Silicon wafer gettering method and preparation method of solar cell

The invention discloses a silicon wafer gettering method and a preparation method of a solar cell, and belongs to the technical field of photovoltaics. The silicon wafer gettering method comprises the steps that a tube burning process is carried out on a diffusion furnace on which multiple diffusion phosphorus gettering processes are carried out, then the diffusion phosphorus gettering processes are carried out in the diffusion furnace, the highest heat treatment temperature of the tube burning process is higher than that of the diffusion phosphorus gettering processes, and/or the highest heat treatment temperature of the tube burning process is lower than that of the diffusion phosphorus gettering processes. The highest oxygen flow of the tube burning process is larger than the highest oxygen flow of the diffused phosphorus gettering process, and PL boat marks caused by heterojunction gettering can be reduced.

Communication method, communication device, and computer storage medium

The invention provides a communication method, a communication device and a computer storage medium. The communication method comprises the steps that first access network equipment acquires voice service indication information; a first paging message including the voice service indication information is sent to a first terminal, a request message used for requesting establishment or recovery of an RRC connection is received from the first terminal, the request message includes indication information, and the indication information is used for indicating that the RRC connection is established or recovered based on the voice service. The first access network device receives indication information sent by the first terminal and determines to access the first terminal to a second access network according to the indication information, the first access network device is located in a first access network adopting a first wireless access technology, the second access network adopts a second wireless ...

MOVABLE OVERPASS

A movable overpass comprises an overpass body and street crossing stairs mounted on two sides of the overpass body. The overpass body comprises four stand columns (2) and an overpass plate (3) fixed in the middle of the four stand columns (2). A platform plate (4) is fixed to the top end of each stand column (2). Guard railings (5) are disposed on the periphery of each platform plate (4). A roller (14) is mounted at the bottom of each stand column (2). Lower ends of two stand columns (2) located on the same side of a street are connected by means of a cross beam (18). Jacks (12) are fixed to two ends of each cross beam (18). Supporting devices are disposed among the overpass plate (3), the cross beam (18) and lower portions of the stand columns (2) located on the same side as well as among the overpass plate (3), the platform plates (4) and upper portions of the stand columns (2). A power device is mounted on the corresponding cross beam (18). The movable overpass can be movably used, and ...

落地灯(环境艺术)

Automatic picking device for food sampling inspection

The automatic picking device comprises a vertical plate and a plurality of supporting columns, a transverse plate is welded to one side of the vertical plate, a first rotating shaft is rotationally connected to one side of the vertical plate, one end of the first rotating shaft is in key connection with a second belt wheel, and a first rotating rod is fixed to one side of the second belt wheel through a bolt; one end of the first rotating rod is rotationally connected with a second rotating rod, a sliding plate is fixed to the other end of the second rotating rod, two sliding rails are welded to the two sides of the transverse plate correspondingly, the sliding rails are slidably connected with the sliding plate, a first sliding groove is formed in one side of the sliding plate, and a first sliding block is slidably connected into the first sliding groove; a mounting rod is fixed to one side of the first sliding block through a bolt, and an inserting column is fixed to the other end of ...

Image processing method and device, equipment and storage medium

The invention provides an image processing method and device, equipment and a storage medium, relates to the technical field of image processing, and is used for enabling an encrypted image to give consideration to security and privacy. The method comprises the following steps: acquiring a to-be-encrypted image; performing pixel value replacement on the to-be-encrypted image to obtain a replaced to-be-encrypted image; performing bit-plane separation on the to-be-encrypted image after replacement to obtain a first bit-plane image and a second bit-plane image; respectively carrying out watermark embedding processing and image diffusion encryption processing on the first-bit plane image and the second-bit plane image to obtain a first key corresponding to the first-bit plane image and a second key corresponding to the second-bit plane image; and respectively uploading the first key and the second key to different servers.

SOFTWARE DEVELOPMENT METHOD AND SYSTEM

A software development method and system, relating to the field of software development, is provided. The method comprises a step of creating a working layer associated with software. The working layer comprises an interface layer, a data model layer, a service layer and a network layer. The interface layer is used for displaying of a view interface. The interface layer comprises a view, a view logic program and a view controller. The view controller is used for configuring the view on the basis of a data model in the data model layer. The data model layer is used for storing the data model. The data model comprises a local logical data model and a network data mapping model. The service layer is used for providing a service interface for the view logic program and the view controller of the interface layer. The network layer is used for mapping, after requesting a network to return JSON data, the JSON data to the network data mapping model. The present invention can reduce human resource ...

Data verification method and device, electronic equipment and storage medium

The invention relates to the technical field of data processing, in particular to a data verification method and device, electronic equipment and a storage medium, and aims to improve the data verification efficiency. The method comprises the steps that after data migration is carried out from a first database to a second database, attribute information of all to-be-verified tables in the first database is obtained, all first fields contained in the to-be-verified tables are inquired from the first database based on the attribute information of the to-be-verified tables, and all second fields contained in the to-be-verified tables are inquired from the second database; based on the attribute information, the first field and the second field, obtaining first data corresponding to the first field from a first database, and obtaining second data corresponding to the second field from a second database; and performing data comparison based on the first data and the second data to obtain a data ...

PCR DETECTION KIT FOR RAPIDLY IDENTIFYING SALMONELLA OF SPECIFIC SEROTYPES

A PCR detection kit for rapidly identifying salmonella of specific serotypes. Said kit comprises primers for detecting the tcpS gene. The primers for detecting the tcpS gene including a forward primer having a nucleotide sequence as set forth in SEQ ID NO.1 and a reverse primer having a nucleotide sequence as set forth in SEQ ID NO.2. The kit can identify salmonella of enteritis, pullorum disease/typhoid, and Dublin serotypes rapidly and in a high throughput, which can be used as an auxiliary method for the conventional serotyping of salmonella.

AGRICULTURAL IRRIGATION WATER QUALITY TESTING SYSTEM BASED ON WIRELESS SENSING, AND TESTING METHOD THEREFOR

An agricultural irrigation water quality testing system based on wireless sensing, and a testing method therefor. The testing system comprises: a pre-filtering amplification module, a post-differential amplification module, a phase detection module, a signal amplification module, a wireless transmitting module and a wireless receiving module, wherein the pre-filtering amplification module manages a weak magnetic induction signal and controls the amplification factor of an amplifier; the post-differential amplification module converts a differential signal into a single-ended signal and outputs same; the phase detection module further converts two input signals into a direct-current voltage and outputs same; the signal amplification module performs an amplification operation on a transmitting signal; the wireless transmitting module controls a transmitting range of a water quality testing signal; and the wireless receiving module receives a remote control instruction, and sets an intermediate ...

Cloud detection method based on double-branch network model

The invention relates to the technical field of remote sensing image processing, and provides a cloud detection method based on a double-branch network model, and the method comprises the following steps: constructing a cloud detection data set, and designing a TransDiffNet cloud detection model; according to the scheme, the method comprises the following steps: predicting based on a TransDiffNet cloud detection model, inputting the apparent reflectivity and difference characteristics of a remote sensing image, and obtaining a remote sensing image cloud detection result, the method makes up for the deficiency of global information acquisition of a pure convolutional neural network (CNN) structure and the deficiency of space detail characteristic capture of a pure Transform structure, reduces the confusion of cloud and bright surface characteristics and thin cloud omission, and improves the detection accuracy of the remote sensing image. And the cloud detection precision is improved.

APPARATUS AND METHOD FOR OBTAINING DEGREE OF ASSOCIATION OF QUESTION AND ANSWER PAIR AND FOR SEARCH RANKING OPTIMIZATION

An apparatus and method for obtaining the degree of association of a question and answer pair, a method for the search ranking optimization of the question and answer pair, and an apparatus and method for determining the crawling frequency of a network resource point. The method for obtaining the degree of association of the question and answer pair comprises the following steps: performing a word extraction operation on the question content and answer content of a question and answer pair to be analyzed, to obtain at least one question word to be analyzed and at least one answer word to be analyzed; selecting at least one question and answer knowledge record from a question and answer knowledge library including a plurality of question and answer knowledge records according to the question word to be analyzed and the answer word to be analyzed, and calculating the degree of association of the question and answer pair to be analyzed according to the selected question and answer knowledge ...

Intelligent glass window cleaning robot and working method thereof

The invention discloses an intelligent glass window cleaning robot and a working method thereof.The robot comprises a shell structure, a water spraying mechanism, an infrared distance measuring sensor, a walking mechanism, a power source, a single-chip microcomputer control module, cleaning cloth and a negative pressure fan, and the water spraying mechanism, the infrared distance measuring sensor, the walking mechanism, the power source, the single-chip microcomputer control module, the cleaning cloth and the negative pressure fan are installed on the shell structure; ventilation holes are formed in the positions, at the air inlet end and the air outlet end of the negative pressure fan, of the shell structure, and the water spraying mechanism is arranged at the front end of the intelligent glass window cleaning robot in the walking direction; the infrared distance measuring sensors are located on the periphery of the shell structure, and the cleaning cloth is arranged at the bottom of the ...

CHARGING METHOD AND APPARATUS

A charging method and apparatus. The apparatus comprises: at least two first interfaces (12); a charging rectification protection circuit (14) used for receiving first currents respectively transmitted by the at least two first interfaces (12) and rectifying the first currents into an output current, the value of the output current being equal to the sum of the values of the first currents; and a second interface (16) used for receiving and outputting the output current transmitted by the charging rectification protection circuit. The problem of low charging speed and low charging efficiency of a charging apparatus is solved.

