• 基礎釋義
• 例句

• A kind of polyetherester polyurethane was synthesized by polyetherester polyol, 4 , 4? ? - diphenylmethane diisocyanate and 1, 4 - dihydroxybutane. 制備了以自制聚醚酯多元醇 、 二異氰酸酯和1, 4- 丁二醇交聯劑為原料合成的聚氨酯彈性體,研究了其力學性能.
• Butyl cellosolve ( aka butyl glycol , ethylene glycol monobutyl ) is poisonous when swallowed and a lung - tissue irritant. 丁賽路蘇 ( 如堿性丁二醇 、 乙二醇單丁醚 ):吞食有毒,對肺組織有刺激作用.
• Butyl cellosolve aka butyl glycol, ethylene glycol is poisonous when swallowed and a lung - tissue irritant. 丁賽路蘇(堿性丁二醇、二醇單丁醚)吞食有毒,對肺組織有刺激作用.
• The catalysis of big pore strong acid resin for 1,4 - butanediol dehydration to tetrahydrofuran is investigated. 考察了大孔強酸性樹脂對1,4 丁二醇 脫水制四氫呋喃的催化作用.
• The catalysis of big pore strong acid resin for 1, 4 - butanediol dehydration to tetrahydrofuran is investigated. 考察了大孔強酸性樹脂對1, 4 丁二醇 脫水制四氫呋喃的催化作用.
• A new type gemini surfactant was synthesized from 1,4 - butanediol , maleic anhydride and 1 - octadecanol. 采用1,4- 丁二醇 、 馬來酸酐及十八醇為主要原料,合成出一種雙子表面活性劑1, 4- 丁二醇雙琥珀酸十八醇雙酯磺酸鈉.