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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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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 116. Отображено 100.
18-07-2023 дата публикации

Potassium ion battery positive electrode additive and preparation method and application thereof

Номер: CN116454283A
Автор: ZHANG HAN, QI SHIBO, LIU XIANGZHE, WU WEN, GAO QIMING, TU CAO, WANG KAI, YU SHENG, LI CHONG
Принадлежит:

The invention provides a potassium ion battery positive electrode additive and a preparation method and application thereof, the potassium ion battery positive electrode additive at least comprises potassium hexafluoroaluminate, and the potassium hexafluoroaluminate has a carbon-coated structure. According to the potassium ion battery positive electrode additive as well as the preparation method and the application thereof, the coulombic efficiency of the first cycle of the potassium ion battery can be made up, and the cycle stability of the potassium ion battery is improved.

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Номер записи: 1
03-07-2014 дата публикации

METHOD AND BASE STATION FOR SHARING FREQUENCY SPECTRUM RESOURCE

Номер: WO2014101482A1
Автор: LI, Xia, HU, Ning, SHI, Xiaoyan, ZHANG, Han, REN, Xiaofeng, ZHANG, Liwen, YANG, Liping, ZHANG, Jing
Принадлежит:

The present invention provides a method and an apparatus for sharing a frequency spectrum resource. The method comprises: a first-standard base station obtaining time frequency information and power of each second-standard channel that has interference on the first-standard base station; if no frequency point in a shared frequency spectrum is occupied by the second-standard channel within a transmission time interval, the first-standard base station using the shared frequency spectrum for uplink and downlink data channel scheduling within the transmission time interval; otherwise, when an SINR of the frequency point is greater than a first threshold value, the first-standard base station using the shared frequency spectrum for uplink and downlink data channel scheduling within the transmission time interval, and determining, according to the SINR of the frequency point, an order of an MCS used when the first-standard base station performs uplink and downlink data channel scheduling.

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Номер записи: 2
18-07-2023 дата публикации

Extraction method, device and equipment of ballistocardiogram signal and storage medium

Номер: CN116439690A
Автор: ZHANG HAN, BAO ANDONG, FENG SHEN, LIN GUANYANG, LIN XIYING
Принадлежит:

The invention relates to the technical field of signal processing, in particular to a ballistocardiogram signal extraction method, device and equipment and a storage medium. Empty bed detection, body movement detection, positioning detection and waveform integrity detection are carried out on a plurality of ballistocardiogram unit signals of a ballistocardiogram signal to be detected; according to the method, objective factors influencing the quality of the ballistocardiogram unit signal are fully considered, the multi-dimensional features of the ballistocardiogram unit signal can be analyzed, and the extraction precision of the ballistocardiogram unit signal in a complex application scene is improved.

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Номер записи: 3
02-06-2023 дата публикации

Temperature control circuit for semiconductor cooler

Номер: CN116204016A
Автор: YU ZHIWEI, SHEN HUIPING, LUO ZHENZHONG, FU CONG, ZHANG HAN, ZHANG CHENGGANG, TANG HUAIWU
Принадлежит:

The invention belongs to the technical field of temperature control circuits, and particularly relates to a temperature control circuit for a semiconductor refrigerator. The temperature control circuit for the semiconductor cooler comprises a logic control circuit, a voltage regulation circuit and a current limiting output circuit, the logic control circuit, the voltage regulation circuit and the current-limiting output circuit are electrically connected in sequence; the logic control circuit is used for temperature switching; the voltage adjusting circuit is used for adjusting the output voltage; and the current limiting output circuit is used for realizing current limiting on the temperature control circuit. The method has the advantages that the TEC circuit can be kept in a steady state, the TEC can work in a low-power state, and the signal-to-noise ratio of a detector can be improved.

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Номер записи: 4
23-06-2023 дата публикации

ZIF-67 modified NiFe-LDH wave-absorbing material, preparation method and application

Номер: CN116282221A
Автор: DENG ZHOUHU, CHEN BINGQIAN, YAN JUNFENG, WANG QIJIE, ZHAO WU, YUN JIANGNI, ZHANG HAN, ZHAI CHUNXUE, CHEN CHENG, ZHANG ZHIYONG, ZHAO YU, LI PIBO
Принадлежит:

The invention discloses a ZIF-67 modified NiFe-LDH wave-absorbing material as well as a preparation method and application thereof. The ZIF-67 modified NiFe-LDH wave-absorbing material comprises flower-shaped NiFe-LDH with lamellas, and ZIF-67 polyhedrons are embedded between the lamellas of the flower-shaped NiFe-LDH; in the flower-shaped NiFe-LDH, the molar ratio of a Ni source compound to a Fe source compound is (9-1): 1; the mass ratio of the ZIF-67 to the NiFe-LDH is 2: (3-5). The optimal reflection loss of the composite material to electromagnetic waves at the frequency of 5.43 GHz reaches-77.97 dB; the optimal bandwidth is 6.42 GHz (11.58 to 18 GHz), and the matching thickness is only 2.02 mm. The wave-absorbing material prepared by the method disclosed by the invention is relatively wide in bandwidth, high in reflection loss, simple in preparation process, low in cost and suitable for batch production.

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Номер записи: 5
07-04-2023 дата публикации

High and low temperature lens transfer function and window transmittance test optical system

Номер: CN115931309A
Автор: ZHU GUANGLIANG, XIONG TAO, XIAO HENGBING, LI BIAO, ZHANG HAN, ZHANG JUN
Принадлежит:

The invention discloses a high and low temperature lens transfer function and window transmittance test optical system, and relates to the field of transfer function and transmittance measurement optical systems, a tested lens is placed in an incubator to realize optical transfer function test in a temperature range of-40 DEG C to + 70 DEG C. A visible light image analyzer adopts a wide spectrum flat field apochromatic microscope, and the visible light image analyzer adopts a wide spectrum flat field apochromatic microscope. The infrared image analyzer adopts a secondary imaging infrared relay lens; a visible light and infrared image analyzer optical system outside an exit window of the high and low temperature box is replaced by a visible light integrating sphere and a visible light relay optical system or an infrared integrating sphere and an infrared image analyzer optical system, so that high and low temperature transmittance measurement of the measured window within the temperature ...

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Номер записи: 6
23-06-2023 дата публикации

Basalt fiber tensile test equipment and method

Номер: CN116296780A
Автор: ZENG SHUYI, XIA DINGGUO, LI HONGMEI, DENG YAXIN, LI YUAN, ZHANG HAN
Принадлежит:

The invention relates to the technical field of tensile tests, and discloses basalt fiber tensile test equipment and method.The basalt fiber tensile test equipment comprises a base and two hydraulic lifting arms installed on the base, a connecting beam is installed at the top ends of the two hydraulic lifting arms, and a cross beam used for lifting is installed between the two hydraulic lifting arms; and a plurality of groups of clamps for clamping basalt fiber cloth are mounted at the top end of the base and the bottom end of the cross beam. According to the equipment, the two ends of basalt fiber cloth are wound on the roller bodies of the two clamps respectively, and when the two clamps stretch the basalt fiber cloth, the two ends of the basalt fiber cloth generate strong friction force with the two roller bodies respectively, so that the two ends of the basalt fiber cloth are fixed; in this way, a clamping mode is replaced to clamp the two ends of the basalt fiber cloth, and the situation ...

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Номер записи: 7
24-11-2016 дата публикации

VITAL SIGN MONITORING SYSTEM

Номер: WO2016184168A1
Автор: PANG, Zhiqiang, ZHANG, Han, CUI, Caimei, LIU, Yong
Принадлежит:

A vital sign monitoring system, comprising several client data collection apparatuses (10), several wireless routers (21), a data transmission module (22) and a monitoring centre (30) arranged at a server end (3). Each client data collection apparatus (10) comprises a vital sign signal collection module (11), an A/D conversion module (12) and a wireless WIFI module (13), wherein the vital sign signal collection module (11) is used to collect an original vital sign signal and send same to the A/D conversion module (12); the A/D conversion module (12) converts the original vital sign signal, as an analogue signal, of a user into a digital signal and sends the converted digital signal to the wireless WIFI module (13); and the wireless WIFI module (13) transmits the digital signal to the data transmission module (22) via the wireless router (21), so as to send same to the monitoring centre (30) arranged at the server end (3) via the data transmission module (22). The monitoring centre (30) ...

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Номер записи: 8
29-08-2023 дата публикации

Sleep stage prediction method, device and equipment based on physiological signals

Номер: CN116649919A
Автор: ZHANG HAN, GAO JIANING, ZENG QIZHENG
Принадлежит:

The invention relates to the technical field of signal processing, in particular to a sleep staging prediction method, device and equipment based on physiological signals, various signals can be obtained without attaching a large number of sensors to the head, the chest and other positions of a human body, and only the physiological signals of a user need to be detected. A heart impact signal and a respiration signal are separated from the physiological signal, a cardio-pulmonary coordination sequence and a body movement artifact detection sequence of the user are constructed based on the heart impact signal and the respiration signal, a decision fusion sequence is constructed based on the cardio-pulmonary coordination sequence and the body movement artifact detection sequence, and a stage prediction module is used for performing stage prediction according to the decision fusion sequence and the stage prediction sequence. The detection mode is convenient and fast, expert evaluation is not ...

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Номер записи: 9
21-07-2023 дата публикации

Negative pressure dust removal system for blast furnace ironmaking

Номер: CN116463466A
Автор: ZHOU CHUNHUI, FENG ZHIYAN, WANG YAHUI, PAN ZHEZHE, WANG MENG, TIAN YI, MA YUSHENG, ZHANG HAN, WANG XIAONAN, DONG CHENGJIE, LIU ZHANQI, HAN XUGUANG, TIAN YANSHENG
Принадлежит:

The invention belongs to the field of blast furnace ironmaking dust removal, and particularly relates to a negative pressure dust removal system for blast furnace ironmaking, which comprises a discharging car head dust remover, a dust removal assembly and a warning assembly, the dust removal assembly comprises a vehicle-mounted suspension type dust remover, a dust suppression check curtain, a self-closing type material receiving hopper and a bin top negative pressure dust removal system, the dust suppression check curtain is installed on a dust remover at the head of a discharging car, the self-closing type receiving hopper is installed on a vehicle-mounted suspension type dust remover and comprises a self-drooping sealing plate and a microcrystal cast stone plate, the self-drooping sealing plate and the microcrystal cast stone plate are used in cooperation, and the warning assembly is arranged on a bin top negative pressure dust removal system. The warning assembly comprises an exhaust ...

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Номер записи: 10
31-05-2019 дата публикации

WIRELESS COMMUNICATION METHOD AND DEVICE

Номер: WO2019100365A1
Автор: SHEN, Siduo, WANG, Chengyi, ZHANG, Han
Принадлежит:

The present application provides a wireless communication method, by which interference of a cross link can be obtained by properly using a network resource, and there is no conflict with data transmission when the interference of the cross link is obtained. The method is applied in a time division duplex system, and multiple network devices in the system dynamically allocate a bandwidth as an uplink resource or a downlink resource respectively. The method comprises: determining that a first network device has no data transmission in a first time period; measuring a signal intensity in a system bandwidth in the first time period; and determining, according to the measured signal strength, an interference degree generated when another network device in a system sends a wireless signal.

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Номер записи: 11
02-06-2023 дата публикации

Portable detection hydrogen guide device and use method thereof

Номер: CN116203089A
Автор: CAI WANG, YANG XIN, DING YONG, HONG BING, AN BIN, JI GUANGQUAN, SUN ZIZHI, ZHANG XUMENG, WANG HUI, TAO QIAN, FENG MINLI, ZHANG HAN
Принадлежит:

The invention relates to the technical field of power plant water treatment, in particular to a portable detection hydrogen conduction device and a use method.The portable detection hydrogen conduction device comprises a first cation exchange column, a second cation exchange column, a water inlet pipe, a flow cell, an electrode tip, a conductivity transmitter, an image acquisition device, a first early warning device, a second early warning device and a control module. The axes of the first cation exchange column and the second cation exchange column are vertically arranged, and the top surfaces are communicated through a pipeline. The water inlet pipe is sequentially communicated with the first cation exchange column, the second cation exchange column, the flow cell and the water outlet pipe, and the flow cell is also connected with an overflow pipe. The electrode tip is arranged in the flow cell, is electrically connected with the conductivity transmitter and is used for testing the hydrogen ...

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Номер записи: 12
11-08-2023 дата публикации

Blood pressure prediction method and device, storage medium and computer equipment

Номер: CN116570255A
Автор: ZHANG HAN, JIANG YIFEI, YU BAOXIAN
Принадлежит:

The invention provides a blood pressure prediction method and device, a storage medium and computer device.The method comprises the steps that an electrocardiosignal sample, a pulse wave signal sample and a blood pressure data sample are obtained; respectively acquiring a first electrocardiosignal sample feature set and a first pulse wave signal sample feature set associated with the blood pressure data sample from the electrocardiosignal sample and the pulse wave signal sample; performing feature screening on the first electrocardiosignal sample feature set and the first pulse wave signal sample feature set to obtain a second electrocardiosignal sample feature set and a second pulse wave signal sample feature set; training the initial neural network model according to the second electrocardiosignal sample feature set, the second pulse wave signal sample feature set and the blood pressure data sample to obtain a blood pressure prediction model; and inputting the real-time electrocardiosignal ...

