Influence of ultrasound pretreatment on wood physiochemical structure
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Ultrasound pretreatment is a good way to modify the physiochemical structure of wood.

Ultrasound pretreatment decreases the alkali metals content such as calcium and magnesium in samples.

Ultrasound pretreatment increases the crystallinity of samples from 31.8% to 35.5%.

Ultrasound pretreatment could change the thermal properties of samples.

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