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- nitrogen efficient coefficient 氮效率系数
- nitrogen efficiency coefficient 氮效率系数
- Bothe the total nutrient quantities and crop yieldswere regressed. As a result,each efficient coefficient was not affected by some relatedsoil nutrients so that the avaerage model in the ecological zone can be established. 以养分总量与作物产量进行回归，其模式各效应系数不受土壤有关养分含量的影响，可以建立生态区的平均模式。
- Effect of plastic film mulching on crop yield and nitrogen efficiency in semiarid areas. 半干旱地区地膜覆盖对作物产量和氮效率的影响。
- Differences also existed in terms of Nitrogen utilization efficiency (NUE) and Nitrogen efficiency ratio (NER) between cultivars and among PGR treatments. 氮利用效率(NUE)和氮效率比(NER)在基因型和不同植物生长剂处理之间存在着显著差异。
- The difference in nitrogen efficiency among 48 cotton varieties was studied in pot experiment by analyzing the plant height, dry matter weight and N content at seeding stage. 摘要通过砂培盆栽试验，分析棉株的株高、干物重以及全氮含量，研究了48个棉花品种苗期氮效率的差异性。
- For example, the efficiency coefficient of power station is an important parameter in the STOD model, whereas the correlative study is very seldom. 如短期优化调度模型中的出力系数计算问题的研究就很少，而它都是影响短期优化调度计算精度的重要因素。
- The concept of cycle efficiency coefficient is introduced to analyze the normal cycle of the unit and the reheater desuperheating water cycle. 引入了循环效率系数的概念，对机组正常循环和再热减温水循环进行分析。
- It can improve the precision of the efficiency coefficient and STOD, at the same time it do not increase the computational complexity, so there are some use value. 该方法能提高出力系数的精度，从而达到改善短期优化调度精度的目的，同时它不会增加短期优化调度的计算量，因此具有一定的实用价值。
- Results showed that increasing nitrogen application rate increased total N uptake,but decreased the percentage of nitrogen exported(PNE)from vegetative organs,nitrogen harvest index(NHI)and nitrogen efficiency for grain production(NEGP). 结果表明 ,施氮量增加 ,水稻吸氮量增多 ,但营养器官的氮转运率、氮收获指数和产谷效率显著下降 ;
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- Efficiency coefficient of antioxidant(ECA)of vitamin E acetate on unsaturated fatty acids ranked as the following:C20:4>EPA>DHA>C18:3>0>C16:1>C18:2>C18:1; ECA on ARA attached to 10.193%,maximum EPA 0.490%,DHA 0.364% respectively. 维生素E醋酸酯对鱼油中不饱和脂肪酸效用系数大小依次为:ARA>EPA>DHA>C18:3>0>C16:1>C18:2>C18:1;对ARA抗氧化效用最大;效用系数达到10.;193%25;C20:5为0
- This is a highly efficient new heating system. 这是个高效的新取暖系统。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
- Nitrogen efficiency for plant biomass 氮素干物质生产效率
- The lamp is full of gaseous nitrogen. 灯里充满了气体氮。
- Nitrogen efficiency in grain production 氮素籽粒生产效率
- It is not efficient to hire poorly trained workers. 雇用未经严格训练的工人会妨碍工作效率。
- Nitrogen forms about 78% of the earth's atmosphere. 氮约占地球大气的百分之七十八。
- method of efficiency coefficient 功效系数法
