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二甲基铍
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二甲基铍
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二甲基铍
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dimethyl beryllium
二甲基铍
分子式[(CH3)2Be]n。经X射线结构分析确定为长链聚合物,两个Be原子之间存在3c-2e的甲桥基。蒸气由单分子、二聚分子、三聚分子组成。在苯溶液中是二聚体。
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Decision of the Central Committee of the Communist Party of China about Strengthening and Improving Party Construction
Decision of the Central Committee of the Communist Party of China on Some Major Issues Concerning Strengthening Party Building
Decision of the CPC Central Committee on Major Issues Pertaining to Deepening Reform of the Cultural System and Promoting the Great Development and Flouring of Social Culture
decision of the First National Conference on Educational Work of the People's Republic of China
Decision of the Standing Committee of the National People's Congress on Preserving Computer Network Security
Decision of the Standing Committee of the National People's Congress on Strengthening the Protection of Network Information
Decision of the State Council on Further Adjusting the Management System and Layout Structure of Schools Affiliated to Departments(Units)
Decision of the State Council on the Adjustment of the Management System of Schools Affiliated to the Departments
Decision on Combating Serious Criminal Activities in the Economic Sphere
Decision on Current Newspaper News Broadcasting Propaganda Policy
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