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diffusion of contaminants
相关语句
  污染物扩散
     The flow characteristics in meandering furcated rivers are complicated and have great influence on the diffusion of contaminants.
     弯曲性分叉河道中水流特征复杂,对污染物扩散有很大影响。
短句来源
     In order to analyze the influence quantitatively,the mathematical model for diffusion of contaminants was solved by finite element method.
     为了定量分析其水流特征对污染物扩散的影响,采用有限元方法求解弯曲性分叉河道中的污染物扩散数学模型,研究其中污染物扩散的状况。
短句来源
  “diffusion of contaminants”译为未确定词的双语例句
     Study on transport and diffusion of contaminants in nonlinear Stokes waves
     非线性Stokes波浪场中污染物输移扩散研究
短句来源
     Primary study on diffusion of contaminants in meandering furcated rivers
     弯曲性分叉河道中污染物扩散性的初步研究
短句来源
     The Study of Transport and Diffusion of Contaminants in Wave Field and the Model of Parabolic Mild-slope Equation
     非线性波浪作用下污染物输移扩散研究和波浪传播的抛物缓坡方程模型
短句来源
     In this paper the transport and diffusion of contaminants in nonlinear Stokeswater wave due to shift and rotation of the micro fluid mass is discussed, and somecharacters of the transport and diffusion of contaminants in wave field have beenobtained.
     本文讨论了二阶 Stokes 非线性波浪作用下流体微团的平动和变形对污染物输移及混合扩散的影响,推导了相关公式,得出了波浪场作用下污染物输移及混合扩散的基本规律,为进一步研究波浪场中的纵向离散系数提供了一定的理论依据。
短句来源
     This paper builds the basic equation of one dimension permanent current river water quality model based on researching the transport and diffusion of contaminants in the river and its effect factors. By means of an implicit finite differential method, a calculation of this equation is given.
     本文研究了河流中污染物的输移扩散及其影响因素,在此基础上建立了一维恒定流水质模型,并通过隐式有限差分法求解该模型。
短句来源
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  相似匹配句对
     Study on transport and diffusion of contaminants in nonlinear Stokes waves
     非线性Stokes波浪场中污染物输移扩散研究
短句来源
     Primary study on diffusion of contaminants in meandering furcated rivers
     弯曲性分叉河道中污染物扩散性的初步研究
短句来源
     The transport mechanisms of the contaminants are convection, dispersion, diffusion and adsorption.
     污染物在粘土中的迁移机理主要包括对流、机械弥散、分子扩散和吸附等。
短句来源
     Nonlinear Diffusion
     非线性扩散
短句来源
     Numerical Simulation Study on Contaminants Transport and Diffusion Law in River
     河流中污染物输移扩散规律的模拟研究
短句来源
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  diffusion of contaminants
Features of longitudinal diffusion of contaminants in long mine workings
      
The laws of turbulent diffusion of contaminants from moving sources
      
Turbulent diffusion of contaminants from instantaneous sources in the heading faces of tunnels
      
The process chosen for simulation in this study is the coupled desorption-diffusion of contaminants from the bed to the water column.
      
Water-column chemical investigations will generally not be required, unless there is evidence of long-term resuspension or diffusion of contaminants.
      
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The forecast of atmospheric environmental impact is an important component of environ mental impact assessment for construction project.Expressing the result of forecast graphically can clearly reflect range and degree of environ mental impact after constraction project being put into production. In this paper, the method and some skills of drawing isogram and leeward axial graph of concentration about diffusion of contaminant in environmental forecasting are presented.

大气环境影响预测分析是建设项目环境影响评价的一个重要组成部份。用图示法表示预测结果能直观明了地反映建设项目投产后对环境影响的范围和程度。本文介绍了在大气环境影响预测分析中污染物诉散的浓度等值线图和下风向轴线浓度图的作图方法和某些技巧。

The kinetic model for desorption of bio-refractory organic pollutants in soil is established with theories of transport of solute in porous media and hydraulics; and the analytical solution of the kinetic model is given. And the kinetic model is verified using data of experiments and parameters. The results show that the kinetic model is true in describing the desorption process of bio-refractory organic pollutants in soil and the change of bio-refractory organic pollutants concentration in water phase. In addition...

The kinetic model for desorption of bio-refractory organic pollutants in soil is established with theories of transport of solute in porous media and hydraulics; and the analytical solution of the kinetic model is given. And the kinetic model is verified using data of experiments and parameters. The results show that the kinetic model is true in describing the desorption process of bio-refractory organic pollutants in soil and the change of bio-refractory organic pollutants concentration in water phase. In addition , the theory evidence is provided for forecasting diffusion of contaminants in soil, avoiding recontamination and pollution control.

运用多孔介质溶质运移理论及水力学原理,建立了土壤中难降解有机污染物释放的动力学模型,并对其模型进行了解析求解,运用实验数据对模型进行了验证。计算结果表明:所建动力学模型能很好地反映土壤中难降解有机污染物释放的真实过程,准确地描述土壤固相释放时液相难降解有机污染物浓度变化的规律,为准确预测和预报污染物在土壤中的扩散状况以及环境污染的治理、防止二次污染提供了可靠的理论依据。

In this paper the transport and diffusion of contaminants in nonlinear Stokes water waves due to shift and rotation of the micro fluid mass are discussed, and some characters of the transport and diffusion of contaminants in wave field have been obtained. A numerical transport-diffusion model based on Finite Element Method (FEM) is established to verify the theoretical results, and good agreements are obtained. The results show that in wave filed the transport and diffusion of contaminants...

In this paper the transport and diffusion of contaminants in nonlinear Stokes water waves due to shift and rotation of the micro fluid mass are discussed, and some characters of the transport and diffusion of contaminants in wave field have been obtained. A numerical transport-diffusion model based on Finite Element Method (FEM) is established to verify the theoretical results, and good agreements are obtained. The results show that in wave filed the transport and diffusion of contaminants is anisotropic, apart from being effected by drift velocity.

 本文讨论了二阶Stokes非线性波浪作用下流体微团的平动和变形对污染物输移及混合扩散的影响,推导了相关公式,得出了波浪场作用下污染物输移及混合扩散的基本规律,为进一步研究波浪场中的纵向离散系数提供了一定的理论依据。建立了基于有限元方法(FEM)的对流扩散数学模型,对理论推导的结果进行了验证。研究结果表明:在非线性波浪场中,污染物的混合扩散除了受漂移速度影响外,具有明显各向异性的特征。

 
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