“actinium”的概念、定义、翻译、参考文献-科学参考

单词	actinium
释义	actinium Encyclopedia 理学放射性元素释 actinium锕天然放射性元素，元素符号Ac，原子序数89，半衰期最长的同位素的质量数227。属周期系ⅢB族，锕系元素。其英文名称源自古希腊语中的ακτίς、ακτίνος（aktis、aktinos），意为光线。 Astronomy actinium缩写：Ac。锕 Chemistry ＞放射化学与辐射化学＞放射性元素化学＞释义 actinium锕
随便看	shape memory alloy actuation shape memory alloy with narrow hysterrsis shape memory alloy with wide hysterrsis shape memory clothing shape memory copper alloy shape memory fiber shape memory polymer shape-memory polymer shape memory polymers shape morphing shape morphism shape number shape of colloid particles shape of gas absorption spectrum line shape of molecule shape operator shape optimization shape parameter shape perception shape-preserving shaper shape recognition shape relation shape resonance shape retrieval

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。