Настройки

Укажите год
-

Небесная энциклопедия

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

Подробнее
-

Мониторинг СМИ

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

Подробнее

Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Ведите корректный номера.
Укажите год
Укажите год
Применить Всего найдено 25. Отображено 25.
18-07-2023 дата публикации

Enrichment technology for high-affinity ligand index of target protein in mixture

Номер: CN116449014A
Автор: LIAO FEI, YANG XIAOLAN
Принадлежит:

The high-affinity ligand index enrichment technology for the target protein in the mixture is characterized in that the target protein is fixed by magnetic beads; the method comprises the following steps: first-round screening: competitively combining an excessive mixture sample with low-concentration immobilized target protein, magnetically separating a binding ligand, heating a denatured target protein with a solvent A, extracting the binding ligand, and concentrating; then, the amount of the immobilized target protein is decreased progressively according to the proportion index that 10 is divided by the quantifiable ligand recovery rate mean value, the binding ligand obtained through screening in the last round is used for competitive binding and magnetic separation of the binding ligand, the target protein is heated and denatured through a solvent A, the binding ligand is extracted and concentrated, and iteration screening is carried out; in the process of continuously implementing ...

Подробнее
Номер записи: 1
23-06-2023 дата публикации

Method for producing glucuronic acid through biological fermentation

Номер: CN116287052A
Автор: ZHU LIPING, LIAO FEI, ZHENG BINHUA, WEI PINGPING
Принадлежит:

The invention discloses a method for producing glucuronic acid through biological fermentation, and relates to the technical field of biological preparation. Comprising the following steps: culturing recombinant engineering bacteria to obtain a seed solution; inoculating the seed solution into a fermentation tank culture medium to carry out fermentation culture, and carrying out feeding control and induction control to obtain a fermentation solution; performing centrifugation or membrane filtration on the fermentation liquor to obtain wet thalli; and adding the wet thalli into a reaction solution for conversion to obtain glucuronic acid. According to the method disclosed by the invention, the high-activity, high-stability and high-content inositol oxidase in wet thalli is obtained by controlling parameters of a fermentation process and a conversion process, particularly controlling components of a culture medium and adopting feeding control and induction control in the fermentation process ...

Подробнее
Номер записи: 2
19-05-2023 дата публикации

Laser range finder and optical transceiver system and receiving lens thereof

Номер: CN116136589A
Автор: FENG WENLIN, WANG GUANJINGYUN, LIAO FEI, YANG XIAOZHAN
Принадлежит:

The invention discloses a laser range finder and an optical transmit-receive system and a receiving lens thereof, and is characterized in that the receiving lens is a composite lens composed of a primary mirror of an aspheric surface part and a secondary mirror of a spherical surface part, and the secondary mirror is arranged on the aspheric surface receiving surface of the primary mirror and is far away from the axis of the primary mirror. According to the invention, a close-range detection blind area can be greatly reduced, the object distance of the receiving blind area is infinitely close to 0mm, and the detection performance of the close-range laser range finder using the heteroaxial optical system is improved.

Подробнее
Номер записи: 3
20-12-2018 дата публикации

FLUORESCENT PROBE FOR DETECTING SULFENATED PROTEIN, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF

Номер: WO2018228079A1
Автор: HU, Xiaolei, YANG, Xiaolan, YIN, Yibing, WU, Xiaomian, LIAO, Fei, LU, Jinpeng, LI, Juqiong
Принадлежит:

The present invention discloses a fluorescent probe for detecting a sulfenated protein, having the following structural general formula (I). The fluorescent probe has good stability and can be preserved for long-term use. The fluorescent probe is highly sensitive to its environment, having no strong fluorescence in a hydrophilic environment, and producing strong fluorescence only after reaction with a sulfenated protein such that a fluorophore is in a hydrophobic environment in the protein structure, and thus is able to develop in situ in cells the sulfhydryl sulfenated protein. Furthermore, the fluorescent probe has good water solubility and a relatively large absorption-emission wavelength difference, and can be paired with a tryptophan residue in a protein to produce a fluorescence resonance energy transfer (FRET) effect in an extracellular buffer solution detection system, effectively avoiding interference of excitation light and emitted light in protein samples. The fluorescent probe ...

