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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

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Мониторинг СМИ

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

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Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 40. Отображено 40.
16-05-2023 дата публикации

Three-dimensional medical image segmentation method and system based on long and short term memory self-attention model

Номер: CN116129107A
Принадлежит:

The invention belongs to the field of image segmentation in medical image processing, and discloses a three-dimensional medical image segmentation method and system based on a long and short term memory self-attention model.The three-dimensional medical image segmentation method can be used for segmenting a target area image in a medical image and comprises the following steps that (1) a training set sample is established; (2) processing a to-be-segmented original three-dimensional medical image to obtain a to-be-segmented sample; (3) constructing and training a three-dimensional medical image segmentation network based on long and short term memory self-attention; and (4) inputting a to-be-segmented sample into the network, and outputting a segmentation result of a target region in the to-be-segmented sample. According to the method, the CNN and the Transform are integrated to obtain a new model for real-time accurate segmentation of the target area (such as a tumor) in the three-dimensional ...

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27-06-2023 дата публикации

Data matching method and device

Номер: CN116340588A
Принадлежит:

The invention provides a data matching method and device. The method comprises the following steps: transmitting an absolute error of a customer ID of a query party and the customer ID of the query party to a data source party; receiving a starting point and a length of a scale of data of an intersection customer determined by the data source party after the intersection customer of the query party and the data source party is determined according to the customer ID of the query party and the customer ID of the data source party; determining the length of the data of the query party according to the starting point of the scale of the data of the intersection customer and the unit length; data matching is performed on the query party and the data source party by comparing the length of the data of the query party with the length of the data of the intersection customer, so that the problems of potential safety hazards and indefinite responsibilities and rights in data matching in related ...

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13-07-2017 дата публикации

DATA PACKET TRANSMISSION CONTROL METHOD AND DEVICE

Номер: WO2017118009A1
Автор: ZHOU, Quan
Принадлежит:

A data packet transmission control method and device. The method comprises: obtaining a current data packet; determining whether the number of tokens in a current token bucket is greater than or equal to the number of overdrawn tokens for transmitting a previous data packet; obtaining tokens from the tokens in the current token bucket to compensate for the overdrawn tokens when it is determined that the number of tokens in the current token bucket is greater than or equal to the number of overdrawn tokens for transmitting the previous data packet; determining whether the number of tokens in the compensated token bucket is greater than or equal to a preset transmission threshold; and allowing the current data packet to obtain tokens from the compensated token bucket for transmission when it is determined that the number of tokens in the compensated token bucket is greater than or equal to the preset transmission threshold.

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02-05-2023 дата публикации

Imino pyridyl Ni (II) and Pd (II) complex as well as preparation method and application thereof

Номер: CN116041401A
Принадлежит:

The invention discloses an imino pyridyl Ni (II) and Pd (II) complex as well as a preparation method and application thereof, and relates to the technical field of organic synthesis. According to the invention, four large-volume imino pyridyl Ni (II) and Pd (II) complexes containing naphthalene or benzothiophene groups are successfully prepared, and the application of the complexes in olefin oligomerization is researched. The prepared nickel-palladium complex generally shows good catalytic activity on ethylene oligomerization reaction, and hyperbranched oligomers with various microstructures are provided.

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12-05-2023 дата публикации

Battery, electric equipment and battery manufacturing method

Номер: CN116111263A
Принадлежит:

The invention provides a battery, electric equipment and a battery manufacturing method. The battery comprises a shell and a battery pack comprising a plurality of battery cells, the shell comprises a first sub-shell and a second sub-shell which are arranged along a first direction, the first sub-shell comprises a first part, the second sub-shell comprises a second part, and the second part is closer to the battery pack relative to the first part along a second direction; the first surface of the first portion and the fourth surface of the second portion form a first joint surface, the first sub-case and the second sub-case are joined by welding and form a first welding area, and the first welding area has a first area farther away from the battery pack than the first joint surface in the second direction as viewed in the third direction. The second area is closer to the battery pack than the first joint surface in the second direction, the average length of the first area in the second ...