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Номер записи: 13
29-08-2023 дата публикации

Whole-network allocation management system and method for warehouse of power enterprise

Номер: CN116664046A
Автор: ZHAO YUANYUAN, LIN TONG, ZHOU HONGXI, GU XIAOSHUANG, LIANG YANGYANG, HUANG JUNHUA, ZHENG QIWEI, ZHANG HAN, XIE PENGFEI, CHEN ZHUO, HE YUNRUI, DANG YIJIE, BAI SHUO, LI RAN, WANG YINGXU, ZHANG XINYAO, HU WEI
Принадлежит:

The invention discloses a power enterprise warehouse whole-network allocation management system and method, and the system comprises a warehouse information management module which is used for determining the layout condition of a whole-network warehouse, and carrying out the hierarchical processing of the warehouse according to an allocation distance; the spare part inventory prediction module is used for acquiring spare part data information in the corresponding warehouse and determining a current spare part configuration scheme according to the spare part data information; the spare part allocation management system is used for acquiring a spare part allocation strategy and determining an optimal allocation strategy through the spare part configuration scheme; the spare part monitoring module is used for recording the condition of warehouse spare parts in real time through video management; the spare part order tracking and query module is used for recording the allocation condition ...

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Номер записи: 14
03-02-2011 дата публикации

APPARATUS FOR EMISSION REDUCTION TESTING OF CARBON DIOXIDE AND WASTE WATER AND PREPARATION OF BIODIESEL, AS WELL AS METHOD THEREOF

Номер: WO2011011970A1
Автор: ZHANG, Han, WANG, Mingli, HUI, Long, LU, Yanxing, CHEN, Wei, ZHU, Zhenqi
Принадлежит:

Provided is an apparatus for emission reduction testing of carbon dioxide and waste water and preparation of biodiesel, as well as method thereof. The apparatus comprises: a vehicle body; a supplying chamber providing waste gas, waste water and microalgae seed; a microalgae organism photosynthetic reaction chamber; and a microalgae bioenergy extracting chamber, which comprises microalgae growth process detection devices and devices for the extraction of microalgae bioenergy.

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Номер записи: 15
01-10-2015 дата публикации

LINK ADAPTIVE ADJUSTMENT METHOD AND APPARATUS

Номер: WO2015143672A1
Автор: ZHU, Wei, PENG, Bingguang, ZHANG, Han
Принадлежит:

Embodiments of the present invention provide a link adaptive adjustment method and apparatus. The link adaptive adjustment method comprises: first, classifying multiple subframes in a link into M subframe sets, each of the M subframe sets comprising at least one subframe; separately setting an adaptive adjustment control parameter and a target expectation of the control parameter for each of the M subframe sets; and then, performing link adaptive adjustment on each of the M subframe sets, so that the control parameter corresponding to each of the adjusted subframe sets meets the target expectation of the control parameter. The embodiments of the present invention can effectively improve system performance while the control capability of a link adaptation technology is improved.

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Номер записи: 16
23-06-2023 дата публикации

Method for measuring dye uptake of mixed dye

Номер: CN116297242A
Автор: LIU WEI, ZHANG HAN, JIN PINGYAN, WEN WEILIANG, XIAO ZHIMING
Принадлежит:

The invention relates to a method for measuring the dye uptake of a mixed dye, which comprises the following steps of: independently acquiring spectral data of different concentrations of each dye in the mixed dye, and finding the optimal wavelength of each dye and the optimal wavelengths of a pre-dyeing standard solution and a post-dyeing standard solution by applying a variance filtering method in feature selection; calculating the dye-uptake of the mixed dye and the dye-uptake of each dye by applying an absolute dye-uptake and relative dye-uptake formula; according to the method, the optimal wavelength of each dye and the optimal wavelength of the mixed dye are efficiently identified by applying a variance filtering algorithm in feature engineering, so that the dye-uptake of a single dye can be efficiently measured, and the dye-uptake of the mixed dye can be efficiently measured; the relative dye uptake and the absolute dye uptake are used for monitoring changes in the dyeing process ...

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Номер записи: 17
23-05-2023 дата публикации

Sample vat and following vat cloth dyeing dye gram weight and similarity calculation method

Номер: CN116148127A
Автор: JIN PINGYAN, ZHANG HAN, LIU WEI, WEN WEILIANG, XIAO ZHIMING
Принадлежит:

The invention relates to a method for calculating gram weight and similarity of dye for dyeing cloth in a sample vat and a following vat, which comprises the following steps of: independently acquiring spectral data of different concentrations of each dye in mixed dye, and finding the optimal wavelength of each dye by applying a variance filtering method in feature selection; the method for calculating the gram weight of each dye in a cylinder is constructed by knowing the gram weight of each dye in a standard solution before dyeing of a sample cylinder, the weight of water and a spectral value corresponding to the optimal wavelength, the gram weight of each dye on dyed cloth in the cylinder is obtained according to the gram weight difference of each dye before dyeing and after dyeing in the cylinder, and finally, the similarity method of each dye on the dyed cloth in the sample cylinder and the dyed cloth in the following cylinder is constructed. The method not only can efficiently measure ...

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Номер записи: 18
20-06-2023 дата публикации

Casting blank machining, positioning and aligning device

Номер: CN116265179A
Автор: HE XUELI, WANG QIANGJIAN, WANG JING, ZHANG JUYA, ZHOU HUAILI, FENG JINGHUA, LIU HONG, YUE JU, ZHANG HAN
Принадлежит:

The invention discloses a casting blank machining, positioning and aligning device which comprises a positioning base, a part machining hole and an adjusting stop block hole which penetrate through the positioning base are formed in the positioning base, the center line of the part machining hole is perpendicular to the center line of the adjusting stop block hole, and an adjusting stop block is inserted into the adjusting stop block hole. The to-be-machined casting blank is driven to rotate in a machined part hole by rotating the adjusting check block, and the inclined angle of the adjusting check block in the horizontal direction is the same as the included angle between the connecting line of the two sides of a thin-wall rib of the to-be-machined casting blank and the horizontal plane; the arc formed by the adjusting check block and the machining part hole is just matched with the arc of the thin-wall rib of the to-be-machined casting blank, so that the position of the thin-wall rib ...

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Номер записи: 19
13-07-2016 дата публикации

RFID intelligence scanning passageway

Номер: CN0205384621U
Автор: DENG CHENYI, ZHANG HAN
Принадлежит:

... 本实用新型涉及种RFID智能扫描通道。主要解决了现有的RFID扫描通道不够自动化的问题，所述RFID智能扫描通道包括通道箱体、传送装置、屏蔽装置、RFID读写器、天线以及智能控制系统，所述传送装置包括传送线，所述传送线穿过通道箱体，所述RFID读写器位于通道箱体内侧壁且与天线连接，所述通道箱体与传送线形成个两端开口四周密封的空间，还包括探测物体的探测装置，所述探测装置包括设置于通道箱体前后方处的第探测装置和设置于通道箱体进、出口处内侧壁的第二探测装置，所述探测装置和传送装置与智能控制系统连接，所述天线设置于通道箱体内侧壁上，还包括报警装置。该通道结构简单合理，自动化程度高。 ...

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Номер записи: 20
03-02-2011 дата публикации

DEVICE AND SYSTEM FOR CLEANING PLATE TYPE VESSEL

Номер: WO2011011977A1
Автор: ZHANG, Han, WANG, Yao, LU, Yanxing, HUI, Long, ZHU, Zhenqi
Принадлежит:

A device for cleaning a plate type vessel is provided. It includes a cleaning unit (12), a first operating unit and a second operating unit. The first operating unit moves the cleaning unit along the length direction (Y) of the plate type vessel (2), which executes the horizontal cleaning operation on the inner surfaces of the lateral walls of the plate type vessel along the length direction. While executing the horizontal cleaning operation, the second operating unit drives the cleaning unit to execute the vertical cleaning operation on the inner surfaces of the lateral walls of the plate type vessel. A system for cleaning a plate type vessel is also provided. Multiple said devices for cleaning the plate type vessel are connected together by joint levers (3). The system enables cleaning multiple plate type vessels simultaneously by moving the devices all together along the length direction of these plate type vessels arranged in line. The invention can be used to clean a plate type vessel ...

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Номер записи: 21
07-04-2023 дата публикации

High and low temperature optical transfer function and transmittance testing system

Номер: CN115931306A
Автор: LI YONG, XIONG TAO, LI ZHONG, ZHU GUANGLIANG, WU YAO, LI BIAO, LEI JIANMIN, WANG XIUFENG, ZHANG QUAN, RUAN JIANBIN, CHEN CONG, XU CHUANLI, ZHANG HAN
Принадлежит:

The invention discloses a high and low temperature optical transfer function and transmittance test system. The system comprises a light source, a collimation system, a high and low temperature box, a high temperature box, a tested lens, a tested plain film, an image analyzer, an integrating sphere, a three-dimensional translation stage and a switching mechanism. According to the invention, two functions of high and low temperature transfer function testing and high and low temperature transmittance testing are systematically integrated, so that the system has better adaptability and practicability.

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Номер записи: 22
22-08-2023 дата публикации

Server control method and device, storage medium and electronic device

Номер: CN116633989A
Автор: ZHANG HAN, AI SHANBIN
Принадлежит:

The invention discloses a server control method and device, a storage medium and an electronic device.The server control method is applied to a server control script and comprises the steps that a received target operation instruction is responded, and the target operation instruction is used for indicating the server control script to configure static internet protocol information for a target server; the static internet protocol information is used for constructing a test environment for executing a target test on the target server; a target distribution instruction is sent to a substrate management controller connected with the target server, and the target distribution instruction is used for indicating the substrate management controller to distribute static internet protocol information for the target server; receiving target static internet protocol information returned by the substrate management controller in response to the target distribution instruction; and executing configuration ...

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Номер записи: 23
02-06-2023 дата публикации

Puncture needle fixing device

Номер: CN116196070A
Автор: WANG DECHANG, XIONG KE, LIU QIUYUAN, WANG YIRU, KANETANE, LU SHENG, XU YULING, XING TINGYU, ZHANG HAN
Принадлежит:

The invention provides a puncture needle fixing device which comprises sliding blocks, a base and a rotating mechanism, the rotating mechanism is rotationally installed on the base, a cavity structure is defined by the rotating mechanism and the base, the sliding blocks are located in the cavity structure, and the multiple sliding blocks are arranged around a rotating shaft of the rotating mechanism to form a clamping hole; the rotating mechanism and the base are used for allowing the puncture needle to be inserted along the rotating shaft, the puncture needle is partially located in the clamping hole, the two opposite ends of the sliding blocks are in transmission connection with the rotating mechanism and the base respectively, and by rotating the rotating mechanism, the rotating mechanism drives the multiple sliding blocks to move in the direction close to or away from the puncture needle. When the puncture needle fixing device is used, the rotating mechanism can be rotated to rotate ...

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Номер записи: 24
16-05-2023 дата публикации

Station large-span tunnel lining inner contour design method

Номер: CN116127552A
Автор: SHU DONGLI, LIAO YU, FANG ZHENHUA, WANG LEI, WANG XIAOLIANG, ZHANG HAN, ZHU LINCHEN, LI XIANBIN, WANG JIA, HE CONG, ZOU YILUN
Принадлежит:

The invention discloses a method for designing the inner contour of a large-span tunnel lining of a station to ensure the smoothness of lining transition. The method comprises the following steps: drawing an inner contour of a common double-track tunnel lining; drawing a station section signal switch machine widening section; drawing the inner contour of the three-line tunnel lining; drawing the inner contour of the four-line tunnel lining; drawing a secondary lining outline, on the basis of the inner outline of the common double-track tunnel lining, shifting a double-track tunnel arch part arc, a double-track tunnel right side wall arc and a double-track tunnel left side wall arc to the outer side by the lining thickness, shifting a double-track tunnel inverted arch arc to the outer side by the lining thickness, and drawing a secondary lining outline; with the bottom end points of the double-track tunnel right side wall arc and the double-track tunnel left side wall arc as the circle centers ...

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Номер записи: 25
04-07-2023 дата публикации

Heart information detection method, device and equipment based on physiological signals

Номер: CN116369911A
Автор: ZHANG HAN, LIN GUANYANG, FENG SHEN, LIN XIYING, WU XIANDA, BAO ANDONG, PANG ZHIQIANG
Принадлежит:

The invention relates to the field of heart information detection, in particular to a heart information detection method based on physiological signals, which comprises the following steps of: acquiring a plurality of IMF signal components corresponding to a sample user through integrated empirical mode decomposition, extracting a plurality of ballistocardiogram signal components from the plurality of IMF signal components, extracting multi-dimensional features based on the plurality of ballistocardiogram signal components, and extracting a plurality of heart information signals according to the multi-dimensional features. The method is used for constructing a heart detection model, accurate detection of heart information of a user is achieved, the heart information serves as auxiliary data for heart health condition evaluation, and the accuracy of heart health condition evaluation is improved.

