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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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Применить Всего найдено 11. Отображено 11.
23-05-2023 дата публикации

Method and device for predicting abnormal state of service node

Номер: CN116149927A
Автор: JIANG QUNHUA, HE WEIYANG, YU WENQING, RONG JIA, LI WEI
Принадлежит:

A method and a device for predicting an abnormal state of a service node are suitable for a distributed micro-service system and are used for monitoring and reasoning prediction of the state of each service node, and the method comprises the following steps: obtaining the operation state of each service node in a monitoring system at a first moment; the monitoring system is constructed by taking a service node serving as a monitoring object in the distributed micro-service system as a center; according to the running state of each service node and a state transition matrix of the monitoring system, determining a conversion probability of converting the monitoring system into various set states at a second moment; the state transition matrix is obtained through the historical operation state of each service node in the monitoring system; and determining the service node corresponding to the abnormal state as the service node which may be abnormal at the second moment from the set state of ...

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Номер записи: 1
09-05-2023 дата публикации

Single-component finish paint for automobile body and preparation method of single-component finish paint

Номер: CN116082896A
Автор: HE WEIYANG, LIU WEIWEI, ZHOU XIAN, WANG SHANGQIU, SONG LIQIANG, PU FEI, HONG LIANG
Принадлежит:

The invention discloses a single-component finish paint for an automobile body. Comprising the following components in parts by weight: 30-40 parts of a water-based polyacrylic acid dispersion, 0-10 parts of water-based polyester resin, 8-20 parts of deionized water, 0.1-0.4 part of a pH regulator, 8-10 parts of amino resin, 0.15-0.4 part of a drier, 3-5 parts of a coalescing agent, 0.3-0.6 part of a base material wetting agent, 0.5-1 part of a light stabilizer, 0.5-1 part of an ultraviolet absorbent and 20-35 parts of a pigment grinding color paste mixture. The single-component finish paint for the automobile body is high in cost performance and excellent in performance, and the prepared single-component finish paint for the automobile body has the advantages of being high in water resistance, high in chemical resistance, high in hardness, excellent in impact resistance and adhesive force, high in gloss, high in fullness, high in ageing resistance and the like.

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Номер записи: 2
19-03-2014 дата публикации

Neodymium-iron-boron magnet and preparation method thereof

Номер: CN103646742A
Автор: KE BIN, HU SHENGQING, HE WEIYANG, ZHAO BAOBAO
Принадлежит:

The invention discloses a neodymium-iron-boron magnet and a preparation method thereof. The neodymium-iron-boron magnet consists of a neodymium-iron-boron matrix alloy and doped components, wherein the doped components are tin and aluminum nano particles; the doping amount of the tin nano particles accounts for 0.02-1.0 percent of the weight of the neodymium-iron-boron matrix alloy, and the doping amount of the aluminum nano particles accounts for 0.03-3.0 percent of the weight of the neodymium-iron-boron matrix alloy. The invention also discloses a preparation method of the neodymium-iron-boron magnet. Compared with the conventional neodymium-iron-boron magnet, the internal grasping coercive force of the neodymium-iron-boron magnet disclosed by the invention is improved by 8-20 percent, and the working temperature is increased by 30-50 DEG C; under the condition of the same performance, the content of heavy rare earth and the content of strategic metal cobalt are reduced, and the production ...

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Номер записи: 3
30-10-2020 дата публикации

Magnetic field die verticality detection device

Номер: CN0211824223U
Автор: LIU ZHU, HE WEIYANG, LIANG GUN, ZHOU YU, DENG ATAO
Принадлежит: HUNAN BENLANG NEW MATERIAL TECH CO LTD, HUNAN BENLANG NEW MATERIAL TECHNOLOGY CO., LTD.

The utility model discloses a verticality detection device for a magnetic field die. The upper die comprises an upper die connecting block which is shaped like a Chinese character'ren '. An upper dieconnecting rod is mounted above the end part of one end of the plane of the upper die connecting block; a detection rod is arranged in the middle of the plane of the upper die connecting block; the detection rod is mounted on the upper die connecting block through a detection rod screw rod and a detection rod nut; a bearing is arranged at the bottom of the detection rod; the bearing abuts againstthe inner wall of the cavity. The detection rod is connected with the vertical surface of the upper die connecting block through a spring; a through groove is formed in the vertical surface of the upper die connecting block; the detection rod is connected with a dial indicator screw rod through a linkage rod penetrating through the through groove; according to the magnetic field mold perpendicularity ...

