photoelectron spectrum

例句：

1. 1.The photoelectron spectrum of the sample was analyzed to determine its chemical composition.
   通过分析样品的光电电子谱来测定其化学成分。
2. 2. The researcher used a spectrometer to analyze the photoelectron spectrum of the sample.
   研究者使用一台分光计分析了样品的光电电子谱。
3. 3. The photoelectron spectrum of the sample showed a strong peak at 500 nm, indicating that it contains a high concentration of mercury.
   样品的光电电子谱显示在500纳米处有一个强峰，表明它含有高浓度的汞。