附录A 外文文献
A shaft assembly, profile
The shaft axis in two different, even in its working process and relative position between the two shafts changing. According to the important components - shaft, can have the different universal classification. If the direction in reverse universal elastic, whether can be divided into the rigid universal shaft transmission and flexible joints. The former is the hinged on parts of the power transmission link, the latter by elastic parts, and has passed dynamic buffer reduced. Rigid gimbal and can be divided into different speed universal shaft type (such as cross gimbal) and patterned (such as double type gimbal, three pin shaft type gimbal) and patterned (such as ball cage gimbal, fork type gimbal). Patterned constant, and refers to the driven shaft rotation in driving shaft with the rotation Angle, whether of equal velocity, of course, driving shaft and driven shafts is equal to the speed of the average.
Lord, the driven shaft axis in two angular change when the Angle between the universal and equal still called patterned or DengJiao velocity universal. They mainly used to drive axles, breaking the wheel transmission device etc, and is mainly used in the power of the car. When the car for a rear wheel drive, often using the universal shaft, on the part of high-grade car, have adopted the isokinetic ball head, When the car for front wheel drive, often USES patterned constant - universal shaft, but also a kind of different appellation.
In front of a rear wheel drive motor (or all round the bus driver), due to the automobile suspension in athletic process, main reducer drive shaft transmission (or input shaft and FenDongXiang) output shaft is relative motion between often, in addition to avoid certain institutions or device (not) line, there must be a device to realize the dynamic transfer, then the normal appeared gimbal transmission. Universal must have the following characteristics: the transmission and ensure that the relative position of the two shafts in expected range changes, can reliably transfer power, B, ensure that connects the two shafts could even operation. Due to the universal and additional load Angle, the vibration and noise should be allowed in, C, high transmission efficiency, long service life, simple structure, easy fabrication, easy maintenance. For automobile, due to a cross gimbal output shaft relative to the input shaft (have) is not constant rotation Angle, therefore, must adopt double gimbal (or more), and the universal shaft driving connected with the two cardan arrangement in the same plane and make two equal to the Angle. It is very important. In the design to minimize the Angle.
Shaft assembly imbalance is the transmission of the bending vibration. The cause of the vibration noise is obvious. In addition, the universal joint cardan shaft kiln, axial clearance, the sliding spline shaft assembly precision, peeling ends when high-speed rotary shaft transmission and the elastic deformation of a hot spot balance affecting factors can change the imbalance of shaft assembly. Reducing the imbalance, shaft for cars, especially the high-speed car like (car) is extremely important, otherwise it will cause a lot of relevant fault or damage.
The universal shaft rigidity of vehicle drivetrain is in the most widely used, and the long
history. Usually say the shaft is generally refers to the universal shaft rigidity type. The axial rigidity of universal is mainly used in the transmission Angle of CAM flange, generally, the shaft needle bearing assembly, cardan joint or sliding fork, fork or spline fork, needle bearing axial fixation. Ashdod, with the gearbox commonly margin fork shaft drive or other such links. Tu margin with a fork is the flange, generally USES the fork form part of the carbon steel or medium-carbon steel forging, also have adopted the ductile iron castings and sand carbon steel or medium-carbon steel high precision castings. Tu margin with a flat binary general, also have brought a flanged end flange of trapezoid tooth. The shaft needle bearing assembly includes four needle bearing, a cross axis, a grease. Roller bearings are generally consists of several needle roller bearings, a bowl, a blade rubber seal (more than with partial skeleton). In some needle bearing, and a belt round bearings, nylon, gasket also adopts copper or other materials, mainly for the decrease of universal shaft axial clearance, improve the quality of dynamic balance. A binary form cardan parts, generally USES medium-carbon steel or carbon steel forging parts, also have adopted the precision casting medium-carbon steel. Needle bearing axial fixation thing is generally holes (or axis) with elastic ring (internal and external), or bearing the cassette, bolt locking plate, etc.Another shaft is an important part of the spline is sliding, internal and external spline (rectangular), and the involute used to convey length change.The universal shaft and sliding swinging Angle of slip is biggest spline is decorated, according to the vehicle shaft and beat the check.Transmission of low carbon steel tube generally made of steel wire coiling of big norms, the tube, also have adopted the cold drawn seamless tube. The tube diameter and wall thickness (or diameter) is based on the maximum transmission torque, highest speed conditions of work. Hollow shaft tube has smaller quality and can deliver large torque, and the same diameter than the solid shaft possesses higher critical speed characteristics.
