“nuclear reaction spectrometry”的概念、定义、翻译、参考文献-科学参考

单词	nuclear reaction spectrometry
释义	nuclear reaction spectrometry [`nü·klē·ǝr rē`ak·shǝn spek`träm·ǝ·trē] ^SPECTROSCOPY A method of determining the concentration of a given element as a function of depth beneath the surface of a sample, by measuring the yield of characteristic gamma rays from a resonance reaction occurring when the surface is bombarded by a beam of ions. Abbreviated NRS.
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