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Небесная энциклопедия

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

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Мониторинг СМИ

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

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Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 34. Отображено 34.
23-06-2023 дата публикации

Parameter optimization design method for tuning inerter eddy current damper

Номер: CN116305606A
Автор: LI YAFENG, TAN PING
Принадлежит:

The invention discloses a parameter optimization design method for a tuning inerter eddy current damper, and relates to the technical field of damper design, and the method comprises the following steps: S01, determining structural dynamic parameters; s02, calculating a target effective damping ratio of the structure according to the dynamic parameters of the structure; s03, calculating an inerter value, spring stiffness and a linear damping ratio according to the structural dynamic parameters and the target effective damping ratio; s04, assuming a critical speed; s05, calculating peak damping force according to the assumed critical speed, the structural dynamic parameters and the linear damping ratio; and S06, determining the conductor material and thickness of the tuning inerter eddy current damper according to the critical speed, and determining the specification and number of permanent magnets according to the peak damping force. According to the method, a parameter optimization formula ...

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Номер записи: 1
13-04-2021 дата публикации

Bundling and packaging equipment for circuit board

Номер: CN212951271U
Автор: ZENG YUAN, LI YAFENG, 曾媛, 李亚峰
Принадлежит: KUNSHAN SHUNHAO ELECTRONIC TECH CO LTD, KUNSHAN SHUNHAO ELECTRONIC TECHNOLOGY CO., LTD., 昆山顺灏电子科技有限公司

The bundling and packaging equipment comprises a fixing frame, a fixing clamping nozzle and a pressing rolling rod, the fixing clamping nozzle is fixedly installed on the outer surface of one end of the fixing frame, the inner surface of the other end of the fixing frame is movably connected with an elastic ejector rod in a sleeved mode, and the inner side of the elastic ejector rod is fixedly connected with a spring column in a sleeved mode. The elastic ejector rod and the fixing frame are elastically connected through a spring column, the compressing rolling rod is movably installed on the lower portion of the fixing clamping nozzle, the compressing rolling rod and the fixing clamping nozzle are fixed in a butt joint mode through two sets of connecting columns, and fixing clamping pins are arranged on the sides, close to the upper portions of the compressing rolling rod, of the connecting columns. The connecting column is fixedly connected with the fixed clamping nozzle through a fixed ...

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Номер записи: 2
02-06-2023 дата публикации

Elastic embedding method and elastic embedding device for cavity tissue

Номер: CN116202849A
Автор: CHEN JIANWEI, LI YAFENG, XIE RUIHENG, YUAN JING, LUO QINGMING
Принадлежит:

The invention discloses an elastic embedding method and an elastic embedding device for cavity tissue, and the embedding method comprises the following steps: S1, placing the cavity tissue and an agarose solution in a mold, then carrying out vacuum suction filtration on the mold, and in the vacuum suction filtration process, enabling the vacuum degree in the mold to change in a periodic pulse wave shape; s2, after vacuum filtration is finished, waiting for natural cooling and solidification of agarose, demolding and taking out to obtain an agarose-embedded sample block. In the embedding process, the vacuum degree in the mold changes in a periodic pulse wave shape, periodic instant impact force is provided by utilizing the accelerated speed generated by the periodic change of the wave shape, so that the agarose can better permeate into the cavity tissue, then solidification and shaping are performed, and compared with the prior art, the permeation effect is better, and the stability is better ...

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Номер записи: 3
18-07-2023 дата публикации

Analysis method for model fitting method in plastic thermal cracking process

Номер: CN116451476A
Автор: YIN FENGFU, LI YAFENG, LIU SHUO, ZHANG MINGYU, FAN FANGSHUO, TIAN XIAOLONG, WANG CHUANSHENG
Принадлежит:

The invention discloses an analysis method for a model fitting method in a plastic thermal cracking process, which comprises the following steps: 1) carrying out thermogravimetric experimental analysis on a waste plastic sample to obtain TG/DTG curves and data at various heating rates; 2) calculating the average activation energy value of the plastic sample in the thermal cracking process by using a model-free method; 3) substituting data obtained by numerical simulation analysis of the TG/DTG curve into a C-R equation to obtain an activation energy value corresponding to each model, and comparing the activation energy value with the value obtained by a model-free method; 4) finding the activation energy values of two models which are most similar to the activation energy value of the model-free method, and determining the minimum position interval of the average activation energy value; 5) finding the midpoint of the interval, calculating a corresponding activation energy value in the ...

