本文提出一种柔性地下层和一个滑动摩擦表面相结合的新隔震体系供大家讨论。
A new base isolation structural system which combines a flexible underground story with sliding frictional interfaces is proposed in this paper.
密炼机的主要是轴子轴与轴承衬的滑动摩擦表面磨损,变得粗糙,造成轴承漏油。
Is mainly the axle axis and the bearing bush sliding friction surface wears, becomes rough, creates the bearing oil leak.
活塞表面涂有石墨以减少摩擦。
每块阿伦德碎片样本都覆盖着一层黑色的、玻璃样的熔壳,这层熔壳是在它们的外表面与地球大气层摩擦减速中熔化形成的。
Individual specimens of Allende are covered with a black, glassy crust that formed when their exteriors melted as they were slowed by Earth's atmosphere.
雨滴落在太阳能电池板上,然后滚落下来,此时它与电池板表面产生摩擦力,这种摩擦力可以转化为电能。
When a raindrop falls on the solar panel and then rolls down, it creates friction on the surface of the panel, which can then be turned into electricity.
摩擦力之所以产生,是因为两个表面上的分子彼此粘合,当表面试图移走并打破这种粘合时加以抵抗。
Friction arises because the molecules on both surfaces bond with each other, and resist when the surfaces try to move away and break the bonds.
物体表面越粗糙不平,它的分子就越容易更多地与接触表面的分子相粘合,因此就会产生更大的摩擦力。
The more rough and jagged something is, the more easily more of its molecules will come into contact with molecules on the surface it touches, and thus the greater force of friction they will exert.
双动滚笼式螺旋预处理机是通过对块状物体的离心滚动摩擦碰撞,清除其表面的非同质附着物。
The double moved cylinder pretreating-machine clears away the nonidentical substance adhering to the surface of lump-shaped objects via centrifugal rolling friction collision.
这表面有极高的硬度(60局。),耐磨性和耐腐蚀性,低摩擦系数。
This surface has extreme hardness (60 RC. ), excellent wear and corrosion resistance, and low coefficient of friction.
土壤摩擦力还随固体表面光洁度降低而增加,随表面硬度增加而趋于减小。
The friction increases with the decrease in solid surface finish and tends to decrease with the increase in its surface hardness.
机械加工表面形貌表征和评价一直都是表面计量学和摩擦学领域最重要的课题之一。
Characterization and evaluation of machined surface topography has always being one of the most vital and appealing issues in the area of surface metrology and tribology.
对机器人的牵引力、运动速度、在不同摩擦系数介质表面上的运动能力、头舱姿态进行了试验。
Experiments are made on locomotion force, velocity, locomotion ability on surfaces with different friction coefficients, and pose of the head cabin.
高表面能引起的粘着为聚氨酯摩擦系数较高的主要原因。
It is the high surface energy that contributed to larger friction coefficient of polyurethane threads.
磨损失效系指表面之间的相对滑动摩擦导致其工作表面金属不断磨损而产生的失效。
Wear failure refers to the relative sliding friction between the surfaces causes the surface of the metal continue to wear their work arising from the failure.
计算结果表明,外加偶极子磁场使激波脱体距离增加,壁面摩擦系数和表面热流密度增大。
The results show that the shock standoff distance, skin friction coefficient and surface heat flux all increase with the strengthening of the external dipole magnetic field.
还给出了表面摩擦力系数和边界层位移厚度的计算结果。
Results of calculated skin friction and displacement thickness are given.
轴瓦与座孔表面的摩擦系数将影响其过盈配合的可靠性。
The friction between the shell back and bearing housing surface has an effect on the reliability of interference fit.
现在科学家们认为有些摩擦力是由于物体表面的分子和另一物体表面游动的分子之间的吸引力所引起的。
Scientists now believe that some of the force of friction is due to attraction between the molecules of one surface and those of the surface sliding over it.
流体流经管道时,由于管道表面的摩擦力而产生力头损失。
While fluids flow through a pipe, dynamics loses because of the surface friction of pipe.
特殊的表面结构,增强了摩擦力,创造了更加舒适和安全的运动地面环境。
Special surface structure the friction and creates more comfortable and safe ground environment for the movement.
若流线型物体表面的摩擦阻力系数仅为相对粗糙度的函数,则形状阻力系数与雷诺数无关。
Since if the frictional resistance coefficient is a function of relative roughness, then the form resistance coefficient is independent of the Reynolds number.
在钛合金表面进行激光熔覆,可提高钛合金的表面性能,获得高硬度、耐磨性能好、低摩擦系数的熔覆层。
Laser cladding on titanium alloys can improve the surface properties, obtain the coatings with high hardness, good wear resistance and low friction coefficient.
在干燥表面上,球体运动时前方受到的摩擦力比后方要大,且其旋转方向和滑行方向是不同的。
On dry surfaces, the front of a spinning sphere generates more friction than the back, and the sphere veers in a direction different from that of the rotational vector.
本文通过刚块动力模型试验,对具有光滑表面刚性块体的动、静摩擦系数关系进行了初步探讨,并以模型试验结果验证了离散元数值模型的正确性。
The relationship between static and dynamic friction coefficients of the rigid blocks with smooth surfaces has been studied preliminarily by means of a dynamic test of rigid blocks in this paper.
摩擦学性能由销一盘式试验过程中的摩擦力数据和对磨痕的表面轮廓仪和扫描电镜分析作出定量、定性的评价。
Friction force measurements during unlubricated pin-on-disc sliding tests, profilometry and SEM analysis of wear tracks are used to determine the wear behavior quantitatively and qualitatively.
连铸坯与结晶器间摩擦力是反映铸坯表面质量、优化工艺参数和进行拉漏预报的有效参数。
The friction between billet and mold is an effective parameter reflecting billet surface quality, optimizing technologic parameters and predicting breaking out.
用改进的油流显示法研究和对比了层流和湍流状态下绕椭球流动的表面摩擦力线结构。
Structures of the skin friction lines (SFL) appearing on a prolate spheroid in laminar and turbulent flows were investigated and compared by using an improved oil-flow visualization technique.
用改进的油流显示法研究和对比了层流和湍流状态下绕椭球流动的表面摩擦力线结构。
Structures of the skin friction lines (SFL) appearing on a prolate spheroid in laminar and turbulent flows were investigated and compared by using an improved oil-flow visualization technique.
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