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.
半化学浆黑液进行磺化改性制备水泥减水剂，并对改性工艺进行优化。
The water reducing agent of cement was prepared via sulfonation of semi-chemical pulping black liquor.
通过磺化改性，制备了磺化聚苯乙烯（SPS）作为油井水泥降失水剂。
The sulfonated polystyrene (SPS) has been prepared by sulfonation reaction of the polystyrene, which is used as a filtrate reducer for oil well cement slurry.
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