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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 2. Отображено 2.
29-08-2023 дата публикации

Tree anti-typhoon supporting structure

Номер: CN116649149A
Принадлежит:

The invention discloses an anti-typhoon supporting structure for trees, and relates to the field of tree protection devices.The anti-typhoon supporting structure comprises a fixing frame, four supporting frames are fixedly connected to the bottom end of the fixing frame, connecting frames are fixedly connected to the adjacent sides of the supporting frames, a rotating assembly is arranged at the top end of the fixing frame, and the rotating assembly comprises a rotating shaft; the rotating shaft is rotationally connected to the top end of the fixing frame, a plurality of long blocks are fixedly connected to the exterior of the rotating shaft, a first gear is fixedly connected to the bottom end of the rotating shaft, a second gear is connected to the exterior of the first gear in an engaged mode, and a second rotating rod is fixedly connected to the interior of the second gear. According to the device, the rotating assembly is arranged, by means of the design of the rotating assembly, a ...

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28-04-2023 дата публикации

Double-arc groove type air seal ring

Номер: CN116025715A
Принадлежит:

The invention belongs to the technical field of airtight rings for pumps, and particularly relates to a double-arc groove type air seal ring. The sealing ring comprises an annular ring body, a radial hole is formed in the outer ring face of the ring body in the radial direction to the inner ring face of the ring body in a penetrating mode, an arc-groove-shaped inner groove body is formed in the inner ring face of the ring body in a concave mode, and the groove length direction of the inner groove body is parallel to the axis of the ring body; when the number of the radial hole is one, the axis of the radial hole is located on the Y axis of the coordinate system; when more than two radial holes are sequentially arranged around the axis of the ring body, the radial holes are symmetrically distributed along the Y axis of the coordinate system; a radial hole and an inner groove body which are located on the same side of the ring body and communicated with each other form a group of air ventilation ...

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