电梯按键器（非接触式）

包装盒（天惊牌口腔消毒喷雾）

Internet-of-things terminal monitoring control system for edge calculation

The invention relates to the field of data processing, in particular to an internet-of-things terminal monitoring control system for edge computing, which comprises a data acquisition module for acquiring multi-dimensional data of a sensor; the edge calculation module is used for obtaining change duration time characteristics according to the current data and the historical data; obtaining a noise adding degree according to the current data and the change duration time characteristic; obtaining noise-added data according to the noise adding degree and each data value of the current data; obtaining a correction weight according to the data of the target dimension and the related dimension; obtaining an information loss amount according to the correction weight; obtaining an optimal moving average order according to the information loss amount; the data compression management module is used for performing prediction-based compression according to the ARIMA model; and the terminal monitoring ...

Arbitrarily cascaded cyclic start controller

The invention discloses an arbitrarily cascaded cyclic start controller, which comprises three switch channels, a start button, a scram button, a change-over switch, a bias resistor, eight isolation diodes, a time delay module and two NOT gates, the switch channel is used for transmitting, driving or indicating to a next-stage circuit; the start button and the scram button are both normally-open and normally-closed equivalent combination buttons and are used for generating input control signals. The change-over switch is a normally open switch and is used for switching two control modes; the time delay module is used for manually generating a time interval with the action of a next-stage switch channel; the NOT gate is used for negating the input end signal and then outputting the negated signal. Compared with the prior art, the arbitrarily-cascaded cyclic start controller provided by the invention not only can realize arbitrary multi-stage cascading with low cost, but also has the outstanding ...

Self-heating supercritical carbon dioxide guanidine gum fracturing fluid and preparation method thereof

The invention discloses a self-heating supercritical carbon dioxide guanidine gum fracturing fluid, the fracturing fluid is composed of a self-heating system, a supercritical carbon dioxide prepad fluid and a guanidine gum sand-carrying fluid, the invention also discloses a preparation method of the system, the supercritical carbon dioxide prepad fluid is used for pressing out micro-cracks in a tight reservoir, the crack initiation pressure is reduced, and the fracturing fluid has a self-heating function. A high-viscosity guanidine gum sand-carrying fluid is further added to carry a proppant to enlarge the micro-cracks so as to form an oil-gas circulation channel; not only are the difficulties of low viscosity and poor sand carrying effect of supercritical carbon dioxide avoided, but also the problem of high crack initiation pressure of a tight reservoir is avoided; and meanwhile, by means of the interaction among the supercritical carbon dioxide prepad fluid, the in-situ crude oil and ...

Vehicle tail gas detection warning device and method

The invention provides a vehicle tail gas detection early warning device and method. The tail gas collection assembly is used for collecting tail gas and conveying the tail gas to the tail gas detection assembly. The tail gas detection assembly is used for detecting the pollutant content of tail gas and transmitting the pollutant content value to the control assembly. The control assembly is used for comparing the numerical value of the pollutant content with a set threshold value, and if the numerical value of the pollutant content is larger than the preset threshold value, an early warning signal is output; the first communication assembly is used for receiving the early warning signal and sending early warning information to a mobile terminal of a vehicle owner; after the control assembly starts to send the early warning signal for a preset duration, the control assembly compares the detected pollutant content value with the set threshold value again, and if the pollutant content value ...

Port berth allocation method based on two-dimensional boxing problem

The invention belongs to the field of berth allocation, and particularly discloses a port berth allocation method based on a two-dimensional encasement problem, which comprises the following steps: S1, acquiring ship and port berth information, abstracting ships and port berths into two-dimensional rectangles, and constructing a port berth allocation scheme; s2, based on the ship in-port time, establishing an objective function model; s3, setting multiple constraint conditions of the port berth allocation scheme; if any constraint condition does not meet the requirement, re-optimizing the objective function model; and S4, under the condition that all constraint conditions are met, solving the target model to obtain an optimal solution of the port berth allocation scheme. The method has the advantages that reasonable berth distribution can improve the production efficiency of the container wharf and reduce the time of ships on the port, so that the competitiveness of the container wharf ...

Carbon market energy index prediction method and system

According to the carbon market energy index prediction method and system provided by the invention, the regression model of the carbon market influence energy index data sequence and the carbon market energy index is constructed to predict the carbon market energy index, so that the carbon market energy index can be predicted from factors in several aspects; the carbon market energy index can be predicted from a single factor, and a universal carbon market energy index prediction method is realized; according to the invention, the problem of lack of a carbon market energy index prediction method in the prior art is solved.

DISPLAY PANEL AND MANUFACTURING METHOD THEREOF AND DISPLAY DEVICE

A display panel comprises: a first substrate (1) and a second substrate (2) provided opposite to each other, a liquid-crystal layer (3) between the first substrate (1) and the second substrate (2), and at least one pixel electrode (6) and at least one common electrode (7) provided on at least one of the first substrate (1) and the second substrate (2). An orthographic projection of the at least one pixel electrode (6) on a first base substrate (4) of the first substrate (1) and an orthographic projection of the at least one common electrode (7) on the first base substrate (4) are alternately arranged in a first direction along which the first base substrate (4) extends. The ratio of the height of the at least one pixel electrode (6) to the thickness of the liquid-crystal layer (3) ranges between 20% and 50%; and/or the ratio of the height of the at least one common electrode (7) to the thickness of the liquid-crystal layer (3) ranges between 20% and 50%.

ARRAY SUBSTRATE, MANUFACTURING METHOD THEREFOR, AND ELECTRONIC DEVICE

An array substrate, a manufacturing method therefor, and an electronic device. The array substrate comprises: a base substrate, having a first side, a second side opposite the first side, and a via hole penetrating through the body of the base substrate; a switch element, located on the first side of the base substrate; and a pixel electrode, located on the second side of the base substrate and electrically connected to the switch element through the via hole. The array substrate can reduce or eliminate light leakage during dark state display.

ABSOLUTE BINDING FREE ENERGY PERTURBATION METHOD FOR PREDICTING DRUG TARGET BINDING STRENGTH

An absolute binding free energy perturbation method for predicting the drug target binding strength, comprising: on the basis of the fitting of the probability distribution of a constraint probability distribution function to a process of adding constraints, fitting the probability distribution to the remaining windows by using a linear combination of a plurality of Gaussian functions for the probability distribution obtained by counting windows of the remaining thermodynamic cycle steps, regenerating a potential difference according to the fit probability distribution, and finally counting to obtain the absolute binding free energy of a drug target. By fitting the probability distribution corresponding to the dynamics simulation trajectory in the intermediate state of the free energy perturbation, the probability distribution of sampling is more reasonable, and the convergence and accuracy of the energy calculation result are greatly improved.

ELECTRONIC DEVICE AND METHOD FOR SEARCHING MOBILE COMMUNICATIONS NETWORK USING SAME

An electronic device and a method for searching mobile communications network using the same relate to the technical field of communications for solving the technical problem of inefficient searching of mobile communications network by an electronic device in the prior art. The method comprises: obtaining, by the electronic device, an identification code of a subscriber identification card; determining, by the electronic device, at least one network information in a preset network information table according to the identification code, the network information including a network standard and a frequency band corresponding to the network standard; and searching, by the electronic device, a target mobile communications network on the basis of the frequency band in the at least one network information. The embodiment of the present invention is used for the electronic device to search a mobile communications network.

防护棚

Regional real-time electricity price evaluation method and device and computer readable medium

The embodiment of the invention provides a regional real-time electricity price evaluation method and device and a computer readable medium, and relates to the technical field of power dispatching. The method comprises the following steps: constructing a real-time power generation cost function and a real-time power generation capacity function of a generator set based on different power generation types; acquiring historical electrical load data, generating an electricity consumption demand characteristic curve based on the historical electrical load data, and determining a power supply variable quantity at a target moment; according to the real-time power generation cost function, the real-time power generation capacity function and the power supply variable quantity, a target function is constructed by taking the power utilization demand quantity at the target moment as a constraint condition and taking the maximum power generation profit at the target moment as a target; and solving ...

MESSAGE TRANSMISSION METHOD AND DEVICE

Disclosed are a message transmission method and device, used for avoiding recalculating the network topology by means of a spanning tree protocol unit when a microwave link switching takes place, saving the time required for service switching. A message receiving method provided by the present invention includes: a protocol message control centre receiving a bridge protocol data unit (BPDU) message forwarded by a multiplexer (MUX) interface, and updating a microwave link port number carried in the BPDU message to a pre-set virtual port number, wherein the microwave link port number carried in the BPDU message is a main microwave link port number; and the protocol message control centre sending to a spanning tree protocol unit the BPDU message carrying the virtual port number, to enable the spanning tree protocol unit to determine that there is no need to recalculate the network topology according to the unchanged microwave link port number in the BPDU message.

