Preparation method of vital-energy benefiting and skin nourishing prepared ginseng in pieces

... 本发明公开种益气养颜人参饮片的制备方法，包含以下步骤：A、选材：称重选取人参20‑30g、玫瑰花10‑15g、酸枣仁4‑6g、白芷2‑3g、金樱子1‑3g、太子参4‑5g、当归2‑4g、郁金5‑7g、党参3‑5g、西洋参2‑4g、冬虫夏草1‑2g、玉竹5‑6g、螺旋藻2‑4g、海藻粉5‑7g、黄精2‑4g。本发明益气养颜人参饮片的制备方法通过制片技术将人参和多种辅助的中药材进行处理和混合后制备成方便患者使用的人参饮片，且经过药物的充分混合和粉碎，简化中药的制作方式，并且具有杂质低、安全卫生的优点，在使用效果方面，采用西洋参、当归、太子参、冬虫夏草等中药配合，具有补血；活血、补气养颜的功效，长期饮用能够达到很好的益气养颜作用。 ...

Edible base material filling machine

The utility model provides an edible base material filling machine, and relates to the technical field of food processing. The edible base material filling machine comprises an edible base material storage box, a filling mechanism is arranged on the lower side of the edible base material storage box, a conveying machine tool matched with the filling mechanism in a filling mode is arranged below the edible base material storage box, a stirring device is arranged in the storage box, and a power device for driving the stirring device to rotate is arranged on the upper side of the storage box. And the power device drives the stirring device to periodically rotate forwards and backwards. The edible base material filling machine solves the problem that an existing edible base material filling machine is uneven in filling.

VN group management method, management equipment and network equipment

A VN group management method, management device and network device, the method comprising: a first network element determines a target VN group to which a terminal is to join according to a session establishment request sent by the terminal, and sends a first message to a first target UPF and a second target UPF or to the second target UPF, the first message is used for indicating the first target UPF and the second target UPF to configure tunnel information associated with a target VN group, or indicating the second target UPF to configure tunnel information associated with the target VN group, sending a session establishment request to the second target UPF, the session establishment request carrying a target VN group identifier, and sending a session establishment request to the second target UPF, and the second target UPF establishes a session for the terminal based on the tunnel information and the target VN group identifier. Through the method, the method for automatically and efficiently ...

Service flow transmission method and device, server and storage medium

The invention provides a service flow transmission method and device, a server and a storage medium, relates to the technical field of communication, and solves the technical problem that service transmission efficiency is affected due to the fact that time delay of service flow transmission is possibly increased through 5GC and BRAS modes in related technologies. The method comprises the following steps: receiving a first service flow sent by a target wireless terminal; determining whether a destination address included in the first service flow belongs to a first address set, wherein the first address set comprises an IP address of at least one wired terminal; and under the condition that a destination address included in the first service flow belongs to the first address set, the first service flow is sent to an HGU, so that the HGU sends the first service flow to a target wired terminal, and the IP address of the target wired terminal is the destination address included in the first ...

SYSTEM AND METHOD AND M2M TESTING STATION FOR REALIZING M2M TERMINAL TESTING

A system and a method and a machine to machine (M2M) testing station for realizing M2M terminal testing are provided. When the M2M testing station receives a terminal message reported by the M2M terminal, it searches a testing content of the testing task corresponding to the M2M terminal and performs the testing to the M2M terminal according to the testing content. The M2M testing station supports the wireless machine to machine protocol (WMMP) and provides the functions for editing application example, a testing terminal, a terminal marking and a final estimating etc..

BORATE LUMINOUS MATERIAL AND PREPARATION METHOD THEREOF

A kind of borate luminous material is provided, which comprises the compounds having the following formula: M2 (Re1-xLnx) 2 B2O7, wherein 0 Подробнее

桨叶托架

Automobile rear object bracket welding and assembling tool

The utility model discloses a welding and assembling tool for an automobile rear object bracket, and relates to the field of automobile part production equipment. The device comprises a workbench, a U-shaped support fixing assembly and a framework fixing assembly are arranged on the workbench, the framework fixing assembly comprises a first fixing base and a second fixing base, and positioning columns are arranged on the first fixing base and the second fixing base; the first fixing base and the second fixing base are both connected with driving mechanisms used for driving the first fixing base and the second fixing base to move away from each other, and a reset piece is arranged between the first fixing base and the second fixing base. The U-shaped support and the framework are fixed through the U-shaped support fixing assembly and the framework fixing assembly respectively, machining of workers is facilitated, the welding precision of the workers can be improved, limiting shaft mounting ...

Waterproof decorative plate mechanism

The waterproof decorative plate mechanism comprises decorative plate bodies, an air storage notch is formed between every two adjacent decorative plate bodies, every two adjacent air storage notches form an air storage groove, and the notch of each air storage groove is covered with a shielding net plate; and the water retaining fan is embedded in the decorative plate body and used for forming airflow flowing from the groove bottom of the air storage groove to the groove opening at the air storage groove. The waterproof decorative plate has the effect that the joints between the waterproof decorative plates are not prone to water seepage.

OFDM (Orthogonal Frequency Division Multiplexing) channel estimation method adopting pre-activated residual unit and super-resolution network

The invention relates to the technical field of communication, in particular to an OFDM (Orthogonal Frequency Division Multiplexing) channel estimation method adopting a pre-activated residual unit and a super-resolution network. Firstly, OFDM system channel estimation is carried out by adopting a super-resolution network PResNet with fewer convolution filters, a channel matrix obtained at a pilot frequency by adopting a least square channel estimation method is regarded as a pixel point on a low-resolution image, and then a mapping relation in the channel matrix is learned by using the proposed super-resolution network, so that the channel estimation of the OFDM system is realized. And finally, a high-resolution image, namely an accurate and complete channel matrix, is obtained through the interpolation layer. In addition, channel estimation is carried out on a super-resolution network FullPResNet combining a pre-activated residual unit and dense connection, the dense connection is applied ...

Distribution network master station and local cooperative feeder fault self-healing method and system

The invention discloses a distribution network master station and on-site cooperative feeder fault self-recovery system, which comprises a real-time fault information collection module used for collecting real-time fault information; the fault detection module is used for comprehensively analyzing and filtering signals within the fault detection time range and checking whether signals capable of starting the fault self-recovery system exist or not; the fault positioning module is used for judging a fault interval according to the locking and closing signal; the fault isolation module is used for judging whether isolation is needed or not according to the fault information; the fault recovery module is used for recovering the fault after the fault is completely isolated; and the scheme display module is used for displaying and storing the distribution network fault self-recovery system scheme in a certain format, and performing process display, query and analysis, and the system realizes ...

Coal mine shunting mechanism and conveyor

The invention relates to a coal mine flow dividing mechanism and a conveyor, and belongs to the field of conveyors. When a flow dividing assembly is arranged and a swing plate inclines towards one side, coal mine stones in an inclination box are input into a guide assembly with the opposite inclination direction, and the time proportion of the swing plate inclining towards the two sides is changed; the proportion of coal ore input into the two guide assemblies is controlled, and the problem that in the prior art, coal ore cannot be conveyed to multiple places according to different proportions according to different conveying place conditions is solved.

Method and system for rapidly detecting landing overload of high-attitude skid undercarriage

The invention provides a high-attitude skid undercarriage landing overload rapid detection method and system, and relates to the technical field of intelligent detection.The method comprises the steps that the landing state of a high-attitude skid undercarriage during landing is obtained, and after total landing energy is obtained through simulation checking calculation, the simulated landing state of the high-attitude skid undercarriage is obtained; and judging whether the simulated landing state of the high-attitude skid undercarriage is greater than or equal to a preset simulated landing critical load value of the high-attitude skid undercarriage, if so, performing deviation adjustment on the landing state of the high-attitude skid undercarriage, and ensuring safe landing of the high-attitude skid undercarriage according to an adjustment result. According to the invention, the technical problem that overload exists when the high-attitude skid undercarriage is landed due to insufficient ...

Safe power distribution and relay selection method in Internet of Things with unknown eavesdropping cognition

The invention provides a safe power distribution and relay selection method in the cognitive Internet of Things with unknown eavesdropping, which comprises the following steps: establishing a cognitive relay network based on the Internet of Things, the cognitive relay network comprising an Internet of Things secondary transmitter IoT-ST, an Internet of Things secondary receiver IoT-SD, a main user PU, an eavesdropper Eve and N + 1 alternative relays IoT-R; the transmission process is divided into two stages: in the first stage, the IoT-ST transmits confidential signals to all alternative relays through local connection; in the second stage, power distribution and optimal relay selection are carried out, the selected forwarding relay forwards confidential information to a secondary receiver IoT-SD of the Internet of Things, and the other N alternative relays serve as friendly jammers, emit artificial noise and intentionally mix Eve. According to the method, the secrecy interruption probability ...

