A crosshead slipper-guide system,which bears a significant thrust force,is an essential friction pair in low-speed marin......

In the present paper,we present an investigation on the effect of roughness elements onto near-wall kinematics of a zero......

Objective To study the course of a superior mesenteric artery(SMA)and the angle between SMA and abdominal aorta in early......

交流电力机车三电平逆变器-异步电动机系统采用SVPWM控制时,在低速启动阶段,希望正多边形磁链轨迹尽可能接近圆形,使异步牵引电动......

研制出一种低频振动传感器作为谐振器，利用谐波小波在频域连续分布且具有严格的盒形谱特性，通过适当调整参数m和n，构造出不同频段的带......

We propose a low-speed photonic sampling for independent high-frequency characterization of a Mach–Zehnder modulator(MZ......

使用线切割慢速走丝机床加工单边7件复合配合零件。其单边配合间隙为0．004mm。阐述了其加工工艺．分析了整个过程可能出现的问题．提出......

在近失速和失速状态下，利用五孔探针对单级轴流压气机转子前后的三维流场进行了详细的测量和对比分析。基于失速状态下进出口壁面静......

半导体换流低速磁阻电动机是一种结构简单,运行可靠的直接驱动低速大力矩电动机.由于电机定转子齿的双开槽结构,电机的电感不为常......

铜川市区发育有为数甚多的缓动式低速滑坡。本文探讨了此类滑坡的滑移动力学机理。研究认为,由于滑面的峰—残微差效应、滑面动静......

以76 500 t散货船低速柴油机推进轴系为研究对象,建立运动学模型。在考虑柴油机激励力和螺旋桨激励力作用下,分析推力轴承刚度对纵......

为了便于研究喷涂过程中熔滴粒子的碰撞扁平行为,根据雷诺数力学相似性准则,采用低速大熔滴撞击基体来模拟粒子的碰撞扁平行为.设......

The instability of one single low-speed streak in a zero-pressure-gradient laminar boundary layer is investigated experi......

The evolution of two spanwise-aligned low-speed streaks in a wall turbulent flow, triggered by the instability of the su......

Upper surface wing flaps, known as spoiler, are typically used to reduce lift and increase drag at touchdown;however spo......

Extraction of the lower third molar is one of the most common procedures performed in oral surgery. In general, impacted......

The characteristics of low-speed fluid streaks occurring under shearedair-water interfaces were examined by means of hyd......

The ejector-powered engine simulator(EPES)system is an important piece of equipment in conducting an influence test of t......

本文根据各类资料,在大量事实的基础上,按照滑坡的本构特征,运用动力学的基本定律,探讨了滑坡动态规律,提出缓动式低速滑坡对外力......