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浏览/检索结果: 共6条，第1-6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 Deboronation of metal-free catalytic aryl boronic acid compound involves dissolving aryl borate compound, adding extractant and water, liquid-liquid extracting, drying, filtering, removing organic solvent, and separating. 专利 申请日期: 2018-01-01, 公开日期: 2018-01-09 作者:  LIU J ZHANG G GONG Y 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/02 Metal free desulfurization catalyst preparation involves dispersing iron salt in neutral solvent to obtain iron salt solution, adding nanometer calcium carbonate to iron salt solution, where solution is filtered to obtain concentrate. 专利 申请日期: 2014-01-01, 公开日期: 2014-09-03 作者:  LIU Y WANG X QIU J ZHAN D 收藏  |  浏览/下载：13/0  |  提交时间：2019/12/11 Method for preparing purified coal tar asphalt, involves mixing salt-free high temperature coal tar with aliphatic solvent and removing insoluble quinoline from mixture to obtain clarified oil followed by distillation. 专利 申请日期: 2013-01-01, 公开日期: 2013-07-17 作者:  LI Z QIU J XIAO J ZHAO H 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/13 Method for hydrothermal synthesizing of seed crystal-free self-assembly of hydrophilic zeolite membrane, involves coating inorganic particles and putting macro-porous carrier into crystallizing solvent followed by drying membrane. 专利 申请日期: 2013-01-01, 公开日期: 2013-07-10 作者:  YANG J WANG Z LU J XU J YIN D ZHANG 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/13 Amifostine trihydrate crystal lyophilized preparation comprises pyrogen-free mixture of amifostine, acetone and ethanol as solvent, and water. 专利 申请日期: 2009-01-01, 公开日期: 2009-01-21 作者:  CHEN X DONG S DOU J HAO Y LI H MENG 收藏  |  浏览/下载：1/0  |  提交时间：2019/12/24 Synthesis method of 1-bromoane includes reaction of olefin and hydrogen bromide in a trigger and a solvent able to generate free radicals, neutralizing, water washing, drying and distilling. 专利 申请日期: 2003-01-01, 公开日期: 2003-07-16 作者:  GAO Z ZHAO S QU L 收藏  |  浏览/下载：3/0  |  提交时间：2020/01/02