V2EX noncovalent

Noncovalent

定义 Definition

noncovalent(非共价的):指不通过共价键(共享电子对)连接,而是依靠较弱的相互作用力(如氢键、静电作用、范德华力、疏水作用等)形成的结合或相互作用。常见于化学、生物化学与分子生物学语境。(也可指“非共价相互作用/非共价结合”。)

发音 Pronunciation (IPA)

/nnkovlnt/

例句 Examples

Noncovalent bonds are usually weaker than covalent bonds.
非共价键通常比共价键更弱。

Protein folding depends on many noncovalent interactions, including hydrogen bonds and hydrophobic effects.
蛋白质折叠依赖许多非共价相互作用,包括氢键和疏水效应。

词源 Etymology

non-(“非、不”)+ covalent(“共价的”)构成。covalent 来自 **co-**(“共同”)+ valent(“价的/有结合能力的”),与化学中的“价(valence)”概念相关;整体字面意思即“不是通过共价方式结合的”。

相关词 Related Words

文学作品 Literary Works

该词主要用于科学写作与教材中,在传统文学作品中出现较少。常见于以下类型的权威著作与教材(以英文科学写作为主):

  • Molecular Biology of the Cell(细胞分子生物学教材中频繁讨论非共价相互作用)
  • Lehninger Principles of Biochemistry(生物化学教材中用于解释蛋白质结构与分子识别)
  • Introduction to Protein Structure(蛋白质结构相关著作中常见)
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