The boundary line between stability and instability is the dry adiabatic lapse rate line.
稳定的和不稳定的界限就是干的绝热垂直率线。
The freeze dry process biological pharmaceutical mainly applied to biological, biochemical products, traditional Chinese medicine injection products and thermal instability of antibiotic products.
目前冻干工艺生物制药中主要应用于生物、生化制品、中药注射剂制品和热不稳定的抗生素类制品的生产。
The upper level dry and cold air with high moist potential vorticity value was superposed to the low-level disturbance, which was advantageous to instability stratification strength and precipitation.
高空具有高湿位势涡度值的干冷空气叠加在低层扰动上，有利于不稳定层结的加强和降水发生。
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