Electrical equipment performance detection device

The invention relates to an electrical equipment performance detection device, which comprises a fixed base, and is characterized in that the fixed base is provided with a fixing assembly used for placing electrical equipment to be detected, and the fixing assembly is configured to be capable of switching between a first position where the electrical equipment is placed and a second position where the electrical equipment is detected; the protective cover is mounted on the fixed base and is of a box-shaped structure with an opening in the front end; the protection assembly is installed at the opening of the front end of the protection cover, the protection assembly can move relative to the protection cover to open or close the opening of the front end, the protection assembly and the protection cover form a closed measurement space when the protection assembly is in a closed state, and the electrical equipment is arranged in the measurement space during detection; and the measurement display ...

Organic fluorescent material for high-sensitivity detection of oxygen difluoride as well as preparation method and application of organic fluorescent material

The invention discloses an organic fluorescent material for high-sensitivity detection of oxygen difluoride as well as a preparation method and application of the organic fluorescent material. According to the organic fluorescent material, construction units are self-assembled and gathered into a microscopic cross network structure with nanobelts through pi-pi stacking; the interconnected network structure in the prepared organic fluorescent material provides a high-speed transmission channel for energy transfer among molecules, so that the rapid proceeding of photoinduced electron transfer is ensured, and meanwhile, the large specific surface area is beneficial to adsorption and diffusion with gas to be detected; the detection sensitivity of the organic fluorescent material is improved; the high fluorescence quantum yield is beneficial to further improvement of the detection sensitivity, and the lowest detection limit of the oxygen difluoride poison gas is greatly reduced. And the organic ...

Organic fluorescent material for high-sensitivity detection of sulfur decafluoride as well as preparation method and application of organic fluorescent material

The invention discloses an organic fluorescent material for high-sensitivity detection of disulfur decafluoride as well as a preparation method and application of the organic fluorescent material. According to the organic fluorescent material, construction units are self-assembled and gathered into a microscopic cross network structure with nanobelts through pi-pi stacking; the structural formula of the building unit is as follows: a network structure which is mutually connected and crossed in the organic fluorescent material provides a high-speed transmission channel for electron transfer among molecules, so that the rapid proceeding of photoinduced electron transfer is effectively ensured; the high fluorescence quantum yield is beneficial to further improvement of the detection sensitivity, and the lowest detection limit of the disulfur decafluoride toxic gas is greatly reduced. And the organic fluorescent material has no fluorescent response to phosgene, sarin poison gas, tower collapse ...

MOVABLE OVERPASS SYSTEM

A movable overpass system comprises an overpass body and street crossing stairs mounted on two sides of the overpass body. The overpass body comprises four stand columns (2) and an overpass plate (3) fixed to the middles of the four stand columns (2). A platform plate (4) is fixed to the top ends of the stand columns (2). A roller (14) is mounted at the bottom end of each stand column (2). Lower ends of two stand columns (2) on the same side of the street are connected by means of a cross beam (18). Jacks (12) are fixed to two ends of the cross beam (18). Supporting devices are disposed among the overpass plate (3), the cross beam (18) and the lower portions of the stand columns (2) on the same side as well as among the overpass plate (3), the platform plate (4) and upper portions of the stand columns (2). A power device is disposed on the cross beam (18). The power device comprises a motor (10). An output shaft of the motor (10) is connected to a gearbox (11). An output shaft of the gearbox ...

Different-plane multi-hole-site cold insertion equipment for automobile instrument panel cross beam

The invention relates to different-plane multi-hole-site cold insertion equipment for an automobile instrument panel cross beam, which comprises a rack, a positioning adjusting device arranged in the rack, a first feeding device and a second feeding device arranged at the rear end in the rack, a cross beam arranged in the middle in the rack, a movable cold insertion device arranged on the cross beam in a matched manner, and a control box arranged on the rack. Firstly, the automobile instrument panel cross beam is placed on the positioning adjusting device to be fixed, then the first feeding device and the second feeding device are controlled by the control box to send different types of cold plug-in units to a waiting area, then the movable cold plug-in unit is controlled to move to the position above the automobile instrument panel cross beam along the cross beam, and then the cold plug-in units are placed on the automobile instrument panel cross beam from right to left through the movable ...

Electrical instrument control cabinet

The utility model discloses an electrical instrument control cabinet comprising a cabinet body, the lower part of the cabinet body is provided with an air inlet, and the upper part of the cabinet body is provided with an air outlet. A first baffle is detachably installed on the outer side of the air inlet and provided with a first through hole penetrating in the thickness direction. The air outlet is detachably provided with a second baffle, the second baffle is further provided with a second through hole penetrating in the thickness direction, and a first water baffle and a second water baffle are arranged on the outer side of the first through hole and the outer side of the second through hole respectively. Water is usually fed into the cabinet body due to rainwater splashing and other reasons, the first water baffle and the second water baffle can effectively block rainwater, and water is prevented from entering the cabinet body. In addition, an air inlet channel corresponding to the ...

QUESTION-AND-ANSWER-BASED SEARCH RESULT ADJUSTMENT METHOD AND DEVICE

Disclosed are a question-and-answer-based search result adjustment method and device, and search result integration method and device, the question-and-answer-based search result adjustment method comprising: receiving a search term from a user, and analyzing whether the search term is a question-and-answer (Q&A)-type search term; if so, then matching Q&A-type results corresponding to the search term in a Q&A knowledge base; and adjusting the search results by utilizing the Q&A-type results, and providing the adjusted search results to the user. The present invention matches, in the Q&A knowledge base, the Q&A-type results corresponding to the search term, adjusts the search results by utilizing the Q&A-type results, and provides the adjusted search results to the user, such that the search results provided to the user are more accurate, abundant and comprehensive.

Crowd evacuation simulation method and device under poison gas leakage, medium and electronic equipment

The embodiment of the invention discloses a crowd evacuation simulation method and device under poison gas leakage, a medium and electronic equipment. The method comprises the steps that the poison gas leakage process of a target tunnel is simulated according to tunnel structure parameters and emergency facility parameters of the target tunnel, the personnel evacuation process is simulated in poison gas leakage simulation, and the evacuation speed and the evacuation path of to-be-evacuated personnel under the poison gas leakage condition are determined; based on the evacuation speed and the evacuation path, the evacuation time of the to-be-evacuated persons under the poison gas leakage condition is determined; and determining a risk level of the to-be-evacuated personnel based on the evacuation time, and determining a personnel evacuation scheme based on the risk level. According to the technical scheme, the reasonability and reliability of the personnel evacuation scheme can be effectively ...

Aggregate material based on perylene tetracarboxylic anhydride as well as preparation method and application of aggregate material

The invention discloses an aggregate material based on perylenetetracarboxylic anhydride as well as a preparation method and application thereof. The aggregate material has specific selective response oxygen difluoride, and construction units are self-assembled and aggregated into a microscopic cross network structure with nanobelts through pi-pi stacking; the aggregate material prepared by the preparation method disclosed by the invention has a micron-sized uniform nanobelt structure and is regular and uniform in form, and a porous net structure formed by mutually connecting nanobelts provides a high-speed transmission channel for energy transfer among molecules; meanwhile, the large specific surface area is beneficial to adsorption and diffusion of to-be-detected gas, and the detection sensitivity of the material is improved. And the material has no fluorescent response to phosgene, sarin poison gas, tower collapse poison gas, thionyl fluoride or disulfide decafluoride and the like, has ...

DATA PROCESSING METHOD, APPARATUS AND ELECTRONIC DEVICE

Disclosed in the embodiments of the present disclosure are a data processing method, apparatus and electronic device, the method comprising: acquiring material attribute information of a first material in a video image played back in a first device terminal, the video image comprising an original video image and the first material which is drawn in the original video image using a computer drawing mode; generating a transport stream according to the original video image and the material attribute information; and sending the transport stream to at least one second device terminal.

THIN FILM TRANSISTOR, MANUFACTURING METHOD THEREFOR, ARRAY SUBSTRATE, AND DISPLAY DEVICE

A manufacturing method for a thin film transistor, comprising: providing a substrate (1); forming a gate (2), an active layer (4), a drain (502) and a source (501) on the substrate (1), the active layer (4) comprising a channel region (41) at least partially overlapped with the gate (2) and second portions (42) located on both sides of the channel region (41); carrying out a laser annealing process from one side of the substrate (1) to block the channel region (41) from being irradiated by laser, so that the resistivity of the second portions (42) of the active layer (4) is lower than the resistivity of the channel region (41); and the second portions (42) of the active layer (4) are electrically connected with the source (501) and the drain (502). The method can reduce the overlap resistance between the active layer (4) and the source (501) and between the active layer (4) and the drain (502), and improve the on-state current, mobility and switching ratio of the thin film transistor. Further ...

Target detection method and device, storage medium, sensor and controller

The invention belongs to the technical field of artificial intelligence (AI), and particularly relates to a target detection method and device, a storage medium, a sensor and a controller. On the basis of a supervised target detection framework, a self-supervised contrast learning process is introduced, so that the learning ability of a category feature vector (Embedding) is enhanced; further, feature vectors of other categories are deduced while the feature vectors of the same category are drawn close; a small number of instances which are difficult to identify can be distinguished in a small data volume scene; meanwhile, the target detection method based on the feature contrast learning process further introduces a candidate box quality adaptive contrast loss function, so that the target detection effect can be further improved, and the convergence speed of the learning process can be improved; the product can be used in the field of industrial defect detection, and manpower is saved ...

