fractional composition of petroleum是什么意思

网络释义

用法例句

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。

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。

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 。

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

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

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。

Measuring distillation range of petroleum fractions by Engler distillation related with gas chromatography simulated distillation technology.

基于色谱模拟蒸馏技术的石油馏分恩氏蒸馏馏程测定方法

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

New Mathematical Model for True Boiling Point Distillation and ASTM Distillation Curve of Petroleum Fractions

石油馏分实沸点蒸馏曲线与恩氏蒸馏曲线关系的新数学模型

Research on Characterizing Petroleum Fractions Based on Real Components Method and Its Application;

真组分法石油馏分描述研究及其应用

Light petroleum distillate, generally known as naphtha, was the logical choice.

轻石油馏分，如石脑油是合乎逻辑的选择。

Petroluem distillates and commercial aliphatic olefins-Determination of bromine number-Electrometric titration

GB/T11135-1989石油馏分和工业脂肪族烯烃溴值测定法(电位滴定法)

The product is made of superior petroleum distillate with scientific, reasonable and rigorous process.

本产品采用精选的石油馏分，经过科学合理的加工过程制造而成。

Fractional distillation of petroleum is carried on in a still.

石油的分馏在蒸馏器内进行。

hydrocol naphtha fraction

铁催化剂流化床合成的石脑油馏分

Petroleum refining is the separation of petroleum into fractions and the subsequent treating of these fractions to make them into petroleum products.

石油炼制即将石油分离成各种馏分，然后将这些馏分经过处理，制成各种石油产品。

STUDY ON BASIC PHYSICAL PROPERTIES OF CHINESE PETROLEUM FRACTIONS (3)DETERMINATION OF CRITICAL PROPERTIES

我国石油基础物性的研究——(3)直馏馏分油临界参数的测定与研究

Study on Removing Naphthenate from VGO by Fiber Membrane

纤维膜法分离馏分油中石油酸盐的工艺研究

Using Hydrocracked Whole-fraction Bottom Oil to Produce Lubricant and Paraffin

利用加氢裂化全馏分尾油生产润滑油和石蜡

In the process, all the liquid fractions of the petroleum are changed to gases, which move out of the still.

在这个过程中，石油的所有液体分馏物都变成气体，从蒸馏室流出。

Analysis of All Components of Naphtha by GC & GC/MS;

色谱及色谱/质谱联用进行石脑油全馏分分析

A volatile, flammable fraction of petroleum, obtained by distillation and used as a solvent.

石油类是石油当中易挥发,易点燃的成分。通过蒸馏获得,用作溶剂

petroleum products and bituminous materials-determination of water-distillation method

石油产品及沥青-水分含量测定法-蒸馏法

To reduce(petroleum) to simpler compounds by cracking.

分馏，裂解通过挤压使（石油）变成更简单的化合物