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1·The method of chlorine dioxide preparation by using chlorate and hydrazine sulfate is studied.

本文介绍了用氯酸钾与硫酸联氨反应制备二氧化氯的新方法。

2·The results show that under certain conditions the reaction of chlorate with hydrazine sulfate is a new and safe method to produce chlorine dioxide. The product yield reaches 90% with a purity of 91%.

实验结果表明，在一定条件下，氯酸钾与硫酸联氨反应是一种安全有效的制备二氧化氯的方法，可得到收率大于90%、纯度在91%以上的二氧化氯。

3·The effect of nickelous sulfate and hydrazine on thickness and appearance of electroless tin coatings were studies by electrochemical methods.

采用电化学等方法研究了硫酸镍和水合肼对化学镀锡层厚度及表面形貌的影响。