Preparation method of enteromorpha biological fertilizer based on bag type fermentation

The invention provides an enteromorpha bio-fertilizer preparation method based on bag type fermentation, and relates to the technical field of enteromorpha resource utilization and bio-fertilizer manufacturing. Enteromorpha prolifera is subjected to certain pretreatment, molasses and a fermentation inoculant are mixed, and the biological fertilizer is prepared in a fermentation bag. According to the method, enteromorpha can be converted into a liquid bio-fertilizer with economic value, the liquid bio-fertilizer has good aromatic smell, the influence of enteromorpha green tide on the ecological environment of coastal areas in China is reduced, and effective utilization of resources is realized.

Chip pin coplanarity detection system and method based on 3D dynamic scanning technology

The invention discloses a chip pin coplanarity detection system and method based on a 3D dynamic scanning technology. The system comprises a display mechanism, a servo transmission mechanism, an external trigger sensing mechanism, a line laser 3D camera acquisition mechanism and a processing mechanism. The servo conveying mechanism controls the circuit unit and the conveying belt or the sliding table module to convey the chips in batches to pass through the 3D acquisition mechanism successively at a constant speed; the external trigger sensing mechanism triggers the control line laser 3D camera to collect point cloud data of the chips one by one; the line laser 3D camera acquisition mechanism acquires 3D point cloud information in a transmission visual field of the chip and transmits the data to the processing mechanism; and the processing mechanism starts the servo transmission mechanism, receives the point cloud data and the precision threshold value, calculates the spatial characteristic ...

Movable blasting protection device for subway construction

The invention discloses a movable ground damage protection device for subway construction. The movable ground damage protection device comprises a protection device body, a moving device, a locking device and a buffering device. The protection device comprises two protection plates, a wet cloth protection net and a rubber protection net; the buffer device comprises a plurality of hydraulic buffers, and the hydraulic buffers are distributed on the protection sides of the two protection plates; the moving device comprises a plurality of rubber wheels, and the rubber wheels are installed on the protection side of the bottom plate. The protection plates are connected through the fan blade folding devices, the unfolding angle is controlled at any time through the locking devices, the blasting protection device is selected and used according to environmental requirements, slope blasting can be better protected in place, and the applicability is effectively improved. Flying stones and dust can ...

WIND TURBINE YAW TESTING MECHANISM AND WIND TURBINE BODY TESTING BENCH

A wind turbine yaw testing mechanism (100) comprises: a cabinet support (107), whose upper end is fixed in a cabinet of the wind turbine, and lower end is mounted on a yaw base (108); a tower drum tool (104), which is connected with a tower drum tool driving device by a transmission mechanism (100), and rotates around a tower drum tool axis under the action of the tower drum tool driving device; an upper slewing bearing (105), which is mounted on the bottom of the cabinet underbed for realizing the movement of the tower drum tool (104) relative to the cabinet; a lower slewing bearing (102), which is mounted on the yaw base (108) for realizing the movement of the tower drum tool (104) relative to the yaw base (108). The yaw test can be carried out synchronously with the wind turbine drag test, so that the mechanism (100) saves test time and increases the test efficiency, and the test is convenient to operate. The cabinet deflection is not necessary when the yaw test is carried out, and the ...

DEVICE AND METHOD FOR DETECTING SIMILAR TEXT, AND APPLICATION

Disclosed are a device and method for detecting a similar text, a device and method for recognizing advertisement features of messages issued in network games, a device and method for shielding advertisement content in a question and answer community, a device and method for recognizing advertisement messages in an instant message, and a device and method for processing contents issued in a social network. The device and method for detecting a similar text are used for recognizing the similar text. The method for detecting a similar text comprises: processing a text to be detected, so as to acquire a Chinese text; converting Chinese characters in the acquired Chinese text into Pinyin so as to obtain a Pinyin text; extracting the feature of the Pinyin text, and forming a feature vector of the Pinyin text by the extracted feature; and according to the feature vector, judging whether the text to be detected matches a record in a database. The device and method for detecting a similar text ...

ENCODING METHOD, DECODING METHOD AND DEVICE

An encoding method, a decoding method and device. The encoding method includes: respectively performing ROT forward transformation on the input signals after DCT transformation according to a plurality of groups of preset ROT forward transformation matrixes so as to obtain transformation coefficients after the ROT forward transformation, wherein each coefficient in the ROT forward transformation matrixes can be decomposed into a plurality of shift coefficients, with each shift coefficient being formed of one shift bit and one sign bit; after quantifying the transformation coefficients obtained after the ROT forward transformation, comparing the distortion situations of the output signals calculated according to each group of quantified transformation coefficients; selecting the ROT forward transformation matrix corresponding to the output signal with minimal distortion as the optimal ROT forward transformation matrix of the current encoding block, and encoding according to the optimal ROT ...

High-precision point cloud noise processing method based on 3D dynamic scanning imaging technology

The invention discloses a high-precision point cloud noise processing method based on a 3D dynamic scanning imaging technology, and the method comprises the steps: carrying out the dynamic scanning collection of an external image of the surface of a chip through a 3D camera, obtaining the high-precision point cloud data of the chip, carrying out the processing and conversion of the point cloud data, and carrying out the noise removal of a point cloud through a statistical filtering and Gaussian filtering method. Statistical filtering is used for removing outliers, which is of direct significance to data processing of a pin part, and can remove some outliers which can directly influence judgment of the distance from the pin to the large plane of the chip. Gaussian filtering can be used for further smoothing point clouds, so that the large-plane fitting precision of some chips is improved to a certain extent. According to the method, the noise problem of point cloud data in the 3D dynamic ...

Privacy intersection method and device and storage medium

The invention provides a privacy intersection method and device and a storage medium, relates to the technical field of communication, and can solve the problem of low accuracy of data obtained by privacy intersection. The method comprises the steps that under the condition that a first device carries out privacy intersection, a first data set and a second data set are acquired, the first data set is a data set obtained after a private key corresponding to the first device is encrypted, and the second data set is a data set obtained after a private key corresponding to a second device and sent by the second device is encrypted; under the condition that the second data set is matched with the second data set stored in the uplink, privacy intersection processing is conducted on the first data set and the second data set, a third data set is obtained, and the third data set is the intersection of the first data set and the second data set. The embodiment of the invention is used in a privacy ...

METHOD AND DEVICE FOR ACQUIRING MOVIE AND TELEVISION SUBJECT FROM WEBPAGE

The present invention relates to the field of network data communications, and disclosed are a method and device for acquiring a movie and television subject from a webpage. The method comprises: extracting texts to be mined from a webpage to be subjected to movie and television subject mining, and according to a preset segmentation rule, segmenting the texts to be mined, so as to obtain a sentence set; in the sentence set, extracting the longest common clause from all the sentences as a candidate movie and television subject; and according to the candidate movie and television subject, determining a movie and television subject of the webpage. The present invention can avoid a complicated process of compiling a wrapper when a large number of websites needing to be parsed exist in the prior art, and can also overcome the defect of parsing failure due to the fact that the change of a webpage structure cannot be detected in real time when the webpage structure frequently changes.

VIRTUAL DISPLAY METHOD, APPARATUS AND DEVICE, AND COMPUTER READABLE STORAGE MEDIUM

A virtual display method, apparatus and device, and a computer readable storage medium. The method comprises: obtaining control information (S301); determining first movement information of a display screen according to the control information, and controlling the display screen to move according to the first movement information (S302); rendering a virtual object according to the first movement information of the display screen to obtain a virtual effect image (S303); and displaying the virtual effect image on the display screen (S304). Thus, the display flexibility is improved, and the display effect is improved.

Whole-course apparent resistivity determination method and device

The invention provides a whole-course apparent resistivity determination method and device, and belongs to the technical field of exploration geophysics, and the method comprises the steps: obtaining a criterion of whole-course apparent resistivity; according to the criterion, determining a calculation basis of the whole-course apparent resistivity; the calculation basis comprises vertical induced electromotive force and a vertical magnetic field; and determining the target whole-course apparent resistivity based on the calculation basis. According to the whole-course apparent resistivity determination method and device provided by the invention, a proper calculation basis is selected by using the criterion value, the accuracy of whole-course apparent resistivity calculation is improved, and then the precision of a ground transient electromagnetic method detection result is improved.

In-situ liquid phase preparation method of porous SiOx-C composite material

The invention discloses an in-situ liquid phase preparation method of a porous SiOx-C composite material, which comprises the following steps: step 1, dissolving aldehyde in deionized water or some conventional organic solvents, stirring for 1 hour, dropwise adding micromolecular silane into the solution, stirring for 30 minutes, and pumping the solution under the condition of reduced pressure to obtain a white solid precursor; 2, mixing the precursor, a reducing agent and anhydrous aluminum chloride in a small kettle, carrying out heat treatment in a horizontally placed tubular furnace under the protection of flowing high-purity argon, washing the product with hydrochloric acid, and drying to obtain a brown solid; and 3, carrying out heat treatment on the brown solid in a horizontally placed tubular furnace under the protection of flowing high-purity argon to obtain the porous SiOx-C composite material. The method disclosed by the invention has the advantages of mild reaction conditions ...

