放射性核素测量

文章对用于放射性核素测量的切连科夫计数技术作一综述。

In the article , the Cherenkov counting technique for assying radionuclides is reviewed .

环境与光源测量建筑材料放射性核素测量

Environment and Measurement of Light Sources

该仪器是为地下核试验放射性核素测量而研制的专用设备，系统主要由井上主机系统、γ能谱探管系统、测井绞车控制系统、数据采集及处理系统等组成。

The instrument is an exclusive use equipment of measuring underground nuclear test radionuclide . The instrument system is made up of main instrument system ? γ energy spectrum detector system ?

参加WHOIRC组织的环境样品中放射性核素含量测量比对的总结

Summary of participating in measurement intercomparison of environmental samples sponsored by who IRC

γ放射性核素活度测量标准

Standard A substandard for activity measurements of y ray emitting nuclides

放射性核素寿命测量系统

A measurement system for the half life of radionuclide

鱼粉样品中放射性核素的测量方法及质量控制研究

Research of the methods for radioactivity measurement and its quality control in fish-powder monitoring

根据放射性核素在测量区间中的测量计数与该区间始点处的放射性活度的转换公式，提出了一个在测量区间中考虑衰变校正计算的迭代方法和多组分衰变曲线分析程序。

According to the formula for converting decay count into counting rate of the initial point in the measuring interval , an iterative method and a program for analysing multi-component decay curves with correction for decay during the counting interval have been designed .

中国瓷砖中放射性核素的国际测量比对

Intercomparison on the Measurements of Radionuclides in the Ceramic Brick of China

高密度样品中天然放射性核素的分析测量方法

Method of analyzing and measuring natural radiation nuclei in high density environmental specimen

水中放射性核素锶-90测量不确定度的评估

Evaluation of Detection Uncertainty of Sr-90 in Water

因此，准确快速的对放射性核素活度进行测量具有非常重要的意义。

Therefore , it is of important significance of fast and accurate measurements of radionuclide activity .

本文介绍用于放射性核素活度绝对测量的相关方法的基本原理、应用及其优点。

This paper describes the principle and application of correlation method in the absolute radioactivity measurement .

目的：通过对医用活度计的检验，改善放射性核素活度的测量准确性，减少不必要的照射。

[ Objective ] To improve the measurement accuracy of the radionuclide activity by verified the medical activity meter of user in order to reduce unnecessary exposure .

方法应用累积测量和瞬时测量技术对四个地下煤矿氡浓度和γ剂量率进行测量，以及用高纯锗γ谱仪对各煤矿的放射性核素活度浓度测量。

Methods The radon concentration and γ dose rate of four underground coal mines were measured with accumulative method and instant method . The activity concentration of radionuclide was measured with high pure germanium ( HPGe ) spectrum .

在液闪计数装置中采用这种对数放大器实现了对一些放射性核素活度的绝对测量。

Using this amplifier in a liquid scintillation counting device , absolute measurements of the activity of some radionuclides have been realized .

γ能谱法在放射性核素比活度检验中测量不确定度的评定大亚湾海底泥中γ放射性核素比活度随深度的变化及底泥沉积速率的估算

Uncertainty Assessing in Measurement of Specific Activity from Radioactive Species by Gamma Spectrometry Variations of Specific Activity of γ Radionuclides in Marine Sediments with Depth at GNPS Site and Evaluation of Sedimentation Velocity

目前在国内外航空伽玛能谱测量中，主要利用高能特征伽玛谱段照射量率反演地下放射性核素含量，通过测量资料反演地质体中矿体的形态尚讨论甚少。

At present in both Chinese and foreign aviation gamma spectrometer , mainly uses in measuring high feature gamma spectra period of eminence inverse underground radionuclide content , through the measurement data of the form of geological ore is discussed .