沙发（三）

沙发（四）

沙发（二）

沙发（一）

INTELLIGENT ROBOT BASED ON ARTIFICIAL INTELLIGENCE

An intelligent robot based on artificial intelligence. The intelligent robot (10) based on artificial intelligence comprises multiple components (11). Each of the components (11) has an independent function. Different components (11) can be detached from each other or assembled together. The intelligent robot based on artificial intelligence has the advantages that the development cycle is shortened, the function is expanded, and the costs are reduced.

CONTROL METHOD AND DEVICE FOR MOBILE PLATFORM, AND COMPUTER READABLE STORAGE MEDIUM

Embodiments of the present invention provide a control method and device for a mobile platform, and a computer readable storage medium. The method comprises: obtaining a captured image; identifying a first feature portion from the captured image; determining a second feature portion of a target object in the captured image; determining a matching parameter corresponding to the first feature portion according to the second feature portion of the target object and the first feature portion; determining a first feature portion of the target object from the first feature portion according to the matching parameter corresponding to the first feature portion; and if a tracking parameter of the target object meets a preset tracking condition, switching tracking of the second feature portion of the target object to tracking of the first feature portion of the target object. The embodiments of the present invention can be applied to prevent the loss of a tracking target object and improve the reliability ...

沙发（五）

Laser annealing system and laser annealing method

The invention discloses a laser annealing system and a laser annealing method, and belongs to the field of quantum information. In order to solve the problem that laser energy is unstable when quantum chip annealing is executed, the laser annealing system provided by the invention is provided with a modulator for modulating energy of emitted laser, then light splitting is performed on a laser beam subjected to energy modulation by utilizing a light splitter to obtain first laser and second laser, and a first sensor is arranged for collecting detection parameters of the first laser; and a feedback controller is utilized to control a modulator to modulate the emitted laser according to the detection parameters so as to ensure that the energy of the second laser is a target value. Corresponding to the laser annealing system provided by the invention, the laser annealing method provided by the invention comprises the following steps: firstly modulating the emitted laser, then splitting the ...

Metal frame for built-in connection of aluminum alloy structure

The embodiment of the invention provides a metal frame for built-in connection of an aluminum alloy structure. The metal frame comprises a first connecting piece, a second connecting piece, a rubber gasket and a bolt. Wherein the first connecting piece comprises a first concave part and a first butt joint part, and the outer wall of one end of the first concave part is parallel to the bottom surface of the first concave part and extends outwards to form the first butt joint part; the second connecting piece comprises a second concave part and a second butt joint part; the outer wall of one end of the second concave part is parallel to the bottom surface of the second concave part and extends outwards to form the second butt joint part; the first butt joint part and the second butt joint part are adjustably connected through a bolt, the concave surfaces of the first concave part and the second concave part are oppositely arranged to form a containing groove, the end part of the first concave ...

RESONANT CAVITY AND FILTER HAVING THE RESONANT CAVITY

Provided is a resonant cavity. An input terminal and an output terminal are disposed on inner walls on two sides of the cavity respectively. Two metamaterial blocks separated from each other are disposed in the resonant cavity. The two metamaterial blocks contact the input terminal and the output terminal respectively. Each metamaterial block comprises a substrate made of a non-metallic material and a man-made microstructure adhering to the substrate. The man-made microstructure is a structure that is formed of a thread made of an electrically conductive material and has a geometric pattern. By adding the metamaterial blocks into the resonant cavity, the resonant frequency can be effectively decreased without increasing the volume, thereby facilitating miniaturization of a filter. Also provided is a filter having the resonant cavity.

Liquid crystal polyester composition as well as preparation method and application thereof

The invention discloses a liquid crystal polyester composition which comprises the following components in parts by weight: 50-100 parts of liquid crystal polyester; 12 to 40 parts of filler; 0.1 to 3 parts of a coupling agent; 0.2 to 0.6 part of linear low density polyethylene; 1 to 4 parts of polyarylester; wherein the filler is selected from fibrous filler and flaky filler, and the weight ratio of the fibrous filler to the flaky filler is (0.6-50): 1; the liquid crystal polyester is formed by taking at least two of terephthalic acid, biphenol, 6-hydroxy-2-naphthoic acid and p-hydroxybenzoic acid and acetaminophen as repetitive units. According to the liquid crystal polyester composition disclosed by the invention, through compounding of the fibrous filler and the flaky filler and compounding of the linear low-density polyethylene and the polyarylester, higher-degree enrichment of the wear-resistant filler in a material resin skin layer can be realized, so that the wear resistance is ...

CONTROL METHOD AND APPARATUS FOR MOVABLE PLATFORM AND MOVABLE PLATFORM

Provided by the embodiment of the present invention are a control method and apparatus for a movable platform and a movable platform. The method comprises: acquiring an image output by a photographing device; determining a tracking frame of a feature part of a target object from the image; identifying joint points of objects in the image; identifying detection frames of palms of the objects in the image; determining, according to the tracking frame of a feature part, joint points of the target object from the joint points of the objects; and determining, according to the joint points of the target object, detection frames of palms of the target object from the detection frames of the palms of the objects. The embodiment of the present invention achieves the precise matching between the tracking frame of the feature part of the target object and the detection frames of the palms of the target object, and improves the stability and continuity of the movable platform in recognizing the detection ...

HIGH-RISE ESCAPE BACKPACK

A high-rise escape backpack (100), relating to the technical field of high-rise escape tools and comprising a backpack body (200) and a high-rise escape descent control device (300). The high-rise escape descent control device (300) comprises a rope (320), a rope winding mechanism (340), and a speed change mechanism (360); the rope winding mechanism (340) comprises a frame (350) and a rope winding disc rotatably provided on the frame (350); the frame (350) is provided in the backpack body (200); the rope (320) is wound on the rope winding disc, with one end fixed onto the rope winding disc and the other end passing through the backpack body (200) to be connected to a fixing piece; the speed change mechanism (360) comprises a driving wheel (361) which moves synchronously with the rope winding disc and at least one speed reduction mechanism (370); each speed reduction mechanism (370) comprises a driven wheel (371) engaged with the driving wheel (361), a connecting shaft (372) provided on ...

Portable Bluetooth gas leakage detection early warning device and method

The invention relates to the technical field of leakage measurement equipment, in particular to portable Bluetooth gas leakage detection early warning equipment and method. The system comprises a portable device, a leakage detection early warning circuit, a built-in pairing APP, a lithium battery and the leakage detection early warning circuit, the portable device is a wrist watch, and the leakage detection early warning circuit comprises a main control unit, and a gas detection unit, a concentration sudden change early warning unit, a Bluetooth transmission unit and a buzzer unit which are connected with the main control unit; the paired APP is connected with a computer end and a mobile phone end through a big data platform, and when the gas leakage amount does not reach a leakage threshold value but the leakage amount changes suddenly in a short time, a gas concentration sudden change alarm is triggered; the gas detection unit and the concentration sudden change early warning unit are ...

Single-chip six-axis sensor and accelerometer thereof

The invention provides a single-chip six-axis sensor and an accelerometer thereof. A Z-axis accelerometer comprises a first anchor point; the lengthwise rotating beam is elastically connected with the first anchor point; the first Z-axis mass block is located on the first side of the rotating beam and connected with the rotating beam; the second Z-axis mass block is located on the second side, opposite to the first side, of the rotating beam and connected with the rotating beam; the third Z-axis mass block is positioned on one side, far away from the rotating beam, of the second Z-axis mass block and is elastically connected with the second Z-axis mass block; the second Z-axis mass block and the first Z-axis mass block do seesaw type movement along the rotating beam, the third Z-axis mass block is driven by the second Z-axis mass block to move along with the second Z-axis mass block, and when movement of the third Z-axis mass block is blocked, the third Z-axis mass block can twist relative ...

TRAVERSE-TYPE MEASUREMENT METHOD FOR DUAL-SYSTEM BILATERAL-SURVEY COMPOSITE LEVEL

A traverse-type measurement method for a dual-system bilateral-survey composite level (A, B) is an intelligent traverse-type measurement method for integrated three-level error control loop inspection with the dual-system bilateral survey compound level (A, B). Specifically, survey station single-instrument inspection, survey station dual-instrument cross-inspection, and multi-survey station dual-instrument cumulative cross-inspection are adopted, and the number of observations and distance between survey stations is adjusted, such that measurement error is dynamically controlled in real time, ensuring that height difference measurement of survey stations and of measurement sections meets a preset precision requirement regardless of location or time, avoiding the invalid measurements that frequently occur with traditional levels, and improving working efficiency and economic benefit of the composite level.

Composition for immunotherapy of liver cancer and application thereof

The invention provides a composition for immunotherapy of liver cancer, the composition comprises a monoclonal antibody and an immune checkpoint inhibitor, the monoclonal antibody is secreted phosphoprotein SPP1, and the immune checkpoint inhibitor is PD-1. The composition for the immunotherapy of the liver cancer is formed by combining the phosphoprotein SPP1 secreted by the monoclonal antibody and the immune checkpoint inhibitor PD-1, and compared with the single use of the immune checkpoint inhibitor, the composition can destroy a tumor immune barrier TIB structure, significantly increase killer CD8 + T lymphocytes and slow down the tumor growth and proliferation capacity. And the combined use of the composition has a good immunotherapy curative effect on the liver cancer, which is of great significance to the clinical treatment of the liver cancer.

