dust concentration 单位体积空气中含有粉尘的质量或颗粒数。 可燃粉尘粉尘浓度与爆炸性有密切关系。
... dust control防尘；尘埃控制；飞尘捕集 dust concentration粉尘浓度；尘末浓度 dust catcher除尘器 ...
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平均粉尘浓度 mean dust concentration
激光粉尘浓度计 laser ash density meter
初始粉尘浓度 initial concentration of dust
粉尘浓度测量 measurement of dust concentration ; powder concentration measurement
粉尘浓度测定 measurement of dust concentration
煤矿用粉尘浓度传感器 Coal mine dust concentration transducer
煤矿粉尘浓度 dust concentration of coalpit
冰心中粉尘浓度 dust concentration in ice cores
粉尘平均浓度 mean dust concentration
Applying two-beam-optics to the transmission-model optical measurement of dust density, we have confirmed that the traditional difference method can not clean up the influence of light source fluctuating, temperature change etc.
将双光路差分法应用到透射式粉尘浓度测量，通过推导得出了传统差分方法不能有效消除光源波动、温度变化等因素带来的误差。
参考来源 - 透射式光学粉尘浓度监测技术研究及应用Based on the law of filtering in the fixed granular bed, combining the characteristic of the new fixed granular bed, equations of variation of dust deposit density, dust removal efficiency and dust concentration in exit was given.
以固定床颗粒层过滤规律为基础,结合新型颗粒层除尘器的特点,构建了新型颗粒层除尘器的床层内部粉尘沉积规律、除尘效率和出口粉尘浓度的理论方程式。
参考来源 - 新型颗粒层除尘器过滤性能的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
水泥厂生产粉磨加工过程多，环境空气中含粉尘浓度高。
Cement grinding process production, environmental air contains high concentrations of dust.
经实践证明，这些措施是目前降低粉尘浓度的有效途径。
Practice has proved these measures to be the effective way for decreasing of dust density.
最大爆炸压力和最大压力上升速率随粉尘浓度的增加而线性增加。
And the maximum explosion pressure and maximum rate of pressure rise vary approximately linearly with the concentration.
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