| 单词 | low-energy positron diffraction |
| 释义 | low-energy positron diffraction [`lō ´en·ǝr·jē `päz·ǝ´trän di´frak·shǝn] SOLID-STATE PHYSICS A technique for studying the atomic structure of solid surfaces in which a narrow beam of low- energy monoenergetic positrons is made to strike a solid surface, and the diffracted beams in certain directions that are permitted by the regular array of surface atoms are observed. Abbreviated LEPD. |
| 随便看 |
|
科学参考收录了103327条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。