补水仪（Re332）

Minimum light abandoning method of distributed photovoltaic distribution network

The invention discloses a minimum light abandoning method for a distributed photovoltaic distribution network, and particularly relates to the technical field of photovoltaic distribution networks. The method comprises the following steps: constructing a target mathematical model according to the length of a feeder line between each photovoltaic node and a feeder line root node and the resistance value of the unit feeder line length; obtaining a resistance value between each photovoltaic node of the power distribution network and the feeder root node according to the target mathematical model; sorting the resistance values corresponding to the photovoltaic nodes according to numerical values; and at each out-of-limit moment, sequentially selecting the photovoltaic node corresponding to the maximum resistance value as a target photovoltaic node, and sequentially reducing the photovoltaic output corresponding to the target photovoltaic node until the voltage of the power distribution network ...

Detection method and detection device for position tampering fault of nitrogen-oxygen sensor and vehicle

The invention provides a method and device for detecting the position tampering fault of a nitrogen-oxygen sensor and a vehicle, and the method comprises the steps: calculating the cumulative deviation rate of an upstream nitrogen-oxygen sensor and a downstream nitrogen-oxygen sensor in real time under the condition of meeting an enabling condition and a stable working condition, the cumulative deviation rate being the difference between 1 and the cumulative ratio, and obtaining a position tampering fault of the upstream nitrogen-oxygen sensor and a position tampering fault of the downstream nitrogen-oxygen sensor; the first measurement accumulated value is the accumulated value of the measurement values of the downstream nitrogen-oxygen sensor, and the second measurement accumulated value is the accumulated value of the measurement values of the upstream nitrogen-oxygen sensor; under the condition that the cumulative duration reaches the preset duration and/or the cumulative flow of the ...

QUEUE MANAGEMENT METHOD AND DEVICE

A queue management method and device. The method comprises: monitoring a queue cache state; and after the period of time, for which the number of queue caches exceeds an early warning threshold of congestion, exceeds a pre-determined duration, starting to execute policy packet loss. This solution can solve the problem that the existing solution for solving congestion is unreasonable, and reduce the probability of generation of serious congestion in the future, thereby realizing the cooperation between a TCP and an AQM.

Low-temperature cryopreservation tube, grouper low-temperature cryopreservation method and application

The invention belongs to the technical field of ultralow-temperature cryopreservation, and particularly relates to a low-temperature cryopreservation tube, a grouper low-temperature cryopreservation method and application. According to the low-temperature cryopreservation tube, the bottom of the tube body concaves inwards and upwards to form the hollow tube exceeding the top of the tube body, the two ends of the hollow tube are communicated, the two ends of the hollow tube are not blocked, airflow circulation is smooth, and the surface area of the hollow cryopreservation tube is increased through the hollow tube, so that the cooling/heating rate can be increased, the cooling/heating uniformity is improved, and the service life of the cryopreservation tube is prolonged. The cryopreservation effect is improved, the motility rate of unfrozen sperms is high, and therefore the technical problem that in the prior art, the sperm cryopreservation effect of a cryopreservation tube is poor is solved ...

Electrolyte composition prediction method and device and computer equipment

The invention provides an electrolyte composition prediction method and device and computer equipment, and belongs to the technical field of computers. The method comprises the following steps: determining front track energy level differences corresponding to a plurality of first sample material groups; performing iterative training and correction on the initial orbit energy level difference prediction model according to the component proportion and concentration of each first sample material group and the front orbit energy level difference corresponding to each first sample material group to obtain a middle orbit energy level difference prediction model; performing iterative training and correction on the middle orbit energy level difference prediction model according to each second sample material group to obtain a target orbit energy level difference prediction model; and inputting the plurality of to-be-predicted material groups into the target orbit energy level difference prediction ...

METHOD AND DEVICE FOR MEDIA REPLICATION IN VIDEO CONFERENCE SYSTEM

Disclosed are a method and device for media replication in a video conference system. The method comprises: by setting a replication control unit and a replication processing unit between a media processing unit and target units in advance, the replication control unit judging each piece of source media stream sent by the media processing unit, and judging whether the source media stream needs to be replicated and distributed or not; and when it is determined that the source media stream needs to be replicated and distributed, the replication processing unit replicating the source media stream and then sending same to a plurality of corresponding target units. The device comprises: the replication control unit and the replication processing unit. By means of the present invention, by transferring the media streams which need to be replicated and distributed by the media processing unit in the video conference system, the media streams are replicated and distributed by the replication control ...

ANTI-ROLLOVER CONTROL METHOD, DEVICE AND SYSTEM AND ENGINEERING MACHINERY

An anti-rollover control method, device and system and engineering machinery, for solving the problem in the prior art of engineering machinery rollover accidents occurring when the ground is unstable or an object being lifted is too heavy. The method comprises: receiving the inclination angle detection signal of the engineering machinery; transforming the inclination angle detection signal into a deviation angle value; if the deviation angle value is greater than a preset maximum deviation angle threshold, then outputting an action command to stop increasing the deviation angle value; and if the deviation angle value is smaller than the preset minimum deviation angle threshold, then outputting an action command to stop decreasing the deviation angle value. The technical solution of the present invention improves the safety and reliability of engineering machinery.

美容仪（Re105）

项链（彝鹰系列）

Display screen mounting structure for comprehensive energy service display experience center

The utility model discloses a display screen mounting structure for a comprehensive energy service display experience center, which comprises a display screen, the display screen is connected in a dustproof box, the top of the dustproof box is connected with a dustproof cover, and the dustproof box is internally connected with a display screen mounting and adjusting device. The display screen is placed in the dustproof box, the dustproof cover is additionally arranged on the top of the display screen, the display screen is rotated out of the dustproof box through the adjusting device when the display screen is used, the display screen is in the dustproof box when the display screen is not used, and the cushioning device plays a role in protecting the display screen when the display screen is moved. Through cooperative use of the devices, the problem that after a traditional display screen installation structure is installed, a display screen cannot be adjusted and moved is solved.

Feature complementation image processing method for infrared-visible light image under low illumination

The invention relates to the technical field of low-illumination image feature extraction processing, in particular to a feature complementation image processing method for an infrared-visible light image under low illumination. Comprising the following steps: extracting a greatly stable region in an infrared-visible light image; carrying out attribute calculation on the feature region and classifying a greatly stable region; matching similar extremely stable regions; and positioning a foreground target area, and outputting a detection target. According to the design, visible light image information can be fused to realize rapid and accurate positioning of a target, a high-quality face image which is not influenced by ambient light is provided for face recognition, and the detection, recognition and tracking accuracy of operators is improved; background objects can be effectively filtered out, a foreground target detected in an infrared image can be positioned in an assisted manner, and ...

Preparation method of molybdenum film with novel surface structure

The invention relates to a preparation method of a molybdenum film with a novel surface structure, which is characterized by comprising the following steps: (1) cleaning a common white glass substrate to remove surface stains, and then blow-drying or drying for later use; and (2) coating the dried common glass substrate by adopting a magnetron sputtering method, when the glass substrate is placed, forming an included angle of 30-60 degrees between the substrate and the normal direction and forming an included angle of 120 degrees between the substrate and the incident direction of a target material, and coating a layer of molybdenum film with the thickness of 250-450 nm by taking metal Mo as the target material. The preparation method has the advantages that the surface structure with the directionally-arranged surface can be prepared only by changing the included angle between the substrate and the magnetic field and the included angle between the substrate and the electric field through ...

Operation abnormity detection method based on unmanned vehicle

The invention relates to the field of data processing, in particular to an operation anomaly detection method based on an unmanned vehicle, and the method comprises the steps: collecting coordinates and speed, decomposing a trajectory curve obtained from the position coordinates of a straightway region to obtain a periodic curve and a residual curve, and segmenting the residual curve to obtain a plurality of period categories; and according to the period category and the speed, obtaining a period section, further obtaining a speed period curve, carrying out matching on the speed period curve to obtain concurrent matching, further obtaining a final anomaly rate, and obtaining an operation anomaly detection result of the unmanned vehicle according to the final anomaly rate. According to the invention, the influence of the pavement structure and the problem of large error caused by speed change are avoided, and the operation anomaly detection sensitivity is improved.

METHOD AND SYSTEM FOR IMPLEMENTING CROSS-SEGMENT SIGNALING INTERCOMMUNICATION IN VIDEO CONFERENCE SYSTEM

A method and system for implementing cross-segment signaling intercommunication in a video conference system are provided in the present invention, which is used to implement the registration, admission and status (RAS) signaling intercommunication between terminals in different network segments and the gatekeeper in the external network. The method includes: a terminal registers to an RAS agent, after receiving an RAS signaling message sent from the terminal, the RAS agent establishes a mapping relationship between the sequence number in the RAS signaling message and the source IP address and port of the terminal, and forwards the RAS signaling message to the gatekeeper; after receiving an RAS response message returned from the gatekeeper, the RAS agent sends, according to the established mapping relationship, the RAS response message to the corresponding terminal.

