The principle of the multipliers is as follows: a light quantum hits the lightsensitive layer and releases an electron . 光电倍增管的原理如下:一个光量子打在感光层上,释放出一个电子。
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Autoradiography a technique whereby a tin slice of tissue containing a radioactive isotope is placed in contact with a photographic plate 放射自显影术:将含有放射性同位素的一小薄片生物组织与感光层接触的一项技术。