相关英语单词
双语例句
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A kind of polyetherester polyurethane was synthesized by polyetherester polyol, 4 , 4� � - diphenylmethane diisocyanate and 1, 4 - dihydroxybutane.
制备了以自制聚醚酯多元醇 、 二异氰酸酯和1, 4- 丁二醇交联剂为原料合成的聚氨酯弹性体,研究了其力学性能.
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Butyl cellosolve ( aka butyl glycol , ethylene glycol monobutyl ) is poisonous when swallowed and a lung - tissue irritant.
丁赛路苏 ( 如碱性丁二醇 、 乙二醇单丁醚 ):吞食有毒,对肺组织有刺激作用.
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Butyl cellosolve aka butyl glycol, ethylene glycol is poisonous when swallowed and a lung - tissue irritant.
丁赛路苏(碱性丁二醇、二醇单丁醚)吞食有毒,对肺组织有刺激作用.
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The catalysis of big pore strong acid resin for 1,4 - butanediol dehydration to tetrahydrofuran is investigated.
考察了大孔强酸性树脂对1,4 丁二醇 脱水制四氢呋喃的催化作用.
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The catalysis of big pore strong acid resin for 1, 4 - butanediol dehydration to tetrahydrofuran is investigated.
考察了大孔强酸性树脂对1, 4 丁二醇 脱水制四氢呋喃的催化作用.
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A new type gemini surfactant was synthesized from 1,4 - butanediol , maleic anhydride and 1 - octadecanol.
采用1,4- 丁二醇 、 马来酸酐及十八醇为主要原料,合成出一种双子表面活性剂1, 4- 丁二醇双琥珀酸十八醇双酯磺酸钠.