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| Name：RogerFrisa | 15, Sep, 2025 03:13:34 | |
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whereas thermal degradation IS predominantly bulk orientated. The use of trifluoroacetic anhydride as a hydroxyl tagging agent has been investigated on cellulosic materials. Incomplete esterification of the hydroxyl groups occurs.. And the distance from the egg to the scalp is important. The eggs [u | |
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