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Номер записи: 4
14-07-2023 дата публикации

Vehicle control method, device and equipment and storage medium

Номер: CN116434608A
Автор: LIU LIU, LI YAFENG, CAI MEIFENG
Принадлежит:

The invention relates to the technical field of vehicles, and discloses a vehicle control method, device and equipment and a storage medium, and the method comprises the steps: obtaining the current moments when a plurality of UWB devices on a target vehicle respectively receive wireless carrier wave driving signals broadcasted by UWB devices of other vehicles; according to any two of the plurality of current moments, determining the time difference of the plurality of corresponding UWB equipment groups on the target vehicle for receiving the wireless carrier wave driving signals; determining the relative position between the UWB equipment on the target vehicle and the UWB equipment on other vehicles according to the position information of each UWB equipment on the target vehicle and the plurality of time differences; controlling the target vehicle according to the relative position; through the above mode, the wireless carrier wave driving signals broadcasted by the UWB devices of other ...

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Номер записи: 5
18-07-2023 дата публикации

Chip positioning method and device

Номер: CN116453997A
Автор: DU JUN, LI JUNJIE, CHEN YUANYUAN, ZHU QIANG, LI YAFENG, ZHOU JIANGUO
Принадлежит:

The invention belongs to the technical field of biological DNA synthesis, and particularly relates to a chip positioning method and device. The chip positioning method comprises the following steps: acquiring reference time when a mark line of a reference chip is scanned according to a preset scanning step; after replacing the reference chip with the to-be-processed chip with the mark line, acquiring first detection time when the mark line of the to-be-processed chip is scanned according to a preset scanning step; determining an angle compensation amount according to the reference time and the first detection time, and moving the to-be-processed chip according to the angle compensation amount; according to a preset scanning step, obtaining second detection time when the mark line of the to-be-processed chip is scanned; and determining a displacement compensation amount according to the reference time and the second detection time, and moving the to-be-processed chip according to the displacement ...

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Номер записи: 6
13-04-2021 дата публикации

Dispensing device for circuit board processing

Номер: CN212943782U
Автор: LI YAFENG, ZENG YUAN, 李亚峰, 曾媛
Принадлежит: KUNSHAN SHUNHAO ELECTRONIC TECH CO LTD, KUNSHAN SHUNHAO ELECTRONIC TECHNOLOGY CO., LTD., 昆山顺灏电子科技有限公司

The utility model discloses a dispensing device for circuit board processing, which comprises a bottom box and a fixing plate, support columns are respectively arranged at two ends of the top of the bottom box, the top ends of the two support columns are connected with two ends of the bottom surface of the fixing plate, sliding rods are respectively arranged at two ends in the fixing plate, and a screw rod is arranged between the two sliding rods. According to the circuit board dispensing device, the storage plate is conveyed to the position below the dispensing head, the piston rod in the storage plate is controlled by the hydraulic cylinder to move downwards, so that the dispensing head moves downwards, the circuit board is subjected to the dispensing effect, the output end of the second motor drives the rotating shaft to rotate, and when the rotating shaft rotates, the circuit board is driven to rotate. The rotating rod is driven by the motor to rotate, so that the rotating disc rotates ...

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Номер записи: 7
13-04-2021 дата публикации

Decontamination cleaning device for circuit board

Номер: CN212944231U
Автор: LI YAFENG, ZENG YUAN, 李亚峰, 曾媛
Принадлежит: KUNSHAN SHUNHAO ELECTRONIC TECH CO LTD, KUNSHAN SHUNHAO ELECTRONIC TECHNOLOGY CO., LTD., 昆山顺灏电子科技有限公司

The decontamination cleaning device comprises a fixed base, a dust collection box and a lifting supporting plate, the dust collection box is fixedly installed on the outer surface of the upper end of the fixed base, and the lifting supporting plate is fixedly installed on the side, close to the dust collection box, of the outer surface of the upper end of the fixed base. Two sets of butt joint clamping bolts are arranged on the inner side of the bottom of the lifting supporting plate, the lifting supporting plate is fixedly connected with the fixed base through the butt joint clamping bolts, the outer surface of the side edge of the lifting supporting plate is movably sleeved with a rotating chuck, the lifting supporting plate is internally and movably sleeved with a telescopic sleeve plate, and a lifting sliding groove is formed in the outer surface of the side edge of the telescopic sleeve plate. The telescopic sleeve plate is movably connected with a lifting supporting plate through ...