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Номер записи: 26
08-08-2023 дата публикации

Lithium ion battery material, battery and manufacturing method thereof

Номер: CN116565179A
Автор: ZHANG HAN, QI SHIBO, LIU XIANGZHE, WU WEN, GAO QIMING, TU CAO, WANG KAI, YU SHENG, LI CHONG
Принадлежит:

The invention discloses a lithium ion battery material which comprises a positive electrode material and a lithium supplement agent, the positive electrode material comprises lithium manganese iron phosphate and lithium vanadium phosphate, the lithium supplement agent comprises lithium ferrite, and the lithium ion battery material comprises the following components in parts by weight: 93-94.7 parts of the positive electrode material and 1.3-3 parts of the lithium supplement agent. After the lithium manganese iron phosphate LMFP is mixed with the lithium vanadium phosphate LVP with excellent rate capability, low-temperature performance and cycle performance, the problem that the specific capacity, the safety, the rate capability and the low-temperature performance of a traditional lithium ion battery cannot be considered at the same time can be solved; and meanwhile, the lithium supplement agent LFO is introduced, so that the energy density of the battery is further improved.

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Номер записи: 27
11-08-2023 дата публикации

Positive electrode slurry and preparation method and stability evaluation method thereof

Номер: CN116581295A
Автор: SHENG PENGFEI, WU WEN, TU CAO, WANG KAI, LIU FENG, ZHAN XIAOJUN, CHEN JIANPENG, YU SHENG, XIAO JUN, ZHANG HAN, QI SHIBO, LIU XIANGZHE
Принадлежит:

The invention provides positive electrode slurry and a preparation method and a stability evaluation method thereof, and particularly relates to the technical field of battery manufacturing. The positive electrode slurry comprises a solvent, a positive electrode active material, a binder and a composite conductive slurry, and the positive electrode active material, the binder and the composite conductive slurry are dispersed in the solvent; wherein the composite conductive paste comprises conductive carbon black, carbon nanotubes, graphene and a graphene fluorescent nano-material, and the graphene fluorescent nano-material accounts for 3%-5% of the total mass of the conductive carbon black, the carbon nanotubes, the graphene and the graphene fluorescent nano-material. According to the invention, the graphene fluorescent nano material is added into the positive electrode paste, and the stability of the paste is represented by comparing the fluorescence luminosity of the paste before and ...

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Номер записи: 28
03-07-2014 дата публикации

SPECTRUM RESOURCE SHARING METHOD AND BASE STATION

Номер: WO2014101072A1
Автор: LI, Xia, HU, Ning, SHI, Xiaoyan, ZHANG, Han, REN, Xiaofeng, ZHANG, Liwen, YANG, Liping, ZHANG, Jing
Принадлежит:

The present invention provides a spectrum resource sharing method and a device. The method comprises: a first standard base station acquiring time-frequency information and power of each second standard channel which interferes with the first standard base station; and if no frequency point in a shared spectrum is occupied by the second standard channel in one transmission time interval, the first standard base station using the shared spectrum for scheduling of uplink and downlink data channels in the transmission time interval; otherwise, when an SINR of the frequency point is larger than a first threshold, using the shared spectrum for scheduling of uplink and downlink data channels in the transmission time interval, and determining, according to the SINR of the frequency point, orders of an MCS adopted by the first standard base station for scheduling of uplink and downlink data channels.

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Номер записи: 29
06-07-2016 дата публикации

Filtration core type filter

Номер: CN0205360762U
Автор: ZHANG HAN, CUI CHUNMEI, HE JILIANG, LUO PENGHUI, ZHANG GUANGBAO
Принадлежит:

... 本实用新型公开了一种滤芯式过滤器，包括过滤器壳体、以及设于过滤器壳体内的至少1个滤芯；所述过滤器壳体内固设有花板，花板上固设有导流管，导流管上套设有所述滤芯；还包括滤芯抽取装置，所述滤芯抽取装置包括支板和固设于支板上的拉杆；所述支板上设有至少1个通孔，滤芯抽取装置通过所述通孔插设于导流管的外侧；所述滤芯套设于导流管上且滤芯底部抵于所述支板上。本实用新型通过在壳体内设置配合的滤芯抽取装置，可以轻松地将滤芯通过滤芯抽取装置抽出来，从而大大方便了滤芯的拆装。 ...

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Номер записи: 30
30-05-2023 дата публикации

Service migration decision-making method, device and equipment based on MEC environment and medium

Номер: CN116192862A
Автор: SONG HUI, CHEN ZUNXUAN, CHEN YANYING, ZHANG HAN, FAN SHANXIANG
Принадлежит:

The invention relates to the technical field of mobile communication, in particular to a service migration decision-making method and device based on an MEC environment, equipment and a medium, and the method specifically comprises the steps: building a user movement prediction model based on a Bidirectional LSTM model of many-to-many prediction by using known human activity mobility data; a DRL framework is established, the DRL framework comprises a state s, an action a and a reward r, the state s represents the distance between the user and each MEC server and the current position of the user, the action a represents the MEC server which can be selected by the user, and the reward r represents the return of the action a under the state s; and training the DRL framework through a DQN algorithm, and obtaining a service migration decision model according to the user movement prediction model. According to the method, the problem of providing the mobility service is solved by combining the ...

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Номер записи: 31
22-08-2023 дата публикации

Numerical control machine tool small sample reliability modeling method

Номер: CN116627089A
Автор: ZHANG YINGZHI, LIU SIWEI, WANG XIAOFENG, DONG RENHAO, SUN MO, ZHANG HAN, CHENG XIHUI, CHENG QI
Принадлежит:

The invention belongs to the technical field of numerical control machine tools, and relates to a numerical control machine tool reliability modeling method under small samples, which comprises the following steps of: 1, dividing fault data of numerical control machine tool components; 2, establishing a component unit fault probability model based on time correlation; 3, empirical reliability parameter estimation; 4, sample data expansion; 5, performing least square parameter estimation based on the expanded data; 6, performing model fitting test; and 7, checking the goodness of fit of the model. According to the reliability modeling under the small sample, the influence of truncation data is fully considered when an empirical distribution function is calculated, on the basis, sample data expansion is carried out according to an original data rule under the small sample condition by utilizing support vector regression, and parameter estimation is carried out by utilizing the expanded data ...

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Номер записи: 32
11-08-2023 дата публикации

Ultralow-temperature plastic impact deformation device and plastic impact deformation method for test piece

Номер: CN116577223A
Автор: ZHANG HAN, QIAO JISEN, XU YANGTAO, XIA TIANDONG, ZHAO WENJUN, YANG HAO
Принадлежит:

The invention discloses a test piece ultralow-temperature plastic impact deformation device and a plastic impact deformation method, which are used for carrying out ultralow-temperature plastic impact test on a metal test piece, and the device comprises a shell, an impact piece, at least two groups of flexible clamps and a liquid nitrogen injection device, the fixed end of the impact piece is connected with the top wall of the inner cavity of the shell, and the free end of the impact piece faces the bottom wall of the inner cavity of the shell. Each group of flexible clamps comprises longitudinal adjusting pieces and horizontal flexible clamping pieces, the two longitudinal adjusting pieces are symmetrically arranged on the bottom wall of an inner cavity of the shell, and each horizontal flexible clamping piece comprises a fixing rivet, a sliding sleeve and a spring; the first end of the fixing rivet is connected with a longitudinal adjusting piece, and the outer side wall of the first ...

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Номер записи: 33
25-08-2023 дата публикации

Artillery simulation vehicle for simulating shooting jitter

Номер: CN116642369A
Автор: LIU JIN, YU FUSHENG, ZHANG HAN, FAN WENLI, ZHANG YAN, LI BAOFENG, YI JIE, LIU LIN, LIU JIANYU
Принадлежит:

The invention relates to the technical field of ordnance training equipment, and particularly discloses an artillery simulation vehicle for simulating shooting jitter, the artillery simulation vehicle comprises a bottom concave table, a vehicle body unit, a gun barrel unit and a control unit, the vehicle body unit is movably arranged on the bottom concave table, the gun barrel unit is arranged on the vehicle body unit, the gun barrel unit is controlled by the control unit to carry out shooting simulation, and the control unit is connected with the control unit. And the vehicle body unit is driven to move on the bottom concave platform. High-pressure gas is filled into the gas storage tank through the gas pump, during simulated shooting, the high-pressure gas in the gas storage tank inflates the cylinder body through the gas inlet in the front end of the cylinder body, impacts and pushes the cylinder rod mass block to quickly move towards the bottom of the cylinder body, the situation that ...

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Номер записи: 34
21-04-2023 дата публикации

Astatine 211 labeled octreotide compound as well as preparation method and application thereof

Номер: CN115991735A
Автор: YU FEI, QIN SHANSHAN, ZHANG JIAJIA, ZHANG HAN, ZHANG SHENGHONG
Принадлежит:

The invention discloses a preparation method of a 211At labeled octreotide compound, which comprises the following steps: dissolving octreotide with the concentration of 5 mg/mL in a phosphate buffer solution with the concentration of 0.1 mol/L and the pH value of 7.6, and combining with N-succinimide-3-tri-n-butyltin-benzoate with the concentration of 26 mmol/L dissolved in dimethyl sulfoxide to obtain a mixture; incubating the mixture at room temperature for 30 minutes; the method comprises the following steps: separating Oct-m-MeATE from PBS (Phosphate Buffer Solution) by using a sephadex column G-10, and adjusting the pH value to 5.5 by adding acetic acid before 211At labeling; the method comprises the following steps: adding Oct-m-MeATE and 20 L of 20 mg/mL N-chlorosuccinimide solution dissolved in methanol into about 370 MBq Na211At solution, and incubating the reaction mixture at room temperature for 5 minutes; and adding 20 [mu] L of a 40 mg/mL sodium pyrosulfite aqueous solution ...

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Номер записи: 35
07-07-2011 дата публикации

METHOD, DEVICE AND BASE STATION FOR UTILIZING CELL EDGE FREQUENCY BAND RESOURCES

Номер: WO2011079759A1
Автор: LIANG, Zheng, PENG, Bingguang, LI, Dan, ZHANG, Han
Принадлежит:

Embodiments of the present invention provide a method, a device and a base station for utilizing cell edge frequency band resources and belong to a mobile communication field. The method includes: receiving messages transmitted from other cells, wherein the messages are used for indicating information of edge frequency band resource blocks used by other cells; acquiring information of remaining available resource blocks; and according to the acquired information of the remaining available resource blocks, utilizing the remaining available resource blocks based on a set probability that the current cell utilizes each remaining available resource block. The device includes a message reception module, a remaining available resource acquirement module and a utilization module. The base station includes the device for utilizing cell edge frequency band resources. When the edge frequency band resource adjustment is executed, the remaining available resource blocks among the cell edge frequency ...

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Номер записи: 36
07-07-2023 дата публикации

Method for analyzing drainage basin water body pollution source of mixed land use type

Номер: CN116402389A
Автор: ZHANG HAN, REN XINGNIAN, HU YUANSI, CHEN SIKAI, GAO DONGDONG
Принадлежит:

The invention discloses a drainage basin water pollution source analysis method for a mixed land type, and the method specifically comprises the steps: carrying out the month-by-month surface water quality monitoring in a mixed land utilization drainage basin, and completing the data collection of water quality parameters; collecting land utilization data; respectively carrying out correlation analysis between the water quality parameters and correlation analysis between the water quality parameters and the land utilization indexes by utilizing Pearson correlation analysis and redundancy analysis; calculating the contribution rate of each pollution source to each water quality parameter by respectively utilizing PMF and APCS-MLR models, extracting a significant water quality parameter of each pollution source, and comprehensively analyzing the significant water quality parameter and an RDA result; and comparing the model operation parameters with the contribution rate allocation result, ...

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Номер записи: 37
13-06-2023 дата публикации

Marine organism positioning and measuring device and method for underwater robot

Номер: CN116255908A
Автор: MA WENJING, ZHANG PENG, LIU JIN, CAO LEI, YU FUSHENG, SHEN XIAOQIN, ZHANG HAN, FAN WENLI, TANG BAOCHENG, YI JIE, ZHANG GUOHAI
Принадлежит:

The invention relates to a marine organism positioning and measuring device and method for an underwater robot, and belongs to the field of underwater robots. The device comprises a visual processor, a controller, an image sensor, an attitude sensor, a first laser, a second laser, a fixed bracket and a sealed cabin, wherein light spots of the first laser and the second laser are linear. Moreover, the method realizes marine organism measurement and positioning based on monocular vision, and comprises the steps of making a data set, building a network structure, training a detection network, converting a model, deploying a. Kmodel file to a K210 end, establishing a reference system by combining the actual distance between two beams of parallel laser rays so as to calculate actual size information and depth information of the sea cucumber, and the like. Compared with a binocular camera, the method has the advantages that the hardware cost is reduced, the data input amount is reduced, the calculation ...