Подробнее
Номер записи: 4
04-04-2023 дата публикации

Cast-in-place pile reinforcement cage mounting and positioning control device and method

Номер: CN115897585A
Автор: ZHAO YU, ZHANG HUAYANG, LIAO FEI, HAN RENTING, WU SONGHUA, YU XIAOHAN, YU HONGBIN
Принадлежит:

The invention relates to a cast-in-place pile reinforcement cage mounting and positioning control device and method. The control device comprises at least three casing pipes used for being connected with main reinforcements of the reinforcement cage in a sleeved mode, a stirrup assembly used for connecting all the casing pipes into an integral structure, a measuring rod located in the center of the stirrup assembly and provided with scales and a plurality of sets of fixing rod pieces arranged at intervals in the axial direction of the measuring rod, and each set of fixing rod pieces comprises at least three fixing reinforcements. The at least three fixing ribs are fixed between the measuring rod and the at least three sleeves in a one-to-one correspondence mode, and the bottom elevation of the measuring rod is not higher than the bottom elevation of the sleeves. The technical problems that in the prior art, when the top of a reinforcement cage of a cast-in-place pile is lowered to the underground ...

Подробнее
Номер записи: 5
13-06-2023 дата публикации

Fabricated building formwork construction method capable of being rapidly built

Номер: CN116255003A
Автор: LIAO FEI, CHEN ZHAORONG, LI BO, CAI ZHILI, KE BIAOZHI, SU YUNSHENG
Принадлежит:

The invention discloses a construction method of an assembly type building formwork capable of being rapidly built. The construction method comprises the following steps of prefabrication of building formworks and components, pretreatment before construction, installation of floor formwork keels, installation and adjustment of floor formworks, reinforcement and adjustment of wall formworks, inspection and acceptance and pouring of concrete. According to the construction method of the assembly type building formwork capable of being rapidly built, through production of the building formwork and the assembly type components which are prefabricated in advance and combination of the building formwork and the assembly type components and the keels, when a building is built, the assembly type building can be rapidly built only by splicing various prefabricated formworks, and the construction efficiency is improved. According to the invention, the building construction time is greatly reduced, ...

Подробнее
Номер записи: 6
27-03-2014 дата публикации

METHOD FOR SIMULTANEOUSLY MEASURING ACTIVITY OF VARIOUS ENZYMES BY USING MULTI-WAVELENGTH ABSORPTION SINGLE CHANNEL

Номер: WO2014043923A1
Автор: LIAO, Fei, YANG, Xiaolan, LIU, Hongbo, DANG, Jizheng, LONG, Gaobo, LI, Yuanli, LIU, Lin
Принадлежит:

Disclosed is a method for simultaneously measuring activity of various enzymes by using a multi-wavelength absorption single channel, which comprises: based on light absorption linear additivity and equal absorption wavelength of an enzyme chromogenic substrate and a chromogenic product thereof, establishing a combinational design theory of chromogenic substrates required by the multi-wavelength absorption single channel to simultaneously measure the activity of various enzymes and a data processing method for eliminating overlapping interference of an absorption spectrum; and analyzing an enzyme reaction process by using a velocity equation of numerical integration to determine a maximum reaction speed and to eliminate the interference of various substrates and products on the activity of the enzyme to be measured, so that a range and a detection limit of simultaneous measurement on activity of various enzymes by using the single channel is equivalent to those of single measurement. The ...

Подробнее
Номер записи: 7
14-12-2017 дата публикации

MICRO/NANOMATERIAL, PRODUCT THEREOF WITH SURFACE COVALENTLY MODIFIED WITH HYDROPHILIC MATERIAL, AND MANUFACTURING METHOD

Номер: WO2017211145A1
Автор: LIAO, Fei, LONG, Gaobo, YANG, Hai, FENG, Hu
Принадлежит:

The present invention discloses a micro/nanomaterial, a product thereof with a surface covalently modified with a hydrophilic material, and a manufacturing method. The surface of the micro/nanomaterial comprises a carboxyl group or potential carboxyl group. The carboxyl group or potential carboxyl group is converted to an active ester. The product with the surface covalently modified with the hydrophilic material is covalently modified by forming an amide bond between the active ester on the surface and a modification agent, wherein the modification agent is a hydrophilic compound and/or a hydrophilic polymer comprising a primary aliphatic amine and/or a secondary aliphatic amine. The manufacturing method comprises: using a carboxyl group and/or potential carboxyl group monomer to generate an adequate amount of carboxyl groups and/or potential carboxyl groups on the surface of a polymeric material, then converting to form an active ester; using an adequately sized modification agent comprising ...

