olefins
美 
英 ['??l?f?nz]
- n.【化】烯(屬)烴
- 網絡烯烴；熱解法可產制含較多幣屬烴；烯烴類
詞形變化
復數：olefins
英漢解釋
英英解釋
例句
In most cases, polyethylene was the main product and higher carbon number olefins usually accounted for the majority of the oligomers.
多數情況下，聚乙烯為催化反應的主產物，齊聚物中也是以高碳數烯烴為主。
LIGHT OLEFINS FOR INDUSTRIAL USE. DETERMINATION OF MOLECULAR OXYGEN IN GASEOUS PHASE. ELECTROCHEMICAL METHOD WITH A MEMBRANE-COVERED CELL.
工業用輕烯烴.氣相中氧分子的測定.帶細胞的電化學方法
Petroleum products. Determination of bromine number of distillates and aliphatic olefins. Electrometric method.
石油產品。蒸餾和脂肪烯烴的溴數測定。測電法。
Metallocene ligands, metallocene compounds and metallocene catalysts, their synthesis and their use for the polymerization of olefins.
金屬茂配體，金屬茂化合物和金屬茂催化劑，它們的合成以及它們用于聚合烯烴的用途。
The yield of diesel is 21. 63% and of propylene reaches up to 20. 18% , with olefins content in gasoline being very low.
在丙烯產率高達20.18%的情況下，柴油收率可以達到21.63%，而且汽油的烯烴含量非常低。
Several etherification processes and catalysts for the synthesis of tertiary alkyl others from alcohols and iso olefins are reviewed.
對幾種以異構烯烴和醇的醚化工藝作了綜述。
Light olefins for industrial use . Determination of impurities by gas chromatography . General considerations.
工業用輕烯烴。用氣相色譜法測定雜質的含量。一般考慮。
Huge demand on olefins, price advantage of coal and tight supply of oil make CTO (coal-to-olefins) projects competitive and attracting.
烯烴的巨大需求量、煤炭的價格優勢和石油資源的緊缺，使煤制烯烴項目極具市場競爭力，也引起了企業極大的投資熱情。
Transition metal compound, ligand system, catalyst system and the use of the latter for the polymerisation and copolymerization of olefins.
過渡金屬化合物，配體體系，催化劑體系及其在烯烴的聚合反應和共聚反應中的用途。
LIGHT OLEFINS FOR INDUSTRIAL USE. DETERMINATION OF AMMONIA. SPECTROPHOTOMETRIC METHOD.
工業用輕烯烴.氨含量的測定.分光光度法
Conclusion: Volatile components of apple seed are organic acid, olefins, alkane, aldehyde, ketone, phenol.
結論：蘋果籽含有有機酸、烯烴、烷烴、醛、酮、酚類揮發性成分。
The bottleneck of fractionation process was eliminated and the demand for lowering olefins in gasoline was satisfied.
消除了操作過程中的瓶頸，保證了汽油降烯烴的要求。
Refinery gases vary in composition but consist largely of hydrocarbons, both paraffins and olefins.
各種煉廠氣的組成不同，但都含有大量烴類，包括各種烷烴和烯烴。
Higher olefins are undesirable since they make by-products which burden the purification steps.
更加高級的烯烴是不受歡迎的，因為他們做負擔洗凈步的副產物。
The application of supported catalysts in the oxidation of olefins to aldehyde and ketones was reviewed.
總結了固載化催化劑在烯烴氧化合成醛酮中的應用。
The way of fixed carbon dioxide hydrogenated to synthesize light olefins had good prospect.
二氧化碳催化合成低碳烯烴是二氧化碳固定最有前景的方法之一。
New type food grade screw compressor lubricant can choose gather alpha olefins synthetic oil.
新型合成食品級螺桿式壓縮機的潤滑劑可選用聚α-烯烴合成油。
The hydrogenation of olefins affords an example where both heterogeneous and homogeneous catalyses are effective .
烯烴的加氫反應就是這樣的一個例子，對它說來均相催化和多相催化都是有效的。
Hydroformylation of higher olefins is a very important process in the field of petrochemical industry.
