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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 44. Отображено 44.
28-04-2023 дата публикации

Voiceprint data standardized acquisition method and system based on power transformation equipment

Номер: CN116032996A
Автор: QIU ZHEN, JIN MIN, BAI JINGPO, LI XIAONING, LU DAWEI, HUANG XIAOGUANG, WANG XINGTAO, ZHANG XIAOHANG, XU FAN
Принадлежит:

The invention provides a power transformation equipment-based voiceprint data standardized acquisition method and system, and relates to the technical field of power transformation equipment. A voiceprint acquisition device establishes MQTT connection with a server; the server sends a collection control instruction to the voiceprint collection device based on an MQTT protocol; the voiceprint collection device receives the collection control instruction, collects voiceprint data of the power transformation equipment, processes the voiceprint data and then sends the voiceprint data to the server; the server carries out analysis based on the voiceprint data transmitted by the voiceprint acquisition device and extracts original audio data; and the server sends a stop instruction based on the MQTT protocol, the voiceprint collection device stops collecting the voiceprint data, the communication connection is disconnected, and transmission of the voiceprint data is terminated. According to the ...

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Номер записи: 1
06-06-2023 дата публикации

Transfer learning method and device based on adaptive parameter isolation, terminal and medium

Номер: CN116227581A
Автор: TIAN YONGHONG, CHEN JIE, GAO WEN, XU FAN, ZHANG CHI
Принадлежит:

The invention discloses a transfer learning method and device based on adaptive parameter isolation, a terminal and a medium, and the method comprises the steps: obtaining a statistical mean value and a statistical variance of a current source domain in each channel, and obtaining a statistical mean value and a statistical variance of a target domain in each channel; calculating a channel suppression sensitive factor according to the statistical mean value and the statistical variance of the current source domain and the statistical mean value and the statistical variance of the target domain; and determining a target function of adaptive parameter isolation according to the channel suppression sensitive factor, and performing domain adaptive transfer learning according to the target function of adaptive parameter isolation. According to the method, interference of different source domains is remarkably reduced in increment domain self-adaption through self-adaption parameter isolation, ...

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Номер записи: 2
18-04-2023 дата публикации

Transfer learning method and device based on domain pair association

Номер: CN115983375A
Автор: TIAN YONGHONG, CHEN JIE, GAO WEN, XU FAN, ZHANG CHI
Принадлежит:

The invention provides a transfer learning method and device based on domain pair association, and the method comprises the steps: obtaining a source domain sample image when a target domain sample image and a category label corresponding to the target domain sample image are received; constructing a feature relation graph between the target domain sample image and the source domain sample image to obtain a feature similar image pair; inputting the feature similar image pair into a pre-trained continuous domain adaptive model, taking a category label corresponding to the target domain sample image as supervision information, taking a preset learning target based on a feature cross-correlation matrix as an optimization target, and carrying out transfer learning on the continuous domain adaptive model; and inputting the target image of the target domain into the continuous domain adaptive model which completes transfer learning to obtain a prediction result. According to the method, comparative ...

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Номер записи: 3
06-06-2023 дата публикации

Sign language translation glove control method and system

Номер: CN116225224A
Автор: XU FAN, YANG YIFENG, YAN KEYU, YE JIHUA, ZHOU PING, WANG MINGWEN
Принадлежит:

The invention discloses a sign language translation glove control method and system.The control method comprises the following steps that after a processing end receives gesture data, the gesture data and gestures corresponding to sign language corpus data are directly recognized, and the gestures, not corresponding to the sign language corpus, of the gesture data are stored in the sign language corpus; and the sign language meaning represented by the section of gesture data is judged based on a training model in a mode of mutually combining videos and sensors. According to the gesture recognition method and device, the recognition state is started after the starting gesture made by the user is recognized, so that the situation that the glove misjudges the gesture when the user makes unrelated gestures when wearing the glove is avoided, and in the gesture recognition process, the gestures, which do not correspond to the sign language corpus, in the gesture data are stored in the sign language ...

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Номер записи: 4
18-08-2023 дата публикации

Design method of truss base structure based on structure main stress trace

Номер: CN116611281A
Автор: GAO GE, XU FAN, XU JIANGMIN, WU YUMEI
Принадлежит:

The invention discloses a truss base structure design method based on a structure main stress trace. The method comprises the following steps that a truss base structure design domain and boundary conditions are determined; performing finite element division and solution on the design domain to obtain a node stress tensor; decomposing the stress tensor eigenvalue, and determining a principal stress value and direction; correcting the principal stress direction of the unit node; carrying out Delaunay triangulation on an existing grid, and carrying out interpolation calculation on a principal stress direction of any point in a unit; selecting starting points of a tensile stress trace and a compressive stress trace; drawing a tensile stress trace and a compressive stress trace; calculating coordinates of intersection points of all the main stress traces; the intersection points serve as rod piece nodes, and base structure rod piece connection is established; according to the method, the technical ...

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Номер записи: 5
27-06-2023 дата публикации

Design method for constructing irregular-shaped truss base structure based on discrete approximate boundary

Номер: CN116341316A
Автор: GAO GE, XU FAN, XU JIANGMIN, WU YUMEI
Принадлежит:

The invention discloses a design method for constructing an irregular-shaped truss base structure based on discrete approximate boundaries. The design method comprises the following steps: determining a design area of the truss base structure; performing finite element grid division on the design domain; extracting node coordinate information of all unit grids of the design domain; the grid nodes serve as rod piece end points, and a full-connection truss base structure is constructed; performing offset operation on the concave interval of the design domain to obtain an offset curve; performing one-dimensional grid division on the offset curve, and connecting adjacent nodes to form a continuous line segment set; taking the rod pieces in the full connecting base structure as line segments, and judging the intersection condition of the line segments and the offset continuous line segment set to perform rod piece deletion; the truss base structure with all the rod pieces located in the design ...

