anthracite
英 [ˈæn.θrə.saɪt]
美 [ˈæn.θrə.saɪt]
- n. [矿物] 无烟煤
记忆方法
将“anthracite”拆分为“anthra-”和“-cite”，其中“anthra-”可以联想为“anthropo-”（人类的），而“-cite”可以联想为“cite”的过去式“cited”，意味着被广泛引用。所以，“anthracite”可以想象为像人类一样，被广泛引用的煤炭，这是一种高品质的煤炭，用来形容其优质和受推崇。
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中文词源
anthracite 无烟煤
来自希腊词anthrax, 炭，煤。
英语词源
- anthracite (n.)
- "non-bituminous coal," 1812, earlier (c. 1600) a type of ruby-like gem described by Pliny, from Latin anthracites "bloodstone, semi-precious gem," from Greek anthrakites "coal-like," from anthrax (genitive anthrakos) "live coal" (see anthrax). Related: Anthractic (adj.).
权威例句
- 1. Not until 1916 did the UMW finally win recognition from the anthracite operators.
- 直到1916年,美国矿工联合会才终于得到无烟煤矿资方承认.
- 2. The organic affinity of trace elements decreases further in anthracite.
- 到无烟煤阶段,有机态微量元素含量进一步降低.
- 3. Anthracite char has poor pore structure and small specific surface area.
- 无烟煤焦分支孔贫乏,比表面积很小.
- 4. Taixi anthracite with high quality calcining is also suitable raw material.
- 宁夏太西煤只要控制好煅烧质量,也是生产微孔炭砖的优质原料.
- 5. To anthracite, adopting off - line type CDC calciner is more reasonable.
- 尤其是针对无烟煤, 采用离线型CDC分解炉更为合理.