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pumping factor
相关语句
  抽水因素
     RELATIONS BETWEEN NATURAL FACTOR, PUMPING FACTOR AND KARST COLLAPSE
     自然因素、抽水因素与岩溶塌陷的关系
短句来源
     This paper deal with natural and pumping action in course of karst collapse formation from the situation of karst development, soil and groundwater activity. The result show that natural factor is determinative factor for karst collapse and pumping factor is accelerated factor.
     文章从岩溶发育、土层存在和地下水活动 3个方面论述自然因素、抽水因素在岩溶塌陷的形成过程中所起的作用 ,认为自然因素是决定岩溶塌陷的因素 ,抽水因素是加速岩溶塌陷的因素
短句来源
  相似匹配句对
     The dependence of saturation factor on pumping power is measured .
     测量了饱和因子和抽运功率的关系。
短句来源
     The factor of pumping model selection effecting low production
     影响低产油田抽油机选型因素的分析研究
短句来源
     W: stability factor;
     W——稳定性指数;
短句来源
     Depolarzation Factor
     退极化因子
短句来源
     Intelligent Pumping System
     智能化抽油系统
短句来源
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The effects of baroclinicity on the geostrophic momentum Ekman flow are investigated in this paper. By making use of the two-variable singular perturbation method, the uniformly valid asymptotic solutions of the first two orders of wind structure and the vertical velocity at the top of the boundary layer are obtained. The baroclinic effects are clearly reflected in these solutions. Especially, the first-order corrections of the solutions are completely induced by thermal wind. Three new pumping factors...

The effects of baroclinicity on the geostrophic momentum Ekman flow are investigated in this paper. By making use of the two-variable singular perturbation method, the uniformly valid asymptotic solutions of the first two orders of wind structure and the vertical velocity at the top of the boundary layer are obtained. The baroclinic effects are clearly reflected in these solutions. Especially, the first-order corrections of the solutions are completely induced by thermal wind. Three new pumping factors due to baroclinic effects are derived in the solution of vertical velocity at the top of the boundary layer. The first is thermal wind deformation, the second, thermal wind vorticity, and the third, the cross term of thermal wind vorticity. It is pointed out that only in such baroclinic systems of horizontally nonuniform temperature gradient as frontal zones will the three new pumping factors come into effect. Furthermore, the dynamic properties of the three pumping factors are carefully analysed with respect to a frontal zone. The quantitative results of the baroclinic effects will appear in the next paper.

本文研究了斜压效应对地转动量Ekman流的影响。利用两变量奇异摄动方法求得了边界层中风场及顶部垂直速度的前二级一致有效渐近解析解,解中明显地反映了斜压情形地转风随高度变化(即热成风)的影响,尤其是其中一级近似解完全由热成风影响所致。在边界层顶垂直速度的解中导出了三种由斜压效应引起的Ekmon抽吸新物理因子,即热成风形变、热成风涡度及热成风涡度交叉项等抽吸因子。分析表明,这些因子只在具有水平温度梯度不均匀的系统(譬如锋区)中方能出现。文中还对锋区内上述三种抽吸因子的动力特征作了具体的分析,指出在锋区这样的强斜压系统中,此三种抽吸因子的贡献是显著的。下一文中,我们将利用本文所得理论解对斜压效应进行具体的定量计算。

This paper deal with natural and pumping action in course of karst collapse formation from the situation of karst development, soil and groundwater activity. The result show that natural factor is determinative factor for karst collapse and pumping factor is accelerated factor.

文章从岩溶发育、土层存在和地下水活动 3个方面论述自然因素、抽水因素在岩溶塌陷的形成过程中所起的作用 ,认为自然因素是决定岩溶塌陷的因素 ,抽水因素是加速岩溶塌陷的因素

 
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