Настройки

Укажите год
-

Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

Подробнее
-

Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год

Применить Всего найдено 83. Отображено 83.
06-02-2014 дата публикации

METHOD AND DEVICE FOR TRANSVERSELY LAYING OUT LIST COMPONENT ON TERMINAL

Номер: WO2014019425A1
Автор: TENG, Fei
Принадлежит:

Disclosed are a method and device for transversely laying out a list component on a terminal. The method comprises: after a list component is loaded, configuring a transversely scrolling underlying layer; configuring a list layer, where list items are transversely arranged, in the underlying layer; loading corresponding patterns and data in the list subitems of each of the list items; and displaying the obtained list component laid out transversely. In the present invention, when a terminal adopts transverse display, if a list component is laid out transversely, the space of a whole page can be made optimal and more contents can be displayed; from a code writing perspective, the code implementation of a transversely laid-out list component is more convenient than that of a longitudinally laid-out list component; through a user's personalized setting, different patterns and styles of transverse list components, such as the effect of ancient letters or scrolls and the like, can be built, ...

Подробнее
26-03-2020 дата публикации

METHOD FOR DETECTING NUCLEIC ACID

Номер: WO2020056924A1
Автор: LI, Wei, ZHOU, Qi, TENG, Fei
Принадлежит:

A method for detecting the presence and/or amount of a target nucleic acid molecule in a biological sample and a related kit. The method comprises: (a) contacting the biological sample with: i) Cas12b protein, ii) a gRNA targeting a target sequence of the target nucleic acid molecule, and iii) a single-stranded DNA reporter molecule generating a detectable signal after being cleaved to form a reaction mixture; and (b) detecting the presence and/or level of the detectable signal generated in the reaction mixture.

Подробнее
28-04-2011 дата публикации

METHOD AND DEVICE FOR DETECTING WHETHER MISSED CALL IS EFFECTIVE

Номер: WO2011047584A1
Автор: TENG, Fei
Принадлежит:

A method and device for detecting whether a missed call is effective are disclosed in the present invention. Wherein, the method for detecting whether a missed call is effective includes the following steps: when a calling is not successfully established, a network side prompts a caller to input authentication information and sends the authentication information input by the caller to a called terminal side in a short message manner; the called terminal side receives and identifies an authentication short message, judges whether the authentication short message is effective, and authenticates the corresponding incoming call number to be authenticated in a cache by using the authentication information when the authentication short message is judged effective; and the called terminal side writes the incoming call number passing the authentication into a missed call record. With the embodiments of the present invention, it is possible to store effective missed calls only into the missed call ...

Подробнее
04-08-2023 дата публикации

Thickness measuring instrument

Номер: CN116538986A
Принадлежит:

The invention discloses a thickness measuring instrument which comprises an equipment frame (1), a lower detection rod adjusting frame (2), an object placing platform (3) with a hole in the middle, a lower detection pressure head (4), an upper detection pressure head (5), a displacement sensor (6), a guide mechanism (7), a counterweight mechanism (8), a display control system (9) and a loading weight (10), wherein the lower detection rod adjusting frame (2), the object placing platform (3), the lower detection pressure head (4), the upper detection pressure head (5), the displacement sensor (6), the guide mechanism (7), the counterweight mechanism (8), the display control system (9) and the loading weight (10) are installed on the equipment frame (1). The thickness measuring instrument can measure the thickness of a plurality of point positions in the middle of the protective equipment randomly, and is small in size, low in cost, convenient to transport, safe and reliable; the thickness ...

Подробнее
29-08-2023 дата публикации

Circuit breaker control method and circuit breaker system

Номер: CN116666172A
Принадлежит:

The invention provides a circuit breaker control method and a circuit breaker system, and the circuit breaker system comprises an electromagnetic switch unit which is disposed on a power circuit and is configured to control the connection or disconnection of the power circuit; the current sensor is coupled to the power supply loop, and the current sensor is configured to detect working current in the power supply loop; at least one end of the control unit is coupled to the current sensor, at least one end of the control unit is coupled to the electromagnetic switch unit, the control unit is used for outputting a control signal to the electromagnetic switch unit according to the magnitude of the working current, and the control signal is used for controlling the magnitude of closing current of the electromagnetic switch unit; when the working current is larger than a first preset value, the closing current is smaller than the preset safety holding current of the electromagnetic switch unit ...

Подробнее
11-08-2023 дата публикации

Substation on-site signature identification terminal and alarm method thereof

Номер: CN116580399A
Принадлежит:

The invention discloses a substation field signature recognition terminal and an alarm method thereof, and mainly relates to the field of substation engineering construction. Comprising a terminal body, a plurality of grooves with upward openings are formed in the upper surface of the terminal body, first round holes are formed in the two side walls of one end of each groove respectively, connecting rods are fixed in the first round holes, the connecting rods are rotatably sleeved with first sliding rails, and the bottoms, close to the connecting rods, of the first sliding rails are arc-shaped; an opening is formed in the top of the first sliding rail, a second sliding rail is connected into the first sliding rail in a sleeved mode, and a camera is fixedly arranged at the top end of the second sliding rail. The beneficial effects of the invention are that the system can achieve the recognition of a plurality of pieces of signature data, gives an alarm for signatures which do not belong ...

Подробнее
23-06-2023 дата публикации

Transformer bushing infrared image identification method based on improved Mask RCNN

Номер: CN116310697A
Принадлежит:

The invention relates to a transformer bushing infrared image identification method based on an improved MaskRCNN. The method comprises the following steps: step 1, obtaining a large number of transformer bushing infrared images; step 2, zooming the image; step 3, sharpening the image; 4, constructing a feature pyramid network FPN to extract the features of the transformer bushing infrared image sharpened in the step 3; step 5, transmitting the feature map output by the FPN in the step 4 to a region suggestion network RPN so as to search a region of interest RoIs in which the transformer bushing exists; step 6, training the network by using a combined loss function of frame regression, classification and mask prediction; and step 7, outputting an infrared image recognition result of the transformer bushing. According to the invention, the transformer bushing can be identified with high precision through the infrared image obtained when the inspection robot executes inspection.

Подробнее
29-08-2023 дата публикации

Rehabilitation table

Номер: CN116650310A
Принадлежит:

The rehabilitation table comprises a suspension liquid bin and a supporting assembly, a patient is soaked in repairing liquid in the suspension liquid bin, the repairing liquid composed of saline water, albumin, collagen, hyaluronic acid and other components or skin tissue isotonic liquid composed of water, salt, glucose, protein, amino acid, enzyme, hormone, cytokines and other components is used as a carrier, and the repairing liquid and the skin tissue isotonic liquid are used for repairing the patient. A patient is soaked in the repair liquid and is in a zero-gravity suspension state, so that mechanical extrusion of an external environment to damaged skin tissues of the patient is reduced to the maximum extent, regeneration and recovery of the tissues are facilitated, and secondary injury to the patient caused by replacement of gauze, dressing and the like is avoided; meanwhile, ozone is introduced into the repairing liquid in the suspension liquid bin through the gas adding mechanism ...

Подробнее
30-06-2023 дата публикации

Unmanned aerial vehicle swarm centroid motion state tracking method, system, equipment and medium

Номер: CN116358564A
Принадлежит:

The invention discloses an unmanned aerial vehicle swarm centroid motion state tracking method, system and device and a medium, and relates to the field of unmanned aerial vehicle tracking, and the method comprises the steps: carrying out the initialization of a maneuvering filter through employing a state estimation error covariance matrix of the unmanned aerial vehicle swarm centroid at a previous moment; filtering by using the observation value of the unmanned aerial vehicle swarm centroid position at the current moment and the state estimation of each maneuvering filter at the previous moment to determine the unmanned aerial vehicle swarm centroid state estimation and error covariance matrix of each maneuvering filter at the current moment; according to the observation value of the mass center position of the unmanned aerial vehicle swarm at the current moment, a maneuvering model estimation network is used for carrying out maneuvering type judgment, and specific gravity weights of ...

Подробнее
11-08-2023 дата публикации

Question bank quick search system and method based on AI voice interaction and professional classification

Номер: CN116579334A
Принадлежит:

The invention discloses a question bank quick searching system and method based on AI voice interaction and professional classification, and mainly relates to the technical field of power grid construction engineering training. Comprising a wearable device, a background server and a question bank database server, the wearable device is specifically a pair of wearable glasses, the wearable glasses comprise a voice search engine and a network transmission module, and the wearable glasses are in data connection with the background server through the network transmission module. And the background server is in data connection with the question bank database server. The method has the beneficial effects that the safety question bank can be quickly searched, and the working efficiency is improved.

