photochemical activation

例句：

1. 1. Photochemical activation is a process that occurs when sunlight interacts with certain chemicals in the presence of oxygen.
   光化学活化是一种过程，当阳光与某些化学物质在氧气存在下相互作用时发生。
2. 2.The study of photochemical activation has important applications in environmental science and technology.
   光化学活化的研究在环境科学和技术中有重要的应用。
3. 3.During photochemical activation, the energy from sunlight is converted into chemical energy, which can then be used to power devices or produce fuels.
   在光化学活化过程中，来自阳光的能量被转换成化学能，然后可以用于驱动设备或生产燃料。