“niobium”的概念、定义、翻译、参考文献-科学参考

单词	niobium
释义	niobium 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。 Physics niobium铌41Nb｛化｝ Astronomy 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	coal accumulation in lake transgressive systems tract coal accumulation in transgressive systems tract coal accumulation model for barrierless coast coal accumulation system coal alkylation coal and gas co-production coal and gas outburst coal and rock support machinery coal as fuel coal ball coal balls coal-based alcohols and esters coal-based chemical coal-based ester synthesis coal-based ethanol synthesis coal-based fuel coal based methanol coal-based methanol coal-based methanol; ether mixed fuel coal-based methanol synthesis coal-based mixed alcohols synthesis coal-based oxygenates synthesis coal basin coal basin analysis coal-bearing coefficient

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。