Подробнее
08-08-2023 дата публикации

Knowledge collaboration-based low earth orbit satellite fault analysis method

Номер: CN116560887A
Принадлежит:

The invention discloses a low earth orbit satellite fault analysis method based on knowledge collaboration, and the method comprises the following steps: constructing a knowledge graph according to a satellite fault manual and a satellite maintenance log, and building a fault diagnosis model based on knowledge graph retrieval; based on a cloud native KubeEdge platform, designing a knowledge service system of knowledge collaboration; the knowledge graph and the fault diagnosis model are applied to a knowledge service system, the knowledge service system with knowledge cooperation is achieved, and low-orbit satellite fault analysis is completed. According to the low earth orbit satellite fault analysis method based on knowledge collaboration, the problems of data scarcity, simple model and low time efficiency in a traditional method are solved, the timeliness of satellite-ground collaboration and the reliability of fault diagnosis are enhanced, and a potential solution is provided for real-time ...

Подробнее
09-05-2023 дата публикации

Rapid preparation method and application of 3-aminoquinoline derivative

Номер: CN116082231A
Принадлежит:

The invention provides a rapid preparation method and application of a 3-aminoquinoline derivative, the structural formula of the 3-aminoquinoline derivative is as shown in formula (III): wherein R1 is selected from C1-C6 alkyl or C6-C18 aryl; r2 is selected from C1-C5 alkyl groups; and R3 is selected from hydrogen, alkoxy and halogen. The 3-aminoquinoline derivative is constructed by simple raw materials in one step, and has the advantages of mild conditions, high atom economy, excellent yield, wide substrate range and the like, the post-treatment operation of the reaction is simple, and the 3-aminoquinoline derivative has tumor inhibitory activity.

Подробнее
28-07-2023 дата публикации

Cold energy recycling system and recycling method thereof

Номер: CN116499151A
Принадлежит:

The invention relates to the technical field of cold energy recycling, in particular to a cold energy recycling system and a recycling method thereof.The system comprises a cold source storage tank, a first heat exchanger, a second heat exchanger, a first vaporizer and a subcooler, and a first heat exchange inlet of the first heat exchanger communicates with the cold source storage tank through the subcooler; a first heat exchange outlet of the first heat exchanger is used for communicating with a client use end; a second heat exchange inlet and a second heat exchange outlet of the first heat exchanger are both used for communicating with an air conditioning system; a third heat exchange inlet of the second heat exchanger is communicated with the cold source storage tank through the first vaporizer, and the subcooler is further communicated with the third heat exchange inlet; a third heat exchange outlet of the second heat exchanger is used for being communicated with a client use end; ...

Подробнее
14-04-2023 дата публикации

Artificial target extraction method for multi-angle SAR scene

Номер: CN115963466A
Принадлежит:

The invention provides an artificial target extraction method for a multi-angle SAR scene, and relates to the field of radar image analysis. According to the method, target scattering anisotropy and strong scattering characteristics are combined, and scattering distinguishing is carried out on an artificial target and a natural target in a scene. On the basis of anisotropy analysis, aiming at limitation of parameters in a statistical method, an expectation maximization algorithm is used for solving the parameters to improve the anisotropy method, meanwhile, a fuzzy C-means clustering method is used for dividing a scene into two types, the strong scattering characteristic of a target is extracted, and the strong scattering characteristic and the strong scattering characteristic of the target are combined to complete extraction of the artificial target in the scene. The method solves the problem that other scattering characteristics of the target are not considered in the traditional multi-angle ...

Подробнее
28-11-2013 дата публикации

METHOD, SYSTEM AND RELATED DEVICE FOR IMPLEMENTING TERMINAL LOCATION WARNING

Номер: WO2013174320A3
Автор: TENG, Fei
Принадлежит:

Disclosed are a method, system and related device for implementing terminal location warning. The method comprises: a monitoring terminal first sending a positioning instruction to a monitored terminal, the monitored terminal performing, according to indication of the positioning instruction, GPS positioning on itself in the positioning time according to a positioning time interval, comparing a positioning result with information of the monitored area, and when the positioning result exceeds the monitored area, performing warning and sending the positioning result to the monitoring terminal, so that the monitoring terminal can timely understand whether the monitoring terminal exceeds the monitored area, which is convenient and effectively protects the safety of the monitored person.

Подробнее
06-06-2023 дата публикации

Fermentation method for efficiently producing recombinant human serum albumin by using pichia pastoris

Номер: CN116217706A
Принадлежит:

The invention belongs to the field of biological fermentation, and particularly discloses a fermentation method for efficiently producing recombinant human serum albumin by using pichia pastoris, and the fermentation method comprises the following steps: seed culture, fermentation tank fermentation, tank discharge after fermentation, centrifugal filtration and product collection. Wherein the fermentation stage of the fermentation tank comprises the following steps: 1) culture in an adaptive stage of the fermentation tank; (2) culturing in a fermentation tank in a sweet supplementing period; (3) culturing in a fermentation tank methanol induction period; supplemental gas is introduced into the fermentation tank in the fermentation stage, the supplemental gas in the step 1) is only air, oxygen is added into the supplemental gas in the step 2), and the supplemental gas in the step 3) is pure oxygen; wherein in the fermentation stage, pure oxygen obtained by gasifying liquid oxygen is used ...

Подробнее
07-04-2023 дата публикации

BL-DSSS signal code tracking method based on frequency domain subspace principle

Номер: CN115940992A
Принадлежит:

The invention provides a BL-DSSS signal code tracking method based on a frequency domain subspace principle, and the method comprises the steps: carrying out the signal preprocessing in a time-frequency domain, carrying out the time delay error estimation through employing a modified root-MUSIC algorithm, and compensating the fractional time delay through employing a frequency domain fractional time delay filter; the time delay error estimation part adopts a modified root-MUSIC algorithm, and the tracking range can be flexibly increased along with the setting of Nb and is not limited by a related error estimation principle; the modified root-MUSIC algorithm is adopted for time delay error estimation, the obtained estimation result linearly changes along with the increase of a real result, and the situation that the tracking establishment time is greatly increased under the condition of large time delay error due to nonlinear change in a traditional method is avoided.

Подробнее
06-07-2016 дата публикации

Ridger

Номер: CN0205356974U
Принадлежит:

... 本实用新型提供一种起垄机,属于农用机械技术领域,其可解决现有的起垄机功能单一,不能铺设滴灌带,不能直接实现滴灌灌溉农作物的问题。本实用新型的起垄机包括用于进行田间起垄作业的起垄主体,还包括设置在所述起垄主体上的滴灌带铺设机构,所述滴灌带铺设机构用于沿所述起垄主体的行进方向将所述滴灌带铺设至地面。本实用新型的起垄机能够一次性完成起垄和铺设滴灌带两项作业项目,为实现滴灌灌溉农作物创造了条件,节约了水资源,提高了生产效率和作业质量。 ...

Подробнее
25-07-2023 дата публикации

Drug reaction interpretable analysis method based on ensemble learning

Номер: CN116486990A
Принадлежит:

The invention provides a drug reaction interpretable analysis method based on ensemble learning, and the method comprises the steps: obtaining original data, carrying out the extraction and vectorization coding of the original data, and obtaining first data; the first data comes from different data tables and is integrated according to timestamps to obtain training data; inputting the training data into an ensemble learning model for training, and explaining the ensemble learning model by using a model explanation algorithm to obtain an important feature set; and inputting the important feature set into an integrated learning model for training, and explaining the drug reaction by using a model explaining algorithm. According to the method, the problem that a drug reaction analysis data mode is complex is solved by generating the important feature set, meanwhile, interpretable analysis is conducted according to the drug reaction outcome, the credibility of the model is enhanced, a favorable ...

Подробнее
18-10-2018 дата публикации

SYSTEM AND METHOD FOR GENOME EDITING

Номер: WO2018188571A1
Автор: LI, Wei, ZHOU, Qi, TENG, Fei
Принадлежит:

A system and method for eukaryotic genome editing, a CRISPR-Cpf1 system capable of highly efficient editing of a eukaryotic genome, and uses of the system.

Подробнее
05-05-2023 дата публикации

3D paving control device based on adjustable gradient laser system and RTK positioning technology

Номер: CN116067341A
Принадлежит:

The invention relates to a 3D paving control device based on an adjustable gradient laser system and an RTK positioning technology, the 3D paving control device comprises an RTK base station, a laser transmitter and a vehicle-mounted controller, RTK moving units are arranged in the vehicle-mounted controller and the laser transmitter, the RTK base station transmits RTK differential data to the RTK moving units respectively, and the RTK moving units are connected with the laser transmitter and the vehicle-mounted controller. The RTK moving unit calculates coordinate data according to differential data and sends the coordinate data to the main control unit, the main control unit sends an adjusting instruction to the laser emitting unit according to the coordinate data, the laser emitting unit emits a laser signal to the laser receiving unit, the laser receiving unit receives the laser signal, converts the laser signal into a corresponding height value and transmits the height value to the ...

