According to the removing rate on algae and cost value or so, the sequence of four algaecides from good to bad were potassium permanganate, copper sulfate, hydrogen peroxide and sodium hypochlorite.
通过杀藻效果、经济性以及安全性等方面的综合比较,对于以有毒蓝藻为优势藻属的引滦水,四种杀藻剂的优劣程度从优到劣排序为:高锰酸钾>硫酸铜>过氧化氢>次氯酸钠;
The reaction conditions of 2-ethoxybenzoic acid were optimized by changing the amount of diethyl sulfate, reaction time of methyl salicylate and potassium hydroxide, the amount of sodium hydroxide.
通过改变硫酸二乙酯的用量、水杨酸甲酯与氢氧化钾的反应时间、氢氧化钠的用量,得到了2-乙氧基苯甲酸的优化制备工艺条件。
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