Experiments in pneumatic conveying show that there exists a maximum particle concentration.
气力输送实验表明，这里存着一个最大的颗粒浓度。
Performance parameters of the instrument, particle concentration and background parameters, etc.
仪器性能参数、颗粒浓度、背景参数等均可自动监测。
The fluctuating transmission signal can be used to measure particle size and particle concentration.
透过率起伏信号可用来测量颗粒粒径和浓度。
Increases in the inlet flow rate or the particle concentration both increase the filter pressure drop.
此外，随来流流量和颗粒浓度的增加，过滤压降增加。
Centrifugal fans used for transporting gas containing kinds of dust work at high particle concentration.
用于排放、输送含尘气体的离心通风机，都是在高颗粒浓度环境下工作。
The distribution of particle concentration in the cyclone tube was measured by isokinetic sampling method.
采用等动采样方法对旋风管内的颗粒浓度分布进行了系统测量。
Loopy curved pipe was better than single curved pipe to profiles of particle concentration phase separation.
多圈螺旋管能够达到比单圈螺旋管更好的有利于分离的颗粒相浓度分布。
The particle concentration is always higher in China, especially the concentration of particle matter 10(PM10).
我国大气中的粒子浓度普遍较高，特别是可吸入颗粒物PM10。
The influence of inlet area and diameter of exit tube on particle concentration distribution is also investigated.
改变分离器入口面积及排气管下口直径对分离空间内颗粒浓度分布的影响规律是不同的。
The numerical results indicate that courtyards can effectively reduce its interior wind velocity and particle concentration;
研究结果表明，背景气流掠过庭院式建筑，其内部风速和颗粒物浓度可有效降低。
By using isokinetic sampling method, the particle concentration distribution in the novel cyclone tube is measured and analyzed.
采用等动采样方法，对新型旋风管内的颗粒浓度场进行了测试与分析。
The flow field and the particle concentration distribution were measured in the two types of dust-exhaust structure of cyclone tube.
采用智能型五孔球探针测试技术及等动采样方法 ，对两种新型旋风管排尘结构内的流场及颗粒浓度场进行测量。
The effects of fluid velocity, particle diameter, and bulk particle concentration on the asymptotic fouling resistance were also studied.
考察了颗粒质量分数、颗粒直径和流体速度对渐近污垢热阻的影响。
The distribution of particle concentration in pipe is unequality and the unequality degree varies with the cent of volume and regime flow;
颗粒在管内的浓度分布是不均匀的，随颗粒的体积分率和流型的变化而变化；
Distribution of flow vector, fluctuating velocity, turbulent kinetic energy, turbulent intensity and particle concentration were discussed.
本文对流场、脉动速度、颗粒浓度、湍动能、湍流强度等的分布做了讨论。
The models pre-dict particle concentration as a function of the flow rate, the particle removal efficiency of the filter, and filtration time.
这些模型预测了粒子浓度与流速、过滤器的粒子去除效率及过滤时间的关系。
The optical-electrical measurement is an effective and feasible way to measure solid particle concentration and velocity in gas-solid two phase flow.
应用光一电检测方法测量气一固两相流中固体微粒浓度、速度，是一种十分有效和可行的方法。
Based on the measurement of flow field, the particle concentration distribution in the PDC type cyclone tube was studied by isokinetic sampling method.
在流场测试的基础上，采用等动采样的原理，对PD C型旋风管内的颗粒浓度分布进行了全面系统地测试。
A lower particle concentration in the liquid droplet results in a smooth de-pinning of the contact line while a higher concentration leads to an abrupt one.
颗粒浓度低时，液滴接触线平稳解附，随着颗粒浓度的增加，出现突然解附和多次附着现象。
The modeling results were validated with surface weather reports and observed dust particle concentration as well as satellite remote sensing image for dust.
模拟结果与地面天气观测、定点沙尘颗粒物浓度观测资料进行对比和检验。
Rapid increase of aerosol optical depth and coarse particle concentration, as well as aerosol neutral or anomalous extinction was observed during dusty periods.
沙尘期间，气溶胶光学厚度显著升高，而尺度上升，粗粒子浓度显著增加，大气气溶胶表现出中性或异常消光特征。
According to the analyses of particle concentration distribution in the separation room, it was showed that the particle separation mechanism was different in each region.
对旋风管分离空间内颗粒浓度分布的分析表明，在分离空间的不同区域，颗粒的分离机理也不同。
Under non-stationary filtration condition, firstly the study about the effect of particle concentration, filtration velocity and filtration time on pressure drop was taken.
含尘滤料过滤阶段，测试了入口粉尘浓度、过滤速度等对过滤压力损失的影响。
This paper presents a new concept that particle concentration enrichment process through deceleration and diffusion process is the basis of fuel rich combustion technology.
提出了颗粒的滞止浓缩过程与弥散过程是浓缩煤粉燃烧技术的基础这一新概念，并分析了滞止浓缩过程与弥散过程的原理。
The results show that duo to different atmospheric conditions, the distribution of aerosol particle concentration over Beijing and its surrounding areas is rather different.
综合分析气溶胶资料，结果表明，北京及周边地区气溶胶粒子的分布，对于不同的天气背景有较大的差别。
Studies respectively the impact of contaminants in ducts and coils on the indoor inhalable particle concentration, microorganism concentration and performance of ventilation systems.
分别研究了风管积尘和盘管积尘对室内可吸入颗粒物浓度、微生物浓度以及通风系统性能的影响。
Transmission fluctuation spectrometry (TFS) is a new method for particle size measurements, in which the particle size distribution and particle concentration can be measured simultaneously.
消光起伏法是一种新的颗粒测量方法，可用来同时测量两相流中颗粒的粒径分布和体积浓度。
Transmission fluctuation spectrometry (TFS) is a new method for particle size measurements, in which the particle size distribution and particle concentration can be measured simultaneously.
消光起伏法是一种新的颗粒测量方法，可用来同时测量两相流中颗粒的粒径分布和体积浓度。
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