查询词典 asphaltene

The paper also presents the calculation technique of reference fugacity,and the matching method to saturation pressure and amount of precipitated asphaltene through the example shown in the paper.

结合实例计算，给出了沥青质参考逸度的计算、饱和压力和沥青沉降量的拟合方法。

The inhibit-efficiency of inhibiter can access 79.2％ when the quantity is 1000 ppm, so it can resolve the question of asphaltene-deposition.

抑制剂加量为1000ppm时，抑制率能达到79.2％，能有效的解决原油中胶质沥青质的沉淀问题。

The effect of coconut amine on the viscosity and stability of residue asphaltene system was studied and the change in viscosity and colloid stability with coconut amine content was discussed briefly.

考察了表面活性剂椰子胺对石油沥青质体系粘度和胶体稳定性的影响，初步探讨了粘度和胶体稳定性随椰子胺质量分数变化的原因。

The onset of asphaltene precipitation was corresponding to the maxmum of the mass fraction conductivity for the residue/n-heptane system.

渣油中沥青质的缔合、聚沉给重油深加工带来了严重的负面效应，渣油的胶体稳定性研究日显重要。

A combinational PPD, SL2, is devdoped, comprising 2 EVA polymers, a high molar mass polymer of long chain alkyl acrylate, a tercopolymer with strong polar functionalities, and a resin/asphaltene modificator.

研制了由2种EVA、一种高分子量聚丙烯酸高级醇酯、一种具强极性基的三元共聚物及胶质沥青质改性剂组成的复配降凝剂SL2。

The process for producing heavy traffic paving asphalt and polymer modified paving asphalt from Tahe crude oil with high asphaltene content was presented,and the paving performance evaluation of these asphalts was also studied.

提出了以高沥青质的塔河原油生产重交通道路沥青和聚合物改性道路沥青的制备工艺，并对产品进行了路用性能评价。

The research on coking during the pyrolysis of coal to acetylene in the plasma (1) In the arc plasma jet, different kind of coal has different coking character. The aromatics, colloids, asphaltene and Carbenes are the precursors of the cokes.(2) The mostly reasons of coking in the plasma reaction equipment are the particle size, the feeding velocity, the power of plasma and the structure of equipment.

五、煤等离子体热解制乙炔装置结焦性研究的结果(1)在电弧等离子体射流的条件下，煤种的结焦能力不同，煤中的芳香分、胶质、沥青质和碳青质是结焦前驱体。

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。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。