SELECTION METHOD AND DEVICE FOR VIDEO SOURCE OF SUB-PICTURE OF MULTI-PICTURE IN MULTIMEDIA CONFERENCE

Disclosed are a selection method and device for a video source of a sub-picture of a multi-picture in a multimedia conference. The method comprises: a multi-point control unit detecting whether the state of a video source of each sub-picture of a multi-picture is abnormal; and the multi-point control unit selecting a video source in a normal state as the video source of the sub-picture corresponding to the video source in an abnormal state. The invention solves the problem that the video input fault of a terminal or unavailable video input affects the conference quality of the video conference in the related art, and achieves the effect of normal image display of all the sub-pictures of the multi-picture.

Nasal bone fracture recognition method and device, terminal and storage medium

The invention provides a nasal bone fracture recognition method and device, a terminal and a storage medium. The method comprises the following steps: acquiring a nasal bone image; inputting the nasal bone image into a trained injury condition type inference model to obtain an injury condition type corresponding to the nasal bone image; wherein the injury condition type inference model is a Res-Attention network based on space-channel attention, and the output of the injury condition type inference model comprises new injury, old injury and no injury. According to the method, nasal bone fracture recognition is performed on the nasal bone image through the Res-Attention network based on the space-channel attention, the space attention can improve the main feature expression ability of the image, and the channel attention mainly pays attention to representation extraction of effective information in the image, so that the Res-Attention network has better feature extraction ability, and the ...

DATA COLLECTION METHOD AND APPARATUS, AND COMPUTER READABLE STORAGE MEDIUM

A data collection method and apparatus, and a computer readable storage medium. The method comprises: receiving a data collection task, the data collection task carrying task information to be collected (101); when the task information meets a preset rule, determining the activated timer type according to the task information (102); performing data reading according to a timer corresponding to the timer type and a preset index identifier (103); and processing the read data according to the task information, and sending the processed data to a receiving end (104).

CHARGING DEVICE, ELECTRONIC EQUIPMENT AND METHOD OF GENERATING CURRENT AND CHARGING

A charging device, an electronic equipment, and a method of generating current and charging. The charging device includes: a first gear (101) whose center of gravity is not at its circle center, a rotor shaft (102), a winding (103), a first magnet (104), and a second magnet (105). The first gear (101) connected with the rotor shaft (102), when rotating under gravity, drives the rotor shaft (102) to rotate. The rotor shaft (102) connected with the winding (103), when rotating, drives the winding (103) to rotate. The winding (103) is located between the N-pole of the first magnet (104) and the S-pole of the second magnet (105). The winding (103) cuts the magnetic line between the N-pole of the first magnet (104) and the S-pole of the second magnet (105) in the case of rotating, thereby generating and outputing current. By use of the device, it is more convenient to charge a rechargeable battery of the electronic equipment, and the energy consumption can be saved.

Graphene fiber mesh pavement heating device and use method thereof

The invention discloses a graphene fiber mesh pavement heating device, which comprises a graphene fiber mesh pre-buried in a road and a mounting pipe, the top end of the mounting pipe extends to the pavement, and the graphene fiber mesh is connected with a starter; the upper piston is connected into the mounting pipe in a sliding mode, and a water inlet hole is formed in the center of the upper piston in a penetrating mode; the top end of the first connecting pipe is fixedly connected with the bottom surface of the upper piston; the upper end of the second connecting pipe is fixedly connected with the lower end of the first connecting pipe; in rainy and snowy days, rainwater and snow water enter a second connecting pipe through a water inlet hole, a lower piston is pressed downwards to enable the lower piston to move downwards, an inserting rod presses a first self-resetting control button in the lower piston, accordingly, a first controller controls a starter to be started, a graphene ...

Method and system for evaluating state of health of proton exchange membrane fuel cell, and medium

According to the technical scheme, the method and system for evaluating the state of health of the proton exchange membrane fuel cell and the medium comprise the following steps that S1, a semi-empirical aging model of the voltage of the proton exchange membrane fuel cell is established, and model parameters are identified; s2, constructing an evaluation matrix for representing the health state of the proton exchange membrane fuel cell; and S3, introducing a model uncertainty candidate position and an uncertainty value into the state-space equation, calling experimental data of the proton exchange membrane fuel cell, and calculating and outputting the model uncertainty of the semi-empirical aging model and a calculation result of the evaluation matrix based on a Bayesian framework. According to the method, the influence of the uncertainty of the fuel cell semi-empirical model on the evaluation of the health state of the cell is considered, and the uncertainty is quantified, so that a more ...

Method for preventing rollover of unmanned vehicle in mining area and related device

The invention discloses a mining area unmanned vehicle rollover prevention method and a related device, and relates to the technical field of automatic driving. The method comprises the following steps: acquiring environment point cloud data; a ground point cloud data segmentation step of performing point cloud segmentation on the point cloud data to obtain ground point cloud data; a ground area curvature calculation step; a driving path stability preliminary screening step: acquiring a planned driving path of the vehicle; based on the longitudinal ground gradient and the lateral ground gradient obtained through calculation, stability preliminary screening is carried out; and a sideslip and roll stability calculation step: calculating the maximum yaw angle and the maximum roll angle of the vehicle at the first position based on a vehicle dynamics model. According to the technical scheme, the vehicle driving stability can be predicted more accurately, and the driving safety of the vehicle ...

Intelligent geological parameter monitoring device

The invention discloses an intelligent geological parameter monitoring device in the field of parameter measurement, which comprises a base, a bracket, a first support column and a second support column are arranged at the top of the base, and the first support column and the second support column are positioned on the inner side of the bracket; a touch screen is arranged on the bracket and is electrically connected with a controller; a rotating shaft is arranged between the first supporting column and the second supporting column, and the rotating shaft is rotationally matched with the first supporting column and the second supporting column; a motor and a fixing frame used for supporting the motor are arranged on the side, away from the rotating shaft, of the second supporting column, the fixing frame is fixedly connected with the second supporting column, and the motor is electrically connected with the controller. An output shaft of the motor is connected with a torque sensor, the torque ...

Self-snow-melting pavement paving structure based on graphene and construction method of self-snow-melting pavement paving structure

The invention belongs to the technical field of pavement structures, and particularly relates to a self-snow-melting pavement paving structure based on graphene and a construction method of the self-snow-melting pavement paving structure. The surface of the roadbed layer is covered with an asphalt layer; a graphene conductive fiber net is pre-buried in the asphalt layer; a protective box is fixedly connected to the side surface of the roadbed layer; a controller and an electricity storage device are arranged in the protection box; a photovoltaic panel is arranged on the side surface of the roadbed layer; the construction requirement of the graphene conductive fiber net is low, the graphene conductive fiber net only needs to be placed in the asphalt layer during laying, when accumulated snow appears on the road surface, power can be supplied to the graphene conductive fiber net through the power storage device, then the graphene conductive fiber net generates heat, the heat is conducted ...

Nondestructive testing method for metal matrix and surface treatment layer thereof

The invention relates to the field of component analysis of inspection and detection materials, in particular to a nondestructive testing method for a metal matrix and a surface treatment layer of the metal matrix. The method comprises the following steps: drawing an element normal distribution curve of a standard sample and a normal distribution curve of a to-be-detected sample, fitting to obtain the similarity probability of elements of the to-be-detected sample and elements of the standard sample, and judging whether the to-be-detected sample is qualified or not according to the similarity probability. By taking a standard sample as a reference, nondestructive testing of a to-be-tested sample with unknown material components is realized, and one-time detection of three process control requirements of a metal matrix component, a surface treatment component and a surface treatment thickness of the to-be-tested sample is realized.

PAPER HANDKERCHIEF WITH WASHING FILM AND PROCESSING METHOD THEREOF

A paper handkerchief (1) with a washing film (2) and a processing method thereof are provided. The invention relates to the field of hygienic products. The paper handkerchief (1) with a washing film (2) includes a paper handkerchief (1), and the washing film (2) is attached outside the paper handkerchief (1). The invention is simple in structure, high in usability, safe and sanitary, cleans hands of a consumer and promotes good health habit further. The processing method has the advantage of easy processing.

QUALITY PREDICTION METHOD AND DEVICE FOR PHYSICAL DOWNLINK CONTROL CHANNEL OF LONG TERM EVOLUTION SYSTEM

Disclosed are a quality prediction method and device for a physical downlink control channel of a long term evolution system. The method comprises: determining target user equipment (UE) required for performing quality prediction on a physical downlink control channel (PDCCH), and receiving information reported by the target UE; according to the reported information, determining a prediction index of the target UE, the prediction index being the signal to interference plus noise ratio(SINR) of the control channel or the equivalent receiving level (RPPDCCT) of the control channel; and according to the SINR or the RPPDCCT, determining the PDCCH quality of the target UE. The present invention can be applied to provide more accurate and highly efficient control channel quality prediction for LTE users on the premise of not adding measurement and signalling, thereby achieving the purpose of providing a quick and precise positioning basis for a control channel element (CCE) resource and power ...

