1) Fraction distribution
馏分分布
2) fraction
馏分
1.
Analysis of fraction separated in the process of distilling used aircraft deicing fluid by gas chromatography-mass spectrometry;
蒸馏废飞机除冰液所得馏分的气相色谱-质谱分析
2.
Mild Heat Conversion of Gudao Vacuum Residue Narrow Fractions;
孤岛减压渣油窄馏分缓和热转化
3.
In order to confirm the component of some water-based lubricant for metal working, it is adopted that solvent extraction pretreatment is at first, separation and purification by column chromatograph is at second, then using the collected fraction to analyze the infrared spectrum and elements.
为确定某金属加工用水基润滑剂组成成分,采用先经溶剂萃取预处理,再通过柱层析进行分离和提纯,然后对收集的馏分进行红外光谱、元素分析。
3) distillation
馏分
1.
With gas chromatographic and mass spectrum(GC-MS) analysis technology,the chemical composition of biomass tar and its distillations were analyzed.
主要采用色谱-质谱联机(GC-MS)成分分析法对生物质焦油及其馏分试样进行成分分析。
2.
A distillation was carried out and complete distillation curves were acquired.
结果表明,热解油品质较轻,200℃以下轻馏分总量高达33%～40%,而且热解温度的升高也有助于增加轻馏分含量。
3.
In the experiment distillation method is adopted and distillations in the different temperature range are collected.
本研究以保护环境,发展生物质能利用技术为背景,采用加热蒸馏的方法,深入研究生物质焦油及其不同温度段馏分的组成成分和热动力学特性,为生物质焦油在化学工业和能源方面的开发利用提供参考。
4) distillate
馏分
1.
Washing oil distillate from coal tar is rich in such valuable organic chemical materials as quinoline, α-methyl-naphthalene, β-methyl-naphthalene, diphenyl, indole, acenaphthene, fluorene, etc.
煤焦油洗油馏分中富含喹啉、α-甲基萘、β-甲基萘、联苯、吲哚、苊、芴等宝贵的基本有机化工原料,介绍了这些组分的分离提取及其在精细化工中的应用,煤焦油的深加工对资源综合利用及精细化工的发展具有重要意义。
2.
The chromatograph skeleton components were analyzed respectively in the distillation of Luzhou-flavour liquor in view of different layers of fermented grains, different liquor yield and different distillates and a set of technical parameters was summarized.
在浓香型白酒提取蒸馏的过程中 ,针对发酵醅层、产酒量、馏分的不同 ,分别进行色谱骨架成分分析 ,探讨并总结了一套工艺参数 ,结果表明,这套摘酒方案对指导生产具有一定的应用价值。
5) cut fraction
馏分
6) petroleum fraction
石油馏分
1.
Based on the existing problems in characterization of petroleum fractions with pseudo-components and real-components methods,a new real-components method was proposed,by which the fractions in narrow distillation ranges were characterized with some real-components contained structrure informations according to the properties of the fractions in different distillation ranges.
在分析了假组分法和真组分法石油馏分描述存在问题的基础上,提出了一种改进的真组分法,即根据不同馏程段石油馏分的特性,用若干个包含结构信息的真组分描述石油窄馏分。
2.
New and reliable empirical correlations for predicting the average boiling points of petroleum fractions,which include mass average boiling point, molar average boiling point, cubic average boiling point and mid-average boiling point,were proposed and the deviation was analyzed.
针对石油馏分质量平均、实分子平均、立方平均和中平均沸点的校正问题进行了研究 ,提出了新的计算数学关联式 ,并进行了参数估计和误差分析。
3.
Structural parameters, such as 1 H NMR spectrum, hydrogen and carbon atom contents,for 20 petroleum fractions from two crude oils were determined by using nuclear magnetic resonance (NMR) spectroscopy and elemental analysis.
测定了两种原油 2 0个石油馏分的1HNMR谱和氢、碳元素含量等结构参数 ,以及馏分的燃烧焓、蒸发焓等热化学性质 。
参考词条
补充资料：C5馏分
分子式：
分子量：
CAS号：
性质：见碳五馏分。
分子量：
CAS号：
性质：见碳五馏分。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。