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单词
activation analysis
释义
WordReference Random House Unabridged Dictionary of American English © 2024
activa
′
tion anal′ysis,
[
Chem.
]
Chemistry
a method for the qualitative and quantitative determination of trace amounts of various elements by measuring the characteristic radioactive decay induced by neutron bombardment. Also called
neutron activation analysis.
1945–50
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更新时间:2025/12/10 7:45:10