Engine piston strength test method and system

The invention discloses an engine piston strength test method and system. The method comprises the following steps: determining combustion pressures corresponding to different ignition advance angle offsets; according to the combustion pressures corresponding to the different ignition advance angle offsets, the cylinder with the maximum combustion pressure in all cylinders of the engine under the same ignition advance angle is determined; and performing a super knock test on the cylinder with the maximum combustion pressure of the engine to judge whether the strength of the engine piston is qualified or not. According to the invention, the strength of the engine piston can be detected, the qualification of the strength of the engine piston is ensured, meanwhile, the strength defect of the piston can be found in advance in the development stage, and the risk of recall due to damage is effectively avoided.

Method and software platform for calculating residual life of normal-pressure vertical storage tank

The invention relates to a method for calculating the residual life of a normal-pressure vertical storage tank and a software platform. The method for calculating the residual life of the normal-pressure vertical storage tank comprises the following steps: scoring inspection items one by one; calculating scores of items where the same type of items are located; inputting the project score into a software platform, and inputting the storage tank case into the software platform; the software platform calculates the residual life of the storage tank under a single item score according to the item score and the storage tank case; the software platform judges whether the result is reserved or not according to the calculation result of the remaining life of the storage tank; the software platform calculates the weight of each scoring item; and the software platform combines the residual life of the storage tank under a single item score with the weight result of each score item to calculate a ...

RESONANT CAVITY STRUCTURE FOR GENERATING RADIAL POLARIZED LASER

Provided is a resonant cavity structure for generating radial polarized laser, comprising a tail mirror (1), a first equivalent 1/2 wave plate (17), a second equivalent 1/2 wave plate (18), a window mirror (6) and three sections of gain regions (7, 8, 9); the three sections of gain regions (7, 8, 9) are connected in series in space via the first equivalent 1/2 wave plate (17) and the second equivalent 1/2 wave plate (18) to form a complete resonant cavity optical path; the tail mirror (1) and the window mirror (6) are respectively located at the head end and tail end of the resonant cavity optical path; optical axes where the three sections of gain regions (7, 8, 9) are located along on the resonant cavity optical path are mutually parallel; and an included angle between an optical axis of the first equivalent 1/2 wave plate (17) and an optical axis of the second equivalent 1/2 wave plate (18) is 45 degrees. An initial polarization state of a light beam in the cavity is determined as an ...

Pole number plate pasting device

The pole number plate pasting device comprises a support, the lower end of the support is vertically provided with a supporting rod, and the outer side of the support is provided with a power rod used for pressing the support on a pole tower; the pressing roller assembly comprises two rotating pieces which are symmetrically arranged and rotationally connected to the support, a pressing roller vertically arranged on the inner side of the support and an elastic piece used for resetting a connecting piece, the pressing roller is arranged on the rotating pieces in a rolling mode, and the pressing roller is opened and closed through the rotating pieces and the elastic piece. According to the scheme, operation is easy, pasting is smooth and free of wrinkles, manual operation cost is reduced, and operation efficiency and pasting quality are improved.

Omnidirectional reflection pure green glass for photovoltaic module

The invention relates to omnidirectional reflection pure green glass for a photovoltaic module, which comprises a glass substrate and is characterized in that a rough diffusion layer, a first high-refractive-index dielectric layer, a second low-refractive-index dielectric layer, a third high-refractive-index dielectric layer and a fourth low-refractive-index dielectric layer are sequentially arranged on the glass substrate from bottom to top; the rough diffusion layer is a glass body structure layer, and the root mean square value Rq of the contour average deviation of the rough diffusion layer is 1.1-10 [mu] m; the first high-refractive-index dielectric layer and the third high-refractive-index dielectric layer are ZrOXNY films, and the refractive index range of the ZrOXNY films is 2.0-2.2; the second low-refractive-index dielectric layer and the fourth low-refractive-index dielectric layer are ZrOXNY films, and the refractive index range of the ZrOXNY films is 1.7-1.8; the omni-directional ...

Gasoline methanol flexible fuel mutual soluble preservative

The invention provides a gasoline methanol flexible fuel mutual soluble preservative, which is prepared from methyl tertiary butyl ether, 1, 1 '-[ethyl indene dioxygen] dipropane, 1-(1-ethyoxyl ethyoxyl)-butane, propionaldehyde diethyl acetal, C9-11 alkane and alcohol, and the gasoline methanol flexible fuel mutual soluble preservative is prepared from the following raw materials: methyl tertiary butyl ether, 1, 1'-[ethyl indene dioxygen] dipropane, 1-(1-ethyoxyl ethyoxyl)-butane, propionaldehyde diethyl acetal, C9-11 alkane and alcohol. After the gasoline methanol flexible fuel mutual-soluble preservative provided by the invention is used, methanol in any proportion is added into gasoline, so that mutual dissolution can be realized at-35 DEG C, the problem of mutual dissolution of methanol and gasoline in a low-temperature environment is solved, and vehicle fuel taking methanol gasoline as a main body is realized. The gasoline methanol flexible fuel mutual-soluble preservative provided ...

IMAGE ADJUSTING METHOD, MULTIPOINT CONTROL UNIT, AND COMPUTER STORAGE MEDIUM

An image adjusting method, an MCU, and a computer storage medium. The method comprises: receiving video image data of each site, and decoding the video image data of each site to obtain a site image; performing mode identification processing on each site image to obtain an average image proportional value of a specified object in each site image; determining a first difference between the average image proportional value of the specified object in each site image and a first preset site image proportional value; and adjusting the focal length of a video collecting device by using the first difference, so as to adjust the average image proportional value of the specified object in each site image.

METHOD AND DEVICE FOR SWITCHING TERMINALS IN AUDIO AND VIDEO COMMUNICATION

Disclosed is a method of switching terminals in audio and video communication, comprising: determining, by a cloud server, whether an account needing call transfer exists according to parameter information uploaded by each terminal under each account; if the account needing call transfer exists, selecting a terminal to be called according to the parameter information and/or preset information; and transferring communication data corresponding to a current call terminal under the account needing call transfer to the terminal to be called.

SIGNAL DESIGN METHOD AND SYSTEM FOR OFDM COMMUNICATION, TRANSMITTER, AND RECEIVER

Disclosed are a signal design method and system for OFDM communication, a transmitter, and a receiver, to solve the problem in the related art that the random access procedure in OFDM communication has a large signaling overhead and cannot support high-density terminal communication. The method comprises: dividing roots of a preamble ZC sequence allocated to a target cell into at least two groups, and applying different orthogonal codes to each group of roots to form a preamble resource pool; selecting a corresponding preamble resource from the preamble resource pool to generate a preamble portion of a communication signal of a user equipment; generating a data portion of the communication signal of the user equipment by applying an extended code to transmission data to realize multi-user concurrent access; and combining the preamble portion and the data portion into frames.

Direct current charging gun with self-locking function

The invention discloses a direct-current charging gun with a self-locking function, and belongs to the technical field of direct-current charging guns. The charging gun comprises a charging gun head connector, an anti-falling sliding block, a charging gun body, a charging gun grip, a rotating mechanism and a locking buckle, the charging gun head connector is inserted into the charging gun body, the connector end is exposed outside, the rotating mechanism is arranged on the outer side of the charging gun head connector in a sleeving mode and fixedly connected with the front end face of the charging gun body, and the locking buckle is arranged on the charging gun grip. A charging gun grip is installed on the rear side of the charging gun body, an anti-disengaging sliding block is installed on the rotating mechanism, a locking buckle is installed on the charging socket, and the anti-disengaging sliding block is installed on the charging socket in a clamped mode through the locking buckle.

MINING WORKFACE INSPECTION ROBOT AND APPLICATION THEREOF

A mining workface inspection robot and an application thereof, said inspection robot comprising a machine body (1), an explosion-proof omnidirectional vehicle-mounted platform (32), a sensor integration module (34), an explosion-proof infrared camera (323) and an intrinsically safe wireless communication device (17); four independent suspension apparatuses (14) are symmetrically arranged around a chassis (11), and respectively connected to locomotion apparatuses (4); an explosion-proof servo motor (12) is connected to a transmission apparatus (13), and the transmission apparatus is connected to the locomotion apparatuses; an explosion-proof steering gear (15) is connected to the independent suspension apparatuses, and controls the steering of the locomotion apparatuses. The mining workface inspection robot can monitor workface roof deformation, gushing water and equipment operations in real time, and can monitor workface temperatures and harmful gas concentrations in real time. The mounted ...

METHOD AND DEVICE FOR ELECTRONIC DEVICE SECURITY PROTECTION

The present invention relates to the field of communications. Disclosed are a method and device for electronic device security protection. The solution is such that: a first electronic device establishes a signal connection with a second electronic device via a preset approach, and, the first electronic device triggers an alarm signal after detecting that the strength of the signal connection falls below a preset signal threshold for a duration that reaches a preset duration threshold,. In the method, the first electronic device detects the strength of the signal connection with the second electronic device to determine whether or not the alarm signal is to be triggered, thereby effectively preventing not only the loss of the electronic device but also property loss and information leakage. By means of a two-way electronic device security device, improved management of electronic devices of a user is allowed, and security coefficient is increased.