Подробнее
Номер записи: 8
14-07-2023 дата публикации

Sterilization vacuum cover and corresponding cosmetic bottle

Номер: CN116424709A
Автор: LI CHENGFENG, LU ZHENGZHENG, LIAO FEI, XUE JI, LIU ZUNFENG
Принадлежит:

The invention relates to a sterilization vacuum cap and a corresponding cosmetic bottle, and the sterilization vacuum cap comprises a bottle cap main body which is internally provided with a containing cavity, and the bottom surface of the containing cavity is provided with a first through hole; the air exhaust mechanism is arranged in the containing cavity, and an air exhaust opening of the air exhaust mechanism is connected with the first through hole; the sterilization mechanism is arranged on the side, adjacent to the bottle body, of the bottom face of the containing cavity; the control assembly is arranged in the containing cavity, and the control assembly is connected with the air exhaust mechanism and the sterilization mechanism. According to the sterilization vacuum cover of the structure and the corresponding cosmetic bottle, redundant gas in the bottle body can be pumped away, meanwhile, the material body in the bottle body is sterilized through the sterilization mechanism, and ...

Подробнее
Номер записи: 9
02-05-2019 дата публикации

AMPHOTERIC DISSOCIATION ION EXCHANGE MEDIUM, APPLICATION METHOD, AND SEPARATION CAPACITY CALIBRATION METHOD

Номер: WO2019080851A1
Автор: LIAO, Fei, LONG, Gaobo, XIE, Yanling, HUANG, Mingtong, XIE, Wanjun
Принадлежит:

An amphoteric dissociation ion exchange medium. The surface of the amphoteric dissociation ion exchange medium is an amphoteric dissociation covalent modification layer. When an environmental pH value is lower than an isoelectric point of the amphoteric dissociation covalent modification layer, the surface net charge of the amphoteric dissociation covalent modification layer is positive, so that the amphoteric dissociation covalent modification layer has the property of anion exchanger; when the environmental pH value is higher than isoelectric point of the amphoteric dissociation covalent modification layer, the surface net charge of the amphoteric dissociation covalent modification layer is negative, so that the amphoteric dissociation covalent modification layer has the property of cation exchanger. The separation medium respectively has the property of the anion exchanger and the cation exchanger at the two sides of the isoelectric point, so that by adjusting the pH value of an eluant ...

Подробнее
Номер записи: 10
07-04-2022 дата публикации

DISPLAY SUBSTRATE AND DISPLAY APPARATUS THEREOF

Номер: WO2022068388A1
Автор: SONG, Liang, XU, Jiahao, LU, Dongliang, LIAO, Fei, JIANG, Donghua, YANG, Guobo, LIAO, Pengyu, ZHAO, Wuyang
Принадлежит:

Provided are a display substrate and display apparatus thereof; the display substrate comprises: a substrate (200); a first wiring line (201) located on the substrate (200) and extending in a first direction; a first dielectric layer (205) located on the substrate (200) and the first wiring line (201); a second wiring line (202) located on the first dielectric layer (205) and extending in the first direction, the orthographic projection of the second wiring line (202) on the substrate (200) overlapping at least partially with the orthographic projection of the first wiring line (201) on the substrate (200); a conformal dielectric layer (206) located on the first dielectric layer (205) and the second wiring line (202); a third wiring line (203) and a fourth wiring line (204) arranged on the conformal dielectric layer (206) and spaced at intervals along the first direction, the orthographic projections of the third wiring line (203) and the fourth wiring line (204) on the substrate (200) ...

Подробнее
Номер записи: 11
25-04-2023 дата публикации

Tumor ablation parameter optimization system adopting pulsed electric field

Номер: CN116013532A
Автор: TENG FEI, LIAO FEI, YONEHIKO, TENG YAN, JIANG YUEQUAN
Принадлежит:

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

Подробнее
Номер записи: 12
06-06-2023 дата публикации

Synchronous grouting material capable of preventing duct piece from floating upwards and application of synchronous grouting material

Номер: CN116217176A
Автор: WANG JIANGBO, ZHANG JIAN, WANG JIN, DIAN JUNWEI, WU BAOPING, TANG JIE, DUAN WENTANG, KANG LIN, WANG YANGFEI, LING DAIMING, WEI GANG, LI JIANGTAO, HU YUXUAN, LIAO FEI, HE CHUANDONG
Принадлежит:

The invention discloses a synchronous grouting material capable of preventing a duct piece from floating and a preparation method of the synchronous grouting material, and aims to solve the technical problems that the actual operability of synchronous grout grouting at the present stage is poor, and floating of the duct piece is difficult to control. The synchronous grouting material is prepared from a solution A and a solution B, the solution A comprises cement, sand, fly ash, bentonite and water, and the solution B is an aqueous solution of polyacrylamide with the molecular weight of 8-12 million. The synchronous grouting material prepared by the method is small in volume shrinkage and small in bleeding rate after being solidified, can be obviously and effectively controlled aiming at the problem of floating of duct pieces, and can save a large amount of cost, reduce process conversion, reduce personnel allocation, reduce material types, shorten process time and improve shield tunneling ...

