氨气和氮气气氛下热处理
annealing in ammonia and nitrogen
标准大气条件
standard atmosphere condition
不利大气条件
adverse atmospheric condition
成气条件
Gas accumulation condition
成油气条件
oil and gas forming condition
减压氩气气氛火花放电等离子体
reduced-pressure argon spark discharge plasma
控气条件
condition of controlling coalbed methane
脉冲进气条件
pulsating inlet condition
普通大气条件
average atmospheric condition