“charge-exchange source”的概念、定义、翻译、参考文献-科学参考

单词	charge-exchange source
释义	charge-exchange source [`chärj iks´chānj ´sȯrs] ^ELECTRONICS A source of negative ions, generally negative helium ions, in which positive ions generated in a duoplasmatron are directed through a donor canal, usually containing lithium vapor, where they pick up sequentially two electrons to form negative ions.
随便看	thallium-beam clock thallium bromide thallium carbonate thallium chloride thallium hydroxide thallium iodide thallium monoxide thallium nitrate thallium oxide thallium sulfate thallium sulfide Thallobionta thallofide cell photograph nadir photography photogravure photo-Hall effect photoheliograph photohomolysis photoinhibition photointerpretation photoionization photoisland grid photoisolator photoisomer

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。