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Номер записи: 8
23-05-2023 дата публикации

Magnetic resonance gradient coil system

Номер: CN116148736A
Автор: HU LIANGLIANG, LIU YU, LIAO MINGZHAO, HU ZONGYUAN, LI YAFENG, XU JINZHANG, ZHAN HAOLIN
Принадлежит:

The invention discloses a magnetic resonance gradient coil system, and relates to the technical field of magnetic resonance manufacturing, the magnetic resonance gradient coil system comprises an inner tube and a plurality of layers of coil film bodies, each layer of coil film body is made of a base body and a coil layer embedded in the base body, and during equipment preparation, the number of layers of the coil film bodies is set according to a target size; performing size verification after primary preparation of a coil film body, and adjusting assembly parameters when an error size exceeds a set value; preparing each coil film body again and assembling under new assembling parameters, when the error size is larger than the target error and smaller than delta, averaging the error values to serve as an adjusting basis of the coil layer in the corresponding base body, reprocessing the coil film bodies, assembling under the same assembling parameters, and performing size verification again ...

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Номер записи: 9
04-08-2023 дата публикации

Course recommendation method based on hypergraph neural network

Номер: CN116541593A
Автор: SU ZHU, LI YAFENG, LIU-SAN NYUYA, YANG ZONGKAI
Принадлежит:

The invention belongs to the field of education digitization, and provides a course recommendation method based on a hypergraph neural network of interactive data of learners and course resources, which comprises the following steps: processing the obtained interactive data of the learners and the courses to obtain a course hypergraph containing a high-order relationship between the courses, representing a high-order relationship between courses for the course hypergraph by using a hypergraph convolutional neural network; performing node coding on the learner implicit social relation network by using a graph convolutional neural network, and performing weighted average on the embedded vectors obtained in each layer to obtain a final embedded vector of the learner; training the hypergraph convolutional neural network and the graph convolutional neural network; and respectively obtaining a learner embedded vector and a course embedded vector through the hypergraph convolutional neural network ...

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Номер записи: 10
08-08-2023 дата публикации

TM mode dielectric resonance mechanism

Номер: CN116565503A
Автор: LI YAFENG, LI YUN, LI XIAOJUN, ZHANG ZIJIE, LI SHIKANG, FENG GUOBAO
Принадлежит:

The TM mode dielectric resonance mechanism comprises a resonant cavity, an upper cover plate, an elastic cover plate, a TEM metal resonance column, a TM dielectric resonator and a fastening screw. The resonant cavity is of a square cavity structure, and the bottom of the resonant cavity is provided with a TEM metal resonant column; a limiting pit is arranged at the top of the TEM metal resonant column, a TM dielectric resonator is arranged in the resonant cavity body, and the outer diameter of the TM dielectric resonator is the same as the diameter of the limiting pit; the TM dielectric resonator is located between the TEM metal resonant column limiting pit and the elastic cover plate; the upper cover plate is fixed at the top of the resonant cavity through a fastening screw, so that the resonant cavity forms an electromagnetic closed environment; and the bottom surface and the top end of the TM dielectric resonator are both subjected to silvering treatment. Under the condition that the ...

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Номер записи: 11
23-06-2023 дата публикации

High-power cavity filter easy for 3D printing

Номер: CN116315539A
Автор: LI YUN, LI YAFENG, WANG QI, LI XIAOJUN
Принадлежит:

The invention discloses a high-power cavity filter easy for 3D printing. The high-power cavity filter comprises at least two spherical resonators and at least one coupling hole, every two adjacent spherical resonators are communicated through a coupling hole. Wherein the cross section of the coupling hole is closed, and the longitudinal section of the coupling hole is a through hole. According to the invention, the design that the spherical resonator is combined with the coupling hole is adopted, so that the non-tuning dual-mode design is realized, the micro-discharge effect caused by a traditional tuning structure and possible narrow spacing is avoided on the premise that the expected electrical performance is achieved, and the micro-discharge threshold is improved; a large coupling window structure is provided, narrow spacing and a tiny structure are avoided in the microwave component, and the micro-discharge threshold value is further improved; meanwhile, the technological characteristics ...

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Номер записи: 12
02-05-2023 дата публикации

Turning device for hard and brittle high-temperature-resistant materials

Номер: CN116038804A
Автор: ZUO JIABIN, HU HAITAO, LUO QIAN, HUANG HONG, DING XIANFEI, LI YAFENG
Принадлежит:

The invention discloses a turning device for hard and brittle high-temperature-resistant materials, which comprises a lathe main body, the lathe main body comprises a feeding assembly sliding along a first guide rail, a tool apron is arranged on the feeding assembly, and an auxiliary heating mechanism is further arranged on the feeding assembly. The auxiliary heating mechanism is used for preheating the to-be-machined surface of the workpiece. According to the turning device for the hard and brittle high-temperature-resistant material, the cutting force needed during cutting is reduced, surface cracks are not prone to being generated during cutting, the service life of a cutter is prolonged, the machining precision is easy to control, the quality of the machined surface is good, and the machining efficiency is high.