THIN FILM TRANSISTOR AND MANUFACTURING METHOD THEREOF, ARRAY SUBSTRATE, DISPLAY PANEL, AND DISPLAY DEVICE

Provided are a thin film transistor and a manufacturing method thereof, an array substrate, a display panel, and a display device, wherein the thin film transistor comprises: a gate pattern (01), a gate insulating layer (02), an active layer pattern (03), a source electrode pattern (04), and a drain electrode pattern (05) that are sequentially superimposed. At least one of the surface of the source electrode pattern (04) facing the gate insulating layer (02), the surface of the drain electrode pattern (05) facing the gate insulating layer (02), and the surface of the gate pattern (01) facing the gate insulating layer (02) is a target surface (X), and the target surface (X) can diffusely reflect light incident thereon so as to block part of the light incident on the active layer pattern (03). The display device solves the problem in which the thin film transistor cannot operate normally due to a shift of a volt-ampere characteristic curve of the active layer pattern (03), and reduces the ...

Inverted bottle intercepting device of filling machine

The utility model discloses an inverted bottle intercepting device of a liquid filling machine, which comprises a transportation end and a support base, the support base is fixed below the transportation end, a transportation shaft controlled by a motor is arranged in the transportation end, and lifting adjusting shaft groups are movably fixed outside two sides of the transportation end through fixing shafts. An intercepting transverse shaft penetrates through the lifting adjusting shaft sets, and a width adjusting shaft set is fixed to the intercepting transverse shaft in a threaded mode. Compared with a manual bottle falling interception device, the bottle falling interception device has the advantages of being integrally designed, convenient to adjust, labor-saving and capable of improving efficiency.

Road surface pit detection method and readable storage medium

The invention provides a pavement pit detection method and a readable storage medium. The pavement pothole detection method comprises the following steps: acquiring a binocular image; the binocular image obtains a parallax estimation result based on a parallax estimation algorithm; the binocular image obtains a pavement segmentation result based on a pavement segmentation algorithm; and obtaining a pavement pothole detection result based on the parallax estimation result and the pavement segmentation result. Wherein the parallax estimation algorithm and the pavement segmentation algorithm at least share one part of the neural network. Through the configuration, on one hand, the problems of training data and application thresholds are solved through binocular images, on the other hand, through the shared neural network, the two algorithms can share intermediate data in the training and calculation process, the training and calculation speed is increased, and the overall size of the neural ...

Pipe hole direct-connection type grouting exhaust device and exhaust method for full-water goaf

The invention provides a full-water goaf pipe hole direct connection type grouting exhaust device and exhaust method, and belongs to the technical field of goaf grouting governance. The exhaust device comprises a first exhaust pipe, a first valve, a second exhaust pipe and a second valve; grouting of the full-water goaf adopts a method that a grouting pipe and an orifice pipe are directly connected, a grouting drill hole is communicated with the grouting pipe through a first exhaust pipe and a second exhaust pipe, two exhaust ports are formed in an exhaust device, enough air storage space is formed between the exhaust pipes and the exhaust ports, in the grouting process, air in the drill hole can be gradually exhausted, and the grouting efficiency is improved. The grouting pipe and the grouting drill hole are in a full-pipe continuous conveying state without lowering the grouting pipe into the goaf at the bottom of the hole through the drill hole, the effect of large-flow rapid grouting ...

Description text editing method and device

The embodiment of the invention discloses a description text editing method and device, and the method comprises the steps: obtaining a speaking point set comprising a plurality of speaking points based on historical information corresponding to a target object; extracting a plurality of sentence sets from at least one explanation text corresponding to the target object based on a plurality of speaking points in the speaking point set; determining a plurality of weight values corresponding to the plurality of speaking points based on a user portrait corresponding to a target user, and determining a sequence of the plurality of speaking points based on the weight values; according to the sequence, sorting the sentence sets corresponding to the multiple speaking points of the target object to obtain a description text of the target user corresponding to the target object; the long text is obtained through the extracted sentence set, and the sequence of the sentence set is determined based ...

Neural network-based multi-source wave parameter automatic measurement and verification method

According to the multi-source wave parameter automatic measurement and verification method based on the neural network, the sea wave elements can be obtained through quantitative calculation, and the measurement precision of the wave elements is improved. Video images are intercepted from a near-shore monitoring video according to frames, floating barrel features are extracted according to the motion state of a floating barrel on the sea surface, sea wave elements are obtained through quantitative calculation and mainly comprise the effective wave period, the effective wave height, the wave direction and the like, and meanwhile the effective wave period, the effective wave height and the wave direction information are obtained through a wave sensor of the surface float. And the wave direction is calculated and obtained through the surface floating Beidou module and the anchor position. Through surface drift in-situ measurement and camera non-contact measurement, comparison verification ...

Multifunctional wiring tool

The invention discloses a multifunctional wiring tool, and relates to the field of wiring tools. The multifunctional wiring tool comprises a supporting seat and an electric hydraulic cylinder, a fixing plate used for fixing a wire is arranged above the supporting seat, an equipment seat is arranged at the bottom of the fixing plate, a rotating seat is in threaded connection with the interior of the equipment seat, and a movable seat is arranged at the top of the rotating seat; the two sides of the top of the movable base are provided with movable clamping plates and arc-shaped wire stripping tool bits installed in the movable clamping plates, the opposite sides of the two sets of movable clamping plates are provided with trapezoidal push blocks used for pushing the movable clamping plates to move, pull rods are installed at the bottoms of the trapezoidal push blocks, and the bottom ends of the pull rods are rotationally connected with the output ends of the electric hydraulic cylinders.

Python-based method for acquiring intersection elevation of engineering pile and bearing stratum

The invention discloses a Python-based method for obtaining the elevation of an intersection point of an engineering pile and a bearing stratum, and the method comprises the steps: obtaining a central point of the engineering pile in Dynamo through the modeling of an early-stage terrain and the modeling of the engineering pile, converting a terrain model into a curved surface which can be recognized by Revit through a built-in node in the Dynamo and a Python script, and then projecting the central point onto the curved surface, thereby obtaining the elevation of the intersection point of the engineering pile and the bearing stratum. And the elevation data of the intersection point of the engineering pile and the bearing stratum can be quickly and accurately obtained. And after data are obtained, family instance parameters of the pile foundation component are written in through Dynamo codes, an excel table including the pile foundation number, the pile top elevation, the pile bottom elevation ...

Straight tooth surface gear parameter on-machine measurement and error compensation method

The invention discloses an on-machine measurement and error compensation method for parameters of a straight tooth surface gear. The method comprises the following steps: 1) obtaining grid points and a measurement path of tooth surface measurement of the straight tooth surface gear based on a trigger type measuring head measurement principle; uniformly distributed measuring points are obtained according to the characteristic that the tooth surface curvature of the straight tooth surface gear is small; obtaining an optimal square screw type measurement path according to the characteristics of X-axis and Y-axis motion errors of the machine tool; 2) obtaining a measuring head delay error, a measuring head measurement error and a measurement coordinate error in measurement by combining with the optimal square screw type measurement path; a measuring head triangle error model is obtained based on the measuring principle of a measuring head, and finally, a total error is obtained through integration ...

Transparent wood, preparation method thereof and environment-friendly material

The invention discloses transparent wood, a preparation method thereof and an environment-friendly material. The preparation method of the transparent wood comprises the steps that (1) natural wood is taken and put into a mixed solution to be heated, a first intermediate product is obtained, and the mixed solution comprises a mixed solution of a persulfate solution and an alkaline solution; 2) washing, bleaching and soaking the first intermediate product to obtain a second intermediate product; and (3) the second intermediate product is put into resin to be soaked and then taken out to be cured, and the transparent wood is obtained. The transparent substance is prepared by the method. The environment-friendly material comprises the transparent wood. The product provided by the invention can simplify the process flow of the transparent wood.

Soluble microneedle loaded with acellular fat extract as well as preparation method and application of soluble microneedle

The invention discloses a soluble microneedle loaded with an acellular fat extract as well as a preparation method and application of the soluble microneedle, and belongs to the field of medical repair materials. The treatment effect of the soluble microneedle (CEFFE-MNs) loaded with the cell-free fat extract on the tendinopathy is evaluated through a series of in-vivo and in-vitro experiments, and the result shows that the CEFFE-MNs not only can effectively inhibit oxidative stress and apoptosis degree of tendon injured cells, but also can effectively inhibit inflammatory response and promote generation of collagenous fibers, and can be used for preparing the soluble microneedle-MNs loaded with the cell-free fat extract on the tendinopathy. The tensile modulus and the maximum mechanical strength of the injured tendon can be obviously recovered. The CEFFE-MNs provided by the invention has the advantages of low immunogenicity, low cytotoxicity, high biocompatibility and the like, enters ...

Method for removing nitric oxide and nitrogen dioxide in laughing gas

The invention discloses a method for removing nitric oxide and nitrogen dioxide in laughing gas, which comprises the following steps: a laughing gas crude product containing NO and NO2 sequentially passes through an absorption tower, a gas-liquid separation device, a drying tower, a primary rectifying tower and a secondary rectifying tower, so that the nitric oxide and the nitrogen dioxide in the laughing gas can be effectively absorbed; the nitrogen monoxide and the nitrogen dioxide are recycled, and the adopted absorption liquid can be cyclically regenerated by heating and adding elemental iron, so that the process is simple, green and environment-friendly; a large amount of nitrogen-containing wastewater and nitrogen oxide waste gas can not be generated, safety and environmental protection are achieved, the target product N2O can be possibly generated, and new impurities cannot be introduced in the reaction process; the removing method is simple and feasible, and the cost is low.

