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- In addition, the effect of nitrogen status on leaf SPAD was quantified by the value of leaf nitrogen concentration, and the relationship between SPAD and RGB was described with linear equation. 并基于叶片氮含量表达了氮素供应水平对叶片SPAD值变化规律的影响，同时用线性方程描述了叶片SPAD值与RGB值之间的定量关系。
- Quantitative Relationship between Leaf Nitrogen Concentration and Canopy Reflectance Spectra 小麦叶片氮含量与冠层反射光谱指数的定量关系
- Quantitative relationship between leaf nitrogen concentration and canopy reflectance spectra in rice and wheat 稻麦叶片氮含量与冠层反射光谱的定量关系
- Leaf nitrogen concentration 叶片氮含量
- Change of phosphorus and nitrogen concentration in the leakage loss. 渗漏流失氮磷浓度的变化。
- Leaf nitrogen content induces remarkable effect on chlorophyll and soluble protein content. 叶片氮含量对叶绿素与可溶性蛋白含量会产生明显的影响。
- The results showed that leaf nitrogen accumulation was exponentially related to leaf SPAD values and linearly related to canopy spectral reflectance. 结果表明，小麦抽穗后叶片氮积累量也叶片SPAD值、冠层反射光谱分别呈显著的指数和线性相关；
- Higher triacylglyceride content in the lipid was observed at low nitrogen concentration. 在低氮源浓度下,油脂中三酸甘油脂之含量较高。
- Wang S H, Liu S H, Wang Q S, Ding Y F, Huang P S, Ling Q H.Relationship between yield formation and leaf nitrogen content and color in rice plant. 王绍华;刘胜欢;王强盛;丁艳锋;黄丕生;凌启鸿.;水稻产量形成与叶片含氮量及叶色的关系
- While the nitrogen concentration was 2 mg/ L,this effect was no significant different between the periphyton and phytoplankton. 而当氮浓度较低时(2 mg/L),浮游藻类与附着藻类对N/P的响应则没有显著的差异;
- Cumulative removal ratio of nitrogen was closely related with nitrogen concentration，working time and biomass of periphyton. 附着生物对水柱中氮的累积去除率和水柱中氮的浓度、附着生物的生物量以及附着生物作用时间密切相关。
- Abstract: CH3Cl is usually used as microbe activity inhibiter in soil system for nitrogen concentration variation study. 摘要：氯仿是土壤的营养物释放实验中常用的微生物活性抑制剂。
- Results indicate that the optical band gap of the CN x films is decreased with the increasing nitrogen concentration, accompanied with the reflectance increase of the films. 结果表明：随着薄膜中氮含量的增加，碳氮薄膜的光学禁带宽度减小，红外反射率增加。
- The nitrogen concentration and nitrifying bacteria in the soils treated with 30% organic matter or traditional fertilization were higher than those in the other soils. 施用30%25有机肥和习惯施肥处理的氮素养分和硝化细菌数量较多，硝化细菌数量与有机质含量也无相关；
- The nitrogen concentration and nitrifying bacteria in the soils treated with 30% organic matter or traditional fertilization were higher than the other soils. 施用30%25有机肥和习惯施肥处理的氮素养分和硝化细菌数量较多，硝化细菌数量也不与有机质含量相关；
- leaf total nitrogen concentration 叶片全氮浓度
- Canopy leaf nitrogen content(CLNC) 冠层叶片氮素含量（CLNC）
- Influence of different nitrogen concentrations on the growth and physiological characteristics of Chlorococcum sp. 不同氮浓度对绿球藻生长及生理特性的影响。
- CN x films on silicon (111) wafer, quartz and Ti/C substrate with nitrogen concentration up to 20 at% have been prepared by a new plasma deposition technique, filtered arc deposition. 本文采用真空磁过滤弧沉积技术，在Si（111）、石英及Ti/C衬底上制备得到非晶碳氮（CNx）薄膜。
- The analysis of nitrogen concentration changes in each section through LD-LF-VD-CC pipeline steelmaking process indicates that the most important process of nitrogen content controlling is the BOF tapping process and LF refining process. 针对鞍钢-炼钢LD-LF-VD-CC的管线钢冶炼工艺,对炼钢各工序氮含量变化进行取样分析。