Pressure relief and support combined construction device for preventing rock burst

The invention relates to the technical field of coal mine tunnel support, in particular to a pressure relief and support combined construction device for preventing and treating rock burst, which comprises an inner side pressure-bearing support steel plate, an outer side pressure-bearing support steel plate, a plurality of support steel plates and a plurality of pressure relief support steel plates, and is characterized in that the inner side pressure-bearing support steel plate is formed by riveting and splicing a plurality of support steel plates; a pressure relief rod in a fixed anchor cable mechanism is driven into a mine hole wall, then an inner hollow rod is driven by impact equipment to slide in the pressure relief rod, so that an extrusion sliding plate is pushed to move upwards, and at the moment, steel bars on the surface of the extrusion sliding plate pierce out from steel bar outlets in the surface of a drill bit and extend towards the periphery of a rock stratum; at the moment ...

Power-on assembly

The invention relates to the field of power distribution, in particular to a power-on assembly which comprises an explosion-proof box, a power switch, a shifting fork assembly and a driving part, the explosion-proof box is internally provided with a containing space, the power switch is arranged in the containing space and suitable for being connected with a power source, the shifting fork assembly is arranged in the containing space, one end of the shifting fork assembly is connected with the power switch, and the other end of the shifting fork assembly is connected with the driving part. The shifting fork assembly can swing relative to the explosion-proof box to open or close the power switch, one end of the driving part is connected with the shifting fork assembly, and the other end of the driving part extends out of the explosion-proof box. According to the power-on assembly, the main cable does not need to be powered off, and the production efficiency of equipment is improved.

ORGANIC ELECTROLUMINESCENT DEVICE

Provided is an organic electroluminescent device (1), comprising an anode (20), a cathode (80) and an organic layer, wherein the organic layer is one or more layers, at least comprising a light-emitting layer (50), of a hole injection layer (30), a hole transport layer (40), an electron injection layer (70), an electron transport layer (60) and the light-emitting layer (50); and the light-emitting layer (50) is a host-guest doped system consisting of a host material and a guest material, a light-emitting region of the light-emitting layer (50) is 490-750nm, the host material has a compound having a structure shown in a formula (I), and the organic electroluminescent device emits red light or green light and has the advantages of good electroluminescent efficiency, excellent color purity and long service life.

Computing power resource scheduling method and system, scheduling center and data center

The invention provides a computing power resource scheduling method and system, a scheduling center and a data center, and the method comprises the steps: setting the scheduling center to be in communication connection with a plurality of data centers, and enabling the scheduling center to receive at least one computing power task from a system account; analyzing the computing power task to obtain a computing power resource condition index corresponding to the computing power task; based on the computing power resource condition index of the computing power task, a preset weight information analysis algorithm is utilized to match a target data center conforming to the computing power resource; distributing the computing power task to the target data center and issuing a task operation instruction; and the target data center receives the computing power task and the task operation instruction from the scheduling center to process the computing power task. According to the method, the data ...

Drillable casing cement float collar float shoe

The invention relates to the technical field of well cementation, and provides a drillable casing cement float collar float shoe which comprises a shell and first internal threads arranged on the inner wall of the shell and used for being connected with external equipment in a matched mode, a connecting opening is formed in the inner wall of the shell, second internal threads are arranged on the inner wall of the connecting opening, an upper shell is arranged on the inner wall of the connecting opening, and a lower shell is arranged on the inner wall of the upper shell. The inner wall of the shell is in threaded connection with a base pipe, and the outer surface of the base pipe is provided with second external threads used for being connected with external equipment in a matched mode. The float collar is reasonable in structure, when the float shoe needs to be used, the shell is in threaded connection with external equipment through the first internal thread, at the moment, the upper shell ...

Humidifier and water replenishing control method for humidifier

The embodiment of the invention discloses a humidifier and a water replenishing control method for the humidifier. According to one specific embodiment, the humidifier comprises a shell, a fan arranged in the shell, a sectional type humidifying net assembly and a water supplementing assembly, the sectional type humidifying net assembly and the water supplementing assembly are arranged at the bottom of the fan, and the sectional type humidifying net assembly comprises a first humidifying net assembly and a second humidifying net assembly which are longitudinally arranged; the water supplementing end of the water supplementing assembly faces the first humidifying net assembly, and after water flow infiltrates the first humidifying net assembly from the water supplementing end, the water flow overflows to the second humidifying net assembly. In the implementation mode, after the first humidifying net assembly is soaked, water can be sprayed to the second humidifying net assembly from top to ...

Method for obtaining blade vibration characteristic parameters

The invention aims to provide a method for acquiring vibration characteristic parameters of blades. The method comprises the following steps: acquiring a key phase pulse signal of the rotating speed of an engine and a dynamic stress signal of rotor blades of the engine; calculating the real-time rotating speed and the instantaneous frequency of the engine; performing interpolation filtering on the pulse time of two adjacent key phase pulse signals to obtain a time sequence of equal-angle resampling of the real-time rotating speed; an equal-angle resampling signal of the dynamic stress signal of the engine rotor blade is obtained through an interpolation resampling algorithm; performing fast Fourier transform on the equal-angle resampling signal of the dynamic stress signal of the engine rotor blade to obtain a dynamic stress three-dimensional order spectrum of the engine rotor blade; obtaining the resonance moment of the blade according to the dynamic stress three-dimensional order spectrum ...

Balance formula water pump

... 本实用新型涉及一种摆盘式水泵，由电动机和摆盘式泵体两部分组成，所述摆盘式泵体由上缸体1、下缸体2、前缸体3、后缸体4、上隔板5、下隔板6、摆盘7、摆盘密封环8、定位销9、Z形轴前段10、Z形轴中段11、Z形轴后段12、前端盖13、后端盖14组成，所述Z形轴中段11穿过摆盘7;所述Z形轴前段10、Z形轴中段11、Z形轴后段12共同组成Z形轴，Z形轴前段10穿过前端盖13,Z形轴后段12穿过后端盖14。通过摆盘的反复摆动，使进入工作腔的水源源不断的输出，实现了传统水泵的工作循环,摆盘两侧都可以实现容积压缩，实现水泵的功能，提高水泵工作效率的同时还具有结构紧凑，空间利用率高，噪音小等优点。 ...

Regional power grid data overall management system based on big data

The invention discloses a regional power grid data overall management system based on big data in the technical field of power grid management, and the system comprises a data collection unit which is used for collecting data generated by a power transmission and transformation side, data generated by a power generation side and data generated by a power utilization side in big data; the data processing unit is used for processing the data collected from the big database and then carrying out normalization processing; the model processing unit is used for pre-establishing a plurality of data models constructed by utilizing a data mining algorithm, classifying the normalized data and training in the data models; and the overall management unit carries out overall management on the power transmission and transformation side, the power generation side and the power utilization side of the power grid according to the training result of the model processing module, the database is comprehensive ...

DISPLAY SUBSTRATE AND PREPARATION METHOD THEREFOR, DISPLAY PANEL, AND DISPLAY DEVICE

A display substrate and preparation method therefor, a display panel, and a display device. The display substrate comprises: a substrate base (100), at least one first signal line (201) and a first insulating layer (310) provided on the substrate base (100), wherein the surface of the first insulating layer (310) distant from the substrate base (100) and the surface of the first signal line (201) distant from the substrate base (100) are parallel to the substrate base (100) and basically located in the same continuous plane. The first insulating layer (310) provided in parallel to the first signal line (201) can improve the flatness of the surface of a display substrate, thereby avoiding the problems such as poor display caused by too large step between the structures provided subsequently on the display substrate.

Method and system for evaluating single event upset of memory in integrated circuit chip

The invention discloses an integrated circuit on-chip memory single event upset evaluation method and system, and the method comprises the steps: carrying out the data writing of each address of an integrated circuit internal memory according to a specified sequence under the condition of carrying out the high-energy ion irradiation of an integrated circuit, and then reading the data of the address, comparing write data for each address with read data from that address; if the value of the read-out data is inconsistent with the value of the write-in data, an identification signal is output; and collecting and counting the identification signals and displaying the identification signals. According to the invention, all address spaces of the internal memory of the integrated circuit can be tested, and the single event upset test requirement is met.

Cell state characteristic score obtaining method and device and electronic equipment

The invention discloses a cell state characteristic score obtaining method and device and electronic equipment, and belongs to the technical field of biological information. The acquisition method comprises the following steps: determining a first cell state characterization gene, and calculating a cell state characteristic score before optimization according to the first cell state characterization gene; dividing the cells into a positive cell state class group and a negative cell state class group based on the cell state characteristic score before optimization; based on differential expression genes between the positive cell state group and the negative cell state group, screening to obtain positive cell state characteristic genes; and fusing the first cell state characterization gene and the forward cell state characteristic gene to obtain a second cell state characterization gene, and calculating an optimized cell state characteristic score according to the second cell state characterization ...

