asphaltene

asphaltene的英语例句

1. During petroleum thermal conversion, asphaltene yields coke via the second liquid phase and the carbonaceous mesophase.

   在石油热转化过程中, 沥青质经由第二液相和碳质中间相转化为焦.

2. The structure characters of asphaltene fraction in the Shenhua coal direct liquefaction residue were studied.

   对神华煤直接液化残渣的己烷不溶苯可溶物―沥青烯组分―进行了分子结构特性的研究.

3. Asphaltene plugging is an important cause of reducing well flow capacity.

   油田开发过程中沥青堵塞是引起油井产能下降的一个重要原因.