High-precision thin-film resistor device and preparation method thereof

According to the high-precision thin-film resistor device and the preparation method thereof provided by the invention, the isolation groove is formed below the thin-film resistor, and the thin-film resistor and the heat-conducting composite structure are subjected to heat exchange by utilizing the heat-conducting composite structure arranged in the isolation groove; the heat conduction composite structure is further in heat conduction contact with the heat dissipation holes to dissipate heat, so that the heat conduction efficiency of the surrounding environment of the thin-film resistor is effectively improved; the heat dissipation holes are formed, the metal with good heat conductivity is arranged in the heat dissipation holes, and an additional heat dissipation channel is provided around the thin-film resistor, so that the working temperature of the thin-film resistor is kept in a low-temperature drift environment, the resistance value drift of the thin-film resistor within the duration ...

MOTION TRAJECTORY PREDICTION METHOD FOR TARGET OBJECT, AND MONITORING PLATFORM

Disclosed in the present invention are a motion trajectory prediction method for a target object, and a monitoring platform, said method comprising: acquiring, according to a trajectory model, an expected motion state of a target object in a lost state, the target object being an object monitored by a monitoring platform, and the trajectory model comprising model coefficients; acquiring an observation position of the target object in a monitored state; determining the model coefficients according to the observation position and the expected motion state, and updating the trajectory model on the basis of the determined model coefficients; and predicting, according to the updated trajectory model, the motion trajectory of the target object in the lost state. The present invention uses the expected motion state and the observation position to determine the model coefficients of the trajectory model of the target object, effectively improving the accuracy of determination of the model coefficients ...

SCR type ESD protection device, electronic device and preparation method

According to the SCR type ESD protection device, the electronic device and the preparation method provided by the invention, through the fifth N-type contacts which are arranged at intervals and the setting of the size, the interval distance and the number of the fifth N-type contacts, the magnitude of current injected into a base region of a PNP tube by an NPN tube can be controlled, so that the corresponding maintaining voltage when positive feedback occurs is regulated and controlled; furthermore, sixth P-type contact can be formed in the second P-type well and between the fifth N-type contact, and by adjusting collection of holes in the second P-type well, the turn-on voltage and the current gain of the NPN tube are regulated and controlled, so that the effect of regulating and controlling the maintaining voltage is achieved. The SCR type ESD protection device with the adjustable maintaining voltage can be provided, the discharge efficiency of ESD is improved, and latch-up can be avoided ...

Clean pulping process for bamboo and straw

The invention provides a clean pulping process of bamboo and straw, which comprises the following steps: cutting the bamboo into bamboo pieces, cleaning and removing impurities, cutting straw stalks into straw sections, cleaning and removing impurities; the bamboo pieces and the straw sections are mixed, a decomposing agent is added, pressure cooking is conducted, and mixed pulp is obtained; the decomposing agent is an acetic acid solution or an oxalic acid solution; adding a deep eutectic solvent into the mixed slurry, cooking, concentrating and separating to obtain slurry; the hydrogen bond acceptor of the deep-eutectic solvent is one or two of choline chloride and glycerol, and the hydrogen bond donor of the deep-eutectic solvent is one or more of oxalic acid and DL-menthol; and continuously cooking the undefibered fiber bundles, mixing the undefibered fiber bundles with the slurry to obtain mixed slurry, and removing impurities to obtain target slurry. The yield of the fine pulp is ...

LIVING BODY DETECTION METHOD, TERMINAL, AND STORAGE MEDIUM

Disclosed in embodiments of the present application are a living body detection method, a terminal, and a storage medium. The method in an embodiment of the present application comprises: when living body detection is required, starting a light source to project a light ray to a detected object, and carrying out image collection on the detected object; when it is recognized that a reflection light signal generated by the projected light ray exists on the surface of the detected object in a collected image sequence, recognizing, by using a preset recognition model, the type of an object to which an image feature formed by the reflection light signal on the surface of the detected object belongs; and if the recognition result indicates that the type of the object to which the image feature belongs is a living body, determining that the detected object is a living body. By means of the solution, the living body detection effect can be improved, thereby improving the accuracy and safety of ...

BIDIRECTIONAL REVERSIBLE MEDICAL SKIN TENSION REDUCING CLOSER

A bidirectional reversible medical skin tension reducing closer comprises left and right substrates (3, 4), left and right pawls (5, 7), and left and right racks (2, 1), the left and right substrates being horizontally and symmetrically disposed, the left and right pawls being fixedly disposed on adjacent ends of the left and right substrates (3, 4) respectively, one end of the left rack and one end of the right rack being fixedly connected to the left and right pawls (5, 7) in an upper-down side-by-side disposing manner respectively. Ratchets (9) of the left and right racks tilt towards the left and right substrates (3, 4) respectively, and the other ends of the left and right racks (2, 1) penetrate through the lower parts of the left and right pawls (5, 7) respectively and are fitted with ratchets (11) disposed at the lower parts of the left and right pawls (5, 7). Adhesive layers for fixing the left and right substrates on the surface of human skin are disposed on the bottom surfaces ...

Electrical contact connection method and system

The invention discloses an electric contact connection method and system. The electric contact connection method comprises the following steps: moving a probe to a first film layer, and monitoring the pressure borne by the probe in real time; monitoring a first sudden change of the pressure, and continuing to move the probe; monitoring the second mutation of the pressure, stopping the movement of the probe when the second mutation occurs, and enabling the probe to be in contact with the second film layer at the moment. According to the electric contact connection method and system provided by the invention, the change condition of the pressure signal borne by the probe is monitored in real time, so that the probe can accurately probe to the interface of the first film layer and the second film layer, and the probe and the second film layer are in good electrical connection without damaging the second film layer.

Method and device for predicting fatigue crack propagation life of metal material and related equipment

The invention provides a method and a device for predicting the fatigue crack propagation life of a metal material and related equipment. The method comprises the following steps: determining an optimal residual stress distribution function and a coefficient value thereof of a to-be-detected metal material; calculating a residual stress intensity factor of the to-be-measured metal material according to the optimal residual stress distribution function and the coefficient value thereof; acquiring a first crack growth rate and a stress intensity factor range of a base material corresponding to the to-be-detected metal material, calculating a Walker model constant value according to the first crack growth rate and the stress intensity factor range, and calculating an effective stress intensity factor range and an effective stress ratio according to the residual stress intensity factor and the stress intensity factor range; and calculating predicted values of the second crack propagation rate ...

RESONANT CAVITY AND FILTER HAVING SAME

The present invention relates to a resonant cavity, including a cavity, and two incentive ports respectively provided on two side walls of the cavity and both protruding into the cavity. The two incentive ports are provided opposite each other, and at least one metamaterial sheet is located in the cavity, with each metamaterial sheet including a nonmetal material substrate and an artificial microstructure attached to the substrate. The artificial microstructure is a structure formed by a conductive material thread circled a plurality of times. The structure significantly increases the inductance of the metamaterial medium, thus changing the resonance frequency. The use of the present invention can greatly lower the resonance frequency of a resonant cavity, and to realize the same resonance frequency, apparently the volume of the resonant cavity will be greatly reduced. Additionally, a filter having the resonant cavity is also provided.

Spring hydraulic operating mechanism

The embodiment provides a spring hydraulic operating mechanism. The spring hydraulic operating mechanism comprises a working cylinder assembly; the energy storage cylinder is arranged on the outer side of the working cylinder assembly in a sleeving manner and can move up and down along the working cylinder assembly; the disc spring set is connected with the energy storage cylinder, the disc spring set comprises a flange plate and a plurality of disc springs stacked in the height direction of the working cylinder assembly, and the flange plate is arranged on the outer side of the energy storage cylinder in a sleeving mode and fixed to the top ends of the disc springs; the guiding device comprises a guiding rod and a guiding seat, the bottom end of the guiding rod is fixed to the flange plate, the guiding seat is fixed to the working cylinder assembly, a through hole is formed in the guiding seat, and the guiding rod is arranged in the through hole in a penetrating mode and can move up and ...

Multi-track drip irrigation type injector

The invention discloses a multi-track drip irrigation type injector, and relates to the technical field of medical auxiliary instruments, the multi-track drip irrigation type injector can perform multi-point injection administration on a focus part under the condition of single-point puncture, and according to the specific scheme, the multi-track drip irrigation type injector comprises a puncture needle and a drainage needle, the puncture needle comprises a tip end and a connecting end which are located on the two sides respectively; at least two rails are arranged from the tip end to the connecting end in a penetrating manner; a plurality of through holes are formed in the side wall of a drainage needle head, and the drainage needle is longer than the puncture needle; according to the multi-track drip irrigation type injector provided by the invention, single-point puncture and multi-point injection can be realized; the multi-track drip irrigation type injector is provided with mutually ...

