膜分离的分类基本依据是分子大小。
Classification of membrane separations is based primarily on molecular size.
微粒物质包括从分子大小到直径大于10微米的粒子。
Particulate matter includes particles from molecular size to greater than 10mm in diameter.
主要受染料分子大小、染料溶液与木材的亲和性等因素制约。
The main factors are size of stain molecule, affinity between stain solution and wood, etc.
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