alkenes
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释义
烯属烃；
英英释义
alkene
n.any unsaturated aliphatic hydrocarbon
同义词：olefineolefin
权威例句
Metal-Initiated Amination of Alkenes and Alkynes †Metal-Catalyzed Epoxidations of Alkenes with Hydrogen Peroxide
Chromium- and manganese-salen promoted epoxidation of alkenes
Hydroamination: The Direct Addition of Amines to Alkenes and Alkynes
Alkyl Monolayers on Silicon Prepared from 1-Alkenes and Hydrogen-Terminated Silicon
Palladium-Catalyzed Alternating Copolymerization of Alkenes and Carbon Monoxide
Oxidative coupling of aromatic substrates with alkynes and alkenes under rhodium catalysis
Gas-Phase Tropospheric Chemistry of Volatile Organic Compounds: 1. Alkanes and Alkenes
ChemInform Abstract: Gas‐Phase Tropospheric Chemistry of Volatile Organic Compounds. Part 1. Alkanes and Alkenes
A Novel Class of Versatile Solvents for Two‐Phase Catalysis: Hydrogenation, Isomerization, and Hydroformylation of Alkenes Catalyze...
1. Alkenes react with water and halogens to form halohydrins by an addition reaction.
烯烃与水和卤素发生加成反应生成卤代醇。
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2. Light alkenes play a significant role in the petrochemical industry.
低碳烯烃在石化工业中起着举足轻重的作用。
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3. Table 2 shows names for some alkyl groups, alkanes, alkenes and alkynes.
表2显示了一些烷基、烷烃、烯烃及炔烃的命名。
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4. 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。
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5. Prediction of the critical volume of alkenes using a quantitative structure property relationship;
提出了一种基于元素和化学键的估算有机物临界体积的新方法。
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6. The synthesis and application of vinylic tellurides in stereoselective synthesis of alkenes were reviewed.
综述了近年来烯碲化合物的合成及其在立体选择合成中的应用。
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7. Exposure to type-2 alkenes in the environment has already been linked with cancer, heart disease, and other problems.
科学家已经将癌症、心脏病及其他疾病与暴露在含有2型烯烃的环境里关联起来。
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8. 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。
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9. The acid sites of zeolite Y catalysts for alkylation of aromatics with long-chain alkenes are determined with IR and TPD.
长链烷基苯是合成洗涤剂的重要原料，是由苯与长链烯烃在酸性催化剂作用下烷基化反应生成的。
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10. The application of metal complex as the catalysts of aerobic oxidation of alcohols and epoxidation of alkenes are reviewed.
综述了各种金属络合物催化剂在分子氧作为氧化剂在醇的氧化、烯烃的环氧化上的应用。
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11. The position of intersection of some alkenes has been predicted by this method and checked successfully by our experiments.
使用理想保留体积的方法，预测了烯烃的交点位置，并用实验作了验证。
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12. 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。
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13. For higher olefin that has poor solubility in water, the hydroformylation reaction rate is much less than short-chain alkenes.
对于水溶性差的高碳烯烃，其氢甲酰化反应速度远远低于低碳烯烃。
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14. The review is focused on the recent development of asymmertric synthesis of chiral epoxides by biocatalyzing prochiral alkenes.
手性环氧化物在合成上具有重要的应用价值。
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15. The invention relates to a method of preparing light alkenes by adopting a two-stage process and taking syngas as raw material.
本发明涉及一种以合成气为原料两段法制备低碳烯烃的方法。
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16. And cigarette smoking increases the risk of Alzheimer's by more than 150 percent, possibly because of the type-2 alkenes in tobacco smoke.
二手烟将罹患阿尔兹·海默症的风险提高1.5倍，很可能是因为烟草中含有2型烯烃。
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17. The impurities in fatty alcohols are single-carbon alkanes and alkenes through the analysis and identification of C14-16 alcohols by GC-MC.
本文通过色质谱对C14-16醇的分析鉴定，弄清脂肪醇中的杂质是单碳烷烃和烯烃。
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18. This paper reports the route of synthesis multisubstituted alkenes by addition reaction of alkyne zirconalkylation with zirconocene complexes.
本文报道了锆烯络合物对炔烃的烷基化加成，合成多取代烯烃，产率较高。
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19. The process provides a facile way of producing hydrocarbyl perchlorates, from alkenes, cycloalkenes, aralkenes, alkanols, cycloalkenes and aralkanols .
本工艺程序提供了从链烯、环烯、芳链烯、链烷醇、环烷醇、芳烷醇来制备过氯酸烃基酯的方便方法。
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20. The progress in alkylation reaction of benzene with long chain alkenes was introduced from the two aspects of catalyst research and reaction technology.
从催化剂研究和反应技术两方面介绍了苯与长链烯烃烷基化反应技术的研究开发进展。
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21. Based on the reaction medium and the elements in the catalysts, the recent progresses of epoxidation of alkenes with hydrogen peroxide have been reviewed.
以反应介质和主催化元素为线索，对双氧水为氧源的烯烃环氧化反应的最新研究进展进行了综述。
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22. The carbon blue mildew alkenes medicine in 2005,2006 year maintains 95% above sensitive rate, in 2007 starts its sensitivity to drop suddenly, in 2008 sensitive rate has 30%;
碳青霉烯类药物在2005年、2006年度保持95%以上的敏感率，2007年开始其敏感性急剧下降，2008年敏感率只有30%；
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23. 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.
供职于肯塔基州列克星敦大学的生物化学家AllanButterfield博士认为，中和脑内的2型烯烃很可能是对抗阿尔兹海默症的好方法。
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24. About forty alkenes were prepared by dehydration of the corresponding alcohols in the presence of the ferric sulfate hydrate as catalyst. The yields of these alkenes were from 85% to 97%.
研究了在硫酸铁水合物催化下，不同叔醇脱水成烯反应，结果表明该催化剂对叔醇脱水成烯的反应有较好的催化效果，生成烯烃的产率为85～97％。
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25. Symmetrical diynes were synthesized by ligand-free copper-catalyzed homocoupling reaction of 1,1-dibromo-1- alkenes using a DBU/DMSO system at room temperature in good to excellent yields.
本文以1，1-二溴-1-烯烃为原料，铜作为催化剂，不添加任何配体，在有机碱DBU的作用下，在DMSO溶剂中，室温下合成对称二炔，得到中等到优秀的产率。
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26. In this article, the recent application in recent years of metal complexes composed of binaphthyl derivatives in asymmetric hydrogenation of prochiral alkenes, ketones and imines are reviewed.
综述了近年来联萘衍生物作为手性配体构成的金属络合物在前手性烯、酮及亚胺的不对称氢化反应中的应用。
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27. 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.
砷烷是电子气体中用途十分广泛，技术难度非常大的烷类气体，它是一个国家电子气先进与否的重要标志。
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28. 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.
砷烷是电子气体中用途十分广泛，技术难度非常大的烷类气体，它是一个国家电子气先进与否的重要标志。
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alkenes