Rapid propagation method for autumn flame after northern domestication

The invention relates to a rapid propagation method for autumn flame after northern domestication. The method mainly solves the problem that the existing American red maple variety is not suitable for direct planting or breeding by using the original variety because the existing American red maple variety is frozen to death or frozen slightly when being planted in extremely cold regions in northeast. Comprising the following steps: (1) selecting, pretreating and disinfecting an explant; (2) starting culture; (3) subculture multiplication culture; (4) strong seedling culture; (5) rooting induction culture; and (6) seedling hardening and transplanting culture. According to the growth characteristics of acer rubrum autumn flame, a starting culture medium suitable for acer rubrum autumn flame tissue culture is prepared on the basis of an MS culture medium and an improved MS culture medium, subculture multiplication culture, strong seedling culture and rooting induction culture are performed ...

Single-chip six-axis sensor and accelerometer thereof

The invention provides a single-chip six-axis sensor and an accelerometer thereof. The accelerometer comprises a Z-axis accelerometer. The Z-axis accelerometer comprises a Z-axis mass block, wherein a first space and a second space are defined in the Z-axis mass block; the anchor point structure is located in the first space; the rotating shaft is located in the first space and placed parallel to the X/Y axis, the rotating shaft is connected with the anchor point structure and the Z-axis mass block, and the mass, located on one side of the rotating shaft, of the Z-axis mass block is different from the mass, located on the other side of the rotating shaft, of the Z-axis mass block, so that the Z-axis mass block conducts seesaw type movement with the rotating shaft as the axis; the air damping unit is located in the second space and comprises a first anchor point, a plurality of fixed damping comb teeth connected to the first anchor point and a plurality of movable damping comb teeth connected ...

Two-gear longitudinal rear-drive dual-motor hybrid power system

The invention discloses a two-gear longitudinal rear-drive dual-motor hybrid power system which comprises an engine, a generator, a driving motor, an engine intermediate shaft, a transmission shaft, a first synchronizer and a second synchronizer. The engine and the generator are connected through an engine input shaft, the engine input shaft, the engine intermediate shaft and the output shaft are located on the same axis, and a first synchronizer is installed on the output shaft and controls power disconnection and combination of the engine intermediate shaft and the output shaft. The output shaft is further provided with a second synchronizer, the transmission shaft is connected with the output shaft through two gear sets with different speed ratios, and the second synchronizer controls disconnection of connection and the speed ratio of connection. The driving motor, the engine and the generator are located on the same axis, the driving motor is connected with the motor input shaft, and ...

NOVEL LEVEL GAUGE WITH I ANGLE DETECTION FUNCTION

Provided is a novel level gauge with an i angle detection function, which can improve the leveling accuracy, reliability and efficiency. The level gauge comprises a shell (1), wherein an object lens (2), a focusing lens (3), an automatic horizontal sight line compensator (4), a light splitter (5), a cross hair reticle (6) and an eye lens (7) which have the same center line and are sequentially arranged inside the shell (1) from inside to outside. An electronic reader (8), a display and control terminal (9) and a first power supply (10) are further arranged on the shell (1). A level (11) is arranged on the outer side surface of the shell (1). A built-in light source (13), a scattering glass (14), a vertical transparent microcoded ruler (15) and a convex lens (16) which have the same center line are sequentially arranged on the other side of the object lens (2) from a far side to a near side. The built-in light source (13), the scattering glass (14), the vertical transparent microcoded ruler ...

LIVING BODY IDENTIFICATION METHOD, STORAGE MEDIUM AND COMPUTER DEVICE

A living body identification method, comprising: acquiring a target image; extracting facial feature data of a facial image in the target image; performing living body identification according to the facial feature data to obtain a first confidence, wherein the first confidence indicates a first probability of recognizing a living body; extracting background feature data from an extended facial image, wherein the extended facial image is obtained by extending a region where the facial image is located; performing living body identification according to the background feature data to obtain a second confidence, wherein the second confidence indicates a second probability of detecting a living body; according to the first confidence and the second confidence, obtaining a judgment result of a living body facial image.

Superconducting quantum bit junction resistance measuring method and measuring system

The invention discloses a superconducting quantum bit junction resistance measuring method and measuring system. The measurement method comprises the following steps: electrically breaking down a first oxide layer formed on the surface of a first electrode; electrically breaking down a second oxide layer formed on the surface of the second electrode; applying a test current passing through the punctured first oxide layer, the Josephson junction and the punctured second oxide layer, and measuring a voltage between the punctured first oxide layer and the punctured second oxide layer; and determining the superconducting quantum bit junction resistance according to the voltage and the test current. Compared with the prior art, the first oxide layer formed on the surface of the first electrode and the second oxide layer formed on the surface of the second electrode are firstly subjected to electric breakdown, and then the junction resistance is measured, so that the influence of the oxide layers ...

Energy storage assembly and operating mechanism

The embodiment provides an energy storage assembly and an operating mechanism. The energy storage assembly comprises a working cylinder, an oil storage channel is formed in the working cylinder, and an oil through hole communicating with the oil storage channel is formed in the outer side wall of the working cylinder; the energy storage cylinder is arranged on the outer side of the working cylinder in a sleeving mode and can move up and down along the working cylinder, and an insertion hole allowing the working cylinder to penetrate through is formed in the bottom wall of the energy storage cylinder; the energy storage device is connected with the energy storage cylinder, and the energy storage device can store energy along with downward movement of the energy storage cylinder; when the energy storage cylinder is located at the upper limit position of the working cylinder, at least part of the opening, located on the outer side, of the oil through hole is located over the upper end face ...

RADIO FREQUENCY CONNECTOR, RADIO FREQUENCY BOARD AND CALIBRATION COMPONENT

Embodiments of the present invention provide a radio frequency connector, a radio frequency board and a calibration component. The radio frequency connector comprises an inner conductor, a dielectric layer and an outer conductor. The dielectric layer is between the inner conductor and the outer conductor. A first end of the inner conductor is provided with a probe end. The probe end protrudes from the dielectric layer. A first end of the outer conductor is provided with a first grounding end and a second grounding end. A second end of the outer conductor and a second end of the inner conductor form a test connection end. Using the radio frequency connector to connect a radio frequency board to a tester can improve test efficiency.

PACKAGE STRUCTURE FOR SEMICONDUCTOR DEVICE, AND SEMICONDUCTOR DEVICE

A package structure for a semiconductor device, and a semiconductor device. The package structure comprises a metal plate (20) where a slot is formed, a ceramic piece (60), and a metal heat sink (70) welded onto the back surface of the ceramic piece (60). The ceramic piece (60) and the metal heat sink (70) are vertically inserted into the slot and welded to the metal plate (20). A semiconductor and a matching circuit may be disposed on the metal heat sink (70). The ceramic piece (60) replaces a glass seal; metalized interconnection is provided inside the ceramic piece (60) for fabricating a metalized pattern having complex connection relations, and the electrical interconnection is more flexible. In the package structure, metalized wiring is carried out by using the ceramic piece. Compared with round lead machining, higher precision is achieved. The package structure has better radio frequency performance for transmission of high-frequency signals. As the metal heat sink (70) with high ...

Continuous preparation device and method of binary conductive polymer composite nanofiber

The invention provides a continuous preparation device and method for binary conductive polymer composite nanofibers, which comprises the following steps: respectively injecting an aniline monomer solution and an initiator solution containing a dopant, and a thiophene monomer solution and an initiator solution containing a dopant into corresponding containers, and reacting under the action of gravity to prepare the binary conductive polymer composite nanofibers. An aniline monomer solution and an initiator solution thereof flow into the main pipeline through the branch pipeline and are subjected to mixing and flow polymerization to generate polyaniline nanofibers, then the polyaniline nanofibers continue to flow in the main pipeline and are mixed with a thiophene solution and an initiator solution thereof, and thiophene is subjected to in-situ chemical oxidation polymerization on the surfaces of the polyaniline nanofibers; the polyaniline/polythiophene composite nanofibers are generated ...

Testing device of infrared thermopile sensor

The utility model provides a testing device of an infrared thermopile sensor. The testing device comprises a black body which is used as a standard radiation source to provide standard object temperature Tobj for testing; the heat insulation body is made of a heat insulation material and is provided with a cavity penetrating through the heat insulation body, and the cavity comprises a first port close to the black body and a second port far away from the black body; an infrared thermopile sensor is placed in the heat carrier, the heat carrier can enter and exit from the cavity of the heat insulation body, and when the heat carrier is located at the standard test position, the heat carrier where the infrared thermopile sensor is placed is located in the cavity of the heat insulation body. Therefore, the thermopile output voltage environment temperature object temperature matrix table can be efficiently measured, and a high-precision measurement result is obtained.

Waste paper pulping treatment device

The invention provides a waste paper pulping treatment device which comprises a conveyor, a rotary drum type powder pulping machine, a high-concentration slag separator, a medium-concentration coarse screening machine, a slag discharging separator and a fine screening machine, the conveyor is used for conveying white waste paper into the rotary drum type powder pulping machine to be smashed and screened, the output end of the rotary drum type powder pulping machine is communicated with a first pulp pool, and the output end of the rotary drum type powder pulping machine is communicated with a second pulp pool. Paper pulp output by the first pulp chest passes through the high-concentration slag separator, the medium-concentration coarse screening machine and the slag discharge separator to achieve slag removal, screening and pulp-slag separation of the paper pulp, the slag discharge separator is communicated with the second pulp chest, the second pulp chest conveys the paper pulp to the third ...