Normally, two gimbal centre distance is not more than 1.5 m. When the distance is close, generally by two universal and a sliding spline shaft, no vice. When the distance and make more than 1.5 m shaft length, often divided into two or three roots, using three or four joints, and finally a belt, the rest of the spline vice sliding bearing structure among belt.Typical middle by a supporting general cylindrical ball bearing, a housing, two seal, a rubber pad, a grease mouth. By supporting bracket among middle shaft connecting to the frame beams, transmission line and the middle axis required support among perpendicular to the plane. General layout in supporting shaft transmission system among the first-order critical speed nodes.In use process, generally need timely maintenance. In the joints, sliding bearing etc, among the spline is fat mouth place, want to periodically according to related regulations prescribed grease filling. Also have adopted in maintenance free universal shaft bearings and support in the reserve, need not regular grease filling grease.
Second, the universal description
Universal joint is a key component of the car transmission. In front of the rear wheel drive motor vehicle, universal shaft installed in transmission and the output shaft drive between input shaft gear reducer, And lead the front wheel drive motor vehicle omitted, universal shaft driving is responsible for installation in the front axle and be responsible for steering wheels and half shaft.
Automobile is a movement of objects. The bus driver, engine, clutch and transmission as a whole, and installed in the frame by elastic suspension frame and drive connections between
a distance, the need for connection. The car runs in rough pavement produces change, load or two assembly location, will make the output shaft transmission with the reducer drive shaft Angle between input and the distance change, therefore, to use a "in changing" devices to solve this question, it is the universal.
In between, off-road vehicle transmission and the front drive thansfer can turn with half shaft drive between the universal, need to do ". The structure and function of a bit like human limbs, it is allowed to connect the Angle between the parts. But it and body joints and different forms of activities, it only allows the Angle of the change in a certain range.Universal shaft type is the universal, rigid patterned (double axle and three pin shaft type), patterned (ball fork and ball cage), cross gimbal sex. After the car at the most widely used a cross gimbal.Single gimbal cannot make the output shaft and the instantaneous velocity of axle shaft vibration, easy to cause the equal parts, aggravate the damage, produce a lot of noise. Therefore, after the car driver using universal form of transmission shaft double gimbal, is a universal at each end, its function is equal to the transmission Angle, both the output shaft and the instantaneous velocity of axle shaft always equal.
In order to satisfy the power transmission, steering and auto operation generated by beating down before the Angle, drive the car drive shaft and the wheel, and also used between universal connected. Due to the limit, the axial dimensions of landform and bigger, request to do, so common universal widely adopted various patterned. In general, the former drive car every half shaft with two patterned, near the speed of universal joint is a half drive axle shaft inside, near the universal shaft lateral velocity is half. In various patterned, common ball cage is universal, it with six steel ball force, driving shaft and driven shafts intersect in any of the circumstances, the ball is located on the intersection of two in two axis, namely the equally intersect, thus ensure the driven shaft, equal angles speed transmission.