Nano-cellulose reinforced micro-foam system and preparation method and application thereof

The invention discloses a nano-cellulose reinforced micro-foam system for a low-permeability oil reservoir. The nano-cellulose reinforced micro-foam system comprises an anionic-nonionic surfactant, nano-cellulose and water, under the conditions that the temperature is 35 DEG C, the mineralization degree is 3502.961 mg/L, and the total mass concentration used by a foam system is 0.4%, the half-life period of foam reaches 8 h, and the comprehensive index of the foam is 180000 min.mL; the invention further discloses a preparation method and application of the system, the adopted foam system increases the strength of a foam liquid film, and meanwhile, the system is more easily injected into a low-permeability reservoir; therefore, the microfoam oil displacement system stabilized by the nanocellulose can further improve the crude oil recovery rate of the low-permeability reservoir.

Resource management method and device, electronic equipment and medium

The invention provides a resource management method and device, electronic equipment and a medium, and relates to the technical field of computers, in particular to the technical field of equipment management and application management. According to the specific implementation scheme, whether node capacity expansion or node capacity reduction needs to be conducted on a node set or not is determined; if it is determined that node capacity expansion needs to be conducted on the node set, nodes are selected from the node inventory according to the price from low to high, the selected nodes serve as idle dynamic nodes, and the idle dynamic nodes are added into the node set till the number of the idle dynamic nodes in the node set is the preset number, the business application does not run in the nodes in the node inventory and the idle dynamic nodes. If it is determined that node capacity reduction needs to be conducted on the node set, the nodes are deleted from the idle dynamic nodes of the ...

High-heat-dissipation precision hole machining PCD cutter and using method thereof

The invention discloses a high-heat-dissipation precision hole machining PCD cutter and a using method thereof. The high-heat-dissipation precision hole machining PCD cutter comprises a drill bit base body, and a positioning cutter is arranged in the center of the lower surface of the drill bit base body; air inlets for extracting external air when the drill bit base body rotates are formed in the peripheral side, close to the upper surface of the drill bit base body, of the surface of the drill bit base body in a circumferential array mode; a circulating bin is arranged on the side, close to the air inlet, of the interior of the drill bit base body, and a discharging pipe capable of discharging air outwards is arranged at the upper half position of the interior of the circulating bin. According to the drill bit, the extension blades are matched with the air inlets, when the drill bit base body rotates at a high speed, outside air can be extracted into the circulation bin, heat is dissipated ...

Application of FAM111B in diagnosis or prognosis of glioma and related computer readable medium

The invention discloses application of a reagent for detecting the expression level of FAM111B in preparation of a kit for diagnosis and/or prognosis of glioma of an object. The invention also discloses a kit, a method and a computer readable medium for diagnosis and/or prognosis of glioma. The invention provides diagnosis and/or prognosis of glioma efficiently and accurately by detecting FAM111B.

Method and system for comprehensively evaluating flood prevention capacity of transformer substation based on information gain fusion

The invention discloses a transformer substation flood prevention capability comprehensive assessment method and system based on information gain fusion, and belongs to the technical field of power risk assessment. The method comprises the following steps: firstly, from the perspective of a disaster theory, establishing a substation static flood prevention capability evaluation index system covering multi-modal factors such as a disaster-pregnant environment and a disaster-bearing body, weighting each evaluation index by using an analytic hierarchy process in combination with priori knowledge in the field of experts, and establishing a substation static flood prevention grade evaluation sub-model through a fuzzy comprehensive evaluation method; taking the disaster-inducing factors into consideration to construct a dynamic anti-risk assessment index system of the transformer substation, and obtaining a dynamic flood prevention capability assessment sub-model of the transformer substation ...

ORGANIC ELECTRONIC TRANSPORT DEVICE WITH HIGH TG

An organic electron transport device with high glass transition temperature (Tg), comprising: an anode, a cathode, and an organic layer. The anode and cathode are constructed using a metal, an inorganic material, or an organic compound. The organic layer is a compound represented by formula (I), wherein a 9,9'-spirobifluorene is linked to the 1-, 2-, 3-, or 4-position. Ar1 and Ar2 are respectively a C6-C25 aryl group, wherein the C6-C25 aryl group is either unsubstituted or substituted with a C1-C6 group. A material experiment showed that the compound represented by formula (I) has a high Tg, thereby demonstrating that the compound represented by formula (I) is an organic material with high morphological stability. A device experiment showed that a pure electron organic semiconductor diode and organo-electroluminescent device, manufactured using an organic electronic transport material, have excellent performance, are stable, and have long service lives.

PURELY ELECTRONIC ORGANIC SEMICONDUCTOR DIODE COMPONENT

A purely electronic organic semiconductor diode component, comprising an anode (20), a cathode (60), and an organic layer. The anode (20) and the cathode (60) are either metals, inorganic matters, and organic compounds. The organic layer is one or more of a hole-blocking layer (30), an electron transport layer (40), and an electron injection layer (50). The organic layer consists of an electron transport material. The electron transport material is provided with a compound of the structure of formula (I), where R represents a C1-C8 alkyl or a C2-C8 substituted or unsubstituted enalkyl or a C2-C8 substituted or unsubstituted alkynyl, and AR₁ and Ar₂ independently represent C6-C60 substituted or unsubstituted aryls. Empirical experiments show that the purely electronic organic semiconductor diode component and an organic electroluminescent component manufactured using the novel organic electron transport material emit a blue light, have high electron transfer rates, have great electron transport ...

ORGANIC ELECTROLUMINESCENT COMPONENT

An organic electroluminescent component comprising a cathode (20), an anode (90), and one or more organic layers, where at least one among the organic layers comprises a material as represented by formula (I). Because compounds as represent by formula (I) have highly stable electron acceptor groups and electron donor groups, stable chemical bonds are provided among the compounds, and no strong conjugate is present. These characteristics make the compounds as represented by formula (I) to have increased fluorescent quantum efficiency and great electric charge transfer capabilities, and to have a light emission spectrum close to the international standard dark blue, thus facilitating the implementation of a full-color display of high color purity.

Automatic sampling system of cement raw

... 一种水泥生料自动取样系统，属于粉末自动取样器技术领域。其特征在于：包括生料均化库（1）、生料下料机构、取样器（5）和入窑管线，生料均化库（1）一端连接生料下料机构，生料下料机构出料端一侧设有取样器（5），在生料下料机构与取样器（5）之间设有回灰下料装置，生料下料机构出料口通过入窑管线连通煅烧窑。本实用新型在生料下料机构上增设回灰下料装置，使得生料在进入取样器之前先与回灰混合，而后再通过取样器按时按量进行自动取样，确保了化验室所采集的化验样品具有足够的代表性，以供化验室及时分析调整生料配比，并稳定入窑生料的品质，为煅烧出高品质熟料提供保障。 ...

Disease code conversion method and system

The invention discloses a disease code conversion method which comprises the following steps: S1, carrying out standard code quality control, namely carrying out disease diagnosis code standard quality control; performing pathological diagnosis coding standard quality control; carrying out reasonable quality control on disease diagnosis and pathological diagnosis; s2, performing matching processing of code conversion data based on the standard code after the standard code quality control; s3, setting a code conversion process and rule based on the matching processing, the disease diagnosis conversion relation table, the pathological diagnosis conversion relation table and the ICCC-3 code dictionary table; and S4, storing the conversion matching dictionary data, the original data, the process data and the result data in the disease code conversion process. The invention further discloses a corresponding system, electronic equipment and a computer readable storage medium, and comprehensive ...

Automatic cleaning equipment and automatic cleaning system

The invention discloses automatic cleaning equipment (100) and an automatic cleaning system. The automatic cleaning device (100) comprises: a device body (110), which comprises a main machine (110a), a walking device (110b) installed on the main machine (110a), and a cleaning device (110c) installed on the main machine (110a) and used for cleaning a cleaned area (A); the door opening and closing device (120) comprises a driving unit (121) mounted on the equipment body (110) and an execution piece (122) connected with the driving unit (121); wherein the executing part (122) is driven by the driving unit (121) and/or the equipment body (110) to move so as to act on a door body (200) arranged in the cleaned area (A), and the door body (200) is driven to be opened or closed.

Automatic driving vehicle path tracking method based on adaptive model predictive control

The invention provides an automatic driving vehicle path tracking method based on adaptive model prediction control. The method comprises the following steps: establishing an automatic driving vehicle model and a prediction model; selecting a proper prediction time domain and a control time domain according to an automatic driving vehicle model, and designing a parameter selector based on the vehicle speed online adjustment control time domain; and constructing a target function based on the prediction model, taking the lateral error and the course error of the vehicle as the input of a fuzzy controller, taking the weight coefficient in the target function as the output of the fuzzy controller, adjusting the weight coefficient of the target function in real time, solving the optimal control quantity by the target function, and transmitting the optimal control quantity to the controlled vehicle for execution. The self-driving vehicle path tracking method based on self-adaptive model predictive ...

