chemical fixation

例句：

1. 1.The chemical reaction between the two substances is very complex.
   两种物质之间的化学反应非常复杂。
2. 2. The chemical fixation of carbon dioxide in the atmosphere has a significant impact on climate change.
   大气中二氧化碳的化学固定对气候变化有显著影响。
3. 3. During the chemical fixation process, the atoms are rearranged to form new compounds.
   在化学固定过程中，原子被重新排列以形成新的化合物。