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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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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.
21-07-2023 дата публикации

Fabricated precast slab structure and construction method thereof

Номер: CN116463903A
Принадлежит:

The invention discloses a fabricated precast slab structure and a construction method thereof, and belongs to the technical field of precast slabs. The structure comprises a first precast slab and a second precast slab connected with the side part of the first precast slab; a plurality of assembling frames are installed on the edge of the side, close to the second prefabricated slab, of the first prefabricated slab, the assembling frames are rotationally connected with the first prefabricated slab, telescopic pulling plates are arranged in the assembling frames, and the telescopic pulling plates are in sliding fit with the inner walls of the assembling frames; the assembling frame comprises a mounting block, a nail body penetrates through the mounting block, one end of the nail body is located outside the assembling frame, and the other end of the nail body is used for being fastened to the surface of the telescopic pulling plate through threads; and a fastening stud is arranged on the ...

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15-08-2023 дата публикации

Limiting device for steel structure welding

Номер: CN116586869A
Принадлежит:

The invention discloses a limiting device for steel structure welding. The limiting device comprises a first limiting butt joint mechanism, a second limiting butt joint mechanism, a vertical rod and a circular ring. The first limiting butt joint mechanism is used for clamping a steel structure to be welded. The second limiting butt joint mechanism is used for clamping another steel structure to be welded. The vertical rod is rotationally connected with the first limiting butt joint mechanism. The circular ring is arranged on the vertical rod in a sleeving mode and fixedly connected with the second limiting butt-joint mechanism. The limiting device for steel structure welding has the beneficial effects that the angle of the limiting device for steel structure welding is preset, and then the steel structure is constantly clamped for welding.

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16-05-2023 дата публикации

Method for installing lighting glass plate of fabricated concrete hollow sandwich plate-column structure

Номер: CN116122546A
Принадлежит:

The invention discloses a method for installing a lighting glass plate of a fabricated concrete open-web sandwich plate column structure, and relates to the technical field of building construction. The mounting method of the fabricated concrete open-web sandwich plate column structure lighting glass plate comprises the following specific operation: preparing corresponding materials including a concrete open-web sandwich plate column structure, green environment-friendly lighting glass, a special glass fixing frame, a silicone structural sealant and a pre-embedded glass fixing connecting piece. According to the mounting method of the fabricated concrete open-web sandwich plate column structure lighting glass plate, the environment-friendly lighting glass plate is used for replacing a traditional reinforced concrete plate, manpower, material resources and financial resources are saved, the environment is protected, the self weight of the structure is greatly reduced, meanwhile, the good ...

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06-06-2023 дата публикации

Fabricated prestressed concrete pipe pile core cleaning device and using method thereof

Номер: CN116220038A
Принадлежит:

The invention discloses an assembly type prestressed concrete pipe pile core cleaning device and a using method thereof, and relates to the technical field of building construction. The assembly type prestressed concrete pipe pile core cleaning device comprises an operating rod, a stretching rod, a rotating shaft, a butt joint opening, a butterfly plate and a recycling disc. The rotating shaft is sequentially composed of an upper connecting area, a motor area and a lower connecting area from top to bottom. The inner diameter of the stretching rod is larger than the outer diameter of the upper connecting area, and the stretching rod and the upper connecting area can be tightly connected. According to the assembly type prestressed concrete pipe pile core cleaning device and the using method thereof, operation is easy, the cleaning speed of assembly type prestressed concrete pipe pile core earthwork is greatly increased, the labor expenditure is reduced while the working efficiency is improved ...

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