The measurement methods of particle size of nano-CaCO_3 including SEM method, laser size distribution method, sedimentation volume method and screening method are discussed.
讨论了对纳米碳酸钙的粒径测量方法，如：电镜、激光粒度分布仪、沉降体积、筛分法。
The particle size, the velocity distribution and the water mist volume flux of the water mist flow field are obtained through experiments.
对细水雾雾场进行了实验研究，细水雾的速度分布、滴径分布以及雾通量的测量等都得到了合理的实验结果。
Considering the influences of the particle volume fraction and the distribution of particle size on the flow.
考虑粉粒体积分率及粒径分布对流动的影响。
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