QQ客服 官方微博 反馈留言

浏览/检索结果: 共4条，第1-4条 帮助 限定条件 发表日期：2014    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 High-sensitivity membrane type photoacoustic spectrum sensor based on self-mixing 专利 申请日期: 2014-01-01, 作者:  YU BENLI;  DU ZHENGTING;  WU SHUANG;  YANG BO;  LV LIANG 收藏  |  浏览/下载：8/0  |  提交时间：2019/04/19 Preparation of o-aminothiophenol benzothiazole-based compound involves reacting O-aminothiophenol and 1,3-dicarbonyl compound as raw materials, and protonating by acid-catalyzed cyclization. 专利 申请日期: 2014-01-01, 公开日期: 2014-03-26 作者:  YU X BAO M FENG X ZHOU X 收藏  |  浏览/下载：1/0  |  提交时间：2019/12/11 Synthesis of benzoxazole compound involves adding o-aminophenol and 1,3-dicarbonyl compound to protonic acid and catalyst, and reacting in presence of organic solvent. 专利 申请日期: 2014-01-01, 公开日期: 2014-02-05 作者:  YU X BAO M FENG X ZHOU X MAWOO M C 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/11 Semi-submersible drilling crude oil storage platform drilling system, has floating platform connected with motion coupling through connecting arm and main platform, where movement part of main platform is arranged on floating platform. 专利 申请日期: 2014-01-01, 公开日期: 2014-02-19 作者:  ZHOU X WANG Y DAI Y HU Z YU H ZHENG 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/11