氮

• The effect of nitrogen can be overcome by sheathing the flame in argon .
  氮的影响则可以通过用氩气包覆火焰而予以克服。
• It is possible to harness the versatile chemical properties of cyanogen azide .
  氰化叠氮的灵活多变的化学性质是可控制的。
• Nitrogen supply largely controls the growth and fruiting of most plants .
  氮的供应密切地关系到绝大多数植物的生长与结果。
• Nitrogen as a plant nutrient is treated in a great number of publications .
  人们对植物营养中的氮素研究已发表相当大量的报告。
• S-triazine pesticides are rapidly becoming of increasing importance to agriculture .
  S-三氮朵苯农药对农业生产变得越来越重要。
• Some commercial laboratories use periodic nitrate nitrogen tests as guides .
  许多商业性的试验室已应用定期的硝态氮分析作为指导。
• Many surgical complications and disease processes inhibit normal nitrogen anabolism .
  许多外科并发症和疾病抑制正常的氮合成代谢。
• Many groups can be added by nucleophilic substitution on a diazonium salt .
  许多基团可通过向得自胶的重氮盐作亲核取代而加以导入。
• Some attention is also being given to the development of asymmetrical triazines .
  对于不对称的三氮杂苯类的发展也给予很大的重视。