- 重点词汇
- acetic acidn.乙酸，醋酸;
- ratiosn.比，比率( ratio的名词复数 );
- writhingv.（因极度痛苦而）扭动或翻滚( writhe的现在分词 );
- 98ninety-eight;
- respectivelyadv.各自地;各个地;分别地;
- 52fifty-two;
- 相关例句
The mathematical model of separation process in acetic acid production plant was developed.
建立了醋酸生产分离过程的数学模型,对脱水塔的操作工况进行了模拟分析.
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论述了松节油与冰乙酸一步法合成乙酸松油酯工艺.
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To reclaim acetic acid frommother liquor is a problem in the technique proccess.
稀醋酸母液中回收醋酸是一个技术难题.
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Acetic acid salt : calcium acetate, sodium acetate, zinc acetate , potassium acetate.
醋酸盐系列: 醋酸钙, 醋酸钠,醋酸钾,醋酸锌, 醋酸镁等.
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Acetone is the most abundant carbonyl in the atmosphere, followed by formaldehyde and acetaldehyde.
大气中一般是丙酮的浓度最高, 其次是甲醛和乙醛.
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Acetone is well suited to test ultraviolet ( UV ) coating for curing degree.
丙酮十分适合用来测试紫外线 ( UV ) 涂层的固化程度.
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Acetone ( or dimethyl ketone ): Simplest and most important ketone ( CH 3 COCH 3 ) .
丙酮: 亦称二甲基酮:分子式为 CH3COCH3,最简单和最重要的酮.
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优化了头孢哌酮酸和碳酸氢钠的成盐、析晶等工艺条件,制备了头孢哌酮钠.
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The properties of products prepared by acetone process and prepolymer mixing process are compared.
简述水性聚氨酯制备方法,并对丙酮法和预聚物分散法所制产品性能进行比较.
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制备了常压下丙酮与氢气合成甲基异丁基酮的双金属碱性催化剂,并测定了其反应活性.
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Acetone Finger nail polish remover , a preservative for dead frogs, an insecticide.
丙酮:指甲水和杀虫剂的组成成分, 也可用于防腐.
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Properties Soluble in benzene, acetone, chloroform, a little soluble in alcohol, insoluble in water.
性质溶于苯 、 丙酮 、 氯仿, 微溶于乙醇, 不溶于水,对呼吸道与皮肤有刺激作用.
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