Подробнее
14-04-2023 дата публикации

Automobile hub quality detection device

Номер: CN115963067A
Принадлежит:

An automobile hub quality detection device disclosed by the present invention comprises a base and a groove arranged in the base, a reverse motor is fixedly arranged in the groove, the upper end of the reverse motor is connected with a first reciprocating lead screw, the side wall of the first reciprocating lead screw is provided with a moving plate in a matched manner, and the moving plate is connected with the reverse motor. And four telescopic rods are uniformly and fixedly arranged on the side wall of the moving plate. The invention relates to the technical field of hub detection. According to the automobile hub quality detection device, the mounting and fixing process of the hub can be rapidly completed by controlling forward and reverse rotation of the reverse rotation motor, alternation and control of three states of rotation detection of the hub, height adjustment of the hub and static observation of the hub are completed by a single motor, and the quality of the hub can be accurately ...

Подробнее
18-08-2023 дата публикации

Service function chain placement method based on multi-target deep reinforcement learning

Номер: CN116614394A
Принадлежит:

The invention discloses a service function chain placement method based on multi-target deep reinforcement learning. The method specifically comprises the following steps: generating a service function chain instance needing to be placed and a user service demand; mapping a user service demand into a sub-problem, and allocating a weight preference for each optimization index; judging whether the weight preference appears in the previous time step or not, and retrieving a problem optimal neural network model corresponding to the current weight preference; otherwise, initializing the neural network model under the current weight preference; acquiring current physical network environment information and inputting the information into a space-time encoder for information encoding; the coding information is input into a distributed reinforcement learning agent, and an agent neural network carries out decision calculation and generates a decision function; storing and updating neural network ...

Подробнее
25-04-2023 дата публикации

Catheter fixing device for infusion of broken limb

Номер: CN115999018A
Принадлежит:

The invention relates to the technical field of medical apparatuses and instruments, and discloses a catheter fixing device for infusion of a broken limb, the catheter fixing device comprises a main body mechanism, a protection mechanism, an adjusting mechanism, a fixing mechanism and a tightening mechanism, the protection mechanism is located in the main body mechanism, the adjusting mechanism is located at the upper end of the protection mechanism, and the fixing mechanism is located on the inner side of the protection mechanism; the tightening mechanism is positioned at the outer end of the main body mechanism; the fixing mechanism comprises a catheter connector, an injection pipe, a soft capsule and an air inlet pipe. According to the catheter fixing device for infusion of the broken limb, a blood transfusion catheter is connected with a catheter connector, an injection tube extends into a blood vessel, gas is injected into an internal soft capsule through an air inlet tube, the internal ...

Подробнее
28-11-2013 дата публикации

METHOD, SYSTEM AND RELATED DEVICE FOR IMPLEMENTING TERMINAL LOCATION WARNING

Номер: WO2013174320A2
Автор: TENG, Fei
Принадлежит:

Disclosed are a method, system and related device for implementing terminal location warning. The method comprises: a monitoring terminal first sending a positioning instruction to a monitored terminal, the monitored terminal performing, according to indication of the positioning instruction, GPS positioning on itself in the positioning time according to a positioning time interval, comparing a positioning result with information of the monitored area, and when the positioning result exceeds the monitored area, performing warning and sending the positioning result to the monitoring terminal, so that the monitoring terminal can timely understand whether the monitoring terminal exceeds the monitored area, which is convenient and effectively protects the safety of the monitored person.

Подробнее
04-07-2019 дата публикации

SYSTEM AND METHOD FOR GENOME EDITING

Номер: WO2019127087A1
Автор: LI, Wei, ZHOU, Qi, TENG, Fei
Принадлежит:

Provided are a genome editing system CRISPR-C2c1 for site-specific modification of target sequences in a cell genome and the use thereof, wherein the system comprises a C2c1 protein or variants thereof and a guide RNA. Also provided are a method for site-specific modification of target sequences in a cell genome using the genome editing system CRISPR-C2c1, and a pharmaceutical composition comprising the genome editing system CRISPR-C2c1.

Подробнее
01-08-2023 дата публикации

Hydropower station optimization method

Номер: CN116522675A
Принадлежит:

The invention provides a hydropower station optimization method which is suitable for a runoff type hydropower station, the measurement of incoming flow of the hydropower station is realized by arranging a flow measurement device in a water diversion channel, the start-up judgment is carried out by utilizing the water level of a pressure forebay of the hydropower station, and the optimal distribution of the incoming flow among units is realized by adopting a scientific optimization strategy and method. Under the condition that incoming flow is fully utilized, reasonable generation of unit starting and optimization is achieved, and the overall operation performance and operation benefits of a hydropower station are improved.

Подробнее
07-02-2019 дата публикации

MULTIMEDIA RESOURCE RECOMMENDATION METHOD AND DEVICE

Номер: WO2019024670A1
Автор: TENG, Fei
Принадлежит:

Provided are a multimedia resource recommendation method and device. The method comprises: determining multiple available multimedia resources; determining estimated click through rates for the respective available multimedia resources; determining a multimedia resource to be recommended from the available multimedia resources according to a recommendation scenario and the estimated click through rates of the respective available multimedia resources; and making a multimedia resource recommendation to a target user according to the multimedia resource to be recommended. The present disclosure can improve efficiency of multimedia resource recommendation.

Подробнее
05-05-2023 дата публикации

BL-DSSS signal code tracking method based on frequency domain matched filtering and time delay adjustment

Номер: CN116073855A
Принадлежит:

According to the BL-DSSS signal code tracking method based on frequency domain matched filtering and time delay adjustment provided by the invention, through matched filtering and time delay adjustment realized by the frequency domain, the calculation complexity of an original code tracking method is obviously reduced, and the application range of a BL-DSSS system is expanded; meanwhile, the equivalent order of the adopted frequency domain time delay adjusting method is high, the precision is higher than that of a common interpolation method adopted by a delay phase-locked loop, and therefore smaller tracking errors are brought.

Подробнее
08-08-2023 дата публикации

Drug use effect prediction method based on co-disease characteristics

Номер: CN116564553A
Принадлежит:

The invention provides a drug use effect prediction method based on common disease characteristics, and belongs to the technical field of drug use effect prediction.The method comprises the steps that original data are obtained and processed to obtain a standard data set; training a dual-channel neural network model by using the standard data set to obtain a single feature of the patient; taking a single feature of the patient as a node feature, and constructing a network by connecting the similarity degrees of the patients to obtain a similar patient network; and learning a space structure of a similar patient network by using a graph convolutional network, mining associated information among similar patients, and predicting a medication effect of the patient based on the associated information. According to the method, a similar patient network is constructed, information among patients is fully mined, the accuracy of medication effect prediction is greatly improved, the accuracy of medical ...

Подробнее
04-07-2023 дата публикации

Prototype filter based on DFT filter bank structure and design method

Номер: CN116388729A
Принадлежит:

Based on a framework of a non-maximum extraction DFT filter bank, the prototype analysis and synthesis filter and the design method are provided, the stop-band suppression of the filter is increased, the complete reconstruction performance is improved, and the performance of the filter is improved. Compared with a traditional method adopting two root raised cosine filters as prototype filters, the method is expected to reduce the reconstruction error by about two orders of magnitude; according to the design method, the constraint optimization problem of filter parameters is analyzed, an optimal design method and a sub-optimal design method are designed respectively, and the two methods are easy to implement and good in performance.

Подробнее
25-04-2023 дата публикации

Tumor ablation parameter optimization system adopting pulsed electric field

Номер: CN116013532A
Принадлежит:

The invention discloses a tumor ablation parameter optimization system adopting a pulsed electric field, and particularly relates to the technical field of tumor ablation, which comprises a control module, a processing module, a pulsed electric field module, a pulse switch, a cloud data storage module and an ablation control module, the control module is used for a user to control a computer interface to set pulse parameters and send the pulse parameters to the processing module, and the processing module scans a tumor through three-dimensional ultrasonic waves and establishes a three-dimensional model according to tumor volume data. Data analysis is carried out on a pulse parameter object by utilizing a quadratic regression equation method according to tumor volume data, then pulse optimization parameters are obtained through an optimization function, and the optimization function is set through a parameter optimization module of a processing module to obtain pulse parameter optimal values ...

Подробнее
07-05-2020 дата публикации

SYSTEM AND METHOD FOR GENOME EDITING BASED ON C2C1 NUCLEASES

Номер: WO2020087631A1
Автор: LI, Wei, ZHOU, Qi, TENG, Fei
Принадлежит:

A system and a method for genome editing based on C2c1 nucleases, and an artificial guide RNA able to be combined with different C2c1 nucleases and used in genome editing.