IMAGE PROCESSING METHOD, APPARATUS, COMPUTER READABLE MEDIUM, AND ELECTRONIC DEVICE

Provided in the embodiments of the present application are an image processing method, an apparatus, a computer readable medium, and an electronic device. The image processing method comprises: acquiring an image to be processed that contains reflective ghosting; calculating an image gradient of the image to be processed; according to the image gradient, determining a gradient of a target image after the reflective ghosting has been removed from the image to be processed; on the basis of the gradient of the target image, generating the target image. The technical solutions of the embodiments of the present application may effectively remove reflective ghosting in an image, thus ensuring that a processed image is high quality.

NETWORK ELEMENT STATE INFORMATION PROCESSING METHOD AND APPARATUS, MME, AND HSS

Provided are a network element state information processing method and apparatus, an MME, and an HSS. The method comprises: sending S-GW network element state information of a serving gateway (S-GW) and/or PDN GW network element state information of a packet data network gateway (PDN GW) to a home subscriber server (HSS), thereby solving the problem in a related art that the HSS cannot obtain states of the SGW and the PGW network elements, so that the effects are achieved that the HSS can obtain the states of the SGW and the PGW network elements, and a basis is provided that different operations are performed according to different states of the network elements.

Slurry pump product for melting small-particle alloy coating technology

The invention relates to a slurry pump product of a fusion small-particle alloy coating technology. The slurry pump product comprises a pump part A of the slurry pump product, a power transmission device B of the slurry pump product, a casting part (20) for bearing the pump part A, a steel column part (21) for bearing the pump part A and a slurry pump base part (22), wherein the pump shell part (1) made of the steel material, the impeller part (2) made of the steel material, the front protective plate part (3) made of the steel material and the rear protective plate part (5) made of the steel material are all used for carrying out technical treatment on small-particle alloy coatings on the working surfaces of all the parts, and the small-particle alloy coating technology is carried out on the working surfaces of all the parts. The HRC of the working surface of each small-particle alloy coating is larger than or equal to 60 degrees; under the working condition operation of a slurry pump ...

COAL GANGUE INTERFACE RECOGNITION TEST SYSTEM FOR TOP COAL CAVING

A coal gangue interface recognition test system for top coal caving, comprising a base (1), a coal gangue particle impact vibration test device, and a coal flow-simulated coal gangue caving impact test device, wherein the coal gang particle impact vibration test device comprises a vibration stand device (3), a support assembly, a coal caving device (2), and a high-speed camera assembly (205). The coal gangue particles is released to the vibration stand device (3) by means of the coal caving device (2). Instantaneous image information of the coal gang particles falling to the vibration stand device (3) is obtained by the high-speed camera assembly (205). The coal flow-simulated coal gangue caving impact test device comprises a coal flow-simulated caving device (4), a coal gangue conveying device (401), a coal shoveling device (405), and a top coal caving hydraulic support working group (5). The coal flow-simulated coal gangue caving impact test is performed on the top coal caving hydraulic ...

METHOD AND DEVICE FOR PARTICIPANTS TO PRIVATELY CHAT IN VIDEO CONFERENCE

A method and device for participants to privately chat in a video conference. The method comprises: acquiring information about a private chat receiver according to a first pre-set instruction; sending a private chat request to the private chat receiver according to the information about the private chat receiver; receiving a first response message returned by the private chat receiver; if the content of the first response message is that the response is successful, sending a request for establishing a private chat audio-video channel to the private chat receiver; receiving a second response message returned by the private chat receiver; and if the content of the second response message is accepting the request, establishing the private chat audio-video channel with the private chat receiver. By means of the solution provided in the embodiments of the present invention, by sending a request for establishing a private chat audio-video channel to a private chat receiver, and establishing ...

5G repeater self-excitation detection method, system, equipment and storage medium

The invention belongs to the field of wireless communication, and discloses a 5G repeater self-excitation detection method, system and device and a storage medium, which can realize self-excitation detection without any change on the basis of the original hardware and structure of the 5G repeater. According to the invention, the power waveform can be monitored in real time, self-excitation induction confirmation can be completed within seconds when a self-excitation power jump waveform appears, and the detection real-time performance is good; the monitoring process is in a passive state and has no influence on services, self-excitation induction confirmation is short in time consumption and slight in influence on the services, and link services do not need to be interrupted in the whole process; according to the method, the step of induction confirmation is added on waveform detection, so that the self-excitation false detection rate is very low. The method has universality, can be applied ...

Control method of intelligent furniture

The invention discloses a control method of intelligent furniture, and belongs to the field of intelligent furniture, the intelligent furniture comprises a furniture body, a movable part and a shielding part, the furniture body is provided with a cavity for accommodating the movable part, and the shielding part is provided with an unfolding position and a storage position on the furniture body. A first driving device and a second driving device are arranged in the furniture body, a sensor, a controller and a receiving box are further arranged in the furniture body, the controller is connected with the sensor and the receiving box, and the control method is that the movement of the movable part and the shielding part is controlled according to a control instruction. By means of the control method, position switching of the shielding part and the movable part can be achieved, the use requirement of a user is met, and the interference problem does not occur in the switching process.

INTERACTION METHOD, DEVICE, STORAGE MEDIUM AND OPERATING SYSTEM

Provided by embodiments of the present invention are an interaction method, a device, a storage medium and an operating system. The method comprises: in response to voice information, acquiring a response object to which corresponding voice information is registered and which occupies an interactive medium; and informing the response object to respond to the voice information. By means of the described solution, an operating system automatically determines a response object used for responding to voice information triggered by a user from among numerous response objects in view of voice information registered in each response object and the occupation of interactive media by each response object so as to break the limitation by which a user must speak a wakening word to start a required response object each time before speaking voice information, a user only needing to speak short voice information that shows the intention for use thereof during a process of using a certain response object ...

TITANIUM DIBORIDE/BORON CARBIDE COMPOSITE ELECTRODE, PREPARATION METHOD THEREFOR AND USE THEREOF

Provided are a titanium diboride/boron carbide composite electrode, a preparation method therefor and a use thereof, wherein the titanium diboride/boron carbide composite electrode comprises a substrate and a composite coating provided on the substrate, and the composite coating comprises titanium diboride and boron carbide. A titanium diboride coating can effectively improve the electrical conductivity of the composite coating; in addition, the incorporation of boron carbide can effectively improve the catalytic activity of the composite coating. Therefore, the titanium diboride/boron carbide composite electrode can effectively improve electrical conductivity and catalytic activity, and greatly improve the yield of ammonia gas produced by the electrocatalytic reduction of nitrogen. Also provided is a method for preparing the titanium diboride/boron carbide composite electrode, wherein a titanium diboride/boron carbide composite electrode with an excellent catalytic performance can be prepared ...

Abnormal behavior identification method based on infrared-visible light image fusion

The invention relates to the technical field of image recognition processing, in particular to an abnormal behavior recognition method based on infrared-visible light image fusion. The method comprises the following steps: firstly, performing image enhancement processing on infrared-visible light images, performing target classification and labeling on the fused images to serve as training samples, constructing a target detection model, and inputting feature vectors corresponding to fused image information into the target detection model to obtain an identification result; inputting the infrared visible light fusion video stream into a 3D neural network, and performing feature calculation on the time dimension and the space dimension of the video data; and performing feature extraction on the related data of the human body joint points by using a 3D convolutional neural network, and detecting abnormal behaviors according to posture information obtained by extracting a human body skeleton ...

Voice skill UI updating method, online debugging method and device

The invention discloses a voice skill UI updating method and device and an online debugging method and device.The voice skill UI updating method comprises the steps that a current pre-downloading category is obtained from a cloud end, and the current pre-downloading category comprises a universal voice skill UI and a special voice skill UI, the special voice skill UI is obtained based on prediction of historical voice interaction behaviors of the target user in the cabin; determining a non-downloaded voice skill UI from the current pre-downloading category; and obtaining resource packet address information of the undownloaded voice skill UI, and pre-downloading a resource packet of the undownloaded voice skill UI from the cloud based on the resource packet address information. According to the method and the device, the starting speed of the voice skill UI is not influenced while the voice skill UI is normally new online.

Application of platelets and markers thereof in treatment and diagnosis of liver cancer

The invention provides application of platelets and markers thereof in treatment and diagnosis of liver cancer. In-depth study is carried out on the state change of platelets in the occurrence and development process of the liver cancer, and the platelets and the markers ITGA2B and TMEM176B are obviously related to the progress and prognosis of the liver cancer, so that the level of the platelets in a subject can be evaluated by detecting the markers; the probability of suffering from the liver cancer of the subject is predicted in advance, or the treatment prognosis condition of the liver cancer patient is reasonably evaluated. Meanwhile, the invention also finds that the growth of tumors can be effectively inhibited by reducing the level of platelets. The marker provided by the invention obviously improves the clinical detection applicability and application range, has higher accuracy and sensitivity compared with the traditional AFP detection, provides a new direction for subsequent ...

