许多分离过程是通过蒸馏进行的，但蒸馏在炼油厂中的最重要和主要的功能则是它在将原油分离成不同馏分过程中的作用。
A multitude of separations are accomplished by distillation, but its most important and primary function in the refinery is its use for the separation of crude oil into component fractions.
在真沸点蒸馏过程中，对规定温度范围内所收集的馏分可加以回收。
During the course of the TBP distillation, the distillates which accumulate between specified temperatures are withdrawn.
氩的生产使用空气分离装置(asu)，通过大气的液化和连续低温蒸馏分离出氩。
Argon is produced by an air separation unit (ASU) through the liquefaction of atmospheric air and separation of the argon by continuous cryogenic distillation.
许多分离过程是通过蒸馏进行的，但蒸馏在炼油厂中的最重要和主要的功能则是它在将原油分离成不同馏分过程中的作用。
Nevertheless, distillation has remained a major refinery process and a process to which just about every crude that enters the refinery is subjected.
在空气分离工厂，通过空气液化和蒸馏分离出氮。接着氮作为低温液体回收。
Nitrogen is produced at air separation plants by liquefaction of atmospheric air and separation of the nitrogen by distillation. The nitrogen is then recovered as a cryogenic liquid.
在早期的工作中，产物是靠蒸馏分离。
In the early work, separation of the products depended on distillation.
分离易挥发的化学物质的蒸馏法，其中生成物被收集在一系列单独的馏分里，每种馏分的沸点都比未分馏前高。
Distillation to separate volatile chemical substances in which the products are collected in a series of separate fractions, each with a higher boiling point than the previous fraction.
催化裂化C4 +馏分中的丁二烯选择性加氢和该馏分蒸馏分离同时进行以生产丁烯的一种过程。
A process in which the selective hydrogenation of butadiene in FCC C4 + fraction and the distillation separation of the fraction take place concurrently to produce butylene.
本文用生物样品与有机溶剂共沸蒸馏分离法对秦山核电厂附近秦山上松针中组织自由水氚进行测量。
Tissue Free Water(TFW)of pine needles is separated out through azeotropic distillation of pine needles and toluene, Recovery ratio of TFW is 90%.
用于在柴油机内部燃烧的燃料，一般是在煤油以后蒸馏出来的馏分，与瓦斯油类似。
Fuel used for internal combustion in diesel engines; usually that fraction which distills after kerosene; similar to gas oil.
催化反应和蒸馏分离同时进行的一种过程。
A process in which the catalytic reaction and distillation separation take place concurrently.
在空气分离工厂、或者通过空气液化和蒸馏分离出氮，或者通过吸附过程生产氮。
Nitrogen is produced at air separation plants either by liquefaction of atmospheric air and separation of the nitrogen by distillation or by adsorption processes.
设备蒸馏分离效率高，维修简便，操作灵活，是一款您理想的选择材料。
It features high distillation efficiency, simple maintenance, flexible operation, your best choice.
过程蒸馏分析仪可按以下标题分类。
Process distillation analysers may be classified under the following headings.
原油蒸馏装置减压塔进料段结构与减压馏分油的质量密切相关。
The quality of vacuum distillates is closely related to the configuration of feeding part of the vacuum tower for crude distillation.
本文提出了一种从镏分恩氏蒸馏数据和总体密度对石油馏分进行假组分切割和物性估算的方法。
A characterization approach for petroleum fractions based on the ASTM distillation data and the overall density has been proposed.
该方法用显式关联直接将恩氏蒸馏数据转换成实沸点蒸馏数据和计算出馏分的中平均沸点，然后用积分法切割假组分。
The ASTM data was treated to produce the TBP data and the mean average boiling point by explicit correlations and then the pseudo-components were cut by using the integral method.
研究分子蒸馏技术纯化八角精油的工艺条件，利用GC-MS对精油及分离纯化的馏分进行化学组成分析。
The technology of molecular-distillation(MD) for purifying star anise essential oil was researched, and chemical constitutions of essential oil and distilled substance were analyzed by GC-MS.
对分子蒸馏分离烟草提取物的溶剂进行了研究。利用正交试验设计研究了影响溶剂萃取的各种因素，并确定了较合理的萃取条件。
The orthogonal test was used to study the different factors that influence the solvent extraction of tobacco, and then the optimum testing conditions of extraction were determined.
这种产品是用蒸馏分离出汽油和粗柴油。
The product is separated by distillation into gasoline and gas oil.
然而，有效馏分的提取会使减压操作处境变得困难，也使塔底物料中蒸馏出更多的产品变得更加困难。
However, vacuum column operations present an arduous environment for efficient fractionation, which makes upgrading product from bottoms to distillate more difficult.
在空气分离工厂，通过空气液化和蒸馏分离出氮。
Nitrogen is produced at air separation plants by liquefaction of atmospheric air and separation of the nitrogen by distillation.
这种产品是用蒸馏分离出气油和粗柴油。
The product is separated by distillation into gasoline and gas oil.
这种产品是用蒸馏分离出气油和粗柴油。
Thee product is separated by distillation into gasoline and gas oil.
本发明提供的是一种超声萃取蒸馏分离苯―环己烷及苯―正庚烷物系的方法。
The invention provides a method in separating benzene from cyclohexane and from heptane by ultrasonic extractive distillation, comprising steps as ultrasonic processing and extractive distillation.
对于过滤后得到的滤液及洗涤结晶体后得到的洗液，可以分别经过蒸馏分离，得到可以再次使用的溶剂和洗涤剂以及含砷量高的余量黄磷。
The resultant filtrate and washing liquid are distilled and separated separately to obtain solvent and washing agent as well as yellow phosphorus with high arsenic content for reuse.
讨论了几个典型的反应蒸馏分离流程，指出了该技术的应用范围并分析了该分离过程的主要影响因素。
Some typical processes are discussed. The scope of applications and major influential factors of the technology are also given.
一种表没食子儿茶素没食子酸酯的分离制备工艺，包括对茶多酚的HPLC分离、馏分截取、膜蒸馏浓缩等。
The separating preparation process of epigallocatechin gallate includes HPLC separation of tea polyphenol, fraction interception, membrane distillation and concentration, etc.
煤焦油经管式炉蒸馏后，酚油，洗油和萘油馏分组成的三混馏分再经过洗涤后获得。
Distill coal tar in a tube furnace to generate 3 mix oil , and obtain crude phenol from washed 3 mix oil .
煤焦油经管式炉蒸馏后，酚油，洗油和萘油馏分组成的三混馏分再经过洗涤后获得。
Distill coal tar in a tube furnace to generate 3 mix oil , and obtain crude phenol from washed 3 mix oil .
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