Подробнее
13-06-2023 дата публикации

Flat-bottomed milling cutter for machining composite materials

Номер: CN116251986A
Автор: TENG FEI, DENG FANXIN
Принадлежит:

The invention discloses a flat-bottomed milling cutter for processing composite materials. The flat-bottomed milling cutter comprises a cutter handle and a cutter body, the cutter body is connected with the cutter handle, a plurality of spiral circumferential blades are arranged on the periphery of the cutter body, and bottom blades correspondingly connected with the circumferential blades are arranged at the front end of the cutter body; wherein the plurality of bottom blades are divided into long teeth and short teeth, and damping blades are arranged on the circumferential blades connected with the long teeth. The damping edges are arranged on the long teeth, so that the cutting edge of the milling cutter has a damping effect, the cutting force and the strength of the cutting edge are improved, and the stability is better when complex materials are machined.

Подробнее
23-06-2023 дата публикации

Oilfield development optimization method based on neutrosophy uncertain language information integration technology

Номер: CN116307088A
Принадлежит:

The invention provides an oil field development optimization method based on a neutrosophy uncertain language information integration technology, and relates to the technical field of oil exploitation method.The method comprises the steps that firstly, evaluation information of an oil development scheme is described with the help of neutrosophy uncertain language variables, then index weight information is objectively determined through a neutrosophy grey correlation analysis model and a Banzhaf value, and the evaluation information of the oil development scheme is obtained; and finally, effectively integrating evaluation information of the oil development schemes with complex relationships among the indexes by utilizing an intelligent uncertain language Choquet average operator in Banzhaf, and further determining an optimal oil development scheme. Oil field development scheme evaluation information can be accurately described, and the defect of loss of the oil field development evaluation ...

Подробнее
23-06-2023 дата публикации

Heterogeneous data semantic extraction method oriented to power distribution and utilization multi-dimensional service

Номер: CN116310407A
Принадлежит:

The invention relates to a heterogeneous data semantic extraction method oriented to power distribution and utilization multi-dimensional services. The method comprises the following steps: step 1, preprocessing power distribution and utilization multi-dimensional picture data; 2, performing semantic tag extraction on the preprocessed power distribution and utilization multi-dimensional picture data in the step 1 by adopting a deep learning model in combination with a manual correction mode, and constructing an image semantic tag set; step 3, based on the constructed image semantic tag set constructed in the step 2, performing semantic extraction of inspection text data, and matching corresponding semantic tags for equipment and places in the inspection text; and 4, based on the polling text data keyword extraction result in the step 3 and the picture semantic tag in the step 2, establishing text and picture semantic sequences by using an LCS algorithm, calculating the similarity between ...

Подробнее
23-06-2023 дата публикации

Biopharmaceutical information management system

Номер: CN116308156A
Автор: TENG FEI, LI CHENGGUI
Принадлежит:

The invention relates to the technical field of information management, and discloses a biopharmaceutical information management system, which comprises a department information management unit, a maintenance management unit, a medicine information management unit, a customer information management unit and a confidentiality system unit, the department information management unit, the maintenance management unit, the medicine information management unit, the customer information management unit and the confidentiality system unit are all located in the same server; according to the system, the secrecy system unit and the supervision program are arranged, the secrecy system unit can limit corresponding permissions of all departments in the biopharmaceutical company, and personal contact information of clients can be secrecy through the secrecy system unit; through the supervision program, the department personnel can be supervised in real time, when the department personnel try to look up ...

Подробнее
04-07-2023 дата публикации

Cleaning detection system for pharmaceutical equipment

Номер: CN116371852A
Автор: TANG JINFEI, TENG FEI
Принадлежит:

The invention relates to the technical field of pharmaceutical equipment, in particular to a cleaning and detecting system for pharmaceutical equipment, which comprises a rack, a water receiving tank, a cleaning and detecting component, an equipment rotating component, a water purifying tank, a sewage tank and a sewage draining exit, a sewage outflow hopper is arranged at one end of the lower side of the water receiving tank, and a water pumping pipe is arranged at the lower end of the water purifying tank; a water suction pump is arranged at one end of the water suction pipe, a water outlet pipe is arranged at the output end of the water suction pump, an electric cabinet is installed at the position, close to the water suction pump, of the inner side of the rack, a heating pipe is installed in the water purification tank, the equipment rotating component comprises a fixing plate, and a height adjusting push rod is installed on the upper side of the fixing plate. A vessel is fixed through ...

Подробнее
04-07-2023 дата публикации

Hole opening beam with built-in steel pipe and mechanical state calculation method

Номер: CN116378306A
Принадлежит:

The invention discloses a holed beam with built-in steel pipes and a mechanical state calculation method, and relates to the field of building structures. A built-in steel pipe is preset on a prefabricated cross beam formed by reinforced concrete according to the punching requirement, an inner mold pipe serving as a reserved hole is arranged in the built-in steel pipe through a supporting piece, and a pipeline serving as the reserved hole is arranged in the center of the rectangular built-in steel pipe, so that a structure shaped like a Chinese character'hui 'is formed by the pipeline and the built-in steel pipe, and truss inclined struts or inclined ribs are not used; only a row of shear keys connected with stress longitudinal bars in the cross beam in the front-back direction are horizontally arranged on the upper face and the lower face of the built-in steel pipe, and concrete pouring is carried out. In the construction stage, the function of a reinforcing steel bar support is achieved ...

Подробнее
28-04-2023 дата публикации

Video processing method and device, training method and device, processing equipment and storage medium

Номер: CN116030379A
Принадлежит:

The embodiment of the invention discloses a video processing method, a video processing model training method and device, processing equipment and a storage medium. The method comprises the following steps: acquiring predetermined features of a video, wherein the predetermined features comprise video features and audio features; inputting the predetermined features into a trained network model to extract an embedding expression of the video, and obtaining embedding vectors of different granularities of the video; wherein the different granularities comprise at least one of the following granularities: video frame-level granularities; video segment-level granularity; and video-level granularity. According to the embodiment of the invention, after the video features and the audio features are input into the trained network model, the embedding vectors of different granularities of the videos required by different application scenes can be obtained, and the capability of adapting to the application ...

Подробнее
18-07-2023 дата публикации

Light-weight magnetic core induction coil sensor with uniform effective magnetic conductivity

Номер: CN116449435A
Автор: LIN JUN, TONG YE, TENG FEI, XU LIN
Принадлежит:

The invention belongs to the technical field of nondestructive exploration of dam leakage paths, and particularly relates to a lightweight magnetic core induction coil sensor with uniform effective magnetic conductivity. Comprising a fusiform magnetic bar, cup-shaped magnetic flux collectors and a coil framework, the fusiform magnetic bar penetrates through the coil framework, an induction coil is wound outside the coil framework, the cup-shaped magnetic flux collectors are arranged at the two ends of the coil framework, and the fusiform magnetic bar solves the problem that effective magnetic conductivity of a cylindrical magnetic bar cannot be uniformized. The cup-shaped magnetic flux collector has the effect of improving the magnetic gathering capacity compared with a common magnetic collector, the weight of the magnetic core is reduced by improving the shape of the magnetic bar and optimizing the shape of the magnetic flux collector, meanwhile, effective magnetic conductivity can be ...

Подробнее
04-07-2023 дата публикации

High-performance golden finger and circuit board

Номер: CN116390339A
Принадлежит:

The embodiment of the invention discloses a high-performance golden finger and a circuit board, the high-performance golden finger comprises a golden finger sheet and a PCB body, the golden finger sheet comprises a grounding golden finger, the grounding golden finger is provided with at least one grounding via hole which is arranged in a penetrating manner, the front surface and the back surface of the PCB body are both provided with a plurality of golden finger sheets which are arranged side by side, and the PCB body is provided with a via hole in a penetrating manner. And the via holes are communicated with the grounding via holes of the grounding golden fingers arranged on the front surface and the back surface of the PCB body. The upper and lower grounding via holes are additionally arranged on the grounding golden fingers to communicate the grounding golden fingers on the front and back surfaces, so that the frequency domain performance of the signal channel is optimized, and the signal ...

Подробнее
16-05-2023 дата публикации

Transformer substation environment monitoring device and detection system based on magnetic attraction support

Номер: CN116124204A
Принадлежит:

According to the transformer substation environment monitoring device based on the magnetic attraction support and the detection system, an attraction magnet and a first track used for installing the attraction magnet are arranged in the detection device, and a second track matched with the first track is arranged on the inner wall of a transformer substation. By designing the first track convenient to install and fix, the adsorption magnets can be installed at all positions of the first track, field installation is facilitated, the influence of the field environment is avoided, and field personnel can conveniently check environment changes at any time.

