给出了Alberta4种沥青质和ColdLake瓦斯油的结构基团分析结果.The results for Alberta asphaltenes and Cold Lake gas oil are presented.封氮储存可明显抑制沥青质的增长.The presence of nitrogen inhibits the increase of asphaltenes in slurry oil.三沥青矿原油: 指自沥青质矿物提出之原...
In the evening of his life he traveled from place to place.在晚年他到处旅游.She went from place to place, and dug and weeded.她到处走, 又挖土,又锄草.Larry and Andy had drifted from place to place, worked at this and that.拉里和安迪从一处漂泊到另一处,干点...