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average saturation
相关语句
  平均饱和度
     Introducing the average saturation for the two phase region, a general front representation velocity of moving steam condensation is obtained in the case of lateral adiabatical boundary using heat-balance intergral method.
     在引入两相平均饱和度后,运用控制积分方法得到了侧向绝热时蒸气凝结前缘运动速度的一般表达式,并在恒注入蒸气速率和恒两相区液相饱和度条件下,给出了该表达式计算凝结前缘速度的一个具体公式。
短句来源
  “average saturation”译为未确定词的双语例句
     The average saturation space-charge field is small and the diffraction efficiency is low as a result of the non-uniformity of the grating.
     结果显示,非均匀性致使光折变光栅的平均强度减弱,衍射效率降低。
短句来源
  相似匹配句对
     in average;
     平均为0.89d。
短句来源
     Microelement was the average.
     微量元素含量趋平均水平。
短句来源
     ③average water saturation has a linear relation with time.
     ③平均含水饱和度与时间呈线性关系。
短句来源
     The rate, average blood press and oxygenation saturation varies withdifferent suction press .
     不同的吸引时间对病人心率、平均动脉压、经皮血氧饱和度的影响是不同的。
短句来源
     The model of saturation and its application
     饱和模型的充要条件及其应用
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  average saturation
The model is shown to match coreflood average saturation profiles and production histories as predicted by Darcy's equations while generating saturation distributions resembling viscous fingering.
      
Previous findings demonstrating the accuracy of coarse scale relative permeability functions based on higher moments are readily explained in terms of the volume average saturation and moment equations.
      
The resulting coarse scale description, in the form of an average saturation equation and a sequence of moment equations, is then used to assess several methods for the upscaling of detailed reservoir characterizations.
      
The average saturation cracking space is obtained by a numerical method.
      
The tetraploid clones had lower average saturation densities possibly due to enlargement of cell size represented by higher cellular protein content.
      
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This paper deals with the multi-diinensional problem of two-phase flow through a heterogeneous porous medium, and some important features in such a case have been found. It is shown that several well known characteristics of one-dimensional displacement of a two-component mixture, such as those of the phase flow rate, propagation velocity of saturation, frontal and average saturations of the displacing fluid, can be generalized to the multi-dimensional cases. Thus, in this paper the fundamental hypotheses...

This paper deals with the multi-diinensional problem of two-phase flow through a heterogeneous porous medium, and some important features in such a case have been found. It is shown that several well known characteristics of one-dimensional displacement of a two-component mixture, such as those of the phase flow rate, propagation velocity of saturation, frontal and average saturations of the displacing fluid, can be generalized to the multi-dimensional cases. Thus, in this paper the fundamental hypotheses adopted in several more succesful methods of approximation for solving two-dimensional problems have been proved theoretically; it means that in two-dimensional case both the frontal saturation and the average saturation in swept area are the same as in one-dimensional case. The approximate methods of predicting waterflood performance have also been discussed in this paper.

本文讨论了非均质多孔介质中二相渗流的多维问题,揭示了该情形下的一些重要性质.指明二相一维驱替时关于相渗流速度、饱和度传播速度、前沿饱和度以及平均饱和度等熟知的性质都可推广到多维情形.这样,在一些较为成功的求解二维问题的近似方法中,所作的二维情形下前沿饱和度和二相渗流区内的平均饱和度,仍有一维时的性质的基本假定,在本文中得到了理论上的证明.本文并讨论了预测水驱油田动态的近似方法.

With volumetric average method, a physical model is presented in this paper for one-dimensional porous media initially saturated with water when receiving a sudden inflow of steam. Introducing the average saturation for the two phase region, a general front representation velocity of moving steam condensation is obtained in the case of lateral adiabatical boundary using heat-balance intergral method. A comparision of the experimental results with calculated theoretical values shows that it is a success...

With volumetric average method, a physical model is presented in this paper for one-dimensional porous media initially saturated with water when receiving a sudden inflow of steam. Introducing the average saturation for the two phase region, a general front representation velocity of moving steam condensation is obtained in the case of lateral adiabatical boundary using heat-balance intergral method. A comparision of the experimental results with calculated theoretical values shows that it is a success to calculate the velocity of moving steam condensation front with the model presented in this paper.

根据多孔介质容积平均方法,建立了被水饱和的一维多孔介质中注入蒸气后的流动和传热的物理模型和数学模型。在引入两相平均饱和度后,运用控制积分方法得到了侧向绝热时蒸气凝结前缘运动速度的一般表达式,并在恒注入蒸气速率和恒两相区液相饱和度条件下,给出了该表达式计算凝结前缘速度的一个具体公式。实验与分析表明,这一公式能较好地反映多孔介质中水蒸气凝结前缘的推进速度。图3参6

The grating non-uniformity of the nonvolatile volume hologram recording in doubly doped LiNbO_3(LN) crystals mainly caused by strong ultraviolet (UV) absorption is studied in detail.The average saturation space-charge field is small and the diffraction efficiency is low as a result of the non-uniformity of the grating.Optimization for the uniformity of the grating using two sensitizing beams from the two opposite sides of the crystals is performed.Theoretical simulations and experimental verification are...

The grating non-uniformity of the nonvolatile volume hologram recording in doubly doped LiNbO_3(LN) crystals mainly caused by strong ultraviolet (UV) absorption is studied in detail.The average saturation space-charge field is small and the diffraction efficiency is low as a result of the non-uniformity of the grating.Optimization for the uniformity of the grating using two sensitizing beams from the two opposite sides of the crystals is performed.Theoretical simulations and experimental verification are presented.Well uniform gratings can be obtained and diffraction efficiency can be greatly enhanced by using this optimization scheme.

研究了非挥发全息记录中由于紫外光的强吸收而引起的光栅非均匀性,分析了这种非均匀性对光栅衍射效率的影响。结果显示,非均匀性致使光折变光栅的平均强度减弱,衍射效率降低。提出了采用两束等光强的敏化紫外光由晶体两侧入射的优化方案以改善光栅的均匀性,提高光栅的衍射效率。通过联立两中心带输运物质方程和双光束耦合波方程,进行了相应的理论模拟,并给出实验验证。结果表明双侧紫外光照射能够实现均匀性较好的光栅,是提高衍射效率的有效途径之一。

 
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