METHOD AND SYSTEM FOR REALIZING CONCURRENT ACCESS OF MULTI-KINDS OF BEARER PROTOCOLS ON MACHINE-TO-MACHINE (M2M) PLATFORM

A method and system for realizing concurrent access of multi-kinds of bearer protocols on Machine-to-Machine (M2M) platform are provided, the method includes that: after receiving an uplink message from a terminal, an access module of M2M platform judges the bearer type of the uplink message, obtains the corresponding key information of the bearer type, and encapsulates the key information and the original message of the uplink message into an internal message and transmits the internal message to a service module of M2M platform; after completing the service processing flow according to the internal message, the service module encapsulates the message reply content and the key information into a downlink message and transmits the downlink message to the access module, after receiving the downlink message, the access module distributes the downlink message to the corresponding terminal according to the key information therein. Using the concurrent access method and system of the present ...

DOUBLE-LAYER MATERIAL DISTRIBUTING DISK STRUCTURE FOR THREE-GRAIN SEPARATION POWDER CONCENTRATOR

A double-layer material distributing disk structure for a three-grain separation powder concentrator, comprising: a main shaft (1), an upper wheel disk (2) being provided at the lower end of the main shaft (1), several upper material distributing blades (3) being provided on the upper wheel disk (2), a lower wheel disk (5) being provided at the lower end of the upper wheel disk (2) by means of a connection pipe (4), several lower material distributing blades (6) being provided on the lower wheel disk (5), and the upper end of the connection pipe (4) being connected to the upper wheel disk (2) by means of a bolt (7). Said structure enables medium-grained powders to rise again so as to enter a powder concentration area for powder concentration, reducing the content of fine powders in the medium-grained powders, improving the powder concentration efficiency of a three-grain separation powder concentrator.

METHOD, APPARATUS AND SYSTEM FOR BANDWIDTH DYNAMIC ALLOCATION

A method for bandwidth dynamic allocation, comprises: determining the channel bandwidth need for voice cluster signals; according to the channel bandwidth need for voice cluster signals, allocating channel bandwidth resources from the total channel bandwidth resources of a private network to a cluster communication device to transmit voice cluster signals; allocating the residual channel bandwidth resources of the private network to an Ethernet data transmission device; when the channel bandwidth currently allocated to the Ethernet data transmission device changes, notifying the Ethernet data transmission device to adjust the Ethernet data transmission rate according to the channel bandwidth currently allocated. The present invention also provides another method for bandwidth dynamic allocation, a transmitting device, a receiving device and a communication system correspondingly.

STANNATE FLUORESCENT MATERIAL AND METHOD FOR PREPARING SAME

The present invention provides a stannate fluorescent material. A molecular formula is A2-xSnO4:Eux@SnO2@My. A is selected from one of Ca, Sr, and Ba elements; M is selected from one of Ag, Au, Pt, Pd, and Cu metal nanoparticles; 0 Подробнее

Separated micro turbojet engine

The invention discloses a separated micro turbojet engine which comprises an axial flow compressor, a combustion chamber unit body, a stator casing, a generator, a bearing, a rotating shaft and a double-sided rotor, the rotating shaft penetrates through the axial flow compressor, the stator casing is arranged in the axial flow compressor, the generator and the bearing are arranged in the stator casing, and the double-sided rotor is arranged on the rotating shaft in a sleeving mode; the axial flow compressor pressurizes the air flow, and all parts in the stator casing can be cooled through flowing of the air flow, so that the difficulty of cooling work of the bearing and the generator is reduced. The input airflow pressure ratio in the combustion chamber unit body is increased, and the combustion efficiency is greatly improved; air flow generated by combustion blows the double-face rotor, the double-face rotor rotates to continuously pressurize the air flow, and the working requirement for ...

Human anti-IL-1R3 antibody and application thereof

The invention relates to the technical field of genetic engineering antibodies, in particular to a human anti-IL-1R3 antibody and application thereof. According to the invention, a human antibody specifically aiming at the IL-1R3 is designed, and inflammation generation and the progress of related diseases are rapidly and efficiently controlled by blocking an immune response pathway mediated by the IL-1R3.

Long-life copper etching solution and preparation method thereof

The invention relates to a long-life copper etching solution and a preparation method thereof. The copper etching solution composed of the copper salt, the inorganic acid, the organic acid, the chelating agent, the surfactant, the inhibitor, the organic alkali and the deionized water is stable in etching rate, uniform in etching and longer in etching life in the process of etching copper and copper alloy. Anions in the inorganic acid and the organic acid can increase the solubility and the solubility of the copper complex in a solution, the stability of the etching solution is improved, and the etching service life of the etching solution is prolonged; the organic alkali in the etching solution can complex redundant copper ions in the etching solution, the etching rate is stabilized, the pH of the etching solution is adjusted, the stability of the etching solution is improved, and the etching life of the etching solution is prolonged.

TITANATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREOF

The present invention relates to a titanate luminescent material and preparation method thereof. The titanate luminescent material has the following general chemical formula: Ca1-xTi1-yO3: Prx, Ry@TiO2@Mz, wherein @ represents coating, Mz is a core, TiO2 is an intermediate shell; Ca1-xTi1-yO3: Prx, Ry is an outer shell, Prx and Ry are doped in Ca1-xTi1-yO3; R is at least one of Al and Ga, and M is at least one of Ag, Au, Pt, Pd and Cu metallic nanoparticles; 0＜x≤0.01, 0＜y≤0.20, z is the molar ratio between M and the element Ti in the titanate luminescent material, 0＜z≤1×10-2. The titanate luminescent material is formed into a core-shell structure by being doped with a charge compensation agent such as ions Al3+, Ga3+ and the like, and encapsulating metallic nanoparticles, thus effectively improving the luminous efficiency of the titanate luminescent material. Moreover, the titanate luminescent material has the advantages of good stability and good luminous performance, and thus can be used ...

LUMINESCENT MATERIALS DOPED WITH METAL NANO PARTICLES AND PREPARATION METHODS THEREFOR

The invention belongs to the field of luminescent materials. Disclosed are luminescent materials doped with metal nano particles and preparation methods therefor. The luminescent materials doped with metal nano particles are represented by the chemical formula: A5-x(PO4)2SiO4:xRE@My, wherein @ is for coating, M is inner core, M is one metal nano particle selected from Ag, Au, Pt, Pd and Cu; RE is one or two ions selected from Eu, Gd, Tb, Tm, Sm, Ce, Dy and Mn; A is one or two elements selected from Ca, Sr, Ba, Mg, Li, Na and K; x is stoichiometric coefficient, 0 Подробнее

Information processing method, device and equipment and computer readable storage medium

The invention belongs to the technical field of big data, and particularly discloses an information processing method, device and equipment and a computer readable storage medium. The method comprises the following steps: acquiring a plurality of pieces of job flow information; sequentially reading the multiple pieces of job flow information according to a first preset sequence, and determining a first state corresponding to each piece of job flow information; under the condition that the first state represents that the job flow information is abnormal job flow information, acquiring first log information corresponding to the abnormal job flow information; and sending the abnormal job flow information and the first log information to equipment corresponding to a target user. According to the information processing method provided by the embodiment of the invention, the user operation can be simplified, and the timeliness of abnormal job processing can be improved, so that the reliability ...

Oil-based rock debris degrading bacterium and complex microbial inoculant as well as culture method and application of oil-based rock debris degrading bacterium and complex microbial inoculant

The invention provides an oil-based rock debris degrading bacterium and a complex microbial inoculant as well as a culture method and application of the oil-based rock debris degrading bacterium and the complex microbial inoculant, the oil-based rock debris degrading bacterium comprises at least one of chelate-feeding bacteria, Pedestrian Bordetella and heterobiophile bacteria, the classification name of the chelate-feeding bacteria is Chelicivorans sp.SH6-2, and the preservation number of the chelate-feeding bacteria is CCTCC NO: M 2021290, and the preservation number of the complex microbial inoculant is CCTCC NO: M 2021290. The classification name of the Bordeella petrii WOCB-20 is the Bordeella petrii WOCB-20, and the preservation number of the Bordeella petrii WOCB-20 is CCTCC (China Center For Type Culture Collection) NO: M 20211089; the classification name of the heterotrophic biomass bacteria is Xenophilus aeratus WOCB-11, and the preservation number of the heterotrophic biomass ...

Application of ANRIL in preparation of diagnostic kit for cardiovascular diseases related to chronic kidney diseases

The invention discloses application of ANRIL in preparation of a diagnostic kit for cardiovascular diseases related to chronic kidney diseases, belongs to the technical field of chronic kidney disease diagnosis, and finds that expression of ANRIL in plasma of patients with chronic kidney diseases is increased, the expression level of ANRIL is negatively correlated with renal functions and vascular endothelial function states, and the cardiovascular diseases related to chronic kidney diseases are negatively correlated with the vascular endothelial function states. The severity of the cardiovascular lesion of the CKD patient can be reflected to a certain extent. Meanwhile, the effect and mechanism of the compound participating in mediating endothelial cell dysfunction are further discussed and verified. The examination method is simple and easy to implement, causes little trauma to a subject, has better compliance to the subject, and lays a theoretical foundation for research and development ...