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Номер записи: 13
01-08-2023 дата публикации

Method for measuring high lanthanum content in high-alloying cobalt-based high-temperature alloy

Номер: CN116519779A
Автор: NIAN JIQIANG, CHEN DANNI, PENG LI, LI YAFENG, ZHANG HONGYU, PU YILONG
Принадлежит:

The invention relates to a method for measuring high lanthanum content in a high-alloying cobalt-based high-temperature alloy, which comprises the following steps of: preparing high-purity metal according to a central line in a main element component range in the cobalt-based high-temperature alloy, smelting and casting into a high-alloying alloy ingot, cutting the head, removing the tail and turning to prepare metal chips; the method comprises the following steps: dissolving lanthanum-free metal filings and a to-be-detected filings-shaped sample in the same acid solution, complexing easily-precipitated components by using a complexing agent to obtain a matrix solution, adding lanthanum standard solutions with different mass concentrations into the matrix solution, adding internal standard solutions with the same volume and mass concentration, and uniformly stirring to obtain a sample solution; and determining the calibration solution by using an ICP-OES (Inductively Coupled Plasma Optical ...

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Номер записи: 14
23-06-2023 дата публикации

Design method of high-power ferrite circulator with micro-bulges on surface

Номер: CN116315546A
Автор: LI YUN, FENG GUOBAO, LIU SHUO, LI YAFENG, LI XIAOJUN
Принадлежит:

The invention discloses a method for designing a high-power ferrite circulator with micro-bulges on the surface. The method comprises the following steps: processing to obtain a metal cavity with a boss; processing a plurality of bulges on the surface of the ferrite substrate to obtain ferrite with the bulges; and fixing the ferrite with the bulge on the boss of the metal cavity. According to the method disclosed by the invention, the micro-discharge threshold power of the ferrite circulator is remarkably improved on the premise of ensuring that the electrical property is not changed and the volume and the weight of the microwave component are not additionally increased.

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Номер записи: 15
06-07-2016 дата публикации

Colloidal gold immunoassay detection dish

Номер: CN0205374460U
Автор: SI YINGJIE, LIU LIN, LI MEI, YIN JUANJUAN, XIANG RONG, WANG HAO, ZHANG XIANGANG, ZHANG XIANQIANG, ZHU ZHENGYU, LI YAFENG
Принадлежит:

... 本实用新型提供的胶体金免疫检测盘包括样本室、液流通道、金室、引流垫、硝酸纤维素膜、吸水纸、阀门以及上盖组成，检测盘采用的高分子材料具有抗蛋白吸附特性，检测盘的样本室由三部分构成，上层为样本处理层，内壁有促凝剂，中间为可活动部分，顶部设有加样口，可活动部分可按压下沉至下层，下层通过液流通道与金室联通，金室内壁有标记了抗体或抗原的胶体金干粉，金室通过液流通道和阀门与引流垫联通，引流垫压住硝酸纤维素膜T线端，吸水纸压住硝酸纤维素膜C线端，硝酸纤维素膜上包被与标记抗体或抗原相匹配的抗体或抗原，一个检测盘可以有多个项目检测通道，各通道呈点对称排布，通道数量根据实际需求选择。 ...

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Номер записи: 16
18-08-2023 дата публикации

Method for improving ultraviolet stability of perovskite solar cell

Номер: CN116615076A
Автор: LI YAFENG, WEI MINGDENG, ZHU JINGWEI
Принадлежит:

The invention discloses a method for improving the ultraviolet stability of a perovskite solar cell, and belongs to the technical field of perovskite solar cell preparation. According to the technical scheme, a 4, 4 '-oxydibenzoic acid (OBBA) ultraviolet isolation layer with a certain thickness is prepared between a titanium dioxide electron transport layer and a perovskite light absorption layer of the perovskite solar cell. And the OBBA ultraviolet isolation layer is used for filtering ultraviolet rays and reducing the decomposition of titanium dioxide photocatalysis on the perovskite solar cell, so that the ultraviolet stability of the perovskite solar cell is improved. The highest efficiency of the OBBA-modified perovskite solar cell exceeds 22%, the stability of an OBBA-modified device is obviously improved under the irradiation intensity of 365 nm and 600 nm * cm <-2 >, and 81% of the initial efficiency of the OBBA-modified device is still retained after 64-hour irradiation. Therefore ...

