沥青质

An effective method for determination of asphaltene content in oils is reported.

介绍了一种用分光光度法测定油品中的沥青质含量的方法。

The calculation results show that the predicted values of onset of asphaltene precipitation agree with the experimental data.

计算结果表明，沥青质沉淀点的计算值与实验数据基本相符，但沉淀量计算结果尚不能令人满意。

The reduction impact of asphaltene in petroleum was studied after the desulphurization process.

考察了SbSn脱硫过程之后石油中沥青质含量的变化。

Treatment with the methods of this invention reduces asphaltene deposits and sludges.

用本发明方法处理会减少沥青质的沉降物和淤渣。

The results show that the interfacial tension of polymer solution/asphaltene model oil increases because of the existence of polymer.

用挂片法和双锥摆法测定了聚合物溶液／沥青质模拟油体系的界面张力和界面剪切粘度，并对聚合物浓度对其的影响进行了分析。

There is also a large amount of was in oil sand extraction, with little nonhydrocarbon and asphaltene.

4桥口-白庙地区原油及油砂抽提物饱和烃含量高，一般都在80％以上，并且油砂抽提物中含有大量蜡，非烃与沥青质含量低。

Metallic copper must not contact with NSO fraction and/or asphaltene in the process of sulfur removal.

铜和沥青质的相互作用则在两种溶剂中均产生了大量的脂肪酸，同样在氯仿中的生成量较大，实验结果指出了加铜后样品非烃较多脂肪酸的来源。

It is shown that:(1)asphaltene is the main factor influencing the viscosity of the system.

胶体稳定性越高，沥青质越不容易从稠油分散体系中聚集沉淀。

It is not found the aging phenomena of the films between resin model oil and water.

高升稠油的胶质对其沥青质模型油油水界面性质影响较大。

The results show that with the increase of operation severity, the content of the distillate heavier than 550℃ and the resin and asphaltene in the oil slurry are decreased obviously.

结果表明，随着操作苛刻度的提高，油浆中的馏分呈现出中间馏分增加，两端馏分降低的变化趋势，并且油浆中大于550℃馏分的含量明显减少，油浆中的胶质、沥青质含量减少。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。