查询词典 dynamic friction

The friction, which obviously, is a loss, results in the friction drag of the airfoil.

摩擦，这很明显，是一种损失，结果在摩擦拖曳的翼型。

Focused on many problems existing in pressure control system of drilling pipe friction welding,such as high failure rate and poor amenability,the basic principles of friction welding and electro-hydraulic proportional technique were briefly described.

针对焊接钻杆连续驱动摩擦焊机采用开关阀组成压力控制系统存在故障几率高、可控性差等问题，将电液比例控制技术应用在摩擦焊压力控制中，实现了摩擦焊轴向压力闭环控制、滑台进给速度的开环控制；可对摩擦焊机主轴速度、轴向压力、轴向缩短量、主电机电流、油温等进行实时检测。

The studied factors respectively are: length of soil nailing, insert deepness of piles, friction force of soil nailing interface, declination angle of soil nailing, horizontal spacing of soil nailing, rows of soil nailing, unit weight of soil, friction angle, unit cohesion, overload of slope, diameter of soil nailing.

这11个因素分别为：土钉长度、土钉直径、土钉界面摩擦力、土钉下倾角、土钉水平间距、土钉排数、土体重度、内摩擦角、粘聚力、坡顶超载、板桩插入深度。

Then, it used fiber friction coefficient analyzer to measure wool antidromic and direct friction coefficient.

同时，利用纤维摩擦因数测定仪测定羊毛纤维的顺逆摩擦因数，以确定改性后羊毛鳞片的去除情况。

Due to the characteristics of Barium sulphate is widely used in the friction material of a kind of friction performance regulator.

由于硫酸钡具有的特性，所以是摩擦材料中普遍应用的一种摩擦性能调节剂。

However, it was training for some long-standing friction between the person investigation, could not help but be taken aback: The surveyed 200 elderly people insist on friction, almost everybody Hefatongyan, energetic.

然而，有人对一些长期坚持磨擦锻炼的人进行调查之后，不禁吃了一惊：被调查的200位坚持磨擦的老人，几乎个个鹤发童颜，精力充沛。

The 3D-model of the brake band, countersunk head bolt and Friction Flake is established, and the frictional contact problem of brake band and friction flake was analyzed with the large-scale nonlinear finite element analysis software MSC.

以某超级油轮的锚机带式制动器为研究对象，建立了制动带、沉头螺钉和摩擦片的三维实体模型，并应用大型非线性有限元分析软件MSC。

Taking the optimization design and construction about friction pile s breast wall of Zhaitou II bridge in the highway from Sanhui to Kaili in Guizhou province as the example,this paper expatiates the optimization method about manual well concrete piles breast wall of friction pile when the bridge pile foundation drills through bad geology,so as to be references for similar projects.

文章以贵州境内三穗至凯里高速公路寨头II号大桥摩擦桩护壁优化设计与施工为例，阐述了桥梁桩基穿越不良地质地段时摩擦桩人工挖孔护壁的优化方法，以供同类工程参考。

By using static gap element theory, calculating the drill string friction through nonlinear mechanics iterative, the size and distribution rule of friction are found .

本文利用静力间隙元理论方法，对钻柱摩阻力进行非线性力学迭代计算，得出摩擦阻力的大小及其分布规律。

After the analyses of the force about different shape of caterpillar thorn, it was considered that the drive force of caterpillar tractor consisted of friction force, extruding and cutting force, edge cutting force and thorn friction force.

一般认为，拖拉机在田间行驶时，切线牵弓l力是由土壤抗剪力产生的，其计算公式通过土壤剪切力导出11·2}。这一观点忽略了其它一些因素的影响，并且只适用于直板式履刺。

There are different types of personal loans available.

有许多不同类型的个人贷款优惠。

The above mentioned teaching model of spiral rising can be used to avoid rigidness in teaching.

上述螺旋式上升的教学模式，可以避免教学形成模式後的僵化现象。