高碳烯烴氫甲酰化是最重要的石化技術之一。
Use coal instead of oil to produce olefins is an important way to realize China's energy strategy, and protect the nation's energy security.
以“煤”代“油”生產低碳烯烴，是實現我國以“煤代油”能源戰略，保證國家能源安全的重要途徑之一。
Methanol-to-olefins R&D work focuses on the synthesis and characterization of MTO catalysts.
甲醇制烯烴的研發重點是MTO催化劑的合成及其特征描述。
LIGHT OLEFINS FOR INDUSTRIAL USE. DETERMINATION OF TRACES OF CHLORINE. WICKBOLD COMBUSTION METHOD.
輕烯烴.微量氯含量的測定.威克博裝置燃燒法
A new process has been developed to remove most of the olefins and organic sulfides contained in coking gas.
開發了一種脫除焦化富氣中大量烯烴和有機硫化物的新工藝。
The experiment results indicated that the hydroformylation of C6-14 straight chain higher olefins could well conduct under TPSC system.
實驗結果表明，溫控相分離催化體系可很好地催化C6-14直鏈高碳烯烴氫甲酰化反應。
Polymers of vinyl chloride or of other halogenated olefins, in primary forms.
初級形狀的氯乙烯或其他鹵化烯烴聚合物。
ASTM D1159-01 Standard Test Method for Bromine Numbers of Petroleum Distillates and Commercial Aliphatic Olefins by Electrometric Titration.
電化學滴定法測量石油餾分及商用脂族烯烴的溴值試驗方法。
The two main classes of petrochemicals are olefins and aromatics.
石化的兩類主要產品是烯烴和芳烴。
Contain olefins, aromatics and olefins small two.
含有烯烴、芳香烴和少量二烯烴。
Polymers of propylene or of other olefins, in primary forms.
初級形狀的丙烯或其他烯烴聚合物。
Plants are sensitive to the simple olefins , particularly C2H4 .
植物對簡單烯烴是敏感的特別是乙烯。
With the strategic supporter of TOTAL, ASIACHEM will organize the first COAL-TO-OLEFINS Conference in Beijing, September 2009.
在道達爾石化的戰略支持下，亞化咨詢將于2009年9月在北京主辦首屆煤制烯烴技術經濟研討會。
The cracking performances of different skeletal structure C5-C8 olefins on zeolite catalyst were studied by using a pulse micro-reactor.
采用脈沖微反裝置，對不同骨架結構的C5~C8單體烯烴的裂解行為進行了實驗研究。
It offered a reference for long-term development of producing light olefins.
為低碳烯烴技術的長遠發展提供了參考。
The development in the oxidation of olefins to ketones catalyzed by palladium compounds was reviewed.
本文系統地評述了鈀配合物催化烯烴氧化合成酮類物質的研究進展。
LIGHT OLEFINS FOR INDUSTRIAL USE. DETERMINATION OF WATER. GUIDELINES FOR USE OF IN-LINE ANALYSERS.
工業用輕烯烴.水的測定.生產上的分析儀器應用指南
Heavy distillates make up a large fraction of feedstock for producing low molecular olefins in China.
在中國制取低碳烯烴的原料中，重質餾份油占有相當比重。
The olefins, such as ethylene and propylene, are formed from petroleum gas or from cracking of larger hydrocarbons.
烯烴主要是來自石油氣或大分子的碳氫化合物裂解，如乙烯，丙烯。
Synthesis of a Recyclable Chiral Ligand and Its Catalytic Performance for Asymmetric Dihydroxylation of Olefins
一種可回收手性配體的合成及其對烯烴不對稱二羥化反應的催化性能
Industry: Pharmaceutical Intermediates; Olefins and derivatives; Organic Intermediates;
所屬行業：醫藥中間體；烯烴及衍生物；有機中間體；；
Industry: Alkanes and derivatives; Olefins and derivatives; Alcohol; Carboxylic acid and derivatives; Aromatic hydrocarbons and derivatives;
所屬行業：烷烴及衍生物；烯烴及衍生物；醇類；羧酸及衍生物；芳香烴及衍生物；；
