单词 | radiopure |
释义 | radiopureadj. Science. = radiochemically pure adj. at radiochemically adv. ΚΠ 1947 Jrnl. Amer. Chem. Soc. 69 2778/1 After several months the activities, other than Y, had all decayed leaving radio-pure Y91. 1958 Jrnl. Biophysical & Biochem. Cytol. 4 843/1 10 microcuries of radio-pure tritiated thymidine. 2005 Nucl. Instruments & Methods Physics Res. A. 551 246/1 Experiments deeply underground..and the use of radiopure materials cannot suppress a background counting rate below about 1 event keV−1 kg−1 day−1. This is a new entry (OED Third Edition, June 2008; most recently modified version published online March 2022). < adj.1947 |
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