查询词典 contact rail

By applying the difference arithmetic to solve the differential vibration model of the single-degree-of-freedom,the acceleration responses of the vibrated bevel wheel was calculated.The bevel wheel contact fault was simulated by taking it as the impulsion loading in local point.By using techniques of wavelet de-noising and demodulated resonance,gear contact character information was picked up successfully.

从齿轮的单自由度振动模型出发，运用差分算法对模型进行求解，得到斜齿轮的振动加速度响应，将齿面接触型故障等效为在局部点突加一个冲击载荷，对齿轮齿面接触型故障进行了仿真，利用小波降噪和共振解调技术分别对仿真的染噪振动加速度信号进行处理，成功地提取了轮齿接触故障的信息。

In the course of numerical calculation, the influence among asperities, the coupling problems of the variation of temperature and pressure on contact surfaces, the variation problems of the maximum temperature, maximum contact pressure, maximum stress were taken account into.

在数值计算过程中，着重考虑了微凸体之间的相互影响，温度变化与接触区域压力变化的耦合问题，最高温度、最大接触压力以及最大等效应力的变化问题。

The contact pressure and temperature distribute only at the asperities in real contact. The equivalent stresses have been interpreted in light of VonMises and Tresca principle.

粗糙实体上的接触压力和温度场分布均表现出明显的不均匀性，只分布在少数实际接触的微凸体上。

Real contact between two surfaces occurs only at the asperities, which resulted in the fact that the asperities in real contact carry high load and are prone to elasto-plastic deformation.

摩擦副接触表面的接触只发生在极少数微凸体上，导致这些微凸体承受了较大的载荷，极易产生弹塑性变形。

Under the basis of fracture topography analysis, the micro-contact model of asperity and the contact process between two fracture surfaces have been studied.

在裂缝拓扑特性参数分析的基础上，对裂缝接触的微观弹性模型和自然裂缝的实际接触过程进行了深入地分析。

Furthermore, According to the computing characteristics of explicit type of finite element method and contact-impact problems, a contact balance bisection algorithm for domain decomposition is designed and implemented.

根据显式有限元和冲击－接触问题的计算特点，设计并实现了接触均衡的分区算法。

The contact toxicity of two kinds of bitter almond on Musca domestica vicina, Mythirmna separata and Sitophilus zeamais was studied. The result showed that the contact toxicity of bitter almond oil is stronger with the increase of concentration.

含有和去除HCN的苦杏仁精油对家蝇、粘虫以及玉米象的触杀活性结果表明随着浓度的增大，精油对三种试虫的触杀活性增强。

To ensure safety in blasting operation, the project department purchased interphone and blast shelter; concerning such actual situations as bad signal of mobile phone and unwarrantable contact, wireless telephones were installed as a supplementary means of contact respectively in periods of mining preparation and cracking; posters of safety warning were added, so as to ensure safety through improving hardware facilities.

项目部购置了对讲机、避炮棚，保证爆破作业安全，针对手机信号不好联系不能保证的实际情况在采准、破碎分别安装了无线电话做为补充联系手段，增加了安全警示标语，通过完善硬件设施保证安全。

Results also reveal that the contact angle declines continuously with the increase of addition of carbides,and simultaneously the contact angle declines continuously with the increase of the bond energy of ceramic phases.

研究还发现，碳化物的添加使体系接触角持续下降，同时接触角随键能的增加持续下降。

The theory of complex variable function for anisotropy plate combined with boundary collocation method is applied to calculation pin-loads and contact region as well as the contact stress on the hole boundary.

采用各向异性板的复变函数理论和边界配置方法，对连接件进行分区，加以限制条件，对多钉连接的复合材料层合板的钉载和板与螺栓间的接触应力和接触区域进行了计算。

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。