1) Accumulation of inorganic nitrogen
无机氮积累
2) soil inorganic nitrogen accumulation
土壤无机氮累积
1.
The effects of nitrogen application rates on the productivity,nitrogen uptake and utilization,and soil inorganic nitrogen accumulation were investigated in faba bean/maize intercropping system through field experiment conducted in Hexi Corridor of Gansu Province.
通过河西走廊灌区田间试验,对不同施氮水平下蚕豆/玉米间作系统的生产力、氮素吸收利用率及土壤无机氮累积量进行了研究,并利用线性加平台模型探讨了间作系统的经济生态施氮量。
3) nitrogen accumulation
氮素积累
1.
Effects of nitrogen fertilization on nitrogen accumulation of seeds and shell in rapeseed cultivar Yangyou 4(Brassica napus L.);
施氮对油菜籽粒和果壳中氮素积累的影响
2.
Characteristics of nitrogen accumulation and its relationship with root growth of rice after transplanting;
水稻栽后植株氮素积累特征及其与根系生长的关系
3.
Effects of nitrogen application at different developmental stages on nitrogen accumulation and translocation in winter wheat
不同时期追氮对冬小麦植株氮素积累及转运特性的影响
4) Water and nitrogen accumulation
水氮累积
5) nitrogen accumulation
氮素累积
1.
Effect of nitrogen applied levels on the dynamics of biomass,nitrogen accumulation and nitrogen fertilization recovery rate of cotton after initial flowering;
氮素水平对初花后棉株生物量、氮素累积特征及氮素利用率动态变化的影响
2.
Genotypic variation of nitrogen accumulation and translocation in japonica rice(Oryza sativa L.)cultivars with different height;
不同株高粳稻氮素累积和转运的基因型差异
3.
The results showed that the dry weight or nitrogen accumulation and nicotine accumulation of each leaf position and of the whole plant had an increasing trend as nitrogen application increased within certain ranges in Jinsha, and they remained basically unchanged when the nitro.
K326)为试验材料,在大田条件下,研究了不同供氮量对烤烟生长、氮素累积和烟碱累积的影响,为优质烤烟生产提供一定的理论依据和技术指导。
6) nitrogen accumulation
氮积累
1.
Effects of low molecular organic acids on nitrogen accumulation,nodulation,and nitrogen fixation of soybean(Glycine max L.) under phosphorus deficiency stress
缺磷条件下低分子量有机酸对大豆氮积累和结瘤固氮的影响
补充资料：氮同位素标记无机化合物
分子式：
CAS号：
性质：氮的标记化合物大都从15NH3、15NH2C1和15NH2CN等无机化合物开始合成。15N的胺盐与KOH反应制备15NH3。15NH4OH水溶液0℃时与NaOCl反应生成15NH2C1，减压蒸馏得15NH2C1，吸收干燥。15NH3的甲醇溶液，加入等当量的CNBr乙醚溶液，结晶析出15NH4Br。真空蒸干滤液得15NH2CN。金属钾与CO2和15NH3加热反应制KC15N。这些标记化合物广泛应用于农业、医学、生物学的研究。
CAS号：
性质：氮的标记化合物大都从15NH3、15NH2C1和15NH2CN等无机化合物开始合成。15N的胺盐与KOH反应制备15NH3。15NH4OH水溶液0℃时与NaOCl反应生成15NH2C1，减压蒸馏得15NH2C1，吸收干燥。15NH3的甲醇溶液，加入等当量的CNBr乙醚溶液，结晶析出15NH4Br。真空蒸干滤液得15NH2CN。金属钾与CO2和15NH3加热反应制KC15N。这些标记化合物广泛应用于农业、医学、生物学的研究。
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