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Construction method for double-gene mutation escherichia coli used for secretory expression of recombinant protein 专利
申请日期: 2014-01-01,
作者:  CHEN ZHAOYUAN;  TONG WANGYU;  XIE LI
收藏  |  浏览/下载:6/0  |  提交时间:2019/04/19
Methods for testing engineering characterization of structural damage in variable gauge, involves calculating mutation time and discontinuous feature of distributed sensing element based on optimized mode matching structure. 专利
申请日期: 2014-01-01, 公开日期: 2014-01-08
作者:  JIANG S OU J WANG H ZHOU Z
收藏  |  浏览/下载:4/0  |  提交时间:2019/12/11
Metal plate laminated curved laser coordination method involves clamping end of metal laminated board in laser processing machine, producing stress in light spot area, and aiming at stress mutation area applied to auxiliary heat source. 专利
申请日期: 2014-01-01, 公开日期: 2014-06-18
作者:  WANG X XU W WANG L CHI S MA X
收藏  |  浏览/下载:1/0  |  提交时间:2019/12/11


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