搜索 - 科创

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直接在锥形瓶里燃烧……他用错容器了……还有锥形瓶就直接放在桌子上了他就差用氯酸盐了完全不是对照试验……就算是中学生也知道对照试验的条件吧。

我们是物化试验玩这个…算是我到现在为止做的最简单的试验了，推荐用乌式粘度计，三管解决带测液体与参比液体体积误差问题；同时能减少湍流的影响。

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