Подробнее
Номер записи: 13
06-06-2023 дата публикации

DPVS multi-instance allocation method and device

Номер: CN116225718A
Автор: SONG JIAN, XIE JINZHUANG, ZHENG JIAHONG, LIAO FEI
Принадлежит:

The invention provides a DPVS multi-instance allocation method and device. Based on the DPVS, implementing a multi-instance Qsch hand and Cls hand distribution method, and realizing multi-instance distribution; and based on the DPVS, implementing a black and white list Qsch hand and Cls hand distribution method to realize management of the black and white list. According to the technical scheme of the invention, the system performance can be greatly improved based on the high-performance forwarding of the DPVS; on the basis of Qsch and Cls hand grammar operation provided by the DPVS, a hand arrangement rule can be given, and distribution of multiple instances is completed.

Подробнее
Номер записи: 14
27-06-2023 дата публикации

Passive depth-keeping control underwater residence system

Номер: CN116331407A
Автор: XIE ZHIJUN, HUANG JINGSHUAI, ZHANG YIFEI, ZHU ZHENGTAO, YE DEZHANG, LIAO FEI
Принадлежит:

The invention relates to the technical field of underwater residence systems, and discloses a passive depth-keeping control underwater residence system. The device is used for enabling underwater equipment to passively hover in water at a fixed depth and comprises a releaser and a fixed-depth hovering control assembly. The depth-keeping hovering control assembly is connected to the releaser, the releaser is connected to the underwater equipment, and the releaser is configured to release the underwater equipment after receiving a release instruction. The fixed-depth hovering control assembly comprises an equipment balance weight, an equipment floating body and a rope winding prevention piece. The equipment counterweight enables the underwater equipment to passively sink into water; the equipment floating body is used for providing redundant buoyancy for the underwater equipment, the releaser and the equipment counterweight; the two ends of the rope winding prevention piece are connected ...

Подробнее
Номер записи: 15
13-06-2023 дата публикации

Underwater emergency automatic floating device

Номер: CN116252940A
Автор: ZHANG XU, ZHU SIWEI, WU WENHUA, LIAO FEI, GAO JUN, XIONG ZHENYU
Принадлежит:

The invention relates to an underwater emergency automatic floating device. The device comprises a chemical reaction chamber, a water-soluble spacer and an air bag, wherein the water-soluble spacer and the air bag are arranged in the chemical reaction chamber. The chemical reaction chamber has a first chemical chamber and a second chemical chamber, one portion of the water-soluble spacer faces the first chemical chamber, and the other portion of the water-soluble spacer faces the second chemical chamber, and after the water-soluble spacer encounters water, the first chemical chamber and the second chemical chamber are communicated to trigger chemical reaction and generate gas. The air bag is arranged at the peripheral part of the automatic floating device and is communicated with the chemical reaction chamber to receive gas generated by chemical reaction. After water enters the chemical reaction chamber of the underwater emergency automatic floating device provided by the invention, a chemical ...

Подробнее
Номер записи: 16
06-06-2023 дата публикации

Gallium oxide pn heterojunction diode

Номер: CN116230743A
Автор: LIAO FEI, HUANG XUAN, ZHANG XIAOHAN
Принадлежит:

The invention discloses a gallium oxide pn heterojunction diode, which comprises a cathode ohmic electrode, a Ga2O3 substrate region, a Ga2O3 drift region, a double-layer NiOX P-type junction terminal extension region and an anode ohmic electrode from bottom to top, and also comprises passivation layers positioned on the upper surfaces of the double-layer NiOX P-type junction terminal extension region and the anode ohmic electrode, wherein the double-layer NiOX P-type junction terminal extension region comprises a first layer of lightly doped NiOX P-type junction terminal extension region and a second layer of heavily doped NiOX P-type junction terminal extension region from bottom to top, and the width of the second layer of heavily doped NiOX P-type junction terminal extension region is consistent with that of the anode ohmic electrode. And a single-stage step terminal or a double-stage step terminal is arranged at the part, exceeding the anode ohmic electrode, of the first-layer lightly-doped ...

