Hardening and the strength of ferrite phase pastes doped with small amount of foreign constituents and the change of paste structure and properties in the presence of ch have been studied.

研究了掺有少量异组份的铁相浆体的硬化、强度及掺加ch后浆体结构和性能的变化。

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The addition of the treated chromic refuse with proper amount of sodium sulfate into cement paste has shown an important role in quicker water absorption and earlier hardening.

处理后铬渣加入适量硫酸钠，渗入水泥砂浆中可以起到早强减水作用。

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