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运动台面上的自动转位锁定装置 专利
申请日期: 2008-01-01,
作者:  谈士力[1];  沈俊杰[2];  王阳明[3];  杜向栋[4];  刘宗阳[5]
收藏  |  浏览/下载:5/0  |  提交时间:2019/05/06
Manufacture of desulfurized by-product of polyferric sulfate involves adsorbing ferric ion, transforming sulfur dioxide, oxidizing sulfurous acid, adding ferric sulfate and ferrous sulfate, hydrolyzing and polymerizing liquid. 专利
申请日期: 2008-01-01, 公开日期: 2008-02-06
作者:  ZHOU J ZHANG Y WANG G LI C Y GUO S
收藏  |  浏览/下载:3/0  |  提交时间:2019/12/27
Manufacture of iron complex flocculant used as water treating agent, involves converting sulfur dioxide in smoke to sulfuric acid using solution containing ferrous ion, and hydrolyzing and polymerizing sulfuric acid. 专利
申请日期: 2008-01-01, 公开日期: 2008-02-06
作者:  ZHANG Y ZHOU J GUO S WANG G LI C
收藏  |  浏览/下载:2/0  |  提交时间:2019/12/27
Polar coordinates positioning device, has angular displacement executing step motor mounted under centre of origin platform, and motor fixed with origin platform, where motor axis is passed through centre of origin platform. 专利
申请日期: 2008-01-01, 公开日期: 2008-07-30
作者:  LI M GUO C
收藏  |  浏览/下载:2/0  |  提交时间:2019/12/27
Resource recovery stack gas desulfurization involves removing sulfur dioxide of flue gas in continuous reaction phases using specific desulfurizing agent, oxidizing ferrous ion and sulfurous acid, hydrolyzing and polymerizing. 专利
申请日期: 2008-01-01, 公开日期: 2008-02-06
作者:  ZHOU J ZHANG Y LI C WANG G GUO S
收藏  |  浏览/下载:2/0  |  提交时间:2019/12/27
Polishing solution useful for chemical and mechanical polishing of semiconductor wafer comprises abrasive material, surface active agent, dispersant agent, integration agent, oxidant, pH adjusting agent, and de-ionized water. 专利
申请日期: 2008-01-01, 公开日期: 2008-08-06
作者:  KANG R LI Y GAO H GUO D
收藏  |  浏览/下载:5/0  |  提交时间:2019/12/27


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