aerodynamic diameter
英 [ˌeərəʊdaɪˈnæmɪk daɪˈæmɪtə(r)]
美 [ˌeroʊdaɪˈnæmɪk daɪˈæmɪtər]
空气动力直径
双语例句
- Under the influences of aerodynamic force and electrostatic force, the higher the nozzle pressure and charging voltage are, the smaller the droplet diameter is.
在气动力和静电力的前后作用下，雾滴的粒径随气体压力、静电电压的增加而减小且分布愈均匀； - MMAD ( Mass Median Aerodynamic Diameter) A new technique for online measurement of instant airflow rate in internal combustion engines
质量中质空气流动力学直径一种发动机瞬态进气量在线检测新技术 - The present article describes a method to measure fluorescence characteristics of aerosol particles in air, and a technique used to measure the aerodynamic diameter of aerosol particles.
采用激光诱导荧光光谱方法测量大气中气溶胶颗粒物的散射荧光特性，同时用飞行时间方法测量颗粒物的动力学直径大小。 - Most of PAHs were found on aerosol particles having aerodynamic diameter between 0.43 and 2.1 μ m.
绝大多数的PAHs存在于0.43～2.1μm的粒径范围内； - Experiment system design details and measurement plans were given. Fluorescence intensity spectra were compared with particle aerodynamic diameter spectra.
给出了实验系统设计、测量方法、颗粒粒径分布图及散射荧光强度分布谱图的对比，并对多组实验数据进行分析。 - The aerodynamic diameter was calculated in terms of particle diameters and tapped densities.
同时测定粉体的固密度和平均粒径从而推算粉末粒子的空气动力学径。 - There was also close correlation between visibility and the aerodynamic diameter distribution of fine particulate mater.
灰霾天气下大气能见度还与细颗粒物的粒径分布密切相关。 - Size distribution is measured on the range from 0.03 μ m to 10 μ m in aerodynamic diameter. The results show that the testing system can be used widely for sampling of particulate matters from stationary sources.
结果表明：该试验系统可对燃煤排放的可吸入颗粒物进行在线测量，获得可吸入颗粒物的瞬时浓度、平均浓度和浓度分布，最小粒径达0.03μm，可广泛用于固定源采样； - In the procedure study, based on the monofactorial investigation, the optimization of the preparation parameters was performed by using orthogonal design and Z-score method which employed four indices including powder yield, aerodynamic diameter, angle of repose and effective deposition percentage.
工艺研究中，在单因素考察的基础上，以产品收率、粉末的空气动力学径、休止角及沉积率等为考察指标，采用正交设计结合多指标综合评价法优化最佳制备工艺。 - The results of simulation show that the rough surface has a significant impact on gas flow, and the change of aerodynamic performance can also be caused by the change of characteristics parameters of roughness element such as height, diameter, spacing.
计算结果表明粗糙表面对绕流其本身的气体流动有较为显著的影响，而且粗糙度单元的高度、直径、间距等特征参数的变化也会引起气动特性的变化。 - Particulate matter ( PM), especially the aerodynamic diameter ≤ 10 μ m ( PM10) is the primary pollutant in many major cities at home and abroad.
颗粒物，特别是空气动力学直径≤10μm的可吸入颗粒物（PM10）是国内外许多大城市的首要污染物。