“cesium-beam sputter source”的概念、定义、翻译、参考文献-科学参考

单词	cesium-beam sputter source
释义	cesium-beam sputter source [`sē·zē·ǝm ´bēm `spǝd·ǝr ´sȯrs] ^ELECTRONICS A source of negative ions in which a beam of positive cesium ions, accelerated through a potential difference on 20-30 kilovolts, sputters the cesium-coated inner surface of a hollow cone fabricated from or containing the element whose negative ion is required, and an appreciable fraction of the negative ions leaving the surface are extracted from the rear hole of the sputter cone.
随便看	black scope black scour Black Sea black shale black shank black signal black silver black smoke black snow black spot black stem black storm blackstrap molasses black stripe black-surface enclosure black-surface field black tellurium black thread black tip blacktongue blacktop blacktop paver black transmission black vomit blackwater

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。