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Adjustable friction stir welding tool for welding e.g. aluminum plate, has clamping portion connected with concave conical surface of sleeve, and fastening bolt screwed on clamping portion connected with inner hole of stirring needle. 专利
申请日期: 2013-01-01, 公开日期: 2013-10-02
作者:  JIA Z MA J WANG F XU C DONG F
收藏  |  浏览/下载:2/0  |  提交时间:2019/12/13
Separation of single enantiomer pull compound involves using silica gel chromatography column and eluting mixture of enantiomer as mobile phase with organic solvent. 专利
申请日期: 2013-01-01, 公开日期: 2013-07-10
作者:  XU W DONG L FU Y SONG W ZHOU Y
收藏  |  浏览/下载:4/0  |  提交时间:2019/12/13
Method for preparing shape-controllable core-case particle, involves heating metal raw material at specific temperature so as to obtain melting portion. 专利
申请日期: 2013-01-01, 公开日期: 2013-04-03
作者:  XU F FU M DONG W
收藏  |  浏览/下载:1/0  |  提交时间:2019/12/13


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