The water reducing agent of cement was prepared via sulfonation of semi-chemical pulping black liquor.

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。

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Especially , which is suitable for the wate pulp that no strict requirement and semi-chemical pulp production.

特别适用于精选要求不很高的瓦楞纸废纸浆、半化学浆的生产。

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Thus it is possible to substitute NaOH semi chemical pulp with SCMP for Quercus.

因此以柞木为原料用SCMP制浆方法取代苛性钠法半化学浆是可行的。

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This week, Turkey's semi-official Anatolian Agency reported that a special chemical, biological, radiation and nuclear research vehicle had been deployed to one of the busiest border gates between Turkey and opposition controlled Syria.

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