研究者在每个参试者嘴巴前30厘米区域采集空气样本并测量颗粒物质浓度。
Air in the breathing zone (about 30cm from the mouth) was sampled for each trip to measure PM concentrations.
调查东北某工业城市大气颗粒物质和多环芳香烃类化合物的浓度以及它们的致突变活性。
To investigate concentrations of polycyclic aromatic hydrocarbons (PAH) in Ambient particulate matter and their mutagenic activities in an Industrial Area of Northeastern China.
本文介绍了燃煤电厂锅炉排放颗粒物质量浓度的连续测定。
The paper describe on continuous measurement of the mass concentration of particulate matter emissions from coal fired power boiler.
正确标定悬浮颗粒物质量浓度反演模型中的系数是得到高精度测量结果的前提条件。
The correct calibration of coefficients in the inversion model for aerosol mass concentration is the precondition of obtaining highly precise results.
光散射等效截面分形维数标定机理的研究进一步完善了悬浮颗粒物质量浓度的反演模型。
The study of the calibration mechanism for the fractal dimension markedly enhances the present model for aerosol mass concentration.
基于平均质量的概念，提出了粒子计数器测量悬浮颗粒物质量浓度的计算模型。
A model for measuring aerosol mass concentration by an optical particle counter is presented using the conception of the average mass.
基于平均质量的概念，提出了粒子计数器测量悬浮颗粒物质量浓度的计算模型。
A model for measuring aerosol mass concentration by an optical particle counter is presented using the conception of the average mass.
应用推荐