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Roughness and contact angles were measured by profilemeter and contact angle meter,Corrosion resistance of titanium immersed in simulated body fluid was investigated by polarizationcurves and electrochemical impedance spectroscopy.

利用电化学方法在模拟体液中测定其极化曲线和交流阻抗图谱。

On the basis of the Washburn principle , the contact angles of various liquids such as deionized water, sodium chloride solution of mass fraction 0.05, ethanol and ethanol-water solution of volume fraction 0.15 on the sediment surface were measured by the JF99A contact angle meter with osmotic pressure method.

根据Washburn原理研制的JF99A型粉体接触角测量仪，是利用渗透压力法测定粉体的接触角。

Polar perfluoropolyether lubricant film has been fabricated on single crystal silicon by dip coating technique. The contact angles of distilled water droplet on the single crystal surface and the lubricant film surface were measured with a contact angle meter and the chemical states of C of the film determined with an X ray photoelectron spectrometer.

利用浸涂技术在单晶硅基片上成功地制备出极性全氟聚醚润滑膜，在DF－PM型动－静摩控系数精密测定装置上考察了润滑膜的摩擦特性，并采用接触角测定仪和X射线光电子能谱仪对润滑膜的表面性质和化学状态进行了表征。

Based on the simulation data, the effects of clearances, damping coefficient and the rotation speed on the dynamic behaviors are studied: compared with ideal mechanisms, mechanisms with clearances are less stable; as for mechanisms with clearances, when the crank rotates at the speed of 100rad/s, the actual clearances are always above the radium of clearances, axle pin and axle cover keep contact throught the rotation; when the crank rotates at the speed of 20rad/s, mechanisms are in an unstable state, at an angle of about 300, the actual clearances are below the radium of clearances, pairs lose contact, which results in collision between them; with the speed of 20rad/s, when damping coefficient is assumed 175Ns/m, distinct separation and collision happen between pairs; when damping coefficient is assumed 220Ns/m, separation and collision are controlled.

在含间隙机构中，当曲柄以100rad/s转动时，运动副间隙始终大於半径间隙，轴销与轴套始终保持连续接触；当曲柄以低速20rad/s转动时，系统处於极不稳定的震荡状态，在转至300°左右时，运动副间隙小於半径间隙，脱离接触，发生明显的分离碰撞现象。在含间隙机构中，曲柄以低速20rad/s转动，当取法向阻尼系数为175Ns/m时，副元素发生明显的分离碰撞现象；当取法向阻尼系数为220Ns/m时控制了副元素的分离，副元素一直处於连续接触状态。

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The next step if there was something wrong, then you can contact contact the seller when a reasonable solution, if he did not solve the problem, the seller was one of those banner of the name of Consumer Protection Consumer Protection service for failure to perform the kind of mask man , with regard to this situation with the Consumer Protection Taobao has a return flow, this process is beneficial to buyers.

下一步如果真的有问题的话，再联系联系卖家时候可以合理解决，他如果不解决的话，这种卖家属于那种打着消保的大旗而不履行消保服务的那种假面人，关于这种情况淘宝网有一套用消保退货流程，这个流程是对买家有利的。

With the special contact ability of LS-DYNA, the numerical simulations show the contact relationship between the door and the frame, the door blot and bearing, respectively.

同时，充分利用 LS-DYNA 提供的强大的接触分析功能，真实模拟了抗爆门和门框，门轴之间的接触关系。

During computer calculate, According to condition of charging of bell-less top blast furnace, and burden motion characteristics and contact situation in charging process, the reboxing is used to distinguish the point of contact between burden granules and between burden granular and wall.

本文将其引入冶金工程科学研究，从高炉炉料颗粒的运动机理研究高炉无钟炉顶布料过程及布料规律，确立了高炉无钟炉顶布料的炉料分布和料面形状的理论数学模型，推动了高炉无钟炉顶布料的理论研究。

The numerical results show that: the stress distribution on contact surface is relative to the relative velocity of sliding block and friction coefficient, and the maximum relative error of stress can be 100.08%. The non-linear Stribeck friction model can better describe the real situation of contact surface, because of the consideration of impact of the relative velocity to the friction.

研究结果表明：随着接触体相对速度的改变，摩擦因数相应变化，接触面上的应力与位移的分布随之改变，应力最大相对误差达100.08%；Stribeck模型考虑了速度对摩擦因数的影响，更能描述接触的真实情况。

The riveting technique for an electric contact was improved,and the processing technology for the bridge joint subassembly and the feed in scheme for the electric contact were determined.

通过对电触点铆接方法的工艺改进，制定了定位桥组件的生产工艺及电触点的送进方案，实现了电触点在精密多工位级进模内的自动送入及其与冲制件的装配、铆接。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。