Quantitative detection method and system for defects in thermal barrier coating

The invention discloses a method and a system for quantitatively detecting defects in a thermal barrier coating, and relates to the field of defect detection. The method comprises the following steps: acquiring an infrared thermal sequence diagram of the thermal barrier coating to be detected; determining the maximum temperature difference and the optimal detection time according to the infrared thermal sequence diagram; the maximum temperature difference is the difference between the highest temperature of the defect area and the lowest temperature of the non-defect area, and the optimal detection time is the earlier time in the thermal excitation time corresponding to the highest temperature and the lowest temperature; inputting the maximum temperature difference and the optimal detection time into a defect quantitative detection model to obtain the defect area diameter and the defect area depth of the thermal barrier coating to be detected; the determination of the defect quantitative ...

Replaceable sock cover in gypsum

The invention discloses a gypsum inner replaceable sock which comprises a sock body, and the sock body is of an elastic structure and of a hollow cylindrical structure. Connecting pieces are arranged at the two ends of each sock body and used for connecting the two sock bodies. On the basis of standard gypsum fixation and on the basis of the original non-replaceable sock, the replaceable sock layer is added, so that the innermost sock is convenient to replace, the antibacterial and itching-relieving functions are realized, and the comfort of gypsum fixation is improved.

RESONANT CAVITY AND FILTER HAVING THE RESONANT CAVITY

Provided is a resonant cavity, having the interior being a cavity. At least one metamaterial lamella is placed in the cavity. Each metamaterial lamella comprises a substrate made of a non-metallic material and a man-made microstructure adhering to a surface of the substrate. The man-made microstructure is a structure that is formed of a thread made of an electrically conductive material and has a geometric pattern. When the resonant cavity, and after the metamaterial lamella is added therein, the resonant frequency of the resonant cavity can be decreased obviously, thereby miniaturizing the resonant cavity. Also provided is a filter having the resonant cavity.

Routing for static border gateway protocol

The invention relates to routing for a static border gateway protocol. The system may determine through which paths/tunnels can optimally reach the Internet destination for users having IP addresses from the static BGP range. The system looks up a destination address in an egress map. The mapping may specify a tunnel that should be used to encapsulate a static BGP, or (when a tunnel is not present) cause the system to issue unencapsulated traffic, where the traffic follows a normal BGP route over a border network.

LIVING BODY DETECTION METHOD, APPARATUS, AND STORAGE MEDIUM

A living body detection method and an apparatus, comprising: when detection of a living body is required, a detection subject may be monitored; then determining whether or not a reflected optical signal is present in a pre-set position of the detection subject in an image sequence obtained by means of monitoring, and whether or not said reflected optical signal matches a pre-set optical signal sample; if present and matching, determining the detection subject as a living body.

Reference voltage driving circuit, analog-to-digital converter, chip and driving method

The invention provides a reference voltage driving circuit, an analog-to-digital converter, a chip and a driving method. The reference voltage driving circuit comprises an operational amplifier, an RC filter, a power-on acceleration module and a reference buffer, the positive input end of the operational amplifier is connected with reference voltage, and the negative input end is connected with the output end; the input end of the RC filter is connected with the output end of the operational amplifier and is used for performing low-pass filtering on an output signal of the operational amplifier; the power-on acceleration module is used for controlling short circuit of a resistor in the RC filter so as to accelerate charging of a capacitor in the RC filter; and the input end of the reference buffer is connected with the output end of the RC filter to obtain a filtered reference voltage signal. According to the invention, the resistor in the RC filter is short-circuited, so that the charging ...

Hoisting equipment

The invention belongs to the technical field of lifting, and discloses lifting equipment which comprises a power device, a supporting device and a lifting rope, the power device comprises a first power source, the first power source comprises two first mounting frames which are oppositely arranged, a first rotating shaft is rotationally connected between the two first mounting frames, and the first rotating shaft can rotate around the axis of the first rotating shaft; the supporting device comprises a first rotating wheel, a second rotating wheel and a third rotating wheel, one end of the lifting rope is fixedly connected to the sleeve, the lifting rope can sequentially bypass the sleeve, the first rotating wheel, the second rotating wheel and the third rotating wheel, and the other end of the lifting rope is fixedly connected with a hook. The lifting equipment can replace a maintainer to carry a to-be-replaced part onto the tower, so that the load of the maintainer is reduced, the working ...

Water-saving safe ion exchange regeneration device and method and wastewater recovery process

The invention provides a water-saving safe ion exchange regeneration device and method and a wastewater recovery process. The water-saving safe ion exchange regeneration device comprises a water inlet pipeline, an ion exchanger, an alkali inlet pipeline, an acid inlet pipeline, a compressed air inlet pipeline and a water production pipeline, the water inlet pipeline is connected with the top of the ion exchanger; one end of the alkali inlet pipeline is connected with the top of the ion exchanger through the water inlet pipeline; the other end of the alkali inlet pipeline is connected with an alkali source; the water production pipeline is arranged at the bottom of the ion exchanger; one end of the acid inlet pipeline and one end of the compressed air inlet pipeline are connected with the water production pipeline; the other end of the acid inlet pipeline is connected with an acid source, and the other end of the compressed air inlet pipeline is connected with a compressed air source. According ...

Method, device and equipment for adjusting active power flow of AC/DC power distribution network

The invention discloses an AC/DC power distribution network active power flow adjustment method, device and equipment, and the method comprises the steps: calculating an actual active power vector of a converter station through employing the rated voltage of a DC system and the parameters of the converter station, and enabling an access node of the converter station of the DC system to be equivalent to an AC load node; the steps of the whole adjusting process are simple, iteration processing does not need to be carried out on the data, the solving speed is high, and the adjusting efficiency of the active power flow of the alternating-current and direct-current power distribution network is improved.

Bearing incremental fault diagnosis lifelong learning method based on generated feature replay

The invention relates to a bearing incremental fault diagnosis lifelong learning method based on generated feature playback. The method comprises the following steps: dividing a bearing state data set into a plurality of different diagnosis stages; learning a gray image sample in an initial stage, and training a first feature extractor and a first classifier; using the features extracted by the first feature extractor, and utilizing an adversarial generative network to alternately train to obtain a first feature generator; constructing an original fault diagnosis model, and setting the number of neurons in a full connection layer as the number of initial stage fault types; in an incremental learning stage, an original fault diagnosis model in an (n-1) stage is utilized to train and update a fault diagnosis model in an n stage, a feature distillation loss function is utilized to reduce the difference between features extracted by an nth feature extractor and an (n-1) th feature extractor ...

Longitudinal bipolar transistor and manufacturing method

The invention provides a longitudinal bipolar transistor and a manufacturing method thereof.The longitudinal bipolar transistor is arranged on a P-type substrate and comprises an N-type buried layer, a P-type buried layer and an N-type deep trap, the N-type buried layer and the P-type buried layer are located on the upper portion of the P-type substrate, the N-type deep trap is located below the N-type buried layer, the N-type buried layer is arranged between the N-type deep trap and an N-type epitaxial layer, and the P-type buried layer is arranged between the N-type deep trap and the N-type epitaxial layer. And the P-type buried layer is arranged to surround the N-type deep well and adjoin the N-type buried layer. According to the invention, the N-type buried layer, the P-type buried layer and the N-type deep trap are arranged on the substrate, the P-type buried layer surrounds the N-type deep trap and is adjacent to the N-type buried layer, and PN junctions formed by the P-type buried ...

Bipolar transistor structure and manufacturing method thereof

The invention provides a bipolar transistor structure and a manufacturing method thereof. The bipolar transistor structure comprises a P-type substrate, a deep N well, an N-type epitaxial layer, an electrode leading-out end injection region, a gate structure and an electrode leading-out end, the electrode leading-out terminal injection region comprises a first base electrode leading-out terminal injection region, a first collector electrode leading-out terminal injection region, an emitter electrode leading-out terminal injection region, a second collector electrode leading-out terminal injection region and a second base electrode leading-out terminal injection region which are sequentially arranged at intervals, and the first gate structure stretches across the first collector electrode leading-out terminal injection region and the emitter electrode leading-out terminal injection region; the second gate structure crosses the emitter lead-out terminal injection region and the second collector ...

Editing guiding system and application thereof

The invention discloses an editing guiding system and application thereof, and belongs to the technical field of biology. The guided editing system provided by the invention comprises pegRNA and corresponding guided editing protein, the 3'end of the pegRNA is fused with xrRNA derived from flavivirus, and the xrRNA derived from flavivirus has a function of resisting degradation of 5 '-> 3' exonuclease Xrn1, so that the stability/activity of the pegRNA can be improved; and gene editing operations such as conversion and transversion among various basic group types of the target site, insertion and deletion of small fragments and the like can be efficiently realized.