Air conditioning method and system for solving frosting and freezing problems during parking of vehicle and electronic equipment

The invention discloses an air conditioning method and system for solving frosting and icing of a vehicle during parking and electronic equipment, and belongs to the field of vehicle design and manufacturing. The method comprises the following steps of: judging whether icing and frosting conditions exist or not and whether an automatic adjusting function is started or not according to acquired car window rain sensor parameters, temperature inside and outside a car and weather forecast, and after the automatic adjusting function is started, acquiring environment conditions outside the car according to conditions of a rain sensor on a car window and a temperature sensor outside the car; the current situation is accurately judged in combination with weather forecast, and the temperature of the window in the vehicle is kept consistent with the external temperature in time according to the strategy after parking, so that the waiting time of a user before the vehicle is used is shortened, and ...

Steering control method and device, storage medium and processor

The invention discloses a steering control method and device, a storage medium and a processor. The method comprises the following steps: acquiring a rotation signal of a steering wheel; processing the rotation signal to generate a power signal; and the power signal is sent to a hydraulic proportional valve set, and the hydraulic proportional valve set is used for adjusting the flow and the flow direction of hydraulic oil based on the power signal to conduct steering control. The technical problem that an existing steering control method is poor in practicability is solved.

Hybrid topology-oriented TTP/C bus MEDL design method

The invention discloses a TTP/C bus MEDL design method oriented to hybrid topology. User input information of TTP/C bus MEDL parameters is divided into three parts: cluster global information, bus node information and network topology information; wherein the cluster global information mainly comprises behavior characteristics of the cluster in a time domain, the bus node information is used for identifying physical entity attributes of the nodes, and the network topology information defines a connection relation of the nodes in a physical space. Related user input parameters of a TTP/C bus cluster in a time domain, a physical domain and a space domain are decoupled, and network topology information is described in combination with a numerical matrix method, so that TTP/C bus network planning under hybrid topology is realized, the design complexity from cluster overall network planning to node MEDL configuration is reduced, and the network planning efficiency is improved. The complex and ...

Synchronous rectification control method and device

The embodiment of the invention provides a synchronous rectification control method and device. The method is applied to the synchronous rectification circuit, the synchronous rectification circuit comprises a control chip and an MOSFET, and the method comprises the steps that under the condition that a synchronous rectification strategy meets the condition of switching from closing of the MOSFET to opening of the MOSFET, the control chip controls to send Q synchronous rectification driving signals within the Mth preset period before closed-loop feedback adjustment time is reached, M is an integer with the value starting from 1, and Q is an integer with the value starting from 1; q is smaller than or equal to N, N is the number of the switching periods in the preset period, the synchronous rectification strategy comprises switching on the MOSFET and switching off the MOSFET, and Q and M have a linear relation. By implementing the embodiment of the invention, the synchronous rectification ...

Data processing method and device, equipment and storage medium

The invention relates to a data processing method and device, equipment and a storage medium, and relates to the technical field of block chains. The method comprises the following steps: classifying electronic prescription data based on privacy levels to obtain a plurality of sub-data; each piece of sub-data corresponds to different privacy levels; encrypting the plurality of sub-data to obtain encrypted data, and uploading the encrypted data to a block chain network; the encrypted data comprises a plurality of sub encrypted data; one piece of sub-encrypted data is obtained by encrypting one piece of sub-data, and the encryption algorithm of each piece of sub-data is different; in response to a data request message sent by a data requester, sending a target decryption key of target sub-data in the multiple pieces of sub-data to the data requester; the data request message is generated after the data requester obtains encrypted data from the block chain network, and the data request message ...

Semiconductor refrigeration auxiliary device and automobile comprising same

The invention discloses a semiconductor refrigeration auxiliary device, and belongs to the technical field of refrigeration devices.The semiconductor refrigeration auxiliary device comprises an air conditioner mounting plate mounted in an automobile air conditioner, a refrigeration container and a semiconductor refrigeration sheet, the refrigeration container is hermetically mounted at the top of the air conditioner mounting plate, and a partition plate is fixedly mounted on the inner wall of the refrigeration container; a vibration base is installed at the center of the top of the partition plate, a liquid vessel is installed on the vibration base, and a support is fixedly connected into the refrigeration container. According to the semiconductor refrigeration auxiliary device and the semiconductor refrigeration sheet, the semiconductor refrigeration sheet participates in a refrigeration system, and during the period, the spiral condensation pipe assists the semiconductor refrigeration ...

Magnetic memory cell structure

The invention relates to the field of magnetic storage, in particular to a magnetic storage unit structure. According to the SOT-MRAM core storage unit, a ferromagnetic layer/ultrathin metal intercalation/antiferromagnetic layer structure of an exchange bias intercalation structure is used for replacing a common [ferromagnetic/non-magnetic layer] n multi-layer coupling structure or a ferromagnetic layer/antiferromagnetic layer structure of an existing SOT-MRAM core storage unit; by adding the ultrathin metal intercalation, the ferromagnetic and antiferromagnetic interface magnetic moments can be regulated and controlled through the selected intercalation metal material and the thickness change of the intercalation metal material, so that the coexistence of in-plane and out-of-plane exchange bias in the exchange bias structure is realized; meanwhile, for storage, the stability of a storage unit fixing layer is ensured by an out-of-plane exchange bias field, and an in-plane exchange bias ...

Organic fluorescent material for high-sensitivity detection of thionyl fluoride as well as preparation method and application of organic fluorescent material

The invention discloses an organic fluorescent material for high-sensitivity detection of thionyl fluoride as well as a preparation method and application of the organic fluorescent material. According to the organic fluorescent material, construction units are self-assembled and gathered into a microscopic cross network structure with nanobelts through pi-pi stacking; the structural formula of the building unit is as follows: the interconnected network structure in the organic fluorescent material provides a high-speed transmission channel for electron transfer among molecules, so that the rapid proceeding of photoinduced electron transfer is ensured, meanwhile, the large specific surface area is beneficial to adsorption and diffusion with gas to be detected, and the detection sensitivity of the organic fluorescent material is improved; the high fluorescence quantum yield is beneficial to further improvement of the detection sensitivity, and the lowest detection limit of the thionyl fluoride ...

Mobile high-voltage electric power metering box

The utility model discloses a mobile high-voltage electric power metering box, which comprises a main body, air holes and mounting holes, the bottom end of the main body is uniformly provided with the air holes, the outer sides of the air holes are provided with dustproof structures, the top and the bottom end of one end of the main body are provided with stabilizing structures, and the two sides of one end of the main body are uniformly provided with the mounting holes. The interior of the mounting hole is fixedly connected with a fixing block, one end of the fixing block is fixedly connected with a fixing column, the top end and the bottom end of the two sides of the interior of the main body are fixedly connected with cooling fans, and the two sides of the interior of the main body are fixedly connected with fixing frames. The two sides of the bottom end of the main body are provided with the first clamping grooves, the first clamping grooves and the clamping blocks form a clamping structure ...

Nuclear thermal coupling method for reactor core of sodium-cooled fast reactor

The invention discloses a nuclear thermal coupling method for a reactor core of a sodium-cooled fast reactor. The method comprises the following steps: 1, establishing a section library model of a reactor core material; 2, establishing a neutron diffusion calculation analysis model; 3, establishing a power distribution calculation model; 4, establishing a fuel rod heat conduction calculation model and a coolant flow heat exchange model; and 5, establishing a reactor core thermal coupling calculation method of the sodium-cooled fast reactor. According to the method, the geometric structure in the reactor core of the sodium-cooled fast reactor is simplified, reactor core power distribution is obtained through a neutron diffusion calculation and analysis model, reactor core thermal workshop distribution is obtained through a thermal hydraulic parameter calculation model, and finally, a plurality of physical models are coupled and solved, so that the nuclear thermal coupling calculation of ...

Defect detection edge end system, defect detection cloud end system and defect detection method

According to the defect detection edge end system, the defect detection cloud end system, the defect detection method and the readable storage medium provided by the invention, the judgment that the to-be-detected point is defective or qualified is realized based on the AI (artificial intelligence) model, so that the use of human resources can be reduced; furthermore, the judgment result is subjected to spot check, and spot check data is output, so that the judgment result can be conveniently retested, judgment based on the AI model can be monitored, the reliability of judgment based on the AI model is improved, and defect detection can be reliably realized under the condition of reducing the use of human resources.

Information sharing method, processing device, server and system

The invention provides an information sharing method, a processing device, a server and a system. The method comprises the steps that the server to which a participant A belongs acquires an encrypted data set UB of a participant B and an encrypted data set UC of a participant C from a block chain system; encrypting the data set UB to generate an encrypted data set UBA; sending the data set UBA to the participant B; similarly, interacting with the participant C; the server to which the participant A belongs receives the data set UAB sent by the participant B and also receives the data set UAc sent by the participant C; calculating an intersection of the data set UBA and the data set UAB and an intersection of the data set UCA and the data set UAC; recording the index position of the intersection in the data sets UCA and UBA; mapping to a data set SA according to the index position to obtain an intersection SAB of the participant A and the participant B and an intersection SAC of the participant ...

Pedestrian intention early warning system and method based on pedestrian-vehicle-road cooperation

The invention relates to a pedestrian intention early warning system and method based on man-vehicle-road cooperation, and the system comprises a roadside end, a pedestrian end and a vehicle end, and the roadside end is used for detecting the pedestrian information and vehicle information of a road, and carrying out the information interaction with the pedestrian end and the vehicle end; the pedestrian end is used for detecting the moving state of a pedestrian, sending the moving state to the roadside end and receiving early warning information from the roadside end; and the vehicle end is used for detecting the moving state and the position information of the vehicle, sending the moving state and the position information to the roadside end, receiving the early warning information from the roadside end and sending out early warning. According to the invention, through the roadside equipment and the pedestrian end equipment, the behavior intentions of pedestrians at the intersection and ...

