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- 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。
- nitrogen efficiency ratio 氮功效比值
- Calculate your personal efficiency ratio. 计算你的个人效率比。
- What is the use, efficiency ratio? 什么是使用率、实用率?
- 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。
- 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。
- The factors affecting the Seasonal Energy Efficiency Ratio( SEER) have been investigated. 探讨房间空调器的季节性能特性及提高季节能效比的有效途径。
- 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 ;
- When buying an air-conditioner, check its Energy Efficiency Ratio, with lower numbers denoting better efficiency. 购买冷气机时,应留意其能量效率比,,数值愈低代表效能愈佳。
- The top energy efficiency ratio (EER) is about 3.85 and the average value is over 3.0. 实验结果得到能效比最大可达3.;85，平均在3
- Rice bran protein (RBP) is a kind of hypoallergenic, high protein efficiency ratio (PER) vegetable protein. 米糠中的蛋白质是一种低过敏性、高生物效价的优质植物蛋白质。
- Nitrogen efficiency for plant biomass 氮素干物质生产效率
- Nitrogen efficiency in grain production 氮素籽粒生产效率
- Air consists chiefly of nitrogen. 空气主要由氮气组成。
- The food efficiency ratio on the female rats fed 1.0 g/kg BW. In the first week of the test was higher than the control significantly(P<0.01),and the female rats fed 0.1,1.0,4.0 g/kg BW. In the fourth week of the test were all higher too(P<0.01). 大鼠食物利用率:雌性1.;0 g/kg体重组在实验第1周显著高于对照组;P<0
- Nitrogen is one of three fertilizers, but a great deal use of nitrogenous fertilizer has made environmental pollution, as soon as made the descend of nitrogen efficiency of corps and enhance the cost. 氮肥是作物的三大肥料之一，但是目前氮肥的大量施用不仅造成了环境的污染，同时导致作物对氮肥的利用效率下降，使农民的生产成本升高；
- There was no difference on weight gain and protein efficiency ratio among fat levels(P>0.1). Thus,the author suggets that nutrient levels of the best compounded diet of largemouth bass are 42% protein,3.5% fiber and 6% fat. 作者建议加州鲈鱼饵料内主要营养素的适宜含量为蛋白质42%25左右 ;纤维素不高于3.;5%25;脂肪不低于6 %25。
- Comparison to the Primary Energy Efficiency Ratio (PER) under changed conditions between Direct Fired Absorption Chiller (DFAC) and electric driven Air Source Heat Pump Chiller (ASHP) is introduced. 对直燃型溴化锂吸收式机组和电动风冷热泵机组在变工况下的一次能源利用率PER作了比较。
- Nitrogen forms most of the Earth's air. 地球上空气的大部分成分是氮气。