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05-05-2023 дата публикации

Non-uniform settlement monitoring device and monitoring method

Номер: CN116067335A
Принадлежит:

The invention provides a differential settlement monitoring device and a monitoring method. The differential settlement monitoring device comprises a monitoring mechanism for monitoring whether differential settlement occurs or not; the direction adjusting mechanism is arranged below the monitoring structure so as to adjust the monitoring direction of the monitoring structure; the supporting mechanism is arranged below the direction adjusting mechanism to support the direction adjusting mechanism; the monitoring mechanism comprises a level gauge, the level gauge is used for monitoring the differential settlement, and a laser pen is arranged over the level gauge and used for conducting auxiliary measurement on the differential settlement; and the protection mechanism is arranged on the direction adjusting mechanism and covers the laser pen and the level gauge to form protection. According to the method, whether differential settlement occurs or not is observed and judged by using a reflective ...

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23-06-2023 дата публикации

Electrochemical device and electronic device

Номер: CN116315322A
Принадлежит:

The invention discloses an electrochemical device and an electronic device. The electrochemical device comprises a shell, a first frame and an electrode assembly. The first frame body and the electrode assembly are accommodated in the shell; the electrode assembly is provided with a first end face and a second end face which are opposite in the first direction, and the first direction is the thickness direction of the electrode assembly; the first frame body comprises a first main body part, a first connecting part, a first bending part, a second connecting part and a second bending part, the first bending part is connected with the first main body part and the first connecting part, and the second bending part is connected with the first main body part and the second connecting part; the first connecting part is connected to the first end face, and the second connecting part is connected to the second end face. And the bending angle alpha 1 of the first bending part is an acute angle.

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31-01-2013 дата публикации

SEQUENCE FOR BLADDER CANCER DIAGNOSIS AND APPLICATION METHOD AND USE THEREOF

Номер: WO2013013368A1
Принадлежит:

Disclosed is a sequence for bladder cancer diagnosis and evaluation and the application method and use thereof. In particular, the invention provides probe sets, primer sets, compositions and microarrays for detecting at least one mutation in gene selected from UTX, CREBBP, EP300, ARID1A, CHD6, MLL, NC0R1 and MLL3. The invention also provides a method for bladder cancer diagnosis by detecting changes in the abovementioned genes, and the application of the probe sets and primer sets in preparing a kit and microarray for detecting bladder cancer.

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30-05-2023 дата публикации

Aluminum frame side hole forming tool

Номер: CN116174578A
Принадлежит:

The invention provides an aluminum frame side hole forming tool. The aluminum frame side hole forming tool comprises a workbench; a punching assembly is connected to one end of the upper end face of the workbench, a discharging frame is fixedly connected to the upper end face of the workbench and located on one side of the punching assembly, a material taking assembly is connected to the upper end face of the workbench and located on the lower portion of the discharging frame, and positioning assemblies are installed on the two sides of the workbench and located on one side of the punching assembly. A first folding assembly is connected to the middle of the lower end face of the workbench, a second folding assembly is installed at the other end of the upper end face of the workbench, and a limiting assembly is installed on the upper end face of the workbench and located on one side of the second folding assembly. The punching assembly comprises a U-shaped door frame. Through mutual cooperation ...

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06-06-2023 дата публикации

Self-healing asphalt mixture based on carbon quantum dots/polypyrrole and preparation method

Номер: CN116217133A
Принадлежит:

The invention belongs to the technical field of road engineering materials, and particularly relates to a carbon quantum dot/polypyrrole-based self-healing asphalt mixture and a preparation method thereof. The self-healing asphalt mixture comprises mineral aggregate (basalt coarse aggregate, steel slag aggregate, basalt fine aggregate and limestone mineral powder), carbon quantum dot/polypyrrole composite modified asphalt (matrix asphalt, SBS and a carbon quantum dot/polypyrrole composite material) and carbon fibers. The preparation method comprises the following steps: weighing raw materials, and heating the carbon quantum dot/polypyrrole composite modified asphalt to a molten state to obtain heated composite modified asphalt; all mineral aggregates are heated; the heated basalt coarse aggregate, the heated basalt fine aggregate and the heated steel slag aggregate are added into a mixing pot to be stirred, then carbon fibers are added for dry mixing, the heated composite modified asphalt ...