Подробнее
04-08-2023 дата публикации

Silicon wafer receiving mechanism for silicon wafer detection system

Номер: CN116534384A
Принадлежит:

The invention provides a wafer receiving mechanism for a silicon wafer detection system, the wafer receiving mechanism comprises a wafer receiving box, a blowing device and a moving device, the wafer receiving box is arranged on the moving device, and the surface, used for containing silicon wafers, of the wafer receiving box is obliquely intersected with the falling direction of the silicon wafers, so that the silicon wafers are aligned after entering the wafer receiving box; the moving device is arranged on the rack in a sliding mode, the blowing device is arranged on the rack, and the blowing device corresponds to the silicon wafer clamping mechanical arm and blows air to the silicon wafers, so that the silicon wafers can enter the wafer receiving box in an inclined mode conveniently to be aligned. The device has the beneficial effects that the device is provided with the inclined containing bottom plate, the first blocking part and the second blocking part, and silicon wafers falling ...

Подробнее
04-07-2023 дата публикации

Vehicle-mounted asphalt flue gas treatment device

Номер: CN116371122A
Принадлежит:

The invention relates to the technical field of asphalt flue gas treatment, in particular to a vehicle-mounted asphalt flue gas treatment device which comprises a cyclone dust collector barrel, a cyclone dust removal fan is mounted at the upper end of the cyclone dust collector barrel, and a cyclone dust removal motor is mounted at the upper end of the cyclone dust removal fan. Asphalt flue gas is collected at a stirring pot and enters a combustor through a gas collecting pipeline to be combusted, combustible particulate matter in the asphalt flue gas is combusted and converted into harmless matter such as carbon dioxide, and the asphalt flue gas sequentially flows through the gas collecting pipeline, the combustor, a cyclone dust collector and a water spraying pipeline; large particles in the asphalt flue gas can be dedusted and filtered through the cyclone dust collector, then water-soluble substances in the asphalt flue gas are filtered through the water spraying system, and finally ...

Подробнее
28-04-2023 дата публикации

3D paving control algorithm based on laser gradient automatic adjusting and positioning system

Номер: CN116026285A
Принадлежит:

The invention relates to a 3D paving control algorithm based on an automatic laser gradient adjusting and positioning system, which is characterized in that on the basis of the existing laser transmitter, an automatic closed loop is formed to control the laser emission angle of the laser transmitter by automatically measuring the laser emission azimuth angle of the laser transmitter and measuring the distance between a 3D paver and the laser transmitter in combination with the positioning system. The laser of the laser transmitter automatically tracks the laser detector, automatic tracking calculation of elevation information of the 3D paver is achieved, a 3D paving control algorithm adopts a single-laser closed-loop automatic tracking algorithm, manual intervention is not needed in the implementation process, operation is easy and convenient, the matched hardware cost is low, and large-area popularization is facilitated.

Подробнее
07-07-2023 дата публикации

Multi-lens video recording method and related equipment

Номер: CN116405776A
Принадлежит:

The invention relates to the field of image processing, in particular to a multi-lens video recording method and related equipment, and the method comprises the steps: determining a target lens moving mode through the cooperative shooting of multiple cameras based on the information of a main object in a shot image and the motion information of the cameras, and fusing the images shot by the plurality of cameras based on the target mirror-moving mode to realize online mirror-moving fusion of the multi-channel video stream images.

Подробнее
06-06-2023 дата публикации

Unsupervised communication radiation source individual identification method based on bispectrum feature contrast learning

Номер: CN116226721A
Принадлежит:

The invention discloses an unsupervised communication radiation source individual identification method based on bispectrum characteristic comparative learning, and the method comprises the steps: firstly carrying out the characteristic comparative learning through employing a residual network shared by two parameters as a backbone network, and then inputting the rectangular integral bispectrum characteristics of an augmented sample into a comparative learning module, further learning feature representation with higher distinguishing power so as to enhance feature separability between different radiation source samples; and secondly, carrying out comparative learning on a clustering layer by using the extracted new feature representation, and completing a classification and recognition task. An experiment is carried out on an actually-measured ultrashort wave communication radio station data set, and compared with other unsupervised learning algorithms, the method has the advantages that ...

Подробнее
29-08-2023 дата публикации

Building energy storage and heating and ventilation integrated system based on cavity floor system

Номер: CN116658998A
Принадлежит:

According to the building energy storage and heating and ventilation integrated system based on the cavity floor system, a cavity is formed in a box body component, and a power generation component and an oscillation component are arranged in the cavity; the compression temperature control component is arranged in the mounting cavity; the hot water part is arranged in the mounting cavity; the energy storage component is arranged in the mounting cavity; the air outlet component is arranged in the mounting cavity; the circulating component is arranged in the mounting cavity; the power generation component and the hydroelectric generation component are adopted for power generation, and power supply and power storage are carried out by means of external energy such as solar energy and wind energy and hydraulic fall; the compression temperature control component is adopted to suck indoor air, heat exchange is carried out through the energy storage component, cooling and heating are carried out ...

Подробнее
18-07-2023 дата публикации

Round nose milling cutter

Номер: CN116441607A
Автор: TENG FEI
Принадлежит:

The invention relates to the technical field of metal cutting tools, in particular to a round nose milling cutter which comprises a cutter neck part and a cutting edge part, one end of the cutting edge part is connected with the cutter neck part, a plurality of end edges are arranged on the end face of the other end of the cutting edge part, the end edges are circumferentially arranged around the axis of the cutter neck part, and each end edge extends from the edge of the cutting edge part to the center of the cutting edge part. The end portions, close to the center of the cutting edge portion, of the end edges are provided with tool noses, the tool noses comprise the tool noses A and the tool noses B, the two adjacent end edges are provided with the tool noses A and the tool noses B respectively, and the distances between the tool noses A and the axis of the tool neck portion are not equal. In the rotary cutting process of the milling cutter, the cutter point A and the cutter point B can ...

Подробнее
28-07-2023 дата публикации

Hot melting drill bit

Номер: CN116493645A
Автор: TENG FEI
Принадлежит:

The invention discloses a hot melting drill bit, which relates to the technical field of drill bits, and comprises a handle part, a guide extrusion part and a drill point extrusion part, one end of the guide extrusion part is connected with the handle part, and the diameter of the guide extrusion part is D; the drill point extrusion part is in a conical shape and comprises a first working part and a second working part, the first working part is connected with the small head end of the second working part, the large head end of the second working part is connected with the other end of the guide extrusion part, the first working part is in a hemispherical shape, and the second working part is in a hemispherical shape. The surface of the second working part comprises a first arc-shaped extrusion part and a plane clearance part which are arranged at an interval, and the section contour of the second working part is formed by surrounding a first arc-shaped section formed by the first arc-shaped ...

Подробнее
14-07-2023 дата публикации

Frequency hopping signal parameter blind estimation method based on atomic characteristics

Номер: CN116436492A
Принадлежит:

The invention discloses a frequency hopping signal parameter blind estimation method based on atomic characteristics, and the method comprises the steps: firstly carrying out the windowing processing, compressed sampling and atomic characteristic extraction of a frequency hopping signal, and roughly estimating a hopping moment according to the distribution rule of the atomic characteristics of signals in different windows; then accurately estimating a hopping moment, a frequency hopping period and a hopping speed by using a block diagonalization Fourier orthogonal matrix; and finally, estimating the frequency of each hop of signal by using an orthogonal matching pursuit algorithm, and obtaining a frequency hopping pattern of the whole sample by splicing each hop of signal. According to the method, the calculation complexity and the estimation precision can be changed by adjusting the search step size and the compression ratio so as to adapt to environments with different signal-to-noise ...

Подробнее
13-06-2023 дата публикации

Electricity consumption information unstructured data storage method based on MongoDB index

Номер: CN116257487A
Принадлежит:

The invention relates to a MongoDB index-based electricity consumption information unstructured data storage method. The method comprises the following steps of 1, collecting unstructured electricity consumption information data and customer data of an electricity consumption information collection system; step 2, establishing an unstructured data storage platform of the electricity utilization information acquisition system; step 3, establishing a special user file for each user; all metadata information in the user file is stored in a MongoDB storage system; and step 4, realizing storage and reading of unstructured data between the HDFS architecture and the MongoDB storage system based on the unstructured data storage platform of the power utilization information acquisition system constructed in the step 2. According to the invention, rapid storage and accurate extraction of data can be realized.

