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Небесная энциклопедия

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

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Мониторинг СМИ

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

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Форма поиска

Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 10. Отображено 10.
23-06-2023 дата публикации

Large component welding deformation quality detection system and method

Номер: CN116295071A
Автор: CAI CHUNBO, ZHANG HUAJUN
Принадлежит:

The invention discloses a large component welding deformation quality detection system and method. The large component welding deformation quality detection system comprises a supporting base, a sensor hanging frame, a double-camera hanging frame, a double-camera measuring assembly and a structured light 3D sensor module, wherein the sensor hanging frame and the double-camera hanging frame are fixed to the supporting base; the double-camera measuring assembly is fixed to the double-camera hanging frame; the double-camera measurement assembly comprises two real-time industrial photogrammetry cameras fixed on the double-camera hanger, lenses fixedly arranged on the real-time industrial photogrammetry cameras, a calibration assembly and a controller connected with the real-time industrial photogrammetry cameras through online cables; the structured light 3D sensor module comprises a 3D sensor and a target plate connected with one side face of the 3D sensor through a flat plate. According to ...

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Номер записи: 1
12-01-2011 дата публикации

Method for preparing molybdenum copper alloy by activated sintering

Номер: CN0101942592A
Автор: SHIBAI GUO, QIPING KANG, CHUNBO CAI, GUO SHIBAI, KANG QIPING, CAI CHUNBO
Принадлежит:

The invention discloses a method for preparing a molybdenum copper (Cu-Mo) alloy by activated sintering, which comprises the following steps of: 1) mixing 82 mass percent of Mo powder and 18 mass percent of Cu powder by mechanical alloying, placing the mixture into a stainless steel tank, placing a stainless steel ball, wherein the ratio of the ball to the powder is 10:1; performing ball-milling on the mixture on a planetary ball mill, wherein the rotating speed of the ball mill is 300r/min; adding an appropriate amount of heptane for preventing the powder from being aggregated to obtain the Cu-Mo composite powder with the average particle size of 1.25mu m, wherein the ball-milling time is 60 hours; and 2) adding 1.0 weight percent of activating element Ni, 1.0 weight percent of activating element Co and 1.0 weight percent of activating element Fe, or 1.5 weight percent of Ni, 1.5 weight percent of Co and 1.5 weight percent of Fe, or 2.0 weight percent of Ni, 2.0 weight percent of Co and ...

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Номер записи: 2
18-04-2023 дата публикации

Application of circIGF1R in promoting myogenic differentiation of porcine skeletal muscle satellite cells

Номер: CN115975916A
Автор: LI MENG, ZHANG NA, GUO XIAOHONG, YANG YANG, LI BUGAO, CAI CHUNBO, CAO GUOQING
Принадлежит:

The invention provides an application of circIGF1R in promoting myogenic differentiation of porcine skeletal muscle satellite cells. The invention discovers that the circRNA-circIGF1R of the pig has the function of promoting the myogenic differentiation of the satellite cells of the pig skeletal muscle for the first time. The invention lays a theoretical foundation for understanding the effect of circRNA in regulating myoblast differentiation, and provides a new theoretical basis for the application of circIGF1R in improving pork quality.

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Номер записи: 3
22-12-2010 дата публикации

Water-cooled motor

Номер: CN0101924415A
Автор: KAI LI, CHUNBO CAI, YINSHENG WU, SHIBAI GUO, LI KAI, CAI CHUNBO, WU YINSHENG, GUO SHIBAI
Принадлежит:

The invention discloses a water-cooled motor with simple machining process, low maintenance cost and excellent cooling effect. The water-cooled motor is provided with a plurality of water-cooled cooling units convenient to mount and dismount in a base wall and also provided with a cooling fan at one non-power output end of a motor rotor so as to improve the cooling effect and lower the temperature of the motor, hollow cavities capable of accommodating cooling water are respectively arranged at the peripheries of bearings at both ends of the motor and respectively provided with a cooling water inlet and a cooling water outlet to form a water-cooled cycle and an air-cooled cycle. The invention can effectively prevent cooling liquid from being corroded to damage main parts of the motor. Compared with a traditional base, the invention can conveniently detect the corrosion condition on one hand and simply and conveniently replace a corroded assembly on the other hand so that the base basically ...

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Номер записи: 4
14-05-2014 дата публикации

Large-gap back-chipping-free welding process for I-shaped groove of middle thick plate

Номер: CN103785932A
Автор: ZHANG HUAJUN, DU YU, LI HONGMING, HUANG HONGYU, LI SEN, BAO KONG, WU SHIPIN, CAI CHUNBO, CHEN ZHIRONG
Принадлежит:

The invention discloses a large-gap back-chipping-free welding process for an I-shaped groove of a middle thick plate. The process includes the following steps: cutting and assembling before welding, namely adopting plasma to cut the middle thick plate and assembling the middle thick plate to form the I-shaped groove, wherein root gap of the groove is smaller than or equal to 3mm, and front gap of the groove is small than or equal to 5mm; performing front back welding, namely performing back welding on the front of the groove by means of small-current oscillation welding to form a welding seam in a large gap without welding penetration; performing front cosmetic welding, namely performing cosmetic welding on the front of the groove in a small-current manner, wherein the welding seam of front back welding is not burnt through in the process of front cosmetic welding; performing back submerged arc welding, namely directly performing submerged arc welding on the back of the groove without ...