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Номер записи: 38
30-05-2023 дата публикации

Guide wire clamping tool and guide wire interventional operation system

Номер: CN116173378A
Автор: LU SHENG, XIONG KE, LIU QIUYUAN, WANG YIRU, WANG DECHANG, XU YULING, ZHANG HAN, XING TINGYU
Принадлежит:

The invention provides a guide wire clamping tool and a guide wire interventional operation system, and relates to the technical field of medical instruments.The guide wire clamping tool comprises a guide wire clamp base and an elastic buckle, the guide wire clamp base is provided with a first clamping groove and an arc-surface hooking structure, the first clamping groove is used for containing a guide wire to be fixed, and the arc-surface hooking structure is used for hooking the guide wire to be fixed; the elastic buckle comprises a large cantilever beam and a small cantilever beam which are arranged at an angle, one ends of the large cantilever beam and the small cantilever beam are connected with each other, the joint of the large cantilever beam and the small cantilever beam is rotationally connected with the guide wire clamp base, the small cantilever beam is arranged close to one side of the guide wire clamp base relative to the large cantilever beam, and a first protrusion matched ...

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Номер записи: 39
02-05-2023 дата публикации

Multi-layer and multi-channel micro-fluidic chip capable of integrating fibers, and preparation method and application of multi-layer and multi-channel micro-fluidic chip

Номер: CN116037227A
Автор: ZHAO YUANJIN, YU YUNRU, GUO JIAHUI, ZHANG HAN
Принадлежит:

The invention provides a multi-layer multi-channel micro-fluidic chip capable of integrating fibers. The multi-layer multi-channel micro-fluidic chip comprises a bottom layer, a middle layer and a top layer, the bottom layer is provided with a bottom layer liquid inlet, a bottom layer incident channel, a material fixing channel, a bottom layer emergent channel and a bottom layer liquid outlet, and a fiber limiting structure is arranged in the material fixing channel; the middle layer is provided with a middle layer liquid inlet, a middle layer incident channel, a middle layer emergent channel and a middle layer liquid outlet; a plurality of through holes are formed in the middle layer; and the top layer is provided with a top layer liquid inlet and a top layer liquid outlet. The invention further provides a preparation method of the multi-layer multi-channel micro-fluidic chip. The prepared micro-fluidic chip can be applied to evaluation and screening of fiber materials for peripheral nerve ...

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Номер записи: 40
20-07-2016 дата публикации

Solar panel air conditioner joins externally aircraft bonnet

Номер: CN0205388350U
Автор: ZHANG HAN
Принадлежит:

... 本实用新型属于家用电器领域，具体涉及种太阳能板空调外挂机罩。包括外挂机主体、外挂机罩、连接外挂机和外挂机罩并支撑外挂机罩的支架，外挂机罩是太阳能板，控制电路、感光器、感光器和控制电路用导线连接，太阳能板边缘有保护套；外挂机主体顶部和底部的中间有隔热垫，顶部隔热垫上表面固定有旋转头，旋转头与太阳能板活动连接，顶部隔热垫和太阳能板通过伸缩支架连接，底部隔热垫下表面固定有蓄电池，蓄电池与控制电路用导线Ⅰ连接，外挂机与空调用导线Ⅱ连接，电池与空调用导线Ⅲ连接。本实用新型的有益效果是：本新型的设计能有效延长空调外挂机的使用寿命，成本低，太阳能板的设计不仅可以保护空调外挂机，还可以起到给空调提供电源，节约用电的作用。 ...

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Номер записи: 41
28-07-2023 дата публикации

YOLO-TGB vehicle detection system and method

Номер: CN116503631A
Автор: YAO XINPENG, RONG WEN, LI YIMING, SUN QING, ZHANG HAN, CHEN TING, GAO TAO
Принадлежит:

The invention discloses a YOLO-TGB vehicle detection system and a YOLO-TGB vehicle detection method, which are based on the combination of a lightweight network GhostNet and an attention mechanism module Transform, reduce the redundancy of a backbone network, and enable the network to be more focused on vehicle feature information, thereby maintaining better detection precision. An improved bidirectional weighted feature pyramid network BiFPN added with depth separable convolution is adopted, so that the parameter scale is reduced while more features are fused as much as possible; a K-Means + + clustering algorithm is adopted to perform clustering analysis according to the scale of a vehicle detection target, so that a more accurate prior frame is obtained, and the detection performance is further improved; based on a UA-DETRAC vehicle data set, the validity of the YOLO-TGB network is verified, and experimental results show that compared with other target detection networks, the lightweight ...

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Номер записи: 42
21-04-2023 дата публикации

Implementation method for software function of button device

Номер: CN115994008A
Автор: ZHANG YONG'AN, XIE CHENGYONG, GENG JIA, LI HUI, ZHANG HAN, XING TINGYU
Принадлежит:

The invention provides a method for realizing a software function of a button device, which comprises the following steps of: according to an original input signal processing type, establishing a mapping relationship between an input signal and an output signal, so that when an external input signal exists, the original input signal processing type gives a corresponding output signal; the digital signal reading interface type is used for shielding hardware interface differences; the button type comprises at least one signal processing type instance, assigning the change when the button is operated as a function for processing a business logic process, and callback the callback function in the signal processing type instance through the timer so as to use the button. A unified processing process is provided for button action detection, the processing process can be used by a button unit and a calculation processing unit with different digital inputs, the processing process can be used repeatedly ...

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Номер записи: 43
02-05-2023 дата публикации

Fabricated wallboard structure convenient to mount and dismount and mounting method thereof

Номер: CN116044083A
Автор: YE SHENGJUN, QIAN YUANDI, ZHANG HAN, WANG JINDONG, HE ZHONGGUO
Принадлежит:

The invention discloses a fabricated wallboard structure convenient to mount and dismount and a mounting method thereof, and belongs to the technical field of fabricated wallboards. The fabricated wallboard structure convenient to mount and dismount comprises two cross beams which are oppositely arranged in parallel, a first connecting frame and a second connecting frame are assembled and connected between the two ends of the two cross beams correspondingly, and a middle connecting frame is assembled and connected between the middle portions of the two cross beams; clamping mechanisms are arranged in the two sides of the middle connecting frame and on the inner side of the first connecting frame and the inner side of the second connecting frame. The two sides of the wallboard assembly to be installed are correspondingly clamped and fixed into the middle connecting frame and the first connecting frame or the second connecting frame through the arrangement of the clamping mechanisms, so that ...

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Номер записи: 44
28-04-2023 дата публикации

Wellhead blowout preventer

Номер: CN116025303A
Автор: ZHANG JIANDANG, ZHANG HAN, ZHANG ZHONGTAO, YOU JING, CHEN JIE, RUAN XIAOMING
Принадлежит:

The invention relates to a wellhead blowout preventer. The wellhead blowout preventer comprises: a housing having a mounting cavity; the sealing rubber ring is located in the mounting cavity, and the sealing rubber ring is provided with a sealing hole extending in the axial direction of the sealing rubber ring; the rubber ring pressing cap is in threaded connection with the opening of the mounting cavity so as to press the sealing rubber ring in the mounting cavity, a central through hole is formed in the rubber ring pressing cap, and the central through hole and the sealing hole are arranged correspondingly; an annular groove is formed in the hole wall of the sealing hole and used for storing a lubricating medium. Due to the fact that the lubricating medium can be stored in the annular groove formed in the hole wall of the sealing hole, when a tubular column in a shaft is lifted, a cable or a steel wire rope can be lubricated, dry friction between the sealing rubber ring and the cable ...

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Номер записи: 45
18-07-2023 дата публикации

Weak supervision target detection method and system

Номер: CN116452877A
Автор: WANG YONGFANG, ZHANG HAN
Принадлежит:

The invention provides a weak supervision target detection method and system for an image. The method comprises the following steps: carrying out feature extraction on an input image; carrying out self-refining to enhance the features; extracting suggestions from the input image; the enhanced feature is used for extracting a suggested region feature through an ROI Pooling layer; using a full connection layer for the regional features to obtain a feature matrix; softmax and element product are respectively carried out in two different dimensions of the category and the suggestion to obtain all suggestion scores; and obtaining the score of the picture on the category c. Wherein the suggested score is associated with a significance prior module, a multi-target search method, a Refinement branch, a bounding box regression branch and a weighting strategy of area guidance. According to the method, an original image is directly used for training, and an end-to-end target detection model can be ...

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Номер записи: 46
30-05-2023 дата публикации

D2D low-delay user pairing method based on joint attributes

Номер: CN116193475A
Автор: SONG HUI, ZHAO LIN, ZHANG LUOYU, ZHANG HAN, FAN SHANXIANG, XIAO KAIFAN, CHEN XINGYU, LIN BENSHUO
Принадлежит:

The invention relates to the technical field of communication, and discloses a D2D low-delay user pairing method based on joint attributes, and the method comprises the steps: building a one-to-one bidirectional matching model based on D2D connection, and obtaining a supplier user satisfaction function and a demander user satisfaction function according to the joint attributes; determining the pairing time delay of the demander user according to the number of requests for establishing one D2D connection by the demander user and the unit request time; according to the supplier user satisfaction function, the demander user satisfaction function and the demander user pairing time delay, the pairing efficiency of the demander user and the supplier user in the D2D connection is determined; and obtaining a matching algorithm with low pairing delay, and performing D2D connection user pairing through the matching algorithm with low pairing delay. According to the invention, a bidirectionally considered ...

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Номер записи: 47
15-08-2023 дата публикации

Vascular intervention operation auxiliary system and control method thereof

Номер: CN116597975A
Автор: ZHANG YONG'AN, LI HUI, GENG JIA, KIM HA-SANG, ZHANG HAN, XING TINGYU
Принадлежит:

The invention provides a vascular interventional operation auxiliary system and a control method thereof, relates to the field of medical equipment, and is used for providing assistance for vascular interventional operation equipment, the system comprises a man-machine interaction subsystem and a motion control subsystem, and the man-machine interaction subsystem and the motion control subsystem are in communication connection; the man-machine interaction subsystem is used for receiving and processing a first instruction input by a user and sending a second instruction to the motion control subsystem, and is also used for acquiring state information of the vascular intervention operation equipment fed back by the motion control subsystem; the motion control subsystem is used for receiving and processing the second instruction sent by the man-machine interaction subsystem, and is also used for carrying out motion control on the vascular interventional operation equipment; the man-machine ...

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Номер записи: 48
13-06-2023 дата публикации

Transition metal atom and C vacancy co-doped 3C-SiC composite model and modification method

Номер: CN116259367A
Автор: WANG XUEWEN, ZHANG YUANMENG, GAO JIE, PENG CHAO, YAO LINWEI, YUN JIANGNI, ZHANG HAN, ZHAO WU, ZHAI CHUNXUE, MA XIAOLONG, QI XIAOFEI
Принадлежит:

The invention provides a transition metal atom and C vacancy co-doped 3C-SiC composite model and a modification method. The method mainly comprises the following steps: constructing a 3C-SiC supercell; carrying out geometric optimization on the 3C-SiC supercells to obtain 3C-SiC supercells with the lowest total internal energy of atoms; performing transition metal atom doping to obtain a transition metal atom doped 3C-SiC supercell; the optimized 3C-SiC supercell doped with the transition metal atoms is obtained; any C atom nearest to the transition metal atom in the optimized transition metal atom-doped 3C-SiC supercell is removed to form a C vacancy, a C vacancy and transition metal atom co-doped 3C-SiC composite model is obtained, and then the obtained C vacancy and transition metal atom co-doped 3C-SiC composite model is subjected to geometric optimization. The optimized C vacancy and transition metal atom co-doped 3C-SiC composite model is obtained; compared with a traditional 3C-SiC-based ...

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Номер записи: 49
06-06-2023 дата публикации

Preparation method of molybdenum ion pre-embedded molybdenum vanadium sulfide heterojunction rich in sulfur defects

Номер: CN116230926A
Автор: YAN JUNFENG, ZHOU XIAOTONG, WANG GANG, MA HAOLUN, ZHANG JIAXUAN, YUN JIANGNI, ZHANG HAN, ZHAO WU, ZHAI CHUNXUE, DENG ZHOUHU, ZHANG ZHIYONG
Принадлежит:

The invention provides a preparation method of a molybdenum ion pre-embedded molybdenum vanadium sulfide heterojunction rich in sulfur defects, which comprises the following steps: step 1, dissolving C2H5NS in ethylene glycol to obtain a solution A; step 2, dissolving a vanadium source in deionized water to obtain a solution B; step 3, mixing the solution A obtained in the step 1 and the solution B obtained in the step 2, reacting at 70-160 DEG C for 30-120 minutes, and naturally cooling to room temperature after the reaction is finished to obtain a solution C; and 4, adding a molybdenum source into the solution C obtained in the step 3, carrying out ultrasonic oscillation to obtain a solution D, transferring the solution D into a reaction kettle, carrying out hydrothermal reaction at 160-180 DEG C for 16-20 hours, naturally cooling to room temperature after the reaction is finished, and washing and drying to obtain the molybdenum ion pre-embedded molybdenum vanadium sulfide heterojunction ...