Device for bidirectionally growing silicon carbide crystals

The invention provides a device for bidirectional growth of silicon carbide crystals, and belongs to the technical field of crystal growth, and the device for bidirectional growth of silicon carbide crystals comprises a lower crucible assembly and an upper crucible assembly. Wherein a lower crucible body in the lower crucible assembly is provided with a first cavity with an upward opening, a first porous graphite plate is arranged in the first cavity, and the first porous graphite plate and the lower portion of the first cavity are matched to form a first material containing cavity; an upper crucible body in the upper crucible assembly is provided with a second cavity with a downward opening, a second porous graphite plate is arranged in the second cavity, the second porous graphite plate and the upper portion of the second cavity are matched to form a second material containing cavity, and when the upper crucible body is arranged on the lower crucible body, the first cavity is communicated ...

HYDRAULIC CONTROL MECHANISM, CLUTCH SYSTEM AND AUTOMOTIVE BRAKE SYSTEM

Disclosed are a hydraulic control mechanism, a clutch system and an automotive brake system, the hydraulic control mechanism comprising a master cylinder, a working cylinder, and a pedal; an automatic hydraulic drive device, comprising: an oil cylinder provided with a first and second oil port in communication with an inner cavity, the first and second oil ports being respectively connected to the master cylinder and the working cylinder via a hydraulic pipe; a first piston movably located within the inner cavity, there being a gap between the first and second oil ports in a moving direction of the first piston; a drive mechanism for driving the first piston to move within the inner cavity; and a control unit for controlling the drive mechanism to enable the first piston to keep in a position where the first and second oil ports are in communication with each other upon receiving a manual control command, and controlling the drive mechanism to drive the first piston to move to a position ...

ARRAY SUBSTRATE AND METHOD FOR MANUFACTURING SAME, AND DISPLAY DEVICE

An array substrate (01) and a method for manufacturing same, and a display device. The array substrate (01) comprises a slit electrode (20) and a planar electrode (10) provided on a base substrate (100) and located in each sub-pixel (P), and the planar electrode (10) is located at the side of the slit electrode (20) close to the base substrate (100); the slit electrode (20) comprises a plurality of strip-shaped sub-electrodes (201); in each sub-pixel (P), an insulating layer (30) is provided between the slit electrode (20) and the planar electrode (10), and the surface of the insulating layer (30) facing away from the base substrate (100) is provided with a groove (301) between at least one group of adjacent strip-shaped sub-electrodes (201) among the plurality of strip-shaped sub-electrodes (201).

Bionic flapping wing aircraft steering mechanism based on cambered surface wings

The invention relates to a bionic flapping-wing aircraft steering mechanism based on cambered-surface wings, and the bionic flapping-wing aircraft steering mechanism comprises a control module, a steering engine, a steering engine swing arm, two kinds of cambered-surface wing ribs, a bendable cambered-surface wing rib, a first connecting rod and a second connecting rod. According to the bionic flapping-wing aircraft, reverse changes of the camber and the attack angle of the cambered-surface wing are achieved, so that lift force and thrust generated in the flapping process of wings on the two sides of the bionic flapping-wing aircraft are changed, a difference value is formed, finally steering of the bionic flapping-wing aircraft is achieved, the bionic appearance is achieved to the maximum extent, and the whole mechanism runs smoothly, stably and reliably.

AC/DC constant current type ADC front-end circuit for resistance and impedance detection

The invention discloses an AC/DC constant current type ADC front-end circuit for resistance and impedance detection. The AC/DC constant current type ADC front-end circuit comprises an AC/DC constant current source, a dummy load, a buffer, a reference signal input end Vref, a signal output end VADC and a resistor Rx to be detected, the reference signal input end Vref is used for matching a direct current or alternating current reference signal, the buffer is used for impedance conversion, and the alternating current and direct current constant current source is used for generating a corresponding direct current or alternating current constant current source. The AC/DC constant current type ADC front end circuit for resistance and impedance detection provided by the invention can replace a traditional four-wire method on the premise of ensuring precision and efficiency, not only has an open circuit protection function, but also can detect DC resistance or AC impedance, and also has the outstanding ...

Relay protection setting value management method, device and equipment

The invention provides a relay protection setting value management method, device and equipment, and relates to the technical field of power grid safety maintenance. According to the method and the device, the setting value lists uploaded by the user are stored to construct the setting value list database, so that the user can query the corresponding setting value lists conveniently. And a fixed value order number can be automatically generated for the fixed value order uploaded by the user, and the operation mode of the fixed value order can be marked. Therefore, a user can conveniently inquire the corresponding fixed value list according to the fixed value list number and screen the fixed value list of the corresponding operation mode according to the operation mode. Therefore, the mode of manual management of the setting list is replaced, the efficiency can be improved, the error probability in the management process can be reduced, and query of the setting list is facilitated.

CONTROL METHOD AND APPARATUS FOR ACTIVE SET UPDATING

Provided are a control method and apparatus for active set updating. The method comprises: acquiring a preconfigured threshold adjustment value; acquiring a corrected threshold value obtained by correcting an initial threshold value initially configured on a network side based on the threshold adjustment value, wherein the corrected threshold value is smaller than the initial threshold value; and updating an active set according to the corrected threshold value. By means of the present invention, the initial threshold value can be adjusted based on the threshold adjustment value, so as to better adapt to the actual radio-frequency performance and network situation of a mobile terminal, so that the mobile terminal can simultaneously use more cell signals, and thus the communication quality is optimized.

Non-integral fuel emission control device and method

The invention provides a non-integral fuel oil emission control device and method. The non-integral fuel oil emission control device comprises a first shaft body, a second shaft body and a shell. The first shaft body and the second shaft body are both located on the inner side of the shell. A plurality of connecting channels are formed in the inner side of the shell, and a plurality of through holes are formed in the first shaft body and the second shaft body; each of the first shaft body and the second shaft body has a default position state and a working position state; in any position state, at least one through hole of the first shaft body is communicated with one through hole of the second shaft body, and the two through holes are communicated with the connecting channel. The method has the beneficial effect that the emission of hydrocarbon can be reduced by converting different working conditions into different fuel oil emission modes.

Precast crack setting grain pressing method

The invention belongs to the technical field of explosive and powder forming, and provides a grain pressing method for setting precracks. Comprising the steps that 1, the number of cracks is designed in advance according to the warhead grain size and explosive characteristics; 2, according to the number of prefabricated cracks of the grain, the explosive loading amount of the grain is weighed into equal parts; 3, according to the direction of the precracks of the grain, the precracks are divided into the axial direction and the radial direction; and 4, prepared wax paper is placed according to the position of the prefabricated crack, and grain pressing is conducted after powder is poured in. According to the method, a crack is artificially prefabricated in the grain pressing process, a release channel is provided for stress, the stress generated in the grain pressing process is released according to a preset mode, and therefore potential safety hazards caused by random release of the grain ...

ORGANIC ELECTRON TRANSPORT MATERIAL

The present invention relates to an organic electron transport material having a compound of the structure shown in formula (I), wherein R1-R4 independently represent hydrogen or C1-C8 substituted or substituted alkyl, C2-C8 substituted or unsubstituted alkenyl, or C2-C8 substituted or unsubstituted alkynyl, the substituents being C1-C4 alkyl or halogen. Device experiments show that the electron-only organic semiconductor diode device and the organic electroluminescent device prepared using the organic electron transport material of the present invention have good electron transport performance, high and stable brightness, and a long device life.

Duplicate checking method and device for digital information in power industry

The invention discloses a duplicate checking method and device for digital information in the power industry. The method comprises the steps of determining a duplicate checking target task item and a duplicate checking range of the digital information in the power industry; performing word segmentation processing on the name and the description text of the duplicate checking target task item to obtain segmented words corresponding to the name and the description text; a duplicate checking model is constructed through a cosine similarity algorithm, a Levenshtein algorithm and an LCS longest common subsequence algorithm; and through the duplicate checking model, performing duplicate checking matching on the segmented words in a duplicate checking range, and calculating the duplicate checking similarity. The method assists demand planning personnel in quickly searching repeated items from massive historical task items, and can improve the duplicate checking efficiency and accuracy.

Precise angular displacement measuring device and method based on vortex light and plane wave interference

The invention discloses a precise angular displacement measurement method based on vortex light and plane wave interference, an optical interference system is built based on a Mach-Zehnder interference structure, when the relative positions of a to-be-measured plane mirror and a reference plane mirror are no longer parallel, off-axis interference occurs when two light beams reflected by the to-be-measured plane mirror and the reference plane mirror meet again, and the to-be-measured plane mirror and the reference plane mirror are not parallel to each other. The middle of the strip-shaped interference pattern is provided with a forked structure, and the peripheral area is distributed at equal intervals. At the moment, when the to-be-measured plane mirror generates small angular displacement, the optical path difference between the two beams of reflected light changes, the interference pattern also changes correspondingly, and the interference pattern contains related information such as ...

