| 单词 | photoelectric absorption |
| 释义 | > as lemmasphotoelectric absorption photoelectric absorption n. Physics the absorption of light by an atom which then emits an electron. ΘΚΠ the world > matter > physics > atomic physics > ion > ionization > [noun] > ionization produced by electromagnetic radiation > process or condition photoelectric effect1892 photoeffect1903 internal conversion1905 photoelectric absorption1921 photo-detachment1943 photoejection1964 1921 Science 30 Sept. 291/1 The photoelectric absorption of radiation is most intense when its quantum exceeds the minimum quantum necessary to eject the absorbing electron but does not exceed it too much. 1958 W. K. Mansfield Elem. Nucl. Physics v. 44 In photoelectric absorption the γ-ray interacts with an atom as a whole, ejecting an electron. 1992 S. P. Maran Astron. & Astrophysics Encycl. 46/1 The physical process by which soft x-rays are attenuated by the interstellar medium is photoelectric absorption, usually with the ejection of a K-shell electron. < 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。