To add a little calcium alginate into boric acid cross-linkedpolyving akohol(PVA)and permeate active sludge culture into the mix, and at last apply the mix on carrier to make film.

在加入少量藻酸钙盐的条件下，用硼酸交联聚乙烯醇（PVA），活性污泥培养物渗于其内，将其涂于载体上被固定成膜。

youdao

To add a little calcium alginate into boric acid cross-linkedpolyving akohol(PVA)and permeate active sludge culture into the mix, and at last apply the mix on carrier to make film.

在加入少量藻酸钙盐的条件下，用硼酸交联聚乙烯醇（PVA），活性污泥培养物渗于其内，将其涂于载体上被固定成膜。

youdao