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。
Especially, the single particle technique (SPT) data of this experiment can give count rate of secondly particles of EAS according different energy range (multiplicity greater than 1,2,3 and 4, respectively, i.
结果表明:在宇宙线单粒子计数、气压、室外温度以及室内温度构成的系统中,气压和室外温度对单粒子计数作负贡献,而室内温度单粒子计数的贡献为正,并且气压是影响单粒子计数的环境参量中的主要部分。
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
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
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
Total bacterial count of air and dust particle count were measured by plate sedimentation method and GLJ-BG-type dust particle counter.
用平板沉降法和GLJ-BG型尘埃粒子计数仪分别测定了空气中的细菌总数、埃粒子数。
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
back-angle counter
记录逆向散射粒子的计数管
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。
Exponential Estimates for the Velocity of a Brownian Particle
关于Brownian粒子速度的一个指数型估计
Flow Calculation Study on the Lower Reynolds Number for Cube-Shaped Blown Sand
立方体风沙粒子的低雷诺数绕流计算
Suitable-Distribution Particle Swarm Applying to SOC Architectural Parameters Design;
适配粒子群与其在SOC参数设计上的应用
Parameter estimation method of logistic regression models based on particle swarm optimization algorithm
基于粒子群算法的Logistic回归模型参数估计
Multi-Channel High-Speed Electronic Counting of Troche Bottling Control System Design
多通道高速电子数粒装瓶控制系统设计