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Номер записи: 50
07-04-2023 дата публикации

Rapid curing treatment method for engineering waste slurry

Номер: CN115925207A
Автор: YANG YANG, GAO XUECHENG, ZOU TAN, XIAO YANG, ZHANG HAN
Принадлежит:

The invention discloses a rapid curing treatment method of engineering waste mud, and belongs to the technical field of civil construction engineering, the used polyacrylamide material can rapidly separate mud and water in the mud, and the discharged supernatant water can achieve the effect of rapidly reducing the water content of the mud. And the used high-molecular water-absorbent resin material can be used for quickly curing thick mud, so that the requirements of transportation or secondary utilization are met.

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Номер записи: 51
09-06-2023 дата публикации

Quick-connection interlocking mechanism

Номер: CN116241540A
Автор: WANG DECHANG, XIONG KE, LIU QIUYUAN, WANG YIRU, KANETANE, LU SHENG, XU YULING, XING TINGYU, ZHANG HAN
Принадлежит:

The invention provides a quick-connection interlocking mechanism which comprises a first support, a second support and a third support, a boss is arranged at one end of the first support, a first connecting hole is formed in the side wall of the boss, a first mounting groove is formed in one end of the second support and used for allowing the boss to be inserted, and a mounting hole is formed in the side wall of the second support and used for allowing the boss to be inserted in. The mounting hole is communicated with the first mounting groove, a first sliding block and a reset device are mounted in the mounting hole, the first sliding block extends in the radial direction of the second support, the first sliding block is in driving connection with the reset device, a second mounting groove is formed in one end of the third support, and a second connecting hole is formed in the inner side wall of the second mounting groove; the second support is used for being installed in the second installation ...

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Номер записи: 52
11-08-2023 дата публикации

IL-6 biosensor based on molecular imprinting technology and preparation method

Номер: CN116577397A
Автор: SHENG HAONAN, ZHANG HAN, BAO HENGSHUAI, LUO HONGLI, WANG YONG
Принадлежит:

The invention discloses an IL-6 biosensor based on a molecular imprinting technology and a preparation method. The sensor comprises a screen-printed graphite electrode with a counter electrode, a working electrode, a reference electrode and a polymer modification layer. The method comprises the following steps: dropwise adding a KCL solution into an electrode disc area of a silk-screen printing graphite electrode, and treating by using a chronoamperometric method to complete pretreatment; mixing IL-6, pyridine and pyridine-2-formic acid, standing, dropwise adding the mixture to an electrode disc area for incubation, and treating and polymerizing by using cyclic voltammetry to form an imprinted layer; and dropwise adding oxalic acid dihydrate for incubation, dropwise adding PBS for incubation, immersing into PBS, and treating by using cyclic voltammetry to complete imprinting demolding, so as to form a polymer modification layer, thereby obtaining the IL-6 biosensor. According to the biosensor ...

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Номер записи: 53
22-08-2023 дата публикации

Gunpowder combustion characteristic testing device

Номер: CN116626220A
Автор: XIE XINGHUA, XU MENGBEN, XIA YIDING, ZHOU HUISHENG, WANG HANXIN, WANG CAN, YANG YONGFU, XIE QIANG, WANG WEIGUO, LIU WEI, FAN GUANGWEI, KONG ERHUA, ZHANG HAN, WANG QUAN, LI HONGWEI, WU HONGBO, WU CHENGLI
Принадлежит:

The invention discloses a gunpowder combustion characteristic testing device, and relates to the technical field of gunpowder and explosives, the gunpowder combustion characteristic testing device comprises a combustion chamber and a camera mechanism, a base is vertically fixed on the inner bottom surface of the combustion chamber, a gunpowder placing rack is detachably connected to the base, and windows corresponding to the gunpowder placing rack are arranged on the peripheral side walls and the top wall of the combustion chamber; disassembly and assembly parts are arranged on the outer wall faces of the two sides of the window, and the combustion chamber is connected with an ignition part extending to the gunpowder containing frame. The camera shooting mechanism comprises an outer dismounting frame, a distance adjusting assembly and a high-speed camera. The outer dismounting frame is detachably connected with the dismounting part; the distance adjusting assembly is connected to the inner ...

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Номер записи: 54
23-06-2023 дата публикации

Positive sodium supplementing agent, preparation method thereof, positive pole piece and sodium ion battery

Номер: CN116314830A
Автор: WU WEN, QI SHIBO, LIU XIANGZHE, YI SIYONG, TU CAO, ZHANG HAN, WANG KAI, SHENG PENGFEI, CHEN JIANPENG, ZHAN XIAOJUN, YU SHENG
Принадлежит:

The invention provides a positive sodium supplementing agent, a preparation method thereof, a positive pole piece and a sodium ion battery, and particularly relates to the field of secondary batteries. The positive electrode sodium supplementing agent comprises sodium hexafluoroferrite and a carbon material, the surface of the sodium hexafluoroferrite is coated with the carbon material, and the mass ratio of the carbon material to the sodium hexafluoroferrite is (3-10): (90-97). Sodium ions are desorbed from the positive electrode sodium supplementing agent before a positive electrode material, the positive electrode sodium supplementing agent is used for sodium ions consumed by forming an SEI film on the surface of a negative electrode, the loss of the first coulombic efficiency of the positive electrode and the negative electrode is compensated, the positive electrode sodium supplementing agent can stably exist in the air, gas is not released in the charging and discharging process, the ...

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Номер записи: 55
22-06-2016 дата публикации

Different structure magnanimity national resources storage device of multisource

Номер: CN0205334967U
Автор: CHEN SICHAO, SHAN YUTING, YIN LIPING, YANG ZHEREN, ZHANG HAN, PAN XIN, CAO SIYUAN, ZHANG LIN
Принадлежит:

... 本实用新型提供一种多源异构海量民族资源存储装置,包括存储装置主体、硬盘移动架和散热风扇，所述存储装置主体前端设置有前安装口，后端设置有散热口，在所述前安装口上设置有硬盘移动架，在所述硬盘移动架上设置有安装固定柱，所述安装固定柱设置在硬盘移动架上端。本实用新型通过将存储装置连接在主机上，实现数据的存储和转运等，有利于各种资源存储，由于大量数据的传送会产生大量的热，为了存储设备的使用寿命和存储资源的质量，进行风扇散热处理，这个存储装置采用了良好的通风散热的设计，能有降低整个存储装置工作时候的温度，同时在存储装置主体上设置有多个接口，满足了数据的传送，能够很好的保存多源海量民族资源的存储。 ...

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Номер записи: 56
27-06-2023 дата публикации

Intelligent information processing radars simulation method based on machine learning

Номер: CN116343554A
Автор: YI JIE, LIU XIAOJIE, CHEN RAN, CHANG CHUANHU, YU FUSHENG, ZHANG HAN, NI HEPENG, YE YINGXIN, TIAN HAOYU, WANG XURUI
Принадлежит:

The invention belongs to the technical field of radar simulation, and particularly relates to an intelligent information processing radars simulation method based on machine learning, and the method comprises the steps: simulating the launching process of a shell under the action of various forces through a trajectory generation module when the shell is launched; a complex external environment under a real condition is simulated in a virtual environment through an external environment simulation module; information is integrated and processed through an intelligent information processing module, the generation of a shell track is completed, the correction of the shell moving track by external environment data is completed, and the simulation radar predicts the generated shell track. According to the method, actual environments in various environments can be simulated and generated by means of a machine learning algorithm, a large amount of cost consumed in actual operation is avoided, expected ...

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Номер записи: 57
30-06-2023 дата публикации

Forming method of square battery cell shell, square battery cell and battery pack

Номер: CN116365118A
Автор: ZHAO CHANGMING, YI SIYONG, MA YONGGANG, WANG ZHENWEN, ZHANG HAN
Принадлежит:

The invention provides a forming method of a square battery cell shell, a square battery cell and a battery pack, the forming method of the square battery cell shell comprises the following steps: cutting a plate, and cutting the plate to obtain a rectangular plate blank; the rectangular plate blank is wound and shaped, and an arc-shaped blank is obtained; the butt joint positions of the arc-shaped blanks are connected in a welded mode, and cylindrical blanks are obtained; and carrying out extrusion shaping on the cylindrical blank to obtain the square battery cell shell. According to the forming mode of the square battery cell shell, the manufacturing process steps of the shell can be simplified, meanwhile, the number of used plates is reduced, the welding workload between the plates in the shell forming process is further reduced, the production efficiency of the shell can be improved, meanwhile, the mass of the shell can be further reduced by reducing the number of welding seams, and ...

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Номер записи: 58
02-05-2023 дата публикации

Double-layer sapphire window flat-field apochromatic microscope optical system

Номер: CN116047712A
Автор: ZHU GUANGLIANG, WANG XIUFENG, XIONG TAO, HAN FANG, HUANG LONGKAI, ZHANG HAN
Принадлежит:

The invention discloses a double-layer sapphire window flat-field apochromatic microscope optical system, which adopts a structural form of an objective lens and a tube lens, 13 coaxial lenses are arranged from an object side to an image side, the objective lens comprises a first sapphire window, a second sapphire window, a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens, and the objective lens comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens. The barrel lens comprises five lens bodies including a first lens body, a second lens body, a third lens body, a fourth lens body and a fifth lens body. The front end of the objective lens of the microscope optical system is provided with a double-layer sapphire window, and sapphire has the characteristics of high hardness, no thermal deformation and the like, so that external heat and complex environment can be effectively isolated, and the microscope is protected ...

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Номер записи: 59
23-06-2023 дата публикации

Transition metal atom doped two-dimensional gallium nitride composite model and modification method

Номер: CN116312823A
Автор: WANG XUEWEN, GAO JIE, ZHANG YUANMENG, YAO LINWEI, JIANG SHAOXIANG, YUN JIANGNI, ZHANG HAN, ZHAO WU, ZHAI CHUNXUE, MA XIAOLONG, QI XIAOFEI
Принадлежит:

The invention discloses a transition metal atom-doped two-dimensional gallium nitride composite model and a modification method. The transition metal atom-doped two-dimensional gallium nitride composite model is constructed by adopting the following steps: step 1, establishing intrinsic gallium nitride unit cells; step 2, obtaining a two-dimensional gallium nitride supercell with the lowest total internal energy of atoms; step 3, replacing gallium atoms in the two-dimensional gallium nitride supercells with transition metal atoms to obtain transition metal atom doped two-dimensional gallium nitride supercells; and step 4, carrying out geometric optimization on the obtained transition metal atom doped two-dimensional gallium nitride supercell to obtain an optimized transition metal atom doped two-dimensional gallium nitride supercell. Compared with an intrinsic two-dimensional gallium nitride system, the light absorption of the transition metal atom-doped system in a visible light region ...

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Номер записи: 60
05-05-2023 дата публикации

Application of pea TUB gene as reference gene

Номер: CN116064574A
Автор: LIU MINMIN, YU MIN, PAN TING, ZHANG HAN, YANG YAO
Принадлежит:

The invention discloses an application of a pea TUB gene as a reference gene. The nucleotide sequence of the pea TUB gene is shown as SEQ ID No.1. The invention also discloses an application of the pea TUB gene as the reference gene. In the invention, the inventor finds that the pea TUB gene can be stably expressed under the stress of low temperature, high temperature, salt or drought, and can be used as a reference gene for researching the expression of related genes under the stress of low temperature, high temperature, salt or drought; a real-time fluorescent quantitative PCR specific primer is designed according to the reference gene, and it is verified that the primer has high specificity, a fluorescent quantitative PCR amplification curve is good in repeatability, and the stability, reliability and repeatability of research can be improved.

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Номер записи: 61
06-06-2023 дата публикации

Lithium supplement agent, positive pole piece, electrochemical device and preparation method of lithium supplement agent

Номер: CN116230908A
Автор: WU WEN, QI SHIBO, LIU XIANGZHE, GUO YONGXING, YI SIYONG, TU CAO, ZHANG HAN, WANG KAI, SHENG PENGFEI, CHEN JIANPENG, ZHAN XIAOJUN, YU SHENG
Принадлежит:

The invention provides a lithium supplement agent, a positive pole piece, an electrochemical device and a preparation method of the lithium supplement agent, and belongs to the technical field of secondary batteries, and the positive pole lithium supplement agent comprises lithium cuprate and a coating layer. Wherein the lithium cuprate is doped with metal elements; the surfaces of the lithium cuprate particles are coated with the coating layer, and the coating layer is a carbon material. According to the lithium supplement agent, the positive pole piece, the electrochemical device and the preparation method of the lithium supplement agent, the advantages of low production cost and good material stability are considered, and the material is insensitive to air humidity, can stably exist in an air environment, and is convenient for practical application in battery production and manufacturing.

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Номер записи: 62
09-06-2023 дата публикации

Code-modification-free control system and method for automatically customizing BIOS file

Номер: CN116243990A
Автор: ZHANG HAN, CHEN YANDONG, LI DAOTONG, AI SHANBIN, ZHOU HANFANG
Принадлежит:

The invention relates to a code-modification-free control system and method for automatically customizing BIOS files, and the system comprises a BIOS offline customization module which uploads excel containing BIOS option modification content and logo in a specified format through a website background of a webpage to realize code-modification-free BIOS offline customization; in the file format translation module, a BIOS tool is triggered through an automatic program, a bin file which is encoded by ANSI and cannot be directly read is translated into a text format which is encoded by UCS-2 and can directly modify options, and BIOS option change and replacement of a startup image at a specified position are completed; the new file refreshing module is used for refreshing the newly generated bin file to a specified server; and the translation verification module is used for carrying out integrated verification on the modified option content and the position information of the logo so as to ...

