“lawrencium”的概念、定义、翻译、参考文献-科学参考

单词	lawrencium
释义	lawrencium Encyclopedia 理学放射性元素释 lawrencium铹人工放射性元素，元素符号Lr，原子序数103，半衰期最长的同位素的质量数266，属周期系ⅢB族，锕系元素。为纪念回旋加速器的创造人美国物理学家E.O.劳伦斯[注]而命名。 Astronomy lawrencium缩写：Lr。铹 Chemistry ＞放射化学与辐射化学＞放射性元素化学＞释义 lawrencium铹
随便看	straight eyepiece straight fan straight fertilizer straight filament straightforward straightforward calculation straight helicoid straight knife cutting machine straight line straight-line arithmetic program straight line composition straight-line direction straight-line linkage straight-line method straight line motion straight-line representation straight-line segment straightness straightness artefact straightness measurement straight photography straight pile position survey straight polyomino straight ramp development straight river

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。