... 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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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
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。
OCO is a kind of new biochemical process. It has the function of nitrogen and phosphorus removals and realizes the automatic returns of nitric liquid, so it is economical of energy.
OCO是一种新型的生化反应器，具有较强的脱氮除磷功能，可实现硝态液的自动回流，节约能耗。
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