AIR-GUIDE STRUCTURE OF ROTOR-TYPE POWDER CONCENTRATOR

An air-guide structure of a rotor-type powder concentrator, the air guide structure comprising: an upper cone part (1), a middle cone part (2), a lower cone part (3), and a cover plate (4) provided on the upper cone part (1). The air-guide structure of the rotor-type powder concentrator is of an S-shaped gapless structure, and the cover plate (4) is used for sealing at an uppermost side, thus decreasing the air leakage rate, and rotational wind is utilized to the greatest extent.

ZINC ALUMINATE MATERIAL AND METHOD FOR PREPARING SAME

The present invention provides a zinc aluminate fluorescent material. A molecular formula is Ζn1-xΑl2O4:Μnx@Al2O3@Μy. M is selected from one of Ag, Au, Pt, Pd, and Cu metal nanoparticles; 0 Подробнее

CORE-SHELL STRUCTURED SILICATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREFOR

A core-shell structured silicate luminescent material and a preparation method therefor. The molecular formula of the luminescent material is: MLn1-xSiO4:xRE@SiO2, where @ represents a coating, where M is one or two elements among Li, Na, and K, where Ln is one or two elements among Y, Sc, Lu, and La, where the value of x is 0 ≤ x ≤ 0.6, and where RE is one, two, or three elements among Tb, Gd, Sm, Eu, Dy, Ce, and Tm. The compositions of the luminescent material are all chemicals of increased chemical stability, and, when subjected to electron beam bombardment for an extended period, provide a stable matrix and do not decompose easily.

Electric cleaning brush

The invention discloses an electric cleaning brush which comprises a machine head assembly, a control handle, a locking piece and a base. The machine head assembly and the base are connected to the two ends of the control handle correspondingly, and the machine head assembly rotates with the joint of the machine head assembly and the control handle as the axis so as to adjust the orientation of the machine head assembly. The machine head assembly comprises a machine head shell, a machine head cover, a motor, a sealing piece and a fixing piece. The machine head cover is provided with a cavity, and the sealing piece is placed in the cavity. The machine head cover is provided with a first lock hole, and the lock piece penetrates through the first lock hole of the machine head cover to be connected to the machine head shell. The machine head cover extends in the direction opposite to the concave cavity to form a locking part, the locking part is in a blind hole shape, the fixing piece and the ...

SCANNING IMAGING SYSTEM AND SECURITY INSPECTION APPARATUS

Provided is a scanning imaging system, comprising: a scanning device (100) used for scanning an object to be scanned; a driving device (200) comprising a driving motor (201) and a movement assembly, the movement assembly being connected to the scanning device (100); the movement assembly being driven by the driving motor (201) to drive the scanning device (100) to move, wherein the movement assembly is provided with several braking parts (204) sequentially arranged, and the braking parts (204) are started one by one according to a preset sequence when the scanning device (100) moves, so that the scanning device (100) pauses at a preset position, and scans the object to be scanned at the preset position. The triggering of the braking parts (204) does not depend on external environment conditions, and the movement of the scanning device (100) can be relatively accurately controlled, achieving the purpose of improving the accuracy of fixed angle range or omni-directional scanning. Further ...

Holographic intelligent outdoor solid-sealed installation cabinet for medium-voltage vacuum circuit breaker

The invention relates to the technical field of holographic intelligent medium-voltage vacuum circuit breakers, in particular to an outdoor solid-sealed installation cabinet of a holographic intelligent medium-voltage vacuum circuit breaker. According to the technical scheme, the circuit breaker comprises a shell, a shell cover is arranged on one side of the shell, a circuit breaker component is arranged in the shell, one end of a contact on the circuit breaker component penetrates through the shell cover and extends out of the shell, and a clamping mechanism used for disassembling and assembling the shell cover is arranged at the top end of the joint of the shell and the shell cover. And a moisture-proof mechanism for improving the dryness of the interior of the shell is arranged on one side of the circuit breaker component in the shell, and the moisture-proof structure has the following beneficial technical effects that the shell cover is convenient to disassemble and assemble through ...

Testing device for simulating load effect at hub of wind driven generator

The invention provides a test device for simulating a load effect at a hub of a wind driven generator. The test device comprises a first fixing table with a first fixing surface; a bending moment applying mechanism is arranged on the first fixed surface, the bending moment applying mechanism is provided with a bending moment applying end, and the bending moment applying end can rotate around a first axis and can move in the extending direction of the first axis; a first rotary driving piece is arranged at the bending moment applying end; the main shaft is provided with a first output shaft and can rotate around a second axis, the second axis is perpendicular to the first axis, the first output shaft is connected with a main shaft coupler, the end, relatively away from the first output shaft, of the main shaft coupler is connected with a main shaft extending in the first direction, and the first direction is parallel to the extending direction of the second axis; according to the wind power ...

Method for automatically verifying monitoring information of auxiliary control system of transformer substation

The invention discloses an automatic verification method for monitoring information of an auxiliary control system of a transformer substation, and the method comprises the steps: obtaining reported regulation and control real-time data and alarm direct transmission information, extracting and calling key elements of the real-time data, and verifying whether the format of the alarm direct transmission information accords with a regular expression description rule or not; the alarm information identification matching adopts a bidirectional maximum word segmentation matching algorithm; the realization of centralized monitoring information analysis utilizes a bidirectional maximum word segmentation matching algorithm to compare the matching similarity to determine whether the matching succeeds or not; the centralized monitoring information is analyzed, and the standardization of the alarm information of the equipment is checked. A bidirectional maximum word segmentation matching algorithm ...

State logic circuit and electronic equipment

The invention discloses a state logic circuit and electronic equipment. The state logic circuit comprises a memristor group and a voltage stabilization module. The memristor group comprises a plurality of memristors which are connected in parallel; the bottom electrodes of the plurality of memristors are connected together to form a common node of the memristor group; the voltage stabilization module comprises a pull-up network, a pull-down network and a first phase inverter which are connected in pairs, and the pull-up network, the pull-down network and the first phase inverter are respectively connected with the common node. According to the state logic circuit provided by the embodiment of the invention, through a mode of combining the voltage stabilization module and the memristor group, the stability of the switching characteristic of the memristor is improved; by utilizing the characteristics that the voltage stabilization module can rapidly turn over and can set different turn-over ...

INFORMATION PROCESSING METHOD AND DEVICE BASED ON INTERNET OF THINGS

Disclosed in the embodiments of the present patent are an information processing method and device based on the Internet of Things. The method completes verification of the identity of a user according to collected biometric information concerning the user, on the basis of a first device and a server device which can perform information interaction by means of the Internet of Things. The first device is not a mobile terminal device, but is an Internet of Things device, such that the user does not need to carry the user's own mobile terminal. Compared with the prior art, the method provided by the present patent is more convenient and safer.

STANNATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREOF

A stannate luminescent material, having the general molecular formula of Ln2-xEuxSn2O7@SnO2@My, wherein Ln is selected from one of Gd, Y and La; M is selected from at least one of Ag, Au, Pt, Pd and Cu metallic nanoparticles; 0＜x＜1.5; y is the ratio between the molar mass of M and the sum of the molar mass of Sn in Ln2-xEuxSn2O7 and the molar mass of Sn in SnO2@My, 0＜y≤1×10-2; and @ represents coating; the stannate luminescent material uses M as a core, SnO2 as an inner shell, and Ln2-xEuxSn2O7 as an outer shell. The stannate luminescent material is formed into a core-shell structure through the coating of at least one of Ag, Au, Pt, Pd and Cu metallic nanoparticles. The metallic nanoparticles improve the internal quantum efficiency of the luminescent material, thus enabling the stannate luminescent material to have a relatively high luminous intensity.

CHARACTER INPUT PROCESSING METHOD, DEVICE AND MOBILE TERMINAL

Disclosed are a character input processing method, device and mobile terminal, applied in a mobile terminal in voice connection status. The mobile terminal comprises an application processing module and a communication module, and is used to improve the character input flexibility and processing efficiency of the mobile terminal in voice connection status. The character input processing method comprises: when the application processing module detects a multi-character input mode, receiving the inputted characters; when all the inputted characters are received, the application processing module parses all the received inputted characters into single characters; sequentially transmitting each parsed character to the communication module; and the communication module sequentially transmits each character to a network side.

SILICATE LUMINESCENT MATERIALS DOPED WITH METAL NANO PARTICLES AND PREPARATION METHODS THEREFOR

The invention belongs to the field of luminescent materials. Disclosed are silicate luminescent materials doped with metal nano particles and preparation methods therefor. The silicate luminescent materials doped with metal nano particles are represented by the chemical formula: MLn1-xSiO4:xRE,yA, wherein M is one or two elements selected from Li, Na and K; Ln is one or two elements selected from Y, Sc, La and Lu; A is a metal nano particle selected from Ag, Au, Pt, Pd and Cu; RE is one or two ions selected from Eu, Gd, Tb, Tm, Sm, Ce and Dy; 0 Подробнее

SECURITY CHECK SYSTEM AND SECURITY CHECK METHOD

A security check system (100, 200, 300) and a security check method. The security check system (100, 200, 300) comprises: a main body frame (11, 21, 31), at least two groups of switched antenna arrays (12, 22, 32), a scan driver (13, 23, 33), a rotary table (14, 35), and a controller (15, 26, 36). The at least two groups of switched antenna arrays (12, 22, 32) is provided on a side of the main body frame (11, 21, 31). The rotary table (14, 35) is provided at the bottom of the main body frame (11, 21, 31). When an object to be checked is on the rotary table (14, 35), the controller (15, 26, 36) controls the rotary table (14, 35) to rotate. The scan driver (13, 23, 33) is configured to drive the at least two groups of switched antenna arrays (12, 22, 32). The at least two groups of switched antenna arrays (12, 22, 32) are configured to scan the object to be checked to obtain a scanned image. The security check system (100, 200, 300) drives the objected to be checked to rotate by controlling ...

