Partitioned information transmission-based intelligent high-speed railway video monitoring method and system

The invention discloses a partitioned information transmission-based intelligent high-speed railway video monitoring method and system. The method comprises the following steps: a ground monitoring system acquires and packages road state information; a packaged data packet is encoded and partitioned by using an erasure code to obtain a partitioned data packet; the ground monitoring system sends the partitioned data packet to a wireless broadband relay network; the wireless broadband relay network sends the partitioned data packet to a train monitoring station; and the train monitoring station receives the partitioned data packet sent by the wireless broadband relay network, reconstructs the partitioned data packet, decodes the partitioned data packet by using the erasure code, and displays decoded information on vehicle-mounted display equipment. When the partitioned information transmission-based intelligent high-speed railway video monitoring method and system are adopted, video information ...

Traffic cone placing device

The invention discloses a traffic cone placing device which comprises a supporting assembly, the supporting assembly comprises a supporting frame fixedly connected to a vehicle body, an automatic conveying assembly is arranged on the supporting frame, a plurality of traffic cone stacks are placed on the automatic conveying assembly, each traffic cone stack comprises a plurality of traffic cones stacked together, and a limiting piece is arranged on the automatic conveying assembly. The limiting piece corresponds to the traffic cone; the driving assembly is fixedly connected to the end, close to the vehicle head, of the supporting frame, and the driving assembly is in transmission connection with the automatic conveying assembly; the limiting picking assembly is fixedly connected to the end, close to the tail of the vehicle body, of the supporting frame, and the limiting picking assembly is used for picking the traffic cones from the automatic conveying assembly; and the placing assembly ...

Device and method for rapidly observing multiple groups of root-knot nematodes

The invention relates to the field of agricultural plant protection, in particular to a multi-group root-knot nematode rapid observation device and method.The multi-group root-knot nematode rapid observation device comprises a culture dish body, multiple groups of culture lattices evenly arranged on a culture dish are used for observing and counting multiple groups of nematode treatment samples, the shapes and sizes of the culture lattices are consistent, and variables are controlled; the growth condition of nematode treatment samples is prevented from being influenced by unequal areas of the culture grids, and the experiment preciseness is ensured; during use, only one group of culture grids are aligned to the observation position of a microscope, only the culture dishes need to be rotated when nematode treatment samples in other culture grids are observed, culture dish replacement, light source adjustment, microscope focusing adjustment and the like do not need to be carried out, the ...

Acquisition method of stratum parameters of low pressure coal bed methane basin

The invention relates to an acquisition method of stratum parameters of a low pressure coal bed methane basin. The acquisition method of the stratum parameters of the low pressure coal bed methane basin mainly includes following steps: keeping a well open for 24 hours after a test string descends the well so as to enable bottom hole pressure to tend to new balance; performing a micro fracture experiment before injection; using a high pressure pump with a constant pressure and constant current inlet to perform the injection; using a computer to continuously collect data in high density in data collection; using a high accuracy storage type electronic manometer in an underground monitoring system to monitor underground pressure and temperature. The acquisition method of the stratum parameters of the low pressure coal bed methane basin can accurately and fully acquire the stratum parameters, and is key for knowing a reservoir stratum, and performing reservoir stratum assessment and production ...

VTK-based six-joint industrial robot parametric modeling simulation method

A six-joint industrial robot parameterization modeling simulation method based on VTK comprises the steps that firstly, three-dimensional models of all connecting rod components and tools are drawn, assembling of a robot under a zero configuration is conducted, and a connecting rod transformation relation matrix based on a spinor coordinate system is established; reading and displaying the robot in the integrated development platform through a VTK visual assembly line; according to the work task, the target pose of each connecting rod component is calculated through spinor kinematics; a VTK space position transformation process is adopted to realize translation and rotation of each motion component entity of the virtual robot, so that each connecting rod component reaches a target pose, and finally, pose calculation and the VTK space transformation process are repeated according to path planning to realize motion simulation. According to the method, a modeling general form and a kinematics ...

MULTI-DIRECTIONALLY AND FLEXIBLY BENDING AND LOCKING OPERATION APPARATUS

Provided is a multi-directionally flexible bending and locking operation apparatus. The apparatus has a hollow hard rod body, and two ends of the rod body have a control part (2) and a wrist structure, respectively. The control part (2) has a first ball-socket joint and a 5 driving device, the wrist structure has a second ball-socket joint, the second ball-socket joint is connected to a front-end executing component, and a transmission cable (26) is connected between a first ball head (21) and a second ball socket. The first ball-socketjoint includes the first ball head (21) and a first ball seat (11), and the second ball-socket joint includes a second ball head (36) and the second ball seat (22). Operation of the control part by an 0 operator and an execution action of the wrist structure are performed in synchronization by the first ball-socket joint and the second ball-socket joint which are connected to each other via the transmission cable (26). The driving device may be directly controlled ...

Different-industry joint financial right and interest safety management system

The invention relates to the technical field of financial right safety management, in particular to a different-industry joint financial right safety management system. The system comprises a data acquisition module which is used for obtaining a first graph embedding vector matrix and a second graph embedding vector matrix based on transaction data in a historical time period; the initial key acquisition module is used for acquiring each first feature vector corresponding to the first graph embedding vector matrix and a feature value corresponding to each first feature vector, obtaining a corresponding suitability according to the similarity and the feature value between each first feature vector and other first feature vectors, and further determining an initial key; and the target key acquisition module is used for acquiring each second feature vector corresponding to the second graph embedding vector matrix, and acquiring a target key according to the similarity between each first feature ...

Hadpool resource allocation optimization method and device, terminal and medium

The invention relates to the field of Hadpool resource allocation, and particularly discloses a Hadpool resource allocation optimization method and device, a terminal and a medium, and the method comprises the steps: obtaining an NUMA node mounted on a network card, obtaining all CPU cores of the NUMA node, and recording the CPU cores as dynamic allocation CPU cores; monitoring the occupancy rate of all the remaining dynamically allocated CPU cores on the NUMA node occupied by the network card; if the occupancy rate is lower than a first threshold value, idle dynamic allocation CPU cores in the remaining dynamic allocation CPU cores are added to a dynamic resource pool; the dynamic allocation CPU cores in the dynamic resource pool are allocated to a resource manager and a node manager; and if the occupancy rate is higher than a second threshold value, applying to the dynamic resource pool to return the dynamically allocated CPU core to the NUMA node. Normal operation of the network card ...

Magnetic heading resolver

The invention relates to a magnetic heading resolver, which is an apparatus applied in a magnetic heading system, and mainly uses geomagnetic field to measure direction. The objective of the invention is to solve the problems that signal processing of the magnetic heading system using analog circuit is easy to be influenced by environment with bad stability, big system error, etc. The magnetic heading system resolver provided by the invention uses a high precision AD one-chip microcomputer to sample signals and resolve courses, wherein, the sine function, the cosine function and the arctan function are realized by Cordic algorithm, therefore effectively reducing influences of external environment to circuit in the aspects of temperature and other factors, simultaneously, the course resolving function algorithm used in the invention can reduce system errors of magnetic course, and improve total precision of the magnetic course system.

Secure socket layer protocol extension method supporting domestic cipher algorithm

The invention discloses a secure socket layer protocol extension method supporting a domestic cipher algorithm. The secure socket layer protocol extension method comprises the following steps: adding a cipher suite supporting the domestic cipher algorithm into a secure socket layer extended source code of the secure socket layer protocol; setting corresponding parameters and alias for the cipher suite; establishing an algorithm provider for implementing the domestic cipher algorithm; establishing a corresponding relationship between the alias of the cipher suite and an implementation class of the algorithm provider. According to the secure socket layer protocol extension method provided by the invention, an operating mechanism of the SSL (secure socket layer) protocol is not changed and extra security problems are not caused; after adoption of the cipher suite supporting the domestic cipher algorithm, the domestic cipher algorithm can be used during handshake and interaction of the SSL, ...

Distribution line insulation shielding device

The invention relates to the technical field of power equipment, in particular to a distribution line insulation shielding device, which is characterized in that two sets of mounting racks are clamped and fixedly connected to an electric pole, the bottom of each set of mounting rack is connected with an auxiliary supporting device, and the side wall of each set of mounting rack is movably connected with a lifting device; the lifting device is in transmission connection with a driving device arranged on the mounting frame, the driving device controls the lifting device to be laid flat and erected, and a folding shielding umbrella is vertically connected to the end of the lifting device. The device has the beneficial effects that the device is convenient to disassemble, assemble and carry through modular arrangement, operation does not need to be performed depending on a live working vehicle, and the purpose of insulating and shielding a distribution line can be achieved by quickly installing ...

Interlocking air curtain utilizing Bernoulli effect

The invention provides a chained air curtain utilizing the Bernoulli effect. The chained air curtain comprises a bladeless fan, an air column, a base, a switch sensing device, a controller, an air curtain controller and the like. The small-size linkage air curtain is suitable for being installed on the two sides of a large warehouse door with the space limited on the two sides of the warehouse door, can be in linkage with opening and closing of the large door, can prevent cold air from entering the large warehouse or other rooms in winter, and has the cold-proof and heat preservation effects. The device has the advantages that the occupied space on the two sides of the warehouse door is small, the device can be installed under the condition that the space on the two sides of the warehouse door is limited, the high-speed air outlet air curtain forms air injection at the air outlet, the air outlet amount is increased, large air supply can be achieved through a small power component, an air ...

Blind video watermark method based on wavelet domain and independent main composition analysis

The invention discloses a method for watermarking a blind video. The method is based on the wavelet region and independent principal component analysis, comprising the following steps that: an original video sequence is cut into a plurality of video sequence groups and is transformed to a 3-D DWT region to fetch all the low frequency components of the video sequence group; the corresponding principal independent components are fetched from all the low frequency components of the video sequence group and are embedded by a water mark after the Wiener filtering treatment; the reverse transformation is realized on the principal independent components embedded by the water mark so as to merge one video sequence; the embedded video sequence is divided into a plurality of video sequence groups and is transformed to the 3-D DWT region to fetch all the low frequency components of the video sequence group; the corresponding principal independent components are fetched from all the low frequency components ...

Water treatment method and water continuous treatment device

Disclosed are a method of water disposal and a water continuous processing device belonging to a method of softened water disposal and the field of treating plants, which comprise a raw water disposal system and a regenerative system of ion exchangers, wherein exchanger A and exchanger B are parallel connected, the exchanger A operates separately, the exchanger B is in an armed state, the exchanger A begins with a working point that water quality from a pitch barrel outlet can't reach requirements, the outlet is connected to an inlet of water sluice running of the exchanger B, then the outlet and the inlet are connected in series and two stages operate, when the water quality of the outlet of the exchanger A approaches water quality of the raw water, the exchanger A is dissociated from a working line and enters a regenerator stage, an inlet of water sluice running of the exchanger B is connected to the raw water, then the exchanger B comes in parallel connection and operates separately, ...

Coal-bed gas aging well production capacity increasing method

The invention discloses a coal-bed gas aging well production capacity increasing method. The method includes the steps: (a) preparing liquid nitrogen needing to be pumped into a coal bed according to a fracturing design scale; (b) connecting a coal-bed gas wellhead, a liquid nitrogen pump truck and relevant pipeline valves; (c) testing pressure according to fracturing design requirements, and avoiding piercing of a high-pressure manifold; (d) pumping the nitrogen according to the fracturing design requirements by the liquid nitrogen pump truck and preventing the discharge temperature of the nitrogen from being lower than 15 DEG C; (e) immediately opening a well for gushing after fracturing, and sweeping blocked cracks by compressed energy of the nitrogen. The coal-bed gas aging well can be rapidly modified, a reservoir is almost not polluted, and the infiltration capacity of the reservoir is increased. An excellent technical direction is provided for coal-bed gas aging well modification ...

Active water-nitrogen accompanied injection composite fracturing method for permeability enhancement of coal-bed gas well

The invention relates to the technical field of coal-bed gas exploration and development, and in particular relates to an active water-nitrogen accompanied injection composite fracturing method for permeability enhancement of a coal-bed gas well. The method includes the steps of: when a low-pressure low-permeability coal reservoir is fractured for transformation, firstly injecting the nitrogen by a liquid nitrogen pump truck, then injecting the active water by a hydraulic fracturing truck, and opening flow for flowing back after the fracture is completed. According to the method, the problems that the flow opening and flowback rate is low, even no flowback occurs, pollution to the coal reservoir is large and thereby the permeability is reduced after the low-pressure low-permeability coal reservoir is subjected to active water fracturing modification of the coal-bed gas well are overcome. According to the method, the flow back rate can reach 80%, the pollution to the coal reservoir is small ...

Device for disassembling bearing of motor

The utility model discloses a device for disassembling bearing of motor, the utility model has the advantages of reasonable structure simply, low in production cost, simple to operate, multiple functional, this device stroke can be adjusted, can be according to the height of motor, the length of motor rotor, the diameter, corresponding regulation is made to the size of rotor bearing, finds the optimum location, takes off impaired bearing, has avoided the violence dismouting, drops to the motor damaged condition minimum, this instrument practicality is used the degree height and is concentrated, has consequently also practiced thrift the manpower, is convenient for take care of, has improved work efficiency.

Data processing method and system based on Internet of Things technology

The invention provides a data processing method and system based on the Internet of Things technology, and relates to the technical field of data processing, and the method comprises the steps: collecting network tasks of an Internet of Things platform, carrying out the tracing of a task issuing end and a task issuing window of each network task, and combining the task type of the corresponding network task, allocating a temporary storage position to the network task; according to the temporary storage position, locking to-be-allocated resources in a resource database based on a position-resource mapping framework, and allocating each resource content in the to-be-allocated resources according to an initial resource priority; after allocation is finished, capturing a resource use log of each piece of resource content in the to-be-allocated resource by the task issuing end in real time, determining a resource priority use state of each piece of resource content, and performing resource priority ...

Feeding robot

The invention discloses a feeding robot which comprises a walking base, a feeding mechanism, a feeding mechanism, a feeding mechanism, a feeding mechanism, a feeding mechanism and a conveying mechanism. The top end of the walking base is provided with a groove; the top of the walking base is connected with a bearing part; the inclined assembly comprises an inclined part and lifting supporting parts arranged on the two sides of the inclined part, the inclined part is located in the groove and rotationally connected with the walking base, the two ends of the inclined part make contact with the telescopic ends of the two lifting supporting parts respectively, the fixed ends of the lifting supporting parts are fixedly connected with the walking base, and the lifting supporting parts are matched with the walking base to support the bearing part; and the clamping assembly comprises a conveying piece and a clamping piece, the conveying piece is rotationally connected to the top end of the end ...

