本文改进了著名的过二硫酸铵与碘化钾反应动力学研究中反应速度的测定，并将测定改为微型化学实验技术。
This is a discussion on improving the determination of chemical reaction rate in the famous study on kinetics of reaction between ammonium persulphate and kalium iodide.
本文指出了现行有机化学实验教材中的交叉羟醛缩合反应存在的不足，并提出改进措施。
Some problems about the intersection condensation of aldol in the present textbook of organic Chemical Experiment are pointed out. Mean while some improved are presented.
通过对一些无机化学实验的改进，不但可以简化操作手续，缩短实验时间，而且大大提高了实验的成功率。
The improvements on some inorganic chemical experiments can not only simplify operation process and shorten experiment time but also increase the experiment success rate.
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