中国是这种天然沥青的主要进口国之一。
路面铺的是天然沥青。
天然沥青储藏在地下，有的形成矿层或在地壳表面堆积。
Natural asphalt storage in underground, some forming seam or piled up in the earth's crust surface.
根据SBS改性沥青和天然沥青的特点，提出设计方法。
According to the characteristics of SBS modified asphalt and natural asphalt, the design method has been applied by the author.
北美岩沥青是一种优质的天然沥青材料，与传统的沥青混合料混合使用，可改善沥青路面的使用性能。
UINTAITE Mastic Asphalt is an excellent natural bituminous material, which can improve the performance of asphalt pavement when mixed with conventional asphalt mixture.
天然沥青Natural asphalt：天然沥青储藏在地下，有的形成矿层或在地壳表面堆积。
Natural asphalt storage in underground, some forming seam or piled up in the earth's crust surface.
通过对大庆热裂化渣油、新疆天然沥青两种典型试样在热转化时中间相转化过程的考察，初步探讨了中间相形成的一般规律。
Thermal pyrolysis of Daqing thermal tar and Xinjiang natural bitumen at various tempertures were studied with the purpose of investigating the mesophase transformation.
根据相关的温室气体排放，天然气的耗费量意味着每桶加州重油竭尽全力从加拿大沥青砂岩中提取材料。
The amount of gas used means that a barrel of Californian heavy oil gives the stuff from Canada's tar sands a run for its money in terms of associated greenhouse-gas emissions.
这种沥青大都经过天然蒸发、氧化，一般已不含有任何毒素。
The asphalt mostly through the natural evaporation and oxidation, generally do not contain any poison.
在试验研究的基础上，探讨了在限定级配下，由天然砂与石屑混合组成的细集料的棱角性(FAA)对沥青混合料体积性质、水敏感性的影响。
By experimental study, how the moisture susceptibility and volume property was influenced by the FAA value of mixed fine aggregate which includes natural sand and stone chips was discussed.
创建建筑环境过程中为了尽量减少沥青的用量，使用了天然材料。
Natural materials were used in order to minimize the amount of asphalt when creating building environment.
并用此知识于石油、天然气及有关的沥青勘探和开采。
And the use of this knowledge in exploration and recovery of oil. gas, and related bitumens.
运用气藏地球化学研究方法，对高科1井的天然气特征、储层沥青的生物标志化合物特征进行了研究。
The characteristics of natural gas and reservoir bitumen in well Gaoke 1 have been studied by using the geochemical method of gas reservoir.
碳氢化合物：一种有机化合物(例如乙炔或丁烷)，只包含碳和氢两种物质，通常出现在石油、天然气、煤炭和沥青中。
Hydrocarbon: an organic compound (as acetylene or butane) containing only carbon and hydrogen and often occurring in petroleum, natural gas, coal, and bitumens.
沥青含量与天然气产量、气藏规模及储层物性之间呈正相关关系。
The bitumen content is positively correlated with gas production, gas reservoir size and petrophysical property.
并且油气类型多，既有正常油、凝析油，又有稠油、沥青砂和天然气。
There are many kinds of hydrocarbon types, including the normal oil, condensate, heavy oil, tar sands and natural gas.
关于能源，除了石油和天然气，还包括煤、褐煤、铀、钍和沥青。
In the energy sector, excluding oil and gas, these include coal, lignite, uranium, and thorium and tar sands.
天然有机质及其与铀矿化的关系 天然有机质在地质体中常见者主要是腐植质、煤、泥炭、腐泥质、石油和沥青。
The nature and origin of organic substances in uranium deposits and the role that they plays in transporting and concentrating uranium are different from place to place.
天然有机质及其与铀矿化的关系 天然有机质在地质体中常见者主要是腐植质、煤、泥炭、腐泥质、石油和沥青。
The nature and origin of organic substances in uranium deposits and the role that they plays in transporting and concentrating uranium are different from place to place.
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