Building construction vibrating device

The invention discloses a building construction vibrating device which comprises a vibrating machine frame, a plurality of swing rod pieces are arranged on the vibrating machine frame side by side in a rotating connection mode, each swing rod piece is provided with a vibrating rod body, the building construction vibrating device further comprises a driving mechanism and a driving mechanism, and the driving mechanism comprises a connecting rod piece; the connecting rod piece is rotationally connected with the swing rod pieces, so that the connecting rod piece can synchronously drive the swing rod pieces and the vibrating rod bodies to swing, and when concrete needs to be vibrated, the vibrating rack is driven to move to synchronously drive the multiple vibrating rod bodies to move; and in the moving process of the vibrating rod body, the connecting rod piece is driven to move to drive the oscillating rod piece and the vibrating rod body to oscillate, so that the vibrating area of the vibrating ...

Objective optometry system and method for refractive state

The invention provides an objective optometry system and method in a refractive state, and the method comprises the steps: a laser light source emits blue laser, green laser and infrared laser, and an optical beam splitter splits the laser into a reference light path and a measurement light path; the plane mirror reflects the reference light path along the original path, and the reference light path is received by the interference measurement device; the light adjusting device refracts the measuring light path to measure the range of the measured object, and the refracted measuring light path is received by the interference measuring device after being subjected to original path reflection by the measured object; afterwards, the interference measurement device obtains interference measurement signals according to the incident measurement light path and the reference light path, and the data processing device obtains refraction factor data of the measured object according to the interference ...

METHOD, DEVICE AND SYSTEM FOR CONTROLLING MULTIMEDIA PLAYING IN MULTIMEDIA CONFERENCE SYSTEM

A method, device and system for controlling multimedia playing. The method comprises: acquiring privacy configuration information about a first conference terminal as a video source, the privacy configuration information comprising a viewed permission, wherein the viewed permission represents whether the first conference terminal permits multimedia information collected by the first conference terminal to be played on one or more second conference terminals in a multimedia conference system; and saving the privacy configuration information about the first conference terminal, sending the privacy configuration information to a conference television server in the multimedia conference system, and conducting, by the conference television server, corresponding processing on the multimedia information collected by the first conference terminal according to the privacy configuration information, so that the privacy of a conference participant in the multimedia conference system can be fully ensured ...

Automobile automatic refueling mechanism and working method thereof

The invention relates to an automobile automatic refueling mechanism and a working method thereof, and belongs to the technical field of automatic refueling. The mechanism comprises a six-axis mechanical arm, an air cylinder, an automatic oiler and a control system, the tail end of the six-axis mechanical arm is connected with the automatic oiler through the air cylinder, and the six-axis mechanical arm, the air cylinder and the automatic oiler are all connected with the control system. The whole working state can be determined after the laser scanner scans and positions, uncovering and refueling actions are coaxial, repeated posture adjustment is not needed, use of a large number of sensors is avoided, the whole automobile refueling process is automatic, the automobile refueling efficiency is improved, the labor intensity of workers in a refueling station is relieved, and the working efficiency is improved. And the labor cost of automobile refueling is reduced.

METHOD, DEVICE AND APPARATUS FOR COMBINING DIFFERENT INSTANCES DESCRIBING SAME ENTITY

A method, device and apparatus for combining different instances describing the same entity. The method comprises: acquiring a connection diagram comprising a plurality of instances (S110), wherein different nodes in the connection diagram indicate different instances, and connecting lines between the nodes indicates an instance relationship between the instances corresponding to the nodes; identifying, from the connection diagram and on the basis of the instance relationship, different instances describing the same entity, merging the nodes corresponding to the identified instances and updating the connection diagram (S120); identifying from the updated connection diagram a pair of instances having an undiscovered instance relationship existing therebetween, and adding a connecting line so as to connect the nodes corresponding to the pair of instances (S130); and iteratively executing the steps of updating the connection diagram on the basis of the instance relationships and adding connecting ...

DISPLAY CONTROL METHOD FOR SMART WEARABLE DEVICE AND SMART WEARABLE DEVICE

A display control method for a smart wearable device and the smart wearable device. The method comprises: receiving a message (201); acquiring detection data of a sensor provided in a smart wearable device; if the smart wearable device is determined, on the basis of the detection data, to have undergone a first posture change, then displaying the content of the message on a screen of the smart wearable device (203). This allows display control to be implemented on the basis of a detected state the posture of the smart wearable device.

BORON-SILICON CO-DOPED DIAMOND ELECTRODE, PREPARATION METHOD THEREFOR AND USE THEREOF

A boron-silicon co-doped diamond electrode, a preparation method therefor and use thereof. The boron-silicon co-doped diamond electrode comprises a substrate and a boron-silicon co-doped diamond layer provided on the substrate. The boron-silicon co-doped diamond electrode can effectively improve the conductivity of a diamond layer by doping boron element into the diamond layer, and can effectively improve the catalytic activity of the diamond layer by doping silicon element. Therefore, boron-silicon co-doping significantly increases the conductivity and catalytic activity of the diamond electrode, and in turn improves the production of ammonia gas through electrocatalytic nitrogen reduction. A preparation method for a boron-silicon co-doped diamond electrode can prepare a boron-silicon co-doped diamond electrode having excellent catalytic performance by means of simple processes, thereby simplifying preparation steps and reducing costs. Also disclosed are application examples where the ...

Universal tool for smearing pasty grease on surface of bolt

The invention discloses a universal tool for smearing paste grease on the surface of a bolt, and relates to the field of smearing devices. The tool for smearing the paste grease on the surface of the universal bolt comprises a barrel and a sealing cover, the sealing cover is installed at the end of the barrel, a cavity is formed in the barrel, four limiting grooves are formed in the inner wall of the cavity, and limiting strips and installation strips are slidably connected to the inner walls of the limiting grooves. A plurality of brushes are fixedly connected to one side, far away from the limiting strip, of the mounting strip; and an insertion opening is formed in the side wall of the sealing cover. According to the universal tool for smearing the paste grease on the surface of the bolt, a certain amount of paste grease can be contained in the barrel, the step that a common brush is repeatedly dipped in grease is avoided, the universal tool can be held by one hand for operation at high ...

APPLICATION DISPLAY METHOD AND APPARATUS, TERMINAL, AND READABLE STORAGE MEDIUM

Disclosed in the present application are an application display method and apparatus, a terminal, and a readable storage medium. The method comprises: receiving a viewing instruction for an application; obtaining a common application used by a user; and displaying the application icon of the common application in a first display area of a multi-tasking management interface. The terminal in the present application can obtain common applications used by a user in the terminal, and display the icons of the common applications in a display area; thus, centralized display of the common applications can be implemented without dragging the application icons one by one by the user, thereby reducing operation steps and improving user experience.

DIAPER MAT HAVING NEW TYPE OF ABSORPTION LAYER AND PROCESSING METHOD THEREFOR

A diaper mat having an absorption layer comprising a surface layer (1), an absorption layer, and a bottom layer (5). The absorption layer is between the surface layer (1) and the bottom layer (5). The absorption layer has multiple sewing threads (7) interpenetrating therein for dividing the absorption layer into and fastening multiple web structures. The absorption layer can comprise a fluff pulp layer (3), a dispersion layer (2) thereabove, and an absorbent paper layer (4) therebelow, the sewing threads penetrating the fluff pulp layer (3) only. The absorption layer can also be divided by providing multiple fiber coagulation points in the fluff pulp layer (3). Also disclosed is a processing method for the diaper mat. The absorption layer is divided into multiple web structures and fastened, the absorber within the absorption layer is therefore not easy to deform and fracture. The processing method for the diaper mat is simple and high in production efficiency.

METHOD AND SYSTEM FOR ENHANCING ARTIFICIAL WETLAND FOR REMOVAL OF MICROCYSTIS AND TOXINS IN WATER

Disclosed is a method for enhancing an artificial wetland for the removal of microcystis and toxins in water, which strengthens the substrate in the wetland system to play the roles of physical, chemical and biological synergies through the addition of an exogenous degrading bacterial liquid, thereby further carrying out a harmless treatment on the microcystins. Also disclosed is a system for realizing the method for enhancing artificial wetland for removal of microcystis and toxins in water.

Fluctuation power stabilizing method and system based on hydrogen-electricity hybrid energy storage system

The invention provides a fluctuation power stabilizing method and system based on a hydrogen-electricity hybrid energy storage system, the hydrogen-electricity hybrid energy storage system is established, the hydrogen-electricity hybrid energy storage system comprises a supercapacitor array, a hydrogen energy storage unit, an auxiliary power supply and a converter, and the hydrogen energy storage unit comprises an electrolytic cell, a fuel cell and a hydrogen storage tank; performing frequency analysis on the original rapid fluctuation power through empirical mode decomposition and Hilbert-Huang transform to obtain a sliding range of a boundary frequency, distributing the fluctuation power of which the frequency is higher than the boundary frequency to a supercapacitor array, and distributing the fluctuation power of which the frequency is lower than the boundary frequency to a hydrogen energy storage unit; calculating the discharge power of an auxiliary power supply based on the power ...

