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单词
proton-proton chain
释义
WordReference Random House Unabridged Dictionary of American English © 2024
pro
′
ton-pro
′
ton chain′
(prō
′
ton prō
′
ton),
USA pronunciation
[
Physics.,
]
Astron.
Astronomy, Physics
a series of thermonuclear reactions, responsible for the energy production in stars like the sun, in which the nuclei of hydrogen atoms are transformed into helium nuclei by sequential addition of single hydrogen nuclei.
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更新时间:2026/5/13 1:23:42