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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 8. Отображено 8.
02-07-2014 дата публикации

Hot rolled strip steel for automobile clutch diaphragm spring and manufacturing method thereof

Номер: CN103898412A
Автор: HU SONGTAO, WANG YUTIAN, XUE WENGUANG, BIAN YUXIU, MENG CHUANFENG
Принадлежит:

The invention relates to hot rolled strip steel for an automobile clutch diaphragm spring and a manufacturing method thereof. The strip steel consists of the following components in percentage by mass: 0.45-0.57 percent of C, 0.12-0.43 percent of Si, 0.62-1.18 percent of Mn, 0.015-0.06 percent of Al, less than or equal to 0.015 percent of P, less than or equal to 0.010 percent of S, 0.85-1.30 percent of Cr, 0.08-0.30 percent of V and less than or equal to 0.005ppm of N. The manufacturing method is characterized by comprising the following steps: I, external refining: LF deep desulfuration+RH vacuum degasification and Ca treatment of balling inclusion; II, slab continuous casting, wherein the casting speed is 0.6-2.0m/min; III, red charging of a slab, wherein the red charging temperature is higher than or equal to 150 DEG C; IV, slab heating, wherein the heating temperature is 1,210-1,280 DEG C; V, rough rolling unit rolling, wherein the rough rolling final temperature is 1,030-1,150 DEG ...

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Номер записи: 1
23-06-2023 дата публикации

Preparation method of printing ink electric conductor

Номер: CN116285501A
Автор: BAI DONG, XUE WENGUANG, WANG XIAOWEI, JIA LEIRUI, WANG HAITAO
Принадлежит:

The invention belongs to the technical field of ink electric conductor preparation, and particularly relates to a preparation method of an ink electric conductor, which comprises the following steps: preparing an isocyanate-terminated polyurethane prepolymer, adding epoxy resin into the isocyanate-terminated polyurethane prepolymer, then adding ethylene glycol monoethyl ether acetate to dissolve a mixed solution, and reacting for 2-3 hours to obtain polyurethane modified epoxy resin; the method has the beneficial effects that the service life of the ink electric conductor is prolonged by adopting the dried ink electric conductor, the preparation process is simple and reliable, various cold light patterns can be made according to needs, and the ink electric conductor is bright in color, clear in body, good in contrast ratio, energy-saving, environment-friendly, excellent in outdoor interference resistance and suitable for various environments.

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Номер записи: 2
25-05-2011 дата публикации

Method for preventing edge crack of low-carbon steel during rolling at high temperature

Номер: CN0102071356A
Автор: FACAI SHI, YUTIAN WANG, WENGUANG XUE, JIANQING XIN, SHI FACAI, WANG YUTIAN, XUE WENGUANG, XIN JIANQING
Принадлежит:

The invention provides a method for preventing an edge crack of low-carbon steel during rolling at a high temperature, which belongs to the technical field of low-carbon steel rolling. The method is characterized in that: 1, in steel production, the low-carbon molten steel contains the following chemical constituents in percentage by weight: less than or equal to 0.06 percent of C, less than or equal to 0.03 percent of Si, less than or equal to 0.30 percent of Mn, less than or equal to 0.015 percent of P, less than or equal to 0.010 percent of S, 0.020 to 0.070 percent of Al, and 18 to 30 percent of Mn/S; and 2, in thermal rolling, the rough rolling temperature is 1,350 to 800 DEG C, and the finish rolling temperature is also 1,350 to 800 DEG C. By the method, the phenomenon of the edge crack generated during rolling at the high temperature can be avoided.

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Номер записи: 3
29-06-2011 дата публикации

Adhesion detection method for oxidation film on surface of hot rolling strip steel

Номер: CN0102107223A
Автор: FACAI SHI, RUIPENG HOU, CAIHUAN WANG, WENGUANG XUE, SHI FACAI, HOU RUIPENG, WANG CAIHUAN, XUE WENGUANG
Принадлежит:

The invention relates to an adhesion detection method for an oxidation film on a surface of a hot rolling strip steel, belonging to the technical field of hot rolling strip steel surface quality; the method is characterized by comprising the following steps: (1) cutting from the hot rolling strip steel through wire-electrode cutting to be used as a test specimen for a cold bend test; (2) cleaning the surface of the test specimen with alcohol; (3) pasting a scotch tape on the test surface of the test specimen; (4) locating the test specimen on a test machine and carrying out the cold bend test by utilizing a V-shape pressing head of 90 degrees, wherein the bending speed is 10-200mm; (5) removing the scotch tape from the test specimen; (6) shooting the adhesive tape attached with oxidized iron sheet powder, and converting a picture through photoshop software to acquire the quantitative spectrum picture of the powder falling condition; and (7) carrying out area quantitative analysis on the ...

