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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.
27-08-2021 дата публикации

Lifting frame for remote interactive classroom

Номер: CN214064438U

The utility model discloses a lifting frame for a remote interactive classroom, which comprises a base and a fixed frame, the lower end of the base is provided with a bottom plate, the upper end of the base is provided with a lifting mechanism, the lifting mechanism comprises a fixed seat, a screw rod and a guide column, the lower end of the fixed frame is provided with a connector, the connector is connected with the lifting mechanism, and the fixed seat is connected with the screw rod. An adjusting structure is arranged on the fixing frame and comprises a rotating block, a rotating shaft, a locking inclined block and a mounting plate. The lifting frame for the remote interactive class belongs to the field of lifting frames, the lifting mechanism is arranged, the fixing base, the lead screw and other structures are adopted in the lifting mechanism, the lifting mechanism is used in cooperation with a motor, adjustment can be rapidly carried out, meanwhile, the adjustment stability is high ...

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11-04-2023 дата публикации

Ground source heat pump system working condition change-over valve water channeling judgment and alarm device and method

Номер: CN115950059A
Принадлежит:

The invention discloses a ground source heat pump system working condition change-over valve channeling judgment alarm device and method, and belongs to the field of building energy saving research. Comprising a valve group, a ground source heat pump unit, a ground source water pump, a ground source water collector, a ground source water distributor, a cold and hot water pump, an air conditioner cold and hot water collector and an air conditioner cold and hot water distributor, wherein the internal structure of the valve group comprises a valve, a sensor, a drain pipe, a drain valve and a control box device. According to the judgment method and device, a water system switching valve is a valve set composed of double valves, a drainage pipe is additionally arranged between the switching valve set, namely the two valves, a sensor and accessories are matched, and the judgment and alarm device capable of judging whether the valves leak water (water channeling) or not is formed. The system has ...

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