Подробнее
21-04-2023 дата публикации

PEDOT: PSS-based flexible strain sensor and preparation method thereof

Номер: CN115993086A
Принадлежит:

The invention discloses a PEDOT: PSS-based flexible strain sensor and a preparation method thereof. The PEDOT: PSS-based flexible strain sensor comprises a linear high-conductivity inner core and a low-conductivity outer layer coating the surface of the linear high-conductivity inner core, the low-conductivity outer layer is prepared from PEDOT: PSS subjected to mechanical modification by polyvinyl alcohol, formaldehyde and glycerol; the linear high-conductivity inner core is prepared from PEDOT: PSS which is electrically modified by sorbitol, malic acid, sodium chloride and nano-silver powder. The flexible strain sensor prepared by the invention has the characteristics of ultra-sensitivity, high consistency, high stability, high stretchability and the like, is applied to the field of human body wearing, and has good practicability.

Подробнее
11-04-2023 дата публикации

Metal array antenna integrated internal monitoring module

Номер: CN115954683A
Принадлежит:

The invention discloses a metal array antenna integrated internal monitoring module which comprises a metal array antenna, a notch coupling radio frequency connector, a coupling printed board, a metal cover plate and a metal floor, the metal array antenna is an array formed by a plurality of antenna units, and the metal floor and the metal array antenna are integrally processed. A plurality of notch coupling radio frequency connectors and a coupling printed board are sequentially installed on a metal floor, and the notch coupling radio frequency connectors, the coupling printed board and the metal floor are fastened together through a metal cover plate to form a metal array antenna-internal monitoring module. According to the invention, a conventional metal array antenna-internal monitoring module framework is simplified, the transmission loss of a radio frequency link is reduced, the reduction of the height of a system profile is facilitated, and the antenna has obvious application advantages ...

Подробнее
23-06-2023 дата публикации

Epidemic prevention early warning system for enterprise rework and reproduction

Номер: CN116313133A
Принадлежит:

The invention relates to the technical field of epidemic situation prevention and control, in particular to an epidemic prevention early warning system for enterprise rework and reproduction, which comprises a user login module, an information verification module, a big data reading module, an information processing module, an information uploading module, an information backup module, an early warning module, an alarm module, a data calling module and an early warning algorithm. According to the invention, through designing the epidemic prevention early warning system, the personnel management abnormal condition of the rework and production recovery enterprise is converted from passive notification to active acquisition, the intermediate link time is reduced, the enterprise is supported to continue production, and the data connection with the big data center is broken through; a past manual filling mode is changed into a mode that the system automatically obtains nucleic acid, antigen ...

Подробнее
07-07-2023 дата публикации

Multipath merging method, device and equipment for knowledge graph data and medium

Номер: CN116402131A
Принадлежит:

The invention provides a multi-path merging method, device and equipment for knowledge graph data and a medium, and relates to the technical field of data storage, and the method comprises the steps: obtaining to-be-merged knowledge graph data, and mapping the knowledge graph data into a plurality of prefix trees; constructing a bit vector, storing the tree topology data of the sub-tree in each prefix tree in an interval of the bit vector based on a preset coding mode, and respectively storing all prefix characters in each prefix tree in a character array corresponding to the bit vector; calculating an over-limit value of each bit vector, and establishing an index for the bit vector by using a preset data structure; reading the prefix characters from the character array, and extracting the topological data of the sub-tree covered by the read prefix characters by using the index; and constructing the extracted topological data of the sub-tree into a temporary array, and returning the bit ...

Подробнее
25-04-2023 дата публикации

Method for manufacturing double-sided buried copper plate in film pasting mode and double-sided buried copper plate

Номер: CN116017854A
Принадлежит:

The invention discloses a method for manufacturing a double-sided buried copper plate in a film pasting mode, which comprises the following steps of: cutting a core plate and a micro-mucous membrane into a size required by design, and windowing at a position corresponding to a copper block on the core plate so as to form an inner groove for accommodating the buried copper block; pasting a micro-mucous membrane on one surface of the core plate; a plurality of half holes are drilled in the groove edge of the inner groove, and the micro-mucous membrane is drilled through; placing the copper block in the inner groove of the core plate so as to support and fix the copper block by using the micro-mucous membrane; filling a gap between the copper block and the groove wall of the inner groove by using a resin hole plugging method; then the core plate is pressed, so that the laminated high-temperature curing resin is utilized; tearing off the micro-mucous membrane; and resin residual glue on the ...

Подробнее
02-05-2023 дата публикации

Multi-angle SAR (Synthetic Aperture Radar) target scattering anisotropy deduction method, device, equipment and medium

Номер: CN116047463A
Принадлежит:

The invention provides a multi-angle SAR target scattering anisotropy deduction method, and relates to the technical field of radar target characteristic analysis, and the method comprises the steps: converting SAR multi-angle image data of a target object into a two-dimensional feature matrix of an angle dimension and a pixel dimension; pixel dimension prior input information is extracted from pixel dimension data of the two-dimensional feature matrix, and angle dimension prior input information is acquired based on prior SAR full-angle image data; performing back scattering deduction on the pixel dimension data of the two-dimensional feature matrix based on the pixel dimension prior input information and the angle dimension prior input information to obtain a scattering deduction result; and complementing the full-angle image data of the target object based on a scattering deduction result to reconstruct target edge information and geometric attributes of the target object. The invention ...

Подробнее
29-08-2023 дата публикации

High-temperature piezoelectric acceleration sensor and manufacturing method thereof

Номер: CN116660578A
Принадлежит:

The invention relates to a high-temperature piezoelectric acceleration sensor and a manufacturing method thereof, and belongs to the technical field of acceleration sensors. The piezoelectric acceleration sensor comprises a pre-tightening piece, an inertial mass block, an insulating sheet I, an insulating sheet II, an electrode sheet, a piezoelectric assembly and a base. The piezoelectric assembly is formed by stacking a negative temperature coefficient piezoelectric element and a positive temperature coefficient piezoelectric element. The number of the negative temperature coefficient piezoelectric elements and the positive temperature coefficient piezoelectric elements is one or more. Wherein the piezoelectric constant of the positive temperature coefficient piezoelectric element is increased along with the rise of the temperature, and the piezoelectric constant of the negative temperature coefficient piezoelectric element is reduced along with the rise of the temperature. The piezoelectric ...

Подробнее
25-08-2023 дата публикации

Normally open lithium battery gas emergency cut-off valve

Номер: CN116642038A
Принадлежит:

The invention relates to the field of valves, and discloses a normally open lithium battery gas emergency cut-off valve which comprises a valve body, a cut-off mechanism is arranged at the top of the valve body and connected with a valve block mounting plate, an electromagnetic control mechanism is fixedly connected to the top of the valve block mounting plate, and the cut-off mechanism comprises a valve deck. A sealing steel pipe is fixedly connected to the top of the valve deck, a hinge pull rod is slidably connected into the sealing steel pipe, a first compression spring is fixedly connected to the bottom of the valve deck, a sealing top ring is fixedly connected to the bottom of the first compression spring, and the top of the sealing top ring is connected with the bottom of the sealing steel pipe through a jackscrew. By arranging the battery, the battery can be used for supplying power, the problem that the electromagnetic valve cannot be used after power failure does not need to be ...

Подробнее
23-06-2023 дата публикации

Miniaturized three-component anti-crosstalk magnetic core induction coil sensor and leakage detection method

Номер: CN116296114A
Принадлежит:

The invention belongs to the technical field of nondestructive exploration of dam leakage paths, and relates to a miniaturized three-component anti-crosstalk magnetic core induction coil sensor and a leakage detection method. Comprising three magnetic core coils which are perpendicular to one another, each magnetic core coil comprises a coil framework, a rod-shaped magnetic core penetrates into the coil framework, and a wound induction coil is arranged on the outer side of the coil framework; after a shielding device is arranged on the outer side of the magnetic core coil, the magnetic core coil is arranged in the framework shell, spatial distribution is fixed through the framework shell, and the three induction coils measure magnetic field signals in three directions. During measurement, each induction coil can generate a secondary magnetic field, the secondary field can be induced by the other two coils, and secondary crosstalk is caused, each shielding device is as long as the induction ...

Подробнее
18-07-2023 дата публикации

Preparation and application of manganese-doped MoS2 electrocatalyst

Номер: CN116445959A
Автор: TENG FEI, RUAN WANSHENG, MA BEN
Принадлежит:

The invention discloses a preparation method and application of a manganese-doped MoS2 electrocatalyst, and belongs to the technical field of electrocatalytic hydrogen production, and the preparation method comprises the following steps: adding ammonium molybdate, manganese chloride and potassium thiocyanate into a container, uniformly stirring, heating, cooling, dissolving KSCN in distilled water, collecting a product, and washing to obtain the manganese-doped MoS2 electrocatalyst. The manganese-doped MoS2 is used as an electrocatalyst material, and has outstanding performance in the aspect of electrocatalytic hydrogen production: when the voltage reaches 10mAcm <-2 >, the required overpotential is only 79mV; the Tafel slope of hydrogen production is only 55.46 mV/dec, and the result is superior to that of most reported MoS2-based hydrogen production electrocatalysts.

