quaternary ionisation

例句：

1. 1.The study of quaternary ionization is crucial for understanding the behavior of heavy metals in soil.
   研究四价离子化对于理解重金属在土壤中的行为至关重要。
2. 2.In this experiment, we will investigate the quaternary ionization process of ammonia and its effect on the environment.
   在这个实验中，我们将研究氨的四价离子化过程及其对环境的影响。
3. 3. The quaternary ionization technique has been widely used in environmental monitoring to detect trace amounts of pollutants.
   四价离子化技术在环境监测中被广泛使用，用于检测微量污染物。