单词 | depletion |
释义 | depletion [dǝ`plē·shǝn] ECOLOGY Using a resource, such as water or timber, faster than it is replenished. ELECTRONICS Reduction of the charge-carrier density in a semiconductor below the normal value for a given temperature and doping level. NUCLEONICS The percentage reduction in the quantity of fissionable atoms in the fuel assemblies or fuel mixture that occurs during operation of a nuclear reactor. |
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