查询词典 hydrodynamic

In this paper, the hydrodynamic characteristics and theoretical calculation method of cycloidal propeller have been studied comprehensively, and attempt has been made for cycloidal propellers for using on underwater vehicles, the main research works are as follow

本文就摆线推进器的水动力性能及水动力性能计算方法进行了较全面的研究，并对其在潜器上的应用做了有益的尝试，主要的研究内容包括以下几个方面

In this paper, base on model ship and ship-test, orderliness of the deflective force of single-screw ship for stopping maneuver and hydrodynamic explanation are concluded by the method of qualitative a...

本文在总结船模和实船试验的基础上，通过定性分析的方法，给出单桨船倒车偏向力的一般规律和水动力学解释，并给出几类单桨船制动机动偏向力的估算方法，有助于舰船驾驶员充分、快速地掌握本船的制动机动性能。

So, how studies can accurately prediction to the ducted propeller hydrodynamic performance is more important.

所以，研究如何能更准确地预报导管螺旋桨水动力性能非常重要。

In this thesis, the stead hydrodynamic performance of ducted propeller in uniform flow is predicted by lifting-surface method and surface panel method.

本文应用基于扰动速度势的面元法和升力面理论的耦合方法，计算导管螺旋桨在均匀流场中的定常水动力性能。

By applying FASS for on-line sample concentration, the concentration sensitivity for alkaloids was about three-four orders magnitude higher than hydrodynamic injection.

1首次从理论上研究了场强放大样品堆积中水柱长度与样品进样量之间的关系，推导出了相关的数学模型，并用实验进行了验证

Beginning with karst geomorphological conditions and conduit flow supply, the paperdiscribes the hydrodynamic characteristics of conduit flow.

本文从岩溶地貌和管道流的补给特征入手，阐述管道流的水动力特征，认为管道流水文特性是受管道结构、补给方式和路径所控制的。

Spatial distribution characteristics of dolomite sandification in the research area is inducted. Macroscopic mechanism of dolomite sandification is deeply studied. The effect of dolomite sandification to lithologic association, geological structure condition, hydrodynamic conditions of groundwater, hydrochemistry condition and so on is systematically analysed.

对研究区白云岩砂化的空间分布特征进行了归纳，并深入探讨了白云岩砂化的宏观机理，系统的分析了岩性组合、地质构造条件、地下水动力条件、水化学条件等对白云岩砂化的影响。

It is an effective method to solve the complicated hydrodynamic problems.

本文为研究复杂的水动力问题提供了一种行之有效的方法。

The experimental results show that the thickness is the function of hydrodynamic conditions.

实验结果表明，边界流体层厚度是水动力学条件的函数。

Finally, for all kinds of movements, the hydrodynamic simulation is carried out.

最后给出了水下机器人在潜艇附近运动时，各种运动状态下的仿真结果。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。