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Номер записи: 17
13-04-2021 дата публикации

Collecting and transferring device for circuit board

Номер: CN212953008U
Автор: ZENG YUAN, LI YAFENG, 曾媛, 李亚峰
Принадлежит: KUNSHAN SHUNHAO ELECTRONIC TECH CO LTD, KUNSHAN SHUNHAO ELECTRONIC TECHNOLOGY CO., LTD., 昆山顺灏电子科技有限公司

The utility model discloses a collecting and transferring device for a circuit board, which is characterized in that a circuit board conveying belt is arranged on a device rack, a support frame is fixedly arranged on the device rack and is parallel to the circuit board conveying belt, a transverse driving mechanism is fixedly arranged on the support frame, and the transverse driving mechanism is fixedly arranged on the support frame. The transverse driving mechanism comprises a driving bracket, a driving motor, a screw rod and a sliding seat; wherein a plurality of groups of placing grooves are uniformly formed in the placing frame, the driving support is fixedly arranged on the supporting frame, the driving support and the supporting frame are arranged in parallel, a coupling is fixedly arranged at one end of the driving support, and the driving motor is fixedly arranged on the coupling. The circuit boards can be separately stored in the placement grooves formed in the placement frame, ...

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Номер записи: 18
04-07-2023 дата публикации

Phase difference-based iridium opportunity signal Doppler frequency fine estimation method

Номер: CN116381757A
Автор: LUO RUIDAN, LI YAFENG, YIN JIAQI, YANG GUANG, LI YAPING, YU FENGZHENG
Принадлежит:

The invention provides an iridium opportunity signal Doppler frequency fine estimation method based on phase difference. The method specifically comprises the following steps: step 1, carrying out band-pass filtering and continuous wave signal positioning; step 2, performing Doppler frequency shift rough estimation; and step 3, Doppler frequency shift fine estimation is carried out by adopting a phase difference method. The method has the advantages of being small in calculation amount, high in processing speed and short in consumed time, satellite-dependent opportunity signals can be rapidly and accurately processed, Doppler frequency shift accurate estimation is carried out, and then user position information is calculated.

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Номер записи: 19
30-05-2023 дата публикации

Question generation method and system based on knowledge enhancement and double-graph interaction

Номер: CN116186216A
Автор: GUO WENZHONG, CHEN YUZHONG, LIU ZHANGHUI, LI YAFENG
Принадлежит:

The invention relates to a question generation method based on knowledge enhancement and double-graph interaction, and the method comprises the following steps: A, collecting context sentences and corresponding question and answer pairs, and constructing a training data set DR for question generation; b, using the training data set DR and the knowledge graph to train a deep learning network model T based on knowledge enhancement and a double-graph interaction network; and C, inputting the context sentences and the answers into the trained deep learning network model T, and outputting a generated question. The method and the system are beneficial to improving the accuracy of problem generation.

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Номер записи: 20
25-07-2023 дата публикации

Vehicle machine system, control method and control device thereof and storage medium

Номер: CN116483533A
Автор: CAI MEIFENG, LI YAFENG
Принадлежит:

The invention discloses an in-vehicle infotainment system, a control method and device thereof and a storage medium, and the method comprises the steps: monitoring the operation parameters of the in-vehicle infotainment system, the operation parameters comprising foreground application usage data, a processor occupancy rate and a memory occupancy rate; when the foreground application usage data, the processor occupancy rate and the memory occupancy rate meet preset conditions, determining that the in-vehicle infotainment system is in an idle state; and under the condition that the in-vehicle infotainment system is in an idle state, sending broadcast information, so that the background application program starts to operate according to the task list when receiving the broadcast information. According to the method, heavy background tasks can be operated in a peak shifting manner by using the idle time of the system, so that blockage and unsmoothness of foreground applications can be avoided ...

