查询词典 fin

Gymnarchus niloticus ; long-based dorsal fin ; undulation ; kinematic model

尼罗河魔鬼；长背鳍；波动；运动学模型

The hy-dromechanical performances of the undulatory long dorsal fin propeller of Gymnarchus niloticus are estimated applying the large-amplitude elongated-body theory...

计算表明：&尼罗河魔鬼&在0.728～0.985身长／s的速度范围内，长背鳍波动推进的水动力学效率介于81.664％-86.420％之间，表明长背鳍波动推进游动是一种适应水中环境的高效游动模式。

Gymnarchus niloticus ; the long-based flexible dorsal fin ; undulation contour ; polynomial-fitting function ; MPF ; aquatic bio-propulsion

尼罗河魔鬼；柔性长背鳍；波动包络线；多项式拟合方程；奇鳍/对鳍推进；水下仿生推进

By continuous welding the helically wound fin to the tube, more efficient heat flow is achieved from the tip of the tube wall, it also eliminates gaps in the heat flow which can occur when interrupted or spot welding procedure is used .

由于连续地把螺旋翅片焊接到管子上，就使更多的有效热流从翅片顶端直达管壁，且消除当采用间断焊或点焊焊时可能存在的热阻问题。

A method for the determination of hyaluronic acid in shark fin by high performance liquid chromatography is described.

建立了一种测定鲨鱼翅中透明质酸的酶解高效液相色谱方法。

The high quality of the fossils also allowed the team to examine the joint surfaces on many of the fin bones, concluding that the shoulder, elbow and wrist joints were capable of supporting the body, like limbed animals.

许多高质量的化石也允许小组验证接缝表面飞翅骨头，认为，肩膀、手肘和桡腕关节是能支持体构，象有肢的动物。

The studied results provide scientific basis for the design and optimization of the louvered fin radiator, which have an important engineering value in a certain extent, it is useful to optimize the automobile cooling system.

本文对百叶窗翅片的流动和温度场进行了比较全面的数值模拟，分析了各种几何结构参数的影响，具有一定的学术意义和工程应用价值，为汽车冷却系统的优化设计提供了依据。

The louvered fin radiator was widely used in the cooling system of automobile due to its high compactness, low weight and low cost.

随着汽车工业的发展，百叶窗翅片式散热器以其极大的紧凑性、良好的换热性能，在汽车冷却系统中得到了越来越广泛的应用。

Because of the complexity of the geometrical structure and flow structure, the experiment researches on the louvered fin radiator were very difficult.

由于百叶窗结构复杂，其内部流场的复杂性，这使得实验研究受到许多限制。

In this paper, the complex flow and coupled heat transfer in the louvered fin radiator were numerically simulated, and the effect of each geometry structure parameter was systematically analyzed.

分别分析讨论了变化百叶窗角度和均匀百叶窗角度对百叶窗翅片传热和流动性能的影响。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。