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浏览/检索结果: 共5条，第1-5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 Carbon-chromium dehydrogenation catalyst, used in preparation of propylene, comprises chromium oxide as active component, potassium oxide and calcium oxide as subsidiary components, and alumina as carrier. 专利 申请日期: 2018-01-01, 公开日期: 2018-02-23 作者:  LU A HU S LI W 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/02 Absorbent for removing trace sulfur dioxide in fuel battery oxidizer, is calcium oxide/foam carbon composite compound prepared by dispersing calcium carbonate and phenolic resin, soaking high polymer foam in dispersion and carbonizing. 专利 申请日期: 2011-01-01, 公开日期: 2011-10-12 作者:  LING Z QIU J WAN P XIAO N YANG J 收藏  |  浏览/下载：6/0  |  提交时间：2019/12/18 Grinding tool for chemically and mechanically grinding of aluminum oxide ceramic, is provided with additive which is one or combination of sodium bicarbonate, calcium oxide and potassium permanganate. 专利 申请日期: 2011-01-01, 公开日期: 2011-08-17 作者:  KANG R JIN Z HUO F TAO Z 收藏  |  浏览/下载：1/0  |  提交时间：2019/12/18 Light porous insulating brick preparing method, involves mixing and milling boric sludge, adding initiator e.g. sodium chloride, and excitant e.g. calcium oxide, and adding water and firming agent e.g. gypsum, to stir mixture into paste. 专利 申请日期: 2008-01-01, 公开日期: 2008-02-27 作者:  NING G YAN F TIAN P LIN Y 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/27 Active agent for welding magnesium alloy comprises titanium dioxide, chromium oxide, magnesium oxide, manganese oxide, and calcium oxide. 专利 申请日期: 2008-01-01, 公开日期: 2008-08-20 作者:  LIU L ZHANG Z 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/27