| 单词 | biological half-life |
| 释义 | biological half-lifebiological half-lifebiological half-lifebiological half-life[¦bī·ə¦läj·ə·kəl ′haf ‚līf]biological half-lifebiological half-lifeNuclear physics The length of time required for one half of a radioactive substance to be biologically eliminated from the body biological half-lifeT1/2 Biology The time required for 1⁄2 of the total amount of a particular substance in a biologic system to be degraded by biological processes when the rate of removal is nearly exponential Radiation physics The length of time required for1/2 of a radioactive substance to be biologically eliminated from the body |
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