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

Foundation pit supporting structure and construction method thereof

Номер: CN116657615A
Автор: MOU YANG, ZOU XIAOLIN, QIAO XINQI, WEI WENBIN, LIAO HONGWEI, XING PENGFEI, LI LINGJIE, ZHAO YONGZHENG, ZENG ZONGWEI, LIU DING
Принадлежит:

The invention relates to the technical field of buildings, and discloses a foundation pit supporting structure and a construction method thereof.The foundation pit supporting structure comprises a first supporting assembly used for supporting the side wall of a foundation pit, and the first supporting assembly is provided with a first grouting cavity; the second supporting assembly is arranged on the side, away from the side wall, of the first supporting assembly, and the second supporting assembly is provided with a second grouting cavity; the grouting assembly is arranged between the first supporting assembly and the second supporting assembly, the grouting assembly is provided with a grouting pipeline and a grout inlet, the first grouting cavity communicates with the second grouting cavity, and the grouting pipeline, the first grouting cavity and the second grouting cavity can be filled with grouting materials by pouring the grouting materials into the grout inlet; and the first supporting ...

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Номер записи: 1
16-04-2014 дата публикации

Precision measuring instrument of machine tool

Номер: CN103727909A
Автор: ZENG ZONGWEI
Принадлежит:

The invention discloses a precision measuring instrument of a machine tool. The precision measuring instrument comprises a data processing device, a fixed bracket, a measuring device and a connecting rod, wherein the measuring device is fixed on the fixed bracket and is provided with a sensor; the connecting rod is arranged at the rear part of the sensor which is also provided with a cable; the data processing device is connected with the sensor by the cable. By adoption of the mode, the precision measuring instrument disclosed by the invention has the advantages of high reliability, accuracy in travel positioning or angle positioning, compact structure, convenience in use and low cost and the like and also has wide market prospect in the field of measurement of the machine tool.

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Номер записи: 2