The onset velocity was an important parameter that affected the normal operation of the gas liquid solid outer circulating fluidized bed.
本文利用流化床内压降随表观液速的变化阈值来确定流化床的起始外循环流化速度。
The relationship between the onset of CVD and meteorological factors including temperature, air pressure, relative humidity, wind velocity was analyzed by circular distribution analysis,.
圆分布分析脑血管病发病的季节规律；直线相关、多元逐步回归分析气象因素与脑血管病发病之间的关系。
The relationship between the onset of CVD and meteorological factors including temperature, air pressure, relative humidity, wind velocity was analyzed by circular distribution analysis,.
圆分布分析脑血管病发病的季节规律；直线相关、多元逐步回归分析气象因素与脑血管病发病之间的关系。
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