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Structure of freeze - dried LMBC powder was confirmed by FTIR.
LMBC 冷冻干燥 后经红外光谱确证了其结构.
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Relative molecular mass ( MM ) and molecular mass distribution ( MMD ) of LMBC were tested by gel filtration chromatograghy ( GFC ).
用凝胶过滤色谱仪 ( GFC ) 测定了其相对分子质量及其分布.
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