Подробнее
06-06-2023 дата публикации

Method for manufacturing micro-nano structure on surface of optical element

Номер: CN116216627A
Принадлежит:

The invention relates to a method for manufacturing a micro-nano structure, which comprises the following steps of: firstly, preparing a nanosphere array with a periodic structure on the surface of an element by utilizing a colloidal sphere self-assembly technology through improving the traditional reactive ion beam etching technology; and the working gas pressure intensity, temperature, time, etching power and other process conditions are controlled, and the duty ratio between the colloidal spheres is adjusted. Then plating a thin film mask in gaps of the colloidal spheres by utilizing a thin film low-temperature deposition method, and then removing the colloidal spheres by utilizing a matching solution. And finally, etching the element by using a wide beam ion source, transferring the pattern of the thin film mask to the element, and finally obtaining the micro-nano structure element. According to the invention, samples can be provided for experimental research or industrial production ...

Подробнее
09-04-2021 дата публикации

Debugging table for electronic power-assisted tubular column

Номер: CN212931925U

The utility model relates to the technical field of automobile part detection devices, in particular to a debugging table for an electronic power-assisted tubular column, which comprises an equipment main machine, the equipment main machine comprises a rack, a material conveying device, an upper input shaft, a lower output shaft and a workpiece placing area, and a pressing air cylinder is arranged in the workpiece placing area. A piston rod of the pressing air cylinder is connected with the sliding table, a swing air cylinder is fixed to the sliding table, a piston rod of the swing air cylinder is connected with the pressing claw mechanism, an ECU plug is arranged on the side face of the workpiece containing area, and an upper input shaft and a lower output shaft are arranged above and below the workpiece containing area respectively. Compared with the prior art, the debugging table for the electronic power-assisted steering column is designed, the performance of the electronic power-assisted ...

Подробнее
27-06-2023 дата публикации

Loading control device and method for Hopkinson bar impact test

Номер: CN116337661A
Принадлежит:

The invention discloses a loading control device and method for a Hopkinson bar impact test, and belongs to the technical field of impact calibration of high-g-value acceleration sensors. The device comprises a linear motor, a limiting rod, an end cover, a bullet shooting barrel, an experiment bullet, an air compressor, an air storage tank, a vacuum pump, a console, a buffer gasket and a gasket clamping plate. And a movable limiting rod is mounted in the bullet shooting barrel. The shooting position of the experiment bullet is adjusted and determined by controlling the length of the limiting rod extending into the bullet shooting barrel. The device and the method are matched with the Hopkinson bar for use, the launching position and the acceleration distance of the experimental bullet are accurately controlled and adjusted through the limiting mechanism, the acceleration peak value is accurately controlled, and the corresponding relation of the driving air pressure, the acceleration distance ...

Подробнее
29-06-2016 дата публикации

That is applied to nuclear power station shielding factory building sways porous barrier energy -absorbing damping water tank structure

Номер: CN0205348443U
Принадлежит:

... 本实用新型提供一种应用于核电站屏蔽厂房的摇摆多孔隔板吸能减振水箱结构,所述水箱壁上设置有预埋件,所述预埋件上安装有铰接座,铰接座上铰接安装有多孔板,多孔板的两侧与水箱壁之间对称设置有阻尼器和弹簧元件,所述多孔板位于水箱内。本实用新型与现有的技术方案相比具有造价低廉,安装简单,减振性能稳定,不改变水箱结构的现有设计等优点,在安装改造上具有极大的优势。 ...

Подробнее
04-07-2023 дата публикации

Sunken air shaft structure and construction method thereof

Номер: CN116378357A
Принадлежит:

The invention relates to a sunken air shaft structure and a construction method thereof.The sunken air shaft structure comprises a prefabricated air shaft body structure installed in a building body, a ventilation channel is formed in the prefabricated air shaft body structure, an air inlet is formed in the top of the prefabricated air shaft body structure, an air pipe connecting hole is reserved in the side portion of the prefabricated air shaft body structure, and a water outlet is formed in the bottom of the prefabricated air shaft body structure; the top surface of the air shaft main body structure is flush with the top surface of the building main body; and the shutter is arranged at the air inlet. The prefabricated air shaft body structure is adopted, the construction period can be shortened, the construction efficiency is greatly improved, the top face of the air shaft body structure is flush with the top face of the building body, and the overall landscape effect is guaranteed.

Подробнее
12-05-2023 дата публикации

Data analysis method based on trusted multiple views

Номер: CN116110542A
Принадлежит:

The invention provides a data analysis method based on multiple trusted views, and belongs to the technical field of data processing. The method comprises the following steps: processing original three-high data, and extracting view data; according to extracted view data, the category probability and uncertainty quality of multiple views are output through a three-high data analysis model, meanwhile, an attention module is designed in the method, the relation between index data in the views is dynamically modeled, different weights are distributed for indexes, information in the views is integrated, view representation is carried out, and in addition, the multi-view classification probability and uncertainty quality are obtained. And the learned multi-view representation is sent to a credible multi-view fusion module, reliable multi-view fusion is executed in combination with an evidence theory, and associated factors of different three-high data are given. According to the method, in combination ...

Подробнее
23-06-2023 дата публикации

Cast-in-place concrete pile guide pipe position monitoring system and monitoring method thereof

Номер: CN116290138A
Принадлежит:

According to the cast-in-place concrete pile guide pipe position monitoring system and the monitoring method thereof, the pouring guide pipe is adjusted through monitoring of the pipe opening position of the pouring guide pipe and depending on data guidance, and judgment does not need to depend on experience of management personnel. Due to the fact that the position of the pipe opening of the pouring guide pipe is monitored, early warning can be conducted when the guide pipe is about to be lifted to the concrete pouring upper surface, and pile breaking accidents caused by misoperation of workers are avoided. The pipe opening position monitoring of the pouring guide pipe can effectively guide workers to lift and dismount redundant guide pipes at any time, and the overall downward pressure in the concrete pouring process is guaranteed, so that the construction speed is increased. The problem that the underwater concrete pouring efficiency of an existing cast-in-situ bored pile is low is solved ...

Подробнее
30-05-2023 дата публикации

Statement intention recognition method and system, storage medium and processor

Номер: CN116189661A
Принадлежит:

The invention discloses a statement intention recognition method and system, a storage medium and a processor. Phoneme information and dialect cell set extraction is performed on a to-be-recognized speech statement, and initial recognition information is generated, so that a recognition text closest to transliteration of the to-be-recognized speech statement is obtained; word meaning recognition is performed on entity keywords in a recognition text through a regional dialect dictionary to obtain an intention text and/or intention speech, context analysis and logic recognition are performed on semantic features of the intention text and/or intention speech, and the semantic features of the intention text and/or intention speech are recognized under the condition that a result corresponding to semantic logic is determined to reach a preset threshold value. Determining that the dialect cell area information selected in the method is correct, and determining that the semantics of the output ...

Подробнее
26-05-2023 дата публикации

Asymmetric double-arch beam-column tunnel structure and reverse construction method thereof

Номер: CN116163738A
Принадлежит:

The invention discloses an asymmetric double-arch beam column tunnel structure and a reverse construction method thereof.The asymmetric double-arch beam column tunnel structure is structurally characterized in that an arch-shaped large hole and an arch-shaped small hole are connected through a bottom longitudinal beam and a top longitudinal beam, square column supports are arranged between the bottom longitudinal beam and the top longitudinal beam, and in the construction process, the side, away from the small hole, of the large hole needs to be constructed firstly; after excavation and primary support of the part are completed, parts to be constructed in other construction methods can be continuously constructed, and small hole construction is carried out at the same time. According to the method, a large section is decomposed into small sections for excavation and support construction, so that the safety of tunnel construction is improved; the large hole structure and the small hole structure ...

Подробнее
14-07-2023 дата публикации

Calculation unloading and privacy protection joint optimization method for mobile block chain network

Номер: CN116437341A
Принадлежит:

The invention discloses a calculation unloading and privacy protection joint optimization method for a mobile block chain network, and the method specifically comprises the steps: taking task unloading, user privacy protection and mining profit formalization as a joint optimization problem, and carrying out the modeling as a Markov decision process; using a D3QN algorithm to maximize privacy levels of all block chain users while minimizing long-term system unloading utility; a block chain network model based on mobile edge computing MEC is constructed, the block chain network model comprises an MEC server, a wireless access point AP, a group of multiple Internet of Things devices and multiple groups of MUs, the multiple MUs serve as miners, state information serves as input by using a D3QN algorithm to obtain an unloading decision xnm, and whether local computing or edge computing is carried out is determined. According to the method, the user privacy is effectively enhanced, the energy ...

