photochemical isotope separation

例句：

1. 1. The process of photochemical isotope separation is crucial for the study of radioactive decay.
   光化学同位素分离过程对于放射性衰变的研究至关重要。
2. 2. In the field of environmental science, photochemical isotope separation has been widely used toanalyze pollutants in water and air.
   在环境科学领域，光化学同位素分离被广泛用来分析水和空气中的污染物。
3. 3. The researchers developed a new method for photochemical isotope separation that could potentially improve our understanding of the origins of life on Earth.
   研究人员开发了一种新的光化学同位素分离方法，这可能会提高我们对人类起源地的理解。