Assembly for assembling pipe distribution ruler in pipeline space

The utility model discloses an assembly for assembling a pipe distribution ruler in a pipeline space. Characterized in that it is characterized in that it comprises, the device comprises a telescopicruler, a first-type turning joint and a second-type turning joint, the telescopic ruler comprises a basic sleeve. Wherein multiple stages of measuring sleeves are sequentially sleeved and connected inthe basic sleeve in a sliding mode, scale marks used for marking the extending distance are arranged on the outer walls of the measuring sleeves, the free end of the basic sleeve is a connecting end,the free end of the measuring sleeve on the innermost side is a measuring end, external threads are arranged at the measuring end, and a U-shaped connecting lug is arranged at the connecting end; thematching number of the telescopic rulers and the turning joints is flexible to select, the telescopic rulers and the turning joints are assembled quickly and conveniently, and the device can adapt tomeasurement ...

Method for forming aluminum alloy end wall column member for new-generation high-speed motor train unit

The invention relates to a method for forming an aluminum alloy end wall column member for a new-generation high speed motor train unit, belonging to the technical field of bending and forming. In the invention, a die profiling method is adopted and mainly comprises the following steps of: a, filling a cavity; b, positioning a section bar; c, profiling; and d, post-treating. The method specifically comprises the following steps: firstly, filling a continuous chaplet in the lower cavity of the section bar; then starting a hydraulic machine, raising a line segment of a lower die under the action of an ejector rod, horizontally placing the section bar on the line segment of the lower and dropping an upper die slowly so that the section bar is sandwiched between the upper die and the lower die; and then profiling: bending and deforming the section bar so that the section bar gradually fits on the section surface of the lower die, stopping the hydraulic machine, and maintaining a compaction ...

Method for synthesizing dihydroquinoline derivative

The invention belongs to the technical field of organic synthesis chemistry, and relates to a method for synthesizing a polysubstituted dihydroquinoline derivative by using arylamine and alpha-hydroxyl ketene dithioacetal compound as initial raw materials and using boron trifluoride ether and ferric trichloride as catalysts. The yield of the derivative is between 30 and 90 percent according to different reactions. The synthesized dihydroquinoline compound has rich functional groups for further modification, the synthesizing step is few (only one step), the raw materials and the catalysts are easily obtained, the price is low, the reaction condition is mild, the operation is simple, and the method is easy for process and industrialization.

White LED drive system with soft start module

The invention relates to a white LED drive system based on a charge pump. On the basis of a common white LED drive circuit, the 1X/1.5X self-adapting charge pump is adopted, working modes can be automatically switched according to the change of input voltage, and therefore power conversion efficiency is greatly enhanced; the two working modes 1X/1.5X can be automatically switched within the whole power supply range (2.7V-5.5V), and therefore high switching efficiency is guaranteed; LED brightness can be adjusted flexibly through an external pulse control signal; the stability of output voltage is effectively guaranteed in combination with a PAM negative feedback error amplifier; especially, the soft start function can prevent surge current input to an output end in the chip enable process. The whole drive system has the advantages that drive capability is high, brightness adjustment is convenient, the power supply range is wide, the power conversion efficiency is high, temperature performance ...

Fine-grained access control method and system based on provenance data

The invention discloses a provenance data-based fine-grained access control method and system. The method comprises the following steps of: firstly, acquiring a role u of a current user through an attribute of a user au; obtaining a result of a user authorization stage through the role u; then obtaining a behavior type at through the action instance; obtaining a strategy p through a sigma (at) mapping relation, and obtaining a behavior verification rule RuleAV through the strategy p; finally, a path rule (ObjectRole, DName) is extracted from the path, and the environmental information atti of the current behavior is extracted by using the ha dependency relationship; the object O is obtained through an object role ObjectRole in a path rule, and a dependency path dpath is obtained from a dependency list according to the dependency name by utilizing a tau (DName) mapping relation; starting from an object O, and utilizing a path rule in a dependent path dpath; related nodes are found through ...

Purifier of oxygen index (OI) apparatus effusion pitch flue gas

The utility model discloses a purifier of oxygen index (OI) apparatus effusion pitch flue gas, heat pipe exchanger in inserting a burning section of thick bamboo, heat pipe exchanger's exit linkage electrostatic precipitator, electrostatic precipitator has the exhanst gas outlet. An interior pitch flue gas that will burn is lowered the temperature through heat pipe exchanger, and rethread electrostatic precipitator purifies the flue gas, discharges at last, has obtained in the limited place in this kind of space of laboratory, to use this device can improve the gas cleaning effect with the effect that electrostatic precipitator is better than simple at present, and assurance the experimenter's is healthy.

High-sensitivity stress sensing aggregate suitable for intelligent pavement

The invention discloses a high-sensitivity stress sensing aggregate suitable for an intelligent pavement. The high-sensitivity stress sensing aggregate comprise an outer shell, a spherical stress sensing layer is arranged in the outer shell in a matched mode. A plurality of piezoelectric patches coded according to spatial positions are uniformly distributed and arrayed on the outer surface of thespherical stress sensing layer; an inner protective shell is arranged in the spherical stress sensing layer in a matching manner; a functional packaging body is arranged in the inner protective shell;a central processing unit, a signal transmission module and a power supply module are arranged in the functional packaging body; wherein each piezoelectric patch is electrically connected with the central processing unit, the central processing unit is electrically connected with the signal transmission module, the power supply module is electrically connected with the central processing unit andthe ...

Virtual human eye emotion expression simulation method

The invention discloses a virtual human eye emotion expression simulation method, which comprises the following steps of: firstly, acquiring a three-dimensional human eye mesh model, namely, three-dimensional mesh data; secondly, selecting mesh points at eye areas of the model according to the motion characteristics of eyes as motion control points; and finally, driving the motion of boundary control points by adopting a crank and rocker mechanism model to simulate real eye motion. In the method, the same mathematic model is adopted to realize the repeated motion process of opening and closing the eyes under the condition of continuous time and produce richer eye closing motion reflecting different emotions by regulating parameters such as position relationships among different rods, initial mounting position of a crank and the like. In the method, the mathematic model is simple; and the method is explicit in physical significant, simple to control, easy to implement and high in reality ...

Grinding wheel constant linear speed control system and method

The invention discloses a grinding wheel constant linear speed control system and method. The grinding wheel constant linear speed control system comprises a grinding wheel and a grinding wheel dresser and also comprises a displacement sensor, a controller and a frequency converter; the displacement of the grinding wheel dresser is detected through the displacement sensor; the frequency converter is connected with a rotating motor and the grinding wheel is driven by the rotating motor to rotate; the controller is electrically connected with the displacement sensor and the frequency converter; detection data of the displacement sensor are received and a control signal is sent to the frequency converter through the controller; a main shaft of the grinding wheel is connected with an output shaft of the rotating motor through a belt. The grinding wheel constant linear speed control method specifically comprises the following steps of receiving the displacement of the grinding wheel dresser, ...

Method for detecting content of sulfur and carbon in steel

The invention relates to the technical field of steel material analysis, in particular to a method for detecting the content of sulfur and carbon in steel. The method comprises the following steps: S1, carrying out oil removal and oxide layer removal treatment on the surface of a steel material to be detected to obtain a first pretreated steel material; s2, the surface of the first pretreated steel is coated with silica sol, the first pretreated steel is dried to constant weight in the inert atmosphere, moisture in the silica sol is removed, and second pretreated steel is obtained; and S3, the second pretreated steel is transferred into an infrared sulfur-carbon analyzer for sulfur-carbon analysis. Besides, in the step S2, the coating amount of the silica sol is controlled to be 3-5 g/cm < 2 >, the silica sol is prepared from nano silicon dioxide and deionized water according to the mass ratio of 1: 1-1: 1.5, the nano silicon dioxide is monodisperse nano silicon dioxide, the D50 of the ...

Draw -bar box of easily carrying

The utility model discloses a draw -bar box of easily carrying, carry the handle on, including the pull rod box and carry the handle under and, one side of pull rod box is equipped with the side handle, on carry handle swing joint and go up the hinge, and go up the pull rod box was located to the hinge through the screw fixation openly upper end, under carry hinge under the handle swing joint, and the front lower extreme of pull rod box is located to the hinge through the screw fixation down, the junction of carrying handle and lower hinge down is equipped with the torsional spring, on carry handle and last hinge the junction be equipped with the torsional spring, the utility model discloses simple structure, convenient to use carries the handle under with through carrying the handle on setting up for the box is whole easily have been removed, and the while is owing to last transport handle and carry the weight that the pull rod box can be shared simultaneously to the handle down, the phenomenon ...

System load controlling method based on token values

The present invention discloses a method for controlling system load based on token value. A wireless network controller determines to admit or refuse the wireless resource control connection request operation according to the token value required for the wireless resource control connection request transmitted by the user equipment and the characteristic of wireless resource control connection request for completing the control to system load. When the invention is applied, different token values are distributed in RNC according to different reasons for establishing RRC connection. The connection request is admitted or refused according to a certain control algorithm for obtaining the objective of load control. The solution in the invention does not require the evenly distribution of strategy of AC baked in the SIM card of UE in the network. The system load is not generated with large-scale swinging after adopting a load control strategy.

Coalbed methane well fracturing pure-nitrogen blockage-removing method for low-pressure low-permeability reservoir

The invention relates to a coalbed methane well fracturing blockage-removing technology and pure-nitrogen blockage-removing method for a low-pressure low-permeability reservoir. According to the method, fracturing is performed on a coalbed methane well of the low-pressure low-permeability reservoir; at the earlier stage, a hydraulic fracturing pump truck with a small displacement of 1.5 m3/min to inject 10 m3 of hydrochloric acid fracturing fluid with a concentration of 15% to perform pretreatment on an immediate vicinity of a wellbore; a 1000 k liquid nitrogen pump truck is applied to inject nitrogen, the displacement is 200-400 m3/min, the injection time is not less than 1 h, the total injection amount of the nitrogen is not less than 30000 m3, and close attention is paid to the pressure changes in the injection process; and after the fracturing is finished, a 3-8 mm oil nozzle is installed on a well opening and is connected with a spraying pipeline to perform rapid pressure-controlled ...

Radiation protection and leakage plugging construction method for door opening/window of house

The invention relates to a house door hole/window anti-radiation leakage plug construction method which belongs to the field of building construction methods. First, a liquid tubular capsule (3) is made; a fixed splint (4) is arranged around a door hole; a shielding door leaf (1) is provided with a baffle (2); a space is formed between the fixed splint (4) and the baffle (2); the liquid tubular capsule (3) is fixedly arranged in the space formed between the fixed splint (4) and the baffle (2); the liquid tubular capsule (3) enters into a liquid storage tank (16) through a liquid discharge pipe (10), a liquid discharge valve (9) and a liquid conveying valve (17); the liquid in the liquid storage tank (16) goes through the liquid conveying valve (17), a pipe pump (15), a liquid injection valve (13) and a liquid injection pipe (14), and enters into the liquid tubular capsule (3) to form a liquid inlet and discharge circuit with a deflation valve (11) and a bleeder pipe (12). The method has ...

Intermittent let-off device for weaving machine for weaving intermittent seersucker fabric

The utility model discloses an intermittent let-off device for a weaving machine for weaving intermittent seersucker fabric, which adopts an intermittent toothed belt transmission mode to control a warp soaking weaving shaft to rotate, and in a toothed area, the warp soaking shaft actively transmits and is used for bubbling and wrinkling; and in the toothless area, the bubble warp beam rotates negatively under the action of coiling force, and sends out the same warp yarns synchronously with the ground warp beam without blistering and wrinkling. The mechanism is simple, stable in movement, highin reliability, good in maintenance-free performance, easy to install and debug, good in intuition and low in energy consumption.

Shower head device for washing machine

The utility model discloses a shower head device for a washing machine. The device comprises a shower head assembly and a powder box, the powder box is mounted in an inner cavity of the shower head assembly in a sliding manner; a first water inlet and a second water inlet are formed in the side face, away from the powder box, of the shower head shell. An inner cavity of the shower head shell is divided into a first water outlet cavity, a second water outlet cavity and a third water outlet cavity by baffles, shower head holes are formed in the bottom of the first water outlet cavity, the bottomof the second water outlet cavity and the bottom of the third water outlet cavity, and a water outlet is formed in the side face, located in the second water outlet cavity, of the shower head shell.According to the utility model, water in each water outlet cavity enters from the water inlet; according to the utility model, the problems of water splashing during water column intersection and water mixing ...

Vehicle-mounted intelligent control system based on environmental perception and multi-vehicle cooperation

The invention discloses a vehicle-mounted intelligent control system based on environment perception and multi-vehicle cooperation, which relates to the technical field of automatic driving control and comprises a navigation subsystem, an environment perception subsystem, a cooperative control subsystem and a driving control subsystem. The navigation subsystem is used for generating a vehicle navigation route of the vehicle; the cooperative control subsystem is used for marking driving permissions according to a sequence of arriving at a safe rendezvous range when a rendezvous point appears in the navigation route; when the vehicle marked as the first driving authority leaves the safe rendezvous range or stops driving in the safe rendezvous range, the first driving authority is transferred to the vehicle marked as the second driving authority; and the driving control subsystem is used for controlling the automatic driving of the vehicle according to the navigation route of the vehicle, ...

Switched reluctance motor current hysteresis control method based on inductance Fourier decomposition

The invention discloses a switched reluctance motor current hysteresis control method based on inductance Fourier decomposition. The control method comprises the following steps of firstly carrying out Fourier decomposition on a phase winding inductance waveform of a switched reluctance motor, obtaining a reference torque value which is distributed to each conducting phase through a torque distribution link by a total reference torque value, then obtaining a reference current value through the calculation of an established inductance model, carrying out hysteresis comparison on the reference current value with a real-time feedback current value so as to control the turn-on and turn-off of a switch tube, and then obtaining a smooth electromagnetic torque. According to the switched reluctance motor current hysteresis control method based on inductance Fourier decomposition provided by the invention, compared with traditional switched reluctance motor current hysteresis control, the torque ...

Experimental heating thermos cup of pitch

The utility model discloses an experimental heating thermos cup of pitch, comprising a cup body, be provided with heating device and heat conduction strip on the cup, heating device is connected to the heat conduction strip, one side of cup is provided with the handle, the bottom of cup is provided with a plurality of louvres that can open and shut, the louvre passes through relay control, be provided with the temperature controller on the cup, temperature controller control heating device, temperature controller and relay component controller, the controller sets up on the cup, the controller is connected, can at will adjust the temperature of pitch sample, can quick convenient injecting pitch in the examination mould under the prerequisite that does not reduce mobile pitch temperature, the utility model discloses be provided with the handle, make things convenient for the experimenter operation, can prevent the experimenter scald, the utility model discloses reuse has avoided experimental ...

