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1)  C_4 olefin
碳四烯烃
1.
Production technology of propylene from C_4 olefin by disproportionation;
碳四烯烃歧化制丙烯技术
2)  C_4 hydrocarbon
碳四烃
1.
The by-product C_4 hydrocarbon resource from ethylene plant and comprehensive utilization of C_4 hydrocarbon in foreign countries is introduced.
介绍了乙烯装置副产碳四烃资源情况,以及国外碳四烃利用技术的进展。
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3)  butane [英]['bju:teɪn]  [美]['bjuten]
碳四烷烃
1.
Advances in catalytic cracking butane for production of light olefins;
碳四烷烃催化裂解制低碳烯烃的研究进展
4)  light olefins
低碳烯烃
1.
Advances in process research on coal or natural gas to light olefins via methanol;
煤或天然气经甲醇制低碳烯烃工艺研究新进展
2.
Single-tube scaleup tests on direct conversion of syngas to light olefinsⅡ. Studies of catalyst properties;
合成气直接制取低碳烯烃单管扩大试验——Ⅱ.催化剂性的研究
3.
Single tube scaleup tests on direct conversion of syngas to light olefins Ⅲ. studies of regenerated catalyst properties;
合成气直接制取低碳烯烃的单管扩大试验Ⅲ．催化剂再生性能研究
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5)  light olefin
低碳烯烃
1.
Conversion of fluid catalytic cracking gasoline to light olefins and high octane number gasoline;
利用流化催化裂化汽油生产低碳烯烃联产高辛烷值汽油
2.
The results indicated that coal and heavy oil co-gasification can produce light olefins and synthesis gas,the content of light olefins(C2H4+ C3H6)is more than 15%,the content of synthesis gas(H2 + CO)is no less than 60%,and the content of carbon d.
结果表明,煤与重质油共气化技术可以制备低碳烯烃并联产合成气,低碳烯烃(C2H4+C3H6)含量大于15%,合成气(H2+CO)含量大于60%,CO2含量小于1。
3.
The demonstration showed that GOR-Ⅲcatalyst produced the highest hydrocarbon and light olefins yields.
实验表明,烃和低碳烯烃产率在GOR-Ⅲ上最高。
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6)  higher olefin
高碳烯烃
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补充资料：α-烯烃(碳>
CAS: 68955-43-1
分子式: (C4H2O3·H5NO·W99)x
中文名称: α-烯烃(碳>10)与马来酐的聚合物和氢氧化铵的反应产物

英文名称: Alkenes, C>10 .alpha.-, polymers with maleic anhydride, reaction products with ammonium hydroxide
. alpha.-Olefins (petroleum), maleimide graft copolymer
alkenes, c>10 alpha-, polymers with maleic anhydride, reaction products with am
monium hydroxide
alkenes, c>10 alpha-, polymers with maleic anhydride,reaction products with ammonium hydroxide
Alkenes,C>10 .alpha.-,polymers with maleic anhydride,reaction products with ammonium hydroxide
.alpha.-Olefins(petroleum),maleimide graft copolymer

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