1) dual-scattering-angle optical particle counter
双角度光学粒子计数器
1.
Study of calibration of dual-scattering-angle optical particle counter;
双角度光学粒子计数器标定研究
2) 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。
3) laser optical particle counter
激光光学粒子计数器
1.
The sensitivity of a laser optical particle counter (L-OPC) measuring to the refractive index of particles is analysed,and the dependence of response on n_1,the imaginary part of the refractive index is discused.
根据米氏(Mie)散射理论,通过数值模拟分析了气溶胶折射率虚部n_i在不同散射角度上对双散射角激光光学粒子计数器(L-OPC)响应曲线的影响,定义了敏感函数。
4) Laser particle counter
激光粒子计数器
5) extinction particle counter (EPC)
光学颗粒计数器
6) laser airborne particle counter
激光尘埃粒子计数器
1.
In order to improve the resolution and count efficiency of the laser airborne particle counter,the design of performance optimization for the domestic sensors was studied.
为了提高激光尘埃粒子计数器的分辨率和计数效率,对国产传感器设计进行了性能优化。
2.
In order to analyze the influence of particle counter sensor system on measuring result,a mathematical model of the laser airborne particle counter is established based on information theory from the viewpoint of information.
为分析计数器传感器系统各部分对测量结果的影响,从信息的角度出发,在信息论的基础上建立激光尘埃粒子计数器的数学模型。
3.
In order to study the distribution of standard particle signal amplitudes in laser airborne particle counters,the relationship of the distribution of counting signal amplitude with the particle number density in the sampled air-flow,light-intensity uniformity of the sensitive area and the speed distribution of the lamellar flow is theoretically analyzed.
为了研究激光尘埃粒子计数器标准粒子信号幅度分布,对激光尘埃粒子计数器计数信号幅度分布与传感器光敏区光强分布、采样气流中的粒子数密度、气体层流速度分布之间的关系进行了理论分析。
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。
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