WY 1 in stake Cascade Impacted was used to measure the particlesizeclassification of dusts and the fractional collecting efficiencies of dust collectors.
采用WY 1型冲击式尘粒分级仪测量各尘源排放粉尘的粉尘粒径分级组成和除尘器的粒径分级除尘效率。
2
In this paper, it is pointed out that the effects of entrainment on coarse particlesize are not neglected through analysis of data of classification tests.
本文通过对分级试验数据的分析，指出混杂作用对粗粒级的影响是不可忽略的。
3
Three soil characteristics are selected as family classification criteria. They are particle-size class, soil mineralogical type and soil temperature regime.