V2EX percolation

PERCOLATION

释义 Definition

(液体)渗滤、渗透、过滤式渗流:指液体通过多孔材料(如土壤、岩石、咖啡粉)缓慢下渗或被滤过的过程。(在科学语境中也可指“渗流作用/渗滤过程”;在日常语境中偶尔也指想法、消息等“逐渐传播/酝酿”。)

发音 Pronunciation

/pklen/

例句 Examples

Water percolation through the soil helps refill groundwater.
水通过土壤的渗滤有助于补充地下水。

In porous rock, percolation can transport dissolved minerals and gradually reshape the chemistry of an underground aquifer.
在多孔岩石中,渗滤作用会搬运溶解的矿物质,并逐渐改变地下含水层的化学性质。

词源 Etymology

Percolation 来自拉丁语 percolāre,由 **per-**(“穿过”)+ 与“过滤”有关的词根构成,原意是“使液体穿过、过滤”。后来在科学与日常英语中引申为“缓慢渗透、逐步扩散”。

相关词 Related Words

文学作品 Literary Works

  • A Sand County Almanac(Aldo Leopold)在描写土壤、水分与生态循环时常涉及“水在土壤中的渗滤/下渗”概念。
  • Walden(Henry David Thoreau)关于自然观察与水体/土地关系的描写中,可见与“渗透、下渗”相关的表达与意象。
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