Power transmission line galloping early warning system based on multivariate data conduction network

The invention discloses a power transmission line galloping early warning system based on a multivariate data conduction network. Comprising the following steps: S1, establishing five transmission line galloping early warning evaluation indexes, acquiring related meteorological information in real time and calculating related data; s2, taking the specific data of the five transmission line galloping early warning evaluation indexes in the S1 as multivariate input quantities to be substituted into a multivariate data transmission network, and uploading an obtained early warning result and detailed parameters to a special internal network for a monitoring station; and S3, establishing a 5G internal transmission network special for early warning in a monitoring station through a 5G communication technology, and realizing real-time and accurate pushing and sharing of information by using a special internal network. Decision support is provided for power grid dispatching, maintenance operation ...

Power transmission line galloping early warning method, device and equipment and storage medium

The invention provides a power transmission line galloping early warning method, device and equipment and a storage medium, and belongs to the technical field of power transmission line galloping early warning. The early warning method comprises the following steps: constructing a power transmission line galloping early warning model, and carrying out early warning on galloping of a power transmission line by utilizing the early warning model; the early warning model is constructed by using an Adaboost algorithm, and the construction method comprises the steps: collecting line galloping historical data, and forming a training sample set; iteratively generating N decision tree stump weak classifiers; iteratively generating N horse field system weak classifiers; and merging classification results to obtain a strong classifier. Power transmission line galloping early warning can be carried out according to meteorological conditions and line parameters, the algorithm structure is simple, and ...

Ultrasonic atomization photo ionization source device and use method thereof

The invention provides an ultrasonic atomization photo ionization source device and a use method thereof. The ultrasonic atomization photo ionization source device comprises a motor top; a sample introduction pad; the ultrasonic atomization system is arranged on the sample introduction pad and comprises an ultrasonic atomization chip and an atomization vibration element which are electrically connected; the thermal desorption heater is installed above the top of the motor, a thermal desorption chamber is formed in the center of the thermal desorption heater, a metal grid mesh is arranged in the thermal desorption chamber, the atomization vibration element is located under the thermal desorption chamber, and a space for the atomization vibration element to vibrate is formed between the atomization vibration element and the metal grid mesh; the vacuum ultraviolet lamp is mounted and propped against the top of the thermal desorption heater and is used for photoionizing the catalytic sample ...

Relay protection setting value checking method, device and equipment

The invention provides a relay protection setting value checking method, device and equipment, and relates to the technical field of power grid safety maintenance. According to the method and the device, the image of the running fixed value sheet and the image of the fixed value sheet to be executed can be respectively acquired, and then the two images are respectively subjected to region segmentation according to the matched templates, so that more accurate character recognition can be conveniently carried out on the image of the running fixed value sheet and the image of the fixed value sheet to be executed according to each region. After the character content in the image of the operation setting value list and the character content in the image of the to-be-executed setting value list are respectively identified, the current operation setting value of each setting value item recorded in the operation setting value list and the setting value needing to be operated of each setting value ...

ORGANIC HOLE TRANSPORT MATERIAL

Disclosed in the present invention is an organic hole transport material having a compound of the structure shown in formula (I), wherein R1-R2 independently represent hydrogen or C1-C8 substituted or substituted alkyl, C2-C8 substituted or unsubstituted alkenyl, C2-C8 substituted or unsubstituted alkynyl, or C6-C10 substituted or substituted aryl, the substituents being C1-C4 alkyl or halogen. Device experiments show that the organic hole transport material of the present invention has high glass transition temperature and high thermal stability; a hole-only organic semiconductor diode device and organic electroluminescent device prepared using same have good hole transport performance, high and stable current efficiency, and a long device life.

METHOD AND DEVICE FOR ADJUSTING NETWORK SELECTION PARAMETER OF MOBILE PHONE

Disclosed in the present invention is a method for adjusting a network selection parameter of a mobile phone, the method comprising: if a mobile terminal is on a train traveling at a high speed and the mobile terminal resides in a high-speed rail network, adjusting a priority level of a neighboring cell of the residing network of the mobile terminal to be lower than a serving cell of the residing network of the mobile terminal if the neighboring cell is not in a high-speed rail network; and if the mobile terminal is on a train traveling at a high speed and the mobile terminal resides in a public network, adjusting a priority level of a neighboring cell of the residing network of the mobile terminal to be higher than a serving cell of the residing network of the mobile terminal if the neighboring cell is not in a public network.

Transcription factor activity calculation method, memory and electronic equipment

The invention discloses a transcription factor activity calculation method, a memory and electronic equipment, and belongs to the technical field of biological information. The method comprises the following steps: calculating mutual information of a transcription factor gene expression value and a non-transcription factor gene expression value in each cell group; screening a target gene of the transcription factor according to the size of the mutual information and the statistical significance of the mutual information; screening a positive regulation target gene and a negative regulation target gene according to the correlation between the transcription factor gene expression value and the target gene expression value; and calculating average mutual information of the positive regulation target gene expression value, the negative regulation target gene expression value and the transcription factor gene expression value, and taking the average mutual information as the activity of the ...

Glass hot bending equipment

The invention relates to glass hot bending equipment which comprises a glass preheating device used for preheating glass; the glass forming device is used for heating the preheated glass at different temperatures according to the hot bending shape of the glass and completing hot bending forming of the glass; the glass cooling device is used for cooling the glass subjected to hot bending forming; and the glass carrying device is used for carrying the preheated glass from the glass preheating device to the glass forming device and carrying the glass subjected to hot bending forming from the glass forming device to the glass cooling device. The glass hot bending equipment provided by the invention can reduce heat energy consumption in a glass hot bending process.

Overlying strata separation layer water disaster hidden danger identifying and grading method based on rock mass sound wave rigidity

The invention discloses an overlying strata separation layer water disaster hidden danger identification method based on rock mass sound wave rigidity. The method comprises the following steps: firstly, carrying out rock mass sound wave in-situ testing; secondly, calculating rock mass sound wave rigidity; then calculating the sound wave stiffness ratio of adjacent stratum rock masses; then in-situ judgment and scale grading are conducted on the overlying strata separation layer water disaster hidden danger, and finally risk grading is conducted on the overlying strata separation layer water disaster hidden danger. According to the method, the stratum structure disclosed by drilling and drilling sound wave test data are comprehensively adopted, complex indoor tests are not needed to obtain physical and mechanical parameters, in-situ recognition and grading can be rapidly conducted on the overlying strata separation layer water disaster hidden danger of the mining area, a scientific basis ...

Automobile aftermarket data processing method based on AI model

The invention discloses an automobile aftermarket data processing method based on an AI model, and relates to the technical field of automobile aftermarkets, and the method comprises the following steps: obtaining the data information of an automobile engine, the data information comprising the state information of engine equipment and the operation state information of the engine equipment; and generating a monitoring index through the state information of the engine equipment and the operation state information of the engine equipment. The running state of the automobile engine is monitored through the generated monitoring index, and when the running state of the automobile engine becomes poor, an early warning prompt that maintenance needs to be carried out is sent out to prompt an automobile user that the running state of the engine becomes poor and maintenance needs to be carried out in time; when the automobile engine does not reach the maintenance period and the maintenance mileage ...

Video processing method and device, equipment and storage medium

The invention provides a video processing method and device, equipment and a storage medium, and the method comprises the steps: firstly obtaining resource data corresponding to a target recommendation object in response to a triggering operation for a shooting entrance corresponding to the target recommendation object, then displaying a video shooting page, and based on the resource data corresponding to the target recommendation object, carrying out the video processing of the target recommendation object. And displaying an effect corresponding to the resource data on the video shooting page, generating a result video corresponding to the target recommendation object based on the displayed effect, and further displaying a video uploading page in response to an uploading operation for the result video. Uploading progress information of the result video and interaction information corresponding to the target recommendation object are displayed on the video uploading page. Visibly, according ...

METHOD AND DEVICE FOR DISPLAYING FOUND NETWORK ON TERMINAL DEVICE, AND TERMINAL DEVICE

Provided in an embodiment of the invention are a method for displaying a found network on a terminal device, and a terminal device. The method comprises: a terminal device obtaining a network search instruction, the network search instruction instructing the mobile device to start performing a network search operation; the terminal device searching, according to the network search instruction, for an available network within a network frequency band in a first network standard; and the terminal device displaying, to a user, the available network found within the network frequency band in the first network standard. The method and terminal device provided in the embodiment of the invention can improve user experience.

RESOURCE ALLOCATION METHOD, APPARATUS AND DEVICE

Disclosed are a resource allocation method, apparatus and device. The method comprises: acquiring gesture action data input on a terminal device by a user; determining a matching degree between the gesture action data and reference gesture data, and determining target resources needing to be allocated to the user in a resource library according to the matching degree; and sending the target resources to the terminal device. By using the embodiments of the present application, the sense of participation of the user in the process of the resource allocation can be enhanced, and the controllability of the resource allocation of the user is improved; moreover, the resource allocation method mentioned above is not easily breached by cheating means such as an automated script, improving convenience and the level of interest of the resource allocation.

