| 单词 | neutron activation |
| 释义 | > as lemmasneutron activation neutron activation n. the process of making a substance radioactive by irradiating it with neutrons; frequently attributive. ΘΚΠ the world > matter > physics > atomic nucleus > radioactivity > making radioactive > [noun] > by irradiating with neutrons neutron activation1941 1941 Proc. Royal Soc. A. 178 479 No appreciable deuteron-activation of the collector should remain after the lapse of this time, and the small ‘background’ observed..is attributed to neutron-activation. 1965 D. Gibbons in J. M. A. Lenihan & S. J. Thomson Activation Anal. x. 68 Phosphorus and barium can be determined..using 14 MeV neutron activation and γ-ray spectrometry. 1990 Jrnl. Petrol. 31 1383 The samples..were analysed..for trace elements by energy-dispersive X-ray fluorescence and instrumental neutron activation procedures. < as lemmas |
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