Device and method for measuring volume variation of liquid

The invention discloses a device and a method for measuring the volume variation of liquid, and aims to solve the problems that an existing liquid measuring device is low in measuring precision and cannot meet the high-precision measuring requirements of spaceflight propellants and ignition agents. The device specifically comprises a piston, a piston rod, a digital display depth gauge, a thermostat, a cylindrical solution cavity and a support frame, the upper end of the solution cavity is positioned outside the thermostat, the rest part of the solution cavity extends into the thermostat, a sealable inlet is formed in the lower end of the solution cavity, and a flange is arranged on the end surface of the upper end; through holes are formed in the centers of the flanges; the piston is mounted in the solution cavity and is matched with the inner wall of the solution cavity; the lower end of the piston rod penetrates through the through hole, extends into the solution cavity and is connected ...

Lock hook switching transmission device of hooklift of garbage truck

The invention provides a lock hook switching transmission device of a hooklift of a garbage truck. The lock hook switching transmission device comprises a handle mechanism, a control link rod mechanism, a left transmission mechanism and a right transmission mechanism, wherein the handle mechanism comprises a rotating shaft, a handle fixed on the rotating shaft and a connection plate; the operation end of the handle and the free end of the connection plate are respectively arranged on both sides of the rotating shaft; the control link rod mechanism comprises a control link rod and a link rod shaft; the left transmission mechanism and the right transmission mechanism are mutually symmetrical; each transmission mechanism comprises a crank and a transmission link rod; a hinge hinged with the hook arm of the hooklift is arranged at the middle part of each crank; one end of each crank is hinged with the link rod shaft, and the other end of each crank is hinged with one end of the corresponding ...

Reconstruction method and system for digital twin crane swing situation

The invention relates to a reconstruction method and system for a digital twin crane in a swinging situation, and the method comprises the steps: collecting an environment visual image through a camera, extracting a reference object in an environment from the image, building a visual space model, extracting an operation target from the image, and calculating the swinging parameter of the crane based on the reference object; and performing digital twin image reconstruction. Therefore, related feedback can be accurately shown in the virtual environment, and the authenticity of digital twinborn experiment teaching is improved.

Bending die for carlines of railway vehicles with back limitation mechanisms

The invention discloses a bending die for carlines of railway vehicles with back limitation mechanisms, belonging to the technical field of bend-forming. The bending die is mainly composed of a bending die body and a back limitation mechanism, and is characterized in that, the back limitation mechanism comprises a support arm horizontal board (6) and a support arm vertical board (7) which are perpendicularly and fixedly connected, wherein the lower end of the support arm vertical board (7) is installed on the side face of the bending die body (1) by a fixing seat (11), the support arm vertical board (7) is rotationally connected with the fixing seat (11), a limitation bolt (8) is installed on the support arm vertical board (7), and a spiral fastening mechanism is installed on the support arm horizontal board (6). According to the bending die, the problems of distorted section and boundary dimension difference and the like in the bend-forming process of the carline member of the railway ...

Stem cell culture perfusion device

The invention provides a stem cell culture perfusion device which comprises a perfusion bottle, a feeder layer cell culture unit, a cell perfusion tank and a waste liquid bottle, wherein the opening of the to-be-cultured cell perfusion bottle is provided with a first filter head and an input tube; the input tube is provided with a first controller capable of displaying pH value and controlling temperature; the tail end of the input tube is immersed in the feeder layer cell culture unit; a first connecting tube, which is connected through the feeder layer cell culture unit of which the substrate is provided with a semi-permeable membrane, is provided with a second controller and a first peristaltic pump; both ends of the cell perfusion tank are respectively connected with a second connecting tube and a third connecting tube; the other end of the second connecting tube is connected with the first peristaltic pump; the other end of the third connecting tube is connected with the a second peristaltic ...

Pipelined ADC circuit with digital correction module

The invention relates to a pipelined ADC circuit with a digital correction module. In the design of a modular circuit, in order to avoid nonlinearity caused by the change of common CMOS switch-on resistance, firstly, with regard to an ADC overall structure, nine-stage pipelined units are used, the same 1.5 bit structures are adopted for all stages, and the circuit is more modular. By using the digital correction technology, the influence by non-ideal factors is lowered. Secondly, optimization design is performed on the modular circuit so as to reduce ADC errors. A single-capacitor sampling hold circuit and a gate-voltage bootstrapped switch are used, and therefore sampling linearity and accuracy are enhanced. Digital correction is achieved by using a full adder circuit so that the number of artificial circuits can be effectively reduced, and application of a digital circuit is increased. Meanwhile, ADC conversion accuracy and efficiency are enhanced, so that the influence on the circuit ...

Preparation method of phytosterin ester rich in oleic acid

The invention provides a preparation method of phytosterin ester rich in oleic acid, which comprises the following steps: firstly, leading seed fat rich in oletic acid and ethanol to perform alcoholysis reaction under the action of catalyst to obtain fatty acid ethyl ester rich in oleic acid; secondly, leading the fatty acid ethyl ester rich in oleic acid and phytosterin to perform the ester exchange reaction under the action of the catalyst, and removing unreacted ethanol and redundant fatty acid ethyl ester so as to obtain crude phytosterin ester rich in oleic acid; thirdly, obtaining primrose yellow to white thick fluid by decoloring the phytosterin ester, i.e. refined phytosterin ester. The oleic acid content of the seed oil is more than 60 percent; and high-content oleic acid reduces the side reaction and improves the yield of the phytosterin ester. The preparation method does not use deleterious organic solvent and produce deleterious materials during the whole preparation, has lower ...

Efficient log auditing system and method based on multi-Merkel Hash tree

The invention discloses an efficient log auditing system and method based on a multi-Merkel Hash tree. The system comprises a block chain network, an interstellar file system IPFS network and a client. Based on the idea of separation of storage and control, the block chain technology and the distributed file system are introduced, and the security of the log system is improved. And a lightweight verification protocol is designed based on the storage mode. For each Merkel Hash tree, a source is regarded as a commitment. The process of verifying the correctness of the root is equal to the process of verifying the commitment. The innovation of the invention lies in providing an efficient checking technology based on the multi-Merkel Hash tree, and the storage overhead is reduced under the condition that the block chain data structure is not changed. And an efficient checking protocol based on the storage mode is designed, so that the time consumption of transaction confirmation is effectively ...

Radiation protection and leakage plugging construction method for door opening/window of house

Traffic microcirculation network optimization method and device in urban updating

The invention discloses a traffic microcirculation network optimization method and device in urban updating, and the method comprises the steps: determining at least one first element based on the structural features of at least one urban traffic road network, and enabling the first element to reflect a first road which is not interrupted in the urban traffic road network; based on at least one first element and a preset condition, obtaining the number of branches connected with each first road through topological depth calculation; establishing a connectivity algorithm analysis model based on the at least one first element and the calculation result; and based on the connectivity algorithm analysis model, optimizing the to-be-optimized urban traffic network to obtain an urban traffic target microcirculation network. The model is analyzed through a connectivity algorithm, the to-be-optimized urban traffic road network is optimized, the connectivity of main roads is promoted by using branch ...

Crane positioning method based on visual radar

According to the crane target positioning and recognizing system and method based on combination of visible light and infrared image data, visible light image features and change features of infrared images in a short time are used for recognizing and positioning a visual target in a combined mode, and compared with a recognition learning model adopting a convolutional neural network, the recognition learning model has the advantages that the recognition efficiency is improved; the time required for learning (training) is greatly reduced, the operation target (object) in the surrounding environment can be recognized in real time in the working environment of the crane, and the object is positioned.

Circuit switched domain based system and method for transmitting GSM-R (Global System for Mobile Communication-Railway) train control data in real time

The invention discloses a circuit switched (CS) domain based system and method for transmitting GSM-R (Global System for Mobile Communication-Railway) train control data in real time. The system comprises a distributed antenna array, a network-side BTS (Base Transceiver System) and a train locomotive terminal; wherein the distributed antenna array is erected along the railway and used for providing signals of the same fixed frequency for the train locomotive terminal so as to ensure that a CS domain data transmission link of the train locomotive terminal is always in a connection state; the network side BTS is connected with distributed antennae in a wired manner and used for controlling the on/off states of the antennae so as to realize a network side switch function; and the train locomotive terminal is connected with the network side BTS through a wireless transmission link. The invention changes the traditional GSM-R handover strategy to ensure that a train always runs in a cell with ...

Data subscription and publishing method and device, and Internet of Things data service platform and system

The invention relates to a data subscription publishing method and device, and an Internet of Things data service platform and system, and belongs to the technical field of communication, and the method comprises the steps: receiving a subscription instruction of a northbound data demander, and formulating a subscription template according to the subscription instruction of the northbound data demander; and receiving southbound reported data, matching a subscription template according to the southbound reported data, converting the southbound reported data into push data according to the successfully matched subscription template, and pushing and publishing the push data to a corresponding northbound data demander. By the adoption of the technical scheme, the subscription templates can be customized for different northbound data demanders according to the subscription instructions of the different northbound data demanders, and after the templates are customized successfully, the received ...

Method and equipment for reducing pollution through nitrogen foam fracturing of coal-bed gas well of low-pressure and low-permeability reservoir

The invention relates to a nitrogen foam fracturing technology of a coal-bed gas well of a low-pressure and low-permeability reservoir. In the fracturing process, the low-pressure and low-permeability reservoir is easier to damage. According to a method, high-quality and high-efficiency nitrogen foam of which the mass is 75 percent is adopted for sand-carrying fracturing, the liquid injection quantity of nitrogen foam fracturing is small, the sand-carrying capacity is high, and the de-filtration capacity is high, so that the damage to the low-pressure and low-permeability reservoir is reduced; after the fracturing is completed, an open-flow oil nozzle of which the size is 3-8mm is quickly mounted and is connected with an open-flow pipeline to perform quick pressure-control open flow, and fracturing liquid is returned and discharged to the greatest extent as quickly as possible. The conventional hydraulic fracturing liquid quantity is large, so that the low-pressure and low-permeability ...

System load controlling method based on token values

The present invention discloses a method for controlling system load based on token value. A wireless network controller determines to admit or refuse the wireless resource control connection request operation according to the token value required for the wireless resource control connection request transmitted by the user equipment and the characteristic of wireless resource control connection request for completing the control to system load. When the invention is applied, different token values are distributed in RNC according to different reasons for establishing RRC connection. The connection request is admitted or refused according to a certain control algorithm for obtaining the objective of load control. The solution in the invention does not require the evenly distribution of strategy of AC baked in the SIM card of UE in the network. The system load is not generated with large-scale swinging after adopting a load control strategy.

Voice door opening control device of roller washing machine

The utility model discloses a voice door opening control device of a roller washing machine. The device comprises a microphone, a voice module, a computer board, an electronic door lock, an ejector rod mechanism and a hinge mechanism, wherein the microphone collects sound signals of people and converts the sound signals into electric signals, the signal output end of the microphone is in electricsignal connection with the signal input end of the computer board, the signal output end of the computer board is in electric signal connection with the signal input end of the electronic door lock, and the ejector rod mechanism and the hinge mechanism are used for assisting the electronic door lock in opening a door cover and controlling the door opening angle. The door lock which is independently controlled by double coils and automatically releases the door hook and pops up is adopted, the ejector rod mechanism for popping up the washing machine door cover is arranged on the door cover of the ...

Abnormal process determination method and device and virus searching and killing method

The embodiment of the invention provides an abnormal process determination method and device and a virus searching and killing method.The method comprises the steps that the running state of resources in a server is monitored, and resource information is obtained; the occupation state of a target resource in the server is determined according to the resource information, and the target resource is any resource in the server; under the condition that the occupation state of the target resource meets a corresponding preset condition, determining a process occupying the target resource at the current moment, and obtaining a target process; and under the condition that the target process is not in the white list in the server, determining that the target process is an abnormal process. Through the method and the device, the problem that the abnormality cannot be determined according to the occupancy condition of each resource on the server when virus software is used for checking and killing ...

Manufacturing method of hot forming mould for high-strength steel stamping member of vehicle

The invention provides a manufacturing method of a hot forming mould for a high-strength steel stamping member of a vehicle, belonging to the technical field of hot stamping shaping. The mould manufacturing method solves the problem that the traditional hot stamping shaping mould cannot produce conformal cooling pipe for a bent mould surface. The manufacturing method of a hot forming mould comprises the following steps of: firstly bending the pipe according to the shape of the mould surface; connecting to form the pipe system; pre-embedding; and then casting under the surface of the mould to ensure that the shape of the cooling pipe is conformal with the mould, wherein the distances between the portions of the cooling pipe and the mould surface are the same, and the cooling effects of components are uniform. The manufacturing method has the following technical schemes: a, shaping the cooling pipe; b, preheating the cooling pipe; c, arranging the cooling pipe; d, combining; e, pouring;f, ...

Active water-nitrogen injection combination fracturing fast flow-back production increase method for coal-bed gas well

The invention relates to the technical field of coal-bed gas exploration and development, in particular to an active water-nitrogen injection combination fracturing fast flow-back production increase method for a coal-bed gas well. The active water-nitrogen injection combination fracturing fast flow-back production increase method for the coal-bed gas well includes steps that using a liquid nitrogen pump truck to fill nitrogen when performing low-pressure low-permeability coal reservoir fracturing improvement, using a hydraulic fracturing truck to fill active water, and immediately opening flow to flow back after ending fracturing. The active water-nitrogen injection combination fracturing fast flow-back production increase method for the coal-bed gas well solves the problems of low even zero flow-back rate of flow opening, large pollution to the coal reservoir and low permeability after the active water fracturing improvement for the low-permeability coal reservoir of the coal-bed gas ...

Cross-layer connected construction scene crowd counting method based on cavity convolution

The invention discloses a cross-layer connection construction scene crowd counting method based on cavity convolution, which comprises the following steps: (1) acquiring a public crowd counting data set, and generating a real density map according to manual annotation; (2) establishing a cross-layer connected construction scene crowd counting network CL-DCNN based on cavity convolution; (3) inputting the crowd image in the data set into a crowd counting network CL-DCNN to output a prediction density map of the image; (4) carrying out integral summation on the output prediction density map to obtain the total crowd number of the image, carrying out loss calculation on the output prediction density map and the real density map, and continuously iterating and updating parameters in the crowd counting network; and (5) inputting a test picture in a construction scene into the trained crowd counting network, generating a crowd density map, and performing integral summation to obtain a crowd counting ...

Handover method for global system for mobile communications for railway (GSM-R) based on train function numbers

The invention discloses a handover method for a global system for mobile communications for railway (GSM-R) based on train function numbers. The method comprises the following steps of: registering train function numbers, preparing a list of cells along the line, sending pilot signals of switched cells, measuring wirelessly, judging, handing over and canceling the train function numbers. The handover method disclosed by the invention utilizes the characteristic that cells covered on the train line are linear cells, so that handover has fixity, and the train function numbers are combined to perform handover, thereby effectively avoiding the problem of ping-pong handover in communication of mobile users on a high-speed train, and improving the effectiveness of handover.

