给出了一种用室内快速运动的球体作为放射性样品测量室内氡射气辐射活度的新方法。
A new method of measuring indoor radioactivity of radon is presented by using the indoor fast-moving ball as the sample of a radioactive substance.
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.
结果：不同产地、不同品种的进口花岗岩石材样品中天然放射性核素的比活度与普通建筑材料比有较大差别。
The specific activities of natural radionuclides in import granites of different producing area and different varieties have biggish differences with those in normal building materials.
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。
To improve the measurement accuracy of the radionuclide activity by verified the medical activity meter of user in order to reduce unnecessary exposure.
植物修复技术适用于大面积、低活度的放射性污染治理，在一些大面积放射性污染区具有潜在的应用前景。
Phytoremediation, has been used for cleanup of low-level contaminants, exhibits a great potential in remediation of large-scale radionuclide contamination.
这些天然放射性核素的活度浓度与其他国家报告的数据进行比较。
The measured activity concentrations for these natural radionuclide were compared with the reported data for other countries.
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.
给出了快对数电荷放大器动态测量范围的测量方法以及采用这种对数电荷放大器的液闪计数装置对放射性溶液活度绝对测量的测量结果。
A method for measuring the dynamic range of the fast logarithmic charge amplifier is described. Finally, the results of absolute measurement of the activity of...
给出了快对数电荷放大器动态测量范围的测量方法以及采用这种对数电荷放大器的液闪计数装置对放射性溶液活度绝对测量的测量结果。
A method for measuring the dynamic range of the fast logarithmic charge amplifier is described. Finally, the results of absolute measurement of the activity of...
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