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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 13. Отображено 13.
27-08-2021 дата публикации

Device for tracked vehicle gearbox clutch pressure experiment

Номер: CN214066502U
Автор: MA SHUNA, GUO LIKUN, ZHANG MING, LU XIAOFENG, WANG NIANXI, CUI SIJIA, LIU JUNHUI, BAI YUNPENG, LIU BING, MA SIFU, LIU SHENGMIN, SHI RUI, QU YONGPING, TAN FENGZHI, 马淑娜, 郭丽坤, 张明, 卢晓峰, 王年喜, 崔斯嘉, 刘军辉, 白云鹏, 刘冰, 马思福, 刘胜民, 史瑞, 曲永平, 谭凤芝
Принадлежит: HARBIN FIRST MACHINERY GROUP CORP LTD, HARBIN FIRST MACHINERY GROUP CORPORATION LTD., 哈尔滨第一机械集团有限公司

The utility model relates to a device for a tracked vehicle gearbox clutch pressure experiment, and belongs to the technical field of tracked vehicle gearbox clutch experiment corollary equipment. The problems that an existing pressure testing device is complex in structure, inconvenient to use and low in efficiency are solved. Comprising a sleeve, a connector, a pressing plate, a bolt, a nut, a sealing ring and a gasket, the sealing ring is placed in a sealing groove in the outer wall of the upper portion of the tracked vehicle gearbox clutch, the sleeve and the pressing plate are located on the upper side and the lower side of the tracked vehicle gearbox clutch respectively, and the bolt sequentially penetrates through the sleeve, the tracked vehicle gearbox clutch and the pressing plate to be connected with the nut. A first socket and a second socket are processed on the sleeve, the first socket and the second socket are respectively communicated with two non-communicated inner cavities ...

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Номер записи: 1
18-08-2023 дата публикации

Preparation of fluorescently-labeled polyacrylamide and application of fluorescently-labeled polyacrylamide in tracking and monitoring of polymer for oil displacement

Номер: CN116606389A
Автор: WANG XUSHENG, WANG LEI, WANG SHUAI, LI YIJING, LU XIAOFENG, GUO YONG
Принадлежит:

The invention discloses preparation of fluorescently-labeled polyacrylamide and application of the fluorescently-labeled polyacrylamide in tracking and monitoring of polymers for oil displacement. The preparation method of the fluorescence-labeled polyacrylamide comprises the following steps: soaking polyacrylamide in DMF (Dimethyl Formamide), fully swelling, adding naphthylamine, benzotriazole-1-yl-oxytripyrrolidinyl hexafluorophosphate and N, N-diisopropylethylamine, stirring and reacting for 20-25 hours at room temperature to 30 DEG C, pouring suspension into absolute ethyl alcohol, precipitating, centrifugally separating, fully washing with absolute ethyl alcohol, and drying in vacuum to obtain the fluorescence-labeled polyacrylamide. The method comprises the following steps: preparing an injection solution from a fluorescently-labeled polymer and an unlabeled polymer, injecting the prepared solution containing the fluorescently-labeled polymer into a stratum through an injection well ...

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Номер записи: 2
26-05-2023 дата публикации

Ultrahigh-pressure double-layer belt synchronous operation star-shaped roller

Номер: CN116164086A
Автор: LU XIAOFENG, MA JIAWEN, LI DICHAO, WU YUFENG, GE XINRU
Принадлежит:

The invention discloses an ultrahigh-pressure double-layer belt synchronous operation star-shaped roller, and relates to the technical field of rollers, the ultrahigh-pressure double-layer belt synchronous operation star-shaped roller comprises a first flange mechanism, the first flange mechanism is provided with a first flange, and the middle of the top of the first flange is arranged in a convex shape. According to the ultrahigh-pressure double-layer belt synchronous operation star-shaped roller, a first threaded hole corresponds to a second threaded hole, a first flange can be in threaded connection to the top of the main wheel body through a first lead screw, the first flange at the top of the main wheel body can be detached for use according to actual use requirements, and the main wheel body can be suitable for conveying belts which are slightly wider; the situation that a belt with a large width is not matched with the main wheel body and cannot be used is avoided; the first flange ...

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Номер записи: 3
04-04-2023 дата публикации

Electrolyte and lithium battery containing same

Номер: CN115911556A
Автор: CHEN XIAOQIN, GAN CHAOLUN, ZHANG LI, LU XIAOFENG
Принадлежит:

The invention relates to an electrolyte and a lithium battery containing the electrolyte. In order to solve the problem that the high-temperature stability and high-temperature cycle performance of the lithium battery cannot be considered at the same time, the invention provides the electrolyte which comprises a lithium salt, a non-aqueous organic solvent and an additive, and the additive comprises one or more of thiazole isocyanate with a structure shown in a general formula (1) and derivatives thereof, r1 and R2 in the general formula (1) are respectively and independently H, halogen atom or alkyl, or R1 and R2 are connected to form cyclic hydrocarbon. The water content and acidity of the electrolyte in a high-temperature environment are effectively inhibited from rising through a proper amount of thiazole isocyanate and a derivative additive thereof, and the stability and the electrochemical performance of the electrolyte are improved.

