fractionation

The Gas Fractionation Unit is one of the typical equipment in refining and chemical industry. It is a classic distillation process.

气体分馏装置是炼油化工行业一个具有代表性的装置，它具有典型的精密分馏过程。

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Objective To study the longterm efficacy of the late course accelerated fractionation radiotherapy for esophageal carcinoma.

目的探讨后程加速超分割放射治疗食管癌的长期疗效及放射反应和并发症.

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Methods: Inspection use different resin to tan shin in water-soluble ingredient fractionation by adsorption effect.

方法: 考察利用不同树脂对丹参中 水溶性 成分的吸附分离效果.

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In the following primary migration simulation deuterated normal C_ ( 15)( n-C_ ( 15) D_ ( 32)) was added into different source rocks to study the isotopic fractionation in primary migration.

下面的初次运移模拟实验通过在源岩中加入氘代的正构十五烷（n-C15D32）来研究初次运移中的同位素分馏。

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This change does not disturb isotopic fractionation andthethe stalagmite able to keep environment information.

转化作用不影响同位素分馏,石笋同时全面记录古气候环境信息.

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Products Quality Coordinated Control of Main Fractionation Tower in Catalytic Cracker

催化裂化装置主分馏塔产品质量协调控制

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The techniques include toxicant separation, toxicant concentration, sample fractionation, instrumental analyses, toxicity tracking, correlation ect.

包括毒物的分离 、 浓缩 、 样品分级, 仪器分析, 毒性追踪, 相关性等技术.

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Objective To evaluate the clinical efficacy of course accelerated fractionation radiotherapy for esophageal carcinoma.

目的探讨后程加速超分割放射治疗食管癌的临床疗效.

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A summary is give on technical measures adopted to prevent coking in the reaction system and fractionation system of FCC unit for the revamping project of the second FCC unit in Yanshan Petrochemical Company, whose objective is to increase residue blending ratio.

介绍了北京燕山石油化工公司Ⅱ套催化裂化装置在提高渣油掺炼率的改造中所采取的防止反应系统和分馏系统结焦的技术措施，并提出了进一步减少结焦的建议。

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The catalysis of enzymes causes much more complexity for the isotopic fractionation under microbial actions.

辅酶对反应的催化作用使微生物作用造成的同位素分馏更加复杂.

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This is known as vacuum fractionation.

这就是所谓的真空分馏.

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Based on the studies of meteorites, the authors introduce the formation and evolution of the solar system, including condensation, heating and alteration in the solar nebula, thermal metamorphism, igneous fractionation and shock metamorphism in parent bodies of meteorites.

通过对陨石的研究，说明太阳系的形成与演化历史，包括太阳星云的凝聚过程、高温加热熔融事件和低温蚀变过程，陨石母体的热变质作用、熔融分异作用以及冲击变质作用等。

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These early observations have been supplemented with results from chemical fractionation.

这些早期的观察曾为化学馏分的结果所增补.

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Field-flow fractionation is a kind of particle separation technology on the micrometer and nanometer scale.

本文从分离技术入手,着重阐述了场流分离技术的种类与应用.

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Mass Fractionation Correction of Osmium Isotopic Compositions in Negative Thermal Ionization Mass Spectrometric Measurement

负热电离质谱法测量Os同位素组成的质量分馏校正

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Cell fractionation The separation of the different constituents of the cell into homogenous fractions.

细胞(组分的)分级分离:将细胞中的不同组分依次分离成单一的组分.

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The Pb Contamination Assessment and Fractionation of the Topsoil in Lianyungang

连云港市城市表层土壤Pb污染评价与赋存形态

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The double lift pipe in a 800 kt/ a catalytic cracking unit, including reaction – regeneration fractionation, absorption – stablization, waste heat boiler and gasoline mercaptan removal, was remoulded.

中国石油锦西石化公司采用石油大学与华东设计院共同开发的双提升管催化裂化技术，对80万t/a催化裂化装置反应$C再生、分馏、吸收稳定、余热锅炉、汽油脱硫醇等部分进行改造。

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The isospin fractionation intermediate ion collisions is studied by using isospin dependence quantum molecular dynamics model.

利用同位旋相关的量子分子动力学模型研究了中能重离子碰撞中同位旋分馏过程.

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Fractionation of Soluble COD in Wastewater Based on Batch Respirometric Method

基于批式呼吸计量法的溶解性COD组分划分

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This simulates the fractionation of components across a semi-permeable membrane.

该 功能模拟 混合物流过半渗透膜后的分离情况.

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Why is this an important consideration in studies involving cell fractionation?

为什么在涉及细胞的分级分离时,这是一重要的考虑?

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Application of membrane filter press in dry fractionation of palm oil

隔膜压滤机在棕榈油干法分提中的应用

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These magmas were then subjected to shallow level gabbroic fractionation, which led to larger chemical variation.

它们经受了浅层辉长岩质分离作用, 化学变异较大.

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Soft Sensor Modeling Based on ISVM and Its Application in PX Fractionation

基于ISVM的软测量建模及其在PX生产中的应用研究

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A high performance random packing verified by tests conducted at Fractionation Research Institute ( FRI).

被美国蒸馏协会（FRI）的测试证实为高性能散堆填料。

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Graphic fractionation and its application based on quantitative research of desertification

图形分形理论在沙漠化定量研究中的应用

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The effects of fractionation are dependent on total doses and on fractionation procedures.

分次照射的效应取决于总计量和分次方法.

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Fractionation of arsenic in waste water samples by HPLC-hydride generation-dynamic reaction cell-inductively coupled plasma mass spectrometry

HPLC分离-氢化物发生-动态反应池-ICP/MS联用分析废水中砷形态

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In terms of pressure effect on hydrogen isotope fractionation in the rhyolitic melt-water system, the unusual variability in the δ D values and H2O contents of the Glass Creek rhyolites from western United States are successfully modeled in the course of magmatic degassing.

依据流纹岩熔体与水之间氢同位素分馏的压力效应，成功地模拟了美国西部Glass Creek流纹岩δD值和水含量变化规律与岩浆去气之间的关系。

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