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New 2-sulfo-1,3,4-thiadiazole-3-yl compounds are prepared by reacting substituted-sulfo-thiadiazole, (alpha),(beta)-unsaturated carbonyl compound and nitrile compound under alkali catalysis effect in solvent e.g. ethanol or propyl alcohol. 专利
申请日期: 2011-01-01, 公开日期: 2011-05-18
作者:  SONG Y CHEN H LI W
收藏  |  浏览/下载:3/0  |  提交时间:2019/12/18
Multiple effect reverse-flow falling film vaporization system for recycling organic solvent in e.g. food industry, has falling film evaporator connected with recycle pump, secondary steam outtake connected with gas-liquid separator. 专利
申请日期: 2008-01-01, 公开日期: 2008-07-30
作者:  MA X BAI T SUN L LIU C LIN Z
收藏  |  浏览/下载:7/0  |  提交时间:2019/12/27
Method of and device for growing semiconductor compound 专利
专利号: JP1979126464A, 申请日期: 1979-10-01, 公开日期: 1979-10-01
作者:  JIYON HAIGU;  MAAKU MARIAN FUAKUTAA;  RODONII HORANZU MOSU
收藏  |  浏览/下载:22/0  |  提交时间:2020/01/18


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