叶片氮浓度
leaf nitrogen concentration
叶片全氮浓度
leaf total nitrogen concentration
氨氮浓度
Ammonia nitrogen density
NH3-N concentration
Ammonia concentration
Ammonia-nitrogen Concentration
NH3—N concentration
Concentration of ammonia nitrogen
氨基酸态氮浓度
concentration of amino acid nitrogen
表面碳氮浓度
Surface layer Concentration of C and N
氮浓度分布
distribution of nitrogen concentration
nitrogen concentration profile
高浓度氮气
pure N2 concentration atmosphere
临界氮浓度
Critcal nitrogen concentration
Critical nitrogen concentration
土壤环境氮浓度
Soil nitrogen concentration
硝态氮浓度
nitrate nitrogen concentration
nitrate-N concentration
血清尿素氮浓度
urea nitrogen concentration in blood
一氧化氮浓度
concentration of nitric oxide in free stream