Virtual private network service identifier distribution method, message processing method and device

Provided in an embodiment of the present invention are a virtual private network service identifier allocation method, message processing method and device, the allocation method being applied to a predetermined boundary device, the method comprising: receiving a first virtual private network route announced by a provider edge device in a first domain; second virtual private network service identifications corresponding to a second domain are distributed according to the routing distinguishers, and the second virtual private network service identifications and the routing distinguishers are in one-to-one correspondence; a route discriminator space table item corresponding to the route discriminator is generated according to the first virtual private network route, a service identifier table item is generated, the service identifier table item comprises a preset action corresponding to the second virtual private network service identifier, and the preset action comprises the step of inquiring ...

Interphase current sharing control method and device for three-phase resonant converter

The invention discloses an inter-phase current-sharing control method and device for a three-phase resonant converter, and the method comprises the steps: collecting the actual data of the three-phase current of the three-phase resonant converter, decomposing the negative sequence quantity of the three-phase current in a dq coordinate system through a series of conversion and processing, and carrying out the calculation of the negative sequence quantity of the three-phase current in the dq coordinate system; and then the module length parameter of the negative sequence quantity is calculated, an obtained value is sent to the negative end of the PI controller, an angle control value obtained through calculation is sent to a control circuit, and closed-loop three-phase current sharing control can be realized by performing phase shifting processing on three phases, so that the control efficiency is improved.

Energy storage assembly and spring hydraulic operating mechanism

The embodiment of the invention provides an energy storage assembly and a spring hydraulic operating mechanism. The energy storage assembly comprises a working cylinder, an oil storage channel is formed in the working cylinder, and an oil through hole communicating with the oil storage channel is formed in the side wall of the working cylinder; the energy storage cylinder is movably arranged on the working cylinder in a sleeving mode and communicated with the oil storage channel through the oil through hole, the energy storage cylinder comprises a cylinder side wall and a cylinder bottom wall, the cylinder bottom wall is located at the bottom of the inner side of the cylinder side wall, a mounting hole allowing the working cylinder to penetrate through is formed in the middle of the cylinder bottom wall, and a first mounting groove and a second mounting groove which are distributed at intervals are formed in the inner wall of the mounting hole; the first mounting groove and the second mounting ...

Preparation method of special engineering plastic

The invention provides a special engineering plastic preparation method, which comprises: dissolving calcium carbonate in a certain amount of water, adding a dispersant, uniformly stirring, adding an initiator, adding a coupling agent, adjusting the pH value of the system to 3-6, carrying out suction filtration on the product after the reaction is completed, washing, drying, and screening to obtain organic modified calcium carbonate; respectively weighing the organic modified calcium carbonate and the amino molding plastic according to a certain ratio, and drying; and uniformly mixing the dried organic modified calcium carbonate and amino molding plastic, ball-milling, sieving, and pressing to obtain a standard sample, thereby obtaining the special engineering plastic.

Functional expression hybrid control method for driving motor of special electric vehicle

The invention provides a functional expression hybrid control method for a driving motor of a special electric vehicle. The comprehensive advantages of a fuzzy PID (Proportion Integration Differentiation) algorithm and a conventional PID control algorithm can be obtained by combining the fuzzy PID algorithm and the conventional PID control algorithm through a switching function. Meanwhile, in order to reduce the calculation burden and execution time of the controller and facilitate engineering implementation, a fuzzy proportion algorithm with fuzzy PID algorithm transient performance is adopted for replacement. The operation state of a motor is studied in a segmented mode according to the operation condition of a special vehicle, meanwhile, the situation that output weights of two control algorithms are determined by using a set of rules or an independent fuzzy algorithm is considered, additional fuzzy calculation is needed, and the increased calculation time and gain constant adjustment ...

External display screen mounting rack controlled by audio signals

The invention discloses an audio signal controlled display screen external mounting rack which comprises a movable base, a fixed base is fixedly mounted at the top of the movable base, a movable inner rod is movably mounted at the top of the fixed base, a mounting assembly is movably mounted in the movable inner rod, and an external display is detachably mounted in the mounting assembly. The installation clamping blocks are installed in the installation grooves in an embedded mode, the installation clamping blocks and the installation grooves are fixed through the fixing bolts, disassembly and assembly are convenient and fast, use is more flexible, the field influence is not enough, limitation is small, and the application range of the device is widened; lifting of the display screen is set, angle adjustment of the display screen is controlled, the display screen is made to present the most suitable angle, field personnel can watch conveniently, meanwhile, the height can be matched, and ...

Vertical bipolar junction transistor and manufacturing method thereof

The invention provides a vertical bipolar junction transistor and a manufacturing method thereof, and the method comprises the following steps: providing a substrate which comprises a substrate layer, a first insulating layer, a middle layer, a second insulating layer and a device layer which are sequentially stacked from bottom to top, converting the device layer into an insulating dielectric layer, forming a first groove and a second groove in the insulating dielectric layer, and forming a second groove in the first groove; forming a third trench and a fourth trench in the second insulating layer; forming a first isolation strip and a second isolation strip in the intermediate layer; doping to obtain an intermediate layer functional region; forming a first collector region and a second collector region; the manufacturing method provided by the invention starts from a double-insulating-layer substrate, such as a double-insulating-layer silicon-on-layer wafer, and the problem of integration ...

Short-term LSTM photovoltaic power prediction method and system based on transfer learning

The invention discloses a short-term LSTM photovoltaic power prediction method and system based on transfer learning, and the method comprises the steps: adding meteorological data into a photovoltaic prediction feature set through the combination of deep learning and transfer learning in the photovoltaic prediction field, and fully considering the influence of meteorological factors on photovoltaic output; the MMD is added to modify the LSTM model, the influence of the data distribution difference of the source domain and the target domain on the prediction precision is reduced, and therefore the technical problem that when historical photovoltaic power data and weather data are deficient, the photovoltaic power prediction precision is low is solved. By applying the method, the photovoltaic power at the future moment can be better predicted, the safety and economy of system operation scheduling are further improved, the operation organization benefits of power grid companies, power distribution ...

Safety monitoring system and method for electric vehicle charging station

The invention discloses an electric vehicle charging station safety monitoring system and method, and the system comprises a charging station safety management and control cloud platform, a charging pile state early warning unit, and a charging station video monitoring unit. The charging pile state early warning unit and the charging station video monitoring unit are embedded into a deep learning algorithm and used for achieving real-time early warning and prediction of the state of the charging pile and real-time monitoring and recognition of the abnormal state of the charging station, a traditional manual real-time video monitoring method is replaced, a dangerous source close to the charging station is recognized in real time with the help of the deep learning theory, and real-time monitoring of the charging station is achieved. And when it is detected that a dangerous source approaches the charging station or the charging pile runs abnormally, the electric vehicle charger in the charging ...

Micro-fluidic device for accurately separating micro-nano particles and control method of micro-fluidic device

The invention discloses a micro-fluidic device for accurately separating micro-nano particles and a control method of the micro-fluidic device. The device comprises a cover plate, a micro-fluidic chip and a bottom plate, and magnets are arranged between the micro-fluidic chip and the cover plate and between the micro-fluidic chip and the bottom plate respectively; an inlet hole and an outlet hole which penetrate through two plate surfaces of the cover plate are formed in the cover plate, an upper chip groove for mounting the upper half part of the micro-fluidic chip is formed in the plate surface, close to the bottom plate, of the cover plate, and an upper magnet groove for mounting a magnet is formed in the groove bottom of the upper chip groove; an inertia flow channel is arranged in the micro-fluidic chip, one end of the inertia flow channel is provided with a liquid inlet hole communicated with the inlet hole, and the other end of the inertia flow channel is provided with a liquid outlet ...

Vehicle detection method based on feature map biaxial Transform module

The invention relates to the field of target detection of computer vision. The invention aims to provide a vehicle detection method based on a feature map biaxial Transform module. The method has the characteristic of high detection precision. According to the technical scheme, the vehicle detection method based on the feature map biaxial Transformer module comprises the following steps of 1) collecting a road monitoring picture and marking a vehicle contour in the picture to form a data set; (2) the data set is input into a double-axis Transform module for training; and (3) detecting the road monitoring picture by using a double-axis Transform module.

Surgical guide plate with auxiliary positioning structure and manufacturing method thereof

The invention discloses an operation guide plate with an auxiliary positioning structure, which comprises an I-shaped positioning plate, connecting bodies and a plate, the I-shaped positioning plate comprises a left positioning plate and a right positioning plate, the connecting bodies comprise a left connecting body and a right connecting body, the top of the left connecting body is connected with the outer surface of the left positioning plate, and the top of the right connecting body is connected with the outer surface of the right positioning plate. The bottom of the left connecting body is connected with the top face of the plate, the top of the right connecting body is connected with the outer surface of the right positioning plate, the bottom of the right connecting body is connected with the top face of the plate, the plate is used for occlusion of a patient, and the left positioning plate and the right positioning plate make contact with the two sides of the outer side wall of ...