White light LED driving system with under-voltage locking module and over-temperature protection module

The invention relates to a white light LED driving system based on a charge pump. The 1X/1.5X self-adaptation charge pump is adopted on the basis of a common white light LED driving circuit, work modes can be automatically switched according to an input voltage, and the power conversion efficiency is greatly improved. Within the whole power supply scope which ranges form 2.7 V to 5.5 V, the 1X and 1.5X working modes can be automatically switched, and the high conversion efficiency is guaranteed. The white light LED driving system has the soft starting function, so that a surge current input into the output end when a chip is started can be effectively prevented. The white light LED driving system is particularly provided with protection modules which include the under-voltage locking module and the over-temperature protection module, the under-voltage locking module and the over-temperature protection module are used for cutting off other circuits except for a standard circuit and a current ...

Cell culture dish for experiments

The utility model discloses a cell culture dish for experiments belongs to the cell culture technique field, including dish body and ware lid, its characterized in that: still include elastic connecting rod, elastic connecting rod is formed by a connecting rod section, spring section and the 2nd connecting rod section end -to -end connection in proper order, is provided with transparent separation blade in the dish body, and the center department of transparent separation blade is fixed with the connection piece, and a connecting rod section is connected with the connection piece, and the 2nd connecting rod section sliding connection covers at the ware, and the ware is covered and is fixed with the grip block that is used for the 2nd connecting rod section of centre gripping, it has antifog coating film to bond on the inner wall of ware lid, be connected with one -way air duct on the outer wall of ware lid, one -way air duct stretches into in the dish body. The utility model discloses a ...

Single combination music device

The utility model relates to a single combination music device, including the rolling stand, the rolling stand with base angle fixed connection, the rolling stand with frame plate fixed connection, the rolling stand with cylinder sliding connection, the cylinder with spring bump button sliding connection, rolling stand right side top with drum switch sliding connection, the frame plate with wood drum bottom seat fixed connection, the frame plate with accompaniment bell drum bottom seat fixed connection, the frame plate with the octave hand strikes musical instrument base fixed connection, theutility model discloses utilize the mechanical transmission principle, drive the mallet and remove to strike the musical instrument on equipment top, owing to adopted on control drum rotation speed and the cylinder interval of controllable bump to control the cooperation between sound rhythm and the three kinds of musical instruments to realize the single while and used multiple musical instrumentto ...

Shale shaker amplitude sensor

The utility model discloses a shale shaker amplitude sensor, a serial communication port, including vibration sensor and a magnet, vibration sensor inlay in on the magnet fixing plane, magnet still is provided with a combination plane, should combine plane and vibration sensor place plane orthogonal or parallel. The utility model discloses simple structure, simple to operate, be fixed in the shale shaker screen(ing) machine through magnet with vibration sensor on, do not damage the mechanical structure of screen(ing) machine, the installation is quick, simultaneously, the utility model also provides an online erection equipment for the circumstances of not shutting down smoothly, accurately with sensor fixed mounting on the shale shaker screen(ing) machine. The utility model discloses still provide the spirit level, guaranteed sensor horizontal installation and data accuracy.

High-resolution SAR image scene classification method based on multi-prototype learning

The invention discloses a multi-prototype learning-based high-resolution SAR (Synthetic Aperture Radar) image scene classification method, which comprises the following steps of: firstly, introducing a small sample learning method aiming at the problems of few available SAR images and few high-quality labeled SAR images, and achieving good performance under the condition of few data set samples; in addition, the invention further provides a multi-prototype learning method, and due to the fact that a single prototype of each category cannot well represent the category, the multi-prototype of each category is generated through a support set divided by small sample learning to guide classification of a query set. The data set is an SAR image scene classification small sample data set. Experiments show that the high-resolution SAR image scene classification method based on multi-prototype learning provided by the invention improves the accuracy of high-resolution SAR image scene classification ...

Solid-solid phase change material design method, solid-solid phase change material and preparation method thereof

The invention relates to the technical field of novel road functional materials, in particular to a solid-solid phase change material design method, a solid-solid phase change material and a configuration method thereof.The method comprises the steps that climate data and pavement structure types of a target area are obtained, and a pavement temperature field finite element model is constructed; the relation between the climate data and the pavement structure type and the performance parameters of the solid-solid phase change material is established, the performance parameters of the solid-solid phase change material in the target area are obtained, and the formula of the solid-solid phase change material comprises a soft segment material, a hard segment material, a cross-linking agent, a chain extender and a carbon-based material. The pavement temperature field finite element model is constructed according to the climate data of the target area and the pavement structure type, the performance ...

Energy storage power generation system capable of realizing underground storage of carbon dioxide and operation method of energy storage power generation system

The invention discloses an energy storage power generation system capable of realizing underground storage of carbon dioxide and an operation method of the energy storage power generation system. The energy storage power generation system capable of achieving underground carbon dioxide storage comprises an underground storage for storing high-pressure carbon dioxide and a gas storage for storing normal-pressure and normal-temperature carbon dioxide, in the energy storage state, the carbon dioxide is stored in the underground storage, and in the energy release state, the underground storage releases part of the carbon dioxide and stores the carbon dioxide in the gas storage. The underground storage warehouse is used for storing carbon dioxide and also used as a high-pressure storage tank for compressing carbon dioxide to store energy, two purposes are achieved, the construction cost is saved, and after the energy storage system is decommissioned, the underground storage warehouse can continue ...

Nine-stage ten-bit pipelined ADC circuit

The invention discloses a nine-stage ten-bit pipelined ADC circuit. During the designing of a modular circuit, to avoid nonlinearity caused by on-resistance change of an ordinary CMOS switch, firstly, a nine-stage pipelined unit is adopted for the overall structure of an ADC, identical 1.5-bit structures are adopted by all the nine stages, so that modularization of the circuit is improved, and the figure adjustment technique is adopted to reduce the designing requirements of a sub-analog-digital converter (SubADC) and reduce the influence of non-ideal factors; secondly, optimal design is conducted on the modular circuit to reduce the error of the ADC. According to the nine-stage ten-bit pipelined ADC circuit, due to the fact that a single-capacitor sampling hold circuit and a bootstrapped switch are used, sampling linearity and accuracy are improved; due to the fact that an operational amplifier detuning eliminated type switched capacitor MDAC circuit structure is adopted, margin amplification ...

Urban street space vitality improving and transforming method and device and electronic equipment

The invention discloses an urban street space vitality improving and transforming method and device and electronic equipment, and aims to take correlation analysis between street basic analysis units such as building space and external space as a starting point. A street activity improvement and transformation strategy based on quantitative analysis of information such as topological relation, distance scale, topographic information and business state information is discussed, a space correlation model is established, subjective judgment of street space status and transformation design is objectively quantified, and a designer can conveniently analyze and adjust the design direction. Therefore, by implementing the method, the rational analysis is used for replacing the pure subjective aesthetic evaluation, and the feasibility of the street space vitality improvement and transformation result is improved.

Coal-bed gas well nitrogen foam fracturing fluid system

The invention discloses a coal-bed gas well nitrogen foam fracturing fluid system. Nitrogen foam fracturing fluid comprises, in weight percent, 1.0% of potassium chloride, 0.2% of GCW-3K (gelatin powder), 0.1% of SUPER100 (foaming agents), 0.05% of SAS100 (breaking agents) and 98.8% of water, wherein the SUPER100 (foaming agents) and the SAS100 (breaking agents) account for the volume ratio of the prepared glue liquor. The coal-bed gas well nitrogen foam fracturing fluid system has the advantages of gel breaking rapidness, less reservoir pollution, high sand carrying capability, small filter loss, fine backflow effect, wide fracturing fracture and the like, partial pressure of methane can be reduced by nitrogen, gas in a coal-bed gas well can be rapidly desorbed, and gas yield can be improved.

MEMS and Protection Structure Thereof

A protection structure of a pad is provided. The pad is disposed in a dielectric layer on a semiconductor substrate and the pad includes a connection region and a peripheral region which encompasses the connection region. The protection structure includes at least a barrier, an insulation layer and a mask layer. The barrier is disposed in the dielectric layer in the peripheral region. The insulation layer is disposed on the dielectric layer. The mask layer is disposed on the dielectric layer and covers the insulation layer and the mask layer includes an opening to expose the connection region of the pad.

METHOD FOR FABRICATING INTEGRATED CIRCUIT

A method for fabricating integrated circuit is provided. First, a first interconnect structure including a plurality of first dielectric layers and a plurality of first conductive patterns stacked therewith alternately is formed on a MEMS region of a conductive substrate. Next, an interlayer is formed on the first interconnect structure and covering the first conductive patterns. Next, a poly silicon mask layer corresponding to the first conductive patterns is formed on the interlayer and exposing a portion of the media layer. Next, the portion of the interlayer exposed by the poly silicon mask layer and a portion of the first dielectric layer corresponding thereto are removed to form a plurality of openings. Then, a portion of the conductive substrate in the MEMS region is removed. 1. A method for fabricating an integrated circuit , comprising:providing a conductive substrate with a logical circuit region and a MEMS region;forming a first interconnect structure comprising a plurality of first dielectric layers and a plurality of first conductive patterns on the MEMS region of the conductive substrate, the first dielectric layers and the first conductive patterns alternately stacked on the MEMS region of the conductive substrate;forming an interlayer to cover the first conductive patterns on the first interconnect structure;forming a poly-Si mask layer corresponding to the first conductive patterns and exposing a portion of the interlayer on the interlayer;removing the portion of the interlayer exposed by the poly-Si mask layer and corresponding portions of the first dielectric layers through using the poly-Si mask layer as a mask for forming a plurality of openings within the first interconnect structure; and removing a portion of the conductive substrate in the MEMS region.2. The method as claimed in claim 1 , further comprises the step of forming a plurality of shallow trench isolations in the conductive substrate.3. The method as claimed in claim 2 , wherein the ...

Integrated circuit and method for fabricating the same

A method for fabricating integrated circuit is provided. First, a substrate having a micro electromechanical system (MEMS) region is provided. A first interconnect structure and a hard mask layer have been disposed on the MEMS region in sequence. Next, an anisotropic etching process is performed by using the hard mask layer as a photo mask to etch a portion of the first interconnect structure exposed by the hard mask layer. Accordingly, a MEMS structure is formed. A portion of the substrate in MEMS region is exposed by the MEMS structure. Then, an isotropic etching process is performed for removing the portion of the substrate in MEMS region to form a cavity with a center region and a ring-like indentation region. The center region is surrounded by the ring-like indentation region and the MEMS structure suspends above the cavity. An integrated circuit is also provided.

METHOD FOR FABRICATING MEMS DEVICE WITH PROTECTION RINGS

A microelectromechanical system (MEMS) device and a method for fabricating the same are described. The method of the present invention includes the following steps. A substrate is provided, including a circuit region and a MEMS region separated from each other. An interconnection structure is formed on the substrate in the circuit region, and simultaneously a plurality of dielectric layers and a first electrode are formed on the substrate in the MEMS region. The first electrode includes at least two metal layers and a protection ring. The metal layers and the protection ring are formed in the dielectric layers. The protection ring connects two adjacent metal layers, so as to define an enclosed space between the two adjacent metal layers. A second electrode is formed on the first electrode. The dielectric layers outside the enclosed space in the MEMS region are removed to form a cavity between the electrodes. 1. A method for fabricating a MEMS device , comprising:providing a substrate, comprising a circuit region and a MEMS region separated from each other; at least two metal layers, formed in the dielectric layers; and', 'a first protection ring, formed in the dielectric layers and connecting two adjacent metal layers, so as to define an enclosed space between the two adjacent metal layers;, 'forming an interconnection structure on the substrate in the circuit region, and simultaneously forming a plurality of dielectric layers and a first electrode on the substrate in the MEMS region, wherein the first electrode comprisesforming a second electrode on the first electrode; andremoving the dielectric layers outside the enclosed space in the MEMS region.2. The method according to claim 1 , wherein the first protection ring substantially corresponds to a profile of each metal layer.3. The method according to claim 1 , wherein the first protection ring comprises metal.4. The method according to claim 1 , further comprising forming at least one second protection ring in ...

Method for sharing notes of an electronic book and electronic reader thereof, computer readable storage medium

A method for sharing notes of an electronic book (E-book) is illustrated. The method includes steps of: comparing an identification information of a note file with a book information of the electronic book for determining whether the note file corresponds to the electronic book; receiving and transferring the note file to an electronic reader displaying the electronic book when the note file corresponds to the electronic book; stacking and displaying at least one note layer included in the note file above an electronic page of electronic book displayed on a user interface of the electronic reader, wherein the note layer includes an auxiliary annotation associated with content of the electronic page and the note layer is independent of the electronic page. Therefore, reader may read the E-book and review related annotations on the user interface at the same time, and share the note file independently to other readers.

Supporting structure in a flat-plate display and method for making same

A method for providing a supporting structure in a flat-plate display is disclosed. The display has a display panel, a diffuser panel, a reflector panel to reflect light from a backlight unit towards the diffuser panel in order to illuminate the display panel. The supporting structure has a plurality of support pins located in that gap between the diffuser panel and the reflector panel for supporting the diffuser panel. The support pins are either molded with the diffuser panel, fused into the diffuser panel or attached to the diffuser panel using an index matching optical adhesive.

FLEXIBLE SUIT AND FLEXIBLE SYSTEM FOR REHABILITATION TRAINING OF HUMAN LEG

The present disclosure provides a flexible suit and a flexible system for rehabilitation training of a human leg. The flexible suit includes a first hip joint motion assembly, a first knee joint motion assembly and a first ankle joint motion assembly, a first end of the first knee joint motion assembly is connected with the first hip joint motion assembly, a second end of the first knee joint motion assembly is connected with the first ankle joint motion assembly, the first hip joint motion assembly, the first knee joint motion assembly, and the first ankle joint motion assembly each includes a flexible mechanism, and at least one of a group consisting of the first hip joint motion assembly, the first knee joint motion assembly, and the first ankle joint motion assembly is configured to operate under gas drive. 1. A flexible suit for rehabilitation training of a human leg , comprising: a first hip joint motion assembly , a first knee joint motion assembly and a first ankle joint motion assembly ,wherein a first end of the first knee joint motion assembly is connected with the first hip joint motion assembly, a second end of the first knee joint motion assembly is connected with the first ankle joint motion assembly,the first hip joint motion assembly, the first knee joint motion assembly, and the first ankle joint motion assembly each comprises a flexible mechanism, and at least one of a group consisting of the first hip joint motion assembly, the first knee joint motion assembly, and the first ankle joint motion assembly is configured to operate under gas drive.2. The flexible suit according to claim 1 , wherein the first end of the first knee joint motion assembly is hinged with the first hip joint motion assembly claim 1 , and the second end of the first knee joint motion assembly is hinged with the first ankle joint motion assembly.3. The flexible suit according to claim 2 , wherein the first hip joint motion assembly claim 2 , the first knee joint motion ...