Подробнее
Номер записи: 17
13-06-2023 дата публикации

Modularized structure for quickly constructing clean laboratory

Номер: CN116255048A
Автор: CHEN ZHAORONG, CAI ZHILI, LIAO FEI, CHEN WURONG, XU YONG, SU YUNSHENG
Принадлежит:

A modularized structure for quickly constructing a clean laboratory comprises a bottom plate, an amplification bin is arranged at the top of the bottom plate, a sample preparation bin is arranged on the left side of the amplification bin, a reagent preparation bin is arranged on the left side of the sample preparation bin, and an intelligent inflator pump is fixedly connected to the top of the bottom plate. Limiting mechanisms are fixedly connected to the right side of the amplification bin and the left side of the sample preparation bin, and a connecting mechanism is fixedly connected to the rear side of the sample preparation bin. According to the modularized structure for rapidly building the clean laboratory, by arranging the connecting mechanism, the overall manufacturing cost is low, the requirements of a user are met, gas in the double-layer gas film can be controlled under the action of the intelligent inflation pump, checking can be conducted through a mobile phone applet, a gas ...

Подробнее
Номер записи: 18
06-06-2023 дата публикации

Vehicle intelligent auxiliary maintenance method and system and VR equipment

Номер: CN116228192A
Автор: CHU BAIQING, ZHENG FENGXIA, SONG YU, WANG LU, XIA ZHICHENG, LIAO FEI, CHEN XIAOYING, LIU QINBAO, DUAN LONGJIE, FENG GUOQIANG
Принадлежит:

The invention discloses a vehicle intelligent auxiliary maintenance method and system and VR equipment. The method comprises the steps that a vehicle code of a to-be-maintained vehicle is remotely obtained, the to-be-maintained vehicle is locked, the vehicle code is sent to a server side, and vehicle state information of the to-be-maintained vehicle is obtained; according to the vehicle state information, a maintenance overview of the to-be-maintained vehicle is generated, and the maintenance overview comprises a two-dimensional model vehicle overview and/or a three-dimensional model vehicle overview of the to-be-maintained vehicle; and displaying the vehicle fault state positioning information on the maintenance overview, and remotely maintaining the to-be-maintained vehicle according to the fault code in combination with a maintenance knowledge base. The present invention supports a device to select an operation analysis or door system through vehicle identification when a train overview ...

Подробнее
Номер записи: 19
05-05-2023 дата публикации

Waterproof airspeed measuring device

Номер: CN116068221A
Автор: ZHANG XU, XIONG ZHENYU, LIU LEI, CHOI SUN-RIN, LIAO FEI, GAO JUN, XU XINGNIAN, ZHU SIWEI, YANG QIANG
Принадлежит:

The invention relates to the technical field of airspeed measuring devices, and discloses a waterproof airspeed measuring device which comprises a main pipe body, a side pipe body, a first air pressure sensor, a telescopic mechanism and a sealing piece. Wherein the main pipe body is provided with an air inlet channel and a sealing adjusting channel, and the side pipe body is provided with a pressure measuring channel; and a cross communication port is formed among the pressure measuring channel, the air inlet channel and the sealing adjusting channel. The first air pressure sensor is arranged in the pressure measuring channel and used for measuring air flow pressure. The telescopic mechanism is provided with a telescopic rod which is provided with a free end, and the sealing piece is arranged at the free end of the telescopic rod. The telescopic mechanism is configured to drive the telescopic rod to drive the sealing piece to reciprocate in the air inlet channel and the sealing adjusting ...

Подробнее
Номер записи: 20
04-04-2023 дата публикации

Calibration device and calibration detection method for detection element at tail end of aircraft skin drilling main shaft

Номер: CN115900798A
Автор: YI CHENG, LIU JUN, YANG QIAO, LIU DAWEI, JIANG CHAO, LI JIE, WANG GANG, JEON YOU-SONG, LIAO FEI, WANG QIANG, NIE ZHAOHONG
Принадлежит:

The invention relates to the technical field of detection element calibration, and discloses an aircraft skin drilling spindle tail end detection element calibration device which comprises a calibration square box. The calibration square box comprises a first calibration surface provided with a first target point and a measuring body, a second calibration surface provided with a graduated scale, a third calibration surface provided with a pressure sensor, and a fourth calibration surface provided with a test knife plate, a test knife cutting material and a second target point. Meanwhile, the invention also discloses a method for calibrating and detecting the spindle tail end detection element, which comprises the following steps of: quickly detecting whether the laser normal vector displacement sensor, the presser foot displacement sensor and the spindle tail end pressing device are changed in the previous processing cycle; and carrying out presser foot displacement sensor calibration, ...

