污水中的营养物确实会加快港口的海藻生长。Sewage nutrients do increase algal growth in the harbour.上游的城市将污水排放到河里。Cities upstream use the river to get rid of sewage.黏稠的棕黑色污水在尸体周围流动着,非常恶心。The water moved darkly around the body, unpleasantly thi...
通过微囊化技术 、 外包及混合造粒都可以提高CNN的稳定性.By microencapsulation, envelopment and mixing granulation, the stability of the CNN can be improved.用高压静电成囊装置制备藻酸钠 - 多聚赖氨酸 - 藻酸钠 ( APA ) 微囊化细胞.Alginate - polylysine - alginate ( APA ) microe...