“铌”的概念、定义、翻译、参考文献-科学参考

单词	铌
释义	铌 Encyclopedia 工学铌释 niobium铌化学元素，元素符号Nb，原子序数41，原子量92.9064，属周期系VB族。理学铌释 niobium铌化学元素，元素符号Nb，原子序数41，原子量92.90637(2)，属周期系ⅤB族。 Astronomy 全称：niobium。缩写：Nb铌 Chemistry ＞无机化学＞无机化学基本概念与无机化合物＞释义 niobium铌
随便看	homotopic fields homotopic foliation homotopic invariant homotopic loop homotopic manifold homotopic mapping homotopic morphism homotopic path homotopic resolution homotopic simplex homotopic to zero homotopism homotopy homotopy algorithm homotopy associative homotopy associative mapping homotopy associativity homotopy axiom homotopy boundary homotopy category homotopy chain homotopy characteristic homotopy class homotopy classification homotopy coherence

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。