Capacity configuration method of hydrogen-electricity coupling system for stabilizing fluctuation power

The invention provides a hydrogen-electric coupling system capacity configuration method for stabilizing fluctuation power, which comprises the following steps of: establishing a hydrogen-electric coupling system, setting a rolling optimization objective function by taking the minimum charging and discharging power of the hydrogen-electric coupling system as an objective, and solving an ideal grid-connected power predicted value and a total power predicted value of the hydrogen-electric coupling system by setting constraint conditions; performing Hilbert-Huang transform on a curve formed by the total power predicted value of the hydrogen-electric coupling system to obtain an instantaneous frequency, and selecting a boundary frequency based on the range of the instantaneous frequency; setting a target function; and a self-adaptive multi-objective particle swarm optimization algorithm is adopted, constraint conditions of charge and discharge balance, power fluctuation and energy storage capacity ...

Unmanned mine car automatic path optimization method, device and unit and mine car

The embodiment of the invention provides an automatic path optimization method for an unmanned mine car, and the method relates to the field of path planning, and comprises the steps: obtaining a current driving path and a surrounding real-time environment of the unmanned mine car; if the obstacle appears in the surrounding real-time environment, re-planning the current driving path according to the current position and the destination of the unmanned mine car to obtain a re-planned path for bypassing the obstacle; if the current position and posture of the unmanned mine car conflict with the re-planning path, generating a posture adjustment path according to the current position and posture and the re-planning path; wherein the posture adjustment path is used for adjusting the position and posture of the unmanned mine car so as to bypass the obstacle. In the implementation process of the method, the unmanned mine car can safely and effectively bypass the obstacle, the intelligence and ...

Engine crankshaft bearing cap drilling machine tool

The invention discloses an engine crankshaft bearing cap drilling machine tool, and relates to the technical field of machine tool equipment, the engine crankshaft bearing cap drilling machine tool comprises a base, a stand column is arranged on the base, the stand column and the base are fixedly installed, a placing frame is slidably installed on the stand column, and a lifting drilling mechanism is arranged on the placing frame; the lifting drilling mechanism is matched with the stand column, a rack is arranged at the top of the stand column, a drilling machine is installed on the rack, the drilling machine is connected with a manual drilling handle, an installation disc is arranged on the containing frame, the installation disc and the containing frame are installed in a rotating mode, and bearing cover bodies are evenly contained on the containing frame. The bearing cover body is connected with the indexing mechanism; the bearing cover body is driven to ascend and descend through the ...

Proton exchange membrane fuel cell teaching experiment platform based on universe

The invention provides a universe-based proton exchange membrane fuel cell teaching experiment platform. The universe-based proton exchange membrane fuel cell teaching experiment platform comprises a hardware terminal module, a fuel cell data acquisition module, a fuel cell experiment scene simulation module and a cloud computing module, the fuel cell data acquisition module is used for acquiring real laboratory scene data and entity fuel cell data and uploading the data to the cloud computing module; the fuel cell experiment scene simulation module is used for performing laboratory rendering in the meta universe based on real laboratory scene data; constructing a digital fuel cell in the element universe based on the entity fuel cell data; communicating with the fuel cell data acquisition module based on the cloud computing module so as to update the parameters of the digital fuel cell; the hardware terminal module is used for displaying a universe picture, issuing an experiment operation ...

Shot blasting arc height consistency adjusting method of gear part and test piece fixing tool of shot blasting arc height consistency adjusting method

The invention discloses a shot blasting arc height consistency adjusting method for gear parts and a test piece fixing tool thereof. The test piece fixing tool comprises a tool body, and the tool body is divided into a first part and a second part in the length direction; the front end face of the first part serves as a first substrate, and the two side faces of the second part serve as a second substrate and a third substrate. The first substrate, the second substrate and the third substrate are respectively used for fixing Almen test pieces; a center hole penetrating up and down is formed in the middle of the tool main body, and the center hole is used for being mounted and matched with a mounting interface of a base of shot blasting equipment; the first base, the second base and the third base are respectively provided with a plurality of bolt holes. According to the shot blasting arc height consistency adjusting method and the test piece fixing tool thereof, the consistency of the shot ...

ADDRESS CONFIGURATION METHOD, APPARATUS AND DEVICE

An address configuration method, apparatus and device. The method comprises: acquiring location information about a device in a network, wherein the location information can uniquely determine the device; converting the location information into a location information parameter; converting the location information parameter into an IP address and a MAC address of the device; and automatically allocating the IP address and the MAC address to the device. By means of the solution in the embodiments of the present invention, the problem that an IP address and a MAC address of a device are indeterminate is solved, and the risk of depending on an external server is reduced, and at the same time, a device user can determine the IP addresses and MAC address of other devices without accessing other devices, thereby facilitating message interaction among devices.

Data processing method and device for face score scoring

The invention discloses a data processing method and device for face score scoring. The method comprises the following steps: acquiring an image of a user in a social platform, and performing image extraction processing based on face extraction on a to-be-processed image to obtain a process face image; performing feature extraction processing on the process face image to obtain face feature data; and performing evaluation processing on the face feature data based on a preset appearance score model to obtain target appearance score data, the target appearance score data being data used for representing the appearance score of the social user. According to the method, the face image extraction is performed on the image of the social user, the face feature extraction is performed on the extracted face image, and the face score scoring processing is performed on the extracted face feature through the face score scoring model to obtain the face score scoring data, so that the face score scoring ...

Radio frequency, infrared and laser three-mode common-caliber composite target simulation device and method

The invention provides a radio frequency, infrared and laser three-mode common-caliber composite target simulation device and method. Comprising a radio frequency signal source and feed control system (1), a radio frequency feed source (2), an infrared target source control system (3), an infrared imaging simulator (4), an aberration compensation mirror group (5), a laser and driving system (6), a pulse width and time delay module (7), a laser modulation module (8), a relay lens (9), a laser reflection and infrared transmission dichroscope (10), a beam synthesizer (11) and an offset reflection surface (12). According to the invention, a radio frequency, infrared and laser three-mode common-caliber composite simulation target, interference and environment signal can be realized, and a physical radiation signal under a laboratory condition is provided for a multi-mode composite seeker.

VIDEO CONFERENCE CALLING METHOD AND SYSTEM, AND SERVER

A video conference calling method and system. The method comprises: a call initiating terminal sends a query request to a server to acquire a called terminal; the server acquires and feeds back a terminal list to the call initiating terminal according to the query request; and the call initiating terminal selects, according to the terminal list, the corresponding called terminal for making a call.

METHOD AND DEVICE FOR STORING DATA

A method and device for storing data. Entity related data associated with entities is acquired from a webpage (S100), wherein the entity related data comprises entity data expressing the entities, entity attribute data describing attributes of the entities and inter-entity relationship data describing the relationship between two entities. The entity data and the entity attribute data corresponding to the entity data are storing in an entity database in an association manner (S200). The inter-entity relationship data is stored in a relationship database. Accordingly, the entity data associated with a single entity and the attribute data of the entity are stored together in the entity database (S300), and the inter-entity relationship data relating to two entities are differentiated and stored in the relationship database. The data storage method avoids data storage redundancy and query aggregation, saves storage space, and is convenient to query; in addition, the problem that a great amount ...

Multi-core copper nanocluster fluorescent material and preparation method thereof

The invention relates to a preparation method of a polynuclear copper nanocluster fluorescent material, which comprises the following steps: dissolving Cu (ClO4) 2, alkynyl ligand 1, 2-diacetylene benzene and triethylamine in a first solvent, stirring and reacting to obtain a first solution, and forming Cu2 (C is equivalent to C) 2Ph; adding a diphosphine ligand L into the first solution to obtain a second solution; the diphosphine ligand L is one of 1, 4-bis (diphenylphosphine) butane, 1, 5-bis (diphenylphosphine) pentane and 1, 6-bis (diphenylphosphine) hexane; and adding a compound containing negative valence hydrogen into the second solution to obtain a third solution containing the polynuclear copper nanocluster, and drying to obtain a solid polynuclear copper nanocluster crystal, namely the polynuclear copper nanocluster fluorescent material. The preparation method is simple, raw materials are easy to obtain, synthesis steps are few, synthesis conditions are mild, the yield is high ...

Distributed block storage system, bitmap operation method and device thereof, equipment and medium

The invention discloses a bitmap operation method and device of a distributed block storage system, electronic equipment, a readable storage medium and the distributed block storage system, and is applied to the technical field of distributed storage. The method comprises the following steps: a storage server establishes a bitmap cache module for storing bitmap object data of a target volume in a memory in advance; after the storage server receives a bitmap operation request that the client side merges a plurality of bitmap operation tasks of the same target bitmap object, whether bitmap object data corresponding to the target bitmap object is cached or not is judged, and if the bitmap object data is cached, the target bitmap object is stored on the basis of the bitmap operation request; and directly updating the corresponding bitmap object data read from the bitmap cache module. The bitmap modification operation of the distributed block storage system is optimized, and the storage performance ...

