any of the relatively dense hydrocarbons (denser than water) derived from petroleum, coal tar, and similar materials
重油。
n. 重油
Purpose To improve heavy oil thermal recovery.
目的改善稠油热采开发效果。
The heavy oil is the important resource of 21 century.
稠油将是21世纪的重要资源。
Deep processing of heavy oil is an important route in refinery.
提高重质油深加工是炼油厂挖潜增效的重要途径。
The spatial distribution of heavy oil domain in Eurasia is studied.
研究了稠油在欧亚大陆含油区的空间分布特点。
It is a rich, heavy oil that is best blended with other carrier oils.
这是一个丰富,重油,认为这是最混纺与其他承运人的油。
重油是原油提取汽油、柴油后的剩余重质油,其特点是分子量大、黏度高。重油的比重一般在0.82~0.95,比热在10,000~11,000kcal/kg左右。其成分主要是碳氢化合物,另外含有部分的(约0.1~4%)的硫黄及微量的无机化合物。重油主要用于大型蒸汽轮机锅炉及中大型船舶用引擎的燃油,不过由于现在大功率燃气轮机的出现,以及重油燃烧对环境的污染,现在重油锅炉几乎被淘汰了。重油还可以用作现代大型燃煤锅炉的启动点火燃料。
any of the relatively dense hydrocarbons (denser than water) derived from petroleum, coal tar, and similar materials
重油。