Damping self-exhausting type air hammer device

The utility model discloses a damping self-exhaust type air hammer device, which relates to the technical field of air hammers and comprises a frame, a working cylinder is fixedly connected to the upper top end of the frame, and a piston is slidably connected to the interior of the working cylinder. According to the damping self-exhausting type air hammer device, the rack, the working air cylinder, the piston and the hammer head are arranged, the piston drives the hammer head to move downwards through the hammer rod, so that impact on metal parts can be achieved, and by arranging the hinge rod, the sliding groove, the spring plate and the sliding block, when the rack descends, the hinge rod can be extruded downwards, the hinge rod can extrude the sliding block, and the sliding block can extrude the spring plate; through the arrangement of the sliding rod, the spring strip and the inserting rod, when the rack descends, the sliding rod moves downwards, so that the inserting rod extrudes the ...

Satellite access permission policy acquisition method and device, and storage medium

The invention discloses a satellite access permission policy acquisition method and device and a storage medium. The method comprises the following steps: a first network function obtains initial satellite access permission information of a terminal, the initial satellite access permission information comprises at least one of first information, second information and third information, the first information is satellite access permission subscription information of a terminal user, and the second information is satellite access permission subscription information of the terminal user; the second information is satellite access permission policy information based on an international agreement, and the third information is satellite access permission policy information based on satellite resources; the current satellite access permission strategy of the terminal is generated based on the initial satellite access permission information, and the current satellite access permission strategy ...

Monitoring information master station verification method and system

The invention discloses a monitoring information master station verification method and system. The method comprises the following steps: constructing a monitoring information master station verification system; monitoring information is expanded to check an automatic closed-loop joint debugging request message, and establishment and termination of an automatic closed-loop joint debugging function between a dispatching master station and a transformer substation integrated automation system are achieved; dividing a signal flow in a monitoring information master station verification system into an uplink signal and a downlink signal; and the expansion monitoring information checks the automatic closed-loop joint debugging data message. In order to ensure the accuracy and timeliness of signal automatic checking work, a full-closed-loop scheme is adopted, and full-closed-loop transmission of signals from a station-end automatic acceptance system to a telecontrol machine to a master station ...

Metal detection device

The invention relates to the technical field of steel production, in particular to a metal detection device which comprises a support. The first detection mechanism is arranged on the bracket and comprises a first supporting plate and a first metal detector arranged on the first supporting plate; and the second detection mechanism is arranged on the bracket, is positioned below the first detection mechanism, and comprises a second supporting plate and a second metal detector arranged on the second supporting plate. The height of the first metal detector and the height of the second metal detector are increased through the support, and damage to the first metal detector and the second metal detector due to the fact that the first metal detector and the second metal detector are directly arranged on a production line is reduced. Due to the double-insurance arrangement of the first metal detector and the second metal detector, under the condition that one metal detector breaks down, the other ...

ELECTRICALLY SCANNED ARRAY ANTENNA DEVICE APPLIED TO MILLIMETER WAVE IMAGING SYSTEM

The present invention relates to an electrically scanned array antenna device applied to a millimeter wave imaging system. The electrically scanned array antenna device comprises an adjustable light source for outputting an optical signal with an adjustable wavelength; an electro-optical modulation module; an optical coupler; a time delay module for performing optical delay of different durations on each modulated signal, and correspondingly changing the duration of the optical delay according to the wavelength of the optical signal to obtain modulated signals of different phases; an optical detector; and an array antenna. The millimeter wave is loaded on the optical signal with an adjustable wavelength to obtain a modulated signal; the modulated signal is divided into multiple signals; time delay of different durations is performed on each signal; and millimeter wave signals of different phases are obtained after demodulation and are simultaneously transmitted to scan an object to be measured ...

Bottle lid of built -in material of flavouring

... 本实用新型涉及一种盛水容器的瓶盖，更具体的说是一种内置调味材料的瓶盖，包括瓶盖主体，其特征在于：所述瓶盖主体上设置有防滑的外螺纹条、内置腔室、中空套管、连接件、转动条和一端带有尖头的直杆，可以防止瓶盖在运输过程中受到挤压而影响隔挡片的刺破情况的发生，瓶盖外表面设置有外螺纹条，可以起到防滑作用。外螺纹条设置在瓶盖主体的外表面。内置腔室设置在瓶盖主体的中间部位，并且位于瓶盖主体的内部。连接件与瓶盖主体连接，转动条设置在连接件上。直杆的上端安装在连接件上，直杆的下端设置在中空套管中。 ...

Tire inflation safety protection instrument

... 本实用新型公开了种轮胎充气安全防护工具，该防护工具包括横梁、卡槽，横梁上设有个吊环和拉杆，拉杆有两个，并且都带有耳环，卡槽是通过拉杆与横梁连接。此防护工具主要用于防止轮胎因气压增强轮胎膨胀而致使轮辋上钢圈弹出造成人身伤害的现象。 ...

Handwritten Chinese recognition method based on multi-scale feature fusion dilated convolutional network

The invention belongs to the technical field of recognition methods, and particularly relates to a handwritten Chinese recognition method based on a multi-scale feature fusion cavity convolutional network, and the method comprises the steps: taking a CASIA-HWDB1.1 data set as a model training and testing data set; carrying out binarization and normalization processing on the data; processing the data label to obtain a data label in an One-Hot form for the network to train; dividing the data into a plurality of training set-test set combinations by using a K-fold crossing method; constructing an identification network; performing parameter optimization training on the network by using the training set data; obtaining an optimal model by using a plurality of data sets obtained by K-fold crossing; and evaluating the model by using the accuracy rate, the recall rate and the F1-Score. According to the method, the handwritten character recognition model is constructed based on the deep neural ...

POWER TOOL

Disclosed is a power tool (100), comprising: a power assembly (12) comprising a motor (121), the motor (121) comprising a motor shaft (121a) rotating about a motor axis; an output assembly (14) comprising an output shaft (141); a transmission assembly (13); a first casing (111); and a second casing (112), wherein the power tool (100) is provided with a first vibration isolation plane (171) and a second vibration isolation plane (172), a first vibration isolation block (173) is provided on the first vibration isolation plane (171), and a second vibration isolation block (174) is provided on the second vibration isolation plane (172); the entirety composed of the first vibration isolation block (173) and the second vibration isolation block (174) has at least a separation portion (17a) provided between the first casing (111) and the second casing (112), and the second casing (112) is separated from the first casing (111) at the separation portion (17a); and the first vibration isolation block ...

FLEXIBLE DISPLAY SCREEN AND TERMINAL COMPRISING DISPLAY SCREEN

A flexible display screen and a terminal comprising the display screen. The flexible display screen comprises: a display layer (410) and a support layer (420); the support layer (420) is located on a back face of the display layer (410) so as to increase the rigidity of the display screen; the support layer (420) comprises at least one bending area (4201) and at least one non-bending area (4202); and the bending area (4201) may bend or warp relative to the non-bending area (4202) so that the support layer (420) bends or warps.

Natural gas forging heating furnace

The utility model provides a natural gas forging heating furnace and relates to the technical field of heating furnaces. The natural gas forging heating furnace comprises a combustion furnace body, a gas pipe, an ignition device and a gas nozzle, the bottom end in the combustion furnace body is fixedly connected with a placement net, the right side face of the combustion furnace body is fixedly communicated with a material taking box, and the left side face of the combustion furnace body is fixedly communicated with a pre-box; the side face, away from the combustion furnace body, of the material taking box and the side face, away from the combustion furnace body, of the pre-box are fixedly communicated with square pipes. According to the natural gas forging heating furnace, by arranging the electric push rod, the connecting rod, the rotating wheel, the sliding groove, the furnace door, the first fixing block, the connecting belt and the second fixing block, the safety of worker operation ...

Construction device and construction process for external wall heat-insulation decorative plate

The invention relates to the technical field of external wall thermal insulation decorative plate construction, in particular to an external wall thermal insulation decorative plate construction device which comprises a bottom plate, a push rod is fixedly connected to one side of the top surface of the bottom plate, braking universal wheels are mounted on the bottom surface of the bottom plate, two fixing plates are fixedly connected to the bottom surface of the bottom plate, and two connecting rod telescopic mechanisms are mounted between the two fixing plates. A top plate is mounted at the top of the connecting rod telescopic mechanism, a climbing ladder is mounted on the side face of the top plate, a hollow movable plate is hinged to one side of the top face of the top plate through a hinge plate, two adjusting mechanisms for driving the hollow movable plate to rotate are mounted on the top face of the top plate, and a clamping mechanism is mounted in the hollow movable plate. According ...

