地堑成为铀矿沉积的有利部位.A graben creates a favourable setting for uranium deposition.这些矿体与沉积的主要方向一致.These deposits parallel to the main direction of sedimentation.三角洲分流中沉积的河流砂是石英质的.Fluviatile sands deposited by delta distributarie...
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.Colour stability of coker gas oil has been improved by DMF extraction.以物质A为反应物,白土为脱色物质,研究用反应-吸附的方法提高焦化柴油的质量.A coking gas oil was treated by clay refining processs in laboratory.在这道门里, 焦化和...
The Swiss wanted to discourage an inflow of foreign money.瑞士人想要阻止外资流入。Many parents find it hard to discourage bad behaviour.很多父母觉得要孩子循规蹈矩是件很难的事情。His parents tried to discourage his interest in music, but he persisted.他的父...