This nonlinear change in friction force over a small change in velocity results in uncomfortable feeling when people hitchhike hydraulic lift.
该摩擦力的非线性改变使速度产生变化，导致人们在搭乘液压电梯时产生不舒适感。
On the Baosteel continuous casting test platform, the mold friction tests with hydraulic oscillation system were carried out.
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。
Furthermore, the friction coefficient of a specimen can be obtained so long as the hydraulic pressure is recorded during testing.
而且只要在试验时记录出液压力，就可求得试件的摩擦系数。
It is found that both the initiation hydraulic gradient and the failure hydraulic gradient increase with confining pressure. This is mainly due to the increase of friction between particles.
试验结果表明，起动水力梯度和破坏水力梯度都随着围压的增大而增大，是由于增大围压使得颗粒间的摩擦力增大的结果。
The channel friction is importance parameter of hydraulic analysis, a channel friction parameter inversion method based on Kalman filter with unknown parameter vector is proposed.
河道糙率是洪水水力计算的重要参数，引入控制论理论，应用带参数的卡尔曼滤波法进行河道糙率反演分析。
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.
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。
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.
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。
The application of electro-hydraulic proportional control technology in the test of liner friction coefficient and the testing principles of friction coefficient were introduced.
介绍了电液比例控制技术在衬垫摩擦系数中的应用及摩擦系数测定的原理。
Based on a slab caster which is equipped by hydraulic oscillators, the transient friction force between mould and strand shell was measured and analyzed.
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。
Main clutch: normally opened, multi-plate, powder metallurgy friction plate and hydraulic booster control.
离合器为常开式、多片湿式粉末冶金摩擦片、液压助力操纵。
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。
The optimum passage section figure of rectangle is square, and the rectangle has 4 optimum comer circular arcs which make the hydraulic loss of friction loss of per unit length passage the least.
矩形流道断面以正方形为最优，且存在最优角圆，使单位长流道沿程水力损失最小。
The optimum passage section figure of rectangle is square, and the rectangle has 4 optimum comer circular arcs which make the hydraulic loss of friction loss of per unit length passage the least.
矩形流道断面以正方形为最优，且存在最优角圆，使单位长流道沿程水力损失最小。
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