ethylene
英 [ˈeθɪliːn]
美 [ˈeθɪliːn]
n. 乙烯
BNC.28157 / COCA.24972
牛津词典
noun
- 乙烯
a gas which is present in coal, crude oil , and natural gas
双语例句
- Whenever a plant responds to applied, i.e., unbalanced, applications of auxin, ethylene is produced.
当一植物对不平衡地施用生长素起反应时，总是产生乙烯。 - Some vegetables are easily affected by ethylene, including asparagus, broccoli, cabbage and cucumbers.
而一些蔬菜则很容易受到乙烯的影响而早熟，例如芦笋、西兰花、包菜和黄瓜。 - This is because of ethylene gas.
这是因为乙烯气体。 - Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst.
以醋酸和乙二醇单乙醚为原料，活性白土负载磷钨酸作为催化剂，合成了乙二醇单乙醚醋酸酯。 - Recent advances in preparation of ethylene glycol via ethylene oxide catalytic reaction are reviewed in this paper.
对环氧乙烷催化法合成乙二醇研究的最新进展作了综述。 - It is mainly used for producing epoxy ethane with ethylene, formaldehyde with methanol and producing ethylene glycol.
银作催化剂用的场合不多，主要用于乙烯氧化制环氧乙烷、甲醇氧化制甲醛及乙二醇的生产。 - A new process of liquid phase alkylation of benzene with ethylene was developed.
开发了苯和乙烯液相烷基化反应的新工艺。 - Catalytic Cracking of Butene to Ethylene and Propylene over SAPO-34 Molecular Sieves
SAPO-34分子筛上丁烯催化裂解制乙烯和丙烯 - Thermodynamics Analysis on Reaction System of Methanol and Ethylene Carbonate
甲醇与碳酸乙烯酯反应体系热力学分析 - The Studies of Simultaneous Production of Ethylene and Syngas from Methane Partial Oxidation
甲烷部分氧化同时制取乙烯和合成气的研究 - In this paper, the research on the catalytic distillation process of alkylation of benzene with ethylene, aiming at slowing down the deactivation of the catalyst, has been reported.
针对苯烃化催化精馏过程，围绕减缓催化剂失活的问题，采用过程数学模拟与试验研究相结合的方法，考察了进料苯烯物质的量比对过程结果和催化剂失活的影响。 - They are acrylaldehyde hydration, ethylene oxide formylation and biological zymolysis methods. a polymer of vinyl formaldehyde.
即丙烯醛水合法，环氧乙烷甲酰化法，生物发酵法。一种甲醛乙烯的聚合物。 - Several lines of evidence have shown that SLO is involved in sugar, ABA and ethylene signaling.
多方面的研究结果显示，SLO基因同时参与了糖、ABA以及乙烯的信号传导。 - The chemical, ethylene glycol, is widely used in products from polyester fibres to antifreeze for cars.
乙二醇目前广泛应用于各种产品中，包括聚酯纤维和汽车防冻剂。 - Thermodynamics on coupled conversion of butene and methanol to ethylene and propylene
丁烯/甲醇耦合反应制乙烯和丙烯的热力学 - Incomplete combustion and improper draft conditions can cause ethylene formation.
不完全的燃烧和不适当的通风条件能导致乙炔的产生。 - A new process for separating propylene and propane in ethylene production using extractive distillation with aqueous ACN was put forward.
对乙烯生产工艺中丙烷和丙烯的分离进行了研究，提出以含水乙腈为萃取剂的萃取精馏新工艺。 - Ethylene glycol is recycled on central platform.
乙二醇在中心平台进行回收再利用。 - The synthesis of ethylene glycol mono stearate by supported p-toluene sulfonic acid was investigated.
探讨了以负载型对甲苯磺酸为催化剂合成乙二醇硬脂酸单酯的工艺。 - In higher plants, ethylene is involved in regulation of many aspects of plant growth and development.
在高等植物中，乙烯参与调控植物的生长和发育。 - Exact plastomers are a family of ethylene alpha olefin copolymers that bridge the gap between elastomers and plastics.
-烯烃共聚物产品族的一员，它填补了弹性体和塑料之间的空白。 - The new development and the application of metallocene ethylene/ octene copolymer were reviewed with 20 references.
综述了茂金属乙烯－辛烯共聚物作为弹性体材料的最新应用进展。 - Canada is rich in natural resources, for ammonia, urea, methanol and ethylene production.
加拿大有丰富的天然气资源，用于合成氨、尿素、甲醇和乙烯的生产。 - In contact with a hot surface, naphtha petroleum fractions crack to produce ethylene and propylene.
石脑油馏份与一个热表面接角，就裂解而得到乙烯和丙烯。 - Both stereo effect and electron effect of borane on the activity of ethylene polymerization were investigated.
我们研究了硼化物的体积效应和电子效应对茂金属催化体系聚合活性的影响。 - Methanol-to-olefin and low-value olefin cracking integrated technologies are other effective approaches to producing ethylene and propylene.
甲醇制烯烃与低价值烯烃裂解集成工艺将是我国生产乙烯、丙烯的另一条有效途径。 - Objective: to study the sampling and determinating method of ethylene dibromide among the workplace air.
目的：探讨工作场所空气中1,2-二溴乙烷的采样和测定方法。 - The direct effect of ethylene on lipase activity and its mechanism have been studied.
研究了乙烯对脂肪酶活力的直接作用及其机理。 - Ethylene oxide and propylene oxide copolymer was a kind of important assistants and its moleculer structure design was studied.
非离子型化合物环氧乙烷环氧丙烷共聚醚在助剂行业具有广泛的应用和较好的开发、研究的前景。 - The promoting effect of Re for ethylene epoxidation was investigated on Re modified electrolytic silver surface.
采用电解银表面化学修饰法研究了铼对乙烯环氧化反应的助催化作用。