alkene
英 [ˈælkiːn]
美 [ˈælkiːn]
n. 烯; 烯烃
复数：alkenes
牛津词典
noun
- 烯；烯烃
any of a series of gases that contain hydrogen and carbon and that have a double bond (= force of attraction) between two of the carbon atoms
双语例句
- The material of the antiskid sheets is synthetic rubber, such as artificial rubber or butyl benzene alkene artificial rubber.
防滑片的材料为合成橡胶如丁基人造橡胶或丁基苯烯人造橡胶。 - Preparation of Activated Carbon from Sludge from Alkene Production
烯烃装置产生的污泥制备活性炭的研究 - The technologies of producing synthetic gas, methanol, dimethyl ether, alkene and synthetic oil from natural gas are discussed emphatically.
着重探讨了天然气制合成气、甲醇、二甲醚、烯烃以及合成油的生产工艺。 - Chemically Grafting and Catalytic Performances of Salen-Co Complex onto Silica and Core-shell Silica for Epoxidation of Alkene with Oxygen in the Presence of Isobutyraldehyde
Salen-Co配合物在核-壳结构的Silica上的接枝及催化性能的研究 - The Alkene Double Bond: A Focus of Reactivity.
烯烃的双键：重点是反应活性。 - A flammable colorless gaseous alkene; obtained from petroleum and natural gas and used in manufacturing many other chemicals.
一种无色易燃的气态烯烃，从石油和天然气中提取，用于制造其他许多化学品。 - A hydrocarbon was known to be either an alkene or alkane.
某碳氢化合物已知可能是烯烃或是烷烃。 - Olefin ( or alkene) Any unsaturated hydrocarbon containing one or more pairs of carbon atoms linked by a double bond ( see covalent bond, saturation).
含有一对或多对由双键连接的碳原子的一类不饱和烃。 - Investigation of the Preparation of Ultra High Molecular Weight Poly-α-Alkene by Z-N/ Metallocene Catalyst
Z-N/茂金属催化剂制备超高分子量聚α-烯烃的研究 - As the alkene content of motor vehicle petrol containing catalytic fraction is large, it is difficult to measure accurately by the fluorescent indicator adsorption method.
毛细管气相色谱法测定石脑油中重组份含量含催化馏份的车用汽油，烯烃含量大，用荧光指示剂吸附法不易测准汽油的族组成。 - Supercritical conditions can enhance the conversion of isooctane but lower the alkene selectivity simultaneously.
超临界条件与常压相比能提高异辛烷的转化率，但同时使烯烃选择性降低。 - The electrolytic titration method was compared with the inverse titration method in this paper far the accuracy at the measuring alkene.
比较了电位滴定法和反滴定法测定烯烃含量的准确性。 - The betaine will collapse to the alkene only when these two functions are eclipsed.
只有当这两个基团移至重迭位置时碘盐才能裂解为烯烃。 - Tungstogermanic acid as a catalyst for dehydration of alcohol to form ether or alkene is reported.
报道了钨锗酸对醇脱水成醚或成烯的催化反应。 - The hydrocarbon must be an alkene.
这个碳氢化合物必定是烯烃。 - It also studies the catalytic behavior of hydrogenation of these complex catalysts for some nitro-compounds and alkene compounds.
以这个络合物为催化剂，对一些硝基化合物和烯类化合物的加氢催化作用进行了研究。 - Long-chain alkene is activated by catalysts and react with benzene.
长链烯烃在催化剂上除了吸附活化与苯反应之外，还有生焦的倾向。 - This paper reviews the catalytic system of methyl formate reacting with alkene for synthesis of esters, in addition, the reaction mechanism is also discussed.
本文系统介绍了甲酸甲酯与烯烃反应合成酯的催化体系，并对反应机理进行了讨论。 - The new catalyst for preparing base oil of lubricant by polymerization of α alkene was studied.
对α-烯烃聚合制备润滑油基础油的新型催化剂进行了研究。 - This paper presents a dynamic simulation system of PA devices which are in alkene factory of Qilu petrifaction.
本文建立了齐鲁石化烯烃厂苯酐装置的动态模拟系统，首次超实时模拟了开停车过程、正常工况及事故状态下的动态响应，取得了良好的效果。 - The organic peroxide is a sort of important initiator in alkene polymerization industry.
有机过氧化物是烯烃聚合工业中重要的引发剂。 - Synthesis of soluble fluorinated alkene with hydroxyl and preparation of fluorinated polyurethane coatings were described.
本文介绍了可溶性的带羟基含氟烯烃的合成及含氟聚氨酯涂料的制备。 - The preparation of alkene ketone from hydroxide ketone dehydrogenation was studied, H3PO4 was selected as the super catalyst.
研究了羟酮酸性脱水制备中间产物烯酮（3-庚烯-2-酮）的相关工艺条件，得出H3PO4为脱水反应的优良催化剂。 - OPGPP/ Ru3 ( CO) 12 complex also show high activity in the hydrogenation of alkene.
同时，OPGPP／Ru3（CO）（12）配合物催化剂在烯烃加氢反应中亦显示出很好的催化活性。 - The epoxidation of alkene catalyzed by metalloporphyrins could get the high conversion and selectivity in gentle conditions.
金属卟啉催化烯烃环氧化反应的研究早有报道。这类催化剂不仅使反应得以在温和条件下实现，而且得到了较高的反应转化率和选择性。 - Selective adsorption is mainly used in desulfurization and separation of alkene.
吸附脱硫和吸附分离烯烃是选择性吸附分离技术两个主要的应用方面。 - Alkene epoxidations under various catalytic system over different catalyst synthesized in the paper based on different alkenes were researched.
针对不同的烯烃底物制备了不同的多相催化剂，分别研究了在不同催化体系下的环氧化反应。 - Metalloporphyrin is a biomimetic catalyst, which has being extensively studied and applied in alkane oxidation and alkene epoxidation.
金属卟啉是研究较多的一类仿生催化剂，目前主要应用于烷烃的活化氧化反应中。