金属铌 meaning in English

unalloyed niobium

Firstly , eels of uranium and niobium with different energy electrons or energy resolution has been obtained in auger electron energy spectroscopy instrument , in order to study their influence on eels . else , oxidations of niobium at different exposure pressure of oxygen have also been studied
首先，实验分析了不同入射电子能量和能量分辨率分别对清洁表面铌和铀的eels的影响，以及不同氧暴露气压对金属铌初始氧化过程的影响。