本文建立了地膜覆盖条件下SPAC系统水热耦合运移模型。
A numerical model for analyzing the heat and water flow in the SPAC system under transparent polyethylene mulch is studied.
土壤溶质运移模型是研究土壤中农用化学物质迁移的一种重要手段。
The solution transport model is a key method for the study of the movement of agri- chemicals in soils.
本文建立了内陆单斜构造内咸水入侵淡水含水层的三维可混溶溶质运移模型。
This paper presents a three-dimensional miscible solute transport model for salt water intrusion into fresh water aquifers, in an inland monoclinal structure.
结合工程实践建立溶质运移模型，并通过现场试验的检验，验证模型的正确性。
Combining with the engineering example, established the solute travel model, and used the field experiment data to verify the correctness of the model.
SWAP是垂直一维水盐运移模型。不同的水文地质条件应具有不同的SWAP模型。
SWAP is one dimensional vertical water salt movement model, and there are different SWAP models in different conditions.
构造模型进行预测的关键在于确定模型参数，在土壤溶质运移模型中一般包括弥散系数和延迟因子两个参数。
The key to establish model and predict lies in the determination of model parameters, which include generally dispersion coefficient and retardation factor.
本文通过对淋滤液运移模型的研究，给出了多孔介质和双重介质淋滤液运移模型的定解问题，采用广义迎风格式求解淋滤液运移模型，消除数值弥散。
Equations of transport model of leachate for porous media and double media are given. Generalized upwind scheme is used to solve the transport model of leachate and to eliminate numerical dispersion.
根据水动力学弥散理论建立农药在包气带中运移与转化过程的数学模型，评价农药使用对地下水环境的影响。
A mathematic equation was established to model the leaching and transformation of pesticides in root zone and assess impact of pesticide on groundwater.
坡耕地作为重要的侵蚀产沙区，揭示其土壤侵蚀规律和泥沙运移方式，对建立土壤侵蚀预报模型、加强土地管理防止土壤退化具有十分重要的意义。
It is important to reveal the law of soil erosion and develop soil erosion forecast model, which has a bearing on preventing the loess of water and soil.
本文以我院研制成的盆地综合模拟系统BASIMS为例，着重介绍地史、热史、生烃史、排烃史和运移聚集史这五大模型的最新方法以及油气资源综合评价技术。
Taking the RIPED's BASIMS as a sample, this paper emphasizes the new methods for the five models of the histories mentioned above and the integrated evaluation technique.
应用该模型对河北省黑龙港地区秸秆覆盖条件下夏玉米的水热运移进行模拟。
By these models, the simulations of water and heat transportation were performed under the full wheat straw mulch at summer corns in Heilonggang region, Hebei province.
LEACHC是描述土壤水分运动、溶质运移和盐分积累的盐度模型。
LEACHC is the salinity model describing water flow, solute movement and salt accumulation in soil profiles.
建立了一维非饱和土壤中溶质运移的特征有限元数值模型。
The numerical model of one-dimensional solute transport through unsaturated soils is formulated by characteristic finite element method.
土壤水和溶质迁移的数学模型，可分别由水分运动、溶质运移两个方程耦合组成。
The mathematical model of solute and water transport is composed of two coupled equations of water movement and solute transfer.
土壤水力性质是研究非饱和带中水分和溶质运移的重要参数，可以用孔隙网络模型进行预测。
Soil hydraulic properties are the key information required in quantitatively modeling water flow and solute transport in the vadose zone, which can be predicted using pore scale network models.
根据流域特点，在考虑季节性冻土的运移状况下，采用融雪径流模型与水箱模型相结合的方法，在整个黄河源区进行模拟。
On the basis of migration of seasonal frozen soil, simulates the Yellow River Source Region's runoff by snowmelt runoff model and tank model.
在脉冲通风条件下，分析了回采工作面上隅角积聚区内瓦斯运移的物理过程，建立了上隅角积聚区瓦斯运移的动力学模型。
Under the condition of pulsed ventilation, the physical process of gas transport in the upper corner of mining face is analyzed, and the dynamic model of gas transport is set up.
该模型可用于定量研究油气向采油井的运移规律和现今油气田的最佳开采问题。
The model can be used in the quantitative study of the problems in migration laws of oil flowing to crude oil production Wells and the best development of the existing oil fields.
利用狭窄平行板裂隙模型来模拟和分析单个裂隙内油运移的过程。
A narrow parallel plates model is used to test and analyze oil migration process in a single fracture.
建立了一维非饱和土壤中水平和垂向溶质运移的有限体积法数值模型。
The numerical model of one-dimensional horizontal solute transport and vertical solute transport through unsaturated soils is formulated by FVM.
较严密地推导了能够描述含水层热量运移中自然热对流作用的水流方程和热量运移方程，并在此基础上建立了一个三维非线性模型。
In this paper, the flow and thermal transport equations for the accurate description of natural thermal advection in the process of heat transfer in aquifers are manipulated and presented.
动态再现油气运移聚集过程的难点在于运移聚集模型的建立。
The process of reconstructing the migration and accumulation of hydrocarbon depends on the establishment of an effective dynamic model.
本文通过对堆石坝渗漏流场中示踪剂运移规律进行概化，建立示踪探测数学模型，达到了认识其流场特征的目的。
Mathematical model of tracing exploration is established after generalizing the law of movement of tracer in seepage flow field of rockfill dam to master the characteristics of flow field.
应用特征有限元法对一维非饱和分层土壤水分入渗方程及溶质运移方程进行离散化，得到了其特征有限元数值模型。
The numerical model of 1-d water infiltration and solute transport through layered soils is constructed by the characteristic finite element method.
物理模型试验是分析温排水在受纳水域中扩散运移规律的有效方法。
Physical model test is to analyze the cooling water in the receiving waters in an effective way to transport law of diffusion.
对于油气二次运移，采用基于浮力驱动及达西定律的拟三维运聚模型。
The pseudo 3-D migration-accumulation model based on buoyancy and Darcy's Law is used to simulate on secondary hydrocarbon migration.
在迭代求解区域饱和-非饱和拟三维渗流模型的基础上，建立区域溶质运移简化模型。
Based on the iterative solution of saturated-unsaturated quasi 3-d water flow model in large scale zone, a simplified model of solute transport was established.
建立了管片接缝渗漏情况下，接缝渗漏液与管片混凝土中氯离子运移的耦合模型，并探讨了模型的数值计算方法。
A coupling model was proposed for the chloride migration in segment joint and segment concrete, and the corresponding numerical method was developed.
本文针对以上问题，将小流域沿沟缘线分为坡面与沟道两部分，运用正态整体模型试验的方法研究小流域沟道水沙运移规律。
And so, we partition the small watershed to the both of slope and channel first time, and, we can research runoff and sediment transportation laws of channel by using small watershed normal model.
本文针对以上问题，将小流域沿沟缘线分为坡面与沟道两部分，运用正态整体模型试验的方法研究小流域沟道水沙运移规律。
And so, we partition the small watershed to the both of slope and channel first time, and, we can research runoff and sediment transportation laws of channel by using small watershed normal model.
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