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Номер записи: 6
15-12-2016 дата публикации

SULFONIC ACID INNER SALT COMPOUND OF AMIDINE AND PREPARATION METHOD THEREFOR

Номер: WO2016197398A1
Автор: XU, Fan, FANG, Wuwei, YAO, Zhigang
Принадлежит:

Disclosed are a sulfonic acid inner salt compound of amidine and a preparation method therefor. The product of a sulfonic acid inner salt of amidine is obtained and synthesized by adopting an o-aminobenzenesulfonyl chloride compound and an amide as reactants and stirring same for reaction. The synthesis method for a sulfonic acid inner salt compound of amidine disclosed by the present invention is easy to operate, and has mild reaction conditions, a relatively good yield and general applicability to various amides, needs no reaction solvent, and causes little environmental pollution; the adopted raw materials have extensive sources and are easy to obtain; the synthesis process is simple and controllable, and has strong actual operability; the reaction is good in atom economy, the only by-product is a hydrogen chloride gas which is easy to absorb or recycle; and the synthesis method is suitable for large, medium and small scale synthesis, and has a potential for industrial application.

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Номер записи: 7
06-02-2020 дата публикации

METHOD FOR PREPARING CYCLOPENTADIENYL CHROMIUM COMPOUND

Номер: WO2020024100A1
Автор: XU, Fan, LI, Dandan, DING, Xiaoyou, ZHU, Yanan, YAO, Zhigang
Принадлежит:

The present invention discloses a method for preparing a cyclopentadienyl [c] chromium compound wherein a cationic rare earth compound [Ln(CH)3CN)9]3+[(A1C14)3]3–•CH3 CN is used as a catalyst, and methyl thiophenol is used as an accelerator for a catalytic reaction of a chalcone compound so as to prepare a product; and Ln, contained in the catalyst, represents a positive trivalent rare earth metal ion and is selected from one of La, Nd, Sm, Gd and Yb. According to the method, the raw materials are easy to obtain, the reaction process is simple, the catalyst dosage is low, the catalyst is universally applicable to various substituted 2-hydroxy chalcones, and the obtained cyclopentadienyl [c] chromium compound is unreported. The catalyst synthesis method is simple and easy to obtain, the target product shows a high yield.

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Номер записи: 8
23-07-2020 дата публикации

BATTERY PACKAGING MATERIAL, AND BATTERY

Номер: WO2020147469A1
Автор: LU, Lun, XU, Fan, XIE, Fengchao
Принадлежит:

A battery packaging material, which simultaneously has dual fire protection properties, i.e., high temperature resistance and flame retardancy, and thus has a strong fire protection function. The battery packaging material is provided with a protection layer (1), a metal layer (2), and a packaging layer (3) from the outside to the inner side. A first high temperature resistant layer (41) is provided between the metal layer (2) and the protection layer (1). A second high temperature resistant layer (42) is provided between the metal layer (2) and the packaging layer (3). A flame retardant layer (51) is provided above the protection layer (1), or between the protection layer and the metal layer (2), or between the metal layer (2) and the packaging layer (3), or below the packaging layer (3).

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Номер записи: 9
17-11-2016 дата публикации

HBASE SECOND-LEVEL INDEX CREATION METHOD AND DEVICE

Номер: WO2016180123A1
Автор: XU, Fan
Принадлежит:

An HBase second-level index creation method, comprising the steps of: creating a second-level index table corresponding to a primary table according to pre-set rules, wherein the second-level index table comprises column values corresponding to the primary table; and according to an operation performed on the primary table in advance, performing a corresponding operation in the second-level index table, so that the column values in the second-level index table are ordered according to the pre-set rules. The above-mentioned method implements the ordering of the column values in the second-level index table in a certain order, thereby improving the retrieval speed.

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Номер записи: 10
06-02-2020 дата публикации

CYCLOPENTADIENYL CHROMIUM COMPOUND AND PREPARATION METHOD THEREFOR

Номер: WO2020024099A1
Автор: XU, Fan, DING, Xiaoyou, LI, Dandan, ZHU, Yanan, YAO, Zhigang
Принадлежит:

The present invention discloses a cyclopentadienyl [c] chromium compound and a preparation method therefor wherein a cationic rare earth compound [Ln(CH)3CN)9]3+[(AlCl4)3]3–•CH3 CN is used as a catalyst, and a 2-naphthol is used as an accelerator for a catalytic reaction of a chalcone compound so as to prepare a product; and Ln, contained in the catalyst, represents a positive trivalent rare earth metal ion and is selected from one of La, Nd, Sm, Gd and Yb. According to the method, the raw materials are easy to obtain, the reaction process is simple, the catalyst dosage is low, the catalyst is universally applicable to various substituted 2-hydroxy chalcones, the obtained cyclopentadienyl [c] chromium compound is unreported. The catalyst synthesis method is simple and easy to obtain, the target product shows a high yield and can reach 85%.

