alkyne

1. The recent development about applications of ionic liquids ( ILs) to transition metal-catalyzed cyclization of alkyne and enyne compounds was introduced.
   概述了离子液体在过渡金属催化炔及烯炔类化合物环合反应中应用研究进展。
2. Acetylene ( ethyne) Simplest alkyne, C2H2. A colourless, flammable, explosive gas, it is used as a fuel in welding and cutting metals and as a raw material for many organic compounds and plastics.
   乙炔：最简单的炔（C2H2），无色可燃气体，广泛用作金属焰焊接和切割的燃料，也是合成许多有机化学品和塑料的原料。
3. Research Progress in the Synthesis of Allene from Alkyne Derivatives
   以炔烃衍生物为底物的联烯合成研究进展
4. Introduction to the Alkyne Triple Bond.
   炔烃三键介绍。
5. Study on New Polymerization Catalytic Systems of Alkyne and the Properties of the Polymers
   新的炔烃聚合催化体系及其聚合物性质的研究
6. Study on TiC black film by low temperature deposition with alkane/ alkyne gas
   烷/炔气低温沉积TiC黑膜的研究
7. The mechanisms of the ruthenium(ⅱ)-catalyzed reaction of organic azide with terminal alkyne have been investigated using density functional theory.
   采用密度泛函理论，对在Ru（Ⅱ）催化剂存在下，有机叠氮化合物和末端炔的反应机理作了深入理论研究。
8. A new test method, in which alkyne impurity content in 1,3-Butadiene is determined by a capillary gas chromatograph, was introduced.
   介绍了一种毛细管气相色谱法测定1,3-丁二烯中炔烃杂质含量的新试验方法。
9. Improvement of selective hydrogenation catalysts for alkyne series in France
   法国对炔烃选择加氢催化剂的改进
10. The situation of the improving hydrogenation catalyst for alkyne series in recent over 10 years in France petroleum institute was summarized.
    概述了法国石油研究院近十多年来对快烃加氢催化剂的改进情况。
11. Study on allylic or propargylic coupling reaction of terminal alkyne under copper(ⅰ) catalysis and phase transfer condition
    Cu（Ⅰ）催化及相转移条件下末端烯（炔）丙基化偶联反应研究
12. Analysis of Alkyne Impurity Content in 1,3-Butadiene by Capillary Gas Chromatograph
    毛细管气相色谱法分析1,3-丁二烯中炔烃杂质含量
13. Role of Electron Donors on the Selective Hydrogenation of Conjugated Dienes or Alkyne
    给电子试剂在共轭二烯或炔烃催化选择加氢中的作用
14. The article analyzes causes for butadiene which contains alkyne that exceeds to advance the method of reducing butadiene alkyne quantity through optimal operation of part of 2nd extractive distillation.
    分析了丁二烯快轻超标的原因，提出了通过优化第二等取蒸馏部分的操作等措施来降低了二烯快经的方法。
15. Considering defects of Pd catalyst for C_2 alkyne hydrogenation in industrial steam cracking ethylene installation, effects of adding Ag and alkaline metal compounds on catalyst activity, selectivity and stability were investigated.
    针对C2馏分加氢除炔Pd催化剂在工业应用中存在的缺陷，考察了添加Ag助剂和碱金属化合物对催化剂的活性、选择性和稳定性的影响。
16. The chemical properties of alkenes and alkynes are induced to 3 kinds through analysis: reactions of functional group, reactions of hydrocarbon radical, special reactions of extremity alkynes. And the regularity and scientism of alkene and alkyne chemistries are enhanced.
    经过分析将烯烃和炔烃的化学性质归纳成为3大类：官能团的反应，烃基的反应和端基炔的特殊反应，从而增强了烯烃和炔烃化学的规律性和科学性。
17. Computational Study on Reductive Coupling Reaction of Alkyne with Epoxide by Nickel Complex
    Ni催化炔烃和环氧化物还原偶合反应的密度泛函研究
18. Study on QSPR Between Molecular Connectivity Index and Thermodynamic Property of Olefine and Alkyne
    分子连接性指数与烯、炔烃热力学性质的QSPR研究
19. The reductive coupling reaction of alkyne and epoxide has been investigated based on the density functional theory ( DFT).
    用密度泛函方法（DFT）研究Ni催化炔烃和环氧化物还原偶合反应。
20. Study on Part Hydrogenation Mechanism of Alkyne
    炔烃部分氢化机理的探讨
21. Therefore, we developed a highly efficient copper-catalyzed decarboxylation-coupling reaction between halides and alkyne acids.
    因此，我们发展了一种非常高效的铜催化的卤代烃与炔酸的脱羧偶联反应。
22. Research on the reaction of iron-catalyzed coupling reaction of terminal alkyne.
    铁催化端基炔偶联反应的研究。
23. The solvent effects on alkyne and alkene chromophores are investigated in the forth chapter.
    第四章研究了苯乙炔和苯乙烯系列分子的溶剂效应。
24. This chapter mainly focused the synthesis of propargylic alcohols in many methods including strong base reagents and organic reagent improved by the strong base, the terminal alkyne, and Lewis acid or base.
    此章中我们主要介绍了通过强碱试剂、由强碱改进的有机试剂、末端炔烃衍生物和路易斯酸/碱组合等方法来合成炔丙醇。
25. In this paper, we are interested in the transition metal-catalyzed azide and alkyne cyclization reaction and its application in organic synthesis, which including the following: In the first chapter, we have reviewed the recent studies about the azide-alkyne cyclization reaction and its application.
    本论文主要研究过渡金属催化的叠氮化合物与炔的环化反应及其在有机合成中的应用，主要包括以下内容：第一章对近几年来叠氮与炔的环化反应及其应用给出了综述。
26. So carry out the research on the localization of alkyne aldehydes catalyst has significant.
    因此，开展炔醛催化剂的国产化研究，具有重大的现实意义。
27. The degree of branch structure is related to the ion-pair, which is the substituent group connected to N atom in alkyne, and the steric effect of the Lewis Base. The branch structure can be restrained by controlling the chain transfer reaction.
    其支化程度与离子对的结构，即炔酰胺上N原子相连取代基和路易斯碱的位阻大小有关，可通过对链转移反应的抑制控制支化程度。
28. With the three-components coupling reaction of amine, alkyne and aldehyde as prototype, the catalytic property of the nanoparticle was also studied.
    并以醛、炔、胺三组分的偶联反应（A3）为模型，对纳米银/碳复合物在有机反应中的催化性能进行了初步研究。

noun

1. a colorless flammable gas used chiefly in welding and in organic synthesis

   Synonym:    acetyleneethyne