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Номер записи: 21
16-05-2023 дата публикации

Preparation method of calcium-lanthanum-cobalt ferrite magnet, calcium-lanthanum-cobalt ferrite magnet and application

Номер: CN116120049A
Автор: LIU HUI, WEI HANZHONG, QUAN XIAOKANG, XIE GUANGHUAN, ZHANG WENHAO, LI BINGSHAN, ZHANG PENGJIE, LI YAFENG, SUN WEI, WANG JIQUAN, WANG YONGQI, NIU HUIHUI, JIA LIYING, WANG QIAN
Принадлежит:

The invention provides a preparation method of a calcium-lanthanum-cobalt ferrite magnet, the calcium-lanthanum-cobalt ferrite magnet and application, and particularly relates to the technical field of permanent magnetic ferrite magnets. The general atomic formula of the calcium lanthanum cobalt ferrite magnet is Ca (1-x-y) SryLaxFe (2n-z) CozO19, the preparation method comprises the following steps: A, weighing iron oxide red, SrCO3, CaCO3, La2O3 and Co2O3 according to a proportion in an atomic general formula, and pre-sintering to obtain a pre-sintered material; and B, crushing the pre-sintered material, adding the crushed pre-sintered material and a sintering aid Al2O3 into a ball mill, crushing to prepare slurry, carrying out compression molding in a magnetic field to obtain a molded body, and sintering the molded body to obtain the calcium-lanthanum-cobalt ferrite magnet. The sintering aid introduced by the preparation method only contains Al2O3, the magnetocrystalline anisotropy field ...

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Номер записи: 22
04-04-2023 дата публикации

Straightening device based on differential roller set

Номер: CN115889510A
Автор: WEI YOU, WEI MINGQIANG, LI YAFENG, ZHAO QINGYU, HUANG WENFANG, WANG SHOUMENG
Принадлежит:

The invention relates to a straightening device based on differential roller sets. The straightening device comprises a driving device, a transmission device, a low-speed roller set, a high-speed roller set and a machine body. The driving device, the transmission device, the low-speed roller set and the high-speed roller set are all installed on the machine body. The mechanism is simple, under the condition that an additional straightening device is not provided, double straightening of rolling straightening and stretching straightening is achieved, the working efficiency and the machining accuracy are remarkably improved, the product quality is improved, the rejection rate is reduced to be smaller than 0.5%, and the machining technology is simplified.

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Номер записи: 23
06-07-2016 дата публикации

Multinomial joint inspection device of supplementary general sieve of breast cancer

Номер: CN0205374463U
Автор: SI YINGJIE, LI MEI, YIN JUANJUAN, LIU LIN, XIANG RONG, WANG HAO, ZHANG XIANGANG, ZHANG XIANQIANG, ZHU ZHENGYU, LI YAFENG
Принадлежит:

... 本实用新型的目的是设计开发出一种辅助乳腺癌普筛的多项联检装置。能够同时快速联合检测乳腺癌相关标志抗原CA153、CA199、CA125、CA549、CEA、HCG、TSGF、HER2-ECD，该联检装置由2个试纸条、一个卡壳组成，试纸条1对CA153、CA199、CA125、CA549进行检测，在第一检测视窗中观察判读，试纸条2对CEA、HCG、TSGF、HER2-ECD进行检测，在第二检测视窗中判读，将试纸条放入一个卡壳中，卡壳上有一个加样孔进行加样，同时检测八种乳腺癌的标志物，具有高效、省时、操作简单、灵敏度高、特异性好等特点。 ...

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Номер записи: 24
13-06-2023 дата публикации

Chemical polishing waste acid recovery treatment method

Номер: CN116253469A
Автор: ZHOU BING, LI YAFENG, QIU QI, HUANG QI
Принадлежит:

The invention discloses a chemical polishing waste acid recovery treatment method. The chemical polishing waste acid recovery treatment method comprises the following steps: adding waste acid in a chemical polishing recovery tank into a filter, and filtering to obtain raw acid liquid; adding the raw acid solution into an anionic membrane diffusion dialyzer for pretreatment to obtain a first finished acid solution and a first waste acid solution; adding the first waste acid solution into a nanofiltration system, and removing aluminum to obtain a second finished acid solution and a second waste acid solution; adding the first finished acid solution and the second finished acid solution into a normal-temperature evaporator for evaporation and concentration; and collecting the evaporated and concentrated solution to obtain the final finished acid. According to the method, aluminum ions in the chemical polishing stock solution can be effectively removed, the quality of the recycled acid solution ...

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Номер записи: 25
29-08-2023 дата публикации

Network security intelligent evaluation method and system

Номер: CN116668095A
Автор: ZHOU JIHU, LI YAFENG
Принадлежит:

The invention provides a network security intelligent assessment method and system, and belongs to the technical field of network data processing, and the method comprises the steps: carrying out the tag classification of network risk data of one party based on a network risk tag library, obtaining network risk tag set information, carrying out the clustering analysis of the network risk tag set information, and obtaining network risk data clustering information; training the network risk data clustering information to obtain a network security analysis model of one party; performing model distributed training based on the multi-party network risk data to obtain a multi-party network security analysis model; performing joint training on the one-party network security analysis model and the multi-party network security analysis model to obtain a network security analysis model; and performing network security evaluation on the target system based on the network security analysis model. According ...

