环丙烷

The results showed that the yield of phenyl glycidyl ether was 96.8% when the mole rate of sodium phenolate and epichlorohydrin was 1.15:1, the mass ratio of ionic liquid and reactant 2:1, reaction temperature 70℃ and reaction time 2h.

结果表明，在反应温度为70℃，反应时间为2h，反应物苯酚钠与环氧氯丙烷的物质的量比为1.5：1，离子液体与反应物的质量比为2：1时，苯基缩水甘油醚的产率为96.8%。

The influence of reaction temperature and WHSV on conversion of propylene oxide is not appreciable.

反应温度和空速对环氧丙烷的转化率影响不大。

This is a novel, environmentally friendly and economical method for making propylene oxide without co-product.

这是环境友好、无联产品、经济合理的制环氧丙烷的新方法。

Only the major Isomers be displayed in the attacks of propylene oxide was replaced by the less carbon.

只有主要位置异构体被显示攻击在环氧丙烷较少被取代的碳。

Using the density functional theory, the reaction of chlorine trifluoride with propylene oxide was studied.

应用密度泛函理论对三氟化氯和环氧丙烷反应产生C3H5O和C1F2自由基的机理进行了研究。

We examined the association between intakes of the heterocyclic amines 2-amino-3,8-dimethylimidazo[4,5,-f]quinoxaline, 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine,2-amino-3,4,8-trimethylimidazo[4,5,-f] quinoxaline, and meat-deried mutagenicity and risk of distal colon adenoma using a cooking method questionnaire administered in 1996 in the Health Professionals Follow-up Study cohort.

我们卫生保健跟踪调查组采取烹调方法调查表的形式在1996年调查了摄入杂环胺2－氨基－3，8丙烷[4，5，-f] 喹噁啉，2－氨基－1甲基1－6－苯基亚氨基[4，5-b] 吡啶，2－氨基3，4，8－trimethylimidazo[4，5，-f] 喹噁啉和肉类衍生致突变物与患末端结肠腺瘤危险性的关系。

We examined the association between intakes of the heterocyclic amines 2-amino-3,8-dimethylimidazo[4,5,-f]quinoxaline, 2-amino-1-methyl-6-phenylimidazo[4,5-b]pyridine,2-amino-3,4,8-trimethylimidazo[4,5,-f] quinoxaline, and meat-derived mutagenicity and risk of distal colon adenoma using a cooking method questionnaire administered in 1996 in the Health Professionals Follow-up Study cohort.

我们卫生保健跟踪调查组采取烹调方法调查表的形式在1996年调查了摄入杂环胺2－氨基－3，8丙烷[4，5，-f] 喹噁啉，2－氨基－1甲基1－6－苯基亚氨基[4，5-b] 吡啶，2－氨基3，4，8－trimethylimidazo[4，5，-f] 喹噁啉和肉类衍生致突变物与患末端结肠腺瘤危险性的关系。

The method of increasing the capacity of saponification waste water treatment by data analysis was discaussed.

论述了氯醇法环氧丙烷装置产生的皂化废水的处理方法，探讨了采用数据分析提高皂化废水处理能力的方法，并提出了相应的处理措施。

The methods of treating saponification waste water from the chlorohydrination production facility of epoxy propane were introduced.

论述了氯醇法环氧丙烷装置产生的皂化废水的处理方法，探讨了采用数据分析提高皂化废水处理能力的方法，并提出了相应的处理措施。

With the size of alcohol ROH increasing, space steric block made solvolysis activity of propylene oxide decrease.

空间位阻的变化，使得环氧丙烷溶剂解反应活性随着醇类溶剂的分子增大而减小。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。