Monoterpenoid indole alkaloid compound as well as preparation and application thereof and medicine

The invention relates to a novel monoterpene indole alkaloid compound as well as an application and a preparation method of the novel monoterpene indole alkaloid compound. The novel compound (Uncariphylin A) provided by the invention is obtained by extracting and separating from a traditional Chinese medicine uncaria of Rubiaceae uncaria, and is monoterpene indole alkaloid with a 6/5/6/7 tetracyclic structure. Bioactivity experiments show that the alkaloid compound has double antagonistic activities including dopamine D2 receptor antagonistic activity and Mu opioid receptor antagonistic activity, and can be used in drugs for prevention and treatment of diseases such as schizophrenia, Parkinson's disease, depression and the like related to dopamine D2 and Mu opioid receptors.

Assembly wall

The embodiment of the invention discloses an assembly wall. The assembly wall comprises a first fixing piece, a second fixing piece, a plurality of vertical keels, a wallboard module and a veneer. The first fixing piece and the second fixing piece are arranged at an interval and are fixedly arranged, and the second fixing piece is provided with a guide assembly. The multiple vertical keels are arranged between the first fixing piece and the second fixing piece at intervals in the first direction, the vertical keels are detachably connected between the first fixing piece and the guide assembly, and a mounting position is defined by every two adjacent vertical keels, the corresponding first fixing piece and the corresponding guide assembly. The wallboard modules can be arranged in the mounting positions and can be detachably connected to the two vertical keels forming the mounting positions and the guide assemblies at the same time. The veneers are detachably connected to the wallboard modules ...

Regulation and control method for boiling phase change behavior of liquid drops on solid surface and spray cooling system

The invention relates to the technical field of phase change heat transfer, in particular to a method for regulating and controlling the boiling phase change behavior of liquid drops on the solid surface and a spray cooling system, a solution containing a surfactant serves as a working liquid drop, and the boiling phase change behavior of the working liquid drop is regulated and controlled by regulating and controlling the concentration of the surfactant and the structure of a substrate. The spray cooling system comprises an atomization module, a heat-conducting medium module and a data control module, wherein the atomization module is used for constructing atomized liquid drops; and one side of the heat-conducting medium module is used for receiving the atomized liquid drops, and the other side of the heat-conducting medium module is used for being in contact with a to-be-cooled workpiece to cool the to-be-cooled workpiece. The bubble growth and distribution of the solid-liquid interface ...

Color steel plate roof structure

The invention discloses a color steel plate roof structure which comprises a color steel plate roof, a fabric sunshade net and a water spraying system, and the fabric sunshade net covers the surface of the color steel plate roof; the water spraying system is used for spraying water to the fabric sunshade net; when water is sprayed on the fabric sunshade net, the fabric sunshade net is attached to the surface of the color steel plate roof, and therefore the fabric sunshade net absorbs solar radiation and heat of the color steel plate roof. According to the technical scheme, due to the capillary effect of the fabric sunshade net, water is evenly distributed on the whole fabric sunshade net, the fabric sunshade net absorbing the water can be tightly attached to the color steel plate roof, then a layer of evenly-breathable fabric film is formed on the color steel plate roof, solar radiation is absorbed through the fabric film with the water, and heat is dissipated through evaporation; therefore ...

MATERIAL STIRRING DEVICE OF HORIZONTAL DRYING MACHINE

A material stirring device of a horizontal drying machine capable of effectively prolonging heat exchange time between materials and hot air, comprising: a base (1), rolling support wheels (2) provided on the base (1), a barrel body (3) supported on the rolling support wheels (2) of the drying machine, a wheel belt (4) provided on the outer side of the barrel body (3) of the drying machine, and a plurality of material raising plates (5) provided on the inner side of the barrel body (3) of the drying machine, wherein a central barrel body (7) is arranged in the barrel body (3) of the drying machine by means of three connection rods (6), and a plurality of material stirring vanes (8) is provided on the central barrel body (7). The material stirring device of the horizontal drying machine can effectively prolong the heat exchange time between the materials and the hot air, and improve the drying efficiency of the drying machine.

DATA PACKET TRANSMISSION METHOD, DEVICE AND COMMUNICATION SYSTEM

A data packet transmission method, a device and a communication system are provided. The method comprises the following steps: storing data packets into transmission cache area (S201); obtaining the time-to -live of data packets in transmission cache area (S202); insofar as determining that the triggering criteria is met, processing the data packets in the transmission cache area according to the time-to-live of the data packets (S203); transmitting the processed data packets in the transmission cache area (S204).

Power distribution network elasticity evaluation method

The invention discloses a power distribution network elasticity evaluation method. The method comprises the steps of determining an evaluation factor set; determining an evaluation grade set; establishing a fuzzy relation matrix according to the evaluation factors and the evaluation grade set; calculating the comprehensive weight of each index to form an evaluation factor weight vector; and through fuzzy operation, synthesizing the index weight vector and a fuzzy relation matrix reflecting the membership relation of each index to the evaluation result to obtain a fuzzy comprehensive evaluation result vector. The method comprises the following steps: determining an incidence relation between evaluation indexes by integrating a correlation analysis result based on a model and data, constructing a power distribution network elasticity evaluation index system based on a network hierarchical structure through a network hierarchical analysis method, realizing index comprehensive weighting based ...

AUTOMATIC TEST SYSTEM AND METHOD FOR SECURITY CHECK INSTRUMENT, AND DEVICE HAVING STORAGE FUNCTION

An automatic test system (10) and method for a security check instrument, and a device having a storage function. The system comprises: a touch tool (101) and a controller (102) connected to each other, the controller (102) being connected to the security check instrument (20); the controller (102) is configured to control the touch tool (101) to touch an input device (201) of the security check instrument (20) so as to input a control instruction to the security check instrument (20), and to obtain operation result data of the security check instrument (20) to test whether the security check instrument (20) operates normally. In this way, the test of the security check instrument (20) can be automatically completed. Compared with software simulation touch, use of the touch tool (101) for actual touch has higher accuracy.

HALO-SILICATE LUMINESCENT MATERIALS AND PREPARATION METHODS THEREOF

Halo-silicate luminescent materials and preparation methods thereof are provided. The said luminescent materials are represented by the following general formula: (Ba1-yAy)2-xSiO4:Eux, Dz@Mn, wherein A is selected from one or two of Sr, Ca, Mg or Zn, D is selected from one of F or Cl, M is selected from at least one of Ag, Au, Pt, Pd or Cu metal nano-particles; @ is coating; (Ba1-yAy)2-xSiO4:Eux, Dz is shell; 0.001 Подробнее

Wind-resistant electric iron tower

The invention relates to the technical field of electric power transmission towers, in particular to a wind-resistant electric power iron tower which comprises a base, a top fixing table and a vertical steel frame, the vertical steel frame is fixedly mounted at the top of the base, and the top fixing table is fixedly mounted at the top end of the vertical steel frame. Before concrete is not completely hardened, an external threaded cylinder is screwed into a threaded hole, an inserting rod and a spiral plate are driven to rotate at the same time in the continuous screwing-in process of the external threaded cylinder, the spiral plate is drilled into the concrete, then an inserting plate is communicated with a fixing plate to be inserted into an inserting groove, and in the continuous downward inserting process of the inserting plate, the spiral plate is inserted into the inserting groove. The forking plates diverge outwards under the action of the guide blocks, a plurality of blocking strips ...

Intelligent substation secondary system fault accurate positioning method

The invention discloses an intelligent substation secondary system fault accurate positioning method. The method comprises the steps of obtaining an SCD description file, a GOOSE message and an SV message of operation of an intelligent substation, and confirming the operation state of the intelligent substation; counting the operation data of the secondary system of the intelligent substation, and classifying and integrating different types of data; normalizing and integrating the operation data of the intelligent substation and the data in the data archive; and constructing a fault detection model, and performing training according to fault data. According to the invention, the fault node can be quickly and accurately positioned, the fault diagnosis and repair efficiency is improved, the downtime and maintenance cost of the power system are reduced, and the reliability and safety of the power grid are further improved. Meanwhile, the method also provides valuable data support for operation ...

Power distribution network operation risk assessment method and device

The invention discloses a power distribution network operation risk assessment method and device, and the method comprises the steps: constructing a power connection network according to an actual power distribution network, and setting the line weight of each line in the power connection network at different moments; obtaining the average power grid connectivity when each node in the power connection network fails, and evaluating the stability of the power connection network; when the electric power contact network has an operation fault, risk assessment is carried out; according to the method, the power grid topological structure is utilized to construct the power connection network, the operation condition of each node in the power connection network is monitored, and when the monitored data shows that each node has a fault, risk assessment is performed on the power connection network according to the influence of the node in the power connection network and the operation data before ...

