fractional distillation

Dynamic model of intermittent fractional distillation device of light hydrocarbon from oil field

油田轻烃间歇分馏过程的动态模型

Fractional distillation of petroleum is carried on in a still .

石油的分馏在蒸馏器内进行。

Effect of Cold and Hot Reflex on Industrial Fractional Distillation

冷、热回流在生产上对精馏的影响

Let 's say you 're doing a fractional distillation of some sort .

可以说我们是在，做某种分馏。

Corrosion Resistant Design of a Coking Fractional Distillation Column

焦化分馏塔的防腐蚀设计

The Adjustment of Unsteady State Processes in Fractional Distillation

酒精精馏不稳定过程的调节

Determining Migration Pathway of Low Maturity Oil from Fractional Distillation of Neutral Nitrogen Compounds

以中性含氮化合物的分馏作用确定低熟油运移路径

Mathematical analysis on the refrigeratory system and fractional distillation system of the plant provides a basis for plant design .

文中对产冷、精馏系统进行了数学分析，为机组设计提供了理论依据。

It can be separated from each other by ordinary fractional distillation .

两者通过普通的分馏彼此分离。

An apparatus for the fractional distillation of ethanol from fermentation on an industrial scale .

规模生产从氨基酸发酵中分馏蒸馏乙醇的装置。

A mole analysis of the separator liquid and gas samples is obtained usually by means a fractional distillation column .

通常我们可以通过分裂蒸馏塔，对分离液、气进行摩尔比分析。

Pure distilled water is the origin of life . Fractional distillation of petroleum is carried on in a still .

纯正蒸馏水，生命之源。石油的分馏在蒸馏器内进行。

Arsenic removal tests by means of oxidation and HCl extraction as well as fractional distillation were carried out .

开展了氧化除砷及盐酸萃取除砷和精馏净化的试验；

It is not always easy to separate a mixture of liquids into pure substances by fractional distillation .

用馏分蒸馏法把液体的混合物分成纯物质，不总是轻而易举的事。

Mole yield of product over 85 % , after fractional distillation , the purity of the product ≥ 95 % .

产品摩尔收率>85%，产品经减压分馏后纯度>95%。

In your fractional distillation condenser .

或在分馏冷凝器。

The main method of separation used in refineries is fractional distillation , although further processing is normally required to produce marketable petroleum products .

分离石油主要采用的方法就是分馏，然后通过深加工才能得到可以销售的石油产品。

The high-purity SCN is obtained by vacuum fractional distillation and its purity is determined accurately through measuring the triple point .

采用真空精馏的方法对丁二腈进行了提纯，并通过测量三相点温度准确确定了其纯度。

The procedure of chloride ion determination and its technical parameters by means of fractional distillation mercuric nitrate complexometry were presented with theoretical calculation and experimental research .

通过对蒸馏法分离氯离子工作参数和硝酸汞配位滴定法测定氯技术的理论计算与实验研究，提出了对氯离子蒸馏分离装置的技术参数与测定方法的操作步骤。

The article describes a new PSA ( Pressure Swing Adsorption ) gas separation process for removing and retrieving the valuable components from PVC fractional distillation tail gas .

主要介绍了变压吸附气体分离技术治理PVC分馏尾气并回收其中有效组分的新工艺。

Fractions containing 56 ~ 72 % 3-carene were recovered by two-stage fractional distillation of Chinese wood and sulfate turpentines .

用两步法分馏中国木松节油和硫酸盐松节油回收到3-蒈烯含量达56～72%的几种馏分。

The Pb , S isotopic study shows that the mass migration and the fractional distillation of Pb isotope took place in the whole rock and in the cement .

铅、硫同位素研究认为从全岩到胶结物，铅同位素发生了质量迁移和分馏作用；

The main genesis of heterogeneous crude is migration and fractional distillation of low mature crude , mixing of crude , thickening by edge water , and thickening by bottom water .

影响原油非均质性的主要成因类型有低熟原油的运移分馏作用、原油混合作用、边水改造稠变作用和底水改造稠变作用等。

The experimental results show that the enhancement in sensitivity and accuracy by adding barium salts was mainly due to strengthening the fractional distillation and the impurities at trace level in carbon electrode hole were concentrated and protected .

实验结果表明，钡盐能提高灵敏度和准确度，主要是由于增强了分馏效应，对痕迹杂质起了浓缩和保护的作用。

Through the parallel analysis of water quality , toxicity and biochemical performance , the result showed that the biochemical performance of the treated wastewater was obviously improved and thus , the fractional distillation and calcium ion steam stripping method for adjustment and control biochemical performance were feasible .

这两种针对高浓度有机氰废水研究开发的糖馏法、Ca~（2+）～汽提法可生化性调控工艺对改善废水的生化性能是切实可行的。