Method for making paper by utilizing recycled sludge

The invention discloses a method for making paper by utilizing recycled sludge, which comprises the following steps of: firstly performing heat treatment on the paper making sludge, and then adding a flocculating agent, and adopting ionic polyacrylamide, polyaluminum chloride, poly dimethyl diallyl ammonium chloride, polyoxyethylene and 2-methylisothiazolinone to form the flocculating agent. Components such as organic matters in the sludge can be fully removed, the dewatering rate of the sludge is improved, the dewatered sludge is subjected to mixed fermentation and filtration by adopting compound bacteria, extracellular polymeric substances and microbial cells of the sludge can be fully destroyed, hydrolytic acidification of the sludge is accelerated, and odor, impurities, slurry, organic matters and the like of the sludge are fully removed; fibers in the obtained sludge are used for papermaking again, so that the finished product performance of paper can be improved.

Probe device, superconducting quantum bit junction resistance measuring system, circuit and method

The invention discloses a probe device, a superconducting quantum bit junction resistance measuring system, a superconducting quantum bit junction resistance measuring circuit and a superconducting quantum bit junction resistance measuring method. The probe device is used for measuring the superconducting quantum chip and comprises a first probe, a second probe and a probe control mechanism. And the probe control mechanism is used for controlling the first probe and the second probe to move to the opposite side of a Josephson junction on the superconducting quantum chip, and enabling the first probe and the second probe to exactly pierce an oxide layer on the surface of an electrode of the Josephson junction. The change condition of a pressure signal borne by the probe is monitored in real time, so that the probe can accurately probe to an interface between an oxide layer of a Josephson junction electrode and the electrode, the probe can be well electrically connected with the Josephson ...

Video processing method and device, storage medium and electronic equipment

The invention relates to a video processing method and device, a storage medium and electronic equipment, a first terminal can send a shooting duration request message to a server corresponding to a target application program, and the shooting duration request message comprises a user category of a first user. The first user carries out video shooting on order articles in a target order through the target application program; receiving target shooting durations sent by the server according to the user categories, wherein different user categories correspond to different target shooting durations; and in response to obtaining a video shooting starting operation triggered by the first user on an instant messaging (IM) page of the target application program, performing video shooting on the order article according to the target shooting duration to obtain a target video, the video duration of the target video being less than or equal to the target shooting duration.

Electric power data acquisition device

The invention relates to an electric power data acquisition device which comprises a mounting base, the mounting base comprises an insulating base, a threading hole is formed in the insulating base, an acquisition cable is movably inserted into the threading hole, two acquisition cavities are formed in the insulating base, and the two acquisition cavities are located at the left end and the right end of the insulating base respectively; the acting exchange mechanism pulls the replacement mechanism to act, through the acting replacement mechanism, one butt-joint mechanism is made to do an opening action, the corresponding collection assembly is changed into an idle state from a working state, meanwhile, the other butt-joint mechanism is made to do an occlusion action, and the corresponding collection assembly is changed into the working state from the idle state. According to the electric power data acquisition device, the purpose of replacing the acquisition assembly in the working state ...

Superconducting quantum bit junction resistance measuring method and system

The invention discloses a superconducting quantum bit junction resistance measuring method and system. Comprising the steps that one of a first probe and a second probe makes contact with a first oxide layer on the surface of a first electrode, and the other probe is exactly inserted into the first oxide layer and makes contact with the first electrode based on pressure monitoring; electrically puncturing the first oxide layer through the first probe and the second probe; one of the third probe and the fourth probe is in contact with a second oxide layer on the surface of a second electrode, and the other probe is just inserted into the second oxide layer and is in contact with the second electrode based on pressure monitoring; electrically breaking down the second oxide layer through a third probe and a fourth probe; a resistance is measured between the other of the first probe and the second probe and the other of the third probe and the fourth probe. Through the above mode, the probe ...

Probe device and superconducting quantum bit junction resistance measuring system and method

The invention discloses a probe device, a superconducting quantum bit junction resistance measuring system and a superconducting quantum bit junction resistance measuring method. The probe device comprises a first probe, a second probe, a third probe, a probe control mechanism, a resistance monitoring module and a chip displacement table; the probe control mechanism is used for controlling the first probe to be put down to at least one side of the Josephson junction so that the first probe can make contact with an oxide layer on the electrode surface of the Josephson junction, and is further used for controlling the second probe and the third probe to be put down to the two sides of the Josephson junction respectively. Enabling the second probe and the third probe to exactly pierce an oxide layer on the surface of an electrode of the Josephson junction; the probes are connected with the resistance monitoring module so as to obtain a resistance value between the two probes; the chip displacement ...

Probe device and superconducting quantum bit junction resistance measuring device, system and method

The invention discloses a probe device, a superconducting quantum bit junction resistance measuring device, a superconducting quantum bit junction resistance measuring system and a superconducting quantum bit junction resistance measuring method. The probe device is used for measuring the resistance of the superconducting quantum chip and comprises a first probe, a second probe, a probe control mechanism and a power supply module, the probe control mechanism is used for controlling the first probe and the second probe to move to one side of a Josephson junction on the superconducting quantum chip, so that the first probe and the second probe are inserted into but do not penetrate through an oxide layer on the surface of a superconductor on one side of the Josephson junction; and the power supply module is used for applying an electric breakdown signal between the first probe and the second probe so as to break down the oxide layer below the two pricking positions on one side of the Josephson ...

Digital object storage method and device, electronic equipment and readable storage medium

The invention discloses a digital object storage method and device, electronic equipment and a readable storage medium, and relates to the technical field of data processing.The digital object storage method comprises the steps that basic information, metadata and a data file, uploaded by a user, of a digital object are received; wherein the basic information is generated by the user for the digital object according to a preset basic information format, the metadata is generated by the user for the digital object according to a metadata standard, and the data file is generated by the user according to data of a resource entity corresponding to the digital object; distributing an identifier for the digital object, and generating basic information data of the digital object according to the identifier and the basic information; and determining the basic information data, the metadata and the data file as digital object information of the digital object, and storing the digital object information ...

Pothole repairing machine for highway construction

The invention relates to the technical field of road maintenance, in particular to a road construction pothole repairing machine which comprises a seat body and a tamping block, a tamping opening is formed in the outer wall of the seat body, moving wheels are arranged at the four corners of the outer wall of the bottom of the seat body, a vertical rod is arranged on the outer wall of the seat body, and a mounting plate is arranged at the end of the vertical rod. A fixing cylinder is fixedly arranged on the outer wall of the mounting plate in a penetrating mode, a water tank is movably arranged in the fixing cylinder, a water adding cylinder is arranged on the outer wall of the water tank, a mounting groove is formed in the outer wall of the tamping block, a movable column is connected to the inner wall of the mounting groove through an elastic piece, and the end of the movable column is connected with the outer wall of the bottom of the water tank. According to the invention, the tamping ...

Control method and device applied to LLC resonant circuit

The invention discloses a control method and device applied to an LLC resonant circuit, and the method comprises the steps: obtaining a current operation state of the LLC resonant circuit in response to a circuit gain adjustment request, determining a corresponding action instruction based on the circuit gain adjustment request and the current operation state, and carrying out the control of the LLC resonant circuit. The on-off states of the first switch group, the second switch group and the third switch group are switched according to the action instruction, so that the LLX resonant circuit can be switched to different circuit modes according to different gain requirements, and the problems that when the output voltage change range of the power supply module is large, the switching frequency change of the three-phase LLC resonant circuit is large, the resonant current waveform is poor, and the power supply module is damaged are solved. And the operation stability of the circuit is improved ...

Electricity-gas combined economic dispatching method considering carbon transaction and parameter uncertainty of natural gas pipeline network

The invention discloses a two-stage robust electricity-gas joint economic dispatching method which is formulated for an electricity-gas coupling system and takes carbon transaction and natural gas pipeline network parameter uncertainty into consideration, and the method comprises the following steps: (1) modeling of the electricity-gas coupling system: respectively constructing a natural gas system solving model and an electric power system solving model, further constructing an electricity-gas combined economic dispatching model considering the carbon transaction; (2) problem modeling: proposing a two-stage robust economic dispatching model of the electricity-gas coupling system; (3) model conversion: reconstructing an uncertainty set and a bilinear term containing uncertain parameters, and equivalently converting the model containing the bilinear term into an adaptive linear robust optimization problem through a large M method; and (4) solving the model: decomposing an optimization problem ...

LaNi5 hydrogen storage material and preparation method thereof

The invention provides a LaNi5 hydrogen storage material and a preparation method thereof, and the method comprises the following steps: (1) adding lithium chloride and potassium chloride into an electrolytic bath, and heating and melting to obtain lithium chloride-potassium chloride fused salt; (2) sequentially adding lanthanum chloride and nickel chloride into the lithium chloride-potassium chloride molten salt, and stirring to obtain an electrolyte; and (3) adding an electrode into the electrolytic bath, taking an inert W wire as a cathode, a graphite rod as an anode and Ag/AgCl as a reference electrode, and carrying out electrolytic deposition after direct current is introduced to obtain the LaNi5 hydrogen storage material. The preparation method disclosed by the invention has the advantages of low electrolysis temperature, safety in operation and easiness in control of phase composition of the material, so that the prepared LaNi5 hydrogen storage material is few in impurity element ...

