查询词典 friction coefficient

The belt of this conveyor is supported by the pressure air rushed out of the holes of the air chamber into which air is blowed continuouly in a certain amount and pressure by a fan and wind adjusting mechanism. The conveyor driven by a drive mechanism conveys materials on an air cushion, thus fluid friction is in place of rolling friction between belt and support roller, reducing the friction drag.

本机是通过风机和风量调节机构连续向气室供给一定压力和流量的空气，空气通过气室盘槽上的排气孔在胶带与盘槽之间现成气垫支承，胶带在传动机构的拖动下，在气垫上运行，以流体摩擦代替托辊式胶带输送机的滚动摩擦，减少阻力，达到输送物料的目的。

And fill in 3 of the pump noise to rub pair in influencing the axial column of the Model 63CY14-1B: With mix oil friction , variable head and slippery friction , column of boots of record fill in with column friction to fill hole cylinder block.

而对于影响63CY14-1B型轴向柱塞泵噪音的3个摩擦副：缸体与配油盘的摩擦、变量头与滑靴的摩擦、柱塞与柱塞孔的摩擦。

Careful research on friction materials has been done around the word for many years and the present system include materials mainly consist of polymer matrix, powder metallurgy friction materials and C/C friction materials.

多年来，国内外对摩擦材料进行了广泛的研究，主要形成了有机合成摩擦材料、粉末冶金摩擦材料和碳/碳复合摩擦材料为主的体系。

A comparison test is conducted on SAE No.2 standard test machine to study friction performance,durability,power increment as well as continuous slippage between paper-base friction materials and powder metallurgy friction materials.

利用SAENo2标准试验机对纸基摩擦材料与粉末冶金摩擦材料进行了摩擦性能、耐久性、能量递增以及连续滑动的对比试验。

A kind of wet copper-based friction material was made through powder metallurgy process. The surface microstructure was analyzed through metallographic analysis. The effects of brake conditions on friction coefficients of the material were investigated with MM1000 friction tester.

摘 要：采用粉末冶金方法制备铜基湿式摩擦材料，利用金相技术分析材料表面的微观结构，并用MM1000摩擦试验机研究制动条件对动摩擦因数影响的变化规律。

The wet friction and wear properties were tested by friction ring. The temperature distribution of the friction ring was simulated under the condition of 2500r/min and 1.5MPa.

测试由其制成的摩擦实验环的湿式摩擦磨损性能，并利用软件建立的有限元模型对2500r/min及1.5MPa时摩擦实验环的温度场分布进行模拟。

Additionally, a method of forming a low friction piston ring is provided including applying a friction reducing surface treatment, such as tungsten disulfide, to at least one of the first and second axially facing surfaces and preventing the application of the friction reducing surface treatment on the radially outwardly facing surface.

另外，提供了一种形成低摩擦活塞环的方法，包括向第一轴向面和第二轴向面中至少一个应用减小摩擦的表面处理，例如二硫化钨，并且防止在径向外侧面上应用减小摩擦的表面处理。

In order to reduce ships when the plate between the equipment and the plate friction, has used the roller transmission, causes between the equipment and the plate friction way becomes the rolling friction, maximum limit reduced in the equipment work to the plate attrition.

为了减少在板材运送时设备与板材之间的摩擦，采用了辊传动，使设备与板材之间的摩擦方式变为滚动摩擦，最大限度的减小了设备工作中对板材的磨损。

The results indicate that when soil and pile are same, the shear stresses between pile and soil under the ultimate situations of different modes are different; the negative friction on pile induced by surcharge is maximum; and the negative friction of uplift pile is minimum; the friction of pile top induced by pressing pile and bottom-loaded pile is between them.

结果表明，同种土体和桩体条件下，各种模式达到极限状态时桩－土间剪切应力不同，堆载作用下负摩擦力值最大，抗拔桩负摩阻力值最小，桩顶受压桩、托桩的摩阻力值介于其间；桩材泊松比在0.15~0.35范围内时，桩侧摩阻力随泊松比的增大而增大。

Taking the friction into account and based on the empirical relation for flow friction in circular tube, the paper developed a correlation for the friction factor of gas-solid flow in riser.

参照圆管中的单相流动，考虑提升管几何参数和操作参数的影响，通过定量分析提升管内气固悬浮物与管壁间的摩擦，提出了对表观颗粒浓度的修正式，修正浓度与实际浓度吻合良好。

Molecular Distillation is a kind of high vacuum distillation method, which is suitable for the separation of high boiling, heat sensitivity and viscidity products.

分子蒸馏技术是一种在高真空条件下进行的连续蒸馏过程，适合于分离高沸点、热敏性及具有生物活性的混合物。

They are to the Noughties what yuppies were to the Eighties .

那在六十年代是时髦的，但在八十年代肯定是过时了