Meanwhile, acetone was a polymerization inhibitor in preventing the self - polymerization ofp - methoxybenzyl chloride, and 11. 同时探索了甲氧基苄氯自聚的阻聚剂, 初选的阻聚剂丙酮可使甲氧 基苄 氯粗品的收率提高11.
By 1973, this gap had narrowed almost to vanishing point.到1973年，这一差距已缩小到几乎为零。" To collect what's left over ,'smiled Wu Sun - fu , his look of despondency vanishing abruptly.“ 叫他回去收集残余, 都调到上海来.He wonderfully che...
Maybe you had visions of being surrounded by happy, smiling children.也许你曾幻想过被快乐嬉笑的孩子所包围的情景。They are prophesying to you false visions, divinations, idolatries and the delusions of their own minds.他们向你们预言的,乃是虚假的异象和占卜, 并虚无的...