临界水力比降
critical hydraulic gradient
氨气和氮气气氛下热处理
annealing in ammonia and nitrogen
北京大学天气学；动力气象事业
Faculty of Synoptic and Dynamic Meteorology
peking university
比气化速率
specific gasification rate
变换气气提法尿素
shift gas stripping method urea
不凝气体充气比
non condensable gas filling ratio
超重力气体分离
air separation in high gravity
充气降氡
Radon-reduction by Adding Pressure
纯氧水蒸气气化
oxygen-steam gasification