“berkelium”的概念、定义、翻译、参考文献-科学参考

单词	berkelium
释义	berkelium Encyclopedia 理学放射性元素释 berkelium锫人工放射性元素，化学符号Bk，原子序数97，半衰期最长的同位素的质量数为247。属周期系ⅢB族，锕系元素。以发现地美国的伯克利（Berkeley）命名。 Physics berkelium锫97Bk｛化｝ Astronomy berkelium缩写：Bk。锫 Chemistry ＞放射化学与辐射化学＞放射性元素化学＞释义 berkelium锫
随便看	river mouth landform River Nanxi Scenic and Historic Area river network river observation river pattern river prawn river pusher barges river reach river regime river regime chart river regulation or channel improvement river regulation planning river regulation structure river restoration project river revetment right rivers and lakes census in China rivers and lakes health assessment rivers and lakes survey river sand-mining planning Rivers and Mountains by Wang Hui riverscape river sediment river sediment measurement and grain-size analysis instrument river sediment microbes river sediment simulation

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。