单词 | alkene |
释义 | alkenes是alkene的复数 例句释义: 链烯,烯烃,烯类,烯烃类 1. 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。 dictsearch.appspot.com 2. 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。 www.13191.com 3. 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。 dictsearch.appspot.com 4. 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.。 blog.sina.com.cn 5. 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. www.ceps.com.tw 6. 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。 www.bing.com 7. The synthesis and application of vinylic tellurides in stereoselective synthesis of alkenes were reviewed. 49 reference are quoted. 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。参考文献49篇。 dictsearch.appspot.com 8. But he disagreed with the argument that type-2 alkenes in the environment are part of the story. 但他不同意环境中的2型烯烃会导致阿尔兹海默症。 www.bing.com 9. Alkenes have one or more double bonds between carbon atoms, where two pairs of electrons are shared. 链烯有一个或多个共价键,即碳原子分享两对电子。 dictsearch.appspot.com 10. 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。 www.bing.com 1. The 1, 3dipolar cycloaddition of pyridinium ylides with alkenes in the presence of TPCD, a mild bimetallic oxidant, was studied. 研究了吡啶钅翁盐生成的叶立德与烯烃在一种温和的双金属氧化剂TPCD存在下的1,3-偶极环加成反应。 dictsearch.appspot.com 2. 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。 www.bing.com 3. Alkene Bromination Used for Detailed Hydrocarbon and Bulk Hydrocarbon Group-Type Analysis of Gasolines Containing Alkenes 溴加成脱烯反应用于含烯汽油单体烃及族组成的分析 www.ilib.cn 4. QSPR Models of Thermodynamic Properties of Alkenes with Principal Quantum Number Topological Index and Its Converse Index 主量子数拓扑指数及其逆指数与烯烃热力学性质的定量关系 www.ilib.cn 5. Correlation between the Addition Reactivity and Alkyl Polarizability Effect for Alkenes 烯烃加成反应活性与烷基极化效应的关系 service.ilib.cn 6. Molecular Topological Research into the Dissolving Solubility and Cofficiency of the Distribution of Alkenes 烯烃化合物的溶解度和分配系数的分子拓扑研究 scholar.ilib.cn 7. Conjugated Polarizability Potential of Conjugated Alkenes 共轭烯烃的共轭极化势 www.ilib.cn 8. Study on Thermodynamics of Balanceable Reaction System for Hydrogenation of Carbon Dioxide to Light Alkenes 二氧化碳加氢合成低碳烯烃反应平衡体系热力学研究 scholar.ilib.cn 9. Study on Production of Light Alkenes by Gas Phase Oxidative Cracking of Cyclohexane 环己烷气相氧化裂解制低碳烯烃 www.ilib.cn 10. Static Synthesis of Zeolites MCM-56 and its Catalytic Performance in Alkylation of Benzene with Long-chain Alkenes MCM-56分子筛的静态合成及对苯与长链烯烃烷基化反应的催化性能 www.ilib.cn 1. Progress in Investigation on the Asymmetric Hydrocyanation Reaction of Alkenes 烯烃不对称氢氰化的研究进展 service.ilib.cn 2. Advances in Light Alkenes Production by Hydrocarbon Selective Oxidation 烃类选择氧化制低碳烯烃的研究进展 www.ilib.cn 3. Research progress in alkylation reaction of benzene with long chain alkenes 苯与长链烯烃烷基化反应技术的研究进展 www.ilib.cn 4. Conversion of light alkanes to alkenes under the action of non-equilibrium plasma 非平衡等离子体作用下低碳烷烃无氧烯烃化反应研究 www.ilib.cn 5. Research on the Alkylation of Benzene with Long Chain Alkenes in Ultrasonic Field 超声场中苯与长链烯烃烷基化反应的初步研究 www.ilib.cn 6. Atmospheric particle formation from the ozonolysis of alkenes in the presence of SO 存在时来自烯烃臭氧分解的大气微粒形成 edu.cma.gov.cn 7. Calculating the Refractive Index of Alkenes Using the Group Bond Contribution Method 应用基团键贡献法计算烯烃的拍光指数 www.ilib.cn 8. Progress in direct amination of alkenes to aliphatic amines 由烯烃直接胺化合成脂肪胺的研究进展 www.ilib.cn 9. The Correlation between a New Topological Index and the Properties of Alkenes 一种新的拓扑指数与烷烃物性关联 www.ilib.cn 10. Study on correlativity between alkyl benzene thermody-namics properties and topological indices of alkenes 烷基苯的热力学性质与价键拓扑指数的相关性研究 www.ilib.cn 1. Technology on the Reduction of Alkenes from FCC Gasoline FCC汽油改质降烯烃技术综述 www.ilib.cn 2. A Discussion on the Mechanism of Addition to Alkenes 关于烯烃加成反应历程的讨论 www.ilib.cn 3. Alkenes in the Arctic boundary layer at Canada 加拿大北极边界层的链烯 www.zzdnyy.com 4. The Nature of NMR Chemical Shifts of Proton and Carbon in Alkenes 烯氢和烯碳化学位移的本质 scholar.ilib.cn |
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