C-reactive protein monoclonal antibody as well as preparation method and application thereof

The invention discloses a C-reactive protein monoclonal antibody as well as a preparation method and application thereof. The amino acid sequence of the heavy chain CDR3 of the antibody is as shown in SEQ ID NO. 3 or SEQ ID NO. 9; the amino acid sequence of the light chain CDR3 of the antibody is as shown in SEQ ID NO. 6 or SEQ ID NO. 12. The C-reactive protein monoclonal antibody has good specificity and high affinity, meets the whole-course CRP detection requirements, does not have cross reaction with other proteins, can be used as a capture antibody, can be effectively applied to an ELISA method, has good detection linearity, precision, stability and accuracy, and has important application value in clinical detection.

GPU trusted execution environment system based on trusted platform control module (TPCM) and secure virtual machine

The embodiment of the invention provides a GPU trusted execution environment system based on a trusted platform control module (TPCM) and a security virtual machine, which ensures the consistency and metrics of memory data access verification logic of the security virtual machine and the GPU through the TPCM, and realizes active immune check and auditing event collection for processes accessing GPU resources. Data security transmission is realized based on national secret symmetric encryption and remote authentication, and meanwhile, the privacy protection problem of data aggregation calculation of all parties in a multi-party joint modeling scene is solved by constructing a trusted execution environment solution system. A TPCM (trusted platform control module), a trusted execution environment and a GPU are combined, a high-performance privacy computing system under the privacy protection condition is achieved, multi-party data joint modeling is achieved while privacy data of all parties ...

Wind turbine generator wind power curve consistency evaluation method

The invention discloses a wind power curve consistency evaluation method for a wind turbine generator, belongs to the technical field of wind power generation, and solves the problem that densely distributed outlier scatter points are difficult to clear during wind turbine generator power curve operation data preprocessing in the prior art. The method comprises the following steps: eliminating space-time discrete points, fitting an actual power curve of a wind turbine generator by adopting a DBSCAN clustering method, and comparing the actual power curve with a standard power curve of the wind turbine generator to determine a power curve consistency coefficient of the wind turbine generator, so as to carry out power curve consistency analysis on the wind turbine generator and evaluate the operation performance of the wind turbine generator; scattered points of original data, a cleaning result, a rated power curve and a wind speed power curve after data cleaning can be obtained by inputting ...

Quantum chip nondestructive testing probe device

The invention discloses a nondestructive testing probe device for a quantum chip. The nondestructive testing probe device comprises a probe and a probe control mechanism, the probe control mechanism comprises a displacement adjusting assembly; the displacement adjusting assembly comprises a Z-axis displacement coarse adjustment table and a Z-axis displacement fine adjustment table. One end of the Z-axis displacement coarse adjustment table is fixed to the Z-axis displacement fine adjustment table, and the Z-axis displacement fine adjustment table is pulled to be preliminarily adjusted in the Z-axis direction. The end, away from the Z-axis displacement coarse adjustment table, of the Z-axis displacement fine adjustment table is connected with the probe, and the probe is pulled to be precisely adjusted in the Z-axis direction so that the probe can be fed to the quantum chip to be detected. Through cooperative use of the above devices, accurate movement of the probe is facilitated, and accurate ...

Liquid crystal polyester composition as well as preparation method and application thereof

The liquid crystal polyester composition comprises the following components in parts by weight: 40-55 parts of LCP (Liquid Crystal Polyester) resin; 12-20 parts of a spherical inorganic filler; 1-20 parts of mica powder; 1-30 parts of a fibrous inorganic filler; 1.8 to 15 parts of a compound surface modifier; wherein the compound surface modifier comprises ultra-high molecular weight polyethylene and bisphenol A polyarylester, and the weight ratio of the ultra-high molecular weight polyethylene to the bisphenol A polyarylester is (0.5-3): 1. Through a compound filler system of spherical inorganic filler/mica powder/fibrous inorganic filler, a filler with a hard surface is formed; through a surface modification system of ultra-high molecular weight polyethylene/bisphenol A polyarylester, the dispersion of a filler system can be effectively improved, the surface of a workpiece is smooth and hydrophobic, and meanwhile, the CTI value can be increased, so that compared with an existing modified ...

Electrical contact connection method and system

The invention discloses an electric contact connection method and system. The electric contact connection method comprises the following steps: enabling a first probe to be in contact with a first film layer; moving the second probe to the first film layer, and monitoring a resistance value between the first probe and the second probe in real time; monitoring a first mutation of the resistance value, and continuing to move the second probe; monitoring the second mutation of the resistance value, stopping the movement of the second probe when the second mutation occurs, and enabling the second probe to be in contact with the second film layer at the moment. According to the electric contact connection method and system provided by the invention, the change condition of the resistance value between the first probe and the second probe is monitored in real time, so that the second probe can accurately and downwards probe to the interface of the first film layer and the second film layer, and ...

Island control method and system considering three-phase reclosing constraint of single-loop outgoing line of wind storage electric field

The invention discloses an island control method and system considering the three-phase reclosing constraint of a single-loop outgoing line of a wind storage electric field, and the method comprises the steps: detecting the charge state of matched energy storage in a wind power plant when a short-circuit fault occurs on the single-loop outgoing line of the wind storage electric field and a line protection action occurs; whether three-phase reclosing on the two sides of the line is executed or not is judged according to the charge state; when three-phase reclosing is carried out on the two sides of the execution line, a wind power plant outgoing line system side reclosing device carries out reclosing through preset delay time; and judging whether system-side reclosing succeeds or not, and executing wind power plant-side reclosing operation and switching states of a fan and energy storage in a wind field according to a judgment result. According to the method, the problem that a traditional ...

Thin-film resistor measuring structure, measuring method and measuring system

The invention provides a thin-film resistor measuring structure, method and system. The thin-film resistor measuring structure comprises a first resistor measuring module and a second resistor measuring module, the first resistance measurement module comprises a first bypass resistance measurement unit and a second bypass resistance measurement unit and is used for obtaining the resistance value of a bypass resistor; the second resistance measurement module comprises M measurement units which are connected in series and is used for obtaining resistance values of the bypass resistor and the thin-film resistor; m is an integer greater than or equal to 2. The structure is simple, the measurement steps are simple, and no complex instrument needs to be configured for measurement. Multiple times of measurement and data analysis at multiple positions are not needed, the obtained resistance value of the thin-film resistor is accurate, and the measurement structure and the measurement method are ...

Triple marker for predicting immunotherapy curative effect of liver cancer patient and application of triple marker

The invention discloses a triple marker for predicting the curative effect of immunotherapy of a liver cancer patient and application of the triple marker. The triple marker comprises SPP1, CD68 and COL1A1. The triple marker is used for preparing a product for predicting the curative effect of immunotherapy of a liver cancer patient, and the product comprises reagents of SPP1, CD68 and COL1A1. According to the invention, whether immunotherapy can be used or not is judged by detecting the expression of SPP1/CD68/COL1A1, that is, when SPP1, CD68 and COL1A1 are co-expressed at the boundary of a liver cancer tumor, the immunotherapy does not respond; when SPP1, CD68 and COL1A1 are not expressed at the boundary of the liver cancer tumor, the response is immunotherapy response. Therefore, missing of optimal treatment time due to invalid medication is avoided. The method can quickly and conveniently realize pre-treatment screening, is short in detection period and has wide application value.

Data self-service analysis equipment

The invention discloses data self-service analysis equipment which comprises an autonomous analysis equipment body, a display screen is arranged on the front face of the autonomous analysis equipment body, and a keyboard panel and a touch panel are arranged on the surface of the autonomous analysis equipment body and located below the display screen. According to the data self-service analysis equipment, the disinfection mechanism capable of movably covering the keyboard panel and the touch panel is arranged, the disinfection mechanism is stored in the main body of the data self-service analysis equipment during normal operation, and after the operation is finished, a U-shaped frame and membrane cloth of the disinfection mechanism can slide forwards to cover the keyboard panel and the touch panel and spray atomized alcohol to realize disinfection; the device is simple in structure, clean and sanitary, responds to the existing severe epidemic situation environment, uses the volatile and ...

Robust image watermarking algorithm based on two channels

The invention relates to the field of image processing, in particular to a robust image watermarking algorithm based on two channels. According to the method, after DWT is carried out on a U channel, a sub-band is selected for blocking, then DCT is carried out, a DCT intermediate frequency coefficient in each block is selected to embed a value in a watermark sequence, then inverse DCT is carried out, then inverse DWT is carried out, and a U channel image embedded with a watermark is obtained; dWT is carried out on a channel V, then a sub-band is selected for DCT, SVD is carried out on a DCT coefficient to obtain a singular value matrix S, SVD is carried out on a gray-scale map of the second watermark image to obtain a singular value matrix Sw, Sw is embedded into the matrix S according to an embedding rule to complete watermark embedding, then inverse SVD and inverse DCT are carried out to obtain a new wavelet sub-band, and the new wavelet sub-band is subjected to DCT to obtain a new wavelet ...