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Номер записи: 11
30-07-2020 дата публикации

BATTERY AND METHOD FOR PACKAGING SAME, AND TERMINAL

Номер: WO2020151392A1
Автор: LU, Lun, HONG, Da, LIANG, Jiahua, XU, Fan, XIE, Fengchao
Принадлежит:

Provided are a battery packaging method and a battery. The battery (100) comprises a bare cell (11) and a packaging film (12), wherein an edge of the bare cell (11) comprises at least one first opening space (120), the first opening space (120) penetrates the bare cell (11) in a thickness direction thereof, and there is no bare cell (11) at the first opening space (120); the packaging film (12) encloses a closed space for accommodating the bare cell (11), the packaging film (12) forms a first sealing part (121) at the first opening space (120), and the first sealing part (121) does not cover the bare cell (11); and the first sealing part (121) and the packaging film (12) on a side wall of the first opening space (120) enclose a second opening space (140), and the first opening space (120) partially coincides with the second opening space (140). According to the battery, on the basis that the shape flexibility of the battery is maintained, the number of cutting and flanging operations on ...

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Номер записи: 12
26-05-2023 дата публикации

Novel laying hen feed and application thereof

Номер: CN116158491A
Автор: LIU XIANGQIAN, HUANG PENG, XU FAN, SONG XIONGHUI, WANG ZHAOMING, FU YUE
Принадлежит:

The invention discloses novel laying hen feed and application thereof, and relates to the field of feed. The novel laying hen feed additive comprises the following raw material components in parts by weight: 15-35 parts of radix astragali, 10-35 parts of marigold, 10-40 parts of fructus gardeniae, 5-15 parts of fructus chebulae, 5-15 parts of pericarpium citri reticulatae, 5-20 parts of alfalfa and 5-15 parts of semen cuscutae. When the novel laying hen feed additive is added into a basic ration of laying hens, the egg weight, the egg shape index, the yolk color and the eggshell thickness can be improved, inflammation is inhibited, and the flora diversity in small intestines of fed poultry and the flora abundance of probiotics are remarkably improved. According to the novel laying hen feed additive, the production performance of laying hens can be improved, the egg quality can be improved, an antibiotic-free breeding method for the laying hens is provided, more environment-friendly and ...

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Номер записи: 13
02-05-2023 дата публикации

Welding device of magnetic control oil level sensor

Номер: CN116038116A
Автор: FAN LINGANG, WU FENG, XU FAN
Принадлежит:

The invention relates to a welding device for a magnetic control oil level sensor. The welding device comprises a rack, a laser welding machine and a welding auxiliary device, the welding auxiliary device comprises a supporting plate arranged on the rack, an angle adjusting plate with an adjustable inclination angle is arranged on the supporting plate, a rotating device is arranged on the left supporting bracket, a flange placement block capable of rotating along with the rotating device is arranged on the rotating device, and a flange placement groove matched with a flange is formed in the end part of the outer side of the flange placement block; a clamping air cylinder is arranged on the right supporting support, a positioning block is arranged on a piston portion of the clamping air cylinder, and a positioning groove matched with the guide rod is formed in the positioning block. The problems that a guide rod and a flange in an existing magnetic control oil level sensor are welded through ...

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Номер записи: 14
28-04-2023 дата публикации

Steering multi-device combined hoisting method for large liquid tank of gas ship

Номер: CN116022637A
Автор: LI CHUANJIANG, XU FAN, LAN MINDONG
Принадлежит:

The invention discloses a steering multi-equipment combined hoisting method for a large liquid tank of a gas ship. The hoisting process comprises the following specific steps: preparation work: preparing a slipway, an assembly site, a barge, a flat car, a gantry crane, a sling and a lifting hook; lifting hooks comprise a first lifting hook, a second lifting hook and a third lifting hook, the third lifting hook is hooked on the gantry crane and is connected with a cross supporting beam through a sling, and the first lifting hook and the second lifting hook are arranged on the cross supporting beam through slings; hoisting: hooking a first lifting hook and a second lifting hook on the tank body, horizontally hoisting the tank body to a flat car by a gantry crane, supporting the tank body by the flat car, loosening the first lifting hook and the second lifting hook, rotating and correcting the tank body, re-hooking the first lifting hook and the second lifting hook, integrally hoisting, and ...

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Номер записи: 15
26-05-2023 дата публикации

Intelligent reflecting surface optimization method, device and system, medium and program product

Номер: CN116170040A
Автор: SHEN MING, XU FAN, YAO JIAWEI, LAI WENHAI, LI XIN, CHEN XIN, LUO ZHIQUAN
Принадлежит:

The invention discloses an intelligent reflecting surface optimization method, device and system, a medium and a program product, and belongs to the technical field of wireless communication. The method comprises the following steps: receiving an optimization instruction for a target intelligent reflecting surface sent by a sequence coordinator; performing optimization processing on the phase shift array of the target intelligent reflecting surface based on the optimization instruction, and keeping the phase shift arrays of other intelligent reflecting surfaces in the plurality of intelligent reflecting surfaces unchanged in the process of performing optimization processing on the phase shift array of the target intelligent reflecting surface; and sending optimization completion information to the sequence coordinator to instruct the sequence coordinator to send an optimization instruction for the next intelligent reflecting surface based on the optimization sequence, or instruct the sequence ...

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Номер записи: 16
18-07-2023 дата публикации

Ground source heat pump system

Номер: CN116447638A
Автор: XU FAN, CHEN PEI, LIANG LEIXIN, WANG CHAOLONG, XU WANTING
Принадлежит:

The invention belongs to the technical field of ground source heat pump engineering, and discloses a ground source heat pump system which comprises a water segregator, a water collector, buried pipes, first switch valves and a first detection mechanism, the multiple buried pipes are independent of one another and connected between the water collector and the water segregator in parallel, the two ends of each buried pipe are each provided with one first switch valve, and the first switch valves are connected with the first detection mechanism. Each buried pipe is provided with at least one first detection mechanism, the first detection mechanism is used for detecting the leakage condition of the buried pipe, and when a certain buried pipe leaks, the leakage condition can be obtained through the first detection mechanism on the buried pipe; and the leaked buried pipe is cut off and isolated in time by closing the corresponding first switch valve, so that further leakage can be prevented, ...

