| 单词 | specific activity |
| 释义 | > as lemmasspecific activity specific activity n. the activity of a given radioisotope per unit mass. ΘΚΠ the world > matter > physics > atomic nucleus > radioactive isotope > [noun] > activity in relation to mass specific activity1938 1938 Nature 18 June 1098/1 The specific activity of phosphatide P extracted from human blood corpuscles 24 hours after administration of labelled sodium phosphate was found to be 40 times less than that of plasma inorganic P. 1961 G. R. Choppin Exper. Nucl. Chem. xi. 186 Much higher levels of specific activity may be counted with no resolving time losses. < as lemmas |
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