Preparation method of high-toughness copolyamide 6/66

The invention discloses a preparation method of high-toughness copolyamide 6/66, which is characterized by comprising the following steps: (1) respectively dissolving hexamethylenediamine and adipic acid in ethanol according to the molar ratio of 0.90-1.05, stirring and mixing at the temperature of 60-100 DEG C for reaction, filtering, washing with alcohol, and drying to obtain nylon 66 salt; (2) adding 0.2-1 part by weight of a catalyst, 0.1-0.5 part by weight of a stabilizer and 0.1-0.8 part by weight of a heat-resistant agent into 30-80 parts by weight of deionized water, and uniformly stirring to obtain an auxiliary agent; and (3) adding 10-90 parts by weight of nylon 66 salt, 10-90 parts by weight of caprolactam and 0-5 parts by weight of monomer into an auxiliary agent, adding the mixture into a polymerization reaction kettle, vacuumizing, introducing nitrogen to carry out condensation polymerization, cooling, strip casting, pelletizing and drying to obtain the high-toughness copolyamide ...

Reaction kettle capable of uniformly mixing and conveniently quantifying

The invention discloses a reaction kettle uniform in mixing and convenient to quantify, and belongs to the technical field of chemical equipment.The reaction kettle comprises a reaction cylinder body, a separation cover is arranged in the reaction cylinder body, the separation cover is rotationally connected with the reaction cylinder body through a connecting shaft, and a feeding port and a discharging port are formed in the reaction cylinder body; the feeding port and the discharging port are respectively provided with a blocking cover, each blocking cover is connected with the feeding port and the discharging port, an overhaul ladder is arranged on the reaction cylinder body, a mixing ring is arranged in the reaction cylinder body and rotationally connected with the inner wall of the reaction cylinder body, a mixing motor is arranged on the reaction cylinder body, and the output end of the mixing motor is connected with the mixing ring. The mixing motor is connected with the monitoring ...

Direct current charging pile with online function

The invention discloses a direct-current charging pile with an online function, and particularly relates to the field of new energy charging piles, the direct-current charging pile comprises multiple groups of non-vehicle-mounted charging piles pre-laid at a charging site, the adjacent non-vehicle-mounted charging piles have the online matched use capability, and each non-vehicle-mounted charging pile comprises a non-vehicle-mounted charging pile host and a non-vehicle-mounted charging pile cluster machine; each of the non-vehicle-mounted charging pile host and the non-vehicle-mounted charging pile slave comprises a cabinet body and an access door. According to the invention, through the on-line use of the DC charging gun I and the input charging interface, a user can select a charging mode of a single non-vehicle-mounted charging pile or an on-line high-power charging mode according to the charging power of the automobile; a non-vehicle-mounted charging pile host position can be charged ...

Four-door two-cover system test control device and method based on electric vehicle

The invention provides a four-door two-cover system test control device and method based on an electric vehicle, and the device comprises a test frame, the test frame is provided with a cylinder and a position sensor, the cylinder is communicated with an air source through an electromagnetic reversing valve, and the electromagnetic reversing valve is electrically connected with the position sensor. The test frame is provided with a fixing part on the motion path of the cylinder piston, and the fixing part is used for fixing a switch of the four-door two-cover system to be tested. The position sensor and the electromagnetic directional valve are arranged on the test frame to control stretching and retracting of the air cylinder piston, so that durability test of the four-door two-cover system of the electric automobile in the opening and closing states is achieved, the service life of the four-door two-cover system can be obtained, the product reliability of a user in the using process is ...

Gasification system, deicing device thereof and gas supply method

The invention provides a gasification system, a deicing device thereof and a gas supply method. The gasification system comprises two air temperature gasifiers which are arranged in parallel. The deicing device comprises two deicing assemblies which are arranged in parallel, and the two deicing assemblies are arranged corresponding to the two air temperature gasifiers; each deicing assembly comprises a liquid phase pipeline, an electric valve, a bypass pipeline and a bypass valve. The liquid phase pipeline is arranged on the upstream of the air temperature vaporizer and used for conveying a liquid phase medium to the air temperature vaporizer; the electric valve is arranged on the liquid phase pipeline; the bypass pipeline and the liquid phase pipeline are arranged in parallel; the bypass valve is arranged on the liquid phase pipeline; the bypass valve is in a closed state when the electric valve is opened; in the two deicing assemblies, the electric valve of any deicing assembly is opened ...

Different-plane multi-hole-site hot plugging equipment for automobile instrument panel cross beam

The invention relates to different-plane multi-hole-site hot plugging equipment for an automobile instrument panel cross beam, which comprises a rack, a positioning adjusting device arranged in the rack, a first feeding device and a second feeding device arranged at the rear end in the rack, a cross beam arranged in the middle in the rack, a driving assembly arranged on the cross beam, and a movable hot plugging device connected to the output end of the driving assembly in a matched manner, during use, a product is placed on the positioning adjusting device to be fixed, the first feeding device and the second feeding device are controlled by the control box to send a hot plug-in unit to a material waiting area, the hot plug-in unit is controlled to move along the cross beam, the part positioning tool is in linkage and moves to the position above the instrument panel cross beam, and the hot plug-in unit is moved from right to left by moving the hot plug-in unit. The hot plugging of the thread ...

Correction method, correction device and correction system for mortar firing angle setting

The invention relates to the technical field of mortar calibration, in particular to a calibration method, a calibration device and a calibration system for mortar firing angle setting. Comprising the following steps: establishing a cannon body coordinate system by a cannon body rotation center and a cannon trunnion shaft inclined plane, and establishing a geodetic coordinate system by the cannon body rotation center and a ground plane; according to the cannon body target pitch angle, the cannon body actual pitch angle, the cannon trunnion shaft inclination angle and the deviation angle of the cannon bore axis deviating from the firing surface, the mortar target azimuth angle, the mortar target pitch angle, the mortar actual azimuth angle and the mortar actual pitch angle under the geodetic coordinate system are converted into a cannon body coordinate system; according to the mortar target azimuth angle and the mortar actual azimuth angle under the mortar body coordinate system, the azimuth ...

Charging bow with heating device

The invention discloses a charging bow with a heating device, and particularly relates to the field of new energy chargers, the charging bow comprises a protective cover and a fixing frame, and the fixing frame and the middle of the back side of the protective cover are fixed through bolts and an external mechanism. Through the temperature sensor and the heating plate which are additionally arranged, when the temperature sensor detects that the environment temperature of the positions of the charging polar plate and the signal polar plate is smaller than a preset starting temperature threshold value, the heating plate is powered on to work for heating; when the temperature sensor detects that the environment temperature of the positions of the charging pole plate and the signal pole plate is higher than a preset stop temperature threshold value, the heating plate stops heating; during the non-charging period, preheating is carried out to melt the ice, so that the good access effect of the ...

File electronic signature algorithm capable of improving security of electronic signature

The invention discloses a file electronic signature algorithm capable of improving the security of an electronic signature, and relates to the technical field of electronic signatures, comprising the following steps: (1) uploading an electronic signature image; (2) segmenting the electronic signature image; (3) encrypting the electronic signature image; (4) calling and decrypting the electronic signature image; (5) checking the use of the electronic signature image; (6) generating an electronic signature; (7) executing the electronic signature; and (8) judging the electronic signature. According to the file electronic signature algorithm capable of improving the security of the electronic signature, the decryption structure is more complex and the decryption difficulty is higher through different encryption forms, the decrypted electronic signature image can be checked subsequently to ensure that the electronic signature image is correct, and the security of the electronic signature is ...

Defect determination device, defect detection system, and defect detection method

The invention provides defect judgment equipment, a defect detection system and a defect detection method, first main data and a first image output by AOI (automatic optical inspection) equipment are received by reinspection equipment, and second main data and a second image in a standard format are provided for an AI computing power center, so that different types of AOI equipment can be detected, and the defect detection efficiency is improved. The AI computing power center can use a set of processing system, so that the AI computing power center does not need to be matched with different AI computing power centers, and the manufacturing cost is reduced.

Pipe machining production line and pipe machining method

The invention provides a pipe machining production line and a pipe machining method, and belongs to the technical field of laser machining equipment.The pipe machining production line comprises a feeding device, the feeding device comprises a feeding rack, and a horizontal conveying mechanism is arranged at the upper end of the feeding rack; a rotary stock bin is rotationally installed on the side, away from the pipe cutting machine, of the feeding rack, the rotary stock bin is provided with a material removing mechanism and a single pipe lifting mechanism, and the material removing mechanism and the single pipe lifting mechanism are located at the feeding end of the horizontal conveying mechanism. When the pipe processing production line provided by the invention is used for feeding pipes, due to the fact that the rotatable rotary stock bin is adopted to replace a traditional material belt to perform single-pipe feeding action, and the horizontal conveying mechanism is adopted to replace ...

Self-adaptive rotating shaft strain measuring device

The invention discloses a self-adaptive rotating shaft strain measuring device which comprises a rotating device on a rotating shaft and a standing device on a protective shell. The rotating device comprises an induction power supply receiving module, a strain force collecting and processing module and a wireless sending module. The standing device comprises an induction power supply excitation module and a receiving module for strain force measurement; according to the invention, non-contact strain measurement of the rotating shaft in a narrow space is realized; load on-line testing under the working condition of the rotating shaft is achieved, and real-time state monitoring of the rotating shaft is achieved; the stability and the energy-saving performance of the test of the rotating shaft under the severe working condition are effectively improved through the self-adaptive adjustment method.

