QQ客服 官方微博 反馈留言

浏览/检索结果: 共5条，第1-5条 帮助 限定条件 发表日期：2013    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 有机硅环硫树脂及其制备方法 专利 专利类型: 发明, 申请日期: 2013-01-02, 作者:  黄伟;  蓝小康;  赵晓娟;  张瑛;  余云照 收藏  |  浏览/下载：8/0  |  提交时间：2016/06/23 Radio frequency identification system based on SAW technology 专利 申请日期: 2013-01-01, 作者:  ZHAO QI;  HU FANG;  SHEN WEI;  XIAO GUANGDONG;  WU SHENG 收藏  |  浏览/下载：5/0  |  提交时间：2019/04/19 Manufacture of activated carbon used for e.g. food processing, involves pre-oxidizing carbon-rich residue, grinding, immersing in alkali, drying, carbonizing, and washing with acid and water. 专利 申请日期: 2013-01-01, 公开日期: 2013-07-17 作者:  QIU J XIAO J XIAO N ZHAO H 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/13 Production of mesophase pitch from high temperature coal tar involves removing salt and quinoline insoluble from high-temperature coal tar and obtaining obtain clarified oil, and obtaining hydrogenated feed oil from clarified oil. 专利 申请日期: 2013-01-01, 公开日期: 2013-07-18 作者:  ZHAO H QIU J XIAO J LI B LV J XIAO 收藏  |  浏览/下载：13/0  |  提交时间：2019/12/13 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