Подробнее
Номер записи: 21
26-05-2023 дата публикации

Preparation method of D-psicose

Номер: CN116162669A
Автор: ZHU LIPING, TAO YONG, CHEN KECAI, CHENG SHUANGWU, HU MEIRONG, WANG LEI, LIAO FEI, WEI PINGPING
Принадлежит:

The invention relates to the technical field of biology, in particular to a preparation method of D-psicose, which comprises the following steps: (1) taking D-fructose as a substrate, adding a solvent and a first whole-cell catalyst, adjusting the pH value of a reaction system to be weakly acidic, controlling the temperature of the reaction system, and reacting for 2-4 hours to obtain D-psicose; after the reaction is finished, centrifugally collecting supernate, namely a D-allicin alcohol solution; and (2) taking the D-alliinol solution in the step (1), adjusting the pH value to be neutral, adding a second whole-cell catalyst in a ventilating and stirring state, and reacting to obtain the psicose solution. By adopting the method, the conversion rate of the D-fructose to the D-psicose is greatly improved.

Подробнее
Номер записи: 22
09-05-2023 дата публикации

Conference establishment method and device, terminal equipment and readable storage medium

Номер: CN116095052A
Автор: WANG LICHENG, SONG JIAN, LIAO FEI, HU CAILAI
Принадлежит:

The invention relates to the technical field of computers, provides an online conference management method, and particularly relates to a conference establishment method and device, terminal equipment and a readable storage medium. The method comprises the steps that a conference establishment request initiated by a request terminal is received, a first label is determined based on access information of the request terminal, a to-be-allocated number database is determined based on the first label, and the first label is used for representing address position information of the request terminal; determining a running state of the database of the numbers to be distributed, and searching a target number segment in an idle running state; and establishing a corresponding target conference room based on the target number segment, and issuing the target conference room link to the request terminal.

Подробнее
Номер записи: 23
01-08-2023 дата публикации

Solar cell defect detection method based on attention convolutional neural network

Номер: CN116523820A
Автор: CHEN YAFANG, LIU JINHUI, HUANG XINYU, LIAO FEI, GONG HENGXIANG
Принадлежит:

The invention requests to protect a solar cell defect detection method based on an attention convolutional neural network. The method comprises the following steps: S1, collecting solar cell panel defect images; S2, preprocessing the solar cell panel defect images; S3, randomly dividing an original solar cell defect image library obtained in S2; s4, inputting the image into a YOLOv5 network based on attention; s5, filling or scaling the original cell defect image, fixing the image size of the input network, and normalizing the image data; s6, inputting the input image into the backbone network; s7, extracting three feature maps of a large scale, a medium scale and a small scale; s8, a feature fusion step; s9, respectively predicting bounding box information and confidence information by using a convolutional layer; and S10, the trained model is used for solar cell crack and fragment defect detection under real working conditions. The defect feature expression capability is improved, so ...

Подробнее
Номер записи: 24
01-08-2023 дата публикации

Urtica fimbriata leaf extract as well as preparation method and application thereof

Номер: CN116508787A
Автор: LIAO FEI, HE JIE, BAO TAOTAO, TAO GUANGYAO, MU JIANGJING, PENG ZHAOQUAN
Принадлежит:

The invention relates to the technical field of plant source mite killing, and discloses a nettle leaf extract as well as a preparation method and application thereof, and the nettle leaf extract is a 94-96% ethanol extract; the preparation method specifically comprises the following steps: drying and crushing urtica fimbristipula leaves, carrying out ultrasonic extraction with 94-96% ethanol, filtering, extracting with ethyl acetate, and drying to obtain the urtica fimbristipula leaf extract; the compound is used for preparing acaricidal drugs. The 94-96% ethanol extract of the urtica fimbristipula leaves is prepared, it is proved for the first time that the extract has mite killing activity on sarcoptic mites in vitro, the killing effect is remarkable, the mite killing rates are 100.0%, 76.7% and 60.0% respectively when the extract acts for 2 h at the dosage of 100 mg/mL, 50 mg/mL and 25 mg/mL, the toxicity to the mites is high, the activity of the extract is affected by concentration ...

Подробнее
Номер записи: 25