正比计数器

BESⅢ漂移室的监控正比计数器

Monitored proportional counter of BES ⅲ drift chamber

高压电源输出在0～19kV之间可调。射线源工作真空度为1×10-4Pa，利用流气式正比计数器测到了铜kα谱线，并且进行了连续4h的运行。

High voltage supply are tunable in the range of 0 ~ 19 kV . X-ray source is stably runing for four hours at work vacuum of 1 × 10 - 4 Pa. At last , k α line spectrum is detected by the flow-gas proportional counter .

用于低能X射线分析的电荷分配式位置灵敏正比计数器

A charge-division , position-sensitive proportional counter used in high-resolution low-energy X-ray analysis

用BF3正比计数器测量了由W和D2O产生的光中子计数率。

Using the BF3 proportion counter , we measured the count rate of the photoneutron produced by W and D2O .

介绍了在4π高气压正比计数器与碘化钠闪烁计数器符合装置上测量电子俘获核素￣（57）Co的效率外推法。测定了不同充气压力和不同工作电压对测量结果的影响。

An efficiency extrapolation method was used to measure the activity of ￣( 57 ) Co by the 4 πβ( PPC ) - γ coincidence system , and the effects of pressure and voltage on the measurement were de-scribed in detail .

由低功耗X光管、正比计数器、前置放大器、主放大器、AD变换器以及多道分析器组成的系统是经济、实用的X荧光分析系统。它在科学研究和工业自动化过程中得到广泛的应用。

Made up with a low-power-consumption X-ray tube , proportional counters , preamplifiers , amplifiers , AD converters and multichannel analyzers , an XRFA system is economical and practical and is widely used on scientific research and industrial automatic process control .

用大容积（φ60mm×80mm）的圆柱型流气式组织等效正比计数器测定了~（252）Cfα粒子的微剂量谱和径向剂量分布。

Microdosimetric spectra and radial dose distribution of 252 Cf a particles were measured by a large volume cylindrical flowing tissue-equivalent proportional counter ( TEPC ) .

FNS-100正比计数器用于测量快中子场能谱时的干扰分析

Disturbing signal analysis of fast neutron energy spectrum measurement with FNS-100 proportional counter

将4π流气式正比计数器放于HPGe探测器上，插入井型NaI（Tl）探测器井中，实现了β射线探测效率、活度和γ分支比的同时测量。

We place the 4 πβ counter onto the HPGe detector and into the well of NaI ( Tl ) detector for carrying out the measurement of β - ray detection efficiency , radioactivity and γ - ray emission probability all the time .

用于微剂量学研究的无壁正比计数器系统

Using a Cylindrical Wall less Proportional Counter System for Studying Microdosimetry

~3He球形正比计数器热中子探测效率研究

Study of thermal neutron detection efficiency of ~ 3he spherical proportional counter

正比计数器式深度灵敏内转换电子穆斯堡尔谱仪

A depth sensitive conversion electron Mossbauer spectrometer based on the proportional counter

内充气正比计数器氚的绝对测量

Apparatus with an Internal Gas Proportional Counter for Absolute Measurement of Tritium

煤气正从管中逸出。外逸电子正比计数器

Gas is escaping from the pipe . exo-electron proportional counter

慢中子正比计数器探测效率研究

Study of detection efficiency of slow neutron proportional counter

外逸电子正比计数器他为逸乐而放弃工作。

Exo-electron proportional counter He sacrifices business for pleasure .

用于微剂量测量的圆柱型无壁组织等效正比计数器

A cylindrical tissue-equivalent wall-less proportional counter for microdosimetry

用圆柱型流气式组织等效正比计数器测定α粒子微剂量谱

Microdosimetric spectra of α particles measured by a cylindrical flowing tissue tissue equivalent proportional counter

多丝正比计数器核电子学电路研制

Nuclear electronics circuit research for proportional counter

一个简易的正比计数器探测系统

A simple proportional flow counter system

低压充填氦正比计数器

Low voltage He filled proportional counter

一种用于2π多丝正比计数器的放大电路设计及性能测试

An amplifier circuit designed for 2 π multi-wire proportional counter and the performance of the detector test

它是以流气式位置灵敏正比计数器作为探测器代替了传统的机械扫描式的色层分析装置为其主要特征。

Its detector is a flow gas position sensitive proportional counter , which replaces the traditional mechanical scanning device .

该样品较纯，且均匀、牢固，用它作为标准样品校正正比计数器式深度灵敏内转换电子穆斯堡尔谱仪的性能，其效果良好。

It has been successfully used in a depth - sensitive internal conversion electron Mossbauer spectrometer using the proportional counter .

研制并调试了圆柱型流气式组织等效正比计数器；一个用于4πβ+4πγ活度测量的小型流气式正比计数器

A cylindrical flowing tissue equivalent proportional counter was made and adjusted . A new small column proportional counter for the 4 πβ + 4 πγ counting method

由于较好地安排了D+7AI/0数模转换板的输出口，使主探测器&正比计数器的两维移动更加方便、合理。

Arranging the output ports of the D + 7AI / O module properly the 2 dimension movements of the main detector is more expedient and rational .

根据球体内随深度变化时中子的慢化程度有所差异，按两两垂直的方法把三个位置灵敏正比计数器安装在一个慢化球体内。

Based on the difference of the neutron distribution in the moderator , three position sensitive proportional counters which are perpendicular each other are inserted into the moderator .

描述了用于0.l～18MeV单能快中子注量率绝对测量的闪烁望远镜，半导体望远镜，含氢正比计数器和伴随粒子法等绝对测量装置。

The methods for absolute measurement of 0.1 - 18 MeV monoenergetic neutron fluence rate are described . Which include proton recoil telescope , semiconductor telescope , hydrogen filled proportional counter and associated partical method .

气体正比闪烁计数器

Gas proportional scintillation counter

本文对单畴的MB80.5（F）样品，应用X光衍射技术，采用二维多丝正比位敏计数器来探测，确定了MB80.5（F）呈现的几种液晶相的类型，及其相变温度。

Its phases and phase transition temeratures have been determined by X-ray diffraction technique with 2D multi-wire position-sensitive detector for single domain of the sample .