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单词 carbon-nitrogen-oxygen cycles
释义 carbon-nitrogen-oxygen cycles
[¦kär·bǝn ¦nī·trǝ·jǝn ¦äk·sǝ·jǝn ´sī·kǝlz]
NUCLEAR PHYSICS
A group of nuclear reactions involving the interaction of protons with carbon, nitrogen, and oxygen nuclei; completion of any of the cycles results in the consumption of four protons and the production of a helium-4 nucleus, two positrons, two neutrinos, and energy. Abbreviated CNO cycles.
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