BACKLIGHT SOURCE, BACKLIGHT MODULE, AND DISPLAY DEVICE

A backlight source, a backlight module, and a display device. The backlight source comprises a light source (100) and a polarizing device (200). The light source (100) is configured to emit light to the polarizing device (200). The polarizing device (200) is configured to convert the light emitted by the light source (100) into polarized light. The polarizing device (200) comprises a birefringent material. The backlight source is capable of emitting linearly polarized light by means of the birefringent material.

Rydberg atomic electric field sensing device and system

The invention discloses a Rydberg atomic electric field sensing device and system which are applied to the field of quantum sensing, the device comprises an atomic gas chamber, a first distributed feedback laser and a second distributed feedback laser, the first distributed feedback laser and the second distributed feedback laser each comprise a laser source resonant cavity formed inside, the first distributed feedback laser and the second distributed feedback laser take laser generated by light feedback and light amplification based on respective internal laser source resonant cavities as probe light and pump light respectively and enter from one side of the atomic gas chamber, so that atoms in the atomic gas chamber reach an excited state and a Rydberg state in sequence. The distributed feedback laser is used as pump light and probe light for exciting Rydberg atoms, a miniaturized light source is provided for the Rydberg atom electric field sensing device, the integration level of the ...

Power distribution network planning device and planning method based on power distribution network frame

The invention discloses a power distribution network planning device and method based on a power distribution network frame, and relates to the technical field of power distribution network frames, and the device comprises a vertical rod assembly, the top of the vertical rod assembly is connected with a lifting sleeve, the outer side of the lifting sleeve is provided with two groups of symmetrical cable adjusting and fixing assemblies, and the bottom of a circular plate is provided with a first motor. The adjacent faces of the hollow groove and the circular plate are each provided with a bearing seat, a first lead screw jointly penetrates through the interiors of the two bearing seats, and the exterior of the first lead screw is in threaded connection with a first wire cylinder. According to the structure, cables with different diameters can be rapidly fixed and detached, the distance between the multiple cables can be adjusted, and meanwhile after the cables are installed, the cables can ...

Unmanned shipborne remote blasting control system and method

According to the unmanned ship-mounted remote blasting control system and method, an unmanned ship is used for carrying a blasting device, an environment sensing module is carried on the unmanned ship to independently and autonomously make a blasting decision according to the situation, through remote decision and control, the obstacle breaking requirement and effect are reasonably matched, and the blasting device is remotely controlled to release to complete obstacle breaking. And safe, efficient and economical treatment of the underwater obstacles is realized.

Power transmission line galloping early warning method based on unbalanced sampling

The invention discloses a power transmission line galloping early warning method based on unbalanced sampling, and the method comprises the following steps: S1, collecting the historical galloping condition data of a line, and forming an alternative training sample set; s2, screening training samples by adopting an information entropy weighted projective method; s3, sampling by adopting a performance posterior adaptive sampling method to obtain a training subset; and S4, training by adopting a Q-learning algorithm based on parameter mapping to obtain a galloping early warning classifier. According to the method, improvement is carried out on the basis of a Q-learning algorithm, different mapping parameters are designed for different types of actions, independent iteration updating of different actions is achieved, a Q function is calculated through the mapping parameters, an action scheme is selected, the classification accuracy can be improved, and finally a to-be-detected sample is input ...

Method and device for sensing and evaluating flood season risk of transformer substation based on cloud model

The invention belongs to the technical field of power grid disaster prevention and reduction, and particularly relates to a transformer substation flood season risk perception assessment method and device based on a cloud model, and the method comprises the following steps: obtaining transformer substation flood season influence factors, and building a multi-dimensional transformer substation flood season index system; obtaining qualitative and quantitative index systems of secondary indexes of different transformer substation influence factors; calculating the weight of each risk index by adopting an analytic hierarchy process; clouding the risk indexes based on a forward cloud generator, and establishing a cloud model; determining a digital characteristic value of each risk index based on a reverse cloud generator; according to the digital characteristic value of each risk index, determining a cloud droplet, and drawing a cloud picture; and judging a risk level in the cloud model according ...

Data processing method and device and electronic equipment

The invention discloses a data processing method and device and electronic equipment. The method comprises the steps that an encrypted data access request sent by a predetermined terminal is acquired, and the encrypted data access request carries target encrypted data; in response to the encrypted data access request, determining a target data type and a target encryption mode of target encrypted data; according to the target data type, a target decryption address corresponding to the target encrypted data is determined to be stored, and multiple decryption modes are stored in the target decryption address; determining a target decryption mode corresponding to the target encryption mode from the target decryption address; and decrypting the target encrypted data by adopting the target decryption mode to obtain target decrypted data corresponding to the target encrypted data. According to the method and the device, the technical problem that the encrypted data is easy to crack when the data ...

QUANTUM DOT ELECTROLUMINESCENT COMPONENT AND DISPLAY

The present invention relates to a quantum dot electroluminescent component, comprising a first electrode layer, a light-emitting layer, and a second electrode layer sequentially stacked. A first electron transport layer and a second electron transport layer are provided between the light-emitting layer and the second electrode layer. The materials of the first electron transport layer comprise an inorganic metal oxide transport material. The materials of the second electron transport layer comprise an organic electron transport material. The present invention stacks and uses the two electron transport layers of different materials, reduces the difference between hole mobility and electron mobility, implements a balance of carriers, significantly increases current efficiency, and is applicable in the fields of solid-state lighting and tablet displays.

AC-DC-AC CIRCUIT GROUNDING PROTECTION METHOD, DIESEL GENERATOR SET AND LOCOMOTIVE

An AC-DC-AC circuit grounding protection method according to the present invention comprises: setting an electrical current threshold ΔI and voltage thresholds ΔU1, ΔU2, ΔU3; when the magnitude of a vector sum I is higher than the electrical current threshold ΔI, if the magnitude of one-phase voltage outputted by an output inverter is lower than the voltage threshold ΔU1 and a phase difference of other two-phase voltages is 60°, it may be determined that said phase has one grounding point, and the output inverter is disconnected from an intermediate DC section of a main circuit; if the magnitudes U1, U2, U3 of the phase voltages outputted by the output inverter are all higher than the threshold voltage ΔU2, and voltages to earth are all negative or all positive, then it may be determined that a positive or negative bus P or N of the intermediate DC section is grounded, and a switch BKR of a contactor is cut off, so as to disconnect a rectifier from an AC power supply; if two-phase voltages ...

ELECTROLUMINESCENT DEVICE AND LIGHT-EMITTING LAYER AND APPLICATION THEREOF

An electroluminescent device and a light-emitting layer and an application thereof. The light-emitting layer comprises at least one nano-crystalline semiconductor material and at least one exciplex; an emission spectrum of the exciplex is at least partially overlapped with an excitation spectrum of the nano-crystalline semiconductor material; and the attenuation life of an excited state of the exciplex is longer than the attenuation life of an excited state of the nano-crystalline semiconductor material. In the light-emitting process of a light-emitting layer, forming an exciplex of delayed fluorescence can effectively transfer energy to the nano-crystalline semiconductor material so as to obtain a stable light-emitting layer of an OLED device of high light-emitting efficiency.

METHOD AND DEVICE FOR ESTIMATING STATE OF HEALTH OF BATTERY

A method and a device for estimating the state of health (SOH) of a battery. The method comprises: acquiring the partial charge or discharge capacity of a target battery over an SOC interval of each SOC of a plurality of SOCs (S301); calculating first dV/dSOC data of each SOC under an mth preset battery capacity according to the mth preset battery capacity and the partial charge or discharge capacity over an SOC interval of each SOC; calculating second dV/dSOC data corresponding to each SOC according to a prestored dV-dSOC characteristic function; calculating an mth general dV/dSOC data deviation of the plurality of SOCs according to the first dV/dSOC data of each SOC under the mth preset battery capacity and the second dV/dSOC data corresponding to each SOC (S302); determining, from all the general dV/dSOC data deviations corresponding to the M preset battery capacities, the smallest general dV/dSOC data deviation (S303); determining the preset battery capacity corresponding to the smallest ...

ORGANIC ELECTROLUMINESCENT DEVICE

An organic electroluminescent device, comprising an anode (20), a cathode (80) and an organic layer, wherein the organic layer is one or more layers, at least comprising a light-emitting layer (50), of a hole injection layer (30), a hole transport layer (40), an electron injection layer (70), an electron transport layer (60) and the light-emitting layer (50); and the light-emitting layer (50) is a host-guest doped system consisting of a host material and a guest material, a light-emitting region of the light-emitting layer (50) is blue 440-490nm, the host material or the guest material has a compound with a structure shown in a formula (I), and the organic electroluminescent device has the advantages of good electroluminescent efficiency, excellent color purity and long service life.