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06-06-2023 дата публикации

Block chain access control method based on SM9 attribute-based encryption

Номер: CN116232568A
Принадлежит:

The invention relates to the field of public key encryption systems, and discloses an SM9-based attribute-based encryption block chain access control method, which comprises the steps of block chain networking, IPFS (Internet Protocol File System) startup, access to a public chain node, system initialization, system master key generation, user attribute private key and symmetric key generation, file encryption, symmetric key encryption, symmetric key decryption and file decryption. According to the SM9-based attribute-based encryption block chain access control method, a block chain and an IPFS technology are combined on the basis of an attribute-based encryption scheme, so that user data is not tampered and can be audited, efficient and safe storage and access control of the data are realized, and confidentiality and integrity of system data and high response of system operation are ensured.

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08-08-2023 дата публикации

Coded pulse shift accumulation laser ranging signal detection method and system

Номер: CN116559822A
Принадлежит:

The invention provides a coding pulse shift accumulation laser ranging signal detection method and system, and belongs to the technical field of signal processing, and the method comprises the steps: employing a clock count value and time interval progressive increase method, and controlling a laser to generate a laser coding pulse waveform, and transmitting the laser coding pulse waveform; receiving the laser coding pulse waveform in real time, and sequentially performing photoelectric conversion, transimpedance amplification, pulse shaping filtering and post-amplification processing; sampling the laser coding pulse waveform after the post-stage amplification processing so as to obtain the time difference between the first sub-pulse signal and other sub-pulse signals in each emission period; and moving the other sub-pulse signals in each transmission period to the corresponding first sub-pulse signal according to the corresponding time difference, and then accumulating the sub-pulse signals ...

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09-06-2023 дата публикации

Coating layer thickness detection method based on magnetic induction characteristic of low-frequency magnetic field

Номер: CN116242241A
Принадлежит:

The invention discloses a coating and plating layer thickness detection method based on the magnetic induction characteristic of a low-frequency magnetic field, and the method comprises the steps: firstly constructing a low-frequency magnetic induction thickness measurement device, and employing a low-frequency dynamic magnetic field as an excitation source; on the basis, a standard substrate is established through data dimension reduction and multi-period average, a thickness curve is established, a calibration relation with the standard substrate is established on the basis of a to-be-measured substrate without a plating layer, and finally the calibrated characteristic quantity is obtained through the calibration relation of the obtained characteristic quantity. And the thickness curve is introduced to obtain the thickness of the coating layer of the to-be-measured substrate. A low-frequency dynamic magnetic field is used as an excitation source, the correlation between magnetic induction ...

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06-06-2023 дата публикации

Optical coherence tomography multi-point distributed imaging method

Номер: CN116223374A
Принадлежит:

The invention discloses an optical coherence tomography multi-point distributed imaging method, which comprises the following steps of: dividing a coherent light source into a plurality of sub-optical path interference pairs on a measuring arm and a reference arm, and shifting the reference arm, so that each sub-optical path interference pair is subjected to interference imaging in different depth intervals in a system imaging depth range; and finally, performing truncation and post-processing on each interference pair according to a preset A scanning window position and width to obtain an A scanning image of each corresponding measuring point. Compared with a traditional mechanical scanning method, the method can synchronously collect the cross-sectional images of a plurality of interest points at a high speed, has the advantages of flexible point distribution, in-situ synchronization of detection and the like, and particularly has a good application prospect in high-frequency dynamic ...

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27-07-2016 дата публикации

Unmanned aerial vehicle system of arresting

Номер: CN0205405272U
Принадлежит:

... 本实用新型涉及警用技术领域,尤其涉及种无人机抓捕系统。本实用新型所述种无人抓捕系统,包括无人直升机平台、设置在无人直升机平台内的目标自动跟踪装置、瞄准装置、抓捕装置,以及与无人机抓捕系统相配合的设置在地面的控制终端,所述控制终端与目标自动跟踪装置、瞄准装置、抓捕装置之间通过无线联通;所述控制终端包括操作手柄、航线规划装置和航拍显示装置;所述瞄准装置为三轴自稳定装置,由俯仰框、方位框、横滚框及速率陀螺组成;所述目标自动跟踪装置包括体化球形摄像机、全方位云台和自动跟踪模块。本实用新型具有自动检测跟踪技术及无人抓捕技术,所述无人抓捕系统具有超远距离控制、全自主侦察、识别抓捕精度高的显著优势。 ...

