【语法教室】absorption与adsorption

absorptionadsorption这两个名词经常混淆。在此,我给出了这两个术语用于不同科学领域时的定义并用例句说明其正确用法。

absorption

  • 用于生物学时的定义:吸收是指一种扩散驱动的过程,可使某种物质穿过细胞膜进入细胞内;
  • 用于化学和物理学时的定义:吸收是指某种物体或物质吸入另一种物体或物质并将其包含在自己边界内的过程;
  • 用于物理学时的定义:吸收是指某种物体或物质将能量吸入并将其包含在自己边界内的过程。

以下例句说明了如何正确使用absorption这一名词及其动词形式,absorb

  • We study the absorption of radiation in Earth’s atmosphere.
  • The absorption of water by leaves is treated in Winter’s book.
  • They measured the rate of absorption of the drug into the bloodstream.
  • When the polymer melt exhibiting hexagonal structure absorbs a solvent of this class, it first swells, retaining its hexagonal structure, and then exhibits a transition to a disordered state at a critical solvent density.

adsorption

  • 吸附是指液体分子粘附在某个物体表面的过程。

以下例句说明了如何正确使用adsorption这一名词及其动词形式,adsorb:

  • Here we are chiefly concerned with reducing adsorption of nitrogen on the surfaces of the test masses.
  • When biomaterials are introduced into biological media, proteins adsorb onto the material surface.
  • In many cases, adsorbed molecules can form only a single layer, and hence adsorption ceases when the surface of the adsorbent is covered. However, there are situations in which multiple adsorption layers can form.

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