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Номер записи: 26
04-04-2023 дата публикации

Flow dividing device and flow reactor

Номер: CN115888619A
Автор: DU JUN, CHEN YUANYUAN, ZHU QIANG, LI YAFENG, LI GANG, WAN JIE
Принадлежит:

The invention relates to a flow dividing device and a flow reactor, and belongs to the technical field of microfluid control. The shunting device comprises a liquid inlet pipe; the liquid inlet pipe is communicated with the liquid inlet pipe, the flow dividing pipe set is provided with a liquid inlet and a plurality of first liquid outlets, the liquid inlet is communicated with the liquid inlet pipe, and the flow dividing pipe set is used for dividing fluid entering the liquid inlet from the liquid inlet pipe into the first liquid outlets; wherein all the first liquid outlets are distributed on a first circumference with the liquid inlet as the circle center, and the first flowing distances of fluid in the flow dividing pipe set flowing from the liquid inlet to all the first liquid outlets are the same. The flow of fluid flowing out of each first liquid outlet of the flow dividing device is the same, so that the fluid can be effectively and uniformly dispersed.

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Номер записи: 27
06-07-2016 дата публикации

Fluorescent quantitation of early inflammatory reaction jointly detects card

Номер: CN0205374467U
Автор: LIMEI, XIANGRONG, ZHANGXIANGANG, ZHANGXIANQIANG, ZHUZHENGYU, SIYINGJIE, WANGHAO, LIULIN, YINJUANJUAN, LIYAFENG
Принадлежит:

... 本实用新型提供一种早期炎症反应的荧光定量联合检测卡，检测卡由试纸条和卡壳组成，试纸条由PVC板、上样垫、荧光垫、硝酸纤维素膜、吸水纸、保护膜组成。用150nm荧光微球分别标记血清淀粉样蛋白A、降钙素原、C反应蛋白的单克隆抗体1，冻干到玻璃纤维素膜上制成荧光垫，硝酸纤维素膜上分别包被血清淀粉样蛋白A、降钙素原、C反应蛋白的单克隆抗体2，作为检测线（T1、T2、T3线），包被羊抗鼠作为质控线（C线）。将试纸条放入一个卡壳中，卡壳上有一个加样孔进行加样，同时检测三种早期炎症反应的标志物，然后进行检测用荧光判读仪定量判读。本检测卡具有高效、省时、操作简单、灵敏度高、特异性好等特点。 ...

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Номер записи: 28
17-08-2021 дата публикации

Single-test-tube nucleotide amplification kit

Номер: CN113264264A
Автор: LI YAFENG, 李亚峰
Принадлежит:

The invention relates to the field of kits, in particular to a single-test-tube nucleotide amplification kit. The single-test-tube nucleotide amplification kit comprises a plurality of sleeve pieces, supporting plates and a wrapping object and further comprises folding supports, wherein the sleeve pieces abut against the peripheral surfaces of test tubes; the number of the supporting plates is the same as that of the sleeve pieces, the supporting plates and the sleeve pieces are arranged under the sleeve pieces in a one-to-one correspondence mode, and the supporting plates abut against the bottoms of the test tubes; the wrapping object wraps the outer sides of the sleeve pieces and the supporting plate; the folding supports are arranged on the inner side of the wrapping object, the number of the folding supports is at least two, the sleeve pieces are installed on one of the two folding supports, and the supporting plate is installed on the other one of the two folding supports; and as the ...

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Номер записи: 29
14-07-2023 дата публикации

Crusher

Номер: CN116422399A
Автор: LI YAFENG, LI SHAOKUI, WU DEGONG, WU XIAOQIANG, SI FAJUN
Принадлежит:

The invention discloses a crusher, and relates to the field of ore crushing, the crusher comprises a crusher box body, the top of the crusher box body is provided with a feeding port for ore input, the side edge of the bottom of the crusher box body is provided with a discharging port for ore output, and the side, away from the discharging port, of the crusher box body is provided with a water inlet main pipe and a water inlet branch pipe; a protective sleeve is fixedly and additionally arranged outside the hydraulic cylinder barrel, and a lower end opening of the protective sleeve extends out of a barrel opening of the hydraulic cylinder barrel, so that a certain protective effect is achieved between the barrel opening and the hydraulic push rod; and meanwhile, through the straight sleeve ring capable of rotating between the hydraulic push rod and the protective sleeve, ore disintegrating slag and a mud-water mixture can be effectively prevented from moving to the opening of the hydraulic ...

