蒸发力
- 网络evaporation power
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为了更有效地计算非均匀地表蒸发力,对现行的K-B模式加以改进。
So as to estimate evaporation power of heterogeneous soil surface more efficiently , the K-B model is improved .
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另一方面,又充分考虑大气条件,引进以Penman公式为基础的K-B模式(加以改进)计算潜在蒸发力。
On the other hand , using improved K-B model which is based on Penman formula , the potential evaporation power is calculated .
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在估算大气蒸发力方面,以参考作物蒸散量为指标,估计作物参考蒸散量的方法以联合国粮农组织(FAO)最新推荐的Penmanmonteith方法较为精细。
The crop reference evapotranspiration , estimated from meteorological data with methods such as the Penman-Monteith method recommended by FAO , is useful for precision irrigation decision-making .
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黑河干流山区流域月蒸发力计算模型
Monthly Evaporation Capacity Model in Mountainous Region of Heihe Mainstream River
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中国西北干旱地区水面蒸发力计算
Estimation of Water Evaporative Power in the Northwestern Arid Areas of China
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局部覆盖条件下土壤水分移动性能与蒸发力的关系
Relationship Between Evaporation Potential and Movement Property of Soil Water under Partial-mulch Conditions
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蒸发力估算及其在江西省农业水资源评估中的应用
Calculation of Evaporation and its Application on Evaluating Water Resources of Agriculture in Jiangxi Province
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大连沿海区蒸发力的研究
Evaporation energies in Dalian sea area
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河西地区黑河流域绿洲蒸发力特征及其计算方法
The characteristics and calculational method of the evaporation power for oasis in Heihe River Basin in Hexi Region
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黄土高原蒸发力的计算和应用&兼谈改善生态环境的途径
The calculation and use of the potential evapotranspiration from loess plateau , & about the ways of ecological environment remedy
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供暖空调能耗在建筑能耗中所占比重较大。夜间蒸发力所占比重较大是一普遍现象。
The proportion of the energy consumption of heating and air conditioning in the building energy consumption as a whole is almost 30-50 % . It is a general phenomenon .
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最终证实:当土壤质地或大气蒸发力发生变化时,植物个体可以通过导水系统的形态性适应来调节根-叶比例,以达到协调其自身水分供需平衡。
It was finally proved that where soil texture and air evaporation varied , the plants will regulate their root-leaf ratios through the morphological adaptations of their water conducting system to keep their water balanced .
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随着全球变暖,蒸发力增大,干旱的风险性变大,因此降低农业旱灾脆弱性是防旱抗旱的重要措施。
Since the risk of drought is likely to intensify with projected global warming and increases in evaporation potential , it is critical to identify methods for minimizing the manifestation of drought conditions and reducing agriculture 's vulnerability to drought .
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用彭曼原式和修正式计算干旱地区的蒸发力,个别月份误差较大。利用空气饱和差拟合得到的经验计算公式效果最佳
The calculation error of evaporation power in arid area for few months in relatively high when the evaporation was computed with Penman ′ s original-formula and modified formula It is optimum that the experience formula is obtained by air saturation difference fitting
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结果表明,山区平均月降水量、月平均气温和月蒸发力之间存在着复杂的非线性关系,降水和气温都是影响蒸发力的一个综合因子。
The results show that the monthly average air temperature , the monthly evaporation capacity and monthly precipitation has a highly nonlinear relationship between each other . Precipitation and air temperature both are the comprehensive factors that effect the variation of the evaporation .
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液滴蒸发应力腐蚀试验条件的断口分析评价
Evaluation on the condition of DROP-EVAPORATION test for stress corrosion cracking by fractography analysis
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以毛细和蒸发作用为驱动力的微泵的研制
Studies on a Micropump Based on Evaporation and Capillary Effects
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黄土高原几种土壤在非饱和条件下水分的蒸发性能和抗旱力评价
Water evaporation from soils under unsaturated condition and evaluation for drought resistance of soils on loessal Plateau
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考虑粒子受力的分布及蒸发对粒子周围力的影响,从阻力的基本机理上分析了蒸发状态下颗粒的运动阻力,给出了蒸发曳力的理论分析模型。
From analysis of the force distribution around a high-temperature sphere locating on the water surface , it is found that the effect of evaporation surround is dominated .