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Номер записи: 17
06-06-2023 дата публикации

Method for establishing multi-element fingerprint spectrum of polygonatum sibiricum-based original species

Номер: CN116223703A
Автор: ZHANG YAZHONG, PU JINGZHE, HU CHONG, DIAO ZHUO, XU FAN
Принадлежит:

The invention provides a method for establishing a multi-element fingerprint spectrum of polygonatum sibiricum-based original species. The establishment method of the fingerprint spectrum comprises the following steps: (1) preparing a reference substance solution; (2) preparing a test solution; and (3) establishing a fingerprint spectrum. The method disclosed by the invention is combined with an HILIC-HPLC-ELSD zymolyte fingerprint spectrum, and a multiple fingerprint spectrum for evaluating the quality of the polygonatum polysaccharide (PCP) is established. Similarity evaluation on 34 batches of polygonatum sibiricum polysaccharides from different sources shows that the polygonatum sibiricum polysaccharides are obtained. A chemometrics method, including HCA, PCA and PLS-DA, is adopted to fuse, process and analyze chromatographic data of various PCPs. The method is good in separation degree, good in peak shape and high in resolution.

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Номер записи: 18
29-12-2016 дата публикации

CYCLOPROPYL PHOSPHATE PREPARATION METHOD

Номер: WO2016206028A1
Автор: XU, Fan, GE, Tian, ZHOU, Panpan, YAO, Zhigang
Принадлежит:

A cyclopropyl phosphate preparation method uses n-butyllithium to promote a reaction of diethyl phosphite with α, β-unsaturated ketones, and synthesizes cyclopropyl phosphonic acid via one-pot synthesis. Compared to the existing methods, the method in the present invention has a high target product yield rate up to 95%, uses a relatively small amount of bases, and has a simple post-reaction treatment. The method also has favorable stereoselectivity for the obtained cyclopropyl phosphate with the de value > 99%, and has universality for various substituted α, β-unsaturated ketones.

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Номер записи: 19
04-08-2023 дата публикации

Portable installation structure of network information security protection device

Номер: CN116534427A
Автор: LI WENJUN, LI ZHUCHENG, XU FAN, JIANG LANG
Принадлежит:

The invention discloses a convenient installation structure of a network information safety protection device, the convenient installation structure comprises a transportation installation box, a door body and fixing plates, the door body is rotatably connected to one side of the transportation installation box, and the inner side of the transportation installation box is uniformly and fixedly connected with the four fixing plates; the three second mounting boxes are arranged, one second mounting box is arranged between every two adjacent fixing plates, and the second mounting boxes are connected with the fixing plates in a sliding mode; and the positioning mechanisms are arranged on the inner sides of the second mounting boxes correspondingly, and each positioning mechanism comprises a supporting plate. During specific use, the computer is positioned and fixed in the vertical direction through the positioning mechanism, the computer is positioned and fixed in the horizontal direction through ...

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Номер записи: 20
11-04-2023 дата публикации

Negative plate and battery comprising same

Номер: CN115954436A
Автор: XU FAN, CHEN HUI, LIU JING, YANG HONGXIN
Принадлежит:

The invention provides a negative plate and a battery comprising the same. The negative plate comprises a negative current collector, a lower negative material layer and an upper negative material layer, wherein the lower negative material layer is coated on the negative current collector and is in contact with the negative current collector; the upper negative material layer is in contact with the lower negative material layer and is far away from the negative current collector; through the design of the upper layer and the lower layer, the upper layer adopts graphite of which the dispersion degree of particle size distribution is less than or equal to 0.8, the lower layer adopts natural graphite and graphite of which the dispersion degree of particle size distribution is less than or equal to 0.8, and the content ratio of a conductive agent to a binder of the two layers is controlled, so that the charging capacity of the battery is remarkably improved, and the ionic migration dynamic ...

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Номер записи: 21
23-06-2023 дата публикации

Resource recommendation method, electronic equipment and computer storage medium

Номер: CN116302525A
Автор: YANG WENCONG, XU FAN
Принадлежит:

The embodiment of the invention provides a resource recommendation method, electronic equipment and a computer storage medium, and the method comprises the steps: carrying out the resource quantity prediction according to the historical resource use data of a calculation task through a plurality of resource quantity prediction models, and obtaining a plurality of predicted resource quantities; and according to historical distribution parameters of the historical resource use data, determining a recommended resource quantity of the calculation task from the plurality of predicted resource quantities.

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Номер записи: 22
28-07-2023 дата публикации

GEO rail fuel station full life cycle propellant remaining amount measuring method

Номер: CN116499538A
Автор: LI YAFEI, WU FAN, TANG HAN, XU FAN, JIANG SHENG, XIAO YUZHI
Принадлежит:

A GEO track fuel station full life cycle propellant surplus measuring method comprises the following steps: analyzing working characteristics of different task sections in a GEO track fuel station task section, providing an engine small deviation equation in a GTO transfer section to indirectly calculate the total surplus of an oxidant and the total surplus of an incendiary agent through necessary hardware configuration on a system, and calculating the total surplus of the oxidant and the total surplus of the incendiary agent according to the calculated total surplus of the oxidant and the total surplus of the incendiary agent. In a GEO steady-state operation section, a gas volume excitation method is proposed to measure the propellant surplus of a single storage tank, and in a propellant supplementing task section, an ultrasonic flowmeter method is proposed to indirectly measure the propellant surplus, so that a propellant surplus measurement system scheme of the whole life cycle of a ...