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01-08-2023 дата публикации

Denoising method and system for laser point cloud ranging data

Номер: CN116520288A
Принадлежит:

The invention provides a de-noising method and system for laser point cloud ranging data, and belongs to the technical field of laser data processing, and the method comprises the steps: obtaining an echo time point cloud data set, and carrying out the extraction of echo time points, and obtaining a first echo time point sequence; performing density clustering processing on the first echo time point sequence to eliminate noise echo time points in the first echo time point sequence to obtain a second echo time point sequence; the echo time points in the second echo time point sequence are ranked from small to large according to the time size, and a third echo time point sequence is obtained; and performing sliding processing on the third echo time point sequence to determine a signal echo time point in the second echo time point sequence. According to the invention, noise filtering from the echo time point cloud data set is realized, and the performance of a detection system is improved.

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15-08-2023 дата публикации

Self-service terminal convenient to use and use method thereof

Номер: CN116597574A
Автор: ZHOU QUAN
Принадлежит:

The invention relates to the technical field of intelligent equipment, in particular to a self-service terminal convenient to use and a using method thereof.The self-service terminal convenient to use comprises a main body, a lamp box is fixedly installed at the top of the main body, a camera is fixedly installed below the lamp box, and the camera is fixedly installed on the front side of the main body; a touch display screen is fixedly installed below the camera, a bill printer and an electric card reader are sequentially and fixedly installed below the touch display screen from left to right, and an identity card sensor and an encryption keyboard are sequentially and fixedly installed below the electric card reader from left to right. According to the device, through the arrangement of the bill tearing mechanism, after printed bills enter the U-shaped frame, an operator presses the bill tearing mechanism and pulls the bill pulling mechanism, so that the printed bills are torn from left ...

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27-07-2016 дата публикации

Alert tear -gas shells unmanned aerial vehicle transmitting system that uses

Номер: CN0205396521U
Принадлежит:

... 本实用新型属于警用设备技术领域,具体涉及种警用催泪弹无人机发射系统。所述警用催泪弹无人机发射系统,包括相互无线连接的无人机和地面显示控制台,所述无人机上设有图像拍摄装置、催泪弹发射装置和飞行控制装置,所述图像拍摄装置和催泪弹发射装置分别与飞行控制装置连接,所述飞行控制装置与地面显示控制台无线连接。所述催泪弹发射装置包括发射控制器、发射机和基座,所述发射控制器和发射机相连,所述发射机安装于基座。本实用新型操作简单、转场迅速、安全性高。 ...

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13-04-2021 дата публикации

Disinfection and sterilization box for severe clinical instruments

Номер: CN212940685U
Принадлежит: XU HUAQIANG, 徐化强

The disinfection and sterilization box comprises a sterilization box body, a drawer, a formaldehyde groove, a connecting block, an inlet, a limiting groove, a groove position, a ball valve, a spring, a floating block, a penetration opening, a lantern ring, a connecting pipe, a metering cup, a groove hole, a hole position, a torsion bar, a round block, a water level sensor, a containing block, a CPU processing box and an alarm. The formaldehyde tank with the alarm is simple in structure, the alarm is additionally arranged, so that automatic alarm is facilitated when formaldehyde in the formaldehyde tank is about to be used up, manpower is saved compared with traditional manual observation at any time, and meanwhile the formaldehyde tank is simple in structure and convenient for automatic reminding; meanwhile, the additionally-arranged ball valve automatically closes the top of the limiting groove when a user adds formaldehyde and reaches a designated point, and the formaldehyde cannot flow ...

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11-08-2023 дата публикации

Method for virtualizing pollination behavior between pollination person and plant applied to universe

Номер: CN116578190A
Принадлежит:

The invention provides a method for virtualizing pollination behaviors of pollinators and plants, which is applied to the universe. The method comprises the schemes of constructing a pollinator action interaction simulation system, activating and responding events, performing pollination behavior interaction simulation and the like. In the construction of a pollinator action interaction simulation system, multi-direction interaction control is established, a simulated pollination management mechanism is created, and a series of behaviors of pollinators and free visual angle management of users are completed by using control input; the pollination behavior interactive simulation comprises different behavior stages of a pollinator, and the process is divided into air search, plant contact, nectar acquisition, next flower search, plant contact, nectar transmission (acquisition) and the like. According to the method, a digital twinborn environment is established in the universe, the dependency ...

