用透射电镜测定了冻干前后粒度分布的变化；
The particle size and distribution were measured by transmission electron microscope.
该方法被广泛应用于各种高温合金、中低合金钢、微合金化钢中碳化物、金属间化合物的粒度尺寸分布的测定。
The present method has been used for the particle size determination of carbides and metal precipitates in microalloyed steel, middle-alloy steel and high-temperature alloys.
应用库尔特计数器测定粒度分布及粒径变化规律。
The particle size distribution of the particulates and the rate of their coalescence were determined by using the Coulter counter.
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