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Номер записи: 23
09-06-2023 дата публикации

Multi-scale spatial feature enhancement method and device

Номер: CN116246064A
Автор: GAO WEN, CHEN JIE, TIAN YONGHONG, XU FAN, GENG RUIZHE
Принадлежит:

The invention provides a multi-scale spatial feature enhancement method and device, and the method comprises the steps: processing a to-be-segmented pathological image, and obtaining a target pathological image; inputting the target pathological image into an image feature extraction network, and extracting features of different scales in the target pathological image to obtain feature images of different scale levels; inputting the feature images of different scale levels into a self-attention mechanism, and performing spatial feature enhancement processing to obtain a final feature map; and inputting the final feature map into a baseline model based on a two-stage detector to generate a segmentation result. According to the method, the feature images of different scale levels are input into the self-attention mechanism, spatial feature enhancement processing is carried out, the feature maps with richer information are extracted, targets on the images can be better recognized and positioned ...

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Номер записи: 24
23-05-2023 дата публикации

Determination method for volatile components in human lead

Номер: CN116148382A
Автор: HUANG XIAODAN, WU BAIJIAN, LUO YANYU, FU WAN, PENG SHAOZHONG, XU WEIBIN, XIE JUN, WANG JIA, ZHOU MING, XU FAN, ZHENG RONGBO, FANG GUANGHONG, CHEN WEIPING
Принадлежит:

The invention relates to a method for determining volatile components in human pills. The human pills comprise a core part and a coating coated on the core part, the core part is made of menthol, cinnamon, liquorice, catechu, radix aucklandiae, borneol, platycodon grandiflorum, camphor, fennel, alpinia katsumadai and clove basil oil; the coating is made of a non-aluminum water-soluble material; the determination method comprises the following steps: taking a human lead sample to be determined, and adding an organic solvent and water for extraction to prepare a test solution; taking standard substances of menthol, borneol and camphor, and adding a solvent for dissolving to prepare a reference substance solution; and taking the test solution and the reference solution, carrying out gas chromatographic analysis, and determining by using an external standard method. The determination method provided by the invention has the advantages of few interferents in a test solution, complete effective ...

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Номер записи: 25
09-06-2023 дата публикации

Highly distorted surface nanocrystallization TiOx modified layer and preparation method thereof

Номер: CN116240606A
Автор: YAO QUANTONG, XIE ZHIWEN, WANG ZHIYOU, XU FAN, YAN FENG, ZHANG ZHENJIE, HU SUYING
Принадлежит:

The invention discloses a highly distorted surface nanocrystallization TiOx modified layer and a preparation method thereof, and belongs to the field of material engineering. The outermost layer of the highly distorted surface nanocrystallization TiOx modified layer is a highly distorted amorphous layer; the middle layer is rutile phase TiO2; and the innermost layer is made of self-nanocrystallized titanium alloy. The preparation method comprises the following steps: forming a nanocrystalline layer on the surface of a substrate through ball milling, taking the substrate with the nanocrystalline layer as an anode plate, taking a stainless steel plate as a cathode plate, and performing electrochemical oxidation in electrolyte to obtain a substrate with two modified layers; the substrate of the two modified layers is subjected to chemical reduction, and the highly distorted surface nanocrystallization TiOx modified layer which is well combined with the substrate and has high visible light ...

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Номер записи: 26
05-05-2023 дата публикации

Cell nucleus segmentation method based on context feature fusion and related equipment

Номер: CN116071300A
Автор: TIAN YONGHONG, GAO WEN, CHEN JIE, XU FAN, GENG RUIZHE
Принадлежит:

The invention discloses a cell nucleus segmentation method based on context feature fusion and related equipment, and the method comprises the steps: obtaining a medical cell image, inputting the medical cell image into a convolutional neural network, carrying out the stacking, obtaining a plurality of feature maps, inputting each feature map into a feature pyramid, a context enhancement module in the feature pyramid performs feature fusion on the feature map to obtain output features; inputting the output features into a region extraction network to obtain a candidate frame, and obtaining region-of-interest features by a region-of-interest alignment layer according to the candidate frame; sending the features of the region of interest to a feature adaptive selection module to obtain combined feature representation of feature levels; and respectively calculating category classification, candidate box coordinates and edge perception masks of the region of interest on the basis of the combined ...

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Номер записи: 27
14-04-2023 дата публикации

Loquat EjGASA6 gene as well as encoded protein and application thereof

Номер: CN115960190A
Автор: GUO QIGAO, CHEN QIAN, YONG SHUNYUAN, FU HAO, LIANG GUOLU, HE QIAO, DANG JIANGBO, LUO MING, JING DANLONG, XU FAN
Принадлежит:

The invention relates to the field of plant molecular biology, in particular to a loquat gibberellin related EjGASA6 gene, a protein coded by the EjGASA6 gene and application. The full length of the cDNA sequence of the gene is as shown in SEQ ID No.1, and the amino acid sequence of the encoded protein of the gene is as shown in SEQ ID No.2. The EjGASA6 gene provided by the invention promotes the growth and development of plants by enhancing gibberellin biosynthesis. A plant expression vector pLGN-35S-EjGASA6-NOS-BE containing a target gene is transferred into wild type arabidopsis thaliana by adopting an agrobacterium tumefaciens Gv3101 mediated flower immersion method, and the biosynthesis of active gibberellin is enhanced by overexpression of transgenic arabidopsis thaliana 35S:: EjGASA6. The transgenic arabidopsis thaliana plant material obtained by using the loquat EjGASA6 gene can enhance gibberellin biosynthesis so as to promote plant growth and development and precocious flowering ...

