The influence of air Relative Humidity and mass flow on dust generation rate was determined.
通过实验主要测定空气湿度和质量流量对粉尘产生率的影响。
Results:The mass loss rate was increased every period.
结果：试样体外降解的质量损耗率逐期增大；
This increase in the mass transfer rate is thought to be due to the existence of an entrance effect.
作者认为传质速度的增加是由于入口效应所引起的。
The positive correlation were found between mass infection rate and livestock infection rate.
人群的感染率与家畜的感染率呈正相关。
The effect of mass flow rate on convection heat transfer is complicated.
流量对对流换热的影响比较复杂。
Experimental results manifest that this method is feasible and effective for mass flow rate measurement.
结果表明，该测量方法结构简单，是测量质量流量的有效方法。
Experimental results manifest that this method is feasible and effective for mass flow rate measurement.
结果表明，该测量方法结构简单，是测量质量流量的有效方法。
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