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Номер записи: 4
23-05-2023 дата публикации

Preparation method of ultra-high-temperature aerobic fermentation inoculant prepared from municipal sludge

Номер: CN116144573A
Автор: CHEN LINGXIA, LU XIAOFENG, ZHAO TONGXIN, MAO XIAOFEI, YU RENJIE
Принадлежит:

The invention provides a preparation method of an ultrahigh-temperature aerobic fermentation inoculant prepared from municipal sludge, and relates to the field of microbial culture and application. The preparation method of the ultra-high-temperature aerobic fermentation inoculant prepared from the municipal sludge comprises the following steps: S1, firstly, putting ultra-high-temperature aerobic bacteria into a culture dish by a worker, then fermenting the ultra-high-temperature aerobic bacteria by the worker, then adding a protective agent and a biological strain into the culture dish during fermentation, and carrying out fermentation to obtain a fermentation broth; and S2, stirring the ultrahigh-temperature aerobic bacteria, the biological strains and the protective agent which are added into the culture dish by personnel. The ultra-high temperature aerobic bacteria are put into the culture dish and can be mixed with the protective agent, the humus, the protective agent, the biological ...

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Номер записи: 5
08-05-2014 дата публикации

DATA PACKET PROCESSING METHOD, ELECTRONIC DEVICE, AND STORAGE MEDIUM

Номер: WO2014067310A1
Автор: XIANG, Jinming, ZHOU, Dan, LU, Xiaofeng, WU, Jun
Принадлежит:

Disclosed are a data packet processing method, an electronic device, and a storage medium. A defense module for defending a denial of service attack is preset in a mobile terminal, a connection request party first establishes a connection with the defense module according to a three-way handshake principle of a TCP, and the defense module sends an SYN data packet to the mobile terminal in behalf of the connection request party. When the defense module shakes hands successfully with the mobile terminal, a connection between the connection request party and the mobile terminal is established. A DoS attack, particularly an SYN attack, can be effectively prevented. When a mobile terminal of a user, particularly a mobile phone, is used as a network hotspot, an attack from the outside of a network to the inside of the mobile terminal can be effectively defended.

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Номер записи: 6
11-08-2023 дата публикации

Manganese-doped ruthenium dioxide nanofiber material, preparation method and application of manganese-doped ruthenium dioxide nanofiber material in hydrogen evolution and oxygen evolution of alkaline electro-catalysis water

Номер: CN116573688A
Автор: LU XIAOFENG, LI MO, REN SIYU, CHEN XIAOJIE
Принадлежит:

The invention discloses a manganese-doped ruthenium dioxide nanofiber material, a preparation method and application of the manganese-doped ruthenium dioxide nanofiber material in hydrogen evolution and oxygen evolution of alkaline electro-catalysis water under industrial-grade current intensity, and belongs to the technical field of controllable preparation of doped metal oxide nanomaterials. The manganese-doped ruthenium dioxide nanofiber material is prepared by utilizing two steps of an electrostatic spinning technology and air atmosphere calcination. The whole material exists in a uniform fiber morphology, and the surface is rough. The method is simple, convenient and efficient, and can realize large-scale industrial application. The manganese-doped ruthenium dioxide nanofiber material prepared by the preparation method disclosed by the invention is used as an electrocatalytic water decomposition bifunctional electrocatalyst, shows excellent hydrogen evolution and oxygen evolution catalytic ...

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Номер записи: 7
07-04-2023 дата публикации

Bi-WO3-Ag ternary nanoparticle/nanofiber composite material for gamma ray shielding and preparation method of Bi-WO3-Ag ternary nanoparticle/nanofiber composite material

Номер: CN115928425A
Автор: WANG CE, WANG JING, LIU JIADI, LU XIAOFENG, QIU SHI, NARIMASA, KIM CHANG-HYEON
Принадлежит:

The invention discloses a Bi-WO3-Ag ternary nanoparticle/nanofiber composite material for gamma ray shielding and a preparation method thereof, and belongs to the technical field of preparation of composite nanofiber membranes. According to the preparation method, PAN/PU/AgNO3 composite precursor fibers are prepared through an electrostatic spinning technology, and then the gamma-ray shielding electrostatic spinning nanofiber membrane loaded with Bi-WO3-Ag ternary particles is prepared through a chemical plating method. Compared with an existing micron-sized gamma-ray shielding material, the preparation method of the fiber membrane has lower requirements on equipment, can obtain good gamma-ray shielding performance on the basis of low cost, is suitable for a complex environment polluted by high-energy rays, and has the characteristics of no toxicity, flexibility, light weight, convenience in wearing and the like. When the alloy content on the fiber membrane is 89.92%, the total dose of ...

