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纤维和细小纤维悬浮于水中时，由于半纤维素、氧化纤维素和氧化木素上某些功能基的离子化，导致纤维带有负电荷。
Wood fibres and fines in an aqueous system are negatively charged due to ionization of functional groups associated with hemicellulose, oxidized cellulose and oxidized lignin.
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