natural bitumen的例句大全

In order to evaluate the contribution of natural bitumen to bitumen pavement the performances of modified bitumen and its mixture are tested in laboratory, and an experimental natural bitumen road is paved.

为评价北美岩沥青的性能及其对沥青路面的改性效果，对改性沥青及沥青混合料进行了室内性能试验，并铺设了试验路。

The article introduced the category of natural bitumen and the characteristic of gilsonite.

介绍了天然沥青的种类与天然岩沥青的特点.

Study on Structure and Composition of Natural Bitumen in Different Genesis

不同成因天然沥青的结构组成特征研究

The Influence of High Pressure on the Structural and Compositional Evolution of Natural Bitumen

高压对天然沥青结构组成演变的影响

Study on the performance and application of natural bitumen UINTAHITE

北美岩沥青应用性能研究

The anti-collapse additive KFT-1 is mainly composed of natural bitumen, and modified with cationic polymers.

介绍了一种非水溶性改性沥青防塌剂KFT-1，KFT-1中沥青含量高，油溶性成分高，它以新疆天然沥青为原料，通过阳离子聚合物改性而成。

Thermal pyrolysis of Daqing thermal tar and Xinjiang natural bitumen at various tempertures were studied with the purpose of investigating the mesophase transformation.

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。

Abstract The reliability of natural bitumen reflectance ( R OB) as a maturity index of carbonate strata is always a controversial issue which has not been settled completely.

天然沥青反射率（ROB）作为碳酸盐地层成熟度指标的可靠性是一直在探索而又未完全解决的重要问题。

A natural black bitumen used in the manufacture of acid, alkali, and waterproof coatings.

一种玻璃状的热塑性塑料,能塑能铸, 亦可用作涂料和粘合剂.

A trademark useda natural black bitumen employed in the manufacture of acid, alkali, and waterproof coatings.

一种晶状脂肪酸, 作为甘油脂天然脂肪和油脂(尤其是椰子油和棕榈仁油)中.