friction barker是什么意思

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These problems such as the trading attrition have limited the developments of co-operations between these two counties.

经贸磨擦加大，经贸合作困难等问题制约了两国经贸合作发展的进一步深入。

Analytic analysis of friction s influence on coal(rock) samples temperature field;

磨擦对试件破坏过程温度场影响的解析分析

We also studied the nano-friction of carbon nanotubes.

本论文通过使用分子动力学方法研究了低维纳米材料如碳纳米管、Ni纳米线的力学和热学性能，以及在纳米磨擦领域也进行了初步的探索。

By process testing, we discovered the optimal rigidity matching value of friction 30CrSiMoVA Steel with the powder metallurgy material, and put forward an new heat treatment process.

通过工艺试验,找到了30CrSiMoVA钢与某粉末冶金材料相互磨擦时的最佳匹配硬度值,提出了一种热处理新工艺。

Application of 4A zeolite synthesized from Kaolin in toothpaste friction modifier;

高岭土合成4A分子筛及其在牙膏磨擦剂中的应用

As one of these components, friction modifier plays an important function for removing the dirt and colored substance attached to the surface of tooth.

磨擦剂作为牙膏的组分之一,在其中起着重要的作用,它能有效的除去附着在牙齿表面的污垢和有色物质。

The different analysis showed that the nanocomposite films were dense, transparent and scratch-resistant.

　以正硅酸乙酯、钛酸丁酯、异丙醇铝和γ 缩水甘油醚氧丙基三甲氧基硅烷为先驱体,通过分步水解法制得SiO2 TiO2 Al2O3复合溶胶,利用提拉法在普通玻璃表面镀制无机 有机复合透明保护薄膜,通过各种测试方法,对SiO2 TiO2 Al2O3复合薄膜的结构和性质进行了分析,结果表明该薄膜具有致密、透明、耐磨擦等性能。

Aiming at the problem,the text expatiates on experimental study on the tribology of titanium alloy bolts film of impulse and covered with MoS2 including the coefficient of kinetic friction experiment and the attrition resistance experiment,and concludes that the film is provi.

针对此问题,本文对钛合金螺栓脉冲涂覆MoS2膜进行了磨擦学试验研究,其中包括动磨擦系数试验和耐磨性试验,通过对试验数据曲线进行综合性分析研究,得出了该膜层具有润滑效果,且能够达到安装时内外螺纹防咬死的目的和具有反复拆卸的能力的结论。