And the test shows that the using condition of modified zirconium spinel brick is more bad than direct-bonded magnesia brick but as for chrome periclase-spinel compound brick (LYC) it is better.

试验表明，加锆改性尖晶石砖的使用情况较直接结合镁铬砖差，而加铬方镁石复合尖晶石砖(LYC砖)的使用效果好于直接结合镁铬砖。

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By using fused magnesia and sintered spinel as main materials and sulphite liquor as binders, magnesium compound side gate was researched.

以优质电熔镁砂、烧结镁铝尖晶石为主要原料，采用纸浆废液作为结合剂研究镁质复合滑板材料。

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