芳香族烴類 的英文怎麼說

中文拼音 [fāngxiāngtīnglèi]
芳香族烴類 英文
aromatic hydrocarbon
  • : Ⅰ形容詞1. (香) fragrant; sweet-smelling2. (美好的) good (name or reputation); virtuous Ⅱ名詞(姓氏) a surname
  • : Ⅰ形容詞1 (氣味好聞) fragrant; sweet smelling; aromatic; scented:稻香千里 the fragrance of ripen...
  • : 名詞1 (家族) clan 2 (古代的一種酷刑) a death penalty in ancient china imposed on an offender ...
  • : 名詞[化學] (碳氫化合物) hydrocarbon
  • : Ⅰ名1 (許多相似或相同的事物的綜合; 種類) class; category; kind; type 2 (姓氏) a surname Ⅱ動詞...
  • 芳香 : fragrant; aromatic; sweet fragrance
  1. Fifty - one and nineteen compounds were detected respectively from the volatile extracts of the fossils from miocene leaves of metasequoia glyptostroboides and early cretaceous seed cone of pityostrobus spp. by gas chromatography - mass spectrometry ( gc - ms ) analysis

    摘要採用氣相色譜質譜聯用分析技術從中新世水杉葉片和白堊紀松型球果兩種裸子植物化石中分別鑒定了51個和19個揮發性成分,型涉及烷、烷烯、烷醇、長鏈脂肪酸及其酯、鄰苯二甲酸酯、菇化合物。
  2. It will melt in a certain range of melting points, but it has no definite melting point. soft pitch has no thermal effect when solidified

    瀝青組分極為復雜,大多數為三環以上的芳香族烴類,還有含氧、氮和硫等元素的雜環化合物和少量高分子炭素物質。
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