... nitric acid quenching 硝酸淬火 nitric nitrogen 硝酸态氮 nitric oxide separator 氧化氮分离器...
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nitric nitrogen fertilizer 硝酸态氮肥
soil nitric nitrogen 土壤硝态氮
nitric nitrogen in soil 土壤硝态氮
Nitric Oxide in Nitrogen 氮气中氧化氮 ; 氮中一氧化氮
Nitric oxide Nitrogen Monoxide 一氧化氮
nitric acid nitrogen 硝酸盐氮
Nitric nitrogen in greenery vegetable exceed level I standard, pollution index is up to 3.50;
叶菜类中硝酸盐含量均超过一级标准，污染指数高达3.50，污染最重；
The excessively high proportion ammonium nitrogen does not avail the enhancement of tobacco leaf mean price, it is highest if matched by 75% nitric nitrogen and 25% ammonium nitrogen;
过高的比例施用铵态氮不利于烤烟均价的提高，以75％的硝态氮和25％铵态氮配施烤烟均价最高；
Water vapor in the air combines with nitrogen and forms nitric acid.
水汽在空气中用氮和表格氮的酸联合。
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