| 单词 | p-process |
| 释义 | > as lemmasp-process p-process n. [ < the initial letter of proton n.] Astronomy a process believed to occur in stars by which heavy proton-rich nuclei are formed from other nuclei, esp. in circumstances of high proton flux or in the presence of high-energy photons (e.g. in supernovae). ΚΠ 1956 F. Hoyle et al. in Science 5 Oct. 613/3 At such temperatures (p, γ) reactions occur in a time of the order of 10 seconds, even on the heaviest nuclei (p-process). 1977 J. Narlikar Struct. Universe ii. 50 Apart from these two processes there is a rarer process which produces proton-rich isotopes by exposing the r-process and s-process material to a fast flux of protons or of high-energy photons. This is known as the p-process. 2002 Nature 21 Feb. 882/2 The basic building blocks of heavy elements in our Solar System are primarily made of super-nova (r- and p-process) components. < as lemmas |
| 随便看 |
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。