nitrogen

• Baking in air has now been discarded in favour of baking in nitrogen .
  目前在空气中烤焙已被在氮气中烤焙所取代。
• Nitramines are substances which contain a nitro group bonded to nitrogen .
  含有与氮原子相连的硝基的物质称为硝胺。
• 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。
• Nitrogen manuring is essential to get a good yield of cut herbage .
  为了获得刈割牧草良好的产量，使用氮肥是极为重要的。
• 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。
• The nitrate form commonly dominates where liberal nitrogen fertilization is practiced .
  大量施用氮肥的地方，通常硝酸盐占优势。
• 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。
• There is gradual transition from an optimum level into excessive levels of nitrogen .
  从氦素适宜水平进入过量水平的转变是逐渐的。