1) subtree counter
子树计数器
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) Quantum counter
量子计数器
1.
In this paper the controlled quantum counter is constructed.
本文构造了可控量子计数器,当控制位为“0”时所有输入位原样输出,而当控制位为“1”时输出比输入进一位,该模型在应用上可为量子计算机提供具有通用性和可扩展性的计数和存储单元。
4) photon counter
光子计数器
1.
Using home made highly sensitive fluorescence detection system with Hg-lamp as excitation source and a photon counter as detector in microchip capillary electrophoresis, a sensitive, rapid and accurate method for the analysis of dopamine, histamine were accomplished by precolumn derivatization.
本文以汞灯为激发光源,利用自组装的高灵敏芯片毛细管电泳荧光光子计数器检测系统,NDA柱前衍生检测神经递质多巴胺和组胺。
5) 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.
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 %。
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。
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。
6) electronic counter
电子计数器
1.
The electronic counter in this design has realized the measurement of frequency,cycle time and phase(difference) and implemented the intelligence coupled with the virtual instrument technology.
设计了电子计数器,实现了频率、周期和相位差的测量,并结合虚拟仪器技术实现了智能化。
2.
From the principle of measuring cycle of electronic counter, it has been found out that the error of measuring cycles consists of three parts, that is, quantization error, timebase error and conversion error.
从电子计数器测量周期的原理出发,分析了测周误差产生的原因并指出测周误差由量化误差、时基误差、转换误差三部分组成,在此基础上提出了减小电子计数器测周误差的几种方法;为电子计数器在频率、时间间隔等参数测量时,如何减少测量误差提供了理论依据。
3.
In our designed experiment for measurement of wave length by Michelson interferometer,the intensity change of interference fringe is transformed by optical electronic transducer into corresponding electrical signal changing,then it is amplified and renovated for use in electronic counter to measure more accurately the number of emerging or sinking interference fringes.
在迈克耳逊干涉仪测波长的实验中，用光电传感器元件将干涉条纹的强度变化转换为相应变化的电信号，经放大整形后由电子计数器测量干涉条纹涌出或陷入的个数，使波长测量更准确。
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