By Using the technique of microwave radiation, under the catalyst of sodium hydrogen sulfate, isoamyl propionate can be synthesized fast, the factors of the influencing reaction were investigated.
利用微波辐射技术，以硫酸氢钠为催化剂，快速合成了丙酸异戊酯，并考察了影响反应的因素。
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；
Kinetics of the reduction of sodium sulfate to sodium sulfide by hydrogen is studied in this paper.
研究了用氢气还原芒硝制备硫化钠的反应动力学。
Study on effect increased weight by compound nutrition block which composed salt, the urea, the molasses, the calcium hydrogen phosphate and the sodium sulfate.
用膨润土、食盐、尿素、糖蜜、磷酸氢钙和硫酸钠等为主要原料制作成复合营养舔块来研究其对山羊增重效益的影响。
Study on effect increased weight by compound nutrition block which composed salt, the urea, the molasses, the calcium hydrogen phosphate and the sodium sulfate.
用膨润土、食盐、尿素、糖蜜、磷酸氢钙和硫酸钠等为主要原料制作成复合营养舔块来研究其对山羊增重效益的影响。
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