振动使土壤的抗剪强度下降是切削阻力下降的主要原因，同时，铲斗与土壤间摩擦力和粘附力下降，也是切削阻力下降的原因之一。
The main reason is that the cutting intension of soil reduced due to vibrating, and another one is the deducing of friction between bucket and soil.
滑动摩擦系统是一种本质非线性振动体系，尚有许多理论和工程实际问题有待解决。
In nature, a sliding friction system is a nonlinear vibration one, there are still many problems, in theory and practical engineering, to be solved.
研究表明，结晶器摩擦力与铸坯质量、生产操作以及结晶器振动台的寿命等有很大的关系。
The study shows that the mold friction has a close relationship with the strand quantities, operation and the life of quick mould change equipment.
文中根据振动摩擦焊接的需要设计了一种新型的电磁式振动头。
A new type electromagnetic vibrating head was designed to meet the use of linear vibration welding apparatus in the paper.
摩擦力距小，最适合于高速旋转，低噪音、低振动的场合。
Friction from the small, the most suitable for high speed rotation, low noise, low vibration.
本文分析了汽车传动轴高速状态下横向振动的稳定性与扭转振动，以及摩擦力、阻尼和花键轴的运动对横向振动的影响。
The stability of transverse vibration in high speed automobile and the influence of torsional vibration, friction, damping and movement of spline shaft on vibration are discussed.
利用油液监测和振动监测技术，分别从摩擦学和动力学两个方面采集试验设备的信息；
Utilizing the oil monitoring and vibration monitoring technologies, the tribology and dynamical data was collected from trial equipment.
考虑冲击外力、传动间隙、碟形弹簧刚度、阻尼及预压力等因素，仿真得出蜗杆和摩擦片的振动响应曲线，与部件实际运动规律相吻合。
Obtain the vibration response curve of worm and friction discs by simulation calculation, the simulation results accord with the actual device motion rule.
从分析其受的摩擦力出发，讨论了最大摆角变化的规律；计算摩擦力作功的简便方法；运动方程及振动经历的时间问题。
Starting with the friction underwent, we discuss the regularity of the variety of the max swing angle, the simple way to work out the friction doing work and the equation of motion etc.
基于宝钢板坯连铸试验平台，开展了液压振动下的结晶器摩擦力检测实验研究。
On the Baosteel continuous casting test platform, the mold friction tests with hydraulic oscillation system were carried out.
随着结晶器液压振动装置在连铸生产中逐渐推广应用，与之相关的结晶器摩擦力在线监测方法己成为一个新的课题。
With the spread and application of hydraulic oscillators in continuous casting, the on-line measurement method of mould friction is coming to a new subject.
应用结晶器非正弦振动技术可以降低结晶器摩擦阻力，减少粘结性漏钢，同时大幅度降低高拉速时的结晶器振动频率。
The non-sinuous oscillation of the mold is used to reduce the mold friction force and stick type breakout, and to lower the oscillation frequency for high speed casting.
在一定程度上，轮轨间摩擦力的大小不是引起系统振动失稳的关键性因素。
The magnitude of the friction forces between wheels and rails are not crucial for the instability of the wheelset-track system in some degree.
由系统振动位移响应公式得出，当摩擦力变化频率与系统固有振动频率非常接近时就会出现共振。
When friction changing frequency is very close to natural frequency, there will be resonance from the vibration displacement response formula.
基于液压振动装置的板坯连铸机，对结晶器摩擦力进行了瞬态检测，分析了结晶器摩擦力的周期行为特点。
Based on a slab caster equipped with hydraulic oscillators, the transient mould friction force was measured, and the characteristics of periodical behavior of mould friction force is discussed.
研究利用一种摩擦力随振动幅值的增大而增大的阻尼铰进行结构振动的被动控制。
A new type of joint, which offers a friction force dependent on the amplitude of displacement, is proposed to suppress the vibration of structures.
本文以板坯连铸机为研究对象，对液压振动条件下结晶器和铸坯间的瞬态摩擦力进行测试和分析。
Based on a slab caster which is equipped by hydraulic oscillators, the transient friction force between mould and strand shell was measured and analyzed.
通过检测不同振动参数下，冷态和拉坯时振动系统输出力的变化情况，计算出结晶器与铸坯间摩擦阻力。
By measuring the hydraulic forces of cylinders in cold and hot tests with different oscillation parameters, the friction forces between strand and mold were calculated.
通过检测不同振动参数下，冷态和拉坯时振动系统输出力的变化情况，计算出结晶器与铸坯间摩擦阻力。
By measuring the hydraulic forces of cylinders in cold and hot tests with different oscillation parameters, the friction forces between strand and mold were calculated.
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