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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
The climax vegetation is the site-specific ecosystem phase with the highest exergy content and the highest exergy flow dissipation capacity.
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It has been observed that the reattachment point of the separated flow and the flow dissipation are quite sensitive to the location and the geometry of the synthetic jet, as well as the parameters of the oscillating membrane.
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The inclusion of this flux flow dissipation term leads to a new expression for the voltage-current (V-I, or E-J) characteristics.
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This model could also simulate three-dimensional axial flow dissipation after the shroud exit above the tank bottom to assess mixing performance.
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In this case the feeder can be operated with no air flow dissipation in the escape valve and the air consumption decreases.
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| | The analysis of special hydraulic condition and operation problem of batching in pipelines is presented. The general energy balance equation of pipeline and the synthetic dynamic pressure e-quation of the critical points in pipeline are proposed. The method of seeking the allowable maximum throughput, which is subjected to the operational condition, is also proposed. With the throughput,the surplus of pumping pressure for the flow dissipation are calculated,which must be suppressed by regulating... | | 分析了管道顺序输送水力状态及工况调节的特殊性,给出了表述油品“界面”处于管道各特殊点时全线能量平衡方程和各校核点动压的通用计算式。以寻求输量最大为目标,阐述了满足工艺约束的最大可行输量的搜索解算方法,给出了解算最优工况的流程图。 | | 文摘来源 | | Aiming at the shortcoming in generally used speed-flow relationship model, the theoretical models of speed flow relationship for each highway class are established based upon a large number of collected traffic data. The speed flow relationship model structure under different traffic load conditions is reviewed by analyzing the traffic flow dissipation mechanism under peak hour over saturated traffic condition. A general speed-flow relationship model under any traffic lo... | | 针对常用的公路交通流车速流量关系模型不能进行交通流超饱和状态下交通分析的不足 ,本文首先应用大量的交通观测数据建立了各级公路车速流量关系理论模型 ,通过对公路高峰小时超饱和状态下交通流消散过程的机理分析 ,研究了各级公路在不同交通负荷条件下的车速流量关系通用模型的结构 ,并通过与大量观测数据的拟合 ,建立了各级公路在任何交通负荷条件下的车速流量关系通用模型的函数表达式 ,提出了各级公路在不同设计车速下的实用模型参数 .该模型成功地解决了高峰小时超饱和状态下的交通流速度预测问题 ,为公路网络规划类、经济分析类项目的开展提供了理论基础 | | 文摘来源 | | The seepage equation of air movement and air seepage flow dissipation equation of oxygen consumption concentration change process in leakage air flow in goaf air flow field under the condition of nitrogen injection have been solved. The relationship between nitrogen injection parameters (nitrogen injection discharge, position and time) and the state of airflow field and oxygen concentration distribution in goaf has been analyzed in detail. A new method of computerized numerical simul... | | 用有限元数值方法 ,求解了综放开采采空区注氮情况下的漏风渗流方程和氧浓度渗流耗散方程 ;结合计算机图形技术 ,直观展示了注氮前后采空区流场、流态和氧浓度分布动态变化 ;模拟了在不同注氮量下注氮控制区边界的变化过程 ,得到控制区边界位置与注氮流量呈负指数关系 ;重点探讨了用数值模拟方法确定合理注氮参数 (注氮流量、注氮位置和注氮时间 )的新方法。 | | 文摘来源 | |   | | << 更多相关文摘 |
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