“promethium”的概念、定义、翻译、参考文献-科学参考

单词	promethium
释义	promethium Encyclopedia 理学放射性元素释 promethium钷人工放射性元素，元素符号Pm，原子序数61，半衰期最长的同位素的质量数145.0，属周期系ⅢB族，镧系元素、稀土元素。由希腊神话中从天庭盗取火送到人间的英雄普罗米修斯（Prometheus）而命名。 Physics promethium钷61Pm Astronomy promethium缩写：Pm。鉕 Chemistry ＞放射化学与辐射化学＞放射性元素化学＞释义 promethium钷
随便看	field surgical light field surgical shelter field surgical vehicle field survey of magnetic prospecting field sweep mode field sweet field synergy number field tax adjustment method field temperature field tent hospital system field theodolite field-theoretic field-theoretical method field theory field theory of learning field thistle herb field topology field tower field transition arch field triage field trial field triangulation field upgrade field vector field water balance

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。