搜索 - 科创

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这是我们元和中心在09年的最后一个作品。发布在这里，希望对那些想买或已经买到分光镜却不会用的人一些帮助。

1.除了水还有什么物质会截获自由基呢?像乙醇,甲苯,DMF,DMSO这些会不会?2.溴化氢能溶于什么有机溶剂?我只知道能溶于乙醇,能不能溶于甲苯,乙醚等溶剂呢?(我好象记得哪说过HX能和苯环形成什么配...

1. 你需要准备一个自攻螺丝，一个金霸王电池，或者手电里面的锂电也行，但是电流一定要大，镍镉不错。和一根电线，外加一个钕铁硼磁铁。 2.把磁铁贴在螺丝帽上，然后把螺丝尖倒吸在电池正级。就这样，靠重...

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