activated char

例句：

1. 1. The activated char is used in air purification systems to remove pollutants from the air.
   活化炭被用于空气净化系统中，以去除空气中的污染物。
2. 2.The activated char has a high adsorption capacity for heavy metals and can be used as an effective adsorbent.
   活化炭对重金属具有很高的吸附能力，可以作为有效的吸附剂。
3. 3. The activated char is widely used in industries such as water treatment, environmental protection, and medical treatment.
   活化炭在水处理、环境保护和医疗治疗等领域有着广泛的应用。