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Axis coordinate system based engine rotor kinetic dynamic model analyzing method, involves fixing bearing part with surface of rotating shaft, measuring angle displacement of rotating disk, and establishing kinetic energy expression. 专利
申请日期: 2015-01-01, 公开日期: 2015-02-18
作者:  GAO Q LI M WU F ZHONG W
收藏  |  浏览/下载:6/0  |  提交时间:2019/12/09
Sustained-release composition containing tetrahydropyrido[4, 3-b]indole derivatives and preparation of the derivatives 专利
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收藏  |  浏览/下载:1/0  |  提交时间:2019/12/05


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