1) atmospheric nitrogen
大气氮
1.
Spatio-temporal distributions and sources of atmospheric nitrogen(N) in precipitation were examined for Jiulong River Watershed(JRW),an agricultural-dominated watershed located in southeastern China with a drainage area of 1.
通过2004~2005年对位于我国东南沿海的九龙江流域及周边共17个站点的实地观测,运用GIS技术定量揭示了大气氮湿沉降强度和时空分布特征,并利用氮稳定同位素分析雨水硝态氮的主要来源。
2) atmospheric nitrogen deposition
大气氮沉降
1.
Observation of atmospheric nitrogen deposition into forestland;
林地大气氮沉降的观测研究
2.
δ~(13)C and δ~(15)N of moss (Haplocladium microphyllum (Hedw.) Broth) for indicating habitats difference and canopy retention on atmospheric nitrogen deposition;
碳氮稳定同位素指示苔藓生境特征以及树冠对大气氮沉降的吸收
3.
Quantification of atmospheric nitrogen deposition at Guiyang area based on nitrogen concentration of epilithic mosses
基于石生藓类氮含量的贵阳地区大气氮沉降
3) atmospheric N deposition
大气氮沉降
1.
Mosses δ 15N showed that atmospheric N deposition was dominated by ammonium(NHx),which was mainly derived from city sewage NH3 release and agricultural NH3 in rural area.
苔藓δ15N表明贵阳地区大气氮沉降以铵沉降为主,主要来源为城市废水氨释放以及农村地区的农业氨挥发。
2.
Based on sand culture in pot experiment with depleted 15N,the amount of uptake of atmospheric N deposition including direct uptake by wheat plant reached (14.
21)%;收获后水稻植株不同部位15N丰度值以根部最高,茎叶次之,籽粒最低,这与植株体内养分的运移顺序变化一致;贫化15N小麦砂培试验测定的包括植株直接吸收在内的大气氮沉降数量为N(14。
5) fixation of atmospheric nitrogen
大气氮固定
6) fixation of atmospheric nitrogen
大气氮素固定
补充资料：青海瓦里关大气基准观象台的大气二氧化碳监测系统
青海瓦里关大气基准观象台的大气二氧化碳监测系统
青海瓦里关大气基准观象台的大气二氧化碳监测系统 温玉璞摄
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条