Crystal bar testing equipment and method for testing electrical properties of crystal bar

The embodiment of the invention provides crystal bar testing equipment and a crystal bar electrical property testing method. The crystal bar testing equipment comprises a transportation mechanism; one end of the clamping mechanism is connected with the conveying mechanism, the clamping mechanism is provided with a clamping end, the clamping end is used for clamping the electrical detection equipment, and the position of the clamping mechanism relative to the conveying mechanism can be adjusted, so that the clamping end reaches a detection station, and the electrical detection equipment detects the crystal bar located at the detection station; and after the detection is completed, the clamping end leaves the detection station. According to the embodiment of the invention, the efficiency of electrical performance detection of the crystal bar can be improved and the error of the detection result can be reduced.

Deep learning assisted OFDM (Orthogonal Frequency Division Multiplexing) channel estimation and signal detection method

The invention relates to the field of high-speed wireless communication, in particular to a deep learning-assisted OFDM (Orthogonal Frequency Division Multiplexing) channel estimation and signal detection method, which comprises the following steps of: firstly, generating a data set through an OFDM system, then constructing a channel estimation model by utilizing a self-normalization network (SNN), and constructing a signal detection model by utilizing a convolutional neural network (CNN) and a bidirectional gating cycle unit (BiGRU); the method comprises the steps that firstly, a data set is input into a neural network, a model is trained, an Adam optimizer and a mean square error loss function are adopted to optimize the network, and finally the network is compared with LS, BiLSTM, GRU and DNN + BiLSTM models. According to the invention, the problems of low channel estimation and signal detection precision, serious network loss and poor bit error rate performance in an OFDM system with ...

THREE-DIMENSIONAL SCANNING APPARATUS

Disclosed is a three-dimensional scanning apparatus used for security scanning, and comprising a scanning mechanism (100) used for scanning and a driving mechanism (200) used for driving the scanning mechanism (100) to rotate, wherein the scanning mechanism (100) comprises a turntable (101) and a probe mounted on the turntable (101) and used for scanning, the driving mechanism (200) comprises a torque output device (201) and a rotating member (202) connected to the torque output device (201), the rotating member (202) is fixedly connected to the turntable (101), the torque output device (201) drives the rotating member (202) to rotate, and the rotating member (202) drives the turntable (101) to rotate.When the three-dimensional scanning apparatus is in operation, the torque output device (201) drives the rotating member (202) to rotate, the rotating member (202) drives the turntable (101) and the probe to rotate, realising three-dimensional scanning, which can improve the reliability of ...

Application of Ni3P/SiO2 catalyst in DBD plasma methane dry reforming

The invention belongs to the technical field of methane dry reforming catalysis, and discloses an application of a Ni3P/SiO2 catalyst in DBD plasma methane dry reforming. Compared with a traditional Ni/SiO2 catalyst, the Ni3P/SiO2 catalyst provided by the invention has remarkable advantages in CH4/CO2 conversion rate, H2/CO product selectivity and catalyst stability in a DBD plasma methane dry reforming reaction. Experimental results show that the Ni3P/SiO2 catalyst can effectively solve the problems of low activity, easy inactivation and the like of the traditional Ni-based catalyst at present, and an efficient catalyst with industrialization potential is provided for DBD plasma concerted catalysis DRM reaction at the present stage.

ZINC ALUMINATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREOF

Provided is a zinc aluminate luminescent material, having the general molecular formula of Zn1-xAl2O4：A3+X@Al2O3@My, wherein M is selected from at least one of Ag, Au, Pt, Pd and Cu metallic nanoparticles; 0＜x≤0.1; y is the ratio between the molar mass of M and the sum of the molar mass of Al in Zn1-xAl2O4：A3+Xand the molar mass of Al in Al2O3@My, 0＜y≤1×10-2; @ represents coating; the zinc aluminate luminescent material uses M as a core, Al2O3 as an inner shell, and Zn1-xAl2O4：A3+Xas an outer shell. The zinc aluminate luminescent material is a core-shell structure using at least one of Ag, Au, Pt, Pd and Cu metallic nanoparticles as a core, Al2O3 as an inner shell, and Zn1-xAl2O4：A3+Xas an outer shell. The metallic nanoparticles improve the internal quantum efficiency, thus enabling the zinc aluminate luminescent material to have a relatively high luminous intensity. Moreover, also provided is a preparation method of the zinc aluminate luminescent material.

Satellite access permission policy updating method and device and storage medium

The invention discloses a satellite access permission policy updating method and device and a storage medium. The method comprises the following steps: in response to a new satellite access permission strategy of a roaming domain, sending a first update message to a terminal; wherein the first update message carries the new satellite access permission policy. According to the embodiment of the invention, the updating message used for updating the roaming domain satellite access permission strategy can be sent to the terminal based on the first network function or the second network function of the network side, so that the terminal can perform satellite access based on the newly received satellite access permission strategy, and satellite resources can be fully utilized; and the satellite access requirement of the terminal in an international roaming scene can be better met.

Dot matrix topological structure design method and system based on variable density method

The invention provides a dot matrix topological structure design method and system based on a variable density method, and the method comprises the steps: carrying out the topological modeling of an equivalent continuum structure on the basis of an equivalent elastic matrix obtained through the analysis and solving of equivalent performance, and obtaining a preliminary dot matrix topological model; and carrying out stress analysis on the initial dot matrix topology model, optimizing the initial dot matrix topology model by utilizing a variable density method, mapping material density information in the variable density method to each unit cell of the formed initial topology model, and adjusting the size of the unit cell to form an optimized dot matrix topology structure. The non-uniformly distributed porous structure can be actively constructed or designed, the structure is more reasonable, and the stress capacity is enhanced.

SILICATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREFOR

Provided is a silicate luminescent material and a preparation method therefor. The silicate luminescent material has a general chemical formula of Li2Ca1-xSiO4:Tbx,My, wherein Tb and M are doped in Li2Ca1-xSiO4, and Tb and M are doped particles; M is at least one of Ag, Au, Pt, Pd, and Cu metal nano particles; x has a value range of 0 Подробнее

MANGANESE-DOPED MAGNESIUM STANNATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREFOR

A manganese-doped magnesium stannate luminescent material, which has a molecular formula of: Mg2-xSnO4:Mnx@SnO2@My, where @ is a coating, where Mg2-xSnO4:Mnx is an outer shell layer, where SnO2 is an intermediate layer shell, where M is an inner core, where M is a metal nanoparticle, where M is at least one selected among Ag, Au, Pt, Pd, and Cu, where the value of x is 0 < x ≤ 0.05, where y is the molar ratio between M and Sn, and where the value of y is 0 < y ≤ 1×10-2. The manganese-doped magnesium stannate luminescent material is a core-shell structure luminescent material, has a high internal quantum efficiency, great luminescent intensity, and the advantages of great stability and great luminescent properties. A method for preparing the manganese-doped magnesium tannate luminescent material has simple processes, low equipment requirements, and no pollution, is easy to control and applicable for industrial production, and has a broad application prospect.

COUNTING METHOD AND DEVICE FOR TIME SLOT RESOURCE OCCUPATION

Disclosed are a counting method and device for time slot resource occupation. The counting method comprises: acquiring a port of an optical channel (OCH) layer service in a network management system, and acquiring the time slot total bandwidth, time slot configuration information and service type configuration information about the port when the port is an optical port; when the time slot total bandwidth is not zero and the port does not support a single service type configuration, according to the time slot configuration information, acquiring a used time slot bandwidth of a configured service in the port, and acquiring a difference between the time slot total bandwidth and the used time slot bandwidth as an available time slot bandwidth; and according to the used time slot bandwidth, the time slot total bandwidth and the service type configuration information, acquiring the number of services configured by the port for different service typesand the number of services capable of being ...

Digital intercom system

... 本实用新型涉及对讲机技术领域，特别是一种数字化对讲机系统，包括天线，所述天线分别与移动无线通信模块和对讲机无线通信模块相连接，所述移动无线通信模块通过AD/DA转换模块与手机中央处理模块相连接；所述对讲机无线通信模块通过音频AD/DA转换模块与手机中央处理模块相连接，音频AD/DA转换模块与扬声器、麦克风相连接；所述手机中央处理模块与PMU模块、FLASH存储器相连接。采用上述结构后，本实用新型在不妨碍打电话的前提下，轻松实现对讲机的单呼、群呼叫功能；另外，在此种方式下，在智能手机方案上只需要增加少量的成本就可以充分实现免费通话。 ...

SLUDGE DRYING COMPOSITE CONDITIONER AND APPLICATION METHOD THEREOF

Provided is a sludge drying composite conditioner. The sludge drying composite conditioner comprises a Fenton's reagent or/and Fenton-like reagent and a matrix construct, the weight ratio between the Fenton's reagent or/and the Fenton-like reagent and the matrix construct is 1:0.05 to 300, and the matrix construct is powder. Further provided is an application method of the sludge drying composite conditioner, which comprises the steps of: adding a Fenton's reagent or/and Fenton-like reagent in a sludge, performing stirring and mixing, and performing an oxidation reaction; and adding a matrix construct to the sludge added with the Fenton's reagent or/and Fenton-like reagent and performing stirring and mixing. For the sludge drying composite conditioner, through the coordinated effect of the Fenton's reagent or/and Fenton-like reagent and the powder matrix construct, the extracellular polymeric substances in the sludge are effectively damaged, the compressibility of organic matter is reduced ...

