方镁石的水化是轻烧氧化镁膨胀的理论基础。
The hydration of periclase in the magnesia is the theoretical basis for its expansion.
而且，此前在太空尘埃中还未侦测到刚玉和方镁石。
Moreover, corundum and periclase have not been detected in space dust before.
转炉冶炼过程中所形成的游离氧化钙和方镁石是影响钢渣长期不稳定性的主要因素。
The free calcium oxide and the periclase formed in the converter smelting process are primary factor affect the steel slag long-term unstable.
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