1) naphtha fraction
石脑油馏分
1.
The result showed under the given conditions of naphtha fraction (60 - 901) as extraction dissolvent, the extraction times of 2, the optimum dissolvent dosing ratio of 1:1, the temperature o.
结果表明:用石脑油馏分(60-90℃)抽提溶剂,最佳溶剂与白土渣投量比为1:1,抽提次数为2,温度为室温,搅拌时间为15min且回流液质量百分比为5％情况下,润滑油回收率为92％左右,并且可形成稳定的循环操作模式。
2) straight run naphtha
直馏石脑油
1.
The hydrofined naphtha quality is superior to straight run naphtha and has met the target requirements for the feedstock of large scale fertilizer plant.
5 %以下 ,芳烃质量分数为 5 %～ 7% ,其质量优于直馏石脑油 ,达到了大化肥原料的指标要求。
3) anphtha distillation
石脑油蒸馏
4) 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 。
5) 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。
6) petroleum fractionator
石油分馏塔
1.
A nonequilibrium nonlinear dynamic model of petroleum fractionators is developed in this paper by directly taking into account the mass and heat transfer between liquid and vapor in the tower.
建立了基于工艺机理分析的石油分馏塔非平衡动态数学模型 ,直接考虑汽液两相间的传质传热。
补充资料：蒸汽裂解轻芳烃的石脑油与富含1,3-戊二烯蒸汽裂解轻芳烃的石脑油和蒸汽裂解中芳烃的石脑油的聚合物
CAS：68527-25-3
中文名称：蒸汽裂解轻芳烃的石脑油与富含1,3-戊二烯蒸汽裂解轻芳烃的石脑油和蒸汽裂解中芳烃的石脑油的聚合物
英文名称：Naphtha, petroleum, light steam-cracked arom., polymer with light steam-cracked arom. petroleum naphtha piperylene conc. and medium steam-cracked arom. petroleum naphtha
naphtha (petroleum), light steam-cracked arom.,polymer with light steam-cracked arom. petroleum naphtha piperyleneconc. and medium steam-cracked arom. petroleum naphtha
Naphtha,petroleum,light steam-cracked arom.,polymer with light steam-cracked arom. petroleum naphtha piperylene conc. and medium steam-cracked arom. petroleum naphtha
中文名称：蒸汽裂解轻芳烃的石脑油与富含1,3-戊二烯蒸汽裂解轻芳烃的石脑油和蒸汽裂解中芳烃的石脑油的聚合物
英文名称：Naphtha, petroleum, light steam-cracked arom., polymer with light steam-cracked arom. petroleum naphtha piperylene conc. and medium steam-cracked arom. petroleum naphtha
naphtha (petroleum), light steam-cracked arom.,polymer with light steam-cracked arom. petroleum naphtha piperyleneconc. and medium steam-cracked arom. petroleum naphtha
Naphtha,petroleum,light steam-cracked arom.,polymer with light steam-cracked arom. petroleum naphtha piperylene conc. and medium steam-cracked arom. petroleum naphtha
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