附录B 外文文献翻译
传动轴简介
传动轴，在不同轴心的两轴间甚至在工作过程中相对位置不断变化的两轴间传递动力。传动轴按其重要部件——万向节的不同，可有不同的分类。如果按万向节在扭转的方向是否有明显的弹性可分为刚性万向节传动轴和挠性万向节传动轴。前者是靠零件的铰链式联接传递动力的，后者则靠弹性零件传递动力，并具有缓冲减振作用。刚性万向节又可分为不等速万向节（如十字轴式万向节）、准等速万向节（如双联式万向节、三销轴式万向节）和等速万向节（如球笼式万向节、球叉式万向节）。等速与不等速，是指从动轴在随着主动轴转动时，两者的转动角速率是否相等而言的，当然，主动轴和从动轴的平均转速是相等的。
主、从动轴的角速度在两轴之间的夹角变动时仍然相等的万向节，称为等速万向节或等角速万向节。它们主要用于转向驱动桥、断开式驱动桥等的车轮传动装置中，主要用于轿车中的动力传递。当轿车为后轮驱动时，常采用十字轴式万向节传动轴，对部分高档轿车，也有采用等速球头的；当轿车为前轮驱动时，则常采用等速万向节——等速万向节也是一种传动轴，只是称谓不同而已。
在发动机前置后轮驱动（或全轮驱动）的汽车上，由于汽车在运动过程中悬架变形，驱动轴主减速器输入轴与变速器（或分动箱）输出轴间经常有相对运动，此外，为有效避开某些机构或装置（无法实现直线传递），必须有一种装置来实现动力的正常传递，于是就出现了万向节传动。万向节传动必须具备以下特点：a 、保证所连接两轴的相对位置在预计范围内变动时，能可靠地传递动力；b 、保证所连接两轴能均匀运转。由于万向节夹角而产生的附加载荷、振动和噪声应在允许范围内；c 、传动效率要高，使用寿命长，结构简单，制造方便，维修容易。对汽车而言，由于一个十字轴万向节的输出轴相对于输入轴（有一定的夹角）是不等速旋转的，为此必须采用双万向节（或多万向节）传动，并把同传动轴相连的两个万向节叉布置在同一平面，且使两万向节的夹角相等。这一点是十分重要的。在设计时应尽量减小万向节的夹角。
传动轴总成不平衡是传动系弯曲振动的主要原因。其引起的振动噪声是明显的。此外，万向节十字轴的轴向窜动、传动轴滑动花键中的间隙、传动轴总成两端连接处的定心精度、高速回转时传动轴的弹性变形及传动轴上点焊平衡片时的热影响因素等都能改变传动轴总成的不平衡度。降低传动轴的不平衡度，对于汽车，尤其是高速汽车如（轿车）是极其重要的，否则会引起很多相关故障或异常损坏。
十字轴式刚性万向节传动轴在汽车传动系中用得最广泛，历史也最悠久。平时所
说的传动轴一般指的就是十字轴式刚性万向节传动轴。十字轴式刚性万向节主要用于传递角度的变化，一般由突缘叉、十字轴带滚针轴承总成、万向节叉或滑动叉、中间连接叉或花键轴叉、滚针轴承的轴向固定件等组成。突缘叉一般与变速箱、驱动桥或别的传动轴等连接。突缘叉是一个带法兰的叉形零件，一般采用中碳钢或中碳合金钢的锻造件，也有采用球墨铸铁的砂型铸造件和中碳钢或中碳优质合金钢的精密铸造件。突缘叉一般带一个平法兰，也有带一个端面梯形齿法兰的。十字轴带滚针轴承总成一般包括四个滚针轴承、一个十字轴、一个滑脂嘴。滚针轴承一般由若干个滚针、一个轴承碗、一个多刃口橡胶油封（部分带骨架）组成。在某些滚针轴承中，还有一个带油槽的圆形垫片，有尼龙的，也有采用铜片或其他材料的，主要用于减小万向节轴向间隙，提高传动轴动平衡品质。万向节叉是一个叉形零件，一般采用中碳钢或中碳合金钢的锻造件，也有采用中碳钢的精密铸造件。滚针轴承的轴向固定件一般是孔（或轴）用弹性挡圈（内外卡式），或轴承压板、锁片、螺栓等。
传动轴的另外一个重要的组成部分是滑动花键副，由内、外花键（矩形、渐开线）组成，用于传递长度的变化。传动轴的万向节摆角和滑动花键副的最大伸缩量，是根据整车布置时进行的传动轴跳动校核而确定的。传动轴管一般由低碳钢板卷制的电焊钢管制成，对大规格的轴管，也有采用冷拔无缝管的。轴管的外径和壁厚（或内径）是根据传动轴所传递的最大工作扭矩、最高工作转速等条件确定的。空心的轴管具有较小的质量并能传递较大的扭矩，并且比相同外径的实心轴具有更高的临界转速的特点。
一般情况下，两万向节中心距不大于1.5m。当距离较近时，一般由两个万向节和一个滑动花键副组成，中间无轴管。当距离较远而使传动轴的长度超过1.5m时，常常分成两根或三根，采用三个或四个万向节，且最后一根带滑动花键副，其余的带中间支承的结构型式。
典型的中间支承一般由一个圆柱球轴承、一个轴承座、两个油封、一个橡胶垫、一个滑脂嘴组成。中间传动轴由中间支承支架连接到车架横梁上，要求中间传动轴轴心线与中间支承平面垂直。一般要求传动轴中间支承布置在传动轴系统的一阶临界转速节点上。在使用过程中，一般需要按时保养。在万向节、滑动花键副、中间支承等有滑脂嘴的地方，要按有关规定进行定期加注规定的润滑脂。也有采用免维护的传动轴，在万向节和中间支承的轴承内有预留的润滑脂，不需要定期加注润滑脂。
万向节是汽车传动轴上的关键部件。在前置发动机后轮驱动的车辆上，万向节传动轴安装在变速器输出轴与驱动桥主减速器输入轴之间；而前置发动机前轮驱动的车辆省略了传动轴，万向节安装在既负责驱动又负责转向的前桥半轴与车轮之间。
汽车是一个运动的物体。在后驱动汽车上，发动机、离合器与变速器作为一个整
毕业设计（论文）外文参考文献及译文 英文题目Component-based Safety Computer of Railway Signal Interlocking System 中文题目模块化安全铁路信号计算机联锁系统 学院自动化与电气工程学院 专业自动控制 姓名葛彦宁 学号 200808746 指导教师贺清 2012年5月30日
Component-based Safety Computer of Railway Signal Interlocking System 1 Introduction Signal Interlocking System is the critical equipment which can guarantee traffic safety and enhance operational efficiency in railway transportation. For a long time, the core control computer adopts in interlocking system is the special customized high-grade safety computer, for example, the SIMIS of Siemens, the EI32 of Nippon Signal, and so on. Along with the rapid development of electronic technology, the customized safety computer is facing severe challenges, for instance, the high development costs, poor usability, weak expansibility and slow technology update. To overcome the flaws of the high-grade special customized computer, the U.S. Department of Defense has put forward the concept：we should adopt commercial standards to replace military norms and standards for meeting consumers’demand [1]. In the meantime, there are several explorations and practices about adopting open system architecture in avionics. The United Stated and Europe have do much research about utilizing cost-effective fault-tolerant computer to replace the dedicated computer in aerospace and other safety-critical fields. In recent years, it is gradually becoming a new trend that the utilization of standardized components in aerospace, industry, transportation and other safety-critical fields. 