馏分

liú fèn
  • fraction;distillate;cut;cut fraction;key;cutter stock
馏分馏分
馏分 [liú fèn]
  • (1) [fraction]∶几个可通过分馏或分级而分离的部分

  • (2) [key]∶液体混合物的一个组分,是由分馏法分离出的

馏分[liú fèn]
  1. 大庆裂解C9馏分合成改性石油树脂

    Study preparation of modified petroleum resin from c_9 fraction of Daqing

  2. C9馏分应用于涂料的研究

    A study of fraction c_9 app-lied in paint and coatings

  3. 富含异戊烯的C5馏分合成叔戊醇的研究

    Preparation of tertiary amyl alcohol from iso amyl ene enriched c_5 fraction

  4. 蒸汽裂解C5馏分抽余物加氢制取戊烷

    Hydrogenation of the raffinate of 5-carbon fraction from steam cracking for pentane

  5. 炼油厂催化C4馏分醚化的经验与建议

    Experience and suggestion of etherification of c_4 fraction from FCC

  6. 新型C2馏分加氢除炔催化剂的制备和应用

    Preparation and Application of Novel C_2 Fraction Selective Hydrogenation Catalyst

  7. 热二聚法分离C5馏分中的环戊二烯

    Separation of cyclopentadiene from C_5 cut fraction by thermal dimerization

  8. 裂解C5馏分的精细化工利用

    Utilizations of Cracked C 5 Fraction in Fine Chemicals

  9. 从C4馏分中分离高纯度正丁烯的新技术

    New technology for separating high purity n-butene from c_4-cut

  10. 裂解副产C5馏分利用途径

    Utilization of by-product c_5 fraction from steam cracking

  11. 乙烯副产C9馏分的GC/MS分析

    Analysis of C_9 fractions with gas chromatography-mass spectrometry

  12. 裂解C5馏分的催化加氢研究

    Study on catalytic hydrogenation of pyrolysis C_5

  13. 利用C5馏分制备戊醇

    Preparation of Amyl Alcohol with C5 Fraction

  14. 气相色谱法测定热裂解汽油C6~C8馏分中硫化物

    Quantitative analysis of sulfides in C_6 ~ C_8 fractions of pyrolysis gasoline by gas chromatography

  15. 色谱与色谱/质谱法相结合分析热裂解汽油C9馏分

    Analysis of C_9 Fraction of Pyrolysis Gasoline by Gas Chromato-graphy and Gas Chromatography / Mass Spectrometry

  16. 目前,国内大部分C5馏分被直接用作燃料,仅有小部分用在化工方面。

    But in our country , most C_5 fraction was directly used as fuel , and only little as chemical raw material .

  17. 化学镀法制备Pd负载型碳二馏分选择加氢催化剂及其催化性能

    Supported Pd Catalyst Prepared by Electroless Plating for Selective Hydrogenation of C_2 Fraction

  18. Pd/Al2O3催化剂用于连续重整汽油全馏分加氢的失活分析

    Deactivation of Pd / Al_2O_3 catalyst for selective hydrogenation of full-range reformate gasoline

  19. 研究了利用大庆乙烯生产装置副产的C_9馏分合成油溶性石油树脂。

    Abstract This paper states that petroleum resin is synthesised by using fractions of C_9 , which are the by-product of Daqing ethene unit .

  20. 基于~1HNMR测定和基团贡献法预测石油馏分的热化学性质

    Thermochemical property prediction on basis of ~ 1 H NMR determination for petroleum fractions

  21. 原油中nC4~nC(14)馏分峰的色谱鉴定及地质应用初探

    The Identification of nC_4 ~ nC_ ( 14 ) Fraction in Crude Oil and Its Preliminary Geological Application

  22. FCC汽油重馏分催化蒸馏加氢脱硫研究

    Hydrodesulfurization of FCC Gasoline Heavy Cut with Catalytic Distillation

  23. 以单质硫和FCC馏分油为原料合成有机硫化剂。

    Polysulfides was synthesized using FCC gasoline and sulfur .

  24. 从LPS馏分出发合成先驱体聚碳硅烷

    Synthesis of Polycarbosilane from the Distilled Fractions of LPS

  25. GC-MS在重质馏分油组成分析中的应用

    The Application of GC - MS on Heavy Fraction Oil

  26. 近年来,随着国内乙烯装置的不断改扩建,对C4馏分的综合利用形成了很大的压力。首先受到扩产压力的就是现有的丁二烯抽提装置。

    Recently , comprehensive utilization of the C_4 mixture is a pressing problem along with the continuous revamping of ethylene plants , especially for existing butadiene plants .

  27. 轻质油(45℃馏分)蒸气的生殖毒性研究Ⅱ.对大鼠睾丸LDHX及溶酶体酶的影响

    Study on reproductive toxicity of light oil vapour ⅱ . effect on LDH-X and lysosomal enzymes of rat testis

  28. 氟离子CIMS法测定北海高酸馏分油中的羧酸

    Determination of naphthenic acids in distillates of North Sea crude oil by fluoride ion CIMS

  29. 实验结果表明其生物活性大小为P3>P1>P2>Na2SeO3,并对三个含硒馏分的结构进行了讨论。

    Experimental results showed that the sequence of their biological actives was : P3 > P1 > P2 > Na2SeO3 . The structure of three fractions containing selenium were discussed .

  30. 蒸汽裂解试验显示尾油馏分是很好的蒸汽裂解制乙烯原料,其乙烯收率较大庆AGO高2~3个百分点。

    The unconverted oil was a good feedstock for steam cracking and its ethylene yield was 2 % - 3 % higher than that of Daqing AGO feedstock .