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Номер записи: 28
22-08-2023 дата публикации

Novel process for straightening flange bend of wide-flange H-shaped steel by pressure straightening machine

Номер: CN116618477A
Автор: YIN ZHENGHUA, PENG KUI, XIE SHIFENG, LI JUN, HU DEZHONG, GE YUN, WANG LISHENG, SUN XIAOMING, XU FAN
Принадлежит:

The invention discloses a novel process for straightening a flange bend of wide-flange H-shaped steel through a pressure straightening machine, relates to the technical field of wide-flange H-shaped steel production, and aims to solve the problem that the straightening effect of pressure straightening on X-leg straightened steel is poor. A horizontal pressure straightening machine is adopted, a main pressure head for applying pressure and an anvil for supporting are arranged on the two sides of a roller bed respectively, X-leg H-shaped steel to be straightened is placed on the roller bed in the mode that the height direction is parallel to the pressure direction, and another H-shaped steel for pressurization is selected according to the flange width of the H-shaped steel to be straightened; placing the steel plate between a main pressure head of a pressure straightening machine and the to-be-straightened H-shaped steel, and conducting the pressure of the main pressure head to the to-be-straightened ...

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Номер записи: 29
07-04-2023 дата публикации

Traditional Chinese medicine preparation for treating perimenopausal anxiety and depression state

Номер: CN115919986A
Автор: LI HAIXIA, CUI WEILU, ZHONG JIAYI, LI ZINING, JIAO QIAN, LOU YUQING, SUN DI, MA JING, LI SHANSHAN, XU FAN, TAO YUXUAN, LI LINZE
Принадлежит:

The invention discloses a traditional Chinese medicine preparation for treating perimenopausal anxiety and depression. The traditional Chinese medicine preparation is prepared from 25-35 g of radix bupleuri, 25-35 g of radix curcumae, 25-35 g of rhizoma cyperi, 25-35 g of fructus aurantii immaturus, 25-35 g of rhizoma pinellinae praeparata, 25-35 g of radix aconiti preparata, 25-35 g of fructus ligustri lucidi, 25-35 g of herba ecliptae, 45-55 g of raw oyster shell, 45-55 g of raw dragon bone, 25-35 g of light wheat, 15-25 g of fructus schisandrae chinensis, 25-35 g of fructus toosendan and 25-35 g of radix rehmanniae preparata. During treatment, one dose of the traditional Chinese medicine is orally taken twice a day, and a course of treatment lasts for 4 weeks. The traditional Chinese medicine preparation for treating the perimenopausal anxiety and depression state is beneficial to symptoms such as anxiety, depression, low mood, insomnia, dysphoria with smothery sensation in the heart ...

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Номер записи: 30
08-08-2023 дата публикации

Cross-database micro-expression recognition method based on kernel mapping collaborative representation

Номер: CN116563930A
Автор: YAN WEIQI, YAN KEYU, FENG HAO, XU FAN
Принадлежит:

The invention discloses a cross-database micro-expression recognition method based on kernel mapping collaborative representation. The method comprises the following steps: step 1, extracting LBP-TOP features of an original micro-expression video; 2, establishing a transfer learning model based on kernel mapping dictionary learning; step 3, optimizing the model; and 4, training a classifier in a linear SVM classifier by using the trained model parameters and the corresponding label matrix, and inputting a test sample into the classifier to predict the micro-expression category of the test sample. According to the method, the micro-expression emotion of the target person can be effectively interpreted, and compared with other classic micro-expression recognition methods, the method has the advantage that the recognition rate is effectively improved.

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Номер записи: 31
30-06-2023 дата публикации

Overknife eschar cleaning device

Номер: CN116350362A
Автор: LI XIAO, XUE JIANXIN, LI LU, CHENG YIFEI, ZHANG YANYAN, QI FENG, ZHENG YUXIAO, XU FAN, ZHONG DA
Принадлежит:

The overcutter eschar cleaning device comprises a machine cover and a barrel, the barrel is a cylindrical container, and a cleaning assembly, a pollution discharge assembly and a controller are arranged in the barrel; the cleaning assembly comprises a cleaning ring, a high-pressure water pump and a liquid storage container, and the cleaning ring is fixedly connected to the inner wall of the barrel; the liquid storage container is arranged on the outer side wall of the barrel, and the high-pressure water pump is located in the liquid storage container and communicated with the cleaning ring through a pipeline. The barrel-shaped cleaning device is small in size and easy to transfer, and is fixed on an operation table to facilitate smooth operation of a surgeon; by adopting a high-pressure liquid cleaning mode, the efficiency is high, the safety is high, and the tool bit is not easy to damage; a high-pressure liquid cleaning mode is adopted, and meanwhile the tool bit can be cooled; the cleaning ...

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Номер записи: 32
08-08-2023 дата публикации

Electroencephalogram emotion signal recognition method based on graph regular non-negative matrix factorization

Номер: CN116561674A
Автор: YAN KEYU, YAN WEIQI, XU FAN, FENG HAO
Принадлежит:

The invention discloses an electroencephalogram emotion signal recognition method based on graph regular non-negative matrix factorization. The electroencephalogram emotion signal recognition method comprises the following steps: step 1, constructing an adjacent matrix for electroencephalogram emotion signals by using a nearest neighbor method; step 2, establishing a graph regular non-negative matrix factorization model, and performing non-negative constraint on a decomposed matrix; 3, introducing a projection matrix, and further performing three-decomposition on the matrix; step 4, optimizing the model; 5, using a new representation PX obtained by multiplying a trained model parameter P by a sample X to replace a representation matrix V of an original model, adding a corresponding label matrix, and training a classifier in a linear SVM classifier; and step 6, inputting the test sample into the classifier to predict the category of the test sample. According to the method, the electroencephalogram ...