2 Railways signal interlocking system 2.1 Functions of signal interlocking system The basic function of signal interlocking system is to protect train safety by controlling signal equipments, such as switch points, signals and track units in a station, and it handles routes via a certain interlocking regulation. Since the birth of the railway transportation, signal interlocking system has gone through manual signal, mechanical signal, relay-based interlocking, and the modern computer-based Interlocking System. 2.2 Architecture of signal interlocking system Generally, the Interlocking System has a hierarchical structure. According to the function of equipments, the system can be divided to the function of equipments; the system
中等分辨率制备分离的 快速色谱技术 W. Clark Still,* Michael K a h n , and Abhijit Mitra Departm(7nt o/ Chemistry, Columbia Uniuersity,1Veu York, Neu; York 10027 ReceiLied January 26, 1978 我们希望找到一种简单的吸附色谱技术用于有机化合物的常规净化。这种技术是适于传统的有机物大规模制备分离，该技术需使用长柱色谱法。尽管这种技术得到的效果非常好，但是其需要消耗大量的时间，并且由于频带拖尾经常出现低复原率。当分离的样本剂量大于1或者2g时，这些问题显得更加突出。近年来，几种制备系统已经进行了改进，能将分离时间减少到1-3h，并允许各成分的分辨率ΔR f≥（使用薄层色谱分析进行分析）。在这些方法中，在我们的实验室中，媒介压力色谱法1和短柱色谱法2是最成功的。最近，我们发现一种可以将分离速度大幅度提升的技术，可用于反应产物的常规提纯，我们将这种技术称为急骤色谱法。虽然这种技术的分辨率只是中等（ΔR f≥），而且构建这个系统花费非常低，并且能在10-15min内分离重量在的样本。4 急骤色谱法是以空气压力驱动的混合介质压力以及短柱色谱法为基础，专门针对快速分离，介质压力以及短柱色谱已经进行了优化。优化实验是在一组标准条件5下进行的，优化实验使用苯甲醇作为样本，放在一个20mm*5in.的硅胶柱60内，使用Tracor 970紫外检测器监测圆柱的输出。分辨率通过持续时间（r）和峰宽（w,w/2）的比率进行测定的（Figure 1），结果如图2-4所示，图2-4分别放映分辨率随着硅胶颗粒大小、洗脱液流速和样本大小的变化。
https://www.doczj.com/doc/f414707656.html,/finance/company/consumer.html Consumer finance company The consumer finance division of the SG group of France has become highly active within India. They plan to offer finance for vehicles and two-wheelers to consumers, aiming to provide close to Rs. 400 billion in India in the next few years of its operations. The SG group is also dealing in stock broking, asset management, investment banking, private banking, information technology and business processing. SG group has ventured into the rapidly growing consumer credit market in India, and have plans to construct a headquarters at Kolkata. The AIG Group has been approved by the RBI to set up a non-banking finance company (NBFC). AIG seeks to introduce its consumer finance and asset management businesses in India. AIG Capital India plans to emphasize credit cards, mortgage financing, consumer durable financing and personal loans. Leading Indian and international concerns like the HSBC, Deutsche Bank, Goldman Sachs, Barclays and HDFC Bank are also waiting to be approved by the Reserve Bank of India to initiate similar operations. AIG is presently involved in insurance and financial services in more than one hundred countries. The affiliates of the AIG Group also provide retirement and asset management services all over the world. Many international companies have been looking at NBFC business because of the growing consumer finance market. Unlike foreign banks, there are no strictures on branch openings for the NBFCs. GE Consumer Finance is a section of General Electric. It is responsible for looking after the retail finance operations. GE Consumer Finance also governs the GE Capital Asia. Outside the United States, GE Consumer Finance performs its operations under the GE Money brand. GE Consumer Finance currently offers financial services in more than fifty countries. The company deals in credit cards, personal finance, mortgages and automobile solutions. It has a client base of more than 118 million customers throughout the world