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27-06-2023 дата публикации

Filtering structure, range hood and range hood and stove all-in-one machine

Номер: CN116336520A
Принадлежит:

The invention provides a filtering structure, a range hood and a range hood and stove all-in-one machine, the filtering structure comprises: a flow channel structure, the flow channel structure comprises an inlet and an outlet which are communicated with each other; the filter element is arranged in the flow channel structure and is positioned between the inlet and the outlet; the at least two flow-around pieces are arranged in the flow channel structure and located between the inlet and the filter element, and the at least two flow-around pieces are distributed in a diffusion shape in the direction from the inlet to the outlet. The at least two streaming pieces are arranged between the inlet and the filter element, and the forms of the at least two streaming pieces are optimized, so that the airflow entering the runner structure is divided into a plurality of small airflows, the impact of the airflow on the filter element is reduced, the vortex generated by the airflow at the position ...

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27-06-2023 дата публикации

In-situ polymerization solid organic-inorganic composite electrolyte, preparation method and sodium ion battery

Номер: CN116344917A
Принадлежит:

The invention relates to an in-situ polymerization solid organic-inorganic composite electrolyte, a preparation method and a sodium ion battery. The in-situ polymerization solid organic-inorganic composite electrolyte is obtained by initiating polymerization of an inorganic solid electrolyte particle coating on a diaphragm and an in-situ polymerization precursor electrolyte at 40-80 DEG C; an inorganic solid electrolyte material for forming the inorganic solid electrolyte particle coating comprises one or more of a fast ion conductor NASICON, Na-beta ''-Al2O3 or Na3PS4; the in-situ polymerization precursor electrolyte comprises a polymerization monomer, a cross-linking agent, a sodium salt, a solvent, an additive and a free radical initiator; wherein the proportion of the solvent is 0 or not 0, and the proportion of the additive is 0 or not 0; and the solid-liquid interface contact angle of the inorganic solid electrolyte particle coating on the diaphragm and the in-situ polymerization ...

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09-05-2023 дата публикации

Batching method and equipment

Номер: CN116078267A
Автор: ZHOU QUAN
Принадлежит:

The invention provides a batching method which comprises the following steps: adding materials into a mixing tank through a first feeding pipe according to a preset proportion, mixing the materials in the mixing tank, and then discharging the mixture in the mixing tank by adopting a first discharging pipe with a discharging hole; when the proportion of materials added into a mixing tank is different from a preset value, the following steps are carried out: S1, a passage between the mixing tank and a discharge port is cut off, the mixing tank is communicated with a buffer tank through a first discharge pipe, and then a mixture in the mixing tank is discharged into the buffer tank through the first discharge pipe; s2, measuring the ratio of the materials in the buffer tank, adding the materials into the buffer tank according to the measured value of the ratio, and changing the ratio of the materials in the buffer tank; s3, discharging the mixture in the buffer tank to the first discharging ...

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16-05-2023 дата публикации

Observation control method for biological digital twin specimen

Номер: CN116129056A
Принадлежит:

The invention provides a biological digital twin specimen observation control method, which comprises a visual content interaction module, a biological digital twin specimen interaction module and a habitat digital twin specimen interaction module, and is characterized in that the visual content interaction module comprises an imaging system and a visual field control system; the biological digital twin specimen interaction module comprises biological specimen labeling, biological specimen component fitting and biological posture simulation; the habitat digital twinborn specimen interaction module comprises habitat hierarchical design, dynamic resolution of habitat digital specimens and interaction interface design, and the observation and control method can be used for reconstructing rare animal and plant specimens in a virtual environment by applying a virtual simulation technology and providing convenient and rapid browsing and consulting functions; according to the invention, the special ...

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27-06-2023 дата публикации

Separator, range hood and range hood and stove all-in-one machine

Номер: CN116336519A
Принадлежит:

The invention provides a separator, a range hood and a range hood and stove all-in-one machine. The separator comprises a top wall; the first side wall is connected to the first side of the top wall and is obliquely arranged relative to the top wall; the second side wall is connected to the second side of the top wall and is obliquely arranged relative to the top wall, and the first side is opposite to the second side; the separation holes are at least formed in the first side wall and the second side wall; and the distance between the first side wall and the second side wall is gradually increased from the top of the separator to the bottom of the separator. According to the separator provided by the invention, the first side wall and the second side wall are obliquely arranged, so that the inclined first side wall and the second side wall can increase the contact area with airflow, vortexes generated by the airflow can be effectively reduced, even the vortexes generated by the airflow ...