RECOMBINANT RSV WITH SILENT MUTATIONS, VACCINES, AND METHODS RELATED THERETO

In certain embodiments, the disclosure relates to the polynucleotide sequences of respiratory syncytial virus (RSV). In certain embodiments, the disclosure relates to isolated or recombinant nucleic acids and polypeptides comprising desirable nucleic acid sequences and mutations disclosed herein. In certain embodiments, isolated or recombinant RSV comprising the nucleic acids and polypeptides disclosed herein (e.g., attenuated recombinant RSV) are also provided, as are immunogenic compositions including such nucleic acids, polypeptides, and RSV genomes that are suitable for use as vaccines. Attenuated or killed RSV containing these nucleic acids and mutation in the form of copied nucleic acids (e.g., cDNAs) are also contemplated. 1. An isolated recombinant nucleic acid encoding NS1 and/or NS2 of a wild-type human RSV or variant wherein the nucleotides are substituted such that a codon to produce Gly is GGT , a codon to produce Asp is GAT , a codon to produce Glu is GAA , a codon to produce His is CAT , a codon to produce Ile is ATA , a codon to produce Lys is AAA , a codon to produce Leu is CTA , a codon to produce Asn is AAT , a codon to produce Gln is CAA , a codon to produce Val is GTA , or a codon to produce Tyr is TAT , or combinations thereof.2. The isolated recombinant nucleic acid of further comprising a combination of at least two claim 1 , three claim 1 , four claim 1 , five claim 1 , six claim 1 , seven claim 1 , eight nine claim 1 , ten claim 1 , or all of the individual codons.3. The isolated recombinant nucleic acid of claim 2 , comprising at least 20 claim 2 , 30 claim 2 , 40 claim 2 , or 50 or more of the codons.4. The isolated recombinant nucleic acid of claim 1 , wherein the nucleotides are substituted such that a codon to produce Ala is GCG claim 1 , a codon to produce Cys is TGT claim 1 , a codon to produce Phe is TTT claim 1 , a codon to produce Pro is CCG claim 1 , a codon to produce Arg is CGT claim 1 , a codon to produce Ser is TCG claim 1 , ...

ELECTRONIC SIGNBOARD AND WALL HANGING DEVICE

Disclosed are an electronic signboard and a wall hanging device. The electronic signboard includes a display device and a wall hanging device. The display device is provided with a first fitting portion, and the wall hanging device is provided with a second fitting portion detachably connected to the first fitting portion. The wall hanging device is further provided a fixing surface via which the wall hanging device is fixed to a mounting base.

Backlight module and display device

A backlight module and a display device are provided. The backlight module includes: a light source unit; a light guide plate, for guiding light to a display panel; an optical component for uniformly irradiating the display panel; and a back plate, at least including a bottom plate, for accommodating the light guide plate, the light source unit, and the optical component. The light guide plate and the optical component are provided with a hole penetrating through the two, a part of the back plate at the hole is bent and inserted into the hole to form a side wall, a side end surface of the optical component close to the hole is inclined regarding an axis of the hole, and an annular light-shielding structure is around a top surface of the hole.

FACE LIVING BODY DETECTION METHOD AND APPARATUS, DEVICE, AND STORAGE MEDIUM

This application provides a face living body detection method performed by a computing device, the method including: obtaining a first face image of a target detection object in a first illumination condition and a second face image of the target detection object in a second illumination condition, determining a difference image according to the two images, decoupling an object reflectivity and an object normal vector corresponding to the target detection object from a feature map extracted from the difference image, and determining whether the target detection object is a living body according to the object reflectivity and the object normal vector. This method decouples texture information and depth information of a face, and performs living body detection by using decoupled information, which increases the defense capability against D attacks, thereby effectively defending against planar attacks and D attacks. 1. A face living body detection method performed by a computing device , the method comprising:obtaining a first face image of a target detection object in a first illumination condition and a second face image of the target detection object in a second illumination condition;determining a difference image according to the first face image and the second face image;extracting a feature map from the difference image, and decoupling an object reflectivity corresponding to the target detection object and an object normal vector corresponding to the target detection object from the feature map, the object reflectivity being used for representing texture information, and the object normal vector being used for representing depth information; anddetermining whether the target detection object is a living body according to the object reflectivity and the object normal vector.2. The method according to claim 1 , wherein the determining a difference image according to the first face image and the second face image comprises:identifying a face central region of the ...

PRINTED CIRCUIT BOARD AND METHOD FOR MANUFACTURING THE SAME

A printed circuit board comprises a base, a circuit layer, a circuit layer, a first insulating layer, and a second insulating layer. The circuit layer is on the base. The first insulating layer has a pattern, the first insulating layer is fixed on the base. The pattern of the first insulating layer matches a pattern of the circuit layer. The second insulating layer is laminated on the circuit layer and the first insulating layer. Openings are defined in the second insulating layer, the circuit layer is exposed from the openings. 1. A printed circuit board comprising:a base;a circuit layer on the base;a first insulating layer formed on the base, the first insulating layer having a pattern, wherein the pattern of the first insulating layer matches a pattern of the circuit layer; anda second insulating layer laminated on the circuit layer and the first insulating layer, a plurality of openings defined in the second insulating layer, wherein the circuit layer is exposed from the plurality of the openings.2. The printed circuit board of claim 1 , wherein a depth of each of the plurality of openings is equal to a thickness of the second insulating layer.3. The printed circuit board of claim 2 , wherein a thickness of the first insulating layer is not greater than a thickness of the circuit layer.4. The printed circuit board of claim 1 , wherein the first insulating layer and the second insulating layer are made of a same material claim 1 , at least two directions of glass fiber cloth are formed between the first insulating layer and the second insulating layer.5. The printed circuit board of claim 1 , wherein the first insulating layer and the second insulating layer are made of two different materials.6. The printed circuit board of claim 5 , wherein the first insulating layer is made of a fiber-reinforced resin.8. The method of claim 7 , further comprising:defining a plurality of openings in the second insulating layer to expose a portion of the circuit layer to form ...

Method for manufacturing rigid-flexible circuit board

A method for manufacturing rigid-flexible circuit board includes the step of providing an adhesive sheet defining at least one first opening, a copper foil, and a flexible board. The flexible board comprises a mounting region and a folding region. A removable sheet is pressed on a pressed surface of the adhesive sheet corresponding to each first opening. The copper foil, the adhesive sheet with the removable sheet, and the flexible board are pressed together in that sequence. The removable sheet corresponds to the folding region, and is embedded in the adhesive sheet. The copper foil contacts with the pressed surface and the removable sheet. An interspace is formed between the removable sheet and the flexible board. An outer conductive layer is formed on the copper foil. A removing region of the outer conductive layer corresponding to the folding region and the removable sheet is removed.

FINGER EXOSKELETON ROBOT

A finger exoskeleton robot includes a support plate, at least one finger mechanism, and a temperature control system. Each of the finger mechanisms includes a plurality of finger sleeves and joint drivers. The sleeves of the finger mechanism are sequentially arranged at a distance and configured to be correspondingly worn on a plurality of knuckles of the user's fingers. Every two finger sleeves adjacent to each other of the finger mechanism are connected by one joint driver. The support plate and one of the finger sleeves closest to the support plate are connected by one joint driver. The joint driver is switched between a flat state and a curved state when the temperature of the joint drivers is higher than or lower than a phase change temperature value. A temperature control system is electrically connected to the respective joint drives and respectively controls the temperature of the joint drivers. 1. A finger exoskeleton robot , comprising:a support plate configured to be worn on a back of a user's hand; ["a plurality of finger sleeves sequentially arranged at a distance and configured to be correspondingly worn on a plurality of knuckles of the user's fingers; and", 'a plurality of joint drivers respectively connected between the two finger sleeves adjacent to each other, and connected between the support plate and one of the finger sleeves closest to the support plate, the joint drivers being configured to be switched between a flat state and a curved state when a temperature of the joint drivers is higher than or lower than a phase change temperature value; and, "at least one finger mechanism, the at least one finger mechanism being configured to be worn on at least one of the user's fingers, the at least one finger mechanism comprising:"}a temperature control system electrically connected to each of the joint drivers and configured to control the temperature of the joint drivers.2. The finger exoskeleton robot according to claim 1 , wherein the joint ...

Double-Layered Backlight Module

A double-layered backlight module includes a supporting plate having a supporting surface and a plurality of through holes formed thereon. A plurality of light sources is disposed on the supporting surface. A first optical modulation film is disposed at one side of the supporting plate where the plurality of light sources is located, and a first interlayer is formed between the first optical modulation film and the supporting surface. The first optical modulation film includes a first reflective surface formed at one side of the first optical modulation film facing the plurality of light sources and a plurality of first light exiting holes penetrating the first optical modulation film. A first diffusing plate is disposed at one side of the first optical modulation film opposite to the supporting plate. A second diffusing plate is disposed at one side of the supporting plate opposite to the supporting surface. 1. A double-layered backlight module comprising:a supporting plate having a supporting surface and a plurality of through holes formed on the supporting surface;a plurality of light sources disposed on the supporting surface; a first reflective surface formed at one side of the first optical modulation film facing the plurality of light sources; and', 'a plurality of first light exiting holes penetrating the first optical modulation film;, 'a first optical modulation film disposed at one side of the supporting plate where the plurality of light sources is located, a first interlayer formed between the first optical modulation film and the supporting surface, wherein the first optical modulation film comprisesa first diffusing plate disposed at one side of the first optical modulation film opposite to the supporting plate; anda second diffusing plate disposed at one side of the supporting plate opposite to the supporting surface,wherein a part of light generated from the plurality of light sources is reflected by the first reflective surface and the supporting ...

HIGHLY POLARIZABLE METAL-FREE PEROVSKITE ELECTRO-OPTIC MATERIALS

The present invention relates to highly polarizable 3D organic perovskites of the general formula ABX, prepared by introducing halogen functional groups in the A-site cation (in which the A and B sites are occupied by organic cations and the X site is a monovalent non-metallic counterion). The (DCl)(NH)(BF)crystal exhibits a strong linear electrooptic (EO) effect with an effective EO coefficient of 20 pmV, which is 10 times higher than that of metal halide perovskites. These 3D organic perovskites are solution processed and compatible with silicon, and illustrate the potential of rationally-designed all-organic perovskites for use in on-chip modulators, electro-optic devices, piezoelectric devices, or silicon photonics devices. 2. The organic perovskite of claim 1 , wherein R is F or Cl.3. The organic perovskite of or claim 1 , wherein X is BF.4. The organic perovskite of claim 1 , which is (DCl)(NH)(BF).5. The organic perovskite of claim 1 , which is (DF)(NH)(BF).6. Use of a 3D organic perovskite as defined in any one of to in an electro-optic device or piezoelectric device.7. Use of a 3D organic perovskite as defined in any one of to in a silicon photonics device.8. A process for preparing 3D (DR)(NH)(BF)perovskite crystals claim 1 , the process comprising the steps of:{'sub': 4', '4', '4, 'providing an aqueous solution of stoichiometric amounts of DR, wherein R is F or Cl, and NHBFin excess HBF;'}heating the solution to 80□ for 1 h; andcooling the solution to room temperature at a rate of 4 K/h to yield the perovskite crystals. The present application claims the benefit of priority to U.S. Provisional Patent Application Ser. No. 63/073,718, entitled “Linear Electro-Optic Modulation in Highly Polarizable Organic Perovskites,” filed Sep. 2, 2020, the contents of which are herein wholly incorporated by reference.This invention pertains generally to the field of optoelectronic devices and in particular, to electro-optic crystalline materials.In silicon photonics, the ...

Display module and method for manufacturing same, and display device

Provided is a display module, including: a shell; a display panel, wherein the display panel is disposed in the shell and is connected to the shell; a first light emitting component, wherein the first light emitting component is connected to the display panel and is configured to emit light of a target wavelength; and a fingerprint recognition sensor, wherein the fingerprint recognition sensor is disposed between the shell and the display panel and is fixedly connected to the shell; an orthographic projection of the fingerprint recognition sensor onto the display panel and an orthographic projection of the first light emitting component onto the display panel do not overlap; and the fingerprint recognition sensor is configured to recognize a fingerprint based on received light of the target wavelength reflected by an obstacle.

FACE LIVENESS DETECTION METHOD AND RELATED APPARATUS

A face liveness detection method is performed by an electronic device. The method includes: obtaining an initial face image of an object and a face image set of the object captured at N different illumination directions; obtaining N difference images according to the initial face image and the N face images in the face image set; generating a normal map and an albedo map according to the N difference images and the N illumination directions; and determining a face liveness detection result according to the N difference images, the normal map, and the albedo map, the face liveness detection result indicating whether the object has a live face or not. In this application, three-dimensional (3D) geometric information and surface material information of a face image are considered, thereby recognizing the authenticity of the face image, and effectively resisting different face liveness attack manners. 1. A face liveness detection method performed by an electronic device , the method comprising:obtaining an initial face image of an object and a face image set of the object, the face image set comprising N face images of the object captured according to N illumination directions, the N illumination directions corresponding to N light source positions, the N light source positions being not on a same straight line, and N being an integer greater than or equal to 3;obtaining N difference images according to the initial face image and the N face images in the face image set;generating a normal map and an albedo map according to the N difference images and the N illumination directions, the normal map being an image formed based on normals corresponding to pixels, and the albedo map being an image formed based on albedos corresponding to the pixels; anddetermining a face liveness detection result according to the N difference images, the normal map, and the albedo map, wherein the face liveness detection result indicates whether the object has a live face or not.2. The method ...

LIVING BODY DETECTION METHOD AND APPARATUS, ELECTRONIC DEVICE, AND STORAGE MEDIUM

A method of living body detection includes generating a detection interface in response to a receipt of a living body detection request for a verification of a detection object. The detection interface includes a first region with a viewing target for the detection object to track, a position of the first region in the detection interface changes during a detection time according to a first sequence of a position change of the first region. The method also includes receiving a video stream that is captured during the detection time, determining a second sequence of a sight line change of the detection object based on the video stream, and determining that the detection object is a living body at least partially based on the second sequence of the sight line change of the detection object matching the first sequence of the position change of the first region. 1. A method of living body detection , comprising:generating, by processing circuitry of an electronic device, a detection interface in response to a receipt of a living body detection request for a verification of a detection object, the detection interface comprising a first region with a viewing target for the detection object to track, a position of the first region in the detection interface changing during a detection time according to a first sequence of a position change of the first region;receiving a video stream that is captured during the detection time;determining a second sequence of a sight line change of the detection object based on the video stream; anddetermining that the detection object is a living body at least partially based on the second sequence of the sight line change of the detection object matching the first sequence of the position change of the first region.2. The method according to claim 1 , wherein the detection interface comprises a second region configured to emit light claim 1 , a position of the second region in the detection interface changes during the detection time ...