文献信息： 文献标题：Challenges and opportunities affecting the future of human resource management（影响人力资源管理未来的挑战和机遇） 国外作者：Dianna L. Stone，Diana L. Deadrick 文献出处：《Human Resource Management Review》, 2015, 25(2):139-145 字数统计：英文3725单词，21193字符；中文6933汉字 外文文献： Challenges and opportunities affecting the future of human resource management Abstract Today, the field of Human Resource Management (HR) is experiencing numerous pressures for change. Shifts in the economy, globalization, domestic diversity, and technology have created new demands for organizations, and propelled the field in some completely new directions. However, we believe that these challenges also create numerous opportunities for HR and organizations as a whole. Thus, the primary purposes of this article are to examine some of the challenges and opportunities that should influence the future of HR. We also consider implications for future research and practice in the field. Keywords: Future of human resource management, Globalization, Knowledge economy Diversity, Technology 1.Change from a manufacturing to a service or knowledge economy One of the major challenges influencing the future of HR processes is the change from a manufacturing to a service or knowledgebased economy. This new economy is characterized by a decline in manufacturing and a growth in service or knowledge as the core of the economic base. A service economy can be defined as a system based on buying and selling of services or providing something for others (Oxford
中英文对照翻译 (文档含英文原文和中文翻译) Policies for Development of Iron and Steel Industry The iron and steel industry is an important basic industry of the national economy, a supporting industry for realizing the industrialization and an intensive industry in technologies, capital, resources and energy, and its development requires a comprehensive balancing of all kinds of external conditions. China is a big developing country with a comparatively big demand of iron and steel in the economic development for a long time to go. China's production capacity of iron and steel has ranked the first place in the world for many years. However, there is a large gap in terms of the technological level and material consumption of the iron and steel industry compared with the international advanced level, so the focus of development for the future shall be put on technical upgrading and structural adjustment. In order to enhance the whole technical level of the iron and steel industry, promote the structural adjustment, improve the industrial layout, develop a recycling economy, lower the consumption of materials and energy, pay attention to the environmental protection, raise the comprehensive competitive capacity of enterprises, realize the industrial upgrading, and develop the iron and steel industry into an industry with
New technique of the computer network Abstract The 21 century is an ages of the information economy, being the computer network technique of representative techniques this ages, will be at very fast speed develop soon in continuously creatively, and will go deep into the people's work, life and study. Therefore, control this technique and then seem to be more to deliver the importance. Now I mainly introduce the new technique of a few networks in actuality live of application. keywords Internet Network System Digital Certificates Grid Storage 1. Foreword Internet turns 36, still a work in progress Thirty-six years after computer scientists at UCLA linked two bulky computers using a 15-foot gray cable, testing a new way for exchanging data over networks, what would ultimately become the Internet remains a work in progress. University researchers are experimenting with ways to increase its capacity and speed. Programmers are trying to imbue Web pages with intelligence. And work is underway to re-engineer the network to reduce Spam (junk mail) and security troubles. All the while threats loom: Critics warn that commercial, legal and political pressures could hinder the types of innovations that made the Internet what it is today. Stephen Crocker and Vinton Cerf were among the graduate students who joined UCLA professor Len Klein rock in an engineering lab on Sept. 2, 1969, as bits of meaningless test data flowed silently between the two computers. By January, three other "nodes" joined the fledgling network.