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27-07-2016 дата публикации

Unmanned aerial vehicle system based on internet remote control

Номер: CN0205405137U
Принадлежит:

... 本实用新型属于无人机控制技术领域,具体涉及种基于互联网远程控制的无人机系统。所述系统包括无人机、地面信号转换传输设备和远程控制端,所述无人机和地面信号转换传输设备无线连接,所述地面信号转换传输设备和远程控制端为有线连接或无线连接;所述无人机上设有主控模块,以及分别与主控模块连接的电子识别模块、定位模块和第通讯模块;所述远程控制端设有控制板,以及分别与控制板连接的存储单元、处理单元、第二通讯模块和人机交互模块。本实用新型充分利用了互联网技术,实现了远距离控制,不受地域限制,设计紧凑,智能高效,能够对无人机进行实时监控和控制。 ...

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23-05-2023 дата публикации

Position privacy protection method based on collaborative service

Номер: CN116156489A
Принадлежит:

The invention relates to the technical field of software communication, and discloses a position privacy protection method based on collaborative service, which comprises the following steps: S1, system initialization: a TA generates a system public key PK, a system private key MSK, a tracking key TK and a system parameter params; s2, user registration: the RUi, the CUj, the RSU and the LSP respectively register to the TA to generate respective public and private key pairs; s3, service query: the RUi generates a location service query SQi and sends the SQi to the LSP through the RSU; according to the position privacy protection method based on the collaborative service, the position service can be provided for the user on the premise that the safety coefficient is higher, and the following three purposes are achieved. The method comprises the following steps: firstly, constructing a security index for a user by using a Bloom filter so as to provide a secure location service; according to ...

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28-04-2023 дата публикации

System upgrading method and electronic equipment

Номер: CN116028083A
Автор: ZHOU XIAOMING, ZHOU QUAN
Принадлежит:

The embodiment of the invention discloses a system upgrading method and electronic equipment, relates to the technical field of electronic equipment, and aims to enable the electronic equipment to sense whether a user is satisfied with an upgraded system or not and improve the use experience of the electronic equipment. According to the specific scheme, a controller is configured to obtain system upgrading information, the system upgrading information is used for upgrading a current system of the electronic equipment, and the upgrading information comprises first system data; based on the first system data, upgrading the current system to obtain an upgraded system; the input interface is configured to obtain feedback information of a user on the upgraded system; the feedback information is used for indicating the satisfaction degree of the user to the upgraded system; the controller is further configured to upgrade the upgraded system according to the second system data under the condition ...

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06-06-2023 дата публикации

Battery, electric equipment and glue pouring method

Номер: CN116231186A
Принадлежит:

The invention discloses a battery, electric equipment and a glue pouring method.The battery comprises a shell, a battery cell assembly, a first circuit board, a first structural part, a second structural part and a first bonding substance, the battery cell assembly, the first circuit board and the first structural part are arranged in the first direction, and the second structural part is bonded with the first structural part and the battery cell assembly; the second structural member, the first structural member and the cell body are connected to form a first area, and the first circuit board is accommodated in the first area. The first region is at least partially filled with the first bonding substance, and the first bonding substance is connected with the first circuit board, the first structural member, the second structural member and the battery cell body, so that the shock resistance of the battery is improved.

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04-04-2023 дата публикации

Mixed type sodium ion battery positive electrode material, preparation method and application

Номер: CN115911293A
Принадлежит:

The invention relates to a mixed sodium ion battery positive electrode material, a preparation method and application. The mixed sodium ion battery positive electrode comprises an oxide positive electrode material with the content of 1-x and an NASICON type Mn-based positive electrode material with the content of x, wherein the chemical general formula of the NASICON type Mn-based positive electrode material is NamMnnMp (PO4) j, and x is the input ratio, 0.01 lt, of the NASICON type Mn-based positive electrode material; xlt; 0.95%, 0.95%; m in the chemical general formula is an element of a transition metal position of the Mn-based NASICON type positive electrode material and comprises one or more of Al < 3 + >, Zr < 4 + >, Cr < 3 + >, V < 3 + > and Ti < 4 + >; 3lt; mlt; mlt; 4.5, 0.1 lt; nlt; 2, 0lt; plt; 1.9, 2lt; jlt; and 3.5. The NASICON type positive electrode material has high ionic conductivity, long cycle life and good interface compatibility, and after the NASICON type positive ...