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Номер записи: 5
04-07-2023 дата публикации

Magnetic powder inspection mechanism and magnetic powder inspection robot

Номер: CN116381036A
Автор: ZHANG HUAJUN, CAI CHUNBO, SUN LEI
Принадлежит:

The invention relates to a magnetic powder inspection mechanism and a magnetic powder inspection robot, and the magnetic powder inspection mechanism comprises a magnetic spraying device, a magnetizing device and an image acquisition device, and also comprises a lifting adjustment driving device for driving the magnetizing device to lift and a rotation adjustment driving device for driving the magnetizing device to rotate, the lifting adjustment driving device is mounted on the lifting adjustment mounting seat, the rotation adjustment driving device is mounted on the rotation adjustment mounting seat, the lifting direction of the magnetizing device is parallel to the length direction of the magnetic pole, and the rotation axis of the magnetizing device is parallel to the length direction of the magnetic pole; and the rotation axis of the magnetizing device is vertically intersected with the midpoint of the magnetic pole connecting line of the two magnetic poles. The height of the magnetizing ...

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Номер записи: 6
29-08-2023 дата публикации

Highly-integrated caterpillar band independent driving unit structure

Номер: CN116654135A
Автор: ZHANG JIANZHONG, YI XIN, GONG TAIYAN, YANG HAIJUN, JIA LEI, LI ZENGRONG, YANG HUCHENG, ZHOU JIAHUI, DU HAO, GAO FENG, ZHOU JIE, HUANG JUNQING, WANG YILIANG, WANG BINBIN, HU DONGYANG, ZHAO LEI, CAI CHUNBO, E QINGWEN, LIU YANAN, FU YAN, ZHAO YUAN, ZHANG JUNPENG, SHI YANDONG, LI XIAOYAN, HUO ZHIHUI
Принадлежит:

The independent driving unit structure comprises a driving unit support, an integrated electric driving wheel, an electric appliance system, a power source, a multi-connecting-rod coupling action system, a remote control system and a crawler belt. According to the invention, modularization and high integration are realized; the structural form that action, heat dissipation, driving, control, remote control and other systems are highly integrated on the inner side of the crawler belt is adopted, an independent driving unit is formed, an external connector is designed, the driving unit can be used independently and can also be used in groups, rapid combination of two or more driving units can be achieved, all the driving units achieve master-slave control mutually, and the driving efficiency is improved. And the maneuverability of the whole vehicle and the adaptability to multiple road conditions are improved. The module has the advantages of being large in expansion space and high in free ...

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Номер записи: 7
01-04-2015 дата публикации

Preparation method for high-dispersion superfine nanometer Mo-Cu compound powder

Номер: CN104475759A
Автор: GUO SHIBAI, SUN JING, LIU LIXIN, CAI CHUNBO
Принадлежит:

The invention discloses a preparation method for high-dispersion superfine nanometer Mo-Cu compound powder. Firstly, an ammonia-water solution of copper salt is added to a deionized water solution of molybdenum salt, a mixed solution is formed, the pH of the mixed solution is adjusted to be 5-7, then the water solution is heated, filtered, washed, dried and calcined, and precursor molybdenum and copper oxide power is obtained; secondly, the precursor powder is restored in hydrogen, and the high-dispersion superfine nanometer Mo-Cu compound powder is obtained. The nanometer powder prepared through the method has the advantages of being large in specific surface area, fine and uniform in particle diameter, high in purity and the like. Through the simple and effective method that the molybdenum and copper precursor powder is prepared through chemical coprecipitation, magnetic stirring and thermostatic waterbath heating, and then is calcined and restored, the method is simple and rapid, the ...

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Номер записи: 8
12-01-2011 дата публикации

Method for fast preparing molybdenum-copper alloy

Номер: CN0101942591A
Автор: SHIBAI GUO, CHUNBO CAI, QIPING KANG, GUO SHIBAI, CAI CHUNBO, KANG QIPING
Принадлежит:

The invention discloses a method for fast preparing a molybdenum-copper alloy. In the method, the molybdenum-copper alloy is prepared by the following steps of: 1) mixing 82 mass percent of Mo powder and 18 mass percent of Cu powder in a mechanical alloying way, placing the mixture into a stainless steel tank, placing stainless steel balls into the tank according to the ratio of the balls to the mixture of 10:1, performing ball-milling on a planetary ball mill at the rotating speed of 300r/min, adding a proper amount of heptane to prevent the powder from being aggregated and performing the ball-milling for 60 hours to obtain molybdenum-copper composite powder with the average particle size of about 1.25 mu m; and 2) compacting the molybdenum-copper powder in a graphite mould, and sintering the compacted molybdenum-copper powder into the molybdenum-copper alloy in a spark plasma sintering device, wherein the sintering process comprises the following steps of: raising the temperature to the ...

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Номер записи: 9
02-11-2011 дата публикации

Method for preparing Ti-Nb-Zr-Sn alloy by using powder metallurgical process

Номер: CN0102230100A
Автор: SHIBAI GUO, CHUNBO CAI, QIPING KANG, YONGQIANG ZHANG, YONG XIAO, GUO SHIBAI, CAI CHUNBO, KANG QIPING, ZHANG YONGQIANG, XIAO YONG
Принадлежит:

The invention provides a method for preparing a Ti-Nb-Zr-Sn alloy by using a powder metallurgical process and belongs to the technical field of powder metallurgy. The method comprises the following steps of: (a) preparing TiH2 powder, Nb powder, Zr powder and Sn powder wherein the mass ratio of TiH2:Nb:Zr:Sn is 66.1:24:4:7.9; (b) dry-mixing the prepared powders for 5 hours; (c) pressing for forming the powder mixture obtained by dry mixing in a universal material testing machine under such conditions that the pressing pressure is 350 MPa and the pressure maintaining time is 7 to 8 seconds; and (d) sintering the formed sample in a vacuum sintering furnace. Compared with the prior art, the preparation method provided by the invention has the advantages that the sintering temperature is low,the sintering time is short, and the obtained product has a high density and a small and uniform crystal grain size, low impurity content, high tensile strength and high hardness.

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Номер записи: 10