V2EX polycyclic aromatic hydrocarbon

Polycyclic Aromatic Hydrocarbon

释义 Definition

多环芳香烃(PAH):由两个或以上相互连接的芳香环组成的烃类化合物,常在煤、石油、木材等不完全燃烧过程中生成;其中一些具有致癌性或致突变性。

发音 Pronunciation

/plisaklk rmtk hadrkrbn/

例句 Examples

Polycyclic aromatic hydrocarbons can be found in cigarette smoke.
多环芳香烃可能存在于香烟烟雾中。

After the wildfire, researchers measured polycyclic aromatic hydrocarbon levels in nearby soil and river sediment to assess long-term contamination.
野火过后,研究人员测量了附近土壤和河流沉积物中的多环芳香烃含量,以评估长期污染情况。

词源 Etymology

该术语由四部分构成:**poly-**(多)+ cyclic(成环的)+ aromatic(芳香族的,指具有芳香环结构)+ hydrocarbon(烃,指只含氢和碳的化合物)。整体字面义即“多环的芳香族烃”,属于化学与环境科学中的标准命名。

相关词 Related Words

文献与著作 Literary / Notable Works

  • IARC Monographs on the Evaluation of Carcinogenic Risks to Humans(国际癌症研究机构专著系列,多卷涉及PAHs,如与某些多环芳香烃相关的致癌性评估)
  • *ATSDR Toxicological Profile for Polycyclic Aromatic Hydrocarbons (PAHs)*(美国有毒物质与疾病登记署:PAHs毒理学概况)
  • Environmental Organic Chemistry(Schwarzenbach, Gschwend, Imboden:环境有机化学教材,讨论PAHs的环境行为与归趋)
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