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09-05-2023 дата публикации

Bridge crack identification method and system based on unmanned aerial vehicle large-scale scene image

Номер: CN116091582A
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The invention relates to the technical field of civil engineering computer vision, in particular to a bridge crack identification method and system based on an unmanned aerial vehicle large-scale scene image. The bridge crack identification method based on the large-scale scene image of the unmanned aerial vehicle comprises the following steps: carrying out image acquisition on a bridge to obtain the large-scale scene image; obtaining a crack high-noise data set according to the large-scene image and a preset classification model; training the single-stage deep learning network model according to the crack high-noise data set to obtain a component crack identification model; inputting a to-be-identified bridge picture into the component crack identification model for calculation to obtain a maximum crack width value; and inputting the maximum crack width value into a display for displaying. The crack feature identification method for the concrete structure bridge combines an unmanned aerial ...

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16-05-2023 дата публикации

Battery assembly and electric equipment

Номер: CN116134664A
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The battery assembly comprises a shell, a battery cell assembly and a first component, the battery cell assembly is arranged in the shell, the battery cell assembly comprises a plurality of battery cells stacked in the first direction, each battery cell comprises a shell, an electrode assembly and an electrode terminal, the first component is arranged in the shell, and the first component is arranged in the shell. The shell comprises a first part used for containing the electrode assembly and a second part formed by extending from the periphery of the first part, the electrode terminal is connected to the electrode assembly and extends out of the first part from the second part, the first component comprises an insulating material, and the insulating material is arranged along the first direction. The first components are arranged between the second parts of the adjacent battery cells, so that the first components abut against the first parts of the shells of the battery cells, when the ...

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29-08-2023 дата публикации

3D medical image segmentation model establishment method based on mask modeling and application thereof

Номер: CN116664588A
Автор: ZHANG XUMING, ZHOU QUAN
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The invention discloses a 3D medical image segmentation model establishment method based on mask modeling and application thereof, and belongs to the field of medical image segmentation, and the method comprises the steps: establishing a semi-supervised learning network, a student network comprising a coding module used for extracting potential features and a segmentation decoder used for predicting a segmentation result, the teacher network comprises a coding module and a segmentation decoder which are consistent with the student network in structure; training the semi-supervised learning network, during training, performing random mask operation on each image twice, inputting the images into the two networks, optimizing and updating the weight of the student network according to a training loss function, and migrating the student network to the teacher network; the training loss function comprises prototype characterization loss which is used for characterizing the difference between ...

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30-05-2023 дата публикации

Ultrathin wearing layer based on basalt fine aggregate and high-toughness asphalt and preparation method thereof

Номер: CN116177925A
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The invention relates to the technical field of road engineering materials, in particular to an ultra-thin wearing layer based on basalt fine aggregate and high-toughness asphalt and a preparation method of the ultra-thin wearing layer. The ultra-thin wearing layer is prepared from the following raw materials in parts by weight: 100 parts of mineral aggregate, 5.5 to 6.5 parts of high-toughness asphalt and 0.3 to 0.6 part of cellulose; the high-toughness asphalt comprises the following raw materials: matrix asphalt, SBS, rubber powder, natural asphalt and a solubilizer, the cellulose comprises sepiolite fiber, polypropylene fiber and basalt fiber. The mineral aggregate adopted by the invention contains the basalt fine aggregate, so that the utilization rate of basalt resources can be increased, and the production cost is effectively reduced; the mixture of the sepiolite fiber, the polypropylene fiber and the basalt fiber is used as the stabilizer, and the natural asphalt is used for modifying ...

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25-07-2023 дата публикации

Multifunctional transport vehicle capable of being rapidly unfolded for initial combat of fire rescue station

Номер: CN116474302A
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The invention discloses a multifunctional transport vehicle capable of being rapidly unfolded for initial war of a fire rescue station, and relates to the technical field of transport vehicles. The water hose winding device comprises a first concentric-square-shaped plate, a second concentric-square-shaped plate located on the upper side of the first concentric-square-shaped plate and a first containing plate located on the upper side of the first concentric-square-shaped plate, a rotating rod is rotationally matched with the interior of the first containing plate, a rotating disc is arranged at one end of the rotating rod, and a water hose can be conveniently wound through the rotating disc; the upper sides of the two ends of the second concentric-square-shaped plate are provided with two first containing columns and two second containing columns correspondingly, and one ends of the first containing columns are in sliding fit with first grips. According to the multifunctional transport ...

