说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 粒子计数器
1)  particle counter
粒子计数器
1.
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.
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 %。
2.
At present,the main method of testing air filters is fraction efficiency testing method with particle counter.
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。
3.
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。
2)  Optical particle counter
粒子计数器
1.
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。
3)  alpha counter a
—粒子计数器
4)  optical particle counter(OPC)
粒子计数器(OPC)
5)  optical particle counter
光学粒子计数器
1.
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。
2.
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。
3.
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。
6)  airborne particle counter
尘埃粒子计数器
1.
Application of Least Square Method in the Airborne Particle Counter;
最小二乘法在尘埃粒子计数器中的应用
2.
The study of signal transmission characteristic in airborne particle counter;
尘埃粒子计数器信号传输特性研究
3.
There researches the calibration problem of the airborne particle counter for standard single radius particle on the basis of the combination of simulated annealing algorithm and genetic algorithm.
文章结合模拟退火算法和遗传算法,研究了国产尘埃粒子计数器单分散粒子标定问题。
补充资料:粒子计数器
分子式:
CAS号:

性质:粒子计数可采用激光粒子计数器或凝聚核粒子计数器。He-Ne激光粒子计数器,可分析气体中0.1μm粒径的颗粒杂质;Ar-Kr激光粒子计数器可分析0.05μm粒径颗粒杂质;目前已有可检测超高纯气中0.005μm的粒子计数器。光电尘粒计数器是一种利用光的散射原理进行尘粒计数的仪器。一定流量的含尘气体通过一束强光,使粒子发射出散射光,经过聚光透镜投射到光电倍增管上,将光脉冲变为电脉冲,由脉冲数求得颗粒数。根据粒子散射光的强度与粒径的函数关系得出粒子直径。粒子计数器是高纯或超高纯供气系统中必不可缺少的仪器。价格较昂贵。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条