RECOMBINANT RSV WITH SILENT MUTATIONS, VACCINES, AND METHODS RELATED THERETO

In certain embodiments, the disclosure relates to the polynucleotide sequences of respiratory syncytial virus (RSV). In certain embodiments, the disclosure relates to isolated or recombinant nucleic acids and polypeptides comprising desirable nucleic acid sequences and mutations disclosed herein. In certain embodiments, isolated or recombinant RSV comprising the nucleic acids and polypeptides disclosed herein (e.g., attenuated recombinant RSV) are also provided, as are immunogenic compositions including such nucleic acids, polypeptides, and RSV genomes that are suitable for use as vaccines. Attenuated or killed RSV containing these nucleic acids and mutation in the form of copied nucleic acids (e.g., cDNAs) are also contemplated. 114-. (canceled)15. An isolated recombinant nucleic acid comprising a NS2 gene of the RSV genome , wherein the NS2 gene has at least 90% sequence identity to SEQ ID NO: 9 or SEQ ID NO: 10.16. The isolated recombinant nucleic acid of claim 15 , wherein the NS2 gene has at least 90% sequence identity to SEQ ID NO: 9.17. The isolated recombinant nucleic acid of claim 15 , wherein the NS2 gene has at least 90% sequence identity to SEQ ID NO: 10.18. The isolated recombinant nucleic acid of claim 15 , wherein the NS2 gene has at least 95% sequence identity to SEQ ID NO: 9.19. The isolated recombinant nucleic acid of claim 15 , wherein the NS2 gene has at least 95% sequence identity to SEQ ID NO: 10.20. The isolated recombinant nucleic acid of claim 15 , wherein the NS2 gene comprises SEQ ID NO: 9.21. The isolated recombinant nucleic acid of claim 15 , wherein the NS2 gene comprises SEQ ID NO: 10.22. A recombinant vector comprising a nucleic acid of .23. An attenuated recombinant RSV comprising the nucleic acid of .24. An expression system comprising the attenuated recombinant RSV of .25. A vaccine comprising the attenuated recombinant RSV of .26. An attenuated recombinant RSV comprising a nucleic acid of and further comprising a NS1 gene having ...

PIXEL STRUCTURE, ARRAY SUBSTRATE AND DISPLAY DEVICE

Provided are a pixel structure, an array substrate and a display device. The pixel structure includes a first group of TFTs, a second group of TFTs and a pixel electrode. First group of TFTs and second group of TFTs each include at least two TFTs. Source electrodes of all TFTs in first group of TFTs are connected to a same data line, drain electrodes of all TFTs in first group of TFTs are connected to sources electrodes of all TFTs in second group of TFTs, drain electrodes of all TFTs in second group of TFTs are connected to pixel electrode, and gate electrodes of all TFTs in first group of TFTs and gate electrodes of all TFTs in second group of TFTs are connected to a same gate line. A problem that whole pixel cannot work normally caused by the breakage of area where the channel is formed is avoided. 1. A pixel structure , comprising a first group of thin film transistors , a second group of thin film transistors and a pixel electrode , the first group of thin film transistors and the second group of thin film transistors each comprising at least two thin film transistors , source electrodes of all the thin film transistors in the first group of thin film transistors being connected to a same data line , drain electrodes of all the thin film transistors in the first group of thin film transistors being connected to sources electrodes of all the thin film transistors in the second group of thin film transistors , drain electrodes of all the thin film transistors in the second group of thin film transistors being connected to the pixel electrode , and gate electrodes of all the thin film transistors in the first group of thin film transistors and gate electrodes of all the thin film transistors in the second group of thin film transistors being connected a same gate line.2. The pixel structure according to claim 1 , wherein the first group of thin film transistors comprises 2-4 thin film transistors claim 1 , and the second group of thin film transistors comprises 2- ...

MEMS STRUCTURE AND METHOD OF FABRICATING THE SAME

A method of fabricating a MEMS structure includes providing a substrate comprising a logic element region and a MEMS region. Next, a logic element is formed within the logic element region. A nitrogen-containing material layer is formed to cover the logic element region and the MEMS region conformally. Then, part of the nitrogen-containing material layer within the MEMS region is removed to form at least one shrinking region. Subsequently, a dielectric layer is formed to cover the logic element region and MEMS region, and the dielectric layer fills in the shrinking region. After that, the dielectric layer is etched to form at least one releasing hole, wherein the shrinking region surrounds the releasing hole. Finally, the substrate is etched to form a chamber. 1. A method of fabricating a MEMS structure comprising:providing a substrate comprising a logic element region and a MEMS region;forming a logic element within the logic element region;forming a nitrogen-containing material layer covering the logic element region and the MEMS region;removing part of the nitrogen-containing material layer within the MEMS region to form at least one shrinking region in the nitrogen-containing material layer;forming a dielectric layer to cover the logic element region and the MEMS region, wherein the dielectric layer fills in the shrinking region;etching the dielectric layer to form at least one releasing hole, wherein the shrinking region surrounds the releasing hole; andetching the substrate to form a chamber, wherein the chamber and the releasing hole form a vibration chamber.2. The method of fabricating a MEMS structure of claim 1 , wherein the nitrogen-containing material layer is silicon nitride claim 1 , and the nitrogen-containing material layer serves as an etching stop layer.3. The method of fabricating a MEMS structure of claim 1 , wherein the logic element is a transistor claim 1 , and the transistor comprises a polysilicon gate electrode.4. The method of fabricating ...

SEMICONDUCTOR STRUCTURE AND METHOD FOR MANUFACTURING THE SAME

A semiconductor structure and a method for manufacturing the same are provided. The semiconductor structure comprises a base substrate and a MEMS structure. The base substrate comprises a CMOS structure. The MEMS structure is formed on the base substrate adjacent to the CMOS structure. The MEMS structure is connected to the CMOS structure. The MEMS structure comprises a membrane and a backplate. The base substrate has a cavity corresponding to the MEMS structure. 1. A semiconductor structure , comprising:a base substrate comprising a CMOS structure; and a membrane made of doped polysilicon; and', 'a backplate;, 'a MEMS structure formed on the base substrate adjacent to the CMOS structure, wherein the MEMS structure is connected to the CMOS structure, and the MEMS structure compriseswherein the base substrate has a cavity corresponding to the MEMS structure.2. The semiconductor structure according to claim 1 , wherein the backplate has a plurality of through holes claim 1 , and the backplate comprises an electrode layer and a support layer supporting the electrode layer.3. The semiconductor structure according to claim 1 , wherein the MEMS structure further comprises:an air gap between the membrane and the backplate.4. The semiconductor structure according to claim 1 , further comprising:vias and a conductive layer formed above the MEMS structure and the CMOS structure, wherein the membrane and the backplate are connected to the CMOS structure by the vias and the conductive layer.5. A method for manufacturing a semiconductor structure claim 1 , comprising:providing a base substrate and a temporary substrate, wherein the base substrate comprises a CMOS structure, and the temporary substrate comprises a carrier layer, a membrane layer, and a backplate for a MEMS structure;bonding the temporary substrate with the base substrate;forming a membrane for the MEMS structure by patterning the membrane layer;connecting the membrane and the backplate to the CMOS structure; ...

Semiconductor device and method of forming the same

A method of forming a semiconductor device is disclosed. Provided is a substrate having at least one MOS device, at least one metal interconnection and at least one MOS device formed on a first surface thereof. A first anisotropic etching process is performed to remove a portion of the substrate from a second surface of the substrate and thereby form a plurality of vias in the substrate, wherein the second surface is opposite to the first surface. A second anisotropic etching process is performed to remove another portion of the substrate from the second surface of the substrate and thereby form a cavity in the substrate, wherein the remaining vias are located below the cavity. An isotropic etching process is performed to the cavity and the remaining vias.

Recombinant RSV with Silent Mutations, Vaccines, and Methods Related Thereto

In certain embodiments, the disclosure relates to the polynucleotide sequences of respiratory syncytial virus (RSV). In certain embodiments, the disclosure relates to isolated or recombinant nucleic acids and polypeptides comprising desirable nucleic acid sequences and mutations disclosed herein. In certain embodiments, isolated or recombinant RSV comprising the nucleic acids and polypeptides disclosed herein (e.g., attenuated recombinant RSV) are also provided, as are immunogenic compositions including such nucleic acids, polypeptides, and RSV genomes that are suitable for use as vaccines. Attenuated or killed RSV containing these nucleic acids and mutation in the form of copied nucleic acids (e.g., cDNAs) are also contemplated. 1. An isolated recombinant nucleic acid comprising a NS1 gene of the RSV genome , wherein the NS1 gene has at least 90% sequence identity to SEQ ID NO: 6.2. A recombinant vector comprising a nucleic acid of .3. A recombinant RSV comprising the nucleic acid of .4. A recombinant RSV comprising a nucleic acid of and further comprising a NS2 gene having at least 90% identity with SEQ ID NO 9.5. The isolated recombinant nucleic acid of claim 1 , wherein the NS1 gene comprises SEQ ID NO 6.6. The recombinant RSV of claim 3 , comprising SEQ ID NO:6 and SEQ ID NO 9.7. A recombinant RSV genome comprising: a NS1 gene comprising SEQ ID NO. 6 claim 3 , a codon deoptimized G gene claim 3 , and wherein the small hydrophobic glycoprotein gene is not present in the RSV genome.8. The recombinant RSV genome of further comprising a NS2 gene comprising SEQ ID NO 9.9. A recombinant RSV genome comprising: a NS1 gene comprising SEQ ID NO. 6 claim 7 , a NS2 gene comprising SEQ ID NO 9 claim 7 , a codon deoptimized G gene claim 7 , and wherein the small hydrophobic glycoprotein gene is not present.10. An expression system comprising an attenuated recombinant RSV of .11. An expression system comprising an attenuated recombinant RSV of .12. A vaccine comprising a ...

TRAINING APPARATUS

A training apparatus is disclosed, comprising: a top structure, a bottom structure, and a traction structure disposed between the top structure and the bottom structure, and wherein the traction structure is configured to be retractable along an axial direction of the top or bottom structure to achieve relative movement between the top structure and the bottom structure. 1. A training apparatus comprising:a top structure,a bottom structure, anda traction structure disposed between the top structure and the bottom structure, andwherein the traction structure is configured to be retractable along an axial direction of the top or bottom structure to achieve relative movement between the top structure and the bottom structure.2. The training apparatus according to claim 1 , wherein the traction structure comprises a plurality of traction sub-structures claim 1 , each of the plurality of traction sub-structures is configured to be independently retractable along the axial direction.3. The training apparatus according to claim 2 , further comprising:a top bracket disposed between the top structure and the traction structure, anda bottom bracket disposed between the bottom structure and the traction structure.4. The training apparatus according to claim 3 , wherein each of the top bracket and the bottom bracket comprise an annular structure claim 3 , and the plurality of traction sub-structures are disposed on the bottom bracket to be connected to the top bracket claim 3 , and the plurality of traction sub-structures are sequentially spaced along the annular structure.5. The training apparatus according to claim 4 , wherein each of the plurality of traction sub-structures comprises an inflatable stacked structure claim 4 , each stack of the stacked structure is stacked along a direction from the bottom structure to the top structure claim 4 , and the stacked structure is configured to be a flat shape in an uninflated state and a stretched shape in an inflated state claim 4 ...

Avalanche photo detector device and manufacturing method thereof

An avalanche photodetector device includes a substrate having a front side and a back side, an avalanche photo detector structure disposed on the front side of the substrate, a plurality of heat sinks disposed on the back side of the substrate, and a plurality of reflecting islands disposed on the back side of the substrate.

MEMS STRUCTURE AND METHOD OF FABRICATING THE SAME

A method of fabricating a MEMS structure includes providing a substrate comprising a logic element region and a MEMS region. Next, a logic element is formed within the logic element region. A nitrogen-containing material layer is formed to cover the logic element region and the MEMS region conformally. Then, part of the nitrogen-containing material layer within the MEMS region is removed to form at least one shrinking region. Subsequently, a dielectric layer is formed to cover the logic element region and MEMS region, and the dielectric layer fills in the shrinking region. After that, the dielectric layer is etched to form at least one releasing hole, wherein the shrinking region surrounds the releasing hole. Finally, the substrate is etched to form a chamber. 1. A method of fabricating a MEMS structure comprising:providing a substrate comprising a logic element region and a MEMS region;forming a logic element within the logic element region;forming a nitrogen-containing material layer covering the logic element region and the MEMS region;removing part of the nitrogen-containing material layer within the MEMS region to form at least one shrinking region in the nitrogen-containing material layer;forming a dielectric layer to cover the logic element region and the MEMS region, wherein the dielectric layer fills in the shrinking region;etching the dielectric layer to form at least one releasing hole, wherein the shrinking region surrounds the releasing hole; andetching the substrate to form a chamber, wherein the chamber and the releasing hole form a vibration chamber.2. The method of fabricating a MEMS structure of claim 1 , wherein the nitrogen-containing material layer is silicon nitride claim 1 , and the nitrogen-containing material layer serves as an etching stop layer.3. The method of fabricating a MEMS structure of claim 1 , wherein the logic element is a transistor claim 1 , and the transistor comprises a polysilicon gate electrode.4. The method of fabricating ...

DISPLAY SUBSTRATE, METHOD FOR FORMING DISPLAY SUBSTRATE AND METHOD FOR DETECTING THE SAME

A display substrate, a method for forming a display substrate and a method for detecting the same are provided. The display substrate includes a base substrate. The base substrate includes a display region and a non-display region at a periphery of the display region, the non-display region includes a wiring region, the wiring region includes a plurality of signal lines on the base substrate. The display substrate further includes an insulation layer covering the plurality of signal lines and at least one conductive pattern on a surface of the insulation layer away from the signal lines, each of the at least one conductive pattern includes at least one conductive line segment, an orthographic projection of each of the signal lines onto the base substrate is within an orthographic projection of a corresponding conductive line segment of the at least one conductive line segment onto the base substrate. 1. A display substrate , comprising a base substrate , wherein the base substrate comprises a display region and a non-display region at a periphery of the display region , the non-display region comprises a wiring region , the wiring region comprises a plurality of signal lines on the base substrate , wherein the display substrate further comprises an insulation layer covering the plurality of signal lines and at least one conductive pattern on a surface of the insulation layer away from the signal lines , each of the at least one conductive pattern comprises at least one conductive line segment , an orthographic projection of each of the signal lines onto the base substrate is within an orthographic projection of a corresponding conductive line segment of the at least one conductive line segment onto the base substrate.2. The display substrate according to claim 1 , wherein positons of the signal lines and positions of the at least one conductive line segment are in one-to-one correspondence.3. The display substrate according to claim 2 , wherein each of the signal ...

