查询词典 threshold friction

The antiwear and friction-reducing performances of sodium borate ,potassium borate and lanthanum chloride in water were evaluated on a four-ball friction tester.

结果表明，硼酸钠、硼酸钾和氯化镧可一定程度地提高水的极压、抗磨和减摩性能，硼酸钾性能最优，硼酸盐与氯化镧复合后性能进一步改善。

This layer coating the friction coefficient is extremely small, the existing solid matter in the friction coefficient of the lowest kind.

这一层涂层的摩擦系数非常小，现有的固体物质摩擦的系数最低的一种。

The structure shown in the figure : The governing body received direct or roller drying cylinder, as the main components of the rotation; After finishing the outside of the sphere, Bottom Cover and soak spherical carbon graphite seal ring joint seal reliable seal friction deputy, Sealing ring in the spherical shell of its annular space sliding, in addition to oil-free bearings and with the close cooperation of Shell, Rotating connector so that the free support, and therefore do not require a high level of accuracy installed; Spherical seal ring wear, Spring means of pressure at any time in advance to receive compensation, compensation for the shell slowly moved backward, accessible through the tube outside the inscription on the line to observe the seals wear; When steam, Oil flows through the media or other spherical sealing ring and oil-free bearings, the formation of thin liquid film, sealing and lubrication, thereby reducing friction and wear, extending the service life.

其结构如图所示：外管体直接接到辊子或烘筒上，为主要的旋转部件；经过精加工的外管本球面、底盖和浸泡碳石墨球面密封环共同组成密封可靠的动密封磨擦副，球面密封环在其壳体内的环形空间中滑动，加之无油轴承与壳体的密切配合，使旋转接头自由支撑，故对装机精度要求不高；球面密封环磨损后，借助于弹簧的预压力随时得到补偿，补偿时壳体缓缓向后移动，并可通过外管体上的刻线观察到密封件的磨损程度；当蒸汽、油或其它介质流经球面密封环和无油轴承时，形成一层很薄的液膜，提供密封和润滑，从而减轻了摩擦和磨损，延长了使用寿命。

The study of depinning force and its application in friction show the structure effect on the static friction.

Depinning force和应用于摩擦的研究显示了体积、结构因素对静摩擦力的影响。

Many objects are made up with static friction, paper electriferous is also caused by friction.

不少物体带静电都是由摩擦引起的，纸弛带电也是摩擦引起的。

Therefore, the weight of the sliding wood does not, then the static friction is friction.

因此，重滑木，并不那么静摩擦力是摩擦。

The heavy oil combustion activator mainly used in heating stove of steel rolled, industrial stove, power plant stove, glass furnace ,metal furnace ,ceramic roller kiln and channel kiln .It can accelerate combustion , prevent over-burning, reduce the harmful gas emission. Its energy-saving reaches to 5-8%. Diesel oil combustion activator mainly used in the diesel oil engine which can strengthen atomization ,improve ignition conditions, adjust the value of cetane,restrict intense or knocking vibrations, reduce the fuel de-compound and black smoke emission, prevent over-burning, carbonization and reduce the machine's friction. Its fuel-saving reaches to 3-5%. High efficiency gasoline combustion activator mainly used in gasoline engine, which can improve the gasoline octane rating ,restrain extensive or knocking vibrations, reduce fuel de-compound , prevent over burning , carbonization, reducing machine's friction and toxic gas or black smoke emission, Its fuel saving reaches to 3-5%.

该产品分为重油、柴油和汽油燃烧催化剂三大类，重油燃烧催化剂主要用于轧钢加热炉，工业锅炉，发电厂锅炉，玻璃熔窑，金属熔炼炉，陶瓷辊道窑，隧道窑中，能够促进燃烧，防止结焦，节能达5-8%，减少有害气体的排放；柴油燃烧催化剂主要用于柴油发动机中，起到增强雾化、改善着火条件，调整十六烷值，抑制隆震爆震，降低燃料分解，防止结焦积碳的作用，同时减少机器磨损，节约燃料3-5%，减少黑烟及有害气体的排放；高效汽油燃烧催化剂用于汽油发动机中，能提高汽油辛烷值，平抑隆震爆震，降低燃料分解，防止结焦积碳，减少机器磨损，节约燃料3-5%，减少有害气体及黑烟的排放。

Static friction: When objects and other objects along the contact surface tangent direction of movement or relative movement of the trend in the two objects contact surface between the hamper their relative movement of force, this force is friction.

静摩擦力：当物体和其他物体沿接触面切线方向运动或相对运动的趋势，在两个物体接触面之间的阻碍它们相对运动的力量，这股力量是摩擦。

In this paper, the following experimental and theoretical investigations have been carried out: friction materical behavior tests, structure model experiments under low frequency cyclic and reversed loading, structure model dynamic experiments on shaking talbe, researches on dynamic analysis method and engineering design method for braced frame structure with friction control.

对二级摩擦控制支撑框架结构进行了摩擦材料的试验研究、低周反复荷载下结构模型的试验研究、振动台的动力试验研究、结构动力分析方法的研究以及摩擦控制支撑框架设计方法的研究。

The measuring precision of the rotational tribometer is upgraded from the millimeter level to the micrometer level compared with the linearly reciprocating friction test rig, which gives a more profund understanding of friction characteristics and is necessary for developing high precision frition models.

在摩擦预滑动阶段，GBM模型用一系列含库仑摩擦的弹簧振子模拟预滑动阶段的摩擦特性；在宏观滑动阶段，则采用了改进的Bouc-Wen模型和含变摩擦系数的扩展Stribeck曲线。

There had been a moment during the breakfast meeting, though, after the backslapping and the small talk and when all of us were seated, with Vice President Cheney eating his eggs Benedict impassively and Karl Rove at the far end of the table discreetly checking his BlackBerry, that I witnessed a different side of the man.

那次早餐会期间，在表示过关心和寒暄以后，我们所有人坐了下来，我注意观察了一下，副总统切尼面无表情地吃着班尼迪克蛋（Eggs benedict，源自美国，以英式松饼、火腿、水煮蛋以及荷兰酱组合而成），卡尔。罗夫在餐桌的远端谨慎地经常查看他的黑莓手机，我目睹了他所不为人知的一面。

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