“hafnium”的概念、定义、翻译、参考文献-科学参考

　

单词	hafnium
释义	hafnium Encyclopedia 工学控制材料释 hafnium铪化学元素。元素符号Hf，原子序数72，原子量178.49。属周期系ⅣB族。工学难熔金属释 hafnium铪金属元素，化学符号Hf，原子序数72，原子量178.49，位于元素周期表中IVB族。理学铪释 hafnium铪化学元素，元素符号Hf，原子序数72，原子量178.49(2)。属周期系ⅣB族。 Physics hafnium铪72Hf｛化｝ Astronomy hafnium缩写：Hf。铪 Chemistry ＞无机化学＞无机化学基本概念与无机化合物＞释义 hafnium铪
随便看	polynomial least deviating from zero polynomial-like polynomial-like game polynomial-like payoff function polynomially bounded Turing machine polynomially convex hull polynomially convex set polynomial mapping polynomial matrix polynomial matrix system polynomial mean-square regression polynomial model polynomial module polynomial norm polynomial of best approximation polynomial of degree n polynomial of least deviation polynomial of one indeterminate polynomial of several indeterminates polynomial operation polynomial operator polynomial order polynomial over a ring polynomial polyhedron polynomial quotient

　

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：2024/12/25 13:17:04