AIR GUIDE MATERIAL BLOCKING APPARATUS OF PULSE DUST REMOVER

Disclosed is an air guide material blocking apparatus of a pulse dust remover. The air guide material blocking apparatus may prolong the service life of a filter bag, and comprises a dust removing chamber, an ash cleaning chamber disposed on the upper end of the dust removing chamber, an air outlet connected to the ash cleaning chamber, an ash hopper disposed on the lower end of the dust removing chamber, and an air inlet connected to the ash hopper; and a first-stage air guide material blocking plate, a second-stage air guide material blocking plate, and a third-stage air guide material blocking plate are fixedly disposed inside the ash hopper. The advantages are that: impact of dust on the filter bag may be effectively blocked, the filtration efficiency of the filter bag is greatly enhanced, and the service life of the filter bag is prolonged.

SECURITY INSPECTION EQUIPMENT

Disclosed is security inspection equipment (10), comprising an inspection compartment (11), a defense mechanism (12) and an inspection mechanism (14), wherein the inspection compartment (11) is provided with a first inspection port (111) in communication with the interior of the inspection compartment (11); the defense mechanism (12) is used for closing the first inspection port (111) when a target (13) to be inspected enters the interior of the inspection compartment (11) for inspection and is in a state of danger; the first inspection port (111) comprises an inlet (1111) and an outlet (1112), the target (13) to be inspected enters the interior of the inspection compartment (11) through the inlet (1111) and is inspected; the defense mechanism (12) is used for closing the inlet (1111) and the outlet (1112) when the target (13) to be inspected is in a state of danger; and the inspection mechanism (14) is arranged inside the inspection compartment (11), so as to inspect the target (13) to ...

ELECTROMAGNETIC RADIATION DETECTING SYSTEM AND DETECTING METHOD

An electromagnetic radiation detecting system and detecting method, the electromagnetic radiation detecting system comprising: a receiving antenna (101), a spectrum analyzer (102) and a cable assembly (103); the receiving antenna (101) is connected to the spectrum analyzer (102) by means of the cable assembly (103); the receiving antenna (101) is used for receiving an electromagnetic radiation signal in a preset area when a security check device is operating; the spectrum analyzer (102) is used for analyzing the electromagnetic radiation signal so as to obtain signal parameters of the electromagnetic radiation signal and calculate the electromagnetic radiation power density of the security check device according to the signal parameters and the parameters of the receiving antenna (101). The accuracy of electromagnetic radiation detection by the security check device may be improved by means of the described method.

Oil and gas well two-liquid-method leaking stoppage method

The invention belongs to the technical field of oil exploration and development well drilling, and particularly relates to an oil and gas well two-liquid-method leaking stoppage method. The method comprises the following steps: pumping a leaking stoppage liquid A and a leaking stoppage liquid B which are thickened and solidified after reaction into a well hole containing a leakage channel, and separating the leaking stoppage liquid A and the leaking stoppage liquid B by using a spacer liquid C; the method is a single-pipe double-liquid leakage stopping method, and mutual contact and advanced thickening and solidification of leakage stopping liquid in the pumping process can be effectively avoided. The plugging fluid A and the plugging fluid B can make contact with each other when entering a well hole in a leakage channel and then enter a stratum leakage channel to be thickened and solidified, the contact opportunity of the two kinds of plugging fluid is increased, the plugging effect is ...

METAL NANOPARTICLE-COATING TITANATE FLUORESCENT MATERIAL AND PREPARATION METHOD THEREFOR

Provided in the present invention is a metal nanoparticle-coating titanate fluorescent material, which has a molecular formula of A1-x-yByTiO3:xR@SiO2@Mz, where A is one or two elements selected from Ca, Sr, Ba, and Mg, where B is one element selected from Li, Na, and K, where R is one or two elements selected from Eu, Gd, Tb, Tm, Sm, Ce, Dy, and Mn, where M is one selected from Ag, Au, Pt, Pd, and Cu nanoparticles, where 0 < x ≤ 0.40, where 0 ≤ y ≤ 0.40, where z is the molar ratio between M and SiO2, where 0 < z ≤ 1×10-2, where @ represents a coating, where M is a core, where SiO2 is an intermediate layer shell, and where A1-x-yByTiO3:xR is an outer layer shell. The metal nanoparticle-coating titanate fluorescent material forms a core-shell structure by introducing metal nanoparticles, while the metal nanoparticles generate a Plasmon resonance effect, thus increasing the internal quantum efficiency of the metal nanoparticle-coating titanate fluorescent material, which is provided with ...

Overhead door's safety device

... 本实用新型公开了一种升降门安全装置，包括自动缩回气缸、第一钢丝绳和第二钢丝绳和减速装置，减速装置包括轴承座、轴承、转轴、固定孔、第一转轮、第二转轮，第一转轮和第二转轮套在轴上通过键链接不能相对轴转动，第一钢丝绳和第二钢丝绳分别缠绕于第一转轮好第二转轮上，且缠绕方向相反。本实用新型的目的是提供一种能够在升降门出现链轮脱齿和钢丝绳断裂的情况下大门匀速下落，不会对人员带来伤害和对财产带来损失的升降门安全装置。 ...

High-strength high-temperature-resistant cable

The utility model discloses a high-strength high-temperature-resistant cable, which comprises a cable main body, and a short circuit prevention device is arranged in the cable main body. The short circuit prevention device comprises protection layers, insulation cores are arranged in the protection layers, rubber belts are fixedly connected to the faces, close to one another, of the four protection layers, the rubber belts are in a cross shape, and connecting belts are fixedly connected into grooves formed in the outer side faces of the rubber belts. According to the high-strength and high-temperature-resistant cable, the deformation resistance of the cable main body is improved through the deformation resistance of the rubber belt, the strength of the cable main body is improved, the connecting belt is arranged between the two insulating cores, contact between the insulating cores can be prevented when the cable main body deforms, and the cable main body is prevented from being damaged ...

Abrasive water jet grinding wheel grinding waste liquid recycling and filtering device

An abrasive water jet grinding wheel grinding waste liquid recycling and filtering device belongs to the technical field of grinding waste liquid recycling and is composed of a waste liquid recycling box, a waste liquid collecting barrel, a first-stage filter screen, a second-stage filter screen, a filter screen cleaning window and a third-stage spherical filter. Wherein the waste liquid recycling box comprises a liquid inlet, a box body cleaning window, a sediment overflow groove, a sand discharging opening, an overflow pipe and a bottom supporting column, and the third-stage spherical filter comprises a spherical sand storage shell, a third-stage filter screen and a sealing gasket. The first-stage filter screen and the second-stage filter screen are respectively mounted in the filter screen mounting groove from top to bottom and are used for primarily filtering waste liquid, the filter screen cleaning window is mounted in front of the box body cleaning window and is connected with the ...

Method for synthesizing 2, 4-dimethoxybenzoyl chloride and 2, 4-dimethoxybenzoic acid

The invention discloses a method for synthesizing 2, 4-dimethoxybenzoyl chloride, which is characterized by comprising the following steps of: reacting m-dimethoxybenzene and oxalyl chloride which are used as raw materials in the presence of an organic solvent and a catalyst at the temperature of between 50 and 80 DEG C until the reaction is complete, evaporating out the solvent, and then carrying out reduced pressure distillation to obtain the 2, 4-dimethoxybenzoyl chloride, the catalyst is azodiisobutyronitrile or benzoyl peroxide. The invention relates to a method for synthesizing 2, 4-dimethoxybenzoic acid, which is characterized by comprising the following steps: preparing 2, 4-dimethoxybenzoyl chloride according to any one of claims 1-5, adding water to hydrolyze, and recrystallizing to obtain the 2, 4-dimethoxybenzoic acid. The method has the advantages of mild reaction conditions, short synthesis steps, low cost, small influence and pollution on the environment, high yield and good ...

PRE-GRADING RING STRUCTURE FOR POWDER CONCENTRATOR

A pre-grading ring structure for a powder concentrator, the structure comprising a frame (1) and an electric motor (2) arranged on the frame (1), wherein the electric motor (2) is connected to a rotary shaft (5) via a transmission device (4), a powder selection chamber (6) is positioned internally at an upper end of the frame (1), a rotating cage (7) and a distributing plate (8) are arranged on the rotary shaft (5) in the powder selection chamber (6), a coarse powder outlet (11) in communication with the powder selection chamber (6) is provided at a lower end of the frame (1), a number of finished product collectors (12) are arranged uniformly on the frame (1) outside the powder selection chamber (6), a lower end of each of the finished product collectors (12) is in communication with a fine powder collection bin (13) arranged at the lower end of the frame (1), and a grading device (15) is arranged on the rotary shaft (5) between the rotating cage (7) and the distributing plate (8).

