查询词典 threshold friction

The measurement of the friction is always one of the important components of the friction and wear test machine.

摩擦力的测量始终是摩擦磨损试验机的重要组成部分之一。

The basic requirements and characters of powder metallurgy friction material for airplane were reviewed, and the selection of the friction material for Boeing-737 airplane was studied by weighted analysis.

综述了飞机用粉末冶金摩擦材料最基本的功能要求和特点，并采用加权分析对Boeing-737飞机用摩擦材料的选择进行了研究。

Meanwhile, metal powders of Cu and Pb decrease the friction coefficient of PTFE composites, but Ni powder increases the friction coefficient.

金属填料Cu及Pb降低了PTFE复合材料的摩擦系数，Ni则增大了复合材料的摩擦系数；Cu的减磨效果最好，而Pb的减磨效果则最差。

The emphasis of this thesis is the study on the effect and mechanism of mechanical and friction performance caused by rare earth elements in iron based powder metallurgical friction material.

稀土在铁基粉末冶金摩阻材料中作用机理的研究稀土，铁基

Keywords Cu-based friction materials;nano-SiO2;friction and wear;powder metallurgy

铜基摩擦材料；纳米SiO2；摩擦磨损；粉末冶金

Substituting for powder metallurgy friction materials,paper-base friction materials are used in transmissions and brakes to improve their gear shifting and braking smoothness,reduce noise and increase products service life.

采用纸基摩擦材料替代粉末冶金摩擦材料，应用于变速器以及制动器中，改善变速器与制动器的换挡及制动平稳性、降低噪声，提高产品寿命。

Coupling means (7) can take the form of glue, friction material with a particle size of 0.1 1.0 mm, a film provided with friction material, a powder coating or a plasma coating.

利用胶粘剂、大约0.1-1.0mm粒度的摩擦材料、设有摩擦材料的薄膜、粉末涂层或者等离子涂层作为增附结构(7)。

On the basis of experimental data, the character of the friction process between piston ring and cylinder and the factors which affect the friction process and power loss of piston and cylinder have been studied. These factors include the load and the material.

通过试验，对试验数据进行分析和有关计算，研究了活塞环-缸套的摩擦过程特性以及影响摩擦过程的一些因素，此外还对摩擦功耗进行了分析。

The friction between pistonring and cylinder is the primary factor of engines power loss. So, it is much meaningful to cut down the friction between piston ring and cylinder.

活塞环与缸套间的摩擦功率损失是整个内燃机功率损失的重要部分，降低摩擦功耗，提高内燃机效率有重要意义。

In addition, virtually everything possible has been done to the engine to reduce friction, including an offset crankshaft/connecting rod design, plateau honing of the cylinders for a smoother surface and a second low friction piston ring.

此外，几乎所有可能已经做了引擎，以减少摩擦，包括偏移曲轴/连杆的设计，一个光滑的表面和第二低摩擦高原活塞环珩磨的气瓶。

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。

Talk Undelete failed; someone else may have undeleted the page first.

Talk 无法删除选定的页面或图像（它可能已经被其他人删除了）。