英语释义

1. a flammable liquid cyclic ether C3H6O similar to ethylene oxide that is made by chlorinating propylene to its chlorohydrin then adding alkali and is used chiefly as a solvent and in organic synthesis

片语

Propylene&oxide[有化] 丙烯（等于propene）

propylene oxide blocking丙氧基化改性

propylene oxide production环氧丙烷生产

propylene e oxide环氧丙烷

propylene oxide isomerization环氧丙烷异构化

ethylene oxide propylene oxide环氧乙烷环氧丙烷

Methanol And Propylene Oxide甲醇和环氧丙烷

propylene oxide promoter环氧丙烷

PROPYLENE OXIDE 500MG NEAT环氧丙烷

英汉例句

• the title propylene glycol monophenyl ether was synthesized with phenol and propylene oxide in the presence of alkaline catalysts.

  以苯酚、环氧丙烷为原料，在堿性催化剂作用下制备丙二醇苯醚。

• the catalysts are valuable for making propylene oxide from propylene and hydrogen peroxide.

  对于从丙烯和过氧化氢制备环氧丙烷的反应而言本催化剂是很有价值的。

• the process producing propylene oxide by epoxidation of propylene with ethylbenzene hydroperoxide is one of the most promising methods in recent years.

  用乙苯氢过氧化物氧化丙烯制取环氧丙烷是目前生产环氧丙烷最有前途的工艺路线之一。

• the recent progress using titanium silicalite to catalyze propylene into propylene oxide was introduced.

  评述了环氧丙烷的各种合成方法，介绍了钛硅沸石催化丙烯环氧化反应研究的近期进展。

• ethylene oxide and propylene oxide copolymer was a kind of important assistants and its moleculer structure design was studied.

  非离子型化合物环氧乙烷环氧丙烷共聚醚在助剂行业具有广泛的应用和较好的开发、研究的前景。

• in this paper, the catalysts and reaction conditions of the cycloaddition of carbon dioxide and propylene oxide are studied.

  研究了碳酸丙烯酯和甲醇经酯交换制备碳酸二甲酯的催化剂及反应工艺条件。

• the mechanism of chlorohydrination in manufacture of propylene oxide wasdescribed. the main cause affecting the yield of chlorohydrin was analysed and measures for improvement proposed.

  叙述了环氧丙烷生产中丙烯氯醇化反应的机理，分析了影响主产品氯丙醇收率的主要原因，并提出了在生产中改善氯醇化反应的具体措施。

• trimethylamine catalyzes the reaction of propylene oxide to polyethers, and causes the deactivation of ts-1.

  碳酸钾使环氧丙烷选择性降低，三甲胺引起ts-1催化剂失活。

• in order to determine the proper ratio of center charge with propylene oxide fuel (rcf) and ignition delay time, corresponding experimental and numerical studies on fuel dispersal are carried out.

  为了合理确定液体燃料环氧丙烷爆炸抛散比药量及点火延迟时间，进行了相关的实验与数值模拟研究。

• chlorohydrin production of propylene oxide with the impurities except for acetaldehyde, propionaldehyde and hydrocarbon, epoxides, halogenated alkanes, acetone, alcohols, such as.

  用氯醇法生产的环氧丙烷中所合杂质除有乙醛、丙醛外，还有烃类、环氧化物、卤代烷、丙酮、醇类等。

• synthesis technology and property of hydroxypropyl starch by using potato starch as raw material, propylene oxide as etherization reagent and sodium hydroxide as catalyst, were studied in this paper.

  本文以马铃薯淀粉为原料，环氧丙烷为醚化剂，氢氧化钠为催化剂对低取代度羟丙基淀粉的制备工艺进行了研究。

• propylene oxide is important material of organic chemistry industry.

  环氧丙烷是一种重要的有机化工原料。

• a new method for recovering 1,2-dichloropropane from waste liquor in propylene oxide production was developed.

  介绍了从环氧丙烷生产废液中回收1，2-二氯丙烷的新方法。

• using tea co2 laser as excitation source, we have studied the processes of multiphoton dissociation of propylene oxide (po), tetrahydrofuran (thf)and diallyl ether (dae).

  本文用tea co_2激光器研究了1，2-环氧丙烷（po）、四氢呋喃（thf）和烯丙基醚（dae）等含c—c—c键有机物的多光子解离过程；

• here are some reasons why we don't allow cell phones in operating areas, propylene oxide handling and storage area, propane, gas and diesel refueling areas.

  下面是一些原因，我们不允许在经营领域，环氧丙烷的处理和存储区域，丙烷，汽油和柴油加油区手机。

• the reaction of propylene with h2o2 catalyzed by ts-1 to prepare propylene oxide was carried out in an autoclave.

  在高温高压反应釜进行ts-1/h2o2体系催化丙烯环氧化制备环氧丙烷的研究，首先确定反应体系的超临界相行为。

• the main methods for producing propylene oxide are the processes of chlorohydrination and cooxidation.

  氯醇法与共氧化法是生产环氧丙烷的两种主要方法。

• this paper introduced the present situation of china propylene oxide and forecasted the future consumption. some views on developing china propylene oxide have been mentioned.

  介绍了我国环氧丙烷的生产与消费现状。对环氧丙烷的消费进行了预测，并对其发展提出了几点看法。

• effect of hydrogen peroxide concentration, acid or base adding in the raw-material, different solvent, etc. on solvolysis of propylene oxide in aqueous solutions was studied.

  研究了双氧水浓度、原料中添加的酸或堿性物质和溶剂种类等因素对环氧丙烷溶剂解反应的影响。

• the result of simulation is valuable for industrialization of propylene oxide producing process by hydrogen peroxide.

  经计算得到的模拟结果对过氧化氢氧化丙烯制备环氧丙烷工艺的工业化有一定的参考价值。

• the initial activity of catalyst in isomerization reaction of propylene oxide have been evaluated with microreactorchromatograph.

  采用微反-色谱联合装置对环氧丙烷开环异构化反应中催化剂的初活性进行了评选。