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TETRAHYDROTHIOPYRANOPYRIMIDINE DERIVATIVE, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF 专利
申请日期: 2018-01-04, 公开日期: 2018-01-04
作者:  Liu XY(刘新泳);  Zhang H(张衡);  Zhan P(展鹏);  Zhou ZX(周忠霞);  Kang DW(康东伟)
收藏  |  浏览/下载:0/0  |  提交时间:2020/01/04
Metal part crack non-destructive detecting method, involves obtaining observation image by using imaging machine, and confirming existence of crack in detecting parts if formed image is provided with different color description. 专利
申请日期: 2015-01-01, 公开日期: 2015-09-02
作者:  DENG D HAO S WU D YU T ZHANG H ZHAN
收藏  |  浏览/下载:3/0  |  提交时间:2019/12/09
Method for performing plane carbon preparation of flat carbon film membrane electrode, involves performing uniformly spin coating of photoresist on conductive substrate, and under protection of inert gas with certain pressure. 专利
申请日期: 2013-01-01, 公开日期: 2013-05-01
作者:  SHI K ZHANG H WANG C ZHAN D ZHANG Y
收藏  |  浏览/下载:8/0  |  提交时间:2019/12/13
Ammonium sulphate salting out method used to refine and separate 1, 3-propanediol from microorganism zymotic fluid. 专利
申请日期: 2007-01-01, 公开日期: 2007-06-06
作者:  XIU Z ZHAN G D LI X ZHANG D
收藏  |  浏览/下载:2/0  |  提交时间:2019/12/27


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