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Gear-plate variable proportion based servo motor load pull testing system, has shaft for passing through sliding groove, and force sensor connected with bolt that is connected with sample clamp and ball screw nut. 专利
申请日期: 2018-01-01, 公开日期: 2018-05-15
作者:  CHANG Y WANG B WANG N LI X YU S YAN
收藏  |  浏览/下载:3/0  |  提交时间:2019/12/02
Preparing 9-fluorenone comprises mixing fluorene with water as solvent, alkali catalyst, quaternary ammonium salt as phase transfer agent and oxidant and then reacting. 专利
申请日期: 2014-01-01, 公开日期: 2014-05-14
作者:  SHI Z LI H YAN J YU L GAO Z HE Y
收藏  |  浏览/下载:15/0  |  提交时间:2019/12/11
Preparation of high-purity 9-fluorenone involves providing industrial fluorene as raw material, adding aromatic organic solvents, alkali solution and quaternary ammonium salts, cooling reaction solution, crystallizing and filtering. 专利
申请日期: 2014-01-01, 公开日期: 2014-05-21
作者:  SHI Z LI H YAN J YU L GAO Z HOU L
收藏  |  浏览/下载:4/0  |  提交时间:2019/12/11
Method for removing bitter taste of turmeric 专利
申请日期: 2013-01-01,
作者:  LI YAN;  BU WENJIE;  YU CHUNFU;  ZHU JIANLIANG;  WANG YINGYE
收藏  |  浏览/下载:5/0  |  提交时间:2019/04/19
Phase-transfer catalytic preparation of 9-fluorenone involves mixing fluorine with xylene with alkali solution as catalyst, adding quat.-ammonium salt, stirring, introducing oxygen-containing gas, cooling, crystallizing, and filtering. 专利
申请日期: 2013-01-01, 公开日期: 2013-12-11
作者:  YAN J YU L LI H GAO Z HE Y
收藏  |  浏览/下载:2/0  |  提交时间:2019/12/13
光束整形方法和装置及激光显示光源模组和设备 专利
专利号: WO2012129789A1, 申请日期: 2012-10-04, 公开日期: 2012-10-04
作者:  TIAN, YOULIANG;  YAN, GUOFENG;  LI, WEI;  CHEN, YU
收藏  |  浏览/下载:4/0  |  提交时间:2019/12/30
A method for detonation preparing sheet nanometer graphite powder. 专利
申请日期: 2007-01-01, 公开日期: 2007-07-25
作者:  LI X YAN H SUN G SUN M WANG J YU S
收藏  |  浏览/下载:4/0  |  提交时间:2019/12/27
4-AMINO (PIRIDILMETIL) REPLACED PIPERIDINA AND COMPOSED RELATED 专利
作者:  WILSON RICHARD;  MISCHKI TREVOR;  MAMMEN MATHAI;  HUSFELD CRAIG;  DUNHAM SARAH
收藏  |  浏览/下载:0/0  |  提交时间:2019/12/05


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