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A Genetic Algorithm for Manufacturing Cell Formation with Multiple Routes Implementing cellular manufacturing systems can be simply considered that it is composed of cell formation and cell organi zation, in which cell formation ... MA Yu-Min,BS Chen,WM Zhang - 《Group Technology & Productio...
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H 5 NO 2 )含量严重超标而停水4天.硝基苯能直接危害人的神经中枢系统,下列说法正确的是( ) A.硝基苯由C,H,N,O四种原子构成 B.硝基苯中C,H元素质量比是6:5 C.硝基苯的相对分子质量是123 D.硝基苯中O元素的质量分数约为30%扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 A...
A.NaHCO3B.HClC.HNO3D.H3PO4 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 碳酸氢钠电离得到金属离子和酸根离子,属于盐;其余三种电离产生的阳离子全是氢离子都属酸,但盐酸不含氧元素不属含氧酸,硝酸和磷酸都含有氧元素属含氧酸,但磷酸一个分子电离出三个氢离子属三元酸,只有硝酸...
(2005•镇江)5月31日是“世界无烟日”,烟气中含有一种能与血液中血红蛋白结合的有毒气体是( )A.CO2B.O2C.H2D.CO