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1The axial evolution law on the structure and the aerodynamic characteristics of the asymmetric flows around slender bodies of revolution at incidences is summarized:whether the flow asymmetry is powerless or powerful,the flow always appears in the structure that lee-side vortices rise,and shed vortices form,and new lee-side vortices come into being alternately on opposite sides of a slender body of revolution axially from nose apex downstream to afterbody,and always induces the sectional side force of waving quasi-sinusoidally downstream axially.

1总结出细长旋成体有攻角非对称绕场结构和气动力特性的轴向演化规律:无论非对称性强弱,沿轴向从头部尖顶往后体,非对称绕总是呈现为左、右两侧背涡交替从物面向上飘起、形成脱落涡、再衍生出新生背涡的场结构,并诱导出沿轴向呈类似正弦曲线形式振荡分布的截面侧向力。

In the explore in water seepage mechanism of highway engineering, at the foundation of author's and other people's research, the author study the groundwater seepage and infiltration of rain and water with the groundwater dynamics, the rock mechanics ,the soil mechanics, the hydrologic geology, the engineering geology, the agrology.

公路工程水渗机制的研究还很少,现有的相关研究主要是建立在地表水的疏排、饱和渗的简单计算、及直观观察经验基础上的防排水设计和施工,没有或很少有根据地下水贮存、渗与公路工程建设的相互影响,雨水入渗在公路工程结构中渗规律的研究。

In order to research the flow mechanics inside tube inserted with twisted-leafs discontinuously,a mathematical model for turbulent flow resistance was developed,and the influence of the twist angle α and the swirl angle β on the form drag was analyzed by numerical simulation.

为了研究管内间隔插入旋片的动机理,建立了阻数学模型,通过数值模拟分析了旋片的旋转角α和旋角β对j(形体阻力与摩擦阻力的比值)的影响。

A new ZVS-ZCS ARCPI (auxiliary resonant- commutated pole inverter) is proposed to solve the problems, such as extra loss from auxiliary circuit, variable commutation duration, and delicate reliability etc., which exist in other ARCPIs.

辅助谐振换逆变器拓扑结构中存在着诸如由辅助换回路损耗引起的转换效率低、由负荷电变化引起的变辅助换周期和稳定性差等问题,为此提出了一种基于变压器辅助换的新型ZVS-ZCS逆变器。

Based on a two-phase flow momentulm equation and a mechanical energy balance equation, an expression for the buoyance on the fluidized partiles has been derived.

表明了广泛应用的拟均相模型的不合理性,提出了应采用分离模型来分析散式态化中颗粒的受力情况,证明了化颗粒所受浮力符合阿基米德原理,即,还推导了化颗粒所受体曳力的表达式:并用实验对其进行了验证。

Effects of buoyance on oil droplets migration in waterflood process;2. Based on a two-phase flow momentulm equation and a mechanical energy balance equation, an expression for the buoyance on the fluidized partiles has been derived.

表明了广泛应用的拟均相模型的不合理性,提出了应采用分离模型来分析散式态化中颗粒的受力情况,证明了化颗粒所受浮力符合阿基米德原理,即,还推导了化颗粒所受体曳力的表达式:并用实验对其进行了验证。

It consists of circuitry that this constant current circuit stabilizes the criteria of a highly precise returned type constant current circuit of operation in another constant current circuit,Furthermore, the voltage amplification with very high stability is realized by adopting this constant current circuit also as the bias circuit of a first rank cascode and the 2nd step cascode, and the 2nd step constant current load intensity.

它由电路,这恒电路稳定的标准,一个高度精确的返回式恒电路的运行在另一恒电路,此外,电压放大具有极高的稳定性,实现了通过这项恒电路也作为偏见电路的第一级和第二栅栅一步,和第二步骤恒定电负荷强度。

Allthe models satisfy the precision and strength requirements.6 CFD is employed to simulate the application of tube with static mixer in anindustrial furnace, in which a tube model library containing the geometricalmodel and physical model in common use is build.7 Disturbed flow in tube with static mixer is demonstrated in an experimentsystem designed and manufactured by the author. Fluid field is measured byuse of seven-hole probe method. An experimental system are designed and builtfor this purpose.

建立了一个由模型的几何、物理参数组定义的常用模型的模型库,提高计算效率,缩短放大研究周期。6、提出了基于速度的场扰效果的评价方法,将之应用于场设计和扰元件结构优化的评价中,获得了量化的评价结果。7、设计、制造动显示实验系统,验证静态混合式炉管对体的扰动效果:采用七孔探针体力学实验方法,在体力学实验测量系统中,对静态混合式炉管模拟场的三维速度分布和体、压力降等进行测量。

Qualitative results are obtained by using this method in fluid fielddesign and structure optimization of disturbing elements.5 Experimental models are made efficiently and accurately by RPM method. Allthe models satisfy the precision and strength requirements.6 CFD is employed to simulate the application of tube with static mixer in anindustrial furnace, in which a tube model library containing the geometricalmodel and physical model in common use is build.7 Disturbed flow in tube with static mixer is demonstrated in an experimentsystem designed and manufactured by the author. Fluid field is measured byuse of seven-hole probe method. An experimental system are designed and builtfor this purpose.

建立了一个由模型的几何、物理参数组定义的常用模型的模型库,提高计算效率,缩短放大研究周期。6、提出了基于速度的场扰效果的评价方法,将之应用于场设计和扰元件结构优化的评价中,获得了量化的评价结果。7、设计、制造动显示实验系统,验证静态混合式炉管对体的扰动效果:采用七孔探针体力学实验方法,在体力学实验测量系统中,对静态混合式炉管模拟场的三维速度分布和体、压力降等进行测量。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据质量检测存在的不足,提出构建XML键的矢量矩阵作为窗口,利用矢量积小波变换多级分解与重构XML数据,再结合最小二乘支持向量机对XML数据质量进行预测的一种方法,满足XML数据质量重构时实时检测的要求,保证XML数据的约束性、一致性与完整性;为了更好的适应网络负载,采取加权与自适应窗口调整等调度策略充分保证XML数据的质量检测。

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在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。

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