不同季节土壤模型的建立为沱沱河和五道梁两变电站接地系统的设计奠定了基础。
Building up soil models in different seasons establishes the foundation for the grounding system design of two substations.
该理论模型可应用于土壤源热泵系统的分析和设计中。
The theoretical model can be applied to the design and analysis of soil source heat pump system.
样区土壤模型库及预测系统应用。
Application of soil model storehouse and attribute prediction system.
图2土壤微生物系统适应环境干扰的概念模型。
Fig. 2 Conceptual model of soil microbial system adapted to the environmental disturbance.
在现有压实检测技术的基础上,通过分析振动轮土壤系统的力学模型,建立了相应的运动方程。
On the basis of the present methods of compaction testing, the mechanical model of a vibrating roller-soil system was analyzed and its dynamic equation was established.
结果表明,通过模型计算与地理信息系统相结合,便于评价不同水氮管理、不同降雨年型条件下区域农田土壤水、氮素行为。
When the simulation model combined with GIS, it was easy to evaluate regional soil nitrogen behaviors under different treatments of water and nitrogen.
研究了土壤侵蚀模型ANSWERS和地理信息系统(GIS)ARC/INFO之间的连结。
The linkage between the soil erosion model ANSWERS and the Geographical Information system (GIS) ARC/INFO is presented.
构建土壤有机碳稳定性概念模型,能更系统地理解有机碳在土壤中的稳定机制。
The structure of soil carbon stability conceptual model can be helpful to systematically understand soil carbon stability mechanism.
介绍了土壤热导率的测试方法,根据传热模型反解法设计了土壤热导率测试系统。
The testing system of soil thermal conductivity is designed according to the reverse solution of heat transfer model.
并从实际出发,考虑砧下垫层的弹性作用及垫层和土壤的阻尼作用,建立了锻锤振动系统的双自由度有阻尼振动力学模型。
In the last part of this paragraph, a calculation model for forging hammer foundation vibration system with dual-freedom is presented.
最后指出建造分布型参数的土壤侵蚀量模型系统所具有的很多优点,它反映了当前土壤侵蚀研究的发展趋势。
Lastly, many merits of the distributed parameter model system were indicated, which reflected the development trend of the present soil erosion research.
根据一些径流小区的试验资料,运用灰色系统理论,建立降雨量、径流量、土壤侵蚀灰色系统动态模型。
Being based on the runoff plot investigations, a dynamic model of grey systems about the rainfall, the runoff rate and the soil erosion was introduced by using the grey systems theory.
本研究主要采用黄土高原典型气候区大面积的野外人工草地生产力和土壤水分的实地调查和计算机系统动力学模型数值模拟研究相结合的方法。
In this study, the method of actuarial investigation of forage productivity and soil moisture on artificial pasture combined with numerical simulation value by dynamic crop model were used.
由Ben - A sher等提出的等效半球模型EHM (EffectiveHemisphereModel)可用于滴灌系统设计和田间滴灌作物土壤水分的管理。
The effective hemisphere model (EHM) lodged by BenAsher can apply in drip irrigation system design and field crop soil water management.
在土壤-作物系统中,根系吸水模型是连接土壤和作物的桥梁,然而又是最难处理的一个环节。
In soil-plant system, linear root water uptake model is a linkage between soil and plant.
针对黄土高原小流域土壤侵蚀的特点,对建造土壤侵蚀量模型系统进行了分析。
In accordance with the characteristics of soil erosion of small watershed in the loess plateau, the problem on building the soil erosion model system was analyzed.
将机械工程和土壤力学有机结合,对压实机—土壤系统动态特性进行研究建立了系统的动力学模型。
Combining the mechanic engineering with soil mechanics, the paper studies the dynamic characteristics of interaction between the compaction equipment and soil, dynamic model is set up.
介绍了土壤热导率的测试方法,根据传热模型反解法设计了土壤热导率测试系统。
The testing method of soil thermal conductivity is introduced. The testing system of soil thermal conductivity is designed according to the reverse solution of heat transfer model.
采用经过验证的数学模型对不同工况的草坪土壤温度场进行数值模拟分析,得到北京地区草坪电缆加热系统的优化设计参数。
Using the validated model, simulates the turf soil temperature of different conditions, obtains the optimum parameters of electric cable heating system in Beijing.
影响电力系统接地电阻的主要因素是接地体所在土壤的模型及参数。
The main factors which affect the earth resistance are the earth model and parameters where the grounding body is buried.
本文中的模型可以对土壤源热泵系统的设计方案进行经济性评估,以便设计人员选取经济性较好的方案。
A mathematical model for simulation of ground source heat pump system is built based on line heat source theory.
通过建立土壤蓄冷、释冷的数学模型,对土壤蓄冷与土壤耦合热泵集成系统进行了数值模拟。
Based on the mathematic model of the soil cool charge and discharge system, simulates the integrated system.
在地理信息系统软件支持下,遥感可在水土保持动态监测的模拟、水土保持地理信息系统的建立和土壤侵蚀模型的探索等方面发挥重要作用。
With the support of GIS software, remote sensing plays an important part in the simulation of soil and water conservation dynamic monitoring, in the building of soil and water co…
提出准三维土壤—空气传热传质模型,对地道通风系统内空气与土壤之间的热物理过程进行数值模拟。
A quasi-three-dimensional model was developed to simulate earth-to-air heat exchange process in underground duct system(UDS), which ignores heat transfer in the earth in the direction of air flow.
根据组件式GIS技术构建了东圳水库土壤侵蚀模拟GIS系统,该系统可以实现数据管理、空间分析、模型运算功能。
Based on COMGIS technology, a GIS for the simulation of soil erosion of Dongzhen reservoir watershed has been created, which has the functions of data management, spatial analysis and visualization.
本文重点研究了太阳能-热泵耦合系统运行模式的节能效果,并结合实验数据建立了系统的热泵机组数学模型、土壤换热器数学模型。
The models of the solar collectors, heat pumps and the ground heat exchangers were established combing the experimental data. The temperature probe was installed under the ground.
本文重点研究了太阳能-热泵耦合系统运行模式的节能效果,并结合实验数据建立了系统的热泵机组数学模型、土壤换热器数学模型。
The models of the solar collectors, heat pumps and the ground heat exchangers were established combing the experimental data. The temperature probe was installed under the ground.
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