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Номер записи: 33
04-08-2023 дата публикации

Natural gas flowmeter verification method, device and equipment and storage medium

Номер: CN116539127A
Автор: XU NING, LIU JINGHUA, YE MENG, XU FAN, WANG WANQI
Принадлежит:

The invention relates to a natural gas flowmeter verification method, device and equipment and a storage medium. The method comprises the following steps: receiving a verification request sent by a client, wherein the verification request carries the type of a verified flow meter and a plurality of flow points; determining a target standard pipeline related to the detected flow meter according to the type of the detected flow meter; controlling a valve on the target standard meter pipeline to be opened and closed so as to realize the flow of the flow point; determining a verification result of the verified flow meter at each flow point; determining a comprehensive verification result of the verified flow meter according to the verification result of each flow point; and sending the comprehensive verification result to the client. Operation and maintenance personnel can achieve automatic verification work of the flow meter remotely, automatic verification is achieved, and the working efficiency ...

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Номер записи: 34
01-08-2023 дата публикации

Grabbing device for mechanical manufacturing

Номер: CN116513796A
Автор: WANG ZHIXIONG, HU YAXUE, XU FAN, JIN LI, GENG HONGZHENG
Принадлежит:

The invention is suitable for the technical field of mechanical manufacturing equipment, and provides a grabbing device for mechanical manufacturing, which comprises a supporting assembly, a driving part is arranged in the supporting assembly, the driving part drives a rotating seat to rotate through a transmission assembly so as to drive a moving assembly to move, and the moving assembly drives a clamping seat and a rack II to move. The second rack drives the first rack and the second moving part to move reversely through the gear, so that the rotating assembly drives the clamping base to rotate. The first fixing piece or the second fixing piece is made to move relative to the clamping base in the mode that the first fixing piece or the second fixing piece abuts against the part, then the first moving piece is driven to move, the inclined wall of the first moving piece drives the second fixing piece or the first fixing piece to move in the mode that the inclined wall of the first moving ...

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Номер записи: 35
29-08-2023 дата публикации

Coating method for preparation of positively charged nanofiltration membrane

Номер: CN116651206A
Автор: LI ZHIFENG, HU YOUZHI, XU FAN
Принадлежит:

The invention discloses a coating method for preparation of a positively charged nanofiltration membrane. The coating method comprises the following steps: step 1, obtaining coating influence parameters of a base membrane and coating influence parameters of a coating solution; calculating and analyzing to obtain a coating influence coefficient; step 2, acquiring a base film influence coefficient Xj and the polymer content Ly and the adhesion strength Dy of the corresponding coating liquid, and acquiring the total amount of the coating liquid required during coating and the pressure during coating; 3, the total coating liquid amount Zy and the coating pressure Ft of the proportioning module are obtained and sent to a controller of the coating machine, so that the base film is coated with the coating liquid through the coating machine, and the coating condition is monitored in real time in the coating process. Reasonable coating parameters suitable for preparation of the positively charged ...

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Номер записи: 36
28-07-2023 дата публикации

Sea supporting bed with skin cooling function in operation process

Номер: CN116492186A
Автор: TANG YING, YANG MINGTAO, HU HUIQUAN, LI JUN, XU FAN, YIN SHU
Принадлежит:

The invention discloses a sea supporting bed with a skin cooling function in an operation process, and relates to the technical field of medical instruments. The Haijiang bed comprises a bed body with a hole, and an ultrasonic treatment head for Haijiang surgery is arranged under the hole; a first linear module and a second linear module are arranged on one edge side of the bottom side surface of the bed body; the length directions of the first linear module and the second linear module are parallel; a water tank is arranged on the bottom side face of the bed body, a water pump is arranged in the water tank, and the output end of the water pump communicates with a pipeline system which extends out of the water tank and communicates with a nozzle system. The pipeline system comprises a first hose, a second hose and a hose connector, wherein the first hose and the second hose are located at the two ends and communicated with the water pump and the sprayer system respectively. Through the ...

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Номер записи: 37
28-04-2023 дата публикации

Secondary battery electrolyte and preparation method thereof, secondary battery and electronic equipment

Номер: CN116031482A
Автор: XU DONG, XI HONGXUE, LEE JI-HYUN, XIE FENGCHAO, XU FAN
Принадлежит:

The secondary battery electrolyte provided by the embodiment of the invention comprises an electrolyte salt, an organic solvent and a flame retardant, and the flame retardant comprises pentafluorocyclotriphosphazene, tetrafluorocyclotriphosphazene and trifluorocyclotriphosphazene. According to the electrolyte, pentafluorocyclotriphosphazene, tetrafluorocyclotriphosphazene and trifluorocyclotriphosphazene are simultaneously added as flame retardants, so that the electrolyte is endowed with excellent flame retardance, and the battery has high safety performance and good electrochemical performance. The embodiment of the invention also provides a secondary battery with the secondary battery electrolyte and electronic equipment.

