alkenes信息详情
n.烯属烃
calked boots for sale───有口子的靴子出售
stop talk───别说了
about talk───关于谈话
alkoran alkarim mp3───alkoran alkarim mp3
cardo packtalk───卡多帕克塔克
an walk───散步
talk over their heads───在他们头上说
sidewalk collapse───人行道坍塌
talk to him───跟他谈谈
chalky synonym───白垩同义词
Alkenes react with water and halogens to form halohydrins by an addition reaction.───与水和卤素发生加成反应生成卤代醇。
Light alkenes play a significant role in the petrochemical industry.───烯烃在石化工业中起着举足轻重的作用。
It provides a useful vehicle for transforming unsaturated acids to their corresponding alkenes.───它为使不饱和酸变成相应的烯烃提供了一个有用的中间体。
This article reviews recent methods used in organic synthesis for the stereoselective reduction of alkynes to Z or E alkenes .───综述了在有机合成领域中，通过炔烃立体选择性还原制备Z-或E-烯烃的近期方法。
The photosensitized coupling reaction of halogenated aromatic compounds with arenes and alkenes is a key reaction in constructing C-C bonds.───卤代化合物的光敏化脱卤及与烯烃或芳烃的偶联反应是构建C-C键的重要手段。
A lower LHSV benefited the conversion of the alkanes, but a further decrease of LHSV would reduce the selectivity of the alkenes .───较低的空速有利于十二烷的转化，但进一步减小空速将造成十二烯的选择性明显降低。
Main ingredients : aloe, collagen, vitamins silicon-alkenes-alcohol.───主要成分：芦荟，胶原蛋白，硅烷醇，维生素等.。
There are 12 Terpenoids and alkenes compounds being main allelochemicals. It was 45. 04% of the total substances detected.───被认为是主要他感物质的萜烯类物质有12种，占挥发油总量的45.
As evidence, he points to studies showing that Alzheimer's patients have large amounts of type-2 alkenes in their brains.───他还出示了能够证明阿尔兹海默患者脑中含有大量2型烯烃的研究作为证据。
Therefore, the market for alkenes products is broad with immense economic potential.
Recent progress on asymmetric epoxidation of alkenes by chiral catalysts was summaries.
Neutralizing type-2 alkenes in the brain will likely be a good strategy for fighting Alzheimer's, said D. Allan Butterfield, a biological chemist at the University of Kentucky, Lexington.
Seven major methods and their reaction characteristics for the synthesis of primary vicinal diamines starting from epoxides, and alkenes etc.
Looked closely at microscale experiment and introduced how to use butane blowlamp as a heat source to carry out high temperature microscale experiment by the sample of cracking alkenes .
The reaction between ammonia or amines and alkenes is thermodynamically beneficial, but requires dynamic activation by special catalysts.
Differential heats of adsorption (DHA) of alkenes and alkanes having similar structures on USY zeolite were measured with a SET ARAM microcalorimeter.
Apart from light alkenes, CO prevailed in the produced COX while the selectivity to CO2 was always below 1 %, so the efficient utilization of carbon resources in the GOC process is high.
Arsine is an alkenes gas which has extensive use and extremely difficult technology in electronic gases. It is an important sign whether technologically advance of the electronic gases in a country.