hertz相关论文
针对传动装置中钢球复杂的接触问题,利用ANAYS Workbench软件建立钢球与圆盘凹面的非线性接触模型,基于有限元分析方法,对模型进行......
病名~(-1):名称较多,如遗传性肾炎、慢性遗传性肾炎、遗传性家族性慢性肾炎、遗传性家族性先天性出血性肾炎、遗传性间质性肾炎、......
在假设轮轨接触的压力为 Hertz 椭圆分布且热源为瞬时静态热源的基础上,用 Laplace 变换法研究了轮轨之间的滑动所造成的温升。
B......
对稳态轮轨接触三维精确理论、简化理论以及用这些理论解决车轮和钢轨的多点接触现象的方法进行了述评，提出了进一步研究的课题。并......
光电效应是1887年赫兹(Hertz)做验证电磁波的实验时偶然发现的,当他用紫外光照射接收偶极子的两个锌球之一时,两锌球之间很容易有......
作为一个走遍国内,也游览过一些国家的旅行者来说,出境自驾还是充满诱惑的,尤其是加拿大这种公路条件良好,沿途风光迤逦的国家来说......
美国是世界上拥有汽车最多的国家,也是世界上租车最方便的国家。在美国,无论你到哪里出差,都可以很方便地租到一辆汽车。 比如近......
应用Hertz理论推导低速条件下四点角接触球轴承接触载荷与变形的关系式,分析了滚道曲率半径、初始接触角对轴承的径向、轴向承载能......
See“The International System of Units(SI),”NIST Special Publication 330,B.N.Taylor,ed.(USGPO,Washington,DC,1991);and“......
用弹性力学中的Hertz弹性球体碰撞公式,把钢轨当作半径无限大的平面园形,得出车辆对钢轨接头的冲击力计算公式。把接头处的钢轨看......
Based on Hertz contact theory, a method to determine the parameters of Kelvin impact model for seismic pounding analysis......
In this paper, a Q switched intracavity frequency doubling Cr∶LiSAF laser is reported. The relation of laser outpu......
An ultra-narrow spectroscopy of clock transition with high signal-to-noise ratio is crucial for a high-performance atomi......
国内外研究岩石破碎理论的学者和钻探专家研究金刚石钻头碎岩机理时,多从单颗粒金刚石破碎岩石的情况入手,并且常把金刚石颗粒理......
经巴黎飞抵波尔多机场时是清晨8时许,沿电动输送带循着Renta Car的绿色指示牌前往租车柜台,笑容可掬的职员已开始一天的工作。简单......
Two Nd:YAG lasers operating at 1064 nm are separately servo-locked to two vertically mounted ultra-stable cavities. The ......
The International Symposium on Photonics and Optoelectronics(SOPO 2010) will be held in Chengdu,China from June 24th to ......
Utilizing a polarization sensitive terahertz detection method where the detector is rotated by either 0° or 90° to mea......
Ultra-narrow linewidth laser with several hundred hertz at room temperature has attracted a great deal of attention in r......
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According to elastic contact theory,contact model between roller and race is established.Compared with the Hertz results......
使用能够模拟推力球轴承工作的光干涉油膜测量系统,在静态时基于Hertz接触理论测量得到了该轴承座圈滚道的波纹度变化,并测量了轴......
Most of us can’t bear the sound of nails on a blackboard,but why? Researchers have a possible explanation. It turns out......
一材料引证文献[1]中谈到:一个刚性球体,在弹性球体件上作对中压入时,其压入深度按赫芝(Hertz)公式可写为: h=CP~(2/3)(1/D_x+1/D......
新西兰旅游局与Visa中国日前宣布推出“新西兰首选Visa”活动,国内喜爱境外自由行的Visa卡持卡人将可以享受到由新西兰旅游局和Vi......
1894年,Hertz开辟了非完整约束系统动力学的研究领域,一百年来,其理论与应用都取得了巨大成就。近代科学技术的迅速发展充分显示......
当系统对某些激励(一般称为强迫函数)起响应时,就存在振动,图1.A和B中的重块受外力作用移动至某一位置,然后放松,重块的运动将会......
Synchrotron radiation tomography has been used as a non intrusive technique to study layer structures and internal defe......
这个标题应该是非常吸引诸位眼球的题目,标题的实际内涵是提醒各位同学明确器乐练习的目标,不仅仅是我们通常所说的枯燥无味的“技......
1 Putting forword the question and its calculating method The lubrication of involute spur gear transmission is the typ......
Partial lubrication or mixed lubrication in the nano-scale is discussed, which is consti-tuted from dry contact, boundar......
In the present paper, the influence of electric double layer (EDL) on thin film lubricationand elastohydrodynamic lubric......
The point and the line contacts of a toroidal continuously variable transmission (CVT) are studied. The contact shapes b......
The transient response to longitudinal impact of flexible rods with Hertz contact is closely related to the extent of de......
Improvement from the pseudo-elastic effect of shape memory alloy (SMA) on the low-velocity impact (LVI) resistance of a ......
一句话影评《数码先锋》:这是一部对《007》充满挑衅意味的电影,它没让人失望。《洛杉矶周刊》:在这个由暴力搭起的芭蕾舞台上,即......
Continuous Tera-Hertz wave transmission spectroscopy of Nb double superconducting split-ring resonat
Transmission spectroscopy of two Nb double superconducting split-ring samples with different thicknesses on MgO substrat......
赫芝(Hertz)于1887年发现光电发射效应,为了纪念光电发射效应发现100周年,本文对实用光阴极的发展历史作一简单的回顾,并对其现况......
Hertz Electronic公司用大块不列颠合金(一种锑锡铜合金)在法国生产出了红外开关,称为观察者。红外开关的功能:当罪犯进入时,提供......
手机响动幻觉指手机明明没有响动,却总感觉手机在响的幻觉或错觉。人们在洗澡、看电视或者使用有噪音的设备时常常会产生手机响动......
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