Based on Mie scattering theory,the formula for calculating mass concentration of spherical particles by optical particle counter was established.
基于米氏(Mie)散射理论得到了粒子计数器测量球形颗粒物质量密度的计算公式。
When aerosol is sampled by a particle counter in cleanroom,it has some sampling error,inclusive of non-isokinetic sampling error,deposition sampling error in a sampling tube,counting error and error of sampling rate in a particle counter which is -5%,-3%,-3.
用粒子计数器在洁净室中采样 ,采样误差可包括非等速采样的误差、采样管中微粒沉积的误差、粒子计数器的计数和采样流量误差 ,分别约为 - 5 %、- 3%、- 3 5 %和±3% ,结果引起计数器采样的综合误差约为 7 2 %。
At present,the main method of testing air filters is fraction efficiency testing method with particle counter.
以粒子计数器为测试手段的粒径效率测试法是目前过滤器测试的主要方法。
Calculates the minimum sample flow rate of particle counter by the two methods.
介绍了国内基于非零检验原则的方法和国外基于最少总粒子数原则的方法,根据两种方法计算了粒子计数器的最小采样量。
An on-line natural gas filter element testing unit was built up,and an optical particle counter was used to simultaneously measure the upstream and downstream aerosol of the filter.
针对天然气工业特点,设计了一套滤芯性能在线检测装置,采用光学粒子计数器OPC对过滤器上、下游粉尘的浓度和粒径分布进行适时测量。
0, were detected by an optical particle counter (OPC), a visibility meter and ambient particulate monitors respectively at the same time in Beijing during the winter of 2001.
2001年夏季和冬季,在北京市大兴区榆垡镇,利用光学粒子计数器、能见度仪和颗粒物质量监测器对近地面大气气溶胶粒子数密度、大气能见度、颗粒物质量浓度(PM10、PM2。
A new method is proposed for the measurement of imaginary part of refractive index n i of aerosol by using an optical particle counter (OPC) and a visibility meter (VM).
介绍一种综合利用光学粒子计数器和能见度仪测量大气气溶胶折射率虚部的新方法。
low level alpha-beta counter
低水平阿尔法－贝他粒子计数器
Statistical Analysis of Signal Amplitude Distribution in Airborne Particle Counter
尘埃粒子计数器标准粒子信号幅度分布统计分析
Methods for testing the performance of dust particle counter--Particle concentratio
GB/T6167.2-1985尘埃粒子计数器性能试验方法颗粒数浓度
Domestic Research and Development of Laser Airborne Particle Counter (APC);
激光尘埃粒子计数器的国产化研究与开发
A Novel Method for Mathematical Model Optimization of Airborne Particle Counter Based on The Improved Genetic Algorithms;
一种基于改进遗传算法的尘埃粒子计数器数学模型优化的新方法
Methods for testing the performance of dust particle counter--Calibration for sizing particle
GB/T6167.1-1985尘埃粒子计数器性能试验方法转换灵敏度
Single gold(silver) nanoparticles counter:An ultrasensitive detection platform for homogenous bioassays
单个金(银)纳米粒子计数器:一个超灵敏的均相生物分析检测平台
continuous flow single particle condensation nuclear counter
连续流单粒子凝结核计数器
The particles can be detected with a condensation nucleus counter.
这种粒子可以用凝结核计数器探测到。
The Geiger counter registered a high concentration of radioactive particles.
盖革计数器示出放射性粒子的高浓度。
Optical Sensor with High Counting Efficiency in Airborne Particle Counter for 28.3 L/min
高计数效率28.3 L/min尘埃粒子计数光电传感器
Gucker and Rose aerosol counter
古克-罗斯悬浮粒计数器
light scattering particle counter
光散射式微粒计数器
light absorption particle counter
光吸收式微粒计数器
laser aerosol counter
激光悬浮微粒计数器
electrical conductivity particle counter
电导率式微粒计数器
automatic gamma counter
自动伽玛（γ）粒子计数管
forward-angle counter
向前散射粒子计数管