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Номер записи: 63
15-06-2016 дата публикации

Filter element type filter

Номер: CN0205307926U
Автор: ZHANG HAN, CUI CHUNMEI, HE JILIANG, JI XIAN, LUO PENGHUI, ZHANG GUANGBAO
Принадлежит:

... 本实用新型公开了一种滤芯式过滤器，包括过滤器壳体、以及设于过滤器壳体内的至少1个滤芯；所述过滤器壳体内固设有花板，花板上固设有导流管；还包括滤芯抽取装置，所述滤芯抽取装置包括支板、固设于支板上的拉杆和固设于拉杆顶端的连接件；所述拉杆为空心管结构，且其上设有复数个导流孔；所述支板上设有1个通孔，滤芯抽取装置通过所述通孔插设于导流管的外侧；所述滤芯套设于滤芯抽取装置上，且滤芯底部抵于所述支板上。本实用新型通过在壳体内设置配合的滤芯抽取装置，可以轻松地将滤芯通过滤芯抽取装置抽出来，从而大大方便了滤芯的拆装。 ...

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Номер записи: 64
02-06-2023 дата публикации

Lane changing decision-making system and method based on logic rules

Номер: CN116198545A
Автор: LI JIANHUA, LIU JIAXIN, LIU JUNYI, JIN LIQIANG, ZHANG HAN
Принадлежит:

The invention is suitable for the technical field of automatic driving, and provides a lane changing decision system and method based on logic rules. The lane condition judgment module is used for judging lane conditions; the lane changing demand judging module is used for judging a lane changing demand; the lane changing safety judgment module is used for judging lane changing safety; and the lane changing decision module is used for carrying out comprehensive decision on judgment results of lane conditions, lane changing requirements and lane changing safety. The lane changing decision model is established through the Stateflow hierarchical state machine model, it is verified through the lane changing decision model that the lane changing decision algorithm can achieve lane changing decision of the vehicle on the urban straight road, traffic accidents caused by lane changing are greatly reduced, the lane changing safety and reliability of the vehicle in the complex environment are effectively ...

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Номер записи: 65
07-07-2023 дата публикации

Sleep apnea detection method and device based on physiological signals

Номер: CN116401598A
Автор: ZHANG HAN, MO ZHIFENG, CHEN XIHE, ZHU WEIWEI, YU BAOXIAN
Принадлежит:

The invention relates to the technical field of signal processing, in particular to a sleep apnea detection method based on physiological signals, which does not need to attach a large number of sensors to the head, chest and other positions of a human body to obtain various signals, only needs to detect the physiological signals of a user, and then separates heart impact signals and respiratory signals from the physiological signals. The sleep apnea detection result of the physiological signal is obtained according to the sleep feature data corresponding to the different scales and the dendritic neural network model, the detection mode is convenient and rapid, expert evaluation is not needed, and the detection efficiency is improved. The accuracy of the detection result can be improved, and sleep suspension of the user can be effectively analyzed.

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Номер записи: 66
04-08-2023 дата публикации

Gem-difluorocyclopentane compound and preparation method thereof

Номер: CN116535286A
Автор: XIA YING, ZENG YAXIN, CHEN JINQI, ZHANG HAN
Принадлежит:

The invention discloses a gem-difluorocyclopentane compound preparation method, which comprises: completely mixing and dissolving olefin, difluorocyclopropane, a metal rhodium catalyst, a phosphine ligand, a silver salt and an organic solvent in a nitrogen gas environment to obtain a mixed solution; then heating the mixed solution to 50-110 DEG C, and stirring to react for 3-12 hours; after the reaction is finished, a reaction product solution is concentrated by a rotary evaporator, and residues are separated and purified by silica gel column chromatography to obtain the gem-difluorocyclopentane compound. The metal rhodium catalyst is preferably tetravinyl dichloro rhodium; preferably, the phosphine ligand is 1, 1 '-binaphthyl-2, 2'-bis (diphenylphosphine); the silver salt is preferably silver tetrafluoroborate. According to the preparation method, the raw materials are simple and easy to obtain, the synthesis route is simple, the yield of a target compound is relatively high, the compatibility ...

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Номер записи: 67
04-04-2023 дата публикации

4A zeolite-Cu/polymer Fenton-like catalytic membrane, preparation and application thereof, and wastewater treatment method

Номер: CN115888805A
Автор: ZHANG LEI, ZHANG HAN, ZHANG YICHEN, LI MANQING
Принадлежит:

The invention provides a 4A zeolite-Cu/polymer Fenton-like catalytic membrane as well as preparation and application thereof and a wastewater treatment method, and belongs to the technical field of wastewater treatment. The catalytic membrane is a Fenton-like catalytic membrane, Cu < 2 + > is used for replacing a catalyst Fe < 2 + > in a Fenton system, Cu can react with H2O2 under neutral and alkaline conditions, the catalytic activity is better, and the reaction rate is high; the 4A zeolite is used as a carrier of the copper catalyst, so that the copper catalyst grows in situ on the surface of the 4A zeolite, the catalyst can be well dispersed in a polymer matrix due to in-situ growth, the copper catalyst is embedded in a polymer-based membrane pore channel, the surface structure exposure rate is high, a large number of active sites are provided for catalysis of organic pollutants, and the catalytic activity of the organic pollutants is improved. Therefore, the disadvantage of narrow pH ...

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Номер записи: 68
04-07-2023 дата публикации

Cable-stayed bridge steel shell-concrete combined bridge tower cable bent tower anchoring structure

Номер: CN116377859A
Автор: XU ZHAO, LI HUAIFENG, XU CHANGZE, ZHAO HONGJIAO, ZHANG SHUN, ZHANG HAN
Принадлежит:

The invention discloses a cable-stayed bridge steel shell-concrete combined bridge tower cable bent tower anchoring structure, relates to the technical field of bridge engineering, solves the problems that an existing cable bent tower anchoring form is large in occupied space in a tower, and construction quality is difficult to guarantee, and improves construction speed, and adopts the specific scheme that the cable bent tower anchoring structure comprises a cable guide pipe pre-buried in the tower wall of a bridge tower; the bridge tower wall is composed of a steel bridge tower inner wall, a bridge tower outer wall and concrete poured between the bridge tower inner wall and the bridge tower outer wall, the cable guide pipe is arranged obliquely upwards, one end of the cable guide pipe is fixedly connected with the inner surface of the bridge tower inner wall, the other end of the cable guide pipe penetrates through the bridge tower outer wall and extends outwards, and an anchorage device ...

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Номер записи: 69
23-06-2023 дата публикации

Device and method for detecting years of foreign wine

Номер: CN116297241A
Автор: ZHANG HAN, JIN PINGYAN, LIU WEI, WEN WEILIANG
Принадлежит:

The invention relates to a foreign wine year detection device and method. The foreign wine year detection device is applied to collect spectral feature data of a foreign wine solution, actual year labeling is carried out on the spectral feature data to form a training data set, the training data set is input into a neural network regression model, and a foreign wine year detection model and a storage model are generated; the collected foreign wine solution spectrum characteristic data is spectrum full-channel characteristic data, label data can be better distinguished, the accuracy of predicting years by the model is improved, the relation between years and spectrums is efficiently fitted by applying a neural network algorithm, and a foreign wine year detection model is generated; the model can quickly and efficiently predict the year and brand authenticity of the foreign wine in real time.

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Номер записи: 70
09-06-2023 дата публикации

Communication resource reservation method and device of power network, storage medium and electronic equipment

Номер: CN116245234A
Автор: ZHENG QIWEI, ZHU BOHAN, JING YINJI, CHEN ZHUO, ZHANG HAN, LI YANG, ZHANG YUAN, HUANG JUNHUA, LIN TONG, DONG ZIQI, ZHAO YONGLI
Принадлежит:

The invention provides a communication resource reservation method and device of a power network, a storage medium and electronic equipment. The method comprises the following steps: predicting gap electric quantity when a plurality of power supply nodes supply power to a preset single power utilization node; taking the power utilization node as a center, delimiting a cluster range according to an initial preset cluster radius, determining a candidate power supply node cluster according to the cluster range, and when the candidate power supply node cluster does not meet the gap electric quantity of the power utilization node, determining a target power supply node cluster meeting the gap electric quantity by adjusting the cluster radius, predicting a communication service to be received by the target power supply node cluster in the next unit time by using the pre-trained service prediction neural network; and determining a plurality of communication nodes for transmitting the communication ...

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Номер записи: 71
25-04-2023 дата публикации

100V system secondary power supply circuit for space

Номер: CN116015053A
Автор: SU LIJUAN, ZHANG HAN, YANG KECHENG, MENG XIANGTAO, YANG PENG
Принадлежит:

The invention provides a 100V system secondary power supply circuit for space. Comprising an unbalanced overcurrent protection circuit, an anti-sneak and anti-shake surge suppression circuit, a multi-mode startup and shutdown control circuit, a high-voltage 100V primary filtering and output voltage adjustable secondary power conversion circuit, a dummy load which adapts to an unbalanced load and improves reliability, and a grounding processing circuit. The invention discloses a secondary filter circuit capable of improving electromagnetic compatibility and reducing ripples. The 100V system secondary power supply circuit for the space is a set of circuit capable of being used for space navigation models, is mainly used for converting 100V voltage on a primary bus into + 5V and-5V for the system, simultaneously realizes primary and secondary filtering, and realizes startup and shutdown control of the 100V system, all units are positioned on the same power supply circuit assembly, and all ...

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Номер записи: 72
04-04-2023 дата публикации

Permeable breakwater construction method

Номер: CN115897640A
Автор: KANG SONGTAO, LIU PENGFEI, ZHANG HAN, ZHOU SONGQIN, LIU YU, WANG KUN, PU HONGJIA, ZHANG CHUNGE, ZHANG CHAO, WANG YUJIE
Принадлежит:

The invention relates to a permeable breakwater construction method which comprises the following steps: after a permanent caisson is hauled to a site, the permanent caisson is close to a positioning barge and is positioned by a GPS (Global Positioning System) positioning instrument, and the permanent caisson sinks under pressurized water and is accurately seated on a foundation bed; the stone dumper is close to the permanent caisson, and the excavator is used for conducting backfilling in the permanent caisson; a breast wall formwork is erected on the sea through a barge crane, reinforcing steel bars are hoisted through the barge crane and bound on site, concrete is stirred through a stirring ship and manually vibrated on the sea, and after concrete pouring is completed, the concrete is subjected to moisture preservation and curing; and when adverse conditions of extreme severe weather occur, temporary caissons are installed at the interval positions between the permanent caissons in advance ...

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Номер записи: 73
04-07-2023 дата публикации

Ballistocardiogram signal positioning method

Номер: CN116369907A
Автор: ZHANG HAN, ZHAO SONG, CAI DONGLI, LU YANG
Принадлежит:

The invention provides a ballistocardiogram signal positioning method. The ballistocardiogram signal positioning method comprises the following steps: acquiring a ballistocardiogram signal of a target object; inputting the ballistocardiogram signal into a pre-trained target detection model to obtain a plurality of cardiac cycle prediction areas of the ballistocardiogram signal and prediction probabilities corresponding to the cardiac cycle prediction areas; wherein the target detection model is used for detecting a cardiac cycle prediction region and a corresponding prediction probability of the ballistocardiogram signal; determining the cardiac cycle prediction area with the highest prediction probability as an initial cardiac cycle template; and positioning a cardiac cycle prediction signal of the ballistocardiogram signal and a J peak position of the cardiac cycle prediction signal according to the signal form distance curve of the cardiac cycle template and the plurality of cardiac ...

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Номер записи: 74
23-05-2023 дата публикации

Water immersion detection method of charging pile and energy management controller

Номер: CN116147734A
Автор: ZHANG HAN
Принадлежит:

The invention provides a charging pile water immersion detection method and an energy management controller, and the method comprises the steps: obtaining the water level height and the output voltage of a charging pile at a current moment, and obtaining the current water level height and the current output voltage; acquiring a preset water level height and a preset output voltage; and when the current water level height is greater than or equal to the preset water level height and the current output voltage is greater than or equal to the preset output voltage, determining that the charging pile has a water immersion fault. Therefore, whether a water immersion fault occurs or not is determined by considering the water level height and the voltage of water immersion at the same time, the precision of water immersion detection is greatly improved, and then the problem that the precision of water immersion detection of the charging pile in an existing scheme is low is solved.

