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After fixing, the cell remains activity, and PVA-calcium alginate ball is quite substantial and durable. 細胞經(jīng)固定后仍保持活力，PVA一藻酸鈣鹽珠非常結實耐用。 elec.wanfangdata.com.cn
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. 在加入少量藻酸鈣鹽的條件下，用硼酸交聯(lián)聚乙烯醇（PVA），活性污泥培養(yǎng)物滲于其內，將其涂于載體上被固定成膜。