| 1. | After setting, the surfaces of the specimens are ground down using carborundum and alumina .
凝固之后，样品表面连续用金钢砂或氧化铝磨平。
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| 2. | Activated carbon, alumina are often used to remove many types of organic materials from aqueous streams .
常用活性炭，铝矾土来去除废水中各种类型的有机物。
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| 3. | The catalyst vendors came out with a catalyst incorporating a low surface area, high purity alumina carrier .
催化剂出售商供应了一种具有表面积小，纯度高的氧化铝载体催化剂。
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| 4. | One such crystal is the ruby, which contains trivalent chromium ions dispersed in a matrix of alumina .
这样的晶体有一种叫“红宝石”，它包含的三价铬离子弥散在氧化铝的基体中。
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| 5. | High alumina refractory bricks for electric arc furnace roofs
炼钢电炉顶用高铝砖
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| 6. | The acid amp; amp; alkali system in cryolite alumina melts
氧化铝熔体中的酸碱体系
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| 7. | Sintering conditions of q phase - bearing high alumina cement
相高铝水泥的烧成条件
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| 8. | Alumina carbon refractory products for continuous casting
连铸用铝炭质耐火制品
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| 9. | Sg ceramic materials zhengzhou : brown fused alumina
圣戈班陶瓷材料郑州：棕刚玉
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| 10. | Of magnesite , dolomite , alumina and spinels
菱镁矿，白云石，氧化铝和尖晶石的
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