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放射性活

放射性活

放射性活

放射性活

1

The level of artificial radionuclides on earth shows a decrease tendency and with different degree in each sea area.

全球人工放射性活度呈下降趋势，但各海区下降的程度不同。

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verification scheme of liquid scintillation measuring instruments for radioactivity measurment

液体闪烁放射性活度计量器具检定系统

6

Radioactivity and Its Protection Measures in Living Room

居室放射性活度及其对策

7

Equipment for continuously monitoring for beta and gamma activity in liquid effluents or in surface waters

液态排出流或地表水 β 、γ 放射性活度连续监测设备

8

Particle Counting in Radioactivity Measurement

放射性活度测量的粒子计数

9

verification regulation of radioactivity meter

放射性活度计检定规程

10

Activity quantification of phantom using dual-head SPECT with two-view planar image

双探头 SPECT 对向平面显像放射性活度定量的模型研究

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