轻组分

塔里木盆地重质原油形成过程中轻组分损失量估算

Estimation of light component losses during the formation of heavy crude oil in the Tarim Basin

如果能把轻组分中部分经济价值较高的有机原料分离出来，其一可以提高热解油的闪点，使其成为一种更为优质的燃料油；

If valuable organic raw materials could be separated from light component part , The first point is that it can improve flash point of pyrolysis oil and make it become a kind of more high-quality fuel oil ;

丁辛醇混合气中C2及较轻组分的气相色谱分析

Gas Chromatographic Analysis for C_2 and Light Heads in 2-EH Process Mixed Gas

轻组分中的有机吸附剂对PAHs和OCPs的富集能力比重组分无机矿物和无定型有机质高1~2个数量级。

The capacity of accumulating PAHs and OCPs of organic sorbents of low density fraction was 1 ~ 2 orders of magnitude higher than that of high density fraction .

利用本方法可将茚满合成产物中的轻组分顺利分开，所有组分的分离度均大于1.5，相对标准偏差（RSD）小于6%。

Using this analytical method the primary components of indene synthetic reaction are completely separated . The resolution of all components is more than 1.5 , RSD was less than 6 % .

生物通风技术（BV）是一种广泛应用于有机化合物污染包气带土壤的生物修复技术，可处理石油污染物中的轻组分和重组分，与SVE相比，尾气的处理成本也大大降低。

Bioventing ( BV ) is a widely applied bioremediation technology for removal of organic compounds from unsaturated soil . It can be used to treat light and heavy components of petroleum contamination and can reduce the cost of tail gas treatment comparing with Soil Vapor Extraction .

加剂原油轻组分挥发对低速剪切效应的影响

Influence of light component volatilization of depressant crude on low velocity shear effect

保留指数定性分析裂解汽油轻组分

Qualitative Analysis of Light Component of Splitting Decomposition Petrol Using Kovats Retention Indices

轻组分对胶凝原油启动特性影响的研究

Study on the Impact of Light Components on Startup Properties of Gelled Oil

恒回流比二元间歇精馏轻组分的极限浓度

Limiting concentration of light component in distillate of binary batch distillation under constant reflux ratio

轻组分和酚钠盐均返回苯酚、丙酮生产装置。

Light fraction and sodium phenolate can be returned to the production processes of phenol and acetone .

异丙醇精馏序列主要包括轻组分塔、共沸塔和精馏塔。

Isopropyl alcohol distillation sequences are mainly concluding the tower of light components , azeotropic tower and distillation .

族组成与烃分布发生了明显变化，轻组分增加，重组分减少；

Both group composition and hydrocarbon distribution changed a great deal : lighter composition increases and heavier one decreases ;

随着煤阶的降低，得到的无灰煤中轻组分含量增加；

With the coal rank reduced , the light component content of the ash-free ash obtained would be increased .

因其所蒸发的都是油料中的最轻组分且油气蒸发还严重影响成品油质量。

Since the vaporized fractions are the lightest ones , the quality of the product oil will be damaged also .

试验结果表明，原油含轻组分越多，热波传播速度越快，稳定高温层温度越低；含水率越高。

The higher the water content , the lower the heat wave rate and the higher the heat zone temperature .

两种控制方法以塔顶产品的液相轻组分浓度为被控变量，回流比为控制量。

In this paper , the controlled object is concentration of distillate , reflux ratio is selected as the manipulated variable .

研究结果表明，霍尔果斯地区原油轻组分与天然气有相似的地球化学特征，表现出腐殖型特征，原油的生物标志物的地化特征与白垩系烃源岩具有亲缘关系。

Through research it indicates that light component of crude oil has the same characteristics as natural gas with characteristics of humic-type .

通风前后土样的柴油烃组分分析表明，柴油污染土壤通风过程中不存在低碳链的轻组分优先从系统中去除现象。

The diesel composition analysis of soil samples showed that the lighter composition of diesel had the priority of removal during soil venting .

实验室采用两段加氢技术，将≤210℃的轻组分油加氢饱和制得优质芳烃溶剂油。

Via two-step hydrogenation , high quality aromatic hydrocarbon solvent oil by hydrogenate the light component under 210 ℃ to be saturation was gained .

通过举例计算检验了馏出液中轻组分极限浓度的数值计算方法的合理性。

The reasonableness of the numeric method for computing limiting concentration of light component in distillate is confirmed using the calculated results of the example .

关于石油轻组分对环境的污染问题相对研究较多，而针对稠油污染物的研究则较薄弱。

Study on the contaminants from light components of petroleum is active , while there are few literatures focused on the study of pollution from viscous oil .

由于俄罗斯原油轻组分含量高、硫含量高，部分装置要做必要的适应性改造。

A suitable reform of the plant should be made in order to meet the Russian crude petroleum that contains high level of light composition and sulphur .

介绍了采用恒回流比操作方法，在塔顶、塔板持液时，间歇精馏二元理想混合物，馏出液中轻组分极限浓度的数值计算方法。

A numeric method for computing limiting concentration of light component in the distillate of binary batch distillation under constant reflux ratio and hold-up in the column is introduced .

研究发现原油中溶有天然气等轻组分后，可以降低原油凝点和粘度，是实现原油常温输送有效途径之一。

It will be an effective method when the crude oil is dissolved with natural gas and some light components , then the freezing point and viscosity will be declined .

由模拟可知：进气组成中，轻组分越多，分配器出口的临界速度越大，流体的质量流量相应减少，摩尔流量增加；

By simulation , the more of light com-pound , and the larger critical velocity of distributor exit , the less of mass flow rate , and the larger of flow rate .

这归因于紫外光吸收剂的加入改变了沥青的化学组成，使沥青向溶胶态转变，沥青质在轻组分中得到了较好的溶解。

This can be ascribed to the changes of bitumen fractions affected by the UV absorbers . The asphaltenes are well dissolved by the light fractions and the bitumen tends to be sol .

研究了苏丹原油加剂时的处理温度、处理中的温升、原油含水量、处理过程中轻组分的挥发等因素对加剂处理效果的影响。

The influence of heating temperature , temperature increment during heating , and volatilization of light component in heating of Sudanese oil with the flow improver added on the treating effectiveness has been researched .

对于理想系统和与之相近系统，比值是指塔上部各板上各重组分分流量之比和塔下部各板上各轻组分分流量之比。

As to ideal systems and those close to ideal ones , these ratios refer to either ratios of molar flow rates of the heavy components or to those of the light components in various plates .

本文分析了中太平洋沉积物中的碎屑成分，探讨了其分布特点和物质来源。碎屑物成分主要由轻组分&钙质化石、硅质化石和钙十字沸石组成。中太平洋北部锰结核沉积化学的研究

In this paper , the detrital compositions in the central Pacific Ocean sediments were analyzed , and their distribution regularity and sources were discussed . THE STUDY OF SEDIMENTARY GEOCHEMISTRY OF MANGANESE NODULES IN THE NORTHERN PART OF THE CENTRAL PACIFIC OCEAN