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Номер записи: 4
05-05-2010 дата публикации

Carbon-containing sintered permanent magnetic ferrite and fabrication method thereof

Номер: CN0101700974A
Автор: HE WEIYANG, QIU PENGXIANG, ZHANG TIEJUN, ZHENG LIANG, WEIYANG HE, PENGXIANG QIU, TIEJUN ZHANG, LIANG ZHENG
Принадлежит:

The invention discloses a carbon-containing sintered permanent magnetic ferrite and a fabrication method thereof. A main phase of the carbon-containing sintered permanent magnetic ferrite is MO.nFe2O3, wherein n is 5.0-6.5, M contains a metal element of Sr or Ba or Ca or the mixture thereof, the permanent magnetic ferrite contains 0.02%-0.1% by weight of carbon element, and the content by weight of the carbon in insoluble matters in hydrochloric acid is 0.1%-10%. The sintered permanent magnetic ferrite with higher magnetic performance is produced by simultaneously adding strontium carbonate and carbon powder with lower cost for replacing a rare earth compound and a Co compound with expensive price, and an organic dispersant does not need to be added, thereby eliminating the potential problems that the production cost is affected due to difficult dehydration, easy cracking of a blank and the like during the production; compared with the traditional permanent magnetic ferrite, the sintering ...

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Номер записи: 5
08-08-2023 дата публикации

Preparation method of cerium-containing neodymium iron boron magnet

Номер: CN116564689A
Автор: TANG GUOTUAN, ZHANG LIN, HE WEIYANG, LI HAIBIN, ZHOU YU
Принадлежит:

A preparation method of a cerium-containing neodymium iron boron magnet comprises the following steps: preparing an R-M-B series diffusion base material containing Ce, preparing a diffusion source R1 and a diffusion source R2, placing the diffusion source R1 on the surface of the R-M-B series diffusion base material, and placing the diffusion source R2 on the surfaces of the R-M-B series diffusion base material and the diffusion source R1 to obtain R-M-B-R1-R2; and performing diffusion heat treatment on the R-M-B-R1-R2 to diffuse at least one of Pr and Nd and at least one of Dy and Tb contained in the diffusion source from the surface of the R-M-B sintered magnet material to the inside thereof. According to the method, a small amount of light rare earth R1 is placed on the surface of the Ce-containing magnet, then heavy rare earth R2 is placed on the surfaces of R1 and the Ce-containing magnet, on one hand, the light rare earth R1 is diffused into the Ce-containing magnet to improve Hcj ...

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Номер записи: 6
09-05-2012 дата публикации

Carbon-containing sintered permanent magnetic ferrite and fabrication method thereof

Номер: CN0101700974B
Автор: HE WEIYANG, QIU PENGXIANG, ZHANG TIEJUN, ZHENG LIANG, WEIYANG HE, PENGXIANG QIU, TIEJUN ZHANG, LIANG ZHENG
Принадлежит:

The invention discloses a carbon-containing sintered permanent magnetic ferrite and a fabrication method thereof. A main phase of the carbon-containing sintered permanent magnetic ferrite is MO.nFe2O3, wherein n is 5.0-6.5, M contains a metal element of Sr or Ba or Ca or the mixture thereof, the permanent magnetic ferrite contains 0.02%-0.1% by weight of carbon element, and the content by weight of the carbon in insoluble matters in hydrochloric acid is 0.1%-10%. The sintered permanent magnetic ferrite with higher magnetic performance is produced by simultaneously adding strontium carbonate and carbon powder with lower cost for replacing a rare earth compound and a Co compound with expensive price, and an organic dispersant does not need to be added, thereby eliminating the potential problems that the production cost is affected due to difficult dehydration, easy cracking of a blank and the like during the production; compared with the traditional permanent magnetic ferrite, the sintering ...