NEURAL NETWORK-BASED NEAR-INFRARED SPECTRAL TOMOGRAPHY RECONSTRUCTION METHOD

A neural network-based near-infrared spectral tomography reconstruction method, belonging to the field of medical image processing. In a Boltzmann radiation transmission equation, a light transmission process is regarded as an absorption and scattering process of photons in a medium; the interaction between light and tissue is determined by absorption coefficients, scattering coefficients and phase functions of reactive scattering distribution; only the particle nature of light is considered in transmission, and the wave nature of light is not considered; therefore, phenomena of polarization and interference correlated to the wave nature of light are not considered, and only the energy transmission of light is tracked. The BP neural network-based reconstruction method is used for reconstructing the distribution of the absorption coefficients of light, and can obtain a reconstruction result of the distribution of the absorption coefficients through calculation; and said reconstruction method ...

ORGANIC ELECTROLUMINESCENT MATERIAL

The present invention relates to an organic electroluminescent material, which has a structure as represented by formula (I). Compounds as represented by formula (I) have highly stable electron acceptor groups and electron donor groups, stable chemical bonds are provided among the compounds, and no strong conjugate is present. These characteristics provide the compounds as represented by formula (I) with increased fluorescent quantum efficiency and great electric charge transfer capabilities and to be close to the international standard dark blue, thus facilitating implementation of displays having high color purity.

Method of stabilizing thiol compositions

The invention relates to a method for improving the stability of 2-diethylaminoethanethiol, which is characterized in that the content of disulphide contained in 2-diethylaminoethanethiol is controlled to be less than 0.5% in percentage by weight, so that 2-diethylaminoethanethiol can be stored for more than 18 months at the temperature of less than or equal to 25 DEG C under nitrogen sealing.

Portable oil tank sealing performance detection device

A portable oil tank sealing performance detection device disclosed by the present invention comprises a box body and a detection module arranged in the box body, the detection module comprises an air pump, a surge tank, a pressure regulating valve, a single-chip microcomputer, a touch screen and a power supply device, an outlet of the air pump is connected with an inlet of the surge tank, and an exhaust outlet of the surge tank is connected with an air inlet of the pressure regulating valve. An air outlet of the pressure regulating valve is connected with an exhaust connector, the exhaust connector is detachably connected with an exhaust hose, the exhaust hose is connected with an evaporation control system, and constant-flow air is input into the evaporation control system for leakage detection; the single-chip microcomputer is connected with the touch screen and the air inlet pressure monitoring sensor, and the single-chip microcomputer is used for monitoring air inlet pressure according ...

Multi-gear hybrid power device and vehicle with same

The invention provides a multi-gear hybrid power device and a vehicle with the multi-gear hybrid power device. The multi-gear hybrid power device comprises a motor EM1; one end of the first planet row is connected with the motor EM1, and the other end of the first planet row is connected with the first clutch, the second clutch, the first brake and the second brake; one end of the second planet row is connected with the motor EM1; and the engine is connected with the other end of the second planet row. The first end of the first planet row is connected with the motor EM1, the second end of the first planet row is connected with the first clutch, the second clutch, the first brake and the second brake, and the first end of the second planet row is connected with the motor EM1, so that the vehicle is driven by only one motor and an engine, and various EV working modes can be realized; meanwhile, through the layout of the Ravigneaux planet row, the output end is connected with a plurality ...

METHOD FOR ASSESSING ELECTROCARDIOGRAM SIGNAL QUALITY

A method for assessing electrocardiogram signal quality, the method comprising: receiving heartbeat analysis data that is obtained by processing electrocardiogram monitoring data outputted by an electrocardiogram monitoring device (110); extracting position information and width information of a QRS wave group in the heartbeat analysis data (120); extracting an RR interval signal between two adjacent QRS wave group signals (130); performing QRS wave group signal cancellation processing on the RR interval signal to obtain an RR interval signal for which the QRS wave group signal is removed (140); filtering the RR interval signal of the QRS wave group signal, and performing envelope calculation on the filtered signal to obtain the average power of a noise signal of the RR interval signal for which the QRS wave group signal is removed (150); obtaining a signal quality evaluation parameter according to the average power of the noise signal and the power of the QRS wave group signal (160). By ...

General optical network endogenous security protection system based on quantum noise stream encryption

The invention discloses a quantum noise stream encryption-based universal optical network endogenous security protection system, and belongs to the technical field of optical communication and optical networks. Aiming at the requirement of multiple modulation formats of the elastic optical transport network, a transmitter with a general modulation format changing from binary phase keying (BPSK) to a 64-system quadrature amplitude modulation (64QAM) format is arranged at a transmitting node of the OTN; the transmitter is mainly composed of a digital signal processing part of the modulation format, a continuous wave laser and a quadrature phase modulator. A receiving node of the OTN is provided with a modulation format identification module from BPSK to 64QAM and a module for setting different quantization thresholds based on phase noise of each modulation format so as to generate a seed key. Based on the optical fiber channel characteristics, after the seed key generated by the receiver ...

Crawler-based security threat intelligence acquisition, research and judgment method

The invention discloses a crawler-based security threat intelligence acquisition and research and judgment method, which comprises the following steps of: scheduling multiple threads through a distributed crawler, concurrently acquiring address information in a message queue, asynchronously crawling webpage data corresponding to the address information, performing matching operation on the webpage data based on a preset matching model, and acquiring security threat intelligence. Performing data cleaning and filtering on the security threat intelligence, and then performing a series of research and judgment operations; according to the method, high-quality and comprehensive security threat intelligence is efficiently obtained based on the crawlers, the study and judgment model is specifically constructed to study and judge the obtained security threat intelligence, study and judgment on objects which do not conform to STIX specifications or are not included in the threat intelligence with ...

Unit commitment method, system and equipment based on check number algorithm and storage medium

The invention discloses a unit commitment method, system and equipment based on a test number algorithm and a storage medium, and belongs to the technical field of power dispatching, and the method comprises the steps: solving a linear programming form of a pre-established unit commitment mathematical model, and obtaining a relaxation solution of the unit commitment mathematical model; according to the relaxation solution of the unit commitment mathematical model, 0-1 variables in the unit commitment mathematical model are sequenced according to the target value decrement after relaxation in a linear programming form; and setting a threshold selection variable as a solver hot start value according to the order of the target value decrement, and solving the unit commitment mathematical model through the solver to obtain a unit commitment scheme. According to the method, the initial solution calculated by the unit commitment strategy is solved by adopting the root node linear programming ...

INVERTED-TYPE ELECTRIC FIELD INSTRUMENT HAVING LOW POWER CONSUMPTION AND A CONSTANT SPEED

An inverted-type electric field instrument having low power consumption and a constant speed. The electric field instrument comprises a housing (1), a motor (3), a fixed disk (4), a fixed disk cover (6), a static sheet (8), and a moving sheet (9). The fixed disk (4) and the fixed disk cover (6) are provided inside the housing (1). The motor (3) is further provided inside the housing (1), and the motor (3) comprises a motor shaft. The motor shaft passes through the fixed disk (4) and the fixed disk cover (6), the static sheet (8) is connected to the motor shaft through an insulating plastic piece (7), and a cylindrical column (10) is sleeved at the bottom of the motor shaft. The moving sheet (9) is connected to the cylindrical column (10). The electric field instrument further comprises an electric field signal filtering circuit, an electric field signal polarity determining circuit, a motor control module, and a power supply unit. No positioning bracket, small blade, or photoelectric switch ...

Flexible centering equipment for stacked battery cells of LCTP module

The invention relates to the field of battery cell processing, and discloses flexible centering equipment for stacked battery cells of an LCTP module, which effectively solves the problem that the flatness and linearity effect of the battery cells are poor when the battery cells are aligned at present, and comprises a workbench, a stacking table is mounted at the top end of the workbench, and a support frame is mounted at the top end of the workbench; a linear module is installed at the top end of the supporting frame, a sliding rail is installed on one side of the linear module, a drag chain is installed on the other side of the linear module, a servo motor is installed on the linear module and used for driving the drag chain to move, a flexible centering assembly is installed at the top end of the linear module, and the drag chain is used for driving the flexible centering assembly to move. The two centering clamping jaws are symmetrically arranged on the two sides of the pressing plate ...

Nano array laser and nano array laser preparation method

The invention discloses a nano array laser and a nano array laser preparation method, which are applied to the technical field of photoelectricity, and the device comprises a substrate, a semiconductor material nano array structure, a light-transmitting conductive electrode, a second-order grating for gathering light beams and a substrate electrode, a second-order grating is integrated on the side, back on to be in contact with the semiconductor material nano array structure, of the light-transmitting conductive electrode, second-order diffraction of the second-order grating is used for conducting light feedback and mode selection on light beams emitted by the top end, back on to the substrate, of the semiconductor material nano array structure, light beam gathering is achieved, the scattering angle of the light beams is reduced, and the light-emitting efficiency is improved. The first-level diffraction is used for realizing vertical surface emergence of light beams emitted from the top ...