Composite field characteristic optimization method and system based on spurious suppression and aberration compensation

The invention provides a composite field characteristic optimization method and system based on spurious suppression and aberration compensation. The method comprises the following steps: designing a main body structure of an offset feed paraboloid, arranging a feed source antenna and a beam composite lens, designing an aberration compensation lens group, and carrying out edge processing on the offset feed paraboloid; a wave absorbing material is attached, and the amplitude and phase fluctuation of a set quiet zone field are calculated; if the calculated field amplitude of the quiet zone and the phase fluctuation result do not meet the preset standard, Fourier transform is carried out on the phase distribution curve to obtain angular position information, and wave-absorbing material processing is carried out on the distribution points with abnormal phase distribution correspondingly; if the calculation result meets the preset standard, optimizing the volume and the weight; and adding a ...

WET PAPER NAPKIN WITH WASHING FILM AND PROCESSING METHOD THEREOF

A wet paper napkin (1) with a washing film (2) and a processing method thereof are provided. The invention relates to the field of hygienic products. The wet paper napkin (1) with a washing film (2) includes a wet paper napkin (1), and the washing film (2) is attached outside the wet paper napkin (1). The invention is simple in structure, high in usability, safe and sanitary, cleans hands of a consumer and promotes good health habit further. The processing method has the advantage of easy processing.

CALL MANAGEMENT METHOD, DEVICE AND SYSTEM, AND STORAGE MEDIUM

The present invention provides a call management method, device and system, and storage medium. The method comprises: a calling device first acquiring, after accepting a call request sent by a requester, user information of the requester and another user; determining, on the basis of a comparison between the user information of the other user and the user information of the requester, whether the other user satisfies a preset matching rule; if so, then adding the other user to a matching pool; and the calling device selecting, according to a preset selection rule, a responder from the matching pool.

TERMINAL INTERFACE RECOGNITION-BASED VOICE CONTROL METHOD AND SYSTEM, AND INTELLIGENT TERMINAL

A terminal interface recognition-based voice control method and system, and an intelligent terminal. The method comprises: acquiring and identifying content of a current interface (S2); generating voice commands corresponding to operation events in the current interface according to a predetermined policy (S3); displaying the voice commands in the current interface in an overlapping manner (S4); and a user performing an event operation on the terminal by inputting a corresponding voice command (S5). Thus, a detailed operation for each application interface may be controlled by means of voice, a user may quickly learn and memorize the voice commands for various operations, the voice commands correspond one-to-one to the detail position of the interface operation, the recognition accuracy will be greatly improved, and the user experience will be improved at the same time.

Turbulence electrodeposition cell for recovering metal in catalyst

The turbulent flow electrodeposition cell comprises an electrodeposition cell body, a supporting frame is welded to the bottom of the surface of the electrodeposition cell body, supporting frames are connected to the four corners of the bottom of the supporting frame through bolts, and the bottom of the front side of the electrodeposition cell body communicates with a discharging pipe; a circulating mechanism is arranged at the bottom of the electrodeposition cell main body, a filter plate is embedded in the bottom of the electrodeposition cell main body, and a discharging mechanism is arranged on the rear side of the electrodeposition cell main body. Through the adoption of the threaded rod, the threaded block, the mounting plate, a cleaning roller, a chain wheel, a chain, a positioning plate, a second motor, a third motor, a driving belt disc and a driving belt, the surface of an electrode tip can be conveniently cleaned, metal separated out of the surface of the electrode tip can be ...

DIAPER WITH HAND WASHING FILM AND MANUFACTURING METHOD THEREOF

A diaper (1) with a hand washing film (2) comprises a diaper body and the hand washing film (2) attached to the diaper body. The diaper body is externally provided with an independent package (3, 5) or an outer wrapping film. The hand washing film (2) is provided out of the independent package (3, 5) or the outer wrapping film. The hand washing film (2) can be contained in another independent package (4). A manufacturing method of the diaper (1) with the hand washing film (2) comprises the following steps: manufacturing the diaper body and the hand washing film (2) with the same production line on-line at one time; or manufacturing the diaper body and the hand washing film (2) with different production lines, and connecting the hand washing film (2) with the diaper body subsequently. The diaper (1) is simple in structure, safe to use and hygienic, and has strong practicability. The manufacturing method is simple and easy to manufacture.

Method and device for evaluating oil increasing potential of repeatedly acidified oil well

The invention provides an oil increasing potential assessment method and device for a repeated acidification oil well, and relates to the technical field of oil and gas development, and the method comprises the steps: obtaining N main control factors affecting the repeated acidification oil increasing effect, and obtaining a relation chart of each main control factor and oil increasing; obtaining the weight of each influence factor under the main control factors based on the main control factors and the oil increase relation chart; and obtaining the influence factor corresponding to the to-be-evaluated well under each main control factor, obtaining the weight of the to-be-evaluated well under each main control element, and obtaining the oil increasing potential value of the repeatedly acidified oil well by adopting the following formula. According to the acidification measure evaluation method provided by the invention, the oil increasing capacity of the target well is quantified, the well ...

CT dose motif for CT automatic tube current modulation mode and human body attenuation and test method thereof

The invention discloses a CT dose motif used for a CT automatic tube current modulation mode and human body equal attenuation, the Z-axis, X-axis and Y-axis directions of a main motif are all provided with metering detector jacks, and a test method comprises the following steps: step 1, performing CT scanning on a scanned object to obtain N projection images; 2, based on the N projection images, CT reconstruction is carried out through an iteration method; and step 3, after iteration of the CT reconstruction is terminated. The device is simple in structure and convenient to use, provides a dosage die body equivalent to human body attenuation of a Chinese adult reference person, and solves the problem that CTDI measured by using a uniform cylinder as the dosage die body cannot be used for evaluating radiation output of CT scanning in an automatic tube current modulation mode. A Z-axis dose curve generated by a complete automatic tube current modulation scanning sequence including a central ...

Back bolt stone pendant

The invention discloses a back bolt stone hanging piece which comprises a base, an upper conversion piece, an upper connecting piece, a lower conversion piece and a lower connecting piece. The base comprises a web, an upper side wing and a lower side wing, the web is used for being connected with an external transverse keel, the upper side wing and the lower side wing are connected to the side, away from the transverse keel, of the web, and the upper side wing is located above the lower side wing. The side, away from the transverse keel, of the upper conversion piece is provided with a sliding block in an upward protruding mode. The upper connecting piece is used for being connected with the lower portion of external upper stone through a back bolt, a sliding groove matched with the sliding block is formed in the side, facing the transverse keel, of the upper connecting piece, and the sliding block is connected into the sliding groove in a sliding mode. The side, away from the transverse ...

Drilling rig for geological exploration

The invention discloses a drilling rig for geological exploration in the field of geological exploration devices.The drilling rig comprises a drilling rig, at least two sliding shafts and a scale plate are arranged at the top of the drilling rig, and a plurality of scales for indicating depth are arranged on the scale plate; a mounting plate and a limiting plate are in sliding fit with the sliding shaft, scale sliding openings are formed in the mounting plate and the limiting plate, the scale sliding openings are in sliding fit with the scale plate, a first driving part is arranged at the upper end of the mounting plate, an output shaft of the first driving part penetrates through the mounting plate, an intermediate shaft is fixedly connected to an output shaft of the first driving part, and a notch is formed in the limiting plate; a locking mechanism is arranged on the side face of the limiting plate, the middle shaft penetrates through the notch and the bottom of the drilling truck, and ...

CRANE AND STABILIZER CONTROL SYSTEM AND CONTROL METHOD THEREOF

Disclosed are a crane and stabilizer control system and control method thereof, the control system comprising a controller (20), a switch control device (10) and a sensor (30); the switch control device (10) is connected to the controller (20) to receive a control signal inputted by an operator; the sensor (30) is connected to the controller (20) to detect the extension and retraction state of each crane stabilizer; and the controller (20) controls the extension and retraction of each stabilizer according to the control signal, and also controls the sensor (30) to detect and judge whether each stabilizer extends and retracts properly according to the detection result. The control system and control method achieve a better crane stabilizer control effect.

WIRELESS LINK RE-ESTABLISHMENT METHOD AND DEVICE

Disclosed are a wireless link re-establishment method and device. The method comprises when a wireless link fails, a user equipment (UE) ranking currently detected cells according to the signal strength; determining a target cell according to the signal strength of the cell and whether the cell has an example of the UE; and the UE initiating a re-establishment request to the target cell, and re-establishing the wireless link. By using the method and device provided by the present invention, the problem of unreliable restoration of the wireless link in the prior art is solved, thereby achieving the effect of reliably re-establishing the wireless link.

Prosthetic devices of pair roller machine roller skin

... 一种对辊机辊皮的修复装置，其特征在于包括机架、设置在机架上的带动对辊机辊转动的动力机构、设置在对辊机辊旁边机架上的与对辊机辊轴线平行的导轨、由前后移动动力带动沿导轨前后移动的动力磨轮。本实用新型与已有技术相比，具有修复后的辊面平整的、修复效过好的优点。 ...

