alumina meaning in English
n.
【化学】矾土，铝氧土。
Examples
- 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。 - 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。 - 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。 - 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。 - High alumina refractory bricks for electric arc furnace roofs
炼钢电炉顶用高铝砖