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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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Применить Всего найдено 2. Отображено 2.
10-03-2010 дата публикации

Fault localization method suitable for three-terminal T connection electric transmission line

Номер: CN0101666847A
Автор: ZHANG YONGGANG, XUE MINGJUN, ZHU JIANHONG, YAO LIANG, LAN JINBO, YONGGANG ZHANG, MINGJUN XUE, JIANHONG ZHU, LIANG YAO, JINBO LAN
Принадлежит:

The invention discloses a fault localization method suitable for a three-terminal T connection electric transmission line, comprising the following steps: firstly, judging the running state of the three-terminal electric transmission line: if the line is in a three-terminal running mode, firstly identifying a fault branch line, and calculating the fault distance according to the electric quantityof both ends of a T connection point and the endpoint of the fault branch line; if the line is in a two-terminal running mode or one side branch line is in a three-terminal running mode in a hot standby state, firstly determining if a fault point is at a switch cut-off branch line or not, if so, adopting a single-terminal localization method to calculate the distance from the T connection point tothe fault point, thereby obtaining the fault distance from the endpoint of the branch line to the fault point; but if the fault point is not at the switch cut-off branch line, respectively carrying out ...

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Номер записи: 1
01-02-2012 дата публикации

Novel drilling rig for drilling holes of lower link plate

Номер: CN0202129473U
Автор: QIUHONG WANG, XIANQIN HU, MINGJUN XUE, WANLIN YANG, WANG QIUHONG, HU XIANQIN, XUE MINGJUN, YANG WANLIN
Принадлежит: JIANGDU XINGUANGHUA MACHINERY MFG CO LTD, JIANGDU XINGUANGHUA MACHINERY MANUFACTURING CO.,LTD.

The utility model relates to a drilling rig for drilling holes of a lower link plate of a motorcycle. The drilling rig comprises a base seat and a sliding base plate arranged on the base seat, wherein, a fixture for clamping the lower link plate is arranged on the sliding base plate; drilling bits with different hole diameters are arranged on a frame and positioned above the drilling holes of the lower link plate; and the fixture comprises positioning mandrels for positioning two side holes of the lower link plate and a positioning block for positioning a hollow end surface. According to the drilling rig, the lower link plate is placed on the movable fixture, and the drilling bits with the different hole diameters are arranged on the drilling rig; when the drilling rig is in use, holes are firstly drilled by using the drilling bit with the large hole diameter; and after the holes are drilled, the drilling holes are aligned with the drilling bit with the small hole diameter to be drilled ...

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Номер записи: 2