Preoperative medicine atomizer

The invention provides a preoperative medicine atomizer which mainly comprises a medicine storage bin, a medicine atomization module, a control module, an inhalation port, a respiration sensing module, a display and operation interface and a data recording and communication module, the medicine storage bin is used for storing anesthetic medicine, and the medicine atomization module comprises an atomization bin and an atomization generator; the medicine in the medicine storage bin is converted into fine atomized particles to facilitate inhalation of a patient, the control module is responsible for controlling the working state, atomization strength and atomization time of the medicine atomization module based on a microprocessor, and the respiration sensing module monitors the respiration frequency and depth of the patient in real time through a high-sensitivity respiration sensor. The preoperative medicine atomizer has the advantages of efficient atomization, uniform mixing, medicine separation ...

Railway danger monitoring method based on laser radar and video image fusion

The invention discloses a railway danger monitoring method based on laser and video image fusion. The method comprises the following steps: carrying out joint calibration on a laser radar and a camera; the method comprises the following steps: respectively acquiring laser single-frame point cloud containing an obstacle and camera image data, and respectively preprocessing; segmenting obstacles in the single-frame point cloud and the image data respectively; the segmentation result of the image data is a mask image; projecting the obstacle point cloud data from the laser coordinate system to the image coordinate system, deleting the point cloud outside the mask image, and enhancing the point cloud data in the mask image; and classifying the enhanced obstacle point cloud data, and outputting classification information and the enhanced obstacle point cloud. According to the invention, the laser radar and the video system are fused, the laser point cloud data are corrected and enhanced by using ...

Multi-bit parallel binary original/complement DAC (Digital-to-Analog Converter) conversion device

The invention discloses a multi-bit parallel binary primitive/complement DAC conversion device which comprises an isolation input circuit, a logic level control circuit and an isolation output circuit, the isolation input circuit comprises an operational amplifier N1 and an operational amplifier N2, and the logic level control circuit comprises an electronic switch group. The output end of the electronic switch group is connected to the input end of the isolation output circuit, the input end of the electronic switch group is divided into two paths, one path is connected to the operational amplifier N1, and the other path is connected to the operational amplifier N2; according to the original and complement DAC conversion device, the circuit structure is greatly simplified, meanwhile, expandability is achieved, and original code and complement multiplication type DAC output of double-channel signals through multi-bit parallel binary data is achieved.

PREGNANE GLYCOSIDE COMPOUNDS CONTAINING ORTHOESTER GROUPS AND USE THEREOF

The present invention relates to pregnane glycoside compounds containing orthoester groups, pharmaceutical compositions containing the compounds, and use thereof in the preparation of an immunosuppressant. More particularly, disclosed are pregnane glycoside compounds containing orthoester groups extracted from Periploca plants, pharmaceutical compositions containing the compounds, and use thereof in the preparation of an immunosuppressant for prevention and/or treatment of immunological rejection reactions following cell/organ transplantation or autoimmune diseases, wherein the autoimmune diseases comprise rheumatoid arthritis, multiple sclerosis and autoimmune hepatitis and the like.

AD-HOC NETWORK-BASED TRAIN DYNAMIC GROUPING AND UNGROUPING METHOD AND SYSTEM

An ad-hoc network-based train dynamic grouping and ungrouping method, said method comprising train dynamic grouping and train dynamic ungrouping; the train dynamic grouping comprises: after a rear train group enters a U code section, if a grouping condition is satisfied, two train groups are grouped together; and the dynamic ungrouping comprises: two train groups within a fleet receive an ungrouping instruction during operation, and if an ungrouping condition is met, the two train groups are ungrouped; and said method further comprising: during operation of the two train groups within the fleet, a rear train group has a speed of 0, and if the ungrouping instruction is received, the two train groups are ungrouped. A method designed in the present invention implements soft connection by means of an ad-hoc network, a fleet of trains are able to flexibly group together, and multiple tracks are amply utilized. At train departure, first grouping and then departing is used to improve train departure ...

Multi-stack electrolytic cell power distribution method and system adaptive to rapid power impact

The invention provides a multi-stack electrolytic cell power distribution method and system adaptive to rapid power shock, a multi-stack electrolytic cell hydrogen production system is constructed, the multi-stack electrolytic cell hydrogen production system comprises a fluctuating power supply and a plurality of electrolytic cell single stacks adopting parallel topology, and each electrolytic cell single stack comprises an electrolytic cell and a DC/DC converter; based on the voltage efficiency, the Faraday efficiency and the auxiliary machine efficiency of the single stack of the electrolytic cell, calculating the operation efficiency of the single stack of the electrolytic cell; calculating the total voltage degradation of the single stack of the electrolytic cell based on the operation efficiency of the single stack of the electrolytic cell; and setting a turning power point, and performing power distribution. The voltage degradation rates of the electrolytic cell single stacks under ...

Preparation method of structural green glass for weakening influence of observation angle on human eyes

The invention relates to a preparation method of structural green glass for weakening the influence of observation angles on human eyes. The preparation method is characterized by comprising the following steps: S1, cleaning and blow-drying a rigid glass substrate; s2, preparing a rough diffusion layer with the etching depth of 60-150 microns on the glass substrate by adopting a sand blasting process; and S3, sequentially preparing ZrOXNY films with the refractive index of 2.0 to 2.2, the thickness of 100 to 200 nm, the refractive index of 1.7 to 1.8, the thickness of 80 to 140 nm, the refractive index of 2.0 to 2.2, the thickness of 120 to 180 nm, the refractive index of 1.7 to 1.8 and the thickness of 30 to 90 nm on the surface of the rough diffusion layer by adopting a reaction plasma deposition process. The glass has the advantages that the rough diffusion layer can effectively improve the diffuse reflection effect of the glass surface and improve the transmittance of the glass body ...

Waterproof lock catch assembly for steel pipe pile

The invention discloses a steel pipe pile waterproof lock catch assembly, and relates to the technical field of hydraulic engineering infrastructure, the steel pipe pile waterproof lock catch assembly comprises a steel pipe pile body, a first lock catch body, a second lock catch body and a waterproof film, the first lock catch body comprises an insertion plate and a limiting plate, and the insertion plate is fixed between a first connecting part and the limiting plate; the second lock catch body comprises a limiting cylinder and a rotating part, and the rotating part is fixed to the side wall of the limiting cylinder and rotatably connected to the steel pipe pile body; the waterproof film is arranged on one side of the steel pipe pile body. The limiting cylinder is provided with an insertion opening, and the insertion plate can penetrate into an inner cavity of the limiting cylinder along the insertion opening so that the two sides of the limiting plate can be in running fit with the wall ...

POWER SYSTEM OF CAM ROTARY INTERNAL COMBUSTION ENGINE

Disclosed is a power system of a cam rotary internal combustion engine. The power system utilizes a cam and multiple cam followers (e03) to form a cam mechanism. The power system, an inner chamber member (e01), an outer revolute surface member and an end member (e04) form multiple circumferentially-arranged sealed operating chambers, a volume change thereof taking place as a result of a relative rotation between the cam and the cam followers (e03). Four strokes of the Otto cycle, namely intake, compression, combustion and exhaust, are completed in the chambers with a valvetrain, directly converting chemical energy generated from gas combustion to mechanical energy in the form of a fixed-axis rotation of a rotor (e02). The power system does not comprise a piston engine crankshaft, uses high pressure gas to directly push the rotor to rotate about a fixed axis to output power, and has a simple structure, parameters thereof being adjustable in a wide range. Under the control of an additional ...

GRAPHENE ANTI-CORROSION COATING

A graphene anti-corrosion coating, comprising an epoxy resin and graphene subjected to surface modification. The addition amount of the graphene is 0.01-0.2 wt% of the total mass of the coating solid. By performing surface modification on the graphene, dispersity of the graphene in the coating is improved, and the compactness of the coating is enhanced.

PE pipe welding quality identification system based on 5G network

The invention discloses a PE pipe welding quality identification system realized based on a 5G network. The system comprises a base, a PE pipe supporting mechanism, a PE pipe rotary clamping mechanism, a mechanical arm, a welding host, a main control unit, a display module and a remote monitoring unit. According to the automatic welding quality detection system, during the welding process, images of welding seams can be collected, data such as voltage and current can be collected, the data can be transmitted to the remote monitoring unit and the comparison database and can be analyzed, processed and judged, automation of welding quality detection is achieved, the labor intensity is reduced, and the machining efficiency is improved. Meanwhile, the PE pipeline is supported through the pipeline supporting mechanism, the PE pipeline is fixed through the PE pipe rotating and clamping mechanism, the pipeline is driven to rotate, the mechanical arm moves, the welding head is driven to weld the ...

METHOD, DEVICE, AND SYSTEM FOR IMPLEMENTING CARD-TYPE DESKTOP

Provided are a method, device, and system for implementing a card-type desktop; a service management module (31) sends to a desktop module (32) a resource address of a card service from the server side; the desktop module (32) creates a usable viewing area on the desktop; the viewing area is used for displaying the service card corresponding to said resource address; the view corresponding to said service card is created in the viewing area; the view information and the resource address are sent to a rendering module (33); the rendering module (33) obtains from the server side the resource file corresponding to said resource address, and in accordance with the view information, renders the resource file onto the view. The present method, device, and system for implementing a card-type desktop are freed from template limitations, thus reducing system consumption and improving desktop stability.