查询词典 contact rail

In history of metro development about 40 years in China, the technology of contact rail updated step by step, and takes aim at international advanced level at present.

在我国近40年的地铁发展史上，其接触轨技术从零开始一步步向前发展，现在已经瞄准了接触轨技术的国际前沿。

The setups and schemes for experimental study are designed according to the characters of friction contact between slide guide and rail along lateral and vertical directions. Experimental results are processed and analyzed.

针对滑动导靴和导轨之间的横向和纵向摩擦的特点，设计了相应的实验装置，拟定了实验方案，并对实验结果进行了初步的分析和处理。

Effect of the expansion rate of contact patch, due to wear of material, on the frictional temperature was analyzed in pure slide of wheel on rail.

结果表明：接触斑材料的磨损速度只影响磨损过程中的温度场分布，其稳态温度场分布基本一致；热载荷随着纵向载荷、蠕滑率以及摩擦系数的增大而增大，进而影响轮轨滚动接触热疲劳。

Through comparisons and analyzing of a large amount of cases, the dynamic friction characteristics between slide guide and rail, including the variation tendency of friction with the parameters just like relative displacement、relative velocity、relative acceleration、contact area、lubrication condition and slide guide type, are discussed.

通过分析和比较大量的实验结果，探讨了导靴与导轨之间的摩擦特性，包括摩擦力随相对运动的位移、速度、加速度，以及正压力、润滑状况和导靴类型等参数的变化情况，为进一步的研究工作提供实验基础。

Among the four relations of study for system design standard, it is suggested the focus is the relations between 1500V DC contact rail and human safety.

在直流1500V接触轨系统的&四大环节&研究中，建议重点对系统设计标准及产品制造标准进行研究；在系统设计标准的&四大关系&研究中，建议重点对1500V接触轨与人身安全防护关系进行研究。

High precision imported linear guide rail, imported straight-line bearing, straight spools, import joint bearings rolling bearings, and small-sized bearing, self-aligning roller bearings, tapered roller bearings, angular contact ball bearings, etc.

高精度进口直线导轨，进口直线轴承，直线轴，进口关节轴承，小型轴承，轧机轴承，调心滚子轴承，圆锥滚子轴承，角接触球轴承等产品。

High precision imported linear guide rail, NSK bearings imported from, linear bearing, straight spools, import joint bearings rolling bearings, and small-sized bearing, self-aligning roller bearings, tapered roller bearings, angular contact ball bearings, etc.

高精度进口直线导轨，进口NSK轴承，直线轴承，直线轴，进口关节轴承，小型轴承，轧机轴承，调心滚子轴承，圆锥滚子轴承，角接触球轴承等产品。

First contact with linux, for the first time a week in a loss of the installed operating system, the first cross-compiling qt a few hours the last pop-up to a make error, accidental contact, inevitably in-depth.

第一次接触linux，第一次茫然的装了一个星期的操作系统，第一次交叉编译qt 几个小时最后弹出来一个make error，偶然的接触，必然的深入。

For more information on Quantum View Manage, contact your UPS Account Executive or contact UPS directly.

若要了解关于 Quantum View 管理的更多信息，请联络您的 UPS 帐户经理或直接联络 UPS。

Severe burns may result from direct skin contact, irreversible damage or blindness from direct contact of the chemical to the eyes, and inhalation of per- acetic acid vapor or mist will irritate the nose, throat, and lungs. Currently there

直接接触皮肤会导致严重烧伤，此化学品与眼睛直接接触会导致不可逆损害或致盲，吸入过氧乙酸的蒸汽或雾会刺激鼻腔、喉和肺部。

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。