DEVICE FOR FINGERPRINT RECOGNITION, MANUFACTURING METHOD THEREFOR, AND ELECTRONIC APPARATUS

A device for fingerprint recognition, a manufacturing method therefor, and an electronic apparatus are provided. The method includes: forming fingerprint recognition units in multiple independent preset regions of a substrate, where the fingerprint recognition units each include a fingerprint recognition component and a light emitting component; partitioning the substrate along boundaries of the preset regions to separate the fingerprint recognition units from each other; and coupling the fingerprint recognition units after partition with corresponding control circuits, to make the fingerprint recognition component and the light emitting component of each fingerprint recognition unit be electrically connected to a corresponding control circuit coupled with the each fingerprint recognition unit. The fingerprint recognition unit and the control circuit coupled with each other serve together as the device for fingerprint recognition. The method is for manufacturing the device for fingerprint recognition. 1. A method for manufacturing a device for fingerprint recognition , comprising:forming fingerprint recognition units respectively in a plurality of independent preset regions of a substrate, wherein the fingerprint recognition units each comprise a fingerprint recognition component and at least one light emitting component;partitioning the substrate along respective boundaries of the preset regions to separate the fingerprint recognition units from each other; andcoupling the fingerprint recognition units after partition respectively with corresponding control circuits, to make the fingerprint recognition component and the light emitting component of each fingerprint recognition unit of the fingerprint recognition units be electrically connected to a corresponding control circuit that is coupled with the each fingerprint recognition unit, wherein the fingerprint recognition unit and the control circuit coupled with each other serve together as the device for ...

Recombinant RSV with silent mutations, vaccines, and methods related thereto

In certain embodiments, the disclosure relates to the polynucleotide sequences of respiratory syncytial virus (RSV). In certain embodiments, the disclosure relates to isolated or recombinant nucleic acids and polypeptides comprising desirable nucleic acid sequences and mutations disclosed herein. In certain embodiments, isolated or recombinant RSV comprising the nucleic acids and polypeptides disclosed herein (e.g., attenuated recombinant RSV) are also provided, as are immunogenic compositions including such nucleic acids, polypeptides, and RSV genomes that are suitable for use as vaccines. Attenuated or killed RSV containing these nucleic acids and mutation in the form of copied nucleic acids (e.g., cDNAs) are also contemplated.

MEMS device with protection rings

A microelectromechanical system (MEMS) device and a method for fabricating the same are described. The MEMS device includes a first electrode and a second electrode. The first electrode is disposed on a substrate, and includes at least two metal layers, a first protection ring and a dielectric layer. The first protection ring connects two adjacent metal layers, so as to define an enclosed space between two adjacent metal layers. The dielectric layer is disposed in the enclosed space and connects two adjacent metal layers. The second electrode is disposed on the first electrode, wherein a cavity is formed between the first electrode and the second electrode.

Structure of back cover

Backlight unit and liquid crystal display

Direct backlight module

A plurality of reflecting structures are provided at the corner portions of a backlight module, so that the dark areas occurring at the corner portions or edges of the backlight module are prevented from forming, thereby uniforming the luminance performed by the display.

Device for fingerprint recognition, manufacturing method therefor, and electronic apparatus

A device for fingerprint recognition, a manufacturing method therefor, and an electronic apparatus are provided. The method includes: forming fingerprint recognition units in multiple independent preset regions of a substrate, where the fingerprint recognition units each include a fingerprint recognition component and a light emitting component; partitioning the substrate along boundaries of the preset regions to separate the fingerprint recognition units from each other; and coupling the fingerprint recognition units after partition with corresponding control circuits, to make the fingerprint recognition component and the light emitting component of each fingerprint recognition unit be electrically connected to a corresponding control circuit coupled with the each fingerprint recognition unit. The fingerprint recognition unit and the control circuit coupled with each other serve together as the device for fingerprint recognition. The method is for manufacturing the device for fingerprint recognition.

Supporting structure and fixing component having a through-hole and opening for pin structure engagement and backlight module using the same

A supporting structure is applied to a backlight module including several optical sheets. The supporting structure includes a fixing component and a supporting component. The fixing component has a through-hole and an opening connected to each other. The supporting component includes a supporting pin, a block, a plate and a protrusion. The supporting pin has a top end for supporting the optical sheets and a bottom end at which the block is disposed. The plate is disposed on the supporting pin. The protrusion is disposed on the plate and faces the bottom end. After the block goes through the through-hole and rotates an angle, the plate and the block respectively press against upper and lower surfaces of the fixing component for clamping the fixing component. The protrusion is engaged in the opening for positioning the supporting component, so that the supporting component is fixed onto the fixing component.

Interleaved boost converter

Recombinant RSV with silent mutations, vaccines, and methods related thereto

In certain embodiments, the disclosure relates to the polynucleotide sequences of respiratory syncytial virus (RSV). In certain embodiments, the disclosure relates to isolated or recombinant nucleic acids and polypeptides comprising desirable nucleic acid sequences 5 and mutations disclosed herein. In certain embodiments, isolated or recombinant RSV comprising the nucleic acids and polypeptides disclosed herein (e.g., attenuated recombinant RSV) are also provided, as are immunogenic compositions including such nucleic acids, polypeptides, and RSV genomes that are suitable for use as vaccines. Attenuated or killed RSV containing these nucleic acids and mutation in the form of copied nucleic acids (e.g., 0 cDNAs) are also contemplated.

Structure of a semiconductor device having a waveguide and method of forming the same

A method of forming the structure of the semiconductor device having a waveguide. Firstly, a SOI substrate including a bulk silicon, an insulating layer, and a silicon layer is provided and a device region and a waveguide region are defined on the SOI substrate. Afterwards, a protection layer and a patterned shielding layer are formed to cover the waveguide region and expose the device region. Subsequently, a recess is formed by etching the protection layer, the silicon layer and the insulating layer and thereby the bulk silicon is exposed. After that, an epitaxial silicon layer is formed in the recess and a semiconductor device is subsequently formed on the epitaxial silicon layer. Also, the present invention conquers the poor electrical performance of the semiconductor device integrated into the SOI substrate.

Integrated circuit having microelectromechanical system device and method of fabricating the same

An integrated circuit (IC) having a microelectromechanical system (MEMS) device buried therein is provided. The integrated circuit includes a substrate, a metal-oxide semiconductor (MOS) device, a metal interconnect, and the MEMS device. The substrate has a logic circuit region and a MEMS region. The MOS device is located on the logic circuit region of the substrate. The metal interconnect, formed by a plurality of levels of wires and a plurality of vias, is located above the substrate to connect the MOS device. The MEMS device is located on the MEMS region, and includes a sandwich membrane located between any two neighboring levels of wires in the metal interconnect and connected to the metal interconnect.

Recombinant RSV with silent mutations, vaccines, and methods related thereto

In certain embodiments, the disclosure relates to the polynucleotide sequences of respiratory syncytial virus (RSV). In certain embodiments, the disclosure relates to isolated or recombinant nucleic acids and polypeptides comprising desirable nucleic acid sequences 5 and mutations disclosed herein. In certain embodiments, isolated or recombinant RSV comprising the nucleic acids and polypeptides disclosed herein (e.g., attenuated recombinant RSV) are also provided, as are immunogenic compositions including such nucleic acids, polypeptides, and RSV genomes that are suitable for use as vaccines. Attenuated or killed RSV containing these nucleic acids and mutation in the form of copied nucleic acids (e.g., 0 cDNAs) are also contemplated.

Noninvasive composite nerve action potential tuning curve calibration and detection system

本实用新型公开了一种无创复合神经动作电位调谐曲线校准及检测系统，包括依次连接的PC机、高精度外置声卡和微型扬声器，以及分别设置于人耳鼓膜后下象限且靠近鼓环处的记录电极、夹设在受试者同侧耳垂的参考电极和贴设在受试者眉心的地电极，微型扬声器内置于海绵耳塞中，三个电极分别与高阻抗输入级连接，高阻抗输入级通过生物电放大器与高精度外置声卡连接；PC机包括声卡驱动系统和测试校准系统；测试校准系统包括系统校准模块，电极位置校准模块，复合神经动作电位阈值曲线检测模块及复合神经动作电位调谐曲线检测模块；该系统实现以无创的方式对复合神经动作电位阈值曲线和复合神经动作电位调谐曲线进行获取，进而对人耳听觉功能完成检测。

Jointing device of penetration-through ratchet wrench and socket tool

Optoelectronic device and method of forming the same

An optoelectronic device including a substrate, a half-boat-shaped material layer, a deep trench isolation structure, and an optical waveguide is provided. The substrate has a first area. The half-boat-shaped material layer is disposed in the substrate within the first area. The refractive index of the half-boat-shaped material layer is lower than that of the substrate. A top surface of the half-boat-shaped material layer is coplanar with the surface of the substrate. The deep trench isolation structure is disposed in the substrate within the first area and located at one side of a bow portion of the half-boat-shaped material layer. The optical waveguide is disposed on the substrate within the first area. The optical waveguide overlaps a portion of the deep trench isolation structure and at least a portion of the half-boat-shaped material layer.

Face liveness detection method and related apparatus

A face liveness detection method is performed by an electronic device. The method includes: obtaining an initial face image of an object and a face image set of the object captured at N different illumination directions; obtaining N difference images according to the initial face image and the N face images in the face image set; generating a normal map and an albedo map according to the N difference images and the N illumination directions; and determining a face liveness detection result according to the N difference images, the normal map, and the albedo map, the face liveness detection result indicating whether the object has a live face or not. In this application, three-dimensional (3D) geometric information and surface material information of a face image are considered, thereby recognizing the authenticity of the face image, and effectively resisting different face liveness attack manners.

Liveness detection method and apparatus, electronic device, and storage medium

A liveness detection method includes: obtaining a reflected audio signal and video data of a object in response to receiving a liveness detection request; performing signal processing and time-frequency analysis on the reflected audio signal to obtain time-frequency information of a processed audio signal, and extracting motion trajectory information of the object from the video data; respectively extract features from the time-frequency information and the motion trajectory information to obtain an audio feature and a motion feature of the object; calculating first global attention information of the object according to the audio feature, and calculating second global attention information of the object according to the motion feature; and fusing the first global attention information with the second global attention information to obtain fused global information, and determining a liveness detection result of the object based on the fused global information.

Checkpoint management in a database system

In an embodiment of the present invention, a checkpoint is received, the checkpoint indicating at least one source position of unprocessed object(s) of a plurality of objects on at least one source shard in a database system. In response to detecting a shard change related to the checkpoint to the at least one source shard, the shard change resulting in that the at least one source shard is updated to at least one destination shard, a mapping view is generated for representing position change of the unprocessed object(s) related to the shard change. An updated checkpoint is determined for indicating the at least one destination position of the unprocessed object(s) of the plurality of objects on at least one destination shard in the database system based on the mapping view. With these embodiments, the checkpoint may be managed in a more effective way.

Electronic signboard and wall hanging device

Disclosed are an electronic signboard and a wall hanging device. The electronic signboard includes a display device and a wall hanging device. The display device is provided with a first fitting portion, and the wall hanging device is provided with a second fitting portion detachably connected to the first fitting portion. The wall hanging device is further provided a fixing surface via which the wall hanging device is fixed to a mounting base.

平面顯示器之支撐結構及其製作方法

本發明提供一種在平面顯示器提供支撐結構的方法。顯示器包含顯示板、擴散板及反射板。反射板用以反射由背光單元發向擴散板的光，以照亮顯示面板。支撐結構包含複數個支撐柱。支撐柱位於擴散板及反射板之間的間隙內，用以支撐擴散板。支撐柱可以與擴散板共同模製成型、可以熔接於擴散板、或者可以藉由折射率配合的光學膠與擴散板接合。

電子書之筆記共享方法及電子閱讀裝置、電腦可讀取媒體

一種電子書之筆記共享方法，包括：根據電子書之書本資訊比對筆記檔案的識別資訊，以判斷筆記檔案是否對應電子書；當筆記檔案對應電子書時，接收筆記檔案到顯示電子書的電子閱讀裝置的使用介面，並且在電子閱讀裝置所顯示的電子書的電子頁面之上，堆疊筆記檔案所包括的至少一筆記資料層並顯示所述筆記資料層於使用介面。其中，筆記資料層包括對於電子頁面之內容的附加註記，且筆記資料層獨立於電子頁面。藉此，使用者可在同一使用介面上同時閱讀電子書及相關筆記，並獨立地將所述筆記檔案加以分享。

Mems structure and method for making the same

A micro electro mechanical system (MEMS) structure is disclosed. The MEMS structure includes a backplate electrode and a 3D diaphragm electrode. The 3D diaphragm electrode has a composite structure so that a dielectric is disposed between two metal layers. The 3D diaphragm electrode is adjacent to the backplate electrode to form a variable capacitor together.

Training device

Fixing structure and backlight module using the same

A fixing structure and a backlight module using the same are provided. The fixing structure is used for fixing a circuit board. The circuit board with several openings has an upper surface and a lower surface. The fixing structure includes a back plate and several hooks. The back plate has a contact surface. These hooks are disposed on the contact surface. The hooks go through the openings so that the contact surface contacts the lower surface. The hooks move toward the walls of the openings and press against the upper surface so as to fix the circuit board onto the back plate.

除曇機能付き且つ明度不足時に自浄可能な街灯

【課題】本願は除曇機能付き且つ明度不足時に自浄可能な街灯を開示した。【解決手段】本願に記載の除曇機能付き且つ明度不足時に自浄可能な街灯は、街灯柱を含み、前記街灯柱は下方へ地面と固定され、前記街灯柱の右部には光センサが固定され、前記街灯柱は上方へ本体と固定され、前記本体には貯水空間が設けられ、前記貯水空間は上方へ上方に開口する集水空間と連通しており、前記貯水空間は下方へ揚水ポンプと固定され、前記貯水空間の右方には環状回動空間が設けられ、前記環状回動空間は下方へ環状連通空間と連通しており、前記環状連通空間は下方へ昇降空間と連通しており、前記本体は下方へ前記昇降空間と前記街灯柱との間に位置する連結ブロックと固定されている。【選択図】図１

Semiconductor photodetector structure and the fabrication method thereof

Direct current circuit breaker and protection system

A direct current circuit breaker (100) and a protection system (1), the direct current circuit breaker (100) comprises a switch module (101) comprising a first switch (K1) and a second switch (K2) connected in series between a first terminal (111) of the direct current circuit breaker (100) and a second terminal (112) of the direct current circuit breaker (100); a current injecting module (102) comprising an inductor (L1), a current injecting switch (S1), and a capacitor (C1) connected in series between the first terminal (111) of the direct current circuit breaker (100) and an intermediate node (113) between the first switch (K1) and the second switch (K2); an energy absorbing module (E1) connected in parallel with the current injecting switch (S1) and the capacitor (C1) or in parallel with the first switch (K1) and configured to limit a voltage across the capacitor (C1) to a predetermined level; and a pre-charge module (103) connected in parallel with the capacitor (C1) and configured to pre-charge the capacitor (C1).

