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Pre-initiated optical fibers for medical applications 专利
专利号: US9788899, 申请日期: 2017-10-17, 公开日期: 2017-10-17
作者:  SIVRIVER, ALINA;  BOUTOUSSOV, DMITRI
收藏  |  浏览/下载:12/0  |  提交时间:2019/12/23
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
Preparation of naphthalenesulfonic acid involves mixing organic solvents, raw materials and sulfonating agent, feeding prepared solution into micro-reactor, controlling reaction temperature of sulfonation, and performing sulfonation. 专利
申请日期: 2009-01-01, 公开日期: 2009-12-23
作者:  FAN J PENG X SUN D SUN S
收藏  |  浏览/下载:2/0  |  提交时间:2019/12/24
Solid state systems displaying stimulated emission 专利
专利号: GB983874A, 申请日期: 1965-02-17, 公开日期: 1965-02-17
作者:  MORANTZ, DANIEL, JOSEPH;  WRIGHT, ANTHONY, JOHN, CALLAHAN;  WHITE, BRIAN, GRAHAM
收藏  |  浏览/下载:8/0  |  提交时间:2019/12/26


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