1) fraction oil mixture
馏分油复配
3) 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 。
4) petroleum fractions
石油馏分
1.
Study on mathematic models for three distillation curves of petroleum fractions;
石油馏分三种蒸馏曲线数学模型的研究
2.
Mathematical model of inter-conversion among ASTM,TBP and EFV curves for petroleum fractions at atmospheric pressure
常压下石油馏分蒸馏曲线换算的数学模型
3.
Chemical method, chromatography and the hyphenation of chromatography and mass spectrometry are often used to analyze target compounds and quantify the aromatics in different petroleum fractions.
一直以来采用化学法、色谱法或质谱法等多种方法联用分析不同石油馏分中一些目标化合物和芳烃含量,但这些方法操作繁琐,迫切需要改进。
5) distillate
[英]['distilit] [美]['dɪstḷɪt]
馏分油
1.
Recent progress of foreign distillate hydrocracking processes and catalysts;
国外馏分油加氢裂化工艺和催化剂的最新进展
2.
New Development of Foreign Distillate Hydrocracking Techniques;
国外馏分油加氢裂化技术新进展
3.
The distribution and present forms of sulfur in the distillates from high-sulfur crude oils were overviewed.
综述了几种含硫原油的馏分油中硫的分布形态,以及硫化物的定性分析结果。
6) fractions of coal tar
焦油馏分
1.
Influence of the additives from fractions of coal tar on the slurryability of Pangzhuang coal;
焦油馏分添加剂对庞庄煤成浆性能的影响
补充资料:馏分
分子式:
CAS号:
性质:在精馏塔中,因液体混合物各组分的沸点不同(即不挥发度不同)而从塔顶或塔身某高度处馏出的产物。主要是液体,有的是气体。例如精馏原油时分离出的碳二馏分、碳三馏分、碳四馏分、碳五馏分等。
CAS号:
性质:在精馏塔中,因液体混合物各组分的沸点不同(即不挥发度不同)而从塔顶或塔身某高度处馏出的产物。主要是液体,有的是气体。例如精馏原油时分离出的碳二馏分、碳三馏分、碳四馏分、碳五馏分等。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条