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Номер записи: 7
02-04-2014 дата публикации

Neutral lining of medium-frequency induction furnace for smelting of sintered neodymium-iron-boron permanent-magnet material

Номер: CN103693983A
Автор: KE BIN, HU SHENGQING, HE WEIYANG, ZHAO BAOBAO
Принадлежит:

The invention relates to a neutral lining of a medium-frequency induction furnace for smelting of a sintered neodymium-iron-boron permanent-magnet material, which is manufactured through the following steps: proportionally mixing high-alumina bauxite chamotte used as a main raw material and added magnesia powder and admixture, uniformly stirring, ramming and baking. The neutral lining obtained by the invention has the characteristics of high refractoriness, excellent chemical property stability and volume stability, favorable thermal shock resistance, convenient and quick furnace building process, short furnace baking time, long furnace life, low comprehensive cost and the like.

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Номер записи: 8
12-03-2014 дата публикации

High-magnetic energy product sintered neodymium-iron-boron permanent-magnet material and preparation method thereof

Номер: CN103632792A
Автор: ZHAO BAOBAO, HE WEIYANG, HU SHENGQING, KE BIN
Принадлежит:

The invention provides a high-magnetic energy product sintered neodymium-iron-boron permanent-magnet material and a preparation method thereof. The chemical formula of the high-magnetic energy product sintered neodymium-iron-boron permanent-magnet material is (PraNdb)xFe(1-x-y-z)MyBz, wherein in the formula, a and b represent the weight percentages of Pr and Nd which are contained in raw materials praseodymium and neodymium, and a+b=100%; x, y and z respectively represent the weight percentages of corresponding elements in the chemical formula; M is one or more elements of Nb, Ga, Cu and Co. The invention also relates to the preparation method of the high-magnetic energy product sintered neodymium-iron-boron permanent-magnet material. The high-magnetic energy product sintered neodymium-iron-boron permanent-magnet material disclosed by the invention achieves the magnetic energy product (BH)max more than 51 MGsOe and can meet the requirement for application of a permanent-magnet functional ...

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Номер записи: 9
19-05-2023 дата публикации

Device for assisting in putting in and taking out cystoscope

Номер: CN116135131A
Автор: XIAO MINGCHAO, HE WEIYANG, QIN LANG, XU YINGJIE, ZHU JUNLONG, TAN HAO
Принадлежит:

The invention discloses a device for assisting a cystoscope to be placed in and taken out, and relates to the technical field of medical instruments, the device comprises a probe rod, and a power supply is arranged in the probe rod; the electromagnet adsorption piece is arranged at the end part of one end of the probe rod; the button switch is arranged at one end, opposite to the electromagnet adsorption piece, of the probe rod; wherein the electromagnet attraction part and the button switch are both electrically connected with the power source to form a closed loop, and when the button switch is turned on, the electromagnet attraction part has magnetism so as to achieve magnetic attraction of the cystoscope to be placed in and taken out. Through the arrangement of the probe rod and the electromagnet adsorption part, an operator can independently and rapidly complete the operation of placing the cystoscope into the bladder and taking the cystoscope out of the bladder, the operation efficiency ...

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Номер записи: 10
30-06-2023 дата публикации

Multifunctional wireless capsule cystoscope assembly

Номер: CN116350155A
Автор: XIAO MINGCHAO, HE WEIYANG, QIN LANG, XU YINGJIE, ZHU JUNLONG, TAN HAO
Принадлежит:

The invention discloses a multifunctional wireless capsule cystoscope assembly, and relates to the technical field of medical examination instruments. Comprising a wireless capsule cystoscope; the wireless capsule cystoscope comprises a rear shell and a transparent optical front cover connected with the rear shell in a matched mode. A radio frequency plate, a microcontroller, a battery, a magnet, an imaging plate, a lens and a flash lamp are arranged in an inner cavity of the rear shell and the optical front cover; the battery is electrically connected with the microcontroller; the microcontroller is electrically connected with the radio frequency board, the imaging board and the flash lamp. The lens is arranged on the imaging plate. The wireless capsule cystoscope is adopted for noninvasive detection, discomfort cannot be brought to a patient, the posture controller can be used for well controlling the direction of the wireless capsule cystoscope, all important anatomical markers of the ...

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Номер записи: 11