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09-04-2021 дата публикации

Horn

Номер: CN212936197U
Автор: ZHOU QUAN, 周权

The utility model relates to a loudspeaker. The loudspeaker comprises a T-shaped supporting block; the basin frame is arranged above the T-shaped supporting block and is fixedly connected with the T-shaped supporting block, and the top end of the basin frame is sealed through drum paper; the voice coil is arranged in an inner cavity of the cone frame and is respectively connected with the T-shaped supporting block and the cone paper; the centering support sheet is arranged in an inner cavity of the basin stand and is respectively and fixedly connected with the basin stand and the voice coil; the magnet cover is arranged in an inner cavity of the voice coil and is fixedly connected with the T-shaped supporting block; wherein the first magnet is arranged above the first upper end face of the T-shaped supporting block and fixedly connected with the T-shaped supporting block, and the second magnet is arranged above the second upper end face of the T-shaped supporting block, located in an inner ...

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18-04-2023 дата публикации

Building group earthquake falling object scene mixed reality display method and device

Номер: CN115983139A
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The invention provides a building group earthquake falling object scene mixed reality display method and device, and the method comprises the steps: achieving the recognition and positioning of a building facade material based on a generative adversarial network in combination with a building image of an urban three-dimensional boundary model; performing mimicry grid partition modeling based on a building facade material; solving the structural dynamic response of the building on each time step length based on a structural dynamics equation, and judging the generation of an earthquake falling object; taking the three-dimensional boundary model as a collision boundary, integrating rigid mechanical characteristics and dynamic characteristics of a falling object, and constructing a large-scale building group earthquake falling object scene; the simulation efficiency of the falling object motion process is improved through falling object clustering and merging calculation; and a simulation ...

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09-05-2023 дата публикации

Battery pack, battery pack and electric device

Номер: CN116097509A
Автор: ZHOU QUAN, WU MINGJIE, MO SHENG
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A battery pack comprises a shell, a first battery cell assembly, a second battery cell assembly and a first conductive piece. The shell comprises a first shell and a mounting bracket; the first battery cell assembly and the second battery cell assembly are arranged in the first shell and respectively comprise a plurality of first battery cells and second battery cells, the first positive tabs and the first negative tabs between the adjacent first battery cells are connected in a laminated manner, and the second positive tabs and the second negative tabs between the adjacent second battery cells are connected in a laminated manner. A first through hole and a second through hole are formed in the mounting bracket, the first positive lug and the first negative lug of the adjacent first battery cell extend out of the first through hole and are connected, and the second positive lug and the second negative lug of the adjacent second battery cell extend out of the second through hole and are ...

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08-08-2023 дата публикации

Battery pack and electric device

Номер: CN116569405A
Автор: ZHOU QUAN, WU MINGJIE
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A battery pack includes a cell assembly and a plurality of first conductive members. The battery cell assembly comprises a first battery cell assembly and a second battery cell assembly which are connected in parallel. The first battery cell assembly comprises a plurality of stacked first battery cells; the first battery cell comprises a first positive tab and a first negative tab; and the first positive tabs and the first negative tabs of the adjacent first battery cells are connected. The second battery cell assembly comprises a plurality of stacked second battery cells; and the second battery cell comprises a second positive tab and a second negative tab. And the second positive tabs and the second negative tabs of the adjacent second battery cells are connected. The first conductive piece comprises a first welding part and a second welding part, the first welding part is welded to the first positive tab and the first negative tab which are connected with each other, and the second welding ...

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09-05-2023 дата публикации

Noise control method and device during idle heat removal of hybrid power engine

Номер: CN116080632A
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The invention discloses a noise control method and device during idle heat removal of a hybrid power engine. The noise control method comprises the steps that a vehicle control unit controls an engine controller according to the torque state of a generator; the engine controller responds to the instruction request of the vehicle control unit and controls the generator to enter a rotating speed control mode; the dual-motor controller controls the generator to enter a power generation state according to the charge state value in the rotating speed control mode; the whole vehicle controller eliminates gear knocking noise by circularly controlling the power generation state and the rotating speed control mode of the engine. According to the noise control method and the vehicle, hardware does not need to be changed or added, the working state of the engine can be automatically adjusted according to the positive and negative change of torsion of the generator P1 and the state set by a program ...

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