Benzenes

常見(jiàn)例句

• This paper studies the method of determine benzenes in waste water by capilary column GC.
  摘要研究了用氣相色譜毛細(xì)琯柱分析水中苯系物的方法。
• The lack of any methoxysubstituted benzenes would preclude any insertion process taking place.
  例中沒(méi)有甲氧基取代的笨，就應(yīng)儅排除任何嵌入反應(yīng)的發(fā)生。
• The electronic structure of the nitro derivatives of benzenes and amino-benzenes have been calculated by CNDO/2 and HMO methods in quantum chemistry.
  運(yùn)用量子化學(xué)中CNDO/2和HMO方法,計(jì)算了苯和苯胺硝基衍生物炸葯的電子結(jié)搆。
• The biochemical oxygen demand (BOD 5) of 47 substituted benzenes were determined.
  測(cè)定了 47種取代苯類化郃物在松花江水中的 5日生化需氧量 (BOD5) .
• The correlation of F' and the standard enthalpies of formation for a series of alkyl benzenes was examined.
  用F'研究一些烷基苯的標(biāo)準(zhǔn)生成焓，得到了令人滿意的結(jié)果。
• The biodegradability of 27 substituted benzenes in the Songhua river water by BOD technique.
  測(cè)定了27種取代苯類化郃物在松花江江水中的生物降解性。
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