Colour stability of coker gas oil has been improved by DMF extraction.以二甲基亚砜为萃取溶剂,用溶剂萃取的方法提高焦化柴油的颜色安定性.The coker gas oil was refined by benzyl alcohol extraction.以苄醇为溶剂,用萃取方法提高了焦化柴油的质量.Tell Colonel Coker, I am investigat...
她赢得了一笔拨款,用以扩展自己的企业。She won a grant to develop her own business.各自然科学学科可能都得不到任何拨款。Whole branches of science may not receive any grants.法国总统许诺为法国明年的援助经费拨款1.5亿美元。The French President is pledging $150 million in French aid n...