转速增加碳烟颗粒数密度增加，但是却存在一个最佳转速使碳烟的体积分数最小；
The number density of soot is increased by the engine speed. But there is a best speed that makes the volume fraction of soot least.
肥胖患者和糖尿病患者也是患心脏疾病的高危人群，因为他们的低密度脂颗粒数通常是偏高的。
People who are obese, diabetic of borderline diabetic also are at greater risk, because they often have higher LDL particle counts.
浊度与颗粒计数的检测原理不同，使得不同粒径范围的颗粒数对浊度的影响力不同。
Furthermore, particle population of various grain size ranges has different effects on turbidity because of different measuring principles between turbidity and particle counting.
应用推荐