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Номер записи: 38
14-07-2023 дата публикации

Preparation method and application of low-temperature desulfurizing agent

Номер: CN116422119A
Автор: ZHANG ZHIHONG, SHI YUANYUAN, XU FAN
Принадлежит:

The invention belongs to the technical field of gas purification desulfurizers, and particularly relates to a preparation method and application of a low-temperature desulfurizer, after ferrite and a precipitant are fully reacted and precipitated, filtering is performed, precipitates are collected, under the state that air or oxygen is introduced into a dispersion system of the precipitates, hydrogen peroxide is added at the same time for stirring reaction, and the low-temperature desulfurizer is obtained. The desulfurizing agent with the hydroxyl is obtained. According to the present invention, the bubbling ventilation manner is matched with the continuous stirring, such that the non-uniform oxidation reaction caused by the dual oxidation of the gas and the reagent is inhibited, the two oxidation reactions are uniformly performed in the slurry, and the generated product tends to the amorphous state so as to easily achieve the desulfurization; ...

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Номер записи: 39
27-06-2023 дата публикации

Method for hoisting full-width super-long deck block of gas ship

Номер: CN116331444A
Автор: LI CHUANJIANG, WANG JIAZHENG, LAN MINDONG, XU FAN
Принадлежит:

The invention discloses a hoisting method for a full-width super-long deck block of a gas ship. The hoisting method comprises the following steps: 1, crane selection: selecting a double-beam portal crane; 2, confirming a lifting point: selecting a lifting row and a lock which meet the lifting specification, and respectively arranging a first hanger and a second hanger on a port rib and a starboard rib of the deck; 3, hanging row selection: determining the distance between the hanging point positions of the special hanging row of the lower trolley, and ensuring that each hanging point is stressed uniformly; 4, mounting lifting rings: mounting the corresponding lifting rings on the top surfaces of the corresponding decks according to the lifting point positions; according to the invention, efficient assembly and carrying of the deck block of the gas ship are realized, so that the carrying workload is greatly reduced, the time period of deck block carrying after the liquid tank is hoisted ...

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Номер записи: 40
14-07-2023 дата публикации

Remote diagnosis method for natural gas metering analysis equipment

Номер: CN116437243A
Автор: YE MENG, LIU JINGHUA, CHANG XINGHUA, XU FAN, WANG WANQI
Принадлежит:

The invention relates to a remote diagnosis method for natural gas metering analysis equipment, and the method comprises the steps: a natural gas metering diagnosis system comprises one or more monitoring stations which are connected with each other through a network, and each monitoring station comprises an edge processor, and a detection unit and an alarm unit which are connected with the edge processor. The method comprises the steps that the edge processor receives detection data sent by the detection unit; and the edge processor diagnoses the detection unit according to the detection data, and controls the alarm unit to give an alarm in response to determining that the detection unit diagnoses abnormally. According to the invention, the edge processor controls the alarm unit to give an alarm after determining that the diagnosis is abnormal, and the edge processor replaces the operation of a remote central data acquisition server. And the situation that the far-end central data acquisition ...

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Номер записи: 41
15-06-2016 дата публикации

Data line storage box

Номер: CN0205312788U
Автор: XU FAN
Принадлежит:

... 本实用新型公开了一种数据线收纳盒，包括本体，所述本体设有收线槽和储物槽，所述收线槽和储物槽上部对应设有上盖与槽部相互扣合，所述收线槽内设有若干个绕线棒，所述储物槽边缘处设有固定带，所述固定带上设有固定扣，所述固定扣与所述上盖边缘处设有的扣洞相咬合。本实用新型所述的一种数据线收纳盒，结构简单，收纳方便，制作成本低，实用性强。 ...

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Номер записи: 42
25-04-2023 дата публикации

Box type maintenance device for network information security processing

Номер: CN116000886A
Автор: LI WENJUN, LI ZHUCHENG, XU FAN, JIANG LANG
Принадлежит:

The invention discloses a box type maintenance device for network information security processing, which comprises an external mounting frame, two top cover plates and a tool box body, and is characterized in that the tool box body is located in the external mounting frame, the two top cover plates are respectively arranged at the two ends of the top of the tool box body, and the ends, far away from each other, of the two top cover plates are rotationally connected with the tool box body; and the movable adjusting mechanism is arranged at the bottom of the inner side of the external mounting frame. During specific use, the driving mechanism can be started to drive the lifting mechanism to move, so that the tool box body is driven to ascend and descend, the operation is simple, the convenience during use is improved, and meanwhile, the maintenance efficiency is improved; and meanwhile, extension and storage of the moving wheels can be controlled by starting a moving adjusting mechanism, ...

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Номер записи: 43
18-04-2023 дата публикации

IGBT half-bridge power module

Номер: CN115985910A
Автор: XU FAN, ZHANG RU
Принадлежит:

The invention discloses an IGBT half-bridge power module, and relates to the field of semiconductor packaging and power modules.The IGBT half-bridge power module comprises a copper bottom plate, a substrate, a half-bridge circuit and a negative electrode main power terminal, and the half-bridge circuit comprises an upper bridge circuit and a lower bridge circuit; the upper bridge circuit comprises an upper bridge IGBT (Insulated Gate Bipolar Translator) chip and a first diode unit which is in anti-parallel connection with the upper bridge IGBT chip; the lower bridge circuit comprises a lower bridge IGBT chip and a second diode unit which is reversely connected with the lower bridge IGBT chip in parallel, and the negative electrode main power terminal, the second diode unit and the lower bridge IGBT chip are vertically arranged in the middle of the substrate in parallel; the upper bridge IGBT chip and the first diode unit are arranged on the two sides of a vertical area formed by the negative ...

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Номер записи: 44