nitrate nitrogen信息详情
[肥料]硝态氮;硝酸盐氮
nitrogen───n.[化学]氮
nitrate───n.硝酸盐;v.用硝酸处理
caesium nitrate───n.硝酸铯
nitrogen species───形态氮
sodium nitrate───[无化]硝酸钠;n.硝酸钠
nitrogen fertilizer───[肥料]氮肥;氮肥肥料;氮肥(料)
potassium nitrate───[无化]硝酸钾;n.硝酸钾
cerous nitrate───硝酸铈
ammoniacal nitrogen───氨态氮;[化] 氨型氮
concerned how to decrease the nitrate nitrogen content in vegetable increasingly.───如何降低蔬菜中的硝态氮含量受到人们日益广泛的关注。
The final reduction product of nitrate nitrogen is ammonia nitrogen.───硝酸盐氮的最终还原产物为氨氮。
Nitrate nitrogen removal from ground water by autotrophic denitrification in a packed bed reactor.───床自养反硝化去除地下水中的硝酸盐氮。
Compare with nitrate nitrogen, ammonia can be assimilated to amide and amino acid around roots and absorbed directly.───与硝态氮不同,氨态氮可以在根部形成酰胺、氨基酸而被直接利用。
Fertilizers. Determination of nitrate nitrogen content. Nitrogen gravimetric method.───肥料.硝酸氮含量的测定.氮重力计法
The results showed that the increase of nitrate-nitrogen resulted from biological nitrification of ammonia-nitrogen.───研究表明,微污染水源水生物处理工艺中硝酸盐氮的增加是氨氮生物硝化的结果;
Nitrate nitrogen removal from ground water by autotrophic denitrification in a packed bed reactor.───固定床自养反硝化去除地下水中的硝酸盐氮。
Nitrate nitrogen accelerates growth, ammonium nitrogen inhibits growth, the depression effect of ammonia chloride is obvious.───硝态氮促进生长,铵态氮抑制生长,氯化铵抑制效应明显。
Chemical methods mostly reduce nitrate nitrogen by catalysis reaction with metal ions, which easily lead to a secondary pollution.───化学方法多利用金属对硝酸盐氮进行还原,速度快成本低,但容易引起二次污染。
At the same time, the efficiency of COD removal was 87.24%, which demonstrates the coinstantaneous removing of both organic and nitrate nitrogen.
In many plants, including most tree crops, nitrate nitrogen does not usually occur in the leaves.
It is the relative simple, safty, effective method that reduction of sodium thiosulphate instead of chromium power in determination of nitrate nitrogen in fertilizer.
Experimental results show that the supported nano zero-valent iron can rapidly reduce nitrate nitrogen.
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