The parameters of root-system water-absorbing model and the water and heat transportation model of crop based on experimental data were determined,which were solved by using finite difference and iterative methods.
利用试验实测资料确定作物根系吸水模型和水热运移模型的参数,分别利用有限差分法对水热运移模型进行离散和迭代法对模型进行求解,通过模拟研究秸秆覆盖对夏玉米农田土壤水分和热量的影响。
The study on water and heat transfer in soil plant environment continuum(SPEC) in greenhouse is helpful to determining inflow and outflow, transfer and transform of water and heat of a greenhouse.
温室栽培是节水增产的有效措施 ,对温室土壤植物环境连续体 (SPEC)水热运移的研究有助于弄清温室系统内水热的收支、运移与转化规律 ,可为温室环境控制和节水、增产和降耗提供有力的理论基础。
It is pointed out that integrating with GIS,enhancing pre-processing and post-processing functions plus some new calculation algorithm will be the main development trend of groundwater thermal migration modeling software.
分析了目前国外流行的地下水热运移模拟,对每个软件的主要功能作了简要的介绍,概述了地下水热运移软件的发展现状,指出与GIS结合,强化软件的前后处理功能是未来地下水热运移模拟软件发展的主要趋势。
In this paper, from the basic fact of heat motion, we introduced a physical quantity σ to describe the heat motion, and defined the concept of temperature clearly from the view of macroscopic point.
从热运动这一基本事实出发,引入了描述热运动的物理量σ,从宏观的角度重新定义了温度的概念,并给出了热力学第零定律的数学表述:温度是热力学系统单位热运动量的能量,它与现有理论并无矛盾,并具有清晰的物理意义。
The temperature is the energy per unit quantity of heat motion in equilibrium system.
从热运动这一基本事实出发,引入了描述热运动的物理量σ,从宏观的角度重新定义了温度的概念,并给出了热力学第零定律的数学表述:温度是热力学系统单位热运动量的能量,它与现有理论并无矛盾,并具有清晰的物理意义。
