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Full-optical-fiber sensor capable of measuring temperature and humidity at same time 专利
申请日期: 2014-01-01,
作者:  YU BENLI;  CAO ZHIGANG;  YIN CHENCHEN;  ZHANG HUAN;  GAO DAYUAN
收藏  |  浏览/下载:4/0  |  提交时间:2019/04/19
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
New antioxidant precursor peptide useful in medicine, food and cosmetic additive, comprises fragilin-A1 peptide, fragilin B2 peptide and odorranain-Q-Lf peptide. 专利
申请日期: 2014-01-01, 公开日期: 2014-03-05
作者:  WANG Y YU H GAO J
收藏  |  浏览/下载:2/0  |  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
Internal electron donor compound useful for preparing alpha-olefin polymerization catalyst component, comprises two electron donors i.e. first electron donor and second electron donor. 专利
申请日期: 2014-01-01, 公开日期: 2014-02-05
作者:  WANG L ZHENG G YU L CHEN Q GAO T DO
收藏  |  浏览/下载:2/0  |  提交时间:2019/12/11


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