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Номер записи: 75
09-06-2023 дата публикации

Power-to-gas virtual power plant carbon reduction operation optimization method and system

Номер: CN116245376A
Автор: NING WENYUAN, XING JIN, WANG XIAOLU, ZHANG HAO, WEI ZHONGKANG, LIU ZHEN, LIU DUNNAN, ZHANG HAN, JIA HEPING
Принадлежит:

The invention discloses a power-to-gas virtual power plant carbon reduction operation optimization method and system. The method comprises the following steps: collecting virtual power plant data; based on the virtual power plant data, calculating an initial carbon emission permit quota, an actual carbon emission amount and a virtual power plant cost; constructing a stepped carbon transaction cost model based on the initial carbon emission permit quota, the actual carbon emission and a carbon transaction mechanism; optimizing a stepped carbon transaction cost model based on an incentive mechanism of participation of electricity-to-gas in carbon market transaction; based on the optimized stepped carbon transaction cost model and the virtual power plant cost, constructing a carbon reduction economic dispatching model; and on the basis of the carbon reduction economic dispatching model and the actual carbon emission, obtaining the power-to-gas carbon reduction optimal economic dispatching ...

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Номер записи: 76
09-06-2023 дата публикации

Charging pile monitoring method, monitoring device, processor and charging pile system

Номер: CN116238380A
Автор: ZHANG HAN
Принадлежит:

The invention provides a charging pile monitoring method and device, a processor and a charging pile system.The method comprises the steps that under the condition that a charging pile is in an FOTA mode, working parameters of the charging pile are detected, and the working parameters comprise at least one of the working temperature, the pile door opening and closing state, the working current and the working voltage; under the condition that the working parameters do not meet the safety requirements, first request information requesting to quit the FOTA mode is sent to a remote communication terminal of the charging pile, so that the remote communication terminal responds to the first request information to quit the FOTA mode; and under the condition that the charging pile is switched from the FOTA mode to a non-FOTA mode, preset information is sent to a battery management system of the charging pile, so that the battery management system responds to the preset information and is disconnected ...

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Номер записи: 77
04-08-2023 дата публикации

Online prediction method for residual life of numerical control lathe tool

Номер: CN116533063A
Автор: ZHANG YINGZHI, HAN FENG, LIU JINTONG, GUO GUIMING, SONG MINQIAO, YANG SHENG, ZHANG HAN, SUN MO, LIU SIWEI, CHENG XIHUI
Принадлежит:

The invention belongs to the technical field of numerical control machine tools, and relates to an online prediction method for the residual life of a numerical control lathe tool, which comprises the following steps of: 1, carrying out iterative solution on an optimal value of a learning rate and a hidden layer neuron number of LSTM (Long Short Term Memory) by adopting PSO (Particle Swarm Optimization), establishing a CNN-PSO-LSTM model, and realizing online monitoring on the abrasion loss of the tool under a single working condition; 2, machining parameters are set, and online monitoring is conducted on the variable-working-condition tool abrasion loss through a transfer learning method; 3, considering the wear rate difference of the three stages of the cutter, describing the degradation process of the cutter based on the three-stage Wiener process, and further solving the residual life estimation of the cutter according to the concept of first arrival time; 4, updating model parameters ...

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Номер записи: 78
29-08-2023 дата публикации

Comprehensive energy knowledge graph completion method

Номер: CN116662567A
Автор: SHE JIAJU, ZHANG HAN, WU ZECHENG, WANG YI, LIU CHAO, WANG JING, WANG YINGQIU, LI YE, ZHAO MENG, TIAN RUNZE, WANG KAI
Принадлежит:

The invention discloses a comprehensive energy knowledge graph completion method, and relates to the technical field of knowledge graph completion. The method comprises the following steps: preprocessing unstructured text information to obtain a text set D; extracting N triples T from the text set D by utilizing the heterogeneous graph structure; screening the triad T to obtain a predicted value; counting the number of the predicted values which are 1; if the number of the predicted values with the value of 1 is 0, abandoning the corresponding triad T; if the number of the predicted values with the value of 1 is greater than or equal to 2, adding the corresponding triad T to the knowledge graph; the number of the predicted values with the value of 1 is 1, further distinguishing and complementing, and adding the complemented triple to the knowledge graph; series training of deletion discrimination and completion is realized; the context of the extracted knowledge is introduced into the complementary ...

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Номер записи: 79
08-08-2023 дата публикации

Precursor slurry for preparing super-amphiphobic self-cleaning coating in anhydrous environment as well as preparation method and application of precursor slurry

Номер: CN116554754A
Автор: WANG XUAN, DING HAO, SUN SIJIA, ZHANG HAN
Принадлежит:

The invention provides precursor slurry for preparing a super-amphiphobic self-cleaning coating in an anhydrous environment as well as a preparation method and application of the precursor slurry, and relates to the technical field of new chemical materials and composite functional materials. The preparation method specifically comprises the following steps: mixing micron-sized mineral powder and nano-sized titanium dioxide (TiO2) by utilizing an air-stream mill, and activating and modifying under an anhydrous condition to obtain composite particles with a micro-nano binary structure; and dispersing the composite particles in absolute ethyl alcohol, adding 1H, 1H, 2H, 2H-perfluorodecyltriethoxysilane (PFDTS), stirring, carrying out surface modification, adding resin, and stirring to obtain the slurry. And coating the surface of a substrate with the obtained slurry to obtain the wear-resistant super-amphiphobic self-cleaning coating with photocatalytic performance. The prepared super-amphiphobic ...

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Номер записи: 80
28-07-2023 дата публикации

Integrated inertial measurement device

Номер: CN116499458A
Автор: ZHAO TINGTING, YUAN TAO, NING XIAOGE, HAN JIE, GUO SHANFENG, ZHANG HAN, ZHOU MAN
Принадлежит:

According to the integrated inertial measurement device, a secondary power supply unit (1) receives power supply input provided by a primary bus and outputs multiple groups of voltages, an X accelerometer assembly (13) outputs acceleration information in the X direction, a Y accelerometer assembly (15) outputs acceleration information in the Y direction, and a light source driving circuit unit (12) outputs acceleration information in the Z direction and respectively provides the acceleration information in the X direction, the acceleration information in the Y direction and the acceleration information in the Z direction to an interface unit (3); after receiving the acceleration information, the interface unit (3) converts the acceleration information into pulse signals in X, Y and Z directions and provides the pulse signals for the signal processing unit (2), the light source driving circuit unit (12) outputs signals for driving a light source part of the gyroscope assembly (16), and gyroscope ...

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Номер записи: 81
23-06-2023 дата публикации

Fuzzy continuous damping control method and system based on dynamic stiffness adjustment

Номер: CN116300447A
Автор: LI JIANHUA, LIU JUNYI, LIU JIAXIN, ZHANG XU, ZHANG HAN, DONG ZENGHUI
Принадлежит:

The invention is suitable for the technical field of semi-active suspensions, and particularly relates to a fuzzy continuous damping control method and system based on dynamic stiffness adjusting.The method comprises the steps that fuzzification is carried out, an input variable and an output variable are determined, and the input variable and the output variable are converted into fuzzy quantities under the discourse domain; optimizing the membership function through an improved grey wolf optimization algorithm, and determining an objective function of the improved grey wolf optimization algorithm; determining a fuzzy set of the input variable and the output variable, and determining an optimized improved grey wolf optimization algorithm and a fuzzy rule table; defuzzification is carried out by adopting a gravity center method to obtain a corresponding output quantity, and then factors of the output quantity are converted into actual current through PID control; and the required damping ...

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Номер записи: 82
18-07-2023 дата публикации

Warm forming method of titanium metal bipolar plate

Номер: CN116441389A
Автор: LIU YANXIONG, WANG YONGBIN, HUA LIN, CHENG JIHUI, ZHANG HAN, JI KAISHENG
Принадлежит:

The invention discloses a warm forming method of a titanium metal bipolar plate, which comprises the following steps of: firstly, heating an upper die and a lower die to 150-200 DEG C, preserving heat, and spraying an antioxidant on two surfaces of a pure titanium blank; then the pure titanium blank is placed in a lower die cavity, and then the pure titanium blank is rapidly heated to 400 DEG C or above through a heating mechanism; then the upper die moves downwards, the pure titanium blank is stamped at the speed of 10-20 mm/s to form the titanium metal bipolar plate, and pressure maintaining is conducted on the titanium metal bipolar plate for 10-20 seconds; and after forming is finished, opening the mold to obtain the titanium metal bipolar plate. According to the method, thermoplastic deformation of metal is applied to the field of forming of the bipolar plate of the fuel cell, the deformation capacity of pure titanium can be improved, the problems that the forming performance is poor ...

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Номер записи: 83
05-05-2023 дата публикации

Wave power generation device combined with seawall

Номер: CN116066285A
Автор: ZHANG ZHONGHUI, LIU YUXI, ZHANG BAORUI, LI ANG, WANG CHAOJIANG, LI QINGTIE, FU PEIXIANG, ZHANG HAN, ZHANG YINING, LIN HAO
Принадлежит:

The invention discloses a sea wave power generation device combined with a seawall, which consists of a floating ball, a mooring rope, a fixed pulley, a machine room, a motion converter, a generator, a spring, a cable, an integrated control cabinet and a wave guide plate, and is characterized in that the floating ball floats on the sea surface under the combined action of self gravity, seawater buoyancy, mooring rope tension and seawall upstream slope acting force; and floating up and down along with the sea surface. A gear transmission mechanism in the motion converter drives a generator rotor to rotate in the forward direction, so that a fixed coil cuts magnetic induction lines, and current is generated. The characteristic that the sea surface fluctuates up and down along with tides or stormy waves can be fully utilized, and the function of collecting and utilizing tidal energy and sea wave energy resources is achieved on the basis that the original all functions of the seawall are not ...

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Номер записи: 84
13-06-2023 дата публикации

MXene modified metal ion pre-embedded V5O12. 6H2O composite material as well as preparation method and application thereof

Номер: CN116259757A
Автор: YAN JUNFENG, JIN DI, WANG GANG, YUN JIANGNI, ZHANG HAN, ZHAO WU, ZHAI CHUNXUE, CHEN CHENG, DENG ZHOUHU, ZHANG ZHIYONG
Принадлежит:

The invention discloses an MXene modified metal ion pre-embedded V5O12. 6H2O composite material and a preparation method and application thereof.The method comprises the steps that 1, 1 mmol to 4 mmol of vanadium oxide is taken and dispersed in 20 mL to 100 mL of deionized water, and dispersion liquid is obtained; adding 1-5mL of a hydrogen peroxide aqueous solution with the mass fraction of 30% into the dispersion liquid, and fully reacting to obtain a solution A; 2, taking 0.5-2 mmol of a metal ion compound and 0.2-1 g of an amido bond-containing compound, and dispersing the metal ion compound and the amido bond-containing compound in 10-60 mL of deionized water to obtain a solution B; 3, slowly adding the solution B into the solution A to obtain a solution C; 4, dispersing 20-100 mg of MXene powder in the solution C, and fully stirring to obtain a mixed solution D; and 5, transferring the mixed solution D into a high-pressure reaction kettle, carrying out hydrothermal reaction at 120 ...

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Номер записи: 85
04-07-2023 дата публикации

One-time thread rolling forming die for multi-section special-shaped ring groove self-plugging rivet core rod

Номер: CN116372070A
Автор: LIU FANGYUAN, YANG BIN, ZHANG XIAOBIN, TANG WEI, ZHANG YONGWEI, QI ZENGXING, GUI LINJING, MENG XIANGQING, ZHANG HAN
Принадлежит:

The invention provides a multi-section special-shaped ring groove self-plugging rivet core rod one-time thread rolling forming die which comprises a one-time thread rolling forming die body, the one-time thread rolling forming die body comprises a thread rolling die static die body M and a thread rolling die movable die body N. The thread rolling die static die body M and the thread rolling die movable die body N are the same in structure. The thread rolling die static die M and the thread rolling die movable die N are used for machining the target multi-section special-shaped ring groove self-plugging rivet core rod A into a multi-section special-shaped ring groove self-plugging rivet core rod blank B. The thread rolling die has the beneficial effects that one-time thread rolling forming of multiple sections of special-shaped ring grooves such as a straight ring groove, a clamping ring groove, a locking groove and a neck breaking groove with a certain inclination angle of a core rod of ...

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Номер записи: 86
07-04-2023 дата публикации

Sea ice concentration space refined interpolation method based on collaborative Kriging method

Номер: CN115935123A
Автор: ZHANG JINFEN, XIAO JUANJUAN, WU DA, ZHANG DI, ZHANG HAN, JIANG HAIYANG, SUN YOUGUO
Принадлежит:

The invention discloses a sea ice concentration spatial refinement interpolation method based on a collaborative Kriging method, and the method comprises the following steps: S1, dividing an interpolation region, and obtaining a sea ice concentration observation value and a climate parameter observation value at an observation point; s2, taking the sea ice concentration of the observation point as a main variable, and taking a climate parameter having the highest correlation with the sea ice concentration as a covariable; s3, calculating distances among all observation points, a main variable variation function value and a covariable variation function value; calculating a covariation function value between observation points; s4, obtaining an autocorrelation distance of the covariance function value based on the fitted curve; s5, calculating the distance between the observation point in the autocorrelation distance range of each interpolation point and the interpolation point, and obtaining ...

