内标元素 meaning in English
internal standard element
Examples
- The main contents are as followings : ( 1 ) the rules of choosing characteristic lines of fe and ni elements in the cu - pb alloy are investigated ; ( 2 ) the characteristic line of the impurity element and that of the reference element makes up a line pair . the intensity ratio of the line pair measured as an y - axis and the corresponding concentration ratio as x - axis , calibration curves for composition analysis is fitted at the 4 kinds of buffer gases
Q )采用内标法,由样品中杂质元素的分析线和内标元素参考线组成分析线对,对五种不同的铅黄铜样品,实验通过测定了杂质元素分析线队的强度比,以分析线对的强度比为纵坐标、分析线对所对应元素的含量比为横坐标,拟合出了一系列在四种缓冲气体中的定标曲线。