Подробнее
19-05-2023 дата публикации

Rapid detection method for calorific value of coal

Номер: CN116136505A
Принадлежит:

The invention provides a method for rapidly detecting the calorific value of coal, which comprises the following steps: S1, selecting a plurality of samples as a fitting set and a verification set respectively, and tabletting the powder of each sample; s2, detecting each sample in the fitting set by using an X-ray fluorescence spectrometer to obtain the contents of C, O and S; measuring the real calorific value Q of each sample at the same time; s3, according to the data in the step S2, fitting a heat generation amount calculation model: Q = b + K1 * C + K2 * (O-S), and b, K1 and K2 are coefficients; s4, detecting each sample in the verification set by using an X-ray fluorescence spectrometer to obtain the contents of C, O and S, and substituting the contents into the calorific value calculation model to obtain a predicted calorific value; and measuring the real calorific value of each sample in the verification set, comparing the predicted calorific value with the corresponding real calorific ...

Подробнее
25-04-2023 дата публикации

Liver trauma simulation impact structure and impactor

Номер: CN116004383A
Принадлежит:

The liver trauma simulation impact structure comprises a base, a driving box is fixedly installed at the bottom of the base, sliding openings are formed in the top of the base, supporting rods are slidably installed in the two sliding openings, a first electric push rod is fixedly installed at the top of the base, and a second electric push rod is fixedly installed at the bottom of the base. A placing seat is fixedly mounted at the top end of the first electric push rod, and a fixing mechanism is arranged at the top of the placing seat. According to the liver trauma simulation impactor and the impact structure, the driving motor is arranged, when impact simulation is carried out, a simulation device is placed between the two fixing mechanisms to be fixed, so that simulation experiments can be conveniently carried out on livers of different sizes, and the driving motor drives the lead screw to rotate; the support rod is driven to move left and right in the sliding opening to adjust the distance ...

Подробнее
22-08-2023 дата публикации

Device and method for detecting air leakage and fire resistance of cavity floor system structure

Номер: CN116626104A
Принадлежит:

The invention relates to the technical field of performance detection of building construction, and discloses a device and a method for detecting air leakage and fire resistance of a cavity floor system structure, based on a floor system test piece with a built-in cavity, the detection device comprises a fire test furnace, a pressure simulation device and an air tightness detection device, according to the invention, the test piece is combusted through the fire test furnace, the cavity in the test piece is used as a smoke exhaust pipeline to simulate airflow detection, and data comparison is carried out by combining air tightness detection before and after combustion of the test piece, so that the fire bearing capacity of the test piece according with reality can be obtained.

Подробнее
02-05-2023 дата публикации

Virtual fence structure for hoisting construction of transformer substation

Номер: CN116044242A
Принадлежит:

The invention discloses a virtual fence structure for transformer substation hoisting construction, and mainly relates to the field of transformer substation hoisting construction. Comprising a plurality of fence rods, a plurality of photoelectric detection sensors are distributed on the tops of the fence rods in an array mode, alarms are arranged on the fence rods, movable rails are arranged on the outer sides of the fence rods, detection bases are movably arranged on the movable rails, rolling wheels are arranged at the bottoms of the detection bases, and steering shafts are rotationally connected to the anchoring rods. The steering shaft is provided with a connecting sleeve capable of being aligned with the adjacent moving track, the top of the detection seat is provided with a connecting block used in cooperation with the connecting sleeve, the detection seat is slidably connected with a cleaning part, the moving track is provided with a through hole, and the cleaning part penetrates ...

Подробнее
02-05-2023 дата публикации

Temporary power utilization distribution box

Номер: CN116053975A
Принадлежит:

The invention discloses a temporary power utilization distribution box which comprises a distribution box body and further comprises a movable box arranged at the upper end of the distribution box body and a base arranged at the bottom of the distribution box body and used for supporting the distribution box body, and a socket used for being connected with a construction machine is arranged in the movable box; the socket is connected with a circuit in the distribution box body through a wire, a mounting plate is arranged in the mobile box, the rear end of the mounting plate is provided with a bundling mechanism for bundling the wire, the mounting plate is provided with a long-strip-shaped hole for the wire to pass through, and the front end and the rear end of the mobile box are provided with opening and closing doors so that the wire can be conveniently connected. When the construction machine is used for construction at different positions, the movable box can be lifted to different positions ...

Подробнее
30-05-2023 дата публикации

High-performance flexible supercapacitor and preparation method thereof

Номер: CN116190115A
Принадлежит:

The invention discloses a preparation method of a high-performance flexible supercapacitor in the field of supercapacitor manufacturing. The preparation method comprises the following steps: step 1, preparing Co3O4; (2) preparing S-Co3O4 through the Co3O4 obtained in the step (1); and step 3, finally assembling the asymmetric supercapacitor. According to the invention, the electrochemical performance of S-Co3O4 is improved by 8.8 times, and the prepared supercapacitor provides the energy density of 0.157 Whcm <-3 > under the power density of 10.87 Whcm <-3 >; the S-Co3O4 electrochemical catalyst material is simple in preparation method, low in cost and high in reproducibility, the material has excellent electrochemical performance, and the prepared supercapacitor has good energy storage performance.

Подробнее
28-07-2023 дата публикации

Potential improper medication detection method in co-disease mode

Номер: CN116504351A
Принадлежит:

The invention discloses a method for detecting potential improper medication in a co-disease mode, which comprises the following steps of: processing original medical record data to obtain a trained machine learning model; the method comprises the following steps: constructing a knowledge graph according to related factors of potential improper medication in a drug standard, and establishing a knowledge graph path reasoning model based on original features; and combining a prediction result of the machine learning model with a reasoning result of the knowledge graph path reasoning model to obtain a detection result of potential improper medication. According to the method, the problem that machine learning is weak in low-frequency potential improper medication prediction capacity is solved, the accuracy and reliability of a prediction result are improved, meanwhile, dependence on sample data is reduced, and therefore the method has high clinical application value.

Подробнее
23-06-2023 дата публикации

Laser Doppler impact test signal demodulation method

Номер: CN116298363A
Принадлежит:

The invention discloses a laser Doppler impact test signal demodulation method, and belongs to the field of impact test signal processing. The implementation method comprises the following steps: performing CEEMD processing on a laser Doppler signal to obtain each IMF component and residual error; setting data outside a preset range of the IMF component to be zero, and adding the processed IMF component and the residual error to obtain a CEEMD processing result; obtaining a judgment threshold according to a peak value of the CEEMD processing result, obtaining a cross-threshold zero point according to the judgment threshold, and calculating a peak point; correcting the Doppler signal according to the peak point, calculating a position average value of zero points, and obtaining positions of an ascending section zero point, a descending section zero point, a positive peak point and a negative peak point; the instantaneous frequency and the corresponding time of the laser Doppler signal are ...

Подробнее
18-07-2023 дата публикации

Loading control device and method for triaxial Hopkinson bar impact test

Номер: CN116448598A
Принадлежит:

The invention discloses a loading control device and method for a triaxial Hopkinson bar impact test, and belongs to the technical field of triaxial impact tests. The device comprises a linear motor, a limiting rod, an end cover, a bullet shooting barrel, an experiment bullet, an air compressor, an air storage tank, a console, a three-axis Hopkinson bar, a buffer gasket and a gasket clamping plate. The device and the method are matched with a three-axis Hopkinson bar for use, and the launching position and the acceleration distance of an experimental bullet can be accurately controlled and adjusted through a limiting mechanism, so that the acceleration peak value is accurately controlled, and the corresponding relation of the driving air pressure, the acceleration distance and the acceleration peak value is obtained through an experiment; the loading control device is matched with rapid resetting of the experiment bullet, automation of continuous multiple impact loading of different acceleration ...

Подробнее
11-04-2023 дата публикации

Method for manufacturing double-sided buried copper plate by filling PP and double-sided buried copper plate

Номер: CN115955771A
Принадлежит:

The invention discloses a method for manufacturing a double-sided buried copper plate by using PP (polypropylene) filling, which comprises the following steps of: cutting a core plate, PP and a release film into a size required by design, and windowing at a position corresponding to a buried copper block on the core plate; a plurality of glue flowing holes are drilled in the periphery of the position, corresponding to the embedded copper block, of the release film; a release film is pasted on one surface of the core plate, and the glue flowing hole is exposed out of the inner edge of the window; a piece of PP is stacked on the outer side of the face, provided with the release film, of the core plate, then the embedded copper block is arranged in the window of the core plate, a plurality of protruding bosses are arranged on the periphery of the embedded copper block, a gap is formed between the embedded copper block and the inner wall of the window, and finally pressing is conducted so that ...

Подробнее