Full-automatic parallax digital detection device

The utility model belongs to the technical field of parallax detection, and particularly provides a full-automatic parallax digital detection device, which comprises a collimator for providing a target reference for a whole device to be detected; the image acquisition system is used for acquiring divided images of the collimator and the tested product; the industrial personal computer is used for processing the image acquired by the image acquisition system, calculating parallax error, storing data and controlling backlight at the same time; and the display is used for displaying the processed image or guiding installation, debugging and the tested product. The full-automatic parallax detection device adopts full-automatic parallax detection, and is compact in structure, convenient to operate, labor-saving and high in detection efficiency.

Management system is monitored to inspection shaft lid

... 本实用新型提供的种窨井盖监控管理系统，包括：窨井盖监测警示单元，用于对窨井盖是否缺失或异常开启进行检测并输出检测信号，且在窨井盖缺失或开启时向行人提供警示；无线中继网关，用于接收窨井盖监测警示单元输出的检测信号并上传至监控中心；监控中心，用于接收无线中继网关上传的检测信号，根据检测信号进行报警及显示，通过上述结构，能够全天候地对窨井盖进行监控，并及时反馈窨井盖是否缺失或开启的状态信息，旦窨井盖缺失或开启，能够准确定位异常井盖位置，能够对窨井盖进行有效监控并及时作出补救措施，而且在窨井盖缺失或开启后，能够起到良好的警示作用，从而防止意外事故发生。 ...

System and method for simplifying family type name in software model

The invention discloses a system and a method for simplifying a family type name in a software model. The system for simplifying the family type name in the software model comprises an acquisition unit, a processing unit and a control unit, wherein the acquisition unit is used for acquiring an original family type name in the software model; the segmentation unit is used for segmenting the original family type name by taking the same node character as a node according to a naming rule of the original family type name, the segmentation unit is used for segmenting the original family type name into at least two elements, and the at least two elements comprise a characteristic element; an extraction unit for extracting characteristic elements; the renaming unit is used for replacing the original family type name with a characteristic element and forming a new family type name; the write-in unit is used for importing the original family instance into a new family type name, and the original ...

Region-of-interest positioning method for 3D dynamic scanning imaging

The invention discloses a region-of-interest positioning method for 3D dynamic scanning imaging, and the method comprises the steps: carrying out the filtering and fitting of 3D point cloud data obtained through dynamic scanning through a processing mechanism, and obtaining a 2D gray image and a 3D depth image respectively; the 2D grayscale image realizes stable semantic segmentation between a chip pin and other tiny objects and an overall large plane of the chip by aiming at the pin and the shell of the chip to be detected through a UNET image segmentation model; according to the method, 3D depth data is adopted to obtain a 3D depth map, and the positions of interested areas semantically segmented on a 2D grey-scale map are superposed to obtain a depth information map with positioning of the interested areas such as a chip area and pins, so that different positioned interested areas are conveniently selected subsequently to carry out coplanarity analysis and calculation one by one, and ...

Design method and system of super-Nyquist equalizer based on transfer learning

The invention provides a method and a system for designing a super-Nyquist equalizer based on transfer learning. The method comprises the following steps: respectively modulating input signals on a source link and a target link; after the modulated signal is transmitted through a channel, carrying out equalization training on a neural network model in a source link; extracting trained neural network model parameters of a source link for migration to realize initialization of a neural network model of a target link; training the signal in the target link, and performing fine tuning on the neural network model parameters of the target link to obtain a trained neural network model of the target link; and testing and judging the signal based on the trained neural network model of the target link. According to the method, during link switching, the trained neural network equalizer model parameters on the source link are transferred to the target link based on transfer learning, random initialization ...

Pre-rolling flanging pressing device and system

The invention discloses a pre-rolling flanging pressing device and system, and belongs to the technical field of workpiece pre-rolling. The pre-rolling flanging pressing device comprises a pressing module, a pressing air cylinder and an overturning module. The overturning module comprises a frame, a connecting rod, a rotating arm and an overturning air cylinder, the pressing module comprises a mounting plate and a profiling pressing block, the profiling pressing block acts on the flanging crease position of a workpiece under the action of the pressing air cylinder and the overturning air cylinder, and the free edge of the profiling pressing block is provided with a crease contour matched with the flanging crease of the workpiece. The pre-rolling flanging system comprises a supporting frame, a tire film and at least one pre-rolling flanging pressing device. The pressing device can accurately position the flanging crease position of the large-flanging workpiece, so that pre-rolling flanging ...

Raw material liquid uniform mixing device for methanol cracking hydrogen production

The invention relates to a raw material liquid uniform mixing device for methanol cracking hydrogen production, and relates to the technical field of methanol cracking hydrogen production. The device comprises a raw material tank, an inlet pipe and a liquid outlet pipe are arranged on the outer side wall of the raw material tank, the inlet pipe and the liquid outlet pipe are both communicated with the interior of the raw material tank, a liquid outlet valve is installed on the side wall of the liquid outlet pipe, a stirring mechanism is arranged in the raw material tank, and a displacement sensor is embedded in the inner wall of the inlet pipe and used for detecting the height of raw material liquid introduced into the inlet pipe. A blocking rod used for blocking the liquid outlet part of the inlet pipe is slidably connected into the raw material tank, a dovetail block is arranged on the side wall of the blocking rod, a dovetail groove allowing the dovetail block to slide is formed in the ...

Multi-path inflation device and inflation control method

The invention relates to the technical field of inflation equipment, in particular to a multi-way inflation device and an inflation control method.The multi-way inflation device comprises a frame body, an inflator arranged in the frame body and a lithium battery for supplying power to the inflator, and a partition supporting structure is arranged in the frame body; the frame body is divided into an upper half frame and a lower half frame by the partition supporting structure; the lithium battery is arranged in the lower half frame, the inflator is arranged in the upper half frame, and the partition supporting structure supports the inflator; the inflator comprises a fan, a flow divider and air outlet connectors, the fan comprises an air outlet pipe, the flow divider comprises a main connector connected with the air outlet pipe and a plurality of flow dividing pipes connected to the main connector, and each flow dividing pipe is connected with one air outlet connector. And the resistance ...

Communication method, device and system

The embodiment of the invention discloses a communication method, device and system. An access network device sends capability information and an access reason of a terminal device to a core network device; under the condition that the capability information indicates that the terminal equipment supports voice bearer establishment and the access reason is EPS FB, the core network equipment sends voice dedicated bearer information and voice default bearer information to the access network equipment; the access network device allocates a first instance resource to the voice dedicated bearer information, allocates a second instance resource to the voice default bearer information, and sends the voice dedicated bearer information, the voice default bearer information, the information of the first instance resource and the information of the second instance resource to the terminal device; and the terminal equipment establishes a voice dedicated bearer and a voice default bearer according to ...

Preparation method of N, N '-bis (p-ethoxyphenyl)-1, 4-xylylene imine

The invention relates to the technical field of organic synthesis, and discloses a preparation method of N, N-dimethylformamide. The invention relates to a preparation method of N, N '-bis (p-ethoxyphenyl)-1, 4-xylylene imine, which comprises the following steps: reducing cheap and easily available 4-nitrophenetole through iron powder to obtain 4-aminophenetole, and reacting with terephthalaldehyde by using glacial acetic acid as a catalyst to obtain the target product N, N'-bis (p-ethoxyphenyl)-1, 4-xylylene imine, the preparation method is simple, the reaction time is short, and the yield is high. The reaction conditions are mild and pollution-free, the product yield is high, the purity is good, and the method is suitable for industrial production.

Block chain-based balanced power supply method and system, storage medium and equipment

The invention discloses a balanced power supply method and system based on a block chain, a storage medium and equipment, and belongs to the technical field of block chains. In the method, a block chain allocates a first DID, a second DID and a third DID to a power generation party, a power storage party and a power utilization party; when the power storage operation needs to be executed, the power generation party transmits the electric energy to the power storage party, signs the current generating capacity by using the first DID and then carries out uplink storage evidence; the electricity storage party stores the electric energy transmitted by the electricity generation party, signs the current electricity storage quantity by using a second DID and then carries out uplink evidence storage; when the discharging operation needs to be executed, the electricity storage party transmits the electric energy stored by the electricity storage party to the electricity utilization party, signs ...

Nano material with enhanced fluorescence response to sulfur decafluoride as well as preparation method and application of nano material

The invention discloses a nano material with enhanced fluorescence response to disulfur decafluoride as well as a preparation method and application of the nano material. The nano material has specific selective response to disulfur decafluoride, and construction units are self-assembled and gathered into a microscopic cross network structure with nanobelts through pi-pi stacking; the nano material prepared by the method has a micron-sized uniform nanobelt structure and is regular and uniform in form, a high-speed transmission channel is provided for energy transmission among molecules by the interconnected netlike structure of the nanobelts, and meanwhile, the large specific surface area of the nanobelts is beneficial to adsorption and diffusion with gas to be detected; compared with the prior art, the detection sensitivity of the material is improved, and the material has no fluorescent response to phosgene, sarin poison gas, tower collapse poison gas, thionyl fluoride or oxygen difluoride ...

