V2EX alumina

Alumina

释义 Definition

氧化铝(化学式 AlO)。一种白色或近白色粉末/固体,是铝土矿精炼后的主要产物,也是生产金属铝、陶瓷、耐火材料和磨料的重要原料。(也常用于化工与材料科学语境中指“高纯氧化铝”材料。)

发音 Pronunciation (IPA)

/lumn/

例句 Examples

Alumina is used to make aluminum.
氧化铝用于制造金属铝。

The catalyst’s surface area increases after it is coated with porous alumina, improving reaction efficiency at high temperatures.
在其表面涂覆多孔氧化铝后,催化剂的比表面积增加,从而在高温下提高了反应效率。

词源 Etymology

alumina 来自拉丁语系:源头与 alumen(“明矾”)相关,历史上“明矾”与含铝化合物的制备联系紧密。后来在化学命名中,alumina 专指“铝的氧化物”(氧化铝,AlO),并在工业与材料领域中广泛使用。

相关词 Related Words

文学作品 Literary Works

  • Silent Spring(Rachel Carson):在讨论工业化学品与环境影响时,涉及多种无机物与工业材料的背景语汇中可见该词。
  • The Periodic Table(Primo Levi):以化学元素与物质为主题的散文/回忆作品中,常出现包括氧化物在内的材料与化学术语(语境相关)。
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