Inertia support control method and control device for bidirectional charging and discharging module

The invention discloses an inertia support control method and device for a bidirectional charging and discharging module, and the method comprises the steps: multiplying a difference value between a frequency value obtained through the calculation of a phase-locked loop at a grid-connected point and a set frequency reference value through a first gain coefficient in a DC voltage control loop of an AC/DC converter, and then transmitting the difference value to a front end of a first PI controller; after the difference value between the AC power measurement value of the grid-connected point and the power measurement value of the DC output port is superposed on the estimated loss of the DC/DC converter by the power control outer ring of the DC/DC converter, the product is multiplied by a second gain coefficient and then is sent to the front end of a second PI controller, so that the bidirectional charging and discharging module has an inertia supporting function; according to the method, a ...

Bidirectional charging module control method and system based on inertia support

The invention discloses a bidirectional charging module control method and system based on inertia support, and the method comprises the steps: inputting a difference result between a frequency value obtained through the calculation of a phase-locked loop at a grid-connected point and a set frequency reference value into a high-pass filter, and transmitting an obtained filtering result to a first PI controller; and the first current inner loop control and modulation module modulates and outputs a first modulation signal to the AC/DC converter. Meanwhile, a filtering result is subtracted from a difference result between a frequency value obtained through phase-locked loop calculation at a grid-connected point and a set frequency reference value to obtain a power control value, the power control value is sent to a second PI controller, and a second modulation signal is output to the DC/DC converter through modulation of a second current inner loop control and modulation module. The technical ...

Packaging structure of integrated thermopile infrared detector

The utility model provides a packaging structure of an integrated thermopile infrared detector, and the packaging structure of the integrated thermopile infrared detector comprises a first wafer which comprises a first substrate, a thermopile thin film, a metal bonding pad, and a first cavity, the thermopile thin film and the metal bonding pad are disposed on the front surface of the first substrate, and the first cavity is disposed in the first cavity. Wherein the first cavity is opposite to the thermopile film and extends to the thermopile film from the back surface of the first substrate; the second wafer is bonded with the first wafer and is positioned on the front surface of the first substrate; and the third wafer is bonded with the first wafer and is positioned on the back surface of the first substrate, and the third wafer comprises a second substrate and a second cavity which is arranged on the second substrate and is opposite to the thin film. Compared with the prior art, the ...

Source network load storage integrated system containing graphitization furnace and optimal scheduling method thereof

The invention discloses a graphitization furnace-containing source network load storage integrated system and an optimal scheduling method thereof, and the system comprises a graphite electrode production system, a photovoltaic power generation system, a thermal power generating unit power generation system, a water electrolysis hydrogen production system, an electrochemical energy storage system, and an integrated regulation and control center. On the premise that the power transmission curve of a single furnace is not changed, the overall load response of the graphitization furnace system is achieved, the adjusted load curve is highly matched with a photovoltaic power generation curve, the photovoltaic on-site utilization level is improved, carbon emission of high-energy-consumption industrial production is reduced, and the economic benefit is improved. Through optimal scheduling of a thermal power generating unit, photovoltaic power generation, water electrolysis hydrogen production, ...

Carbon emission prediction method and device of electric power system and computer equipment

The invention relates to a carbon emission prediction method and device of a power system and computer equipment. The carbon emission prediction method of the power system comprises the following steps: acquiring historical data of a preset area; based on the enterprise basic data, the industrial output value change data and the generating capacity, respectively determining enterprise feature elements, industrial feature elements and electric power feature elements; according to the enterprise characteristic elements, the industrial characteristic elements and the electric power characteristic elements, performing stationary correction on the initial electric carbon emission to obtain an optimal decision; wherein the optimal decision is that the autoregression order and the moving average order reach the minimum value; establishing an initial autoregressive moving average model, and correcting the initial autoregressive moving average model based on the optimal decision to obtain a current ...

Preparation device and method of nylon/polyaniline/polypyrrole composite fiber

The invention provides a device and a method for preparing nylon/polyaniline/polypyrrole composite fibers. The device comprises a pretreatment device, an aniline polymerization device, a pyrrole polymerization device and a post-treatment device. An aniline monomer input device and an initiator device are arranged at the initial end of the aniline polymerization device, a pyrrole monomer input device and an initiator device are arranged at the initial end of the pyrrole polymerization device, and nylon fibers are subjected to impurity removal, aniline surface polymerization, pyrrole surface polymerization, cleaning and drying under the action of the traction device. And collecting by a collecting device to obtain the nylon/polyaniline/polypyrrole composite fiber. Reaction liquid is mixed through the guide pipe by means of gravity, a mixing device is not needed, continuous traction of the nylon fiber is beneficial to further uniform mixing of the reaction liquid, and polyaniline and polypyrrole ...

Programmable gain amplifier, analog-to-digital converter and chip

The invention provides a programmable gain amplifier, an analog-to-digital converter and a chip. The programmable gain amplifier comprises a first resistor, a second resistor, a third resistor, a fourth resistor, an operational amplifier and a current compensation module, wherein; the input end of the current compensation module is connected with the reverse input end of the operational amplifier, the output end of the current compensation module is connected with the reverse output end of the operational amplifier, reverse input voltage of the operational amplifier is converted into compensation current, and currents of the positive output end and the reverse output end of the operational amplifier are balanced. According to the programmable gain amplifier, the compensation current with the input voltage information is connected to the reverse output end of the operational amplifier, so that the output voltage of the reverse output end and the voltage of the forward output end are balanced ...

Ultrasonic image playback method and device, electronic equipment and readable storage medium

The invention relates to the technical field of ultrasonic image processing, and discloses an ultrasonic image playback method and device, electronic equipment and a readable storage medium. The method comprises the following steps: acquiring an ultrasonic original data file corresponding to each frame of image in an ultrasonic image in a playback state; analyzing the ultrasonic original data file of each frame of image, determining valuable effective frame images in the ultrasonic image, and generating mark information for the effective frame images; and in response to a trigger operation on the mark information, skipping to a target frame image corresponding to the mark information based on the trigger operation. By implementing the technical scheme of the invention, the valuable effective frame image can be accurately positioned according to the mark information, and the frame-by-frame playback is not needed, so that the working efficiency of medical personnel is greatly improved, and ...

Non-electric quantity monitoring and diagnosing method and system for oil immersed transformer

The invention discloses a non-electric quantity monitoring and diagnosis method for an oil immersed transformer. The monitoring and diagnosis method comprises the following steps: S1, acquiring non-electric quantity information of the oil immersed transformer by using a non-electric quantity information acquisition front end in a non-electric quantity monitoring and diagnosis system; s2, collecting the collected non-electric quantity information to a local control cabinet collection terminal, transmitting the collected non-electric quantity information to a server by the local control cabinet collection terminal, and carrying out centralized monitoring on the non-electric quantity information through the server; s3, establishing a non-electric quantity database, and calculating a non-electric quantity health index H; a plurality of acquisition terminals are arranged on a transformer body to form centralized monitoring of non-electric quantities under a unified time scale, a non-electric ...

Robust watermarking method based on news text image

The invention provides a robust watermarking method based on a news text image. The method comprises the following steps: firstly, reading a grey-scale map of a carrier image, carrying out OSTU to obtain a text region of a news text image, and storing pixel point coordinates of the text region; and then, the carrier image is converted into a YCrCb format, and the character areas of the Cb channel and the Cr channel are selected by using the stored pixel point coordinates to carry out watermark embedding, so that the copyright protection can be deepened. On the other hand, principal component analysis is carried out on text areas on a Cr channel and a Cb channel of the original carrier image, and a proper principal component is selected to carry out watermark embedding by analyzing the contribution rate of the principal components of the two channels, so that the robustness of the watermark to various attacks is improved. When the method is used for coping with common attacks, the robustness ...

Spatial domain blind image watermarking method

The invention provides a spatial domain blind image watermarking method, and belongs to the technical field of image processing. According to the method, a transform domain algorithm is realized in a spatial domain, a sub-block selected by a carrier image is divided into four small sub-blocks, the small sub-blocks are combined to form a matrix after the maximum energy coefficient of Hadamard transform is calculated in the spatial domain, the maximum approximate singular value of approximate singular value decomposition is calculated in the spatial domain, and the maximum approximate singular value is obtained. The watermark is embedded by quantizing the maximum approximate singular value, and then the aim of embedding the watermark is fulfilled by directly modifying the image pixels according to the relationship between the maximum approximate singular value modification amount and the image pixels, so that the robustness of a transform domain algorithm is achieved, and the high-efficiency ...

Bipolar transistor structure and manufacturing method thereof

The invention provides a bipolar transistor structure and a manufacturing method thereof, the bipolar transistor structure comprises a P-type substrate, an N-type epitaxial layer, a separation structure, an electrode leading-out end injection region, a gate structure and an electrode leading-out end, the separation structure separates the P-type substrate and the N-type epitaxial layer into a first region and a second region, the electrode leading-out terminal injection regions comprise a base electrode leading-out terminal injection region, a collector electrode leading-out terminal injection region and an emitter electrode leading-out terminal injection region, the electrode leading-out terminal injection regions in the first region are electrically isolated, and the emitter electrode leading-out terminal injection region and the collector electrode leading-out terminal injection region in the second region are connected through a gate structure. According to the bipolar transistor, the ...