| 单词 | gram-rad |
| 释义 | > as lemmasgram-rad gram-rad n. a unit of the energy absorbed by any quantity of a substance when irradiated with ionizing radiation, equal to 100 ergs. ΘΚΠ the world > matter > physics > atomic nucleus > measurement of ionizing radiation > [noun] > unit of energy absorbed gram-rad1954 1954 Brit. Jrnl. Radiol. 27 243/2 Integral absorbed dose is the integration of the energy absorbed throughout a given region of interest. The unit is the gramme-rad. 1 gramme-rad = 100 ergs. 1963 E. H. Quimby & S. Feitelberg Radioactive Isotopes in Med. & Biol. viii. 120 The maximum permissible dose to a normal individual in 3 months is 3 rads of radiation to the whole body... For a 70 kg man this would be an integral dose of 210,000 gram-rads. < as lemmas |
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