This paper has introduced the background, theory of the hydrogel, and the common hydrogel PVA and SA.
本文介绍了凝胶的背景、理论以及常见水凝胶pva、SA。
The transport of ethanol and water in pervaporation membranes prepared from natural polymer-sodium alginate (SA) with polyvinyl alcohol (PVA) was studied.
制备了天然高分子海藻酸钠与PVA的不同比例共混膜，并用于渗透汽化法分离乙醇-水混合物。
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