硫酸盐木素经常压和加压磺化改性后，其红外光谱特征有明显改变。
The infrared spectrum of sulfate ligins is distinctly changed after they are sulfonated and modified under an ordinary pressure or a compression.
本文对滴流床中压加氢生产木糖醇的工艺进行了研究。
The hydrogenation of xylose aqueous solution has been studied in pressure elevated trickle bed reactor.
其分支断裂帕西木断裂在中更新世之后，由正断层变为压性断层。
Its branched fault, the Paximu fault, has changed to compressive fault from tensional one after the Middle Pleistocene.
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