“dubnium”的概念、定义、翻译、参考文献-科学参考

单词	dubnium
释义	dubnium Encyclopedia 理学放射性元素释 dubnium𬭊人工放射性元素，元素符号Db，原子序数105，半衰期最长的同位素的质量数268。属周期系ⅤB族。以俄罗斯杜布纳联合核子研究所所在地杜布纳（Dubna）命名。
随便看	natural projection natural protection map natural protection planning natural purification natural purification technology natural quartz natural radiation belt natural radiation level natural radiation source natural radioactive decay series natural radioactive nuclide natural radioactivity natural radioactivity survey instrument natural radio background natural radioelement natural radioelements natural radionuclide natural range natural reactor natural reference frame natural reference system natural refrigerant natural region natural regionalization map natural regulation of population

科学参考收录了854744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。