渣油

A method for the determination of residual pentane content in de-oiled asphalt of Liaohe heavy crude vacuum residuum was studied by using static headspace gas chromatography. The effects of gas-liquid phase ratio, equilibrium time and equilibrium temperature on headspace analysis were investigated.

采用静态顶空气相色谱法测定辽河稠油减压渣油高软化点脱油沥青中戊烷的含量，确定了色谱的测定条件，研究了气液相比、平衡时间、平衡温度等因素对定量分析的影响。

Coal tar pitch and petroleum pitch were prepared from petroleum residues and coal tar by air blowing respectively.

分别以煤焦油为原料在300℃空气氧化120min～480min和以石油渣油为原料在220℃空气氧化300 min～720 min，制备了一系列具有相近软化点的煤焦油沥青和石油沥青。

Coal tar pitch and petroleum pitch were prepared from petroleum residues and coal tar by thermal reactions respectively.

分别以煤焦油为原料，在430℃热缩聚50min～270min和以石油渣油为原料在 310℃热缩聚130 min～370 min，制备了一系列具有相近软化点的煤焦油沥青和石油沥青。

Results indicated that the addition of these two fractions in atmospheric residue exhibited negative effect on the colloidal stability of residue system, and the negative effect of adding FCC slurry oil was stronger.

结果表明，加入两种油品后，体系的稳定性均呈下降趋势；不同油品对渣油胶体稳定性的影响程度不同，加入减四线抽出油后体系的稳定性比加入催化裂化油浆时高。

It also points out that the application of this group technology has enhanced enterprises' processing capacity of inferior residuum,has improved product structure and has enhanced enterprises' economic benefit at the same time.

该组合工艺的应用提高了企业的劣质渣油加工能力，改善了产品结构，提高了企业的经济效益。

The present invention discloses a carbon monoxide conversion process for preparing synthetic ammonia by using coal or residuum as raw material.

本发明公开了一种以煤或渣油为原料制备合成氨的一氧化碳变换工艺。

This article also introduced carries on the clean experiment with the laser, including escapes the paint, the stain removal, to eliminate the pollutant and the oxide compound goes to the adhesive residuum and the oil wu and so on.

本文还介绍了进行清洁激光实验，其中包括逃逸的油漆，在染色清除，消除污染物和氧化氮化合物去胶粘剂渣油和石油吴等。

The yield of bright stock is 16.38%, and its characteristics are high solidifying point, low viscosity and high CP%.

因此，青海混合原油常压渣油是生产轻质燃料和优质润滑油的理想原料。

Based on discussion of design rules,design basis and scheme arrangement,the techno economic...

在对总流程的设计原则、设计基础及流程安排要点论述的基础上计算出各方案的经济技术指标，并结合实际情况建议采用渣油加氢方案

On the one hand, the effect of vanadium on A3 steel in high-sulfur residual oil system; on the other hand, the corrosion behaviors of A3 steel with/without-aluminizing layer in the molten vanadate.

一方面，研究了在高硫渣油系统中钒对A_3钢腐蚀行为的影响；另一方面，探讨了在熔融钒化物(V_2O_5-Na_2SO_4)介质中，A_3钢及其表面渗铝层的腐蚀行为。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失