超滤膜的孔径在数个纳米到数十个纳米的范围内，主要被用于分离胶体物质和分子量大于500的大分子。
Membrane pore size in a few nanometers to tens of nanometer range, the main material used for separation of colloidal and molecular weight of more than 500 molecules.
凝集作用从亲液胶体中分离出的一串微粒。
由于分离胶加注时处于真空状态条件，防止了加胶过程中空气进入到胶体中产生气泡。
Due to are at vacuum conditions when separating gel add, prevent with add glue process air into the colloid produce bubbles.
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