V2EX lignite

Lignite

定义 Definition

lignite(褐煤):一种煤化程度较低的煤,通常呈褐色、含水量较高、热值较低,介于泥炭(peat)与烟煤(bituminous coal)之间,常用于发电等用途。

发音 Pronunciation (IPA)

/lnat/

例句 Examples

Lignite is often used to generate electricity.
褐煤常被用来发电。

Because lignite contains more moisture than harder coals, it produces less energy per ton and can be harder to transport efficiently.
由于褐煤比更高等级的煤含水量更高,它每吨产生的能量更少,也可能更难以高效运输。

词源 Etymology

lignite 来自拉丁语 lignum(“木头”),因为褐煤在形成与外观上常被认为与“木质化”的沉积物有关,早期人们也常把它理解为“接近木头的煤”。

相关词 Related Words

文学作品中的用例 Literary Works

  • mile Zola《Germinal》(《萌芽》):作品以煤矿生活为核心背景,常涉及不同煤种与采煤环境(包含对低等级煤的讨论语境)。
  • Upton Sinclair《King Coal》(《煤王》):以煤矿工业与劳工为主题,语境中会出现包括褐煤在内的煤与燃料相关词汇。
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