Diamond copper heat sink nickel plating method for microwave high-power device packaging shell

The invention discloses a diamond copper heat sink nickel plating method for a microwave high-power device packaging shell. The diamond copper heat sink nickel plating method comprises the steps of alkaline ultrasonic oil removal, tap water ultrasonic treatment, acidic oil removal, tap water ultrasonic treatment, hydrochloric acid activation, pure water washing, rapid drying, magnetron sputtering, hydrochloric acid activation, tap water washing, pure water washing, nickel electroplating, pure water washing and rapid drying. According to the formula and the using method of the alkaline degreasing agent and the acidic degreasing agent, the two degreasing agents can play a complementary role, machining oil stains, animal grease and an oxide layer on the surface of a diamond copper material can be removed in a targeted mode, the pretreatment effect can be improved, and the binding force of a base material and a subsequent nickel plating layer can be improved. The nickel plating layer obtained ...

Article display video determination method and device and storage medium

The embodiment of the invention discloses an article display video determination method and device and a storage medium, and the method comprises the steps: obtaining a three-dimensional model and display parameter information of a to-be-displayed article, and the display parameter information comprises starting parameter information and ending parameter information; determining a starting observation position and an ending observation position of an observation path based on the three-dimensional model and the display parameter information; determining an observation path corresponding to the to-be-displayed article based on the starting observation position and the ending observation position; and generating a display video of the to-be-displayed article based on the observation path. According to the embodiment of the invention, the display video of the to-be-displayed article corresponding to the observation path is generated, so that a user can observe the appearance, size and other ...

Protective tying belt for complex geological road slope excavation

The invention discloses a complex geology road slope excavation protection lacing, and relates to the technical field of protection laces, the complex geology road slope excavation protection lacing comprises two mounting seats, each mounting seat is vertically provided with a lifting frame, and the mounting seats are provided with linear adjusting pieces for driving the lifting frames to move up and down; first mounting plates and second mounting plates are mounted on the lifting frame in an up-down relative sliding mode, connecting pieces are arranged on the two sides of the first mounting plates and the two sides of the second mounting plates, and the connecting pieces on the adjacent first mounting plates or the second mounting plates correspond to one another. The first rotating handle drives the adjusting disc to rotate so as to drive the bidirectional screw rod to rotate, and the bidirectional screw rod drives the first mounting plate and the second mounting plate to get close to ...

Terminal block assembly

The utility model discloses a terminal block assembly, comprising a slide rail, a terminal block and a sliding table, the sliding table is fixedly connected with the slide rail, the terminal block is movably connected with the slide rail, and the sliding table is clamped and matched with the terminal block. In the using process, the sliding table is fixedly connected with the sliding rail, and the terminal strip can be fixed only by being connected with the sliding table in a clamped mode without being fixed through bolts and the like. The connection structure of the terminal strip and the slide rail is simplified, and the dismounting process of the terminal strip is simpler and more convenient.

Food inspection blocking device

The food inspection blocking device comprises a base, a second vertical plate and a third vertical plate are welded to the two sides of the base respectively, a first rotating shaft and a second rotating shaft are rotationally connected between the second vertical plate and the third vertical plate respectively, and two eccentric wheels are in key connection to one side of the first rotating shaft. One end of the first rotating shaft penetrates through the second vertical plate key to be connected with a second gear, one end of the second rotating shaft penetrates through the second vertical plate key to be connected with a driving plate, a connecting piece is fixed to one side of the second rotating shaft, multiple push plates are fixed to one side of the connecting piece, sliding grooves are formed in one side of the second vertical plate and one side of the third vertical plate, and mounting plates are slidably connected into the sliding grooves; two mounting frames are fixed to the ...

Phenylalanine derivative containing 4-quinazolinone as well as preparation method and application of phenylalanine derivative

The invention provides a phenylalanine derivative containing 4-quinazolinone as well as a preparation method and application of the phenylalanine derivative. The derivative has a structure as shown in a general formula I. The invention also relates to a preparation method of the derivative and application of the derivative as an HIV-1 inhibitor in preparation of anti-AIDS drugs.

Stabilizer and application thereof in preparation of fluorine-containing polymer

The invention relates to the technical field of fluorine-containing polymer preparation, in particular to a stabilizer and application thereof in preparation of a fluorine-containing polymer. The stabilizer has the following structural formula: (CR1R2CR3R4O) a + (CR1R2CR3R4CR5R6O) b, and the structural formula is shown in the specification, wherein a and b are positive integers; r1-R6 are respectively and independently selected from the following groups: H, F, fluorine-containing or fluorine-free alkyl or alkoxy, and the number of carbon atoms is not more than 3. The stabilizer provided by the invention can significantly enhance the stability of a polymerization system, and makes up the shortages that perfluorooctanoic acid substitutes are insufficient in emulsifying ability and cannot produce high-molecular-weight fluorine-containing polymers; meanwhile, on the basis of reducing the cost and reducing the material waste, the continuous and stable operation of production is further ensured ...

Carrying gripper for automobile instrument panel cross beam

The carrying gripper for the automobile instrument panel cross beam comprises a mechanical arm, the output end of the mechanical arm is connected with a carrying frame through a connecting assembly, at least two sets of clamping devices are symmetrically arranged on the two sides of the carrying frame, and each clamping device comprises an external connecting assembly arranged on the outer side of the carrying frame; during use, the carrying frame is driven by the mechanical arm to move to the automobile instrument panel cross beam, the automobile instrument panel cross beam is clamped through the clamping device and then sent to the next working procedure or the mechanical arm to be directly fixed and machined, and in this way, the mechanical arm is matched with the carrying frame and the clamping device, and the automobile instrument panel cross beam can be conveyed to the next working procedure. And carrying operations such as clamping, moving and fixing of the automobile instrument ...

Incident light optimization method and system

The invention relates to an incident light optimization method and system. The method comprises the following steps: S1, converting incident light into N * N pixel points; s2, the N * N pixel points are evenly divided into M * M pixel blocks, and M is smaller than N; and S3, completing optimization of the incident light by changing the phase of the incident light corresponding to the M * M pixel blocks. After the pixel blocks are optimized through the first phase interval, the selected half pixel blocks are optimized again through the second phase interval based on the result of the first optimization, the incident light can be effectively optimized, meanwhile, the problem that the self-adaptive capacity of a traditional dispersion compensation optical fiber technology is insufficient can be solved, and the self-adaptive performance of the dispersion compensation optical fiber technology is improved. And a multimode optical fiber short-distance transmission system can be optimized.

Independent air conditioner control method and system based on block chain, storage medium and equipment

The invention discloses an independent air conditioner control method and system based on a block chain, a storage medium and equipment, and belongs to the technical field of block chains. The method comprises the following steps: a block chain allocates a first DID, a second DID and a third DID to an intelligent socket, a gateway and a sensor respectively; the data center sends a control instruction generated according to the energy-saving control strategy to the intelligent socket through the gateway; the intelligent socket controls the independent air conditioner to operate according to the control instruction; the intelligent socket signs the power consumption data of the independent air conditioner by using the first DID and then sends the data to the gateway; the sensor signs the environmental data by using the third DID and then sends the signed environmental data to the gateway; the gateway signs the power consumption data and the environment data by using the second DID and then ...

Method and device for suppressing inter-mode crosstalk between multi-core optical fiber super-Nyquist signals

The invention relates to the technical field of optical fibers, in particular to a method, equipment and device for suppressing inter-mode crosstalk between multi-core optical fiber super-Nyquist signals and a computer storage medium. According to the method for suppressing the inter-mode crosstalk between the super-Nyquist signals of the multi-core optical fiber, the equalization performance is effectively improved by using the decision feedback neural network equalizer with a nonlinear structure, the inter-mode crosstalk between the super-Nyquist signals in the multi-core optical fiber can be suppressed, and the bit error rate is reduced.

Preparation method of 5-acetyl-2-fluorophenylboronic acid pinacol ester

The invention relates to the technical field of organic synthesis, and discloses a preparation method of 5-acetyl-2-fluorophenylboronic acid pinacol ester, which comprises the following steps: reacting cheap and easily available 3-bromo-4-fluorobenzophenone, triethyl orthoformate and ethylene glycol to synthesize 3-bromo-4-fluoroacetophenone ethylene glycol, and then reacting with n-butyllithium and a boric acid reagent to obtain 5-acetyl-2-fluorophenylboronic acid pinacol ester. The preparation method comprises the following steps: taking 2-fluorophenylboronic acid as a raw material, hydrolyzing with hydrochloric acid to obtain 5-acetyl-2-fluorophenylboronic acid, and finally reacting with pinacol to obtain the target product 5-acetyl-2-fluorophenylboronic acid pinacol ester. The preparation method is novel, simple and efficient, the reaction conditions are mild and pollution-free, and the target product is large in yield, high in yield, good in purity and suitable for industrial production ...

Novel power distribution network distribution layer division method based on multilayer clustering

The invention relates to a novel power distribution network distribution layer division method based on multilayer clustering in the field of power systems. The distribution layer power grid division method based on multi-layer clustering is provided according to the form and architecture of a centralized-distributed power distribution network oriented to a dual-carbon target. The method is a method for determining a standard from top to bottom and clustering and dividing from bottom to top, and mainly comprises the steps of determining the net load density and performing multi-stage clustering, and finally obtaining a distribution layer dividing result (namely, each power supply unit) and a distribution layer power grid dividing result through a clustering method. The invention provides a novel power distribution network distribution layer division method matched with the characteristics of a novel power system, and the novel power distribution network distribution layer division method ...