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Номер записи: 87
04-04-2023 дата публикации

Data encryption method and device, storage medium and electronic equipment

Номер: CN115913543A
Автор: ZHU LIANG, YU HANG, ZHANG HAN, ZHOU JIWEI
Принадлежит:

The invention relates to a data encryption method and device, a storage medium and electronic equipment, and the method comprises the steps: carrying out the multiple times of backup of original data, and obtaining multiple groups of backup data; for each group of backup data, adding corresponding target noise into the backup data to obtain corresponding encrypted data; for each group of encrypted data, inputting the encrypted data into a pre-constructed detection model to obtain a corresponding detection result; according to the multiple groups of detection results, a target detection result is determined, and the target detection result is a detection result corresponding to the target noise which has the minimum influence on the original data in the multiple groups of detection results. According to the method, the original data can be encrypted, leakage of the original data is avoided, the encrypted data can be used for data analysis, the confidentiality of the original data is improved ...

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Номер записи: 88
07-07-2023 дата публикации

Four-leg matrix converter and modulation method under open-circuit fault of switch tube

Номер: CN116404859A
Автор: GUO XIAOQIANG, DU SENYU, ZHANG HAN, DIAO NAIZHE
Принадлежит:

The invention discloses a four-leg matrix converter and a modulation method under open-circuit fault of a switching tube. According to the four-bridge-arm matrix converter, a bidirectional thyristor is connected to the midpoint of each bridge arm, so that the four-bridge-arm matrix converter can be changed into a three-bridge-arm matrix converter when one or more switching tubes of any bridge arm have an open-circuit fault, and normal work of a three-phase load is ensured. According to the control method of the four-bridge-arm matrix converter provided by the invention, the converter can control the bidirectional thyristors connected with the midpoints of the corresponding fault bridge arms to act under the condition that a single switching tube fails or a plurality of in-phase switching tubes fail. And the fault bridge arm is cut out of the converter to ensure normal work of the three-phase load at the alternating current side, so that the reliability and the fault-tolerant capability ...

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Номер записи: 89
22-06-2016 дата публикации

Novel support of bridge health monitor sensor casing device

Номер: CN0205333096U
Автор: WU GUOCHEN, CHEN SIZHU, YUAN SHIJIAO, ZHENG CHAO, ZHANG HAN, ZHANG YUHAN, QI JI, ZHAO YU
Принадлежит:

... 本实用新型公开了一种新型桥梁健康监测传感器壳体的支架装置，包括底板、第一伺服电机、控制盒、自动升降装置，自动升降装置包括管体、杆体、固定板、设置在固定板上的第二伺服电机，杆体靠近底部的外壁沿竖直方向设置有齿条，第二伺服电机的输出轴延伸至管体的内腔中，第二伺服电机的输出轴上设置有与齿条啮合的齿轮，控制盒的外壁设置有触摸屏，控制盒内设置有控制装置，控制装置与第一伺服电机、第二伺服电机、触摸屏电性连接；杆体的顶端可旋转设置有用于安装在桥柱上的套筒，杆体的外壁设置有传感器壳体；底板的底部各个角处分别设置有一高度微调装置。其有益效果是：使用方便省力，在地势不平坦的情况下使用时可避免倾倒现象发生。 ...

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Номер записи: 90
23-06-2023 дата публикации

Foldable foot bath device

Номер: CN116269009A
Автор: JIANG LIANGYAN, ZHANG RUILONG, ZHANG HAN
Принадлежит:

The invention provides a foldable foot bath device which comprises a base, a flexible glue folding barrel body and an upper shell, and the flexible glue folding barrel body is correspondingly installed between the base and the upper shell; the base can be correspondingly mounted in a placement groove in the ground, a sealing plate is movably mounted at the top of one side of the placement groove, and the folded foot bath device can be sealed in the placement groove; annular cavities are correspondingly formed in the side walls of the periphery of the base, spirally-wound water pipes are correspondingly arranged in the annular cavities, and the water pipes can be connected with floor heating pipes in the ground. Rotatable foot rests are correspondingly arranged on the two sides of the upper shell, and supporting mechanisms are correspondingly arranged at the bottoms of the foot rests. On one hand, the heating time of cold water in the foot bath device can be shortened, the heat preservation ...

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Номер записи: 91
01-08-2023 дата публикации

Hard carbon material, preparation method thereof and sodium ion battery

Номер: CN116514105A
Автор: TU CAO, WU WEN, QI SHIBO, LIU XIANGZHE, YI SIYONG, ZHANG HAN, SHENG PENGFEI, CHEN JIANPENG, ZHAN XIAOJUN, WANG KAI
Принадлежит:

The invention provides a hard carbon material, a preparation method thereof and a sodium ion battery, and particularly relates to the field of sodium ion battery materials. The preparation method of the hard carbon material comprises the following steps: providing lignin, and pretreating the lignin to prepare a purified raw material; mixing the purified raw material with a phosphorus source to prepare a precursor; and carrying out carbonization treatment on the precursor to obtain the hard carbon material. The mixture of the phosphorus source and the lignin is carbonized in the inert atmosphere to prepare the phosphorus-doped hard carbon material, the microstructure of hard carbon can be changed through introduction of the phosphorus element, the hard carbon has more defects and larger carbon layer spacing, more active sites are provided for embedding/removing of sodium atoms, the energy storage capacity is further improved, and the performance of the material is improved. And moreover, ...

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Номер записи: 92
18-07-2023 дата публикации

Resource utilization method of fluorine-containing hydrogen aluminum slag

Номер: CN116443908A
Автор: SHI BO, ZHANG HAN
Принадлежит:

The invention provides a resource utilization method of fluorine-containing hydrogen aluminum slag, and belongs to the field of resource utilization. The resource utilization method of the fluorine-containing hydrogen aluminum slag provided by the invention comprises the following steps: mixing the fluorine-containing hydrogen aluminum slag with first water, and filtering to respectively obtain a sodium sulfate filtrate and a first filter cake; performing first evaporation, concentration and filtration on the sodium sulfate filtrate to obtain a sodium sulfate solid; performing first drying and first grinding on the first filter cake to obtain first filter cake powder; mixing the first filter cake powder with second water and hydrochloric acid, leaching, and filtering to respectively obtain an aluminum chloride filtrate and a second filter cake; performing secondary evaporation on the aluminum chloride filtrate to obtain aluminum chloride; performing secondary drying and secondary grinding ...

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Номер записи: 93
07-07-2023 дата публикации

Long-life fiber bragg grating temperature measurement demodulator for space

Номер: CN116399469A
Автор: SU LIJUAN, FENG JIE, HUANG LEI, MENG XIANGTAO, YAN HUANHUAN, YUAN TAO, SUN WENYAN, WANG GONGBO, ZHANG HAN
Принадлежит:

The invention provides a long-life fiber bragg grating temperature measurement demodulator for space. The long-life fiber bragg grating temperature measurement demodulator comprises a secondary power supply assembly, two signal processing and interface circuit boards which are cold backups for each other, two light source driving circuit boards which are cold backups for each other, two main backup light source modules, two paths of secondary temperature control systems and a detector circuit board. The fiber bragg grating temperature measurement demodulator is realized based on the SG-DBR sweep frequency laser demodulation technology, and the fiber bragg grating temperature measurement demodulator, as a new generation product for temperature measurement, has the characteristics of wide measurement range, flexible layout, light weight and the like, and is very suitable for occasions of large-range multi-point temperature measurement of large precise structures of spacecrafts. In order to ...

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Номер записи: 94
15-08-2023 дата публикации

Positive electrode material, preparation method thereof and sodium ion battery

Номер: CN116598447A
Автор: WU WEN, QI SHIBO, LIU XIANGZHE, GUO YONGXING, YI SIYONG, TU CAO, ZHANG HAN, SHENG PENGFEI, CHEN JIANPENG, ZHAN XIAOJUN, WANG KAI, YU SHENG
Принадлежит:

The invention provides a positive electrode material, a preparation method thereof and a sodium ion battery, and particularly relates to the field of secondary batteries. The positive electrode material comprises a sodium ferrovanadium fluorophosphate material and a carbon material, the surface of the sodium ferrovanadium fluorophosphate material is coated with the carbon material, the molecular formula of the sodium ferrovanadium fluorophosphate material is Na3FeV (PO4) 2F3 or Na3FeVO2 (PO4) 2F, and the mass ratio of the sodium ferrovanadium fluorophosphate material to the carbon material is (9-10): 1. The method can effectively improve the problems of poor stability, poor conductivity and the like of sodium vanadium phosphate materials.

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Номер записи: 95
14-07-2023 дата публикации

Joint optimization method for second-hand product quality upgrading and guarantee period preventive maintenance

Номер: CN116433248A
Автор: ZHANG YINGZHI, ZHANG HAN, LIU JINTONG, HAN FENG, SONG MINQIAO, SUN MO
Принадлежит:

The invention relates to a second-hand product quality upgrading and guarantee period preventive maintenance joint optimization method. From the point of view of a dealer, an expected cost optimization model of a second-hand product is established, and a two-stage decision framework is developed; in the first stage, the second-hand product is subjected to quality upgrading after the past service life is ended; in the second stage, an aperiodic PM strategy with a fault rate threshold value is provided within the guarantee period, and PM is carried out when preventive maintenance is carried out when the product age reaches the fault rate threshold value and the number of PMs does not exceed the maximum limit; the quality upgrading level, the fault rate threshold value and the maximum PM number are used as variables to jointly formulate an optimal quality upgrading and preventive maintenance strategy, so that the expected cost of a dealer is minimized; according to the invention, the determination ...

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Номер записи: 96
07-04-2023 дата публикации

Protection device for parallel connection of master and slave machines of electronic load

Номер: CN115940083A
Автор: SHANG ZHENDONG, WANG XIAWEI, WU LEI, ZHANG HAN, LIANG QINGPING
Принадлежит:

The invention discloses a protection device for parallel connection of a master computer and a slave computer of an electronic load, the master computer and the slave computer are arranged in parallel, and the master computer and each slave computer are respectively connected with a protection device; the protection device performs state judgment by taking a corresponding host or slave detection signal, a communication response detection signal, an electronic load output detection signal and a parallel state detection signal as input signals; and the protection device performs state control on the electronic load and provides fault state detection through the fault output signal, the output closing signal and the load restart signal. Protection is carried out by detecting parallel communication data, the reliability of the electronic load in a parallel state can be improved, the load is closed in time when multiple fault states occur, and equipment and property are protected.

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Номер записи: 97
30-06-2023 дата публикации

Voucher information omission identification and processing method, system and medium

Номер: CN116362816A
Автор: XIE JILEI, ZHANG HAN, LI GENG, CHEN JIAJUN
Принадлежит:

The invention provides a certificate information omission recognition and processing method and system and a medium, and belongs to the technical field of data processing, and the method specifically comprises the steps: dividing a verification region of a certificate into an omission problem region and an error problem region, and determining an omission evaluation value of the omission problem region at least based on texture features and SURF features, determining the similarity between an error problem area and a target image through a Jaccard similarity coefficient and a Mahalanobis distance function when total analysis is not needed based on the omission probability, and determining the error problem area when total analysis is needed based on the similarity, the problem rate and the omission probability. OCR identification is performed on the voucher to obtain voucher characters, whether automatic correction is performed or not is determined, the invoicing verification amount of ...

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Номер записи: 98
06-06-2023 дата публикации

Physical sign information monitoring method, device and system based on ballistocardiogram

Номер: CN116211287A
Автор: CHEN PENGBIN, ZHANG HAN, PANG ZHIQIANG, HE WENNING
Принадлежит:

The invention relates to a physical sign information monitoring method, device and system based on a ballistocardiogram. The method comprises the steps that non-constraint passive detection is formed through a mattress composed of a plurality of sets of independent piezoelectric sensors to collect data, meanwhile, optimal signals are effectively selected through an effective optimal BCG heartbeat fusion signal selection and respiration signal selection algorithm to conduct heart rate and respiration calculation, the accuracy of heart rate and respiration calculation is improved, and the accuracy of heart rate and respiration calculation is improved. A real-time sleep staging fuzzy classification algorithm model is established through fusion calculation of each piece of physical sign data, the current sleep burial state of a user can be monitored more effectively and visually, and the sleep posture state in the sleep process is judged through hidden Markov model algorithm analysis, so that ...

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Номер записи: 99
21-07-2023 дата публикации

Solution concentration consistency detection method

Номер: CN116465838A
Автор: ZHANG HAN, JIN PINGYAN, LIU WEI, WEN WEILIANG, XIAO ZHIMING
Принадлежит:

The invention relates to a solution concentration consistency detection method, which comprises the following steps of: respectively acquiring spectral data of different color systems and different concentrations, reserving optimal spectral channel data of different color systems, training a nonlinear support vector machine regression model by the processed data, generating a model, predicting concentration values of different color systems of a mixed solution in a following cylinder by using the model, and determining the concentration consistency of the mixed solution according to the concentration difference. The gram weight and the water weight of each color system in the following vat are adjusted; according to the method, the optimal feature of each color system is efficiently identified by applying a variance filtering algorithm in feature engineering, the relationship between the concentration and the spectrum is efficiently fitted by applying a machine learning algorithm, a support ...

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Номер записи: 100