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Method of producing a cap substrate, and packaged radiation-emitting device 专利
专利号: US10283930, 申请日期: 2019-05-07, 公开日期: 2019-05-07
作者:  REINERT, WOLFGANG;  QUENZER, HANS JOACHIM
收藏  |  浏览/下载:10/0  |  提交时间:2019/12/24
Method for electrochemically measuring index of hypermanganate in water sample to measure organics pollution degree of relative clean water body, involves obtaining index value of hypermanganate in tested water sample. 专利
申请日期: 2011-01-01, 公开日期: 2011-05-04
作者:  CHEN S QUAN X ZHAO H TAN F MA C
收藏  |  浏览/下载:2/0  |  提交时间:2019/12/18
Method for Preparation of Active Carbon by Pyrolysis Organics 专利
公开日期: 2017-05-16
作者:  Li AM(李爱民)
收藏  |  浏览/下载:0/0  |  提交时间:2020/01/06


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