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Номер записи: 8
09-05-2023 дата публикации

Universal template for internal and external corners

Номер: CN116084682A
Автор: LU XIAOFENG
Принадлежит:

The invention relates to a universal template for internal and external corners. The device comprises a first formwork and a second formwork, the first formwork and the second formwork are rotationally connected through a hinge, a plurality of angle adjusting assemblies are inserted between the first formwork and the second formwork in a penetrating mode, and through the first formwork, the second formwork and the detachable angle adjusting assemblies, the device can adapt to wall corners of different angles and can also adapt to wall corners of different angles; and meanwhile, internal and external corner templates can be converted, the universality of the device is improved, the cost is reduced, and the device can be applied to industrial production and has very high practicability.

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Номер записи: 9
06-06-2023 дата публикации

Preparation method of ultra-high-yield silver nanowires

Номер: CN116213707A
Автор: LU XIAOFENG, REN SIYU, LI MO, XU JIAQI, ZHANG YUE
Принадлежит:

The invention discloses a preparation method of ultra-high-yield silver nanowires, and belongs to the technical field of preparation of one-dimensional nanomaterials. The preparation method comprises the following steps: firstly, dissolving chloride metal salt and polyvinyl pyrrolidone in polyhydric alcohol to obtain a uniform transparent solution; then dropwise adding a polyol solution of silver nitrate into the solution, adding a polyol solution containing a reducing agent after reflux reaction, stirring and naturally cooling to room temperature, and centrifugally washing and drying a reaction product to obtain the silver nanowire. The preparation method of the silver nanowire provided by the invention is an improvement on a polyhydric alcohol reduction method of the silver nanowire, the reaction yield is greatly improved by utilizing a one-pot two-step reduction technology, and the highest yield can reach 95%. The preparation method has the advantages of simplicity in operation, low ...

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Номер записи: 10
18-04-2023 дата публикации

Dehydration tower extraction process in ethyl acetate production

Номер: CN115974685A
Автор: ZHANG CHAO, LU XIAOFENG, WU QINGYUN, ZHU KONGYU, WANG GUANGRONG
Принадлежит:

The invention provides a dehydrating tower extraction process in ethyl acetate production, and belongs to the field of ethyl acetate production, and the dehydrating tower extraction process in ethyl acetate production specifically comprises the following steps: preparing an ethyl acetate raw material; the method comprises the following steps: pretreating acetic acid, putting the acetic acid and concentrated sulfuric acid into an esterification kettle, and heating the esterification kettle to generate ethyl acetate; dehydrating ethyl acetate by using a dehydrating tower, and dehydrating the mixed liquid material in the dehydrating tower; the ethyl acetate is collected and stored, the finished ethyl acetate is led out, the ethyl acetate is canned, and the ethyl acetate is packaged and stored; the method comprises the following steps: treating wastewater, precipitating the wastewater, filtering precipitates, discharging part of water, and circulating part of water in a desulfurization tower ...

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Номер записи: 11
02-05-2023 дата публикации

Special filter belt for ultrahigh-pressure dehydration equipment

Номер: CN116039148A
Автор: CHEN FENG, LU XIAOFENG, LI DICHAO, WU YUFENG, LIU FEI, GE XINRU
Принадлежит:

The invention discloses a special filter belt for ultrahigh-pressure dehydration equipment, and relates to the technical field of ultrahigh-pressure dehydration. The special filter belt for the ultrahigh-pressure dehydration equipment comprises a base, a water pumping box is fixedly connected to the inner wall of the base, a filtering device is fixedly connected to the upper surface of the water pumping box, a first supporting frame is fixedly connected to the outer surface of the filtering device, and the end, away from the filtering device, of the first supporting frame is fixedly connected to the upper surface of the water pumping box; a placing device is fixedly connected to the upper surface of the filtering device, a pressure relief device is movably connected to the upper surface of the placing device, a second supporting frame is fixedly connected to the inner wall of the water pumping box, a water pump is fixedly connected to the end, away from the inner wall of the water pumping ...

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Номер записи: 12
06-06-2023 дата публикации

Effective method for realizing GlusterFS cluster volume dormancy

Номер: CN116225307A
Автор: LAO ZHUHUA, GAO SONG, DONG CHAOCHAO, YU XIAOCHEN, LAN ZHENZHI, LU XIAOFENG, GONG PU, WU YIDUAN
Принадлежит:

The invention relates to an effective method for realizing dormancy of a GlusterFS cluster volume, which belongs to the technical field of data storage equipment and comprises the following steps of: 1, setting dormancy of disk equipment and canceling dormancy by monitoring IO (Input/Output) operation of the GlusterFS cluster volume without directly monitoring the disk equipment, so that the disk equipment is not directly monitored; the GlusterFS cluster disclosed by the invention is a distributed file storage system with high performance, high reliability and extensibility, and is often used as a solution for distributed storage of a data center; a volume in a GlusterFS cluster provides a unified storage space externally, the volume is generally composed of a plurality of bricks, the bricks can be understood as disk devices distributed in different servers one by one, dormancy of the disk is controlled through an upper-layer application program, the disk can save electricity consumption ...

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Номер записи: 13