absorption by impurities的用法和样例：
- Soil water not available for absorption by plants.
- They are stabilized through absorption by clay minerals.
- These may be caused by impurities or inconsistencies in the BPC manufacturing process.
- During the day water loss by transpiration exceeds water absorption by the roots, and leaf water potential decline.
- According to the experiment the correlation quotiety will change after absorption by activity carbon.