The first slide is a spectrum made in the laboratory of hydrogen, helium and calcium and sodium.
第一章幻灯片是在,实验室里氦，氦钙以及钠的光谱。
2
The structure of prism spectrometer modeled WPL and the spectrum characteristics of sodium atom are analyzed.
分析了WPL型棱镜摄谱仪的结构及拍摄的钠原子光谱的特征。
3
OBJECTIVE Explore a scientism of the best condition to define the Sodium Ferulate infrared spectrum to identification preparing disc in order to get the best qualitys infrared spectrum.