知识贝壳
知识贝壳
所属栏目：英汉双解生物学
Maintenance of the optimum pH of body fluids by regulating theacid; base ratio. This usually involves abuffer system (see buffer). For examplemammalian blood must be maintained at apH of7.4,which requires a ratio of carbonicacid to bicarbonate of 1∶20; an ......（本文共 501 字 ） [阅读本文] >>