Low ripple boost DC-DC converter

Face liveness detection method and related apparatus

A face liveness detection method, applied to the field of artificial intelligence. The method comprises: determining an initial face image and a set of face images corresponding to N illumination directions; determining N differential images according to the initial face image and the set of face images; generating a normal map and a reflectivity map according to the N differential images and the N illumination directions; and determining the face liveness detection result according to the N differential images, the normal map, and the reflectivity map. Also disclosed are a related apparatus, a device, and a storage medium. Three-dimensional geometric information and surface material information of the face image are taken into consideration simultaneously; therefore, the authenticity of the face image can be identified, and different face liveness attack approaches can be effectively resisted.

背板與應用此背板之平面顯示裝置

一種背板與應用此背板之平面顯示裝置，背板包含一底板、至少一側壁、至少一凸出卡勾與至少一螺絲穿孔。第一側壁與底板共同定義一容置空間。凸出卡勾位於側壁上，用以供一第一框體之一卡合部卡固於凸出卡勾上。螺絲穿孔位於凸出卡勾上，用以供一第二框體透過一螺絲鎖附於螺絲穿孔上。

Highly polarizable 3D organic perovskites and electro-optic materials comprising same

The present invention relates to highly polarizable 3D organic perovskites of the general formula ABX3, prepared by introducing halogen functional groups in the A-site cation (in which the A and B sites are occupied by organic cations and the X site is a monovalent non-metallic counterion). The (DCl)(NH4)(BF4)3 crystal exhibits a strong linear electrooptic (EO) effect with an effective EO coefficient of 20 pmV−1, which is 10 times higher than that of metal halide perovskites. These 3D organic perovskites are solution processed and compatible with silicon, and illustrate the potential of rationally-designed all-organic perovskites for use in on-chip modulators, electro-optic devices, piezoelectric devices, or silicon photonics devices.

群播訊息發送方法、發送系統及電子裝置可讀取儲存媒體

本發明係一種群播訊息發送方法、發送系統及電子裝置可讀取儲存媒體，適用於一第一電子裝置向遠端複數個第二電子裝置發送一群播訊息，第一電子裝置取得每一第二電子裝置之一通訊品質資訊，並依據該些通訊品質資訊選定該些第二電子裝置之其中之一者為一廣播發送端；第一電子裝置發送群播訊息至廣播發送端；廣播發送端發送一廣播訊息至該些第二電子裝置。如此，能確實的發送群播訊息至各第二電子裝置，且不會增加額外的傳輸成本。

遠端發送群播訊息之方法、系統及電子裝置可讀取儲存媒體

本發明係一種遠端發送群播訊息之方法、系統及電子裝置可讀取儲存媒體，用於一第一電子裝置向遠端之至少一個第二電子裝置發送一群播訊息，該方法之步驟包含：設定複數第二電子裝置為至少一群組，設定該群組中之該些第二電子裝置之一為一遠端收發端，該第一電子裝置發送該群播訊息至該遠端收發端，該遠端收發端發送一廣播訊息至該群組中之該些第二電子裝置。如此，能確實的發送群播訊息之內容至各第二電子裝置，且不會增加額外的傳輸成本。

The multicast message sending method, the transmitting system and the electronic apparatus can read the storage medium

Focusing member and optoelectronic device

A focusing member and an optoelectronic device having the same are provided. The focusing member includes multiple levels of conductive plugs and multiple levels of conductive layers that together form an inversed half-boat shape. The optoelectronic device includes a bottom layer, an optical waveguide above the bottom layer, a dielectric layer covering the optical waveguide, and the above focusing member disposed at an edge of the optoelectronic device and located in the dielectric layer above the optical waveguide. A wider end of the inversed half-boat shape of the focusing member faces the outside of the optoelectronic device. The refractive indexes of the bottom layer and the dielectric layer are smaller than that of the optical waveguide.

固体酸化物形燃料電池用燃料極とその製造方法および前記燃料極を含む固体酸化物形燃料電池

【課題】アンモニア燃料を使用した場合でも高い発電性能を発揮できる燃料極およびその製造方法を提供する。 【解決手段】固体酸化物形燃料電池を作動させるための燃料極であって、クロム、バナジウム、スカンジウムおよびイットリウムからなる群より選択される遷移金属と、ニッケルと、イオン導電体とを含むことを特徴とする。前記燃料極は、イオン導電体の粉末と、ニッケル酸化物の粉末とを混合し、焼成して燃料極中間体を作製した後、前記遷移金属を含む溶液を、前記燃料極中間体に含浸することによって、製造できる。 【選択図】図３

Face living body detection method and apparatus, device, and storage medium

This application provides a face living body detection method performed by a computing device, the method including: obtaining a first face image of a target detection object in a first illumination condition and a second face image of the target detection object in a second illumination condition, determining a difference image according to the two images, decoupling an object reflectivity and an object normal vector corresponding to the target detection object from a feature map extracted from the difference image, and determining whether the target detection object is a living body according to the object reflectivity and the object normal vector. This method decouples texture information and depth information of a face, and performs living body detection by using decoupled information, which increases the defense capability against 3D attacks, thereby effectively defending against planar attacks and 3D attacks.

Inositol derivative and use thereof

Involved are an inositol derivative and a use thereof. Specifically, provided is a compound, said compound includes two or many parts, as represented by formula (D), connected via a common central linker L2, where formula (D) is as shown below.

Computerized look-up method of nearest replica picture and apparatus

Fixing structure and backlight module using the same

A fixing structure and a backlight module using the same are provided. The fixing structure is used for fixing a circuit board. The circuit board with several openings has an upper surface and a lower surface. The fixing structure includes a back plate and several hooks. The back plate has a contact surface. These hooks are disposed on the contact surface. The hooks go through the openings so that the contact surface contacts the lower surface. The hooks move toward the walls of the openings and press against the upper surface so as to fix the circuit board onto the back plate.

Fixing structure and backlight module using the same

Backlight module including annular light-shielding structure and display device including the same

A backlight module and a display device are provided. The backlight module includes: a light source unit; a light guide plate, for guiding light to a display panel; an optical component for uniformly irradiating the display panel; and a back plate, at least including a bottom plate, for accommodating the light guide plate, the light source unit, and the optical component. The light guide plate and the optical component are provided with a hole penetrating through the two, a part of the back plate at the hole is bent and inserted into the hole to form a side wall, a side end surface of the optical component close to the hole is inclined regarding an axis of the hole, and an annular light-shielding structure is around a top surface of the hole.

Novel structure of kitchen utensil

Avalanche photo detector device and manufacturing method thereof

An avalanche photodetector device includes a substrate having a front side and a back side, an avalanche photo detector structure disposed on the front side of the substrate, a plurality of heat sinks disposed on the back side of the substrate, and a plurality of reflecting islands disposed on the back side of the substrate.

手動點心裁切裝置

Semiconductor optoelectronic structure and the fabricating method thereof

Backlight module and light source unit thereof

Recombinant rsv with silent mutations, vaccines, and methods related thereto

In certain embodiments, the disclosure relates to the polynucleotide sequences of respiratory syncytial virus (RSV). In certain embodiments, the disclosure relates to isolated or recombinant nucleic acids and polypeptides comprising desirable nucleic acid sequences and mutations disclosed herein. In certain embodiments, isolated or recombinant RSV comprising the nucleic acids and polypeptides disclosed herein (e.g., attenuated recombinant RSV) are also provided, as are immunogenic compositions including such nucleic acids, polypeptides, and RSV genomes that are suitable for use as vaccines. Attenuated or killed RSV containing these nucleic acids and mutation in the form of copied nucleic acids (e.g., cDNAs) are also contemplated.

Highly polarizable 3d organic perovskites and electro-optic materials comprising same

The present invention relates to highly polarizable 3D organic perovskites of the general formula ABX3, prepared by introducing halogen functional groups in the A-site cation (in which the A and B sites are occupied by organic cations and the X site is a monovalent non-metallic counterion). The (DCl)(NH 4 )(BF 4 ) 3 crystal exhibits a strong linear electrooptic (EO) 5 effect with an effective EO coefficient of 20 pmV -1 , which is 10 times higher than that of metal halide perovskites. These 3D organic perovskites are solution processed and compatible with silicon, and illustrate the potential of rationally-designed all-organic perovskites for use in on-chip modulators, electro-optic devices, piezoelectric devices, or silicon photonics devices.0

Highly polarizable 3d organic perovskites and electro-optic materials comprising same

Highly polarizable 3d organic perovskites and electro-optic materials comprising same

The present invention relates to highly polarizable 3D organic perovskites of the general formula ABX3, prepared by introducing halogen functional groups in the A-site cation (in which the A and B sites are occupied by organic cations and the X site is a monovalent non-metallic counterion). The (DCl)(NH 4 )(BF 4 ) 3 crystal exhibits a strong linear electrooptic (EO) 5 effect with an effective EO coefficient of 20 pmV -1 , which is 10 times higher than that of metal halide perovskites. These 3D organic perovskites are solution processed and compatible with silicon, and illustrate the potential of rationally-designed all-organic perovskites for use in on-chip modulators, electro-optic devices, piezoelectric devices, or silicon photonics devices.0

Communication method and apparatus

This application relates to a communication method and apparatus. A first node sends a first message. The first message includes at least one of request information and information about a first transaction, the request information is used to request to modify a second transaction, the first transaction is a modified second transaction, and the second transaction is stored in a first blockchain. The first blockchain includes N blocks, an ith block in the first blockchain includes a first field and a second field, and the second field is used to store a second preset value or a second hash value of a previous block whose block height is the same as a block height of the ith block. Editability of the block is implemented by using the first hash value, to implement editability of the blockchain.

樞接片結構

The frame of liquid crystal display and block structure using the same

Direct current circuit breaker and protection system

A direct current circuit breaker (100) and a protection system (1), the direct current circuit breaker (100) comprises a switch module (101) comprising a first switch (K1) and a second switch (K2) connected in series between a first terminal (111) of the direct current circuit breaker (100) and a second terminal (112) of the direct current circuit breaker (100); a current injecting module (102) comprising an inductor (L1), a current injecting switch (S1), and a capacitor (C1) connected in series between the first terminal (111) of the direct current circuit breaker (100) and an intermediate node (113) between the first switch (K1) and the second switch (K2); an energy absorbing module (E1) connected in parallel with the current injecting switch (S1) and the capacitor (C1) or in parallel with the first switch (K1) and configured to limit a voltage across the capacitor (C1) to a predetermined level; and a pre-charge module (103) connected in parallel with the capacitor (C1) and configured to pre-charge the capacitor (C1).

Direct current circuit breaker and protection system

Embodiments of present disclosure relate to a direct current circuit breaker and a protection system. The direct current circuit breaker comprises a switch module comprising a first switch and a second switch connected in series between a first terminal of the direct current circuit breaker and a second terminal of the direct current circuit breaker; a current injecting module comprising an inductor, a current injecting switch, and a capacitor connected in series between the first terminal of the direct current circuit breaker and an intermediate node between the first switch and the second switch; an energy absorbing module connected in parallel with the current injecting switch and the capacitor or in parallel with the first switch and configured to limit a voltage across the capacitor to a predetermined level; and a pre-charge module connected in parallel with the capacitor and configured to pre-charge the capacitor.

燃料磁化器

【物品用途】;　　本設計之燃料磁化器，係一種燃料磁化處理之裝置，其整體結構於造型上給予使用者新穎之感觀。;【設計說明】;　　本設計之「燃料磁化器」。如附圖所示，身部係呈一長條管狀，且身部兩側外蓋上的開口端係呈圓角修飾之六邊形的造型，且鎖固在兩側外蓋上的固定件係呈Ｌ外型，如附圖左、右視圖所示，固定件係呈圓弧之造形不超過外蓋開口端的邊緣，如附圖左、右視圖所示，固定件的寬度則不超出開口端之寬度，整體而言，呈現出簡潔、圓滑之美感視覺效果，誠為新穎具實用性之設計者。

Method and apparatus for optimizing traffic micro-circulation network in urban renewal

The present invention discloses a method and apparatus for optimizing a traffic micro- circulation network in urban renewal. The method includes: determining at least one first element based on a structural feature of at least one urban traffic road network, reflecting an uninterrupted first road in the urban traffic road network; performing topological depth calculation based on the at least one first element and a preset condition to obtain a quantity of branch roads connected to each first road; in order to build a connectivity algorithm analytical model for optimizing a to-be—optimized urban traffic road network to obtain an urban traffic target micro-circulation network. The connectivity of major roads is improved by using branch roads, thus fully stimulating the internal vitality and attractiveness of the road network.

Stroller framework structure

Inositol derivative and use thereof

Communication method and apparatus

This application relates to a communication method and apparatus. A first node sends a first message. The first message includes at least one of request information and information about a first transaction, the request information is used to request to modify a second transaction, the first transaction is a modified second transaction, and the second transaction is stored in a first blockchain. The first blockchain includes N blocks, an i^th block in the first blockchain includes a first field and a second field, and the second field is used to store a second preset value or a second hash value of a previous block whose block height is the same as a block height of the i^th block. When i=1, the first field is used to store a first preset value, or when i is greater than 1 and less than or equal to N, the first field is used to store a first hash value of a previous block whose block height is different from the block height of the i^th block, where i is an integer ranging from 1 to N. Editability of the block is implemented by using the first hash value, to implement editability of the blockchain.

Fixing structure and backlight module using the same

A fixing structure and a backlight module using the same are provided. The fixing structure is used for fixing a circuit board. The circuit board with several openings has an upper surface and a lower surface. The fixing structure includes a back plate and several hooks. The back plate has a contact surface. These hooks are disposed on the contact surface. The hooks go through the openings so that the contact surface contacts the lower surface. The hooks move toward the walls of the openings and press against the upper surface so as to fix the circuit board onto the back plate.

半導體元件的組裝方法

一種半導體元件的組裝方法，包含：提供至少一片基材，該基材包括多數個相間隔地排列的承載片及多數個相間隔地排列的上蓋片。接著，將該等上蓋片自該基材切離，並在該基材的承載片塗上接著劑，再將晶粒分別放置於該等承載片上與該等承載片黏合，再於結合在該等承載片的晶粒上分別塗上接著劑，並將切下的上蓋片分別放置於該等晶粒上以與該等晶粒相黏合，就完成該半導體元件的組裝。藉由使承載片與上蓋片整合在同一片基材的設計，能減少廢棄物料的產量並能節省原料成本，使本發明具有較佳的經濟效益且更能符合環保需求。

MEMS and a protection structure thereof

A protection structure of a pad is provided. The pad is disposed in a dielectric layer on a semiconductor substrate and the pad includes a connection region and a peripheral region which encompasses the connection region. The protection structure includes at least a barrier, an insulation layer and a mask layer. The barrier is disposed in the dielectric layer in the peripheral region. The insulation layer is disposed on the dielectric layer. The mask layer is disposed on the dielectric layer and covers the insulation layer and the mask layer includes an opening to expose the connection region of the pad.