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Номер записи: 30
06-07-2016 дата публикации

Ration jointly detects kit of miocardial infarction

Номер: CN0205374466U
Автор: SI YINGJIE, YIN JUANJUAN, LI MEI, LIU LIN, XIANG RONG, WANG HAO, ZHANG XIANGANG, ZHANG XIANQIANG, ZHU ZHENGYU, LI YAFENG
Принадлежит:

... 本实用新型涉及一种定量联合检测心肌梗塞的试剂盒，能同时定量检测肌红蛋白（Myo）、心型脂肪酸结合蛋白（h-FABP）、肌酸激酶同工酶（CK-MB）和肌钙蛋白I（cTnI）四项心肌指标，包含检测卡和读数仪，其中检测卡由外部的塑料卡壳和置于内部的2条胶体金试纸条组成，一条为肌红蛋白（Myo）、心型脂肪酸结合蛋白（h-FABP）试纸条，另一条为肌酸激酶同工酶（CK-MB）、肌钙蛋白I（cTnI）试纸条。本实用新型试剂盒具有检测速度快，操作简洁，成本低，重复性好，适用性强的特点。 ...

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Номер записи: 31
27-07-2016 дата публикации

Two high mound binders of limb of removable shock attenuation power consumption type

Номер: CN0205399188U
Автор: LI YONG, LI YAFENG, AN RUIMEI
Принадлежит:

... 本实用新型公开了种可更换减震耗能型双肢高墩系梁，涉及桥梁结构抗震与减震技术领域，包括刚杆和刚杆两端的连接结构，连接结构包括转板、耳板和端板，端板与两侧的双肢高墩固定连接，耳板焊接在端板的板面上，转板端与刚杆焊接，另端通过同心轴与耳板连接，在耳板与转板相接触的面上围绕同心轴设有圆环形的凹槽，在转板与耳板相接触的面上沿着凹槽的圆周方向均匀设有多个槽孔，槽孔与凹槽相互连通，在凹槽和槽孔内灌注有凝固成个整体的软铅。本系梁可以代替传统上使用的钢筋混凝土系梁，不仅可以降低桥墩的计算高度、提高静力稳定性,也可以在地震中进行耗能，提高桥墩的抗震能力，震后易更换。 ...

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Номер записи: 32
22-08-2023 дата публикации

Risk prediction method and system for network security

Номер: CN116633608A
Автор: ZHOU JIHU, LI YAFENG
Принадлежит:

The invention provides a risk prediction method and system for network security, and relates to the technical field of data processing, and the method comprises the steps: calling a plurality of network alarm events to build an alarm event library, carrying out the risk tracing of the alarm events to generate an alarm factor matrix, carrying out the mapping analysis through combining a plurality of alarm situations, generating a situation causal chain, and building a risk prediction model. A risk prediction result is determined based on real-time network operation data, risk management and control of network operation are carried out, and the problems that in the prior art, due to the fact that a traditional network security risk prediction method is single in prediction criterion and insufficient in connection and combination degree between operation situations, the prediction result is insufficient in completeness, not timely and not accurate enough, and the risk management and control ...

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Номер записи: 33
06-06-2023 дата публикации

Plastic particle two-stage cleaning device and cleaning fluid recycling method

Номер: CN116214771A
Автор: YIN FENGFU, LI YONG, LIU SHUO, LI YAFENG, ZHANG MINGYU
Принадлежит:

The invention discloses a plastic particle two-stage cleaning device and a cleaning fluid recycling method. The device comprises a plastic particle storing and discharging device, a spiral conveyor device and a cleaning fluid recycling and cleaning device which are connected through connecting parts. A rotary discharging valve is arranged in the square discharging barrel, and the rotating speed of the rotary discharging valve is adjusted and controlled by a variable-frequency and variable-speed motor a; the spiral conveyor device comprises a spiral cylinder, a spiral, a variable-frequency and variable-speed motor c and the like, the spiral is driven by the variable-frequency and variable-speed motor c to rotate through a belt pulley, and a variable-frequency and variable-speed motor b is fixed above the spiral cylinder; the cleaning fluid recycling method is achieved through a cleaning fluid pool, a cleaning fluid conveying pipe, a circulating booster pump, a variable-frequency and variable-speed ...

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Номер записи: 34