请输入您要查询的字词:
单词
neptunium
释义
neptunium
Encyclopedia
理学
放射性元素
释
neptunium
镎
人工放射性元素,元素符号Np,原子序数93,半衰期最长的同位素的质量数237。属周期系ⅢB族,锕系元素。仿照以天王星命名铀的方法,以天王星外面的海王星(Neptune)命名镎。
Physics
neptunium
镎
93Np
Astronomy
neptunium
缩写:Np。镎
Chemistry
>放射化学与辐射化学>放射性元素化学>释义
neptunium
镎
随便看
finite-element approximation
finite element design
finite element equation
finite element equation of elastic dynamics
finite element frequency domain method
finite element method
finite-element method
finite element method (FEM)
finite element method, FEM
finite element method for incremental theory of plasticity
finite element method for structures
finite element method for total theory of plasticity
finite element method of electromagnetic field
finite element method,FEM
finite element model
finite-element network
finite element numerical simulation
finite element tearing and interconnecting
finite element tearing and interconnecting, FETI
finite element time domain method
finite equation
finite escape time
finite extension
finite extension field
finite factor
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/7/1 13:03:53