total activity

In order to provide a suitable ~(237)Np reference solution for nuclear fuel reprocessing and environmental science,a radioactivity reference solution of neptunium-237 in 0.

5 mol/L HNO3为介质的镎-237放射性活度标准溶液。

Objective To produce a new ~ 125 I isotope labeled PLGA,and to investigate the radioactivity of this labeling material.

并对125I-PLGA标记物的放射性活度进行检测。

The paper introduces a practical method to improve the detection efficiency of 3H,14C sample , used for metrology technique research, using 4πβ(LS) radioactivity of graduation solution of 3H,14C of National Primary Standard.

使用4πβ(LS)活度国家基准刻度3H、14C溶液的放射性活度。

The cause of variation of efficiency curve and the effect of dead-time in activity measurement were explained using the above principle and condition.

分析和解释放射性活度绝对测量中效率曲线变化的原因、死时间在符合测量中的影响程度等重要问题,为符合法绝对测量放射性活度提供了理论基础。

minimum detectable activit

最小可探测放射性活度

Detection of Alpha Radioactivity Using Autoradiography With Phosphor Screen

用磷屏放射自显影法测量α核素的放射性活度

Researches on Method of Radioactivity Determination in Aquatic Products;

水产品中放射性活度的检测方法研究

DETERMINATION OF Pu, Am AND TOTAL α ACTIVITY FOR HIGH-LEVEL LIQUID WASTE

高放废液中钚、镅含量及总α放射性活度的测定

Regulations for monitoring radioactivity in effluents from uranium processing and nuclear fuel fabrication facilities

GB/T15444-1995铀加工及核燃料制造设施流出物的放射性活度监测规定

Equipment for continuously monitoring for beta and gamma activity in liquid effluents

GB/T10253-1988液态排出流β、γ放射性活度连续监测设备

Low Specific Activity Materials

低化活度放射性物质

active particles

放射性[活性]粒子

The intensity of a radioactive source.

放射性放射原的强度

A Testing Method on Detection Threshold for Channel Vehicle Radiation Monitoring System to γ Radionuclide Activity

通道式车辆放射性测控系统对γ放射性核素活度探测阈值的测定

The Methods of Measuring Radioactive Xenon Isotopes Activity during CTBT Monitoring

CTBT放射性惰性气体氙同位素活度测量方法

Activity Measurement of Radioxenon isotopes by Well-type HPGe Detector

井式HPGe探测器测量放射性氙活度方法研究

determination of the activity concentration of radionuclides by high resolution gamma-ray spectrometry

用高分辨率伽马射线光谱测定法测定放射性核素活性浓度

A study and measurement of response of activity and nonlinear of ~137Cs radioactive source by radiological control apparatus of baggage

行李放射性测控装置对~137Cs放射源活度响应及其非线性的测量与探讨

minimal detectable activit

最低检出放射性强度

radioactivity concentration guide

放射性浓度指导限值

radioactive sediment density probe

放射性沉积物密度探针

radioisotope densimeter

放射性同位素密度计