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Номер записи: 4
16-09-2015 дата публикации

Intelligence paper handkerchief machine

Номер: CN0204636179U
Автор: XUE WENGUANG
Принадлежит:

The utility model provides an intelligence paper handkerchief machine, including frame, core, control circuit, the core is installed in the frame, the core includes paper feeding mechanism and the cutting mechanism who is located the paper feeding mechanism below, paper feeding mechanism including form advancing motor and parallel arrangement's a paper feeding mechanism and the 2nd paper feeding mechanism, a paper feeding mechanism includes the first transmission shaft and hugs closely the first driven shaft of complex with the transmission shaft, the 2nd paper feeding mechanism includes the secondary drive axle and hugs closely complex second driven shaft with the transmission shaft, the first transmission shaft provides from top to bottom with the first driven shaft, secondary drive axle and second driven shaft provide from top to bottom, install on the mount at the first transmission shaft and the first driven shaft both ends, install on the mount at secondary drive axle and second driven ...

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Номер записи: 5
25-02-2015 дата публикации

Heat treatment method

Номер: CN104372144A
Автор: HU SONGTAO, WANG YUTIAN, XUE WENGUANG, BIAN YUXIU, MENG CHUANFENG
Принадлежит:

A related heat treatment method is characterized in that heat treatment is performed on a medium/high-carbon steel continuous cast slab and a medium/high-carbon alloy steel continuous cast slab. The medium/high-carbon steel continuous cast slab comprises, in percent by mass, 0.25-1.35% of C, 0.10-0.37% of Si, 0.25-0.80% of Mn, P <=0.035%, and S <=0.030%. The medium/high-carbon alloy steel continuous cast slab comprises, in percent by mass, 0.25-1.50% of C, 0.10-2.10% of Si, 0.30-2.60% of Mn, P <=0.035%, S <=0.035%, Cr <=4.50%, V <=1.20%, Mo <=1.20%, Ni <=4.60%, and B <=0.004%. The heat treatment steps comprise that the temperature of the slab entering a heat treatment furnace is 150 DEG C-850 DEG C, the slab heat-treatment warm-keeping temperature is 300-850 DEG C, the slab heat-treatment warm-keeping time is 3-40 hours, the temperature of the slab exhausted from the furnace after being subjected to heat treatment is 150-550 DEG C, the slab heat-treatment heating speed is 5-250 DEG C/h, ...

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Номер записи: 6
18-11-2015 дата публикации

Nest removal tool

Номер: CN0204793826U
Автор: CHEN HONGWEI, SU GUIFENG, XUE WENGUANG, WANG YANLI, ZHANG XINBING
Принадлежит:

The utility model relates to a nest removal tool belongs to electric power day -to -day work instrument. Nest removal tool includes telescopic link, recess and removes the head, and the telescopic link is the hollow member of telescopic, sets up the bottom at the recess, the recess is semi -circular interior empty bowl form, remove the head and for the platykurtic slide, set up at the edge of recess, extend 5 -15cm to the side, the inside of recess sets up soft mat.

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Номер записи: 7
16-07-2014 дата публикации

Digital circuit board self-diagnosis system and method based on feature compression technique

Номер: CN103926527A
Автор: YU YABO, AN YONGJUN, GU XINGMIN, ZHENG TIEJUN, ZHANG JINWEI, LUO NING, ZHI ZHANNING, MA TAO, XUE WENGUANG, JIANG JIANG, WU WENJUAN, TAO YULING, SUN WENLI
Принадлежит:

The invention discloses a digital circuit board self-diagnosis system based on the feature compression technique. The digital circuit board self-diagnosis system based on the feature compression technique comprises a test vector generating module, a space compression module, a time compression module and a diagnosis module, wherein test vectors are added to N modules to be tested of a circuit board respectively through the test vector generating module, so that test response K*K-order square matrix data are obtained; the test response K*K-order square matrix data are added according to phase modes through the space compression module, so that 2K odd-even check values are obtained; time compression is conducted on the 2K odd-even check values through the time compression module so that a line detection value and a row detection value are obtained; the line detection value and the row detection value are compared with a prestored standard line detection value and a prestored standard row ...

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Номер записи: 8