| 1. | And several solute transport models that combined with other subjects or fields are enumerated 列举了几种和其他学科或研究方向结合的溶质运移模型。 |
| 2. | Mathematical model for simulating water flow and solute transport during non - steady diffusion from subsurface trickle source 地下滴灌土壤水运动和溶质运移的数学模型及验证 |
| 3. | The numerical model of one - dimensional solute transport through unsaturated soils is formulated by characteristic finite element method 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。 |
| 4. | This paper reviews the research result o . modeling solute transport in soil and discusses the advantage and disadvantage of these models 本文回顾了关于土壤中溶质运移模型的研究成果,讨论了各个模型的优势及其不足之处,介绍了应用最为广泛的传统微分方程模型。 |
| 5. | The model is applied to district between mark 14 + 330 and 16 + 280 located at the right of gandong dam , solute movements in groundwater is simulated 计算结果表明,该模型方法可靠,预测合理,本文所提供的地下水溶质运移模拟数学模型,也可应用于类似地区,进行相应的工程规划。 |
| 6. | Compared with commonly used deterministic methods , the stochastic hydrogeology method is a more rational resort for solving the flow and transport problems in the heterogeneous aquifers 摘要随机水文地质学方法,较传统的确定性方法而言,是解决非均质含水层中水流和溶质运移问题的一种更为合理的手段。 |
| 7. | Based on chapter 2 , mathematic model to simulate solute movements in groundwater is established in chapter 3 . in order to gain the solution of fluid equation , adi method is used to calculate 对水质方程,用有限元法求解,通过区域剖分和插值方法将描述溶质运移的定解问题化为代数方程组进行求解。 |
| 8. | Abstract : a dispersion test is carried out in field in order to get the dispersion parameters of the shallow aquifer . fem model is used to simulate the dispersion process in the test area 文摘:通过现场弥散试验测定浅层含水层的水动力弥散参数,用有限分析法模型模拟弥散试验场,为建立滨州市浅层地下水溶质运移模型提供依据。 |
| 9. | Especially in this condition when the peclet was large , dispersion and oscillation of numerical value was probed into . a simple approximate dioposal solution was put forward . then the solution of the model was validated by an exemple ( 2 )对地下水溶质运移数学模型的不同解法作一些探讨,尤其对彼克来特数较大时的特殊情况,探讨数值解的弥散与振荡。 |
| 10. | Several key theory problems , including in earthquake forecast , couple of flow and settlement equations , and groundwater flow and solute transport in multi - scales inhomogeneity , are put forward in the research of urban geologic hazard 提出了城市地质灾害研究中急需解决的,如地震预测预报、水流方程与沉降方程辐合、多尺度非均质中地下水流与溶质运移等几个关键理论问题。 |