1) isotope buildup
同位素累积
2) isotope buildup
同位素积累
3) heavy-isotope buildup
重同位素积累
4) Synchronous cumulating
同步累积
5) 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
6) 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。
补充资料:氢同位素动力学同位素效应
分子式:
CAS号:
性质:在化学反应过程中反应物本身因同位素取代而改变能态,引起化学反应速度的差异。氢同位素动力学同位素效应很大,α=kH/kD可达2~10左右。0℃时Al4C3与水反应α=3.9,30℃时Fe与H2SO4反应α=6.6。轻水电解时比重水分解速度快,动力学同位素效应随电极材料、电解条件而变,氢-氘的α在3~12之间。当前采用减容电解来制取终浓重水。
CAS号:
性质:在化学反应过程中反应物本身因同位素取代而改变能态,引起化学反应速度的差异。氢同位素动力学同位素效应很大,α=kH/kD可达2~10左右。0℃时Al4C3与水反应α=3.9,30℃时Fe与H2SO4反应α=6.6。轻水电解时比重水分解速度快,动力学同位素效应随电极材料、电解条件而变,氢-氘的α在3~12之间。当前采用减容电解来制取终浓重水。
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