Six-wheel drive robot for double-bundle transmission conductor spacer installation

The invention discloses a six-wheel drive robot for double-bundle power transmission conductor spacer installation, and the robot comprises a walking mechanism which is used for driving the robot to walk to a required installation position along a double-bundle power transmission conductor and can cross an obstacle in the walking process; comprising a storage mechanism used for carrying spacers; comprising a conveying mechanism which is used for conveying the spacer carried by the storage mechanism to a required mounting position; comprising a mounting mechanism used for mounting the spacer conveyed by a conveying mechanism on a double-bundle transmission conductor; comprising a carrying platform used for providing a supporting foundation for a walking mechanism, a storage mechanism, a mounting mechanism and a conveying mechanism so that the mechanisms can be integrated; under the control of the control system, through the walking mechanism, the storage mechanism, the conveying mechanism ...

Accurate acquisition and analysis method for digital twinborn data of coal mine

The invention relates to the technical field of coal mining, in particular to a coal mine digital twinborn data accurate acquisition and analysis method, which comprises the following steps of: obtaining a coal mine information database according to information of an equipment end of a coal mine and environment information of the coal mine; processing the coal mine by combining a digital twinning technology to obtain a digital twinning body of the coal mine; according to the equipment end of the coal mine and the environment real-time information set of the coal mine, a simulation analysis method is adopted to process the digital twinborn body of the coal mine, and a plurality of to-be-processed schemes of the coal mine are obtained; the data is verified on the simulation cloud platform, a coal mine processing scheme is obtained, and the accuracy and the analysis effect of coal mine data analysis are improved; predicting the future state of the coal mine by using a digital twinning technology ...

Recycled concrete processing system and processing technology

The invention relates to a processing system and a processing technology of recycled concrete, and relates to the field of concrete regeneration, and the processing system of the recycled concrete comprises a chopping box used for containing waste concrete blocks; the cutting and screening assembly is arranged in the cutting box, and the cutting and screening assembly is used for cutting concrete blocks through water jet and screening concrete fragments; the freezing box communicates with the chopping box and is used for freezing concrete fragments, the freezing box is fixedly connected with a discharging plate, and crushing rollers are arranged on the discharging plate; the acidizing box is communicated with the discharging plate and is used for acidizing the crushed concrete; the grinding and drying assembly communicates with the acidification box, and the grinding and drying assembly is used for grinding the acidified concrete and drying the concrete while grinding; and the new material ...

BATTERY STATE OF HEALTH DETECTION DEVICE AND METHOD

Provided is a battery state of health detection method. In the method, current and voltage are measured twice for a time interval, a corresponding model algorithm is selected according to measured current values, corresponding battery open circuit voltage values and battery state of charge values are respectively obtained at a start time and an end time of the time interval on the basis of the model algorithm, a battery capacity difference value indicating a current battery holding capacity and a battery capacity difference value indicating a future battery holding capacity are calculated and obtained, the effect of a measured battery temperature value is taken into account, and a battery state of health value is calculated and obtained. Also provided is a battery state of health detection device. The present invention implements battery state of health detection in an online state, monitors battery ageing in a timely and accurate manner, ensures that a device supplies a load with power ...

Method and device for supplementing meteorological data of photovoltaic power station and related equipment

The invention discloses a photovoltaic power station meteorological data supplementing method and device and related equipment, and the method comprises the steps: carrying out the processing of a plurality of first meteorological sequences of a photovoltaic power station through a trained model, and obtaining second meteorological sequences; on the basis of the second meteorological sequences, vacancy values in the first meteorological sequences are supplemented, and target meteorological sequences are obtained; wherein the model is obtained through training by taking observation values randomly selected from the meteorological sequences as input characteristics and taking other observation values as labels, each meteorological sequence corresponds to a numerical value of a meteorological attribute on a plurality of observation points, and missing values do not exist in each meteorological sequence. According to the method, the correlation between the meteorological data of different meteorological ...

Method for predicting power failure of power distribution network at extreme high temperature based on neural network

The invention relates to the technical field of power distribution network disaster prediction, and discloses a power distribution network power failure prediction method based on a neural network at an extreme high temperature, and the method comprises the following steps: collecting a fault set of power failure faults of a power distribution network at the extreme high temperature; establishing a fault sample library A under the historical extreme high temperature of the power distribution network; establishing a non-fault sample library B under the historical extreme high temperature of the power distribution network; the fault sample library A and the non-fault sample library B are integrated together to form a training sample library X; based on the training sample library X, predicting the power failure probability and the power failure duration of the power distribution network at the extreme high temperature by adopting a long-short-term memory neural network, and establishing a ...

Humidifier and water replenishing control method for humidifier

The embodiment of the invention discloses a humidifier. According to the specific implementation mode, the humidifier comprises a shell, a draught fan placed at the upper end of the shell, a humidifying net assembly and an air guide assembly, the bottom of the shell is used for storing water, the humidifying net assembly is placed at the bottom of the shell and can ascend and descend along with the change of the water level, and the air guide assembly is arranged in the shell. The height of a humidifying net included in the humidifying net assembly is matched with the maximum spreading height of the humidifying net by the capillarity phenomenon; the air guide assembly is arranged between the fan and the shell in a surrounding mode, the top end of the air guide assembly is connected with the shell in a sealed mode, the bottom end of the air guide assembly is connected with the top end of the humidifying net assembly, and in the working state, the air guide assembly stretches out and draws ...

Electricity-gas coupled comprehensive energy system carbon emission monitoring method

The invention discloses an electricity-gas coupled comprehensive energy system carbon emission monitoring method. The method comprises the following steps: S1, calculating system power flow; s2, generating a branch power flow distribution matrix PB, a unit injection distribution matrix PG, a load distribution matrix PL and a node active flux matrix PN; s3, whether the absolute value of the node active flux matrix PN is equal to 0 or not is judged, if yes, the corresponding node of the row where the diagonal element is 0 in the PN and the unit and the line connected with the corresponding node are removed from the power grid, the steps S2 to S3 are repeated, and if not, the step S4 is executed; s4, calculating a power grid node carbon potential En and a gas network node carbon potential Egas.n; s5, calculating carbon flow distribution of power grid branches and loads and calculating a gas network carbon emission flow model; and S6, reducing and distributing to each energy hub EH. The method ...

LDPE (Low-Density Polyethylene) resin for coated product as well as preparation method and application of LDPE resin

The present invention relates to an LDPE resin for a coated product. The low-density polyethylene mainly solves the problem of poor adhesive force in the coating process of the existing low-density polyethylene for coated products. The preparation method is characterized in that the mass ratio of the prepolymerization reaction raw material to the prepolymerization initiator to the flexible monomer is (1: 100)-(1: 1000); the ratio of the polymerization reaction raw materials to the prepolymerization reaction product to the ethylene is (1: 10)-(1: 500); the ratio of the polymerization initiator to the ethylene is (1: 500)-(1: 5000); the ratio of the chain transfer agent to the ethylene is 1: 200-1: 2000; the preparation method comprises the following steps: S1, initiating self-polymerization of the flexible monomer in a pre-polymerization kettle by adopting a pre-polymerization initiator to produce a flexible monomer oligomer; and S2, simultaneously adding the produced flexible monomer oligomer ...

ORGANIC ELECTRONIC MATERIAL

Provided is an organic electronic material shown in a formula (I), which relates to the technical field of display materials of organic electroluminescent devices. The organic electronic material has relatively good thermal stability, high light-emitting efficiency and high light-emitting purity. An organic electroluminescent device manufactured by adopting an organic light-emitting material has the advantages of good electroluminescent efficiency, excellent color purity and long service life.

ORGANIC ELECTRON TRANSFER MATERIAL

An organic electron transfer material provided with a compound structured as formula (I), where R represents a C1-C8 alkyl or a C2-C8 substituted or unsubstituted enalkyl or a C2-C8 substituted or unsubstituted alkynyl, and AR1 and Ar2 independently represent C6-C60 substituted or unsubstituted aryls. Empirical experiments show that a purely electronic organic semiconductor diode component and an organic electroluminescent component manufactured using the novel organic electron transport material emit a blue light, have high electron transfer rates, great electron transport properties, and high luminous efficiency.

Beidou No.3 short message terminal and microblog message intercommunication system and intercommunication method

The invention discloses a Beidou third-generation short message terminal and microblog message intercommunication system, which is characterized in that when a Beidou third-generation terminal sends a message to a microblog platform, a Beidou satellite broadcasts a short message to a short message communication civil service platform, and the short message communication civil service platform sends the short message to a Beidou short message and microblog intercommunication platform through a special line; the Beidou short message and microblog intercommunication platform pushes the short message information to a microblog platform through a private line; when the microblog platform sends a microblog message to the Beidou third-generation terminal, the microblog platform sends the microblog message to the Beidou short message and microblog intercommunication platform, and the Beidou short message and microblog intercommunication platform sends the microblog message to the short message ...