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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 4. Отображено 4.
13-03-2013 дата публикации

Low-type combination-drive trackless rubber-tire carrier vehicle

Номер: CN102963457A
Принадлежит:

The invention belongs to the field of a coal mine underground auxiliary transporting device, and designs a low-type combination-drive trackless rubber-tire carrier vehicle for the weaknesses of the prior art, and the low-type combination-drive trackless rubber-tire carrier vehicle comprises a front rack, a rear rack, a hinge turntable, a drive axle, four traveling wheels and a motor, wherein the front rack is connected with the hinge turntable, and the hinge turntable is connected with rear rack; the front rack is provided with a cab, an explosion-proof engine, a hydraulic valve bank, a hydraulic oil tank and a speed-changing box, the explosion-proof engine is connected with a hydraulic torque converter and a hydraulic oil pump, the hydraulic torque converter is connected with the speed-changing box through an upper transmission shaft, the speed-changing box is connected with a drive axle through a lower transmission shaft, and the drive axle is connected with a front wheel to form a hydraulic ...

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17-07-2013 дата публикации

Automatic pipe bender

Номер: CN103203401A
Принадлежит:

The invention relates to an automatic pipe bender which comprises a base, a left support, a right support, a speed reducing mechanism, an output torque amplifying mechanism and a pipe bending implementing mechanism. The left support and the right support are fixed on the base, an input end of the speed reducing mechanism is connected with an output end of an electric drill through a first shaft, an output end of the speed reducing mechanism is connected with an input end of the output torque amplifying mechanism, and an output end of the output torque amplifying mechanism is connected with the pipe bending implementing mechanism. The electric drill is taken as a power source, the rotating speed of the electric drill is adjusted to be suitable for pipe bending operations through the electric drill, the output torque amplifying mechanism is adopted to enable a torque force applying point to be extended outwards from the input end of the output torque amplifying mechanism to the output end ...

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03-04-2013 дата публикации

Benzotriazole-hindered amine composite photostabilizer and preparation method thereof

Номер: CN103012843A
Принадлежит:

The invention discloses a benzotriazole-hindered amine composite photostabilizer of which the structural formula is disclosed in the specification, wherein R1 is H, CH3, C2H5, OCH3, OC2H5, Cl or Br, R2 is disclosed in the specification, R3 is alkyl group, alkoxy group or alkanoyl group, and R4 is H, alkyl group, alkoxy group or alkanoyl group. The invention also discloses a preparation method of the benzotriazole-hindered amine composite photostabilizer, which comprises diazo-coupling reaction, reduction ring-closing reaction, acyl-chlorination reaction, and alcoholization or ammonification reaction, thereby obtaining the benzotriazole-hindered amine composite photostabilizer.

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13-03-2013 дата публикации

Bidirectional driving accelerator control device of anti-explosion rubber-tyred vehicle under coal mine

Номер: CN102963251A
Принадлежит:

The invention belongs to an accelerator control device of an anti-explosion rubber-tyred vehicle under a coal mine, and particularly relates to a bidirectional driving accelerator control device of the anti-explosion rubber-tyred vehicle under the coal mine, which solves the problem of the operation and control of the traditional bidirectional driving accelerator of the anti-explosion rubber-tyred vehicle under the coal mine. The bidirectional driving accelerator control device is an air pressure driving mechanism and comprises an air source device, a forward/backward gear manual reversing valve, two air control valves, two accelerator control pedal valves, a shuttle valve, an accelerator control cylinder and an engine accelerator pull rod, wherein the forward/backward gear manual reversing valve is a three-position five-way valve, the two accelerator control pedal valves are proportional decompression valves, and the accelerator control cylinder is a proportional control cylinder. The ...

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