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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 3. Отображено 3.
23-05-2023 дата публикации

On-site measurement method for roughness of smooth blasting rock surface

Номер: CN116147542A
Автор: ZHANG LI, WANG CHANGKUN, JIANG YONGWEI, LIU BIN, CHEN NING, CHEN DIANHANG, GE YUNLONG, CAO XIA
Принадлежит:

The invention belongs to the technical field of blasting construction, and particularly relates to a smooth blasting rock surface roughness field measurement method, which comprises the following steps: S1, mounting a support rod at the center of a to-be-measured area of a blasting rock surface, and mounting another support rod at the outer edge of the to-be-measured area; s2, a sliding assembly is arranged on a sliding rail in a sleeving mode, then the sliding rail is installed between the top ends of the two supporting rods, and the sliding rail is made to be in a horizontal state; s3, the laser measuring instrument installed on the surface of the sliding assembly is driven by the sliding assembly to slide along the sliding rail, and meanwhile multi-point measurement is conducted on the height of the passed rock surface; s4, the positions of the two supporting rods are adjusted, and the laser measuring instrument works in a reciprocating mode, so that the roughness of the rock surface ...

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Номер записи: 1
06-06-2023 дата публикации

High and cold region tunnel construction quality detection equipment

Номер: CN116222447A
Автор: ZHANG GUOBIN, ZHANG LI, WANG CHANGKUN, MA BAOLI, JIANG YONGWEI, CHEN DIANHANG, PENG LUN, CHEN NING
Принадлежит:

The invention belongs to the technical field of tunnel detection, and particularly relates to high and cold area tunnel construction quality detection equipment which comprises a vehicle body. A display panel is mounted on one side of the vehicle body; the top of the vehicle body is slidably connected with a mounting column; a hydraulic cylinder is mounted in the vehicle body, and the output end of the hydraulic cylinder is fixedly connected with the bottom of the mounting column; one side of the mounting column is fixedly connected with a mounting block through a telescopic assembly; a thickness measuring probe is arranged on the side, away from the telescopic assembly, of the installation block. When the thickness of the tunnel lining is detected, the vehicle body is moved to the position near the surface of the tunnel lining, the hydraulic cylinder controls the installation column to slide on the top of the vehicle body so that the installation block can be adjusted to the proper height ...

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Номер записи: 2
10-08-2005 дата публикации

Bulletproof clothes of carbon fiber composite material

Номер: CN0001651849A
Автор: CHEN DIANHANG, CHEN XINGXING, XING JINGSHI, DIANHANG CHEN, XINGXING CHEN, JINGSHI XING
Принадлежит:

The present invention relates to a carbon fibre composite material flak jacket. Said flak jacket is made up by using polyacrylonitrile-based carbon fibre, aramid fibre, ultra-high-tenacity high-elastic polyethylene fibre, Spectera fibre, bave, Teflon fibre, polyurethane sheet and polyurethane film through a certain production process. Said flak jacket is light in weight, can meed GA141-2001 safety standard, and its concavity is 9.3-10.4 mm, and said flak jacket has the several functions of resisting bullet, resisting stab, resisting cut, antiriot and resisting fire.

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Номер записи: 3