... accommodate供应 chromophoric groups发色基团 velocity速度、速率 ...
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The infra-red spectra showed that the main chromophoric groups (conjugated carbonyl groups) were destroyed by bleaching agents, which was the main reason of brightness incremsent.
红外光谱表明，主要发色基团（共轭羰基）被漂剂破坏，这是提高浆白度的主要原因。
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