英语词汇“r-process”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

　

单词	r-process
释义	Definition of r-process in English: r-process noun Astronomy A nucleosynthetic process believed to occur in stars in circumstances of high neutron flux (e.g. in supernova explosions), in which atomic nuclei heavier than iron are formed from lighter ones by a succession of rapid neutron captures and slower beta decays. Origin 1950s; earliest use found in Fred Hoyle (1915–2001), astronomer. From the initial letter of rapid + process. Definition of r-process in US English: r-process noun Astronomy A nucleosynthetic process believed to occur in stars in circumstances of high neutron flux (e.g. in supernova explosions), in which atomic nuclei heavier than iron are formed from lighter ones by a succession of rapid neutron captures and slower beta decays. Origin 1950s; earliest use found in Fred Hoyle (1915–2001), astronomer. From the initial letter of rapid + process.
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