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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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Применить Всего найдено 2. Отображено 2.
30-06-2023 дата публикации

Multipurpose 5.0 borosilicate glass as well as preparation method and application thereof

Номер: CN116354602A
Автор: ZHAO HUIFENG, ZHOU LI, FU YOUJIE, HE JIANXIONG, LI JUNGE, HAO XIA, FU RENDAO, LIANG XIANG
Принадлежит:

The invention discloses a preparation method of multipurpose 5.0 borosilicate glass, which is prepared from the following raw materials in percentage by weight: 68.0 to 70.0 percent of silicon dioxide, 17.0 to 18.0 percent of diboron trioxide, 6.0 to 8.0 percent of sodium oxide, 2.0 to 4.0 percent of zinc oxide, 1.5 to 2.0 percent of zirconium dioxide, 0.3 to 0.5 percent of hafnium oxide, 0.5 to 1.0 percent of yttrium oxide and 0.5 to 1.0 percent of scandium trioxide. The multipurpose 5.0 borosilicate glass prepared by the invention has the characteristics of good chemical stability and thermal stability, two levels of water resistance and acid resistance meet the requirements of medicinal packaging, and the multipurpose 5.0 borosilicate glass has the properties of easy sealing and the like to meet the requirements of photomultipliers.

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Номер записи: 1
23-06-2023 дата публикации

Roller wiping device for transition roller of float line slag box

Номер: CN116282880A
Автор: GUO FENGJIAO, JIANG HONG, WANG HONGJUAN, HE JIANXIONG, XIAO QIN, LUO FEIHU, XIE DONGHENG, FU RENDAO
Принадлежит:

According to the roller wiping device for the transition roller of the float line slag box, in the process that the transition roller of the slag box is seriously polluted and needs to be overhauled or cleaned, the vehicle frame is pushed to enable the fixing rod and the mounting base provided with the temporary graphite block to integrally stretch into the position below the transition roller, and the height position of the supporting frame is adjusted through the fastening piece; stress at the two ends of the fixing rod is balanced through the balance weight assembly, the pull rope is wound through the tensioning device, the pull rope pulls the connecting rod and drives the connecting rod to drive the graphite block to abut against the transition roller, then the balance weight of the balance weight assembly is properly increased, the pull rope is further wound in cooperation with the tensioning device, and the pressure between the graphite block and the transition roller is increased ...

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Номер записи: 2