However, the higher the filtration rate, or the presence of viscous or low porosity dustlayer, should take a slightly higher value.
但若采纳较高的过滤速度,或存在粘性或低孔率的尘埃层,应取稍高的数值。
2
Analyzed the coal dust samples we collected, mensurated the minimum ignition temperature of coal dustlayer and coal dust cloud in different diameter range.
对所采集煤尘样品进行实验分析,测定了不同粒径范围下煤尘层和煤尘云的最低着火温度。
3
Everything was covered with a thick layer of dust.