地面向上的长波辐射与大气向下的长波逆辐射之差,是考虑了大气和云的削弱作用之后到达地面的太阳辐射。
...球和区域尺度上,地球观测(EO)为基础的估算叶面积指数(LAI)提供宝贵意见气候和水文模型,而小部分吸收光合有效辐射(FAPAR)是一个关键的变量中的植被生产力的评估和产量的估计。
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房间围护结构间辐射换热计算的吸收系数法_暖通空调在线 关键词:有效辐射,简化,误差,吸收系数, [gap=653]Keywords:effective heat radiation,simplification,deviation,absorption factor,
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光合有效辐射 photosynthetically active radiation ; photosynthetic active radiation ; PPFD
光合成有效辐射 photosynthetically active radiation
有效辐射面积 effective radiation ; Sd ; effective radiating area
有效辐射能 effective radiant energy
光合有效辐射分量 FPAR ; Fraction of Photosynthetically Active Radiation
吸收的光合有效辐射 APAR ; A PA ; Absorbed Photosynthetically Active Radiation
有效辐射温度 effective radiation temperature
全向有效辐射功率 effective isotropic radiated power
有效辐射场 effective radiant field
A mathematical model of heat environment in greenhouse was developed based onenergy balance principles with the use of effective radiation method. With this model, allcomponents of heat losses in greenhouse are calculated, including radiation, convection,conduction and infiltration of cool air.
本文根据有效辐射法和温室夜间能量平衡原理,建立了连栋温室保温幕系统的热环境数学模型,通过计算温室夜间辐射、对流、传导各部分热损失,预测温室在有保温幕及无保温幕条件下的能耗,计算不同保温幕材料的节能率,对温室热负荷设计有一定的指导意义。
参考来源 - 连栋温室反射型保温幕的性能研究·2,447,543篇论文数据,部分数据来源于NoteExpress
根据不同条件,可以选择不同的因子来计算光合有效辐射。
According to the different conditions, different affecting factors can be selected into calculations of PAR.
影响河北核桃净光合速率日变化的主要因子是光合有效辐射、叶片温度及胞间CO_2浓度。
The diurnal variation of Pn in hebei-walnut was influenced by light intensity, leaf temperature and intercellular CO2 concentration.
下层叶片获得的有效辐射量与群体上空的有效辐射总量及群体自身的叶面积大小分布密切相关。
That effective radiation obtained by low leaves correlated closely with both the total available radiation over the colony and leaves distribution of the colony itself.
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