designating a thickness of material that reduces the intensity of radiation passing through it by a factor of 10.
| 单词 | θ79495 |
| 释义 | the world > matter > physics > atomic nucleus > radioactivity > [adjective] > related to reduction of intensity (1) tenth-value1955 designating a thickness of material that reduces the intensity of radiation passing through it by a factor of 10. |
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