石油沥青是通过石油精炼得到。
从石油沥青和煤沥青中制取沥青中间相物质。
A pitch mesophase can be prepared from petroleum pitch and coal tar pitch.
从石油沥青和煤沥青中制取沥青中间相物质。
A pitch mesophase can be prepared from petroleum pitch andcoal tar pitch.
石油沥青色黑而有光泽，具有较高的感温性。
Petroleum pitch dark and luster, has higher heat resistance.
介绍了这种单组分石油沥青聚氨酯防水涂料的性能。
The properties of the one component asphalt based polyurethane waterproof coatings were introduced.
目的研究制订车间空气中石油沥青(烟)卫生标准。
Objective To study and work out hygienic standard of petroleum asphalt fume in the air of workplace.
《石油沥青纸胎油毡》国家标准进行了第三次修订。
The third revision of National Standard《paper base asphalt felt》was done.
其次要利用好我国可以用于制取优质石油沥青的三种资源。
The next is to make good use of three kinds resources of asphalt produced in China.
顽固污渍、油漆或石油沥青等可以用松脂或油漆稀释剂除去。
Stubborn stains, paint or petroleum asphalt can be removed with turpentine or paint thinner.
石油焦、石油沥青及其他石油或从沥青矿物提取的油类的残渣。
Petroleum coke, petroleum bitumen and other residues of petroleum oils or of oils obtained from bituminous minerals.
认为石油沥青经过改性后制备浸渍剂沥青符合环保和经济性要求。
It is in keeping with the requirement of environmental protection and economic efficiency to produce impregnating pitch from petroleum bitumen modified.
认为石油沥青经过改性后制备浸渍剂沥青符合环保和经济性要求。
It is in keeping with the requirement of environmental protection and economic efficiency to produce impregnating...
采用毛细管粘度计考察了稳定剂对石油沥青质溶液粘度性质的影响。
The effect of stabilizers on viscosity behavior of petroleum asphaltene solutions was studied with a capillary tube viscosimeter.
对沥青质吸附行为有个全面的了解，才能更好地认识石油沥青质吸附过程。
To under - stand better the adsorption progress of petroleum asphaltene must see the whole adsorption behavior of asphaltene.
涂料适用于石油沥青类涂层管道大修或补口，也可作为新的涂料产品应用。
The paint is suitable for pipeline repair which coated with old petroleum pitch. It is also used as new paint.
为此，采用室内人工加速试验方法，研究了石油沥青涂层的老化过程和规律。
The ageing process and regularity of the asphalt coating have been studied with indoor artificial accelerated ageing test.
主要介绍了石油沥青水煤浆添加剂的制备和在煤中掺入石油沥青的制浆性能。
This article mainly introduces the preparation of petroleum pitch coal additive agent and the slurring ability of coal on adding petroleum pitch.
通过对榕山—佛荫输气管道进行智能检测发现，管道石油沥青防腐层损坏严重。
The intelligent pigging exposed that the asphalt coating deteriorated to a great extent in Rongshan-Foyin gas transmission pipeline.
石油沥青薄膜烘箱试验是重交通道路石油沥青和道路石油沥青的重要检测项目之一。
Asphalt Thin Film Oven Test Method is an important inspection item of heavy traffic paving asphalt and paving asphalt.
该洗涤剂是以柴油为溶剂，以石油沥青为溶质，按浓度1―15％的比例制成混合液。
Said detergent is a mixed solution made up by using diesel oil as solvent, petroleum asphalt as solute and mixing them in 1-15% of concentration ratio.
结果表明，空气氧化和氮气热缩聚可提高石油沥青的软化点、焦产率和正庚烷不溶物含量。
The results showed that both methods of air blowing and thermal polycondensation in the presence of nitrogen raised the asphalt softening points, and increased coke yields and heptane insolubles.
沥青组分试验表明，跟普通石油沥青相比，该种岩沥青的沥青质含量很高而胶质含量较低。
Group analysis of asphalt in BRA suggests that the content of the asphaltine is very high but the pectin content is lower compared with common oil asphalt.
液化剂能提高聚氨酯、石油沥青、无机填料的相容性，降低防水材料的成本，提高产品性能。
Said liquefying agent can raise compatibility of polyurethane, asphalt and inorganic filler, can reduce cost of water-proofing material and can raise product performance.
石油沥青纸胎油毡生产过程中，填充料加入量的多少会直接影响到油毡产品的各项物理性能。
In productive process of paper based asphalt felt, the amount of filling material added has direct effect on physical properties of final products.
再生后沥青性质完全满足重交通道路石油沥青质量标准(GB50092- 96)的要求。
The quality of regenerated asphalt can reach requirement of the traffic road quality standard of petroleum asphalt (GB50092-96).
结果根据国内外文献资料结合现场调查以及毒理学实验研究，制订了石油沥青（烟）卫生标准。
Results According to the information at home and abroad and the research and the study result of toxicologic experiments, hygienic standard was drawn.
指出以生产石油沥青和工业萘为主，副产混合甲基萘等馏分，是综合利用裂解焦油的重要途径之一。
It is pointed out that to produce petro - asphalt and industrial naphthalene as main products and mixed methyl naphthalene fractions as by -product is one of important ways to utilize pyrolysis tar.
本发明结构简单，改装方便，不仅适用于各种石油沥青和煤沥青，也适用于其它液状物质的循环与加热。
The invention features simple structure and convenient adaptation, and is suitable for circulating and heating various petroleum and coal asphalts and other liquid materials.
试验证明，国产重交通道路石油沥青无论是从原样沥青还是从沥青混合料来看，其品质都不比进口沥青差。
Whether original asphalt or bituminous mixture, test findings proved that homemade heavy traffic asphalt was as good as import asphalt.
使用炭黑作为石油沥青的加固剂的研究，国外自1962年以来一直进展着，但是直到现在仍是一个研究课题。
The research on using carbon black as an additive for asphalt has been progressing since 1962, but it is still a program for research up-to-date.
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