然后利用相似相溶原理选择了四种有机溶剂进行剥离实验：丙酮、二甲苯、二甲基甲酰胺及乙酸乙酯。
Then, chose acetone, ethyl acetate, xylene and dimethylformamide according to solubility parameter close principle as solvents to dissolve coating finishing agents.
本文研究了以丙酰丙酮酸乙酯、 硫酸二胺和硫酸钾为原料合成吡螨胺中间体3-乙基-5- 吡唑羧酸乙酯的方法。
It is reported that ethy1 3-ethyl-5-pyrazole- carboxylate, an intermediate for tebufenpyrad, was synthesized by using ethyl propionyl acetonate and others as starting materials.
本文研究了以丙酰丙酮酸乙酯、 硫酸二胺和硫酸钾为原料合成吡螨胺中间体3-乙基-5- 吡唑羧酸乙酯的方法。
It is reported that ethy1 3-ethyl-5-pyrazole- carboxylate, an intermediate for tebufenpyrad, was synthesized by using ethyl propionyl acetonate and others as starting materials.
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