沥青

Natural asphalt exploited from here is of quality materials for making high quality oil paint.

这儿的天然沥青是制造高级油漆的好材料。

The results showed that the suitable way of separating bitumen from Indonesia oil sand was solvent extraction.

分析结果表明，从印尼油砂中分离稠油沥青适用的方法是溶剂抽提工艺。

After more than 20 years of development, the annual output of heavy oil, tar sand increased to nearly 100 million tons by 20 million tons.

经过20余年的发展，重油、沥青砂的年产量由2000万吨上升到近亿吨。

The sources distribution and properties of Orinoco bitumen are introduced, and the characteristics of its emulsible oil is also presented.

奥里油是以Orinoco沥青为原料，加入29%～30%的水和0.2%～0.5%乳化稳定剂乳化而成的一种乳化燃料，英文商品名为Orimulsion。

All round this they had cleared a wide space, and then the thing was completed by a paling six feet high, without door or opening, too strong to pull down without time and labour, and too open to shelter the besiegers.

沥青在船板缝里热得冒着泡；这地方的一股恶臭熏得我直要呕吐；要说有谁闻到过热病或痢疾的气味，那一定是在这个可恶的锚地了。

mechanisms of paraffin deposition in oil production wells, mechanisms of paraffin depositing inhibitors

在原油开采过程中，蜡的沉积物除含有上述烷烃外，还含有不等量的胶质、沥青

In this paper, the digital control system for the traveling system of an asphalt concrete paver is researched.

本文对沥青混凝土摊铺机行驶系统数字控制系统进行了研究。

Specially formulated asphalt , concrete or paver s can be used.

特别调制的沥青、混凝土或铺路材料也可以使用。

The current situation of paving asphalt production and market in our country is reviewed ,and some suggestions concerned are made in this paper.

简要介绍了我国道路沥青的生产现状与市场态势，并对今后发展提出了几点建议。

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。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。