MONITORING METHOD AND SYSTEM FOR HUMAN BODY SECURITY TESTER, AND CONTROL APPARATUS THEREOF

A monitoring method and system for a human body security tester, and a control apparatus thereof. The monitoring method comprises: collecting a running parameter of a pre-set monitoring point in a target circuit module of a human body security tester (S101); according to a module identifier of the target circuit module and a monitoring point identifier of the pre-set monitoring point, acquiring a parameter range associated with the module identifier and the monitoring point identifier (S102); and determining whether the running parameter is within the parameter range, and if not, determining fault point position information according to the module identifier and the monitoring point identifier (S103). By means of the solution, which monitoring point in which circuit module fails can be quickly located when a security tester is abnormal, that is, the position of a fault point can be quickly located, thereby being convenient for maintenance and testing work, and thus improving the efficiency ...

SILICATE LUMINOUS MATERIALS AND PREPARATION METHODS THEREOF

Silicate luminous materials and preparation methods thereof are provided. The luminous materials are represented by the following chemical formula: Zn2-xSiO4:Mnx@SiO2@My, wherein M represents at least one element selected from Ag, Au, Pt, Pd or Cu and y is molar ratio of M to Si in silicate luminous materials, 0 Подробнее

MATERIAL GUIDE STRUCTURE FOR THREE-CYLINDER DRYING MACHINE

Provided is a material guide structure for a three-cylinder drying machine. The material guide structure comprises: a composite cylinder body, a discharge device (1) provided on one side of the composite cylinder body, and a transmission device (2) provided at a lower end of the composite cylinder body, wherein the composite cylinder body is composed of an outer cylinder body (3), an intermediate cylinder body (4) and an inner cylinder body (5), having different diameters from large to small and being sleeved coaxially, a helical material lifting plate is provided on each of the inner walls of the outer cylinder body (3), the intermediate cylinder body (4) and the inner cylinder body (5), a radial material lifting plate is provided on each of the outer walls of the intermediate cylinder body (4) and the inner cylinder body (5), a material guide pipe (8) is fixedly arranged inside the inner cylinder body (5), and helical material guide sheets (9) are uniformly arranged on an outer side of ...

Fixed plane shape waverider design method and system based on inner cone flow field

The invention provides a fixed plane shape waverider design method and system based on an inner cone flow field, and belongs to the field of hypersonic aerodynamic layout design. The method comprises the following steps: firstly, designing a reference flow field of a waverider as an axisymmetric inner cone flow field; the front half part of the inner cone flow field is obtained by solving a Taylor-Maccoll equation, and the rear half part of the inner cone flow field is generated by using a characteristic line method; and then realizing wave rider design of a given plane shape by applying a geometric design relationship in an osculating method. A reference flow field is replaced by inner cone flow from outer cone flow, the design space of the wave rider with the fixed plane shape is effectively expanded, the wave rider design of the given plane shape is achieved through the geometric design relation in an osculating method, the aerodynamic performance of the wave rider with the fixed plane ...

Power grid safety analysis method and device and medium

The invention discloses a power grid security analysis method. The method comprises the following steps: acquiring original load data and network topology parameters; determining all power-on combinations; scoring and evaluating the operation of the startup combination; locking the boot to be optimized and the boot combination of the maximum value of the comprehensive score in the comprehensive score evaluation set; outputting the optimized starting-up combination and the comprehensive score curve of all the scheduling days meeting the requirements, the corresponding line operation information and the corresponding centesimal system score condition; according to the method, multi-dimensional description of an evaluation system is realized, a security check optimization model of future power flow uncertainty is constructed, and a mixed integer programming solution scheme based on a path tracking method is provided; the scheduling result is superior to the security check and optimization ...

METAL NANOPARTICLE-COATING SILICATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREFOR

Disclosed is a metal nanoparticle-coating silicate luminescent material, which has a molecular formula of: Li2Ca1-xSiO4:Tbx@My, where @ represents a coating, M is at least one among Ag, Au, Pt, Pd, and Cu nanoparticles, where 0 < x < 0.2, where y is the molar ratio between M and Si, and where 0 < y ≤ 1×10-2. The composition of the metal nanoparticle-coating silicate luminescent material is metal nanoparticles coated with Li2Ca1-xSiO4:Tbx, all of which are substances having great chemical stability and having great stability when bombarded by large electron beams. Also provided in the present invention is a method for preparing the metal nanoparticle-coating silicate luminescent material.

SILICATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREFOR

A silicate luminescent material, a general molecular formula thereof being Li2Ca1-xSiO4:Tbx,My, wherein M is selected from at least one of Ag, Au, Pt, Pd, and Cu metal nano particles; 0 Подробнее

GERMANATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREFOR

The present invention provides a germanate luminescent material, a general molecular formula thereof being Zn2-2xGeO4:Mn2x,My, wherein M is selected from at least one of Ag, Au, Pt, Pd, and Cu metal nano particles; 0 Подробнее

Sensor security detection circuitry is put in office

... 本实用新型公开了一种局放传感器安全性检测电路，包括无线收发电路（a）、555定时检测电路（b）、显示及按键单元（c）和接口电路（d），所述无线收发电路（a）、显示及按键单元（c）、接口电路（d）均与所述555定时检测电路（b）相连接；本实用新型能够通过安全性检测装置实现对内置传感器安全性问题进行检测，将检测的结果通过无线的方式发送到数据处理服务器端。从而避免了由于安全性问题对测试设备和人生安全造成伤害。 ...

SILICATE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREOF

The present invention relates to a silicate luminescent material and preparation method thereof. The silicate luminescent material has the following general chemical formula: (Ba1-yAy)2-xSiO4: Eux, Dz@Mn, wherein @ represents coating, Mn is a core, (Ba1-yAy)2-xSiO4: Eux, Dz is a shell; A is one or two of Sr, Ca, Mg or Zn; D is either F or Cl; M is at least one of Ag, Au, Pt, Pd and Cu metallic nanoparticles; the value range of x is 0.001 Подробнее

SILICATE LUMINESCENT MATERIAL AND ITS PREPARATION METHOD

A silicate phosphor and its preparation method are provided. The structural formula of the silicate luminescent material is Zn2-y(Si1-xMx)O4:Mny, wherein M is a metal element and its oxide is conductive, x is 0.001-0.15, and y is 0.001-0.05. Due to the facts that the conductive metal oxide component is integrated into such silicate luminescent material and the silicate luminescent material can take advantage of its conductive property, compared with the luminescent material without such conductive component, the luminous performance of the above luminescent material under cathode ray is improved significantly. Accordingly, the luminous efficiency of the above luminescent material is increased.

SULFUR OXIDE LUMINESCENT MATERIAL AND PREPARATION METHOD THEREFOR

Provided is a sulfur oxide luminescent material. The luminescent material has a general chemical formula of Ln2-xO2S:Eux3+@My, wherein @ is coating, Eu is doped in Ln2-xO2S, Ln2-xO2S:Eux3+ has a porous structure, and M is located in pores of the Ln2-xO2S:Eux3+. In the sulfur oxide luminescent material, metal nano particles coating is used to form a core-shell structure, which increases luminescent efficiency of the sulfur oxide luminescent material in a same excitation condition; in addition, a hollow structure is formed between a core and a shell layer of the sulfur oxide luminescent material, which effectively reduces usage of rare earth elements in the shell layer and lowers cost of the luminescent material. Also provided is a preparation method for the sulfur oxide luminescent material.

SCANNING MECHANISM AND SECURITY CHECK DEVICE HAVING THE SCANNING MECHANISM

A scanning mechanism (100) comprising a millimeter wave transmitting/receiving antenna module (10) for scanning a to-be-imaged object in a predetermined scanning area (S). The millimeter wave transmitting/receiving antenna module (10) comprises a millimeter wave transmitting/receiving antenna unit (11). A signal terminal of the millimeter wave transmitting/receiving antenna unit (11) faces towards the predetermined scanning area (S). And the scanning mechanism (100) further comprises a dustproof film (20) covering the signal terminal. Also disclosed is a security check device having the scanning mechanism. The signal terminal of the millimeter wave transmitting/receiving antenna unit (11) is sealed and isolated by providing a dustproof film (20) on the millimeter wave transmitting/receiving antenna module (10). With a simple structure, the security check device is easy and convenient for repair and maintenance, with lower cost. When the millimeter wave transmitting/receiving antenna unit ...

Method for increasing roughness and strengthening performance of 45 steel through electron beams

The invention discloses a method for increasing roughness and strengthening performance of 45 steel by electron beams, which specifically comprises the following steps: step 1, pretreatment: milling a cut test block workpiece, and then cleaning the milled workpiece by using a cleaning solvent; 2, preparing nickel-tungsten composite powder, and mechanically pressing the nickel-tungsten composite powder on the surface of the 45 steel; and step 3, electron beam scanning treatment: continuously treating the surface of the workpiece by using an electron beam. And 4, measuring the surface roughness by using a roughness meter, and measuring the surface performance by using a hardness measuring instrument, a friction wear testing machine and the like. According to the method disclosed by the invention, the surface performance of the 45 steel can be enhanced while the surface roughness of the 45 steel is improved and the surface area is increased, and the method is beneficial to the fields of surface ...