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On the basis of nonlinear FEA code ANSYS/LS-DYNA, rail rolling process of universal rolling unit were simulated by 3D large deformation thermal-mechanical coupled elastic-plastic FEM. And the deformation shape of the work piece, deformation parameters and cross dimensions for each pass were obtained and stress,stain distribution and metal flow in rolling process of typical passes were analyzed in detail. Analyzed typical pass stress and strain distribute, rolling stress and deforming in universal pass last groove in detail,discussed the effect regularity of residual stress distribution and size to safely using rail, detailed to expound universal pass to railhead tread circular arc process.

本文基于ANSYS/LS-DYNA非线性显式有限元软件，以60kg/m的重轨为研究对象，采用全三维弹塑性热力耦合的有限元方法研究了重轨在万能轧机组中的变形过程，得到了轧件在孔型中的延伸情况、各道次轧件的变形参数，分析了典型道次的应力、应变分布，并详细分析了全万能成品孔型中轧件受力和变形情况，讨论了残余应力的分布及大小对钢轨安全使用的影响规律，详细地阐述了全万能成品孔型对轨头踏面圆弧的加工过程。

Inculcated with the principals of ironic-metaphoric language Alexandros Vasmoulakis in his present work uses oppositions to elucidate, ambiguities to emphasize, crystal clear signs to puzzle; like an artistic roamer he defies the borderlines between painting and drawing, street art and installation, unfolding bravely the first steps of each piece in its final form, prompted by an instinctive disgust of secretiveness and using the blank space as a way to open up the painting.

在他现在的工作中具有讽刺意味的，隐喻的语言亚历山德罗Vasmoulakis校长灌输反对使用澄清，强调含糊，清晰的标志难题；像他无视艺术漫游用户之间的绘画和绘图，街头艺术和安装的界线，勇敢地展开每一个在其最后的形式由一个秘密的本能厌恶提示，一块的第一步，以此作为一种开放的绘画的空白。

To strengthen the relationship with my friends, I always wonder, how can it really work without our mu－tual understanding and support by communication. To show my sincere appreciation for my teachers'persis－tence in giving the lectures when they are ill, what can be better than extending a cup of tea to them during the break or a piece of greeting words. To fulfill my obligation to society, I'd like to begin from giving my hands and showing my love to those in need.

我时常想，如果没有最为简单的交流沟通和最起码的理解与支持，我们就无法增进朋友之间的情谊；而对于那些有病在身但仍在坚持给学生上课的老师，课间如能为他们端上一杯清茶或递上一张问候的纸条，也能很好地表达出我们对老师的真诚和感激之情；要履行自己对社会的责任和义务，我们不妨从小事做起，从给那些需要帮助的人以援助之手和真爱之心开始。

To strengthen the relationship with my friends, I always wonder, how can it really work without our mu－tual understanding and support by communication. To show my sincere appreciation for my teachers'persis－tence in giving the lectures when they are ill, what can be better than extending a cup of tea to them during the break or a piece of greeting words.

我时常想，如果没有最为简单的交流沟通和最起码的理解与支持，我们就无法增进朋友之间的情谊；而对于那些有病在身但仍在坚持给学生上课的老师，课间如能为他们端上一杯清茶或递上一张问候的纸条，也能很好地表达出我们对老师的真诚和感激之情；要履行自己对社会的责任和义务，我们不妨从小事做起，从给那些需要帮助的人以援助之手和真爱之心开始。

A bstract: this system main contents is launching under the discussion of book sale management system, which main aim at a book batch to sell and retail sales sale is lord but carry on designing , in keeping with book's sell retail of management, specially be applicable to book market and book batch resources that sell company's coordination management.the system source code adopt c# language by writing format and in the vs.net 2005 integration environment bottom adjust to try to carry on, the sql server of the database adopt be 2000 backstages.it's system's turn to is a great deal of adoption abundant database technique, have already aim at a mold piece line of development, among them database operation layer technique a great deal of adoption saving process and trigger a machine of application, database interview layer technique adoption microsoft company of ado.net latest 2.0 development technique, the database mean a layer adoption unify of external appearance mode, make thus the whole system structure clear in meaning, the source code self own very good performance of readability and writability, then better convenience to customer operation and development personnel next move of development work, the type of tree control and user-defined page technique of usage make the whole system person's machine hand over with each other the function be more outstanding.

本系统主要内容是围绕图书销售管理系统而展开讨论的，主要针对图书批销以及门市销售为主而进行设计的，适合图书进销零售的管理，特别适用于书城及图书批销商协调的资源管理。系统源码采用c#语言书写格式，在vs.net 2005集成环境下调试进行，数据库采用sql server 2000后台。该系统大量采用了丰富数据库技术，有针对性模块行的开发，其中数据库操作层技术大量采用存储过程及触发器的应用，数据库访问层技术采用微软公司的ado.net最新2.0开发技术，数据库表示层采用统一的外观模式，从而使得整个系统架构明晰，源码可读可写性好，进而更好的方便了用户的操作及开发人员下一步的开发工作，树型控件和自定义分页技术的使用使得整个系统人机交互性能更为出色。

The measured work piece is circumrotated automatically by control motor, and the value of the surface roughness is detected and processed with computer in real time.

利用控制电机自动旋转被测件，通过计算机实现数据实时采集、处理及结果显示，详细介绍了该方法的检测原理和实施途径。

On the other hand, other fields of art use a more concrete medium, such as canvas used by painters. The artist can express his ideas on color, mood and tone on a piece of canvas, and that work will be there forever.

相较之下，另外一个艺术领域如绘画，它是以画布或者画纸作为艺术表达的媒介，画家可以将他想要的色彩，气氛与情趣，画在画纸或画布上，然后那个作品就永远在那里了。

Drum screen printing machine structural stability, durability, screen overprinter advantagesof use, accurate, fast, easy and convenient to have the work-piece-shift-control system, replacement of downtime is very short, the device can achieve a higher yield, apply to the business card printing and membership card or making larger quantities often heavy copy cards and membership cards produced by the product, is the preferred screen printing machines he packaging business card printing and membership card-making industry is a lasertex.

滚筒网印机布局安定、耐用，丝网可屡屡搁置，套印不确，速率迟，具有简独和便当的板件变换把持编制，调换处事的转工期不入格不幼，摆设可到达较矮的产度，得当于制卡和会员卡制息数度较不小或必然轻复制卡和会员卡制息的产物，是包装网印的首选机型，也是不幼远国边包装制卡和会员卡制息业搁置较不窄的一栽机型。

The roundness tester is a highly precision instrument that is wildly used to measure the rotary work piece in mechanical industry. The aged roundness tester was astricted by the technique condition of that time, so its way of measurement is not at all advanced. Because these roundness testers have been used for a long time, they have a highly failure rate and their accuracy can not be insured.

圆度仪是机械工业中应用最广泛的检测回转体零件圆度误差的高精度仪器，由于老式的圆度仪受当时技术条件的限制，评定方法落后，再加上这些圆度仪的使用时间较长，使用时仪器的故障率一般都较高，测量精度也不能保证。

The design of the chain plate rolling machines by drawing on its revolving roller contacts the role of friction will be rolling the metal body dragged into the roll gap between the roll under pressure, mainly in the work piece thickness.

本次设计的链条板轧制机是借助旋转轧辊与其接触摩擦的作用，将被轧制的金属体拽入轧辊的缝隙间，在轧辊压力作用下，使轧件主要在厚度方向上完成塑性成型。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。