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Method for complex absorption combined aerobic denitrification and denitration of flue gas, involves placing alkaline absorption liquid and cobalt complexing agent in absorption tower, followed by controlling pH value of aerobic bioreactor. 专利
申请日期: 2014-01-01, 公开日期: 2014-12-10
作者:  SUN C ZHANG Y ZHOU J CHEN M WANG X
收藏  |  浏览/下载:2/0  |  提交时间:2019/12/11
Electrolyte used for electrochemical machinery polishing of copper connecting layer, comprises complexing agent, depressor, abrasive particle, dispersing agent, and deionized water. 专利
申请日期: 2011-01-01, 公开日期: 2011-07-20
作者:  WANG Z JIN Z GUO D LI W
收藏  |  浏览/下载:2/0  |  提交时间:2019/12/18
Removal of metallic impurities in boric acid used for optical or crystal material comprises dissolving industrial boric acid in solvent, reacting with organic auxiliary agent and complexing agent, crystallizing and drying. 专利
申请日期: 2009-01-01, 公开日期: 2009-11-11
作者:  GONG W LIN Y NING G PAN X WANG J YE
收藏  |  浏览/下载:1/0  |  提交时间:2019/12/24
Etching method 专利
专利号: JP1992320336A, 申请日期: 1992-11-11, 公开日期: 1992-11-11
作者:  OOKUBO TOMOYUKI;  SAWATO HIRONOBU
收藏  |  浏览/下载:12/0  |  提交时间:2019/12/31


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