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浏览/检索结果: 共3条，第1-3条 帮助 限定条件 内容类型：专利     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Treatment of nickel-containing sewage involves crushing diatomite into powder or extruding into blocks, formulating tris(hydroxymethyl)aminomethane aqueous solution, and adjusting pH using hydrochloric acid to obtain buffer solution. 专利 申请日期: 2014-01-01, 公开日期: 2014-11-26 作者:  MENG C YAO S 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/11 Water quality improving method for production of waste paper pulping, involves adding suspension into waste paper regeneration system based on ratio of solid diatomite to absolute dry waste pulp, after crushing waste paper into pulp. 专利 申请日期: 2009-01-01, 公开日期: 2009-01-14 作者:  LIU B BO Y HAN Y SHI H BU Y 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/24 Preparing the compound of chiral 2-hydroxyl acenaphthenone comprises putting crushed fresh plant and water into a reactor, adding an acenaphthenone compound to the reactor, adding diatomite to the reaction system, and stirring and filtering. 专利 申请日期: 2009-01-01, 公开日期: 2009-07-29 作者:  CUI J QIAN X WANG X XU X 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/24