流

With the decrease of Mach number of inflow, the total pressure recovery and the shock angle increase; the number of reflection of shock wave in the duct also increases, but the strength of the shock wave decreases.

对某典型高超声速侧压式进气道三维流场进行了数值分析，就壁面压力分布、波系结构和近壁流谱图与实验结果进行了比较，计算反映了流动的基本特徵。

Some improving measures for the spiral angle of spiral plate heat exchanger were presented.

针对螺旋折流板换热器的折流板的角度提出了一些改进措施。

For the radiation transfer equation, both the spatial domain and the angular domain is discretized, and the finite volume method is used to solve the equation in an explicit way.

把一种新的三维热辐射计算方法应用到高超声速非平衡流场的数值模拟过程中：在非结构网格上对高超声速化学非平衡流场的数值模拟过程中，耦合了辐射输运方程来求解辐射热流。

The CFD method was applied to calculate and simulate the form and action process of the cavitation at the representative character of the cavitation erosion on the surface of the hydraulic turbines.Some argumentation was presented that micro jet impacted the wall with a certain degree when bubble collapsed with the result that the maximal strain of the wall annularly distributed the local of the boundary touching the micro jet.Cavitation was gradual to develop regionally at the mode of chain reaction and di...

针对水轮机叶片表面气蚀的典型特征，利用CFD方法进行仿真计算，模拟气蚀形成和作用过程；根据模拟计算结果提出了新观点：空泡溃灭发生微射流以一定的倾角冲击壁面，壁面材料产生的最大应变在流束边界局部区域，呈环状分布；空泡气蚀在局部区域是渐进的，以"连锁反应"形式扩展，具有一定过流环境的分布特征；典型的冲蚀缺陷形貌是空泡气蚀在不同阶段的产物。

Finally, applications of the anomalous propagation of microwave in tropospheric ducts are discussed: in connection with concrete radar parameters, effects of ducts on radar range and detection performance are discussed, the results obtained are of great value for the overall design of radar systems; by use of the interference standards of ITU-R, the co-ordination area of satellite earth-station under tropospheric ducts environment is studied ; by explaining the relationship between evaporation duct and advection fog, a new way to forecast sea advection fog from evaporation duct is provided.

最后讨论了对流层大气波导环境下电波异常传播特性的应用：结合具体的雷达系统参数，模拟计算了大气波导对雷达作用距离及发现概率的影响，对雷达系统的总体设计具有重要的参考价值；对表面大气波导环境下的卫星地球站通信协调区域进行了确定，从理论上很好地给出了协调距离量级的概念，为卫星地球站与地面微波站之间的协调提供了依据和参考；分析了利用海面蒸发波导来快速预测平流海雾的新方法，完善了平流海雾的预报方法，对海上安全作业和生产具有重要的意义。

In order to study the influence of combustion-gas flow of some new antiaircraft rocket system to fire accuracy .

为了研究某新型火箭武器燃气流对射击准确度的影响，文中分析了在较小的发射间隔时，前弹燃气流对后弹的作用力。

However, with the expansion of enterprise and rapid changes of market requirement, workflows model are more complexity and more anticipant and un-anticipant exceptions appear.

这就需要我们在工作流研究中逐步纳入新的技术，以便快速响应目前的需求，增强工作流管理系统的灵活性、可用性和容错性。

The SSTA of February and August in 1998 had two peaks, while the wind speed reached its maximum minus anomalies in January and August. In order to find the circulation anomaly in the South China Sea, the circulation of 19952000 had been calculated by the ECOM hydrodynamic numerical model. The elevation and circulation of January and August in 1998 indicated that there were great anomaly of elevation and circulation after this El Nio event.(1)In January, the whole South China Sea had positive sea level anomaly and anticyclonic velocity anomaly, so the cyclonic circulation was weaker than normal.(2) In August, the South China Sea had positive sea level anomaly, especially stronger in the east of Vietnam, and cyclonic velocity anomaly in south, anticyclonic velocity in north, especially strong in the east of Vietnam. So the cyclonic gyre in the north and the anticyclonic gyre in the south were both weaker than normal, and an anticyclonic gyre appeared in the east of Vietnam.

为研究南海环流在1997/1998年的异常变化，利用ECOM水动力模型计算了1995—2000年的南海环流场，分析了1998年1月和8月南海水位和环流的异常分布，二者均存在显著的异常：①1月，整个南海海盆为正的水位异常，流场为反气旋异常环流，冬季控制整个南海海盆的气旋式环流减弱；②8月，南海海盆水位为正异常，特别是越南东部海区出现较强的正水位异常，南海南部的高水位中心扩大北移；异常流场表现为南部为气旋式异常环流，北部为反气旋的异常环流，且在越南东部海区形成非常强的反气旋异常环流中心，使得控制南海南部的反气旋环流和北部的气旋环流均减弱。

The magnetocurrents in both antiparallel configurations of triple-barrier system are much higher than that in double-barrier structure.

因此，对于多层铁磁RTD，可通过改变磁化方向来达到调节磁电流的目的，相应地增加了调节磁电流大小的可控参数。

First,from this kind of conversion system,the characteristic of space antithetic and the dual distributed for power and data flows are analyzed. According to the concept of power electronics building blocks,a networked distributed control strategy is reviewed,and the building process of the application system is presented.In addition,the theory of standardization for complex power conversion system is summarized.

首先，论文以复杂系统为研究对象，分析了应用系统的功率流和信息流在空间结构上的对偶关系和双重分布的特性；在电力电子集成模块(Power Electronics Building Blocks，PEBB)的基础上，研究了变流系统的网络化分布式控制方案，并得出系统组构的初步构想，总结出适合复杂电力电子系统集成的标准化理论。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。