V2EX nanoparticle

Nanoparticle

释义 Definition

纳米颗粒;纳米粒子:尺寸通常在约 1100 纳米范围内的极小颗粒。由于尺度极小,它们常表现出与宏观材料不同的性质(如更高的反应活性、特殊的光学/电学行为等)。在材料科学、医学、环境与电子领域常见。(在某些语境下也可泛指“极微小的颗粒”。)

发音 Pronunciation (IPA)

/nnoprtkl/

例句 Examples

Nanoparticles are used in some sunscreens to block UV light.
纳米颗粒被用于一些防晒霜中,用来阻挡紫外线。

Researchers engineered a nanoparticle that can deliver medicine directly to tumor cells, reducing side effects.
研究人员设计了一种纳米粒子,可以将药物直接递送到肿瘤细胞,从而减少副作用。

词源 Etymology

nanoparticle 由 **nano-**(“纳米的、十亿分之一尺度”,源自希腊语 nanos,意为“矮小/侏儒”)+ particle(“颗粒、微粒”,来自拉丁语 particula,“小部分”)构成,字面意思就是“纳米尺度的微粒”。该词随着 20 世纪后期纳米科学与纳米技术的发展而广泛使用。

相关词 Related Words

文学作品中的用例 Literary Works

  • Michael Crichton, Prey(2002)小说以“自我复制的纳米颗粒/纳米群体”等概念推动情节,常出现与 nanoparticle(s) 相关的科学语汇。
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