atomic adsorption

例句：

1. 1. Atomic absorption spectroscopy (AAS) is a method used to determine the concentration of heavy metals in water samples.
   原子吸收光谱法是一种用于测定水样中重金属浓度的方法。
2. 2. The atomic absorption spectrometer was used to analyze the chemical composition of the sample.
   原子吸收光谱仪被用来分析样品的化学成分。
3. 3. In atomic absorption spectroscopy, the sample is heated and the atoms are excited by a beam oflight.
   在原子吸收光谱学中，样品被加热，并通过一束光激发原子。