XXX学院 毕业设计(论文)外文资料翻译 学院：计算机与软件工程学院 专业：计算机科学技术(软件工程方向) 姓名： 学号： 外文出处：GoyKakus.THE RESEARCH OFCUSTOMER RELATIONSHIP MANAGEMENT STRATEGY [J]. International Journal of Management Research & Review, 2017, 1(9): 624-635. 附件： 1.外文资料翻译译文；2.外文原文。 注：请将该封面与附件装订成册。
附件1：外文资料翻译译文 客户关系管理战略研究 Goy Kakus 摘要 客户关系管理解决方案，通过为你提供客户业务数据来帮助你提供客户想要的服务或产品,提供更好的客户服务、交叉销售和更有效的销售,达成交易,保留现有客户并更好地理解你的客户是谁。本文探讨了客户关系管理模型在获得、保持与发展策略方面的优势。然而,我们对其定义和意义还存在一些困惑。本文通过考察关系营销和其他学科方面的相关文献，解释了客户关系管理的概念基础,从而对客户关系管理的知识作出了贡献。 关键词:客户关系管理模型, 客户关系管理的博弈改变者与关键策略 引言 CRM 是客户关系管理的简称。它的特征在于公司与客户的沟通,无论是销售还是服务相关的。客户关系管理这一术语经常用来解释企业客户关系,客户关系管理系统也以同样的方式被用来处理商业联系, 赢得客户,达成合同和赢得销售。 客户关系管理通常被考虑作为一个业务策略，从而使企业能够: *了解客户 *通过更好的客户体验留住客户 *吸引新客户 *赢得新客户和达成合同 *提高盈利 *减少客户管理成本 *通过服务台等工具软件,电子邮件组织者和不同类型的企业应用程序，企业业务经常寻求个性化的在线体验。 设计精良的客户关系管理包括以下特征: 1．客户关系管理是一种以顾客为中心并以客户投入为基础的服务响应，一对一的解决客户的必需品, 买家和卖家服务中心直接在线互动,帮助客户解决他
毕业设计说明书 英文文献及中文翻译 学院：专 2011年6月 电子与计算机科学技术软件工程
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VOLUME 30 ISSUE 2 October 2008 Journal of Achievements in Materials and Manufacturing Engineering Copyright by International OCSCO World Press. All rights reserved.2008 151 Research paper 2008年十月期2卷30 材料与制造工程成果期刊 版权所有：国际OCSCO 世界出版社。一切权利保有。2008 ？？151研究论文 1. Introduction Friction stir welding (FSW) is a new solid-state welding method developed by The Welding Institute (TWI) in 1991 [1]. The weld is formed by the excessive deformation of the material at temperatures below its melting point, thus the method is a solid state joining technique. There is no melting of the material, so FSW has several advantages over the commonly used fusion welding techniques [2-10]. 1.导言摩擦搅拌焊接（FSW）是焊接学？会于1991年研发的一种新型固态焊接方法。这种焊接？是由材料在低于其熔点的温度上过量变形形成，因此此技术是一种固态连接技术。材料不熔化，所以FSW 相比常用的熔化焊接技术有若干优势。例如，在焊接区无多孔性或破裂，工件（尤其薄板上）没有严重扭曲，并且在连接过程中不需要填料、保护气及昂贵的焊接准备there is no significant distortion of the workpieces (particularly in thin plates), and there is no need for filler materials, shielding gases and costly weld preparation during this joining process. FSW被认为是对若干材料例如铝合金、镁合金、黄铜、钛合金及钢最显著且最有潜在用途的焊接技术FSW is considered to be the most remarkable and potentially useful welding technique for several materials, such as Al-alloys, Mg-alloys, brasses, Ti-alloys, and steels [1-16]. 然而，在FSW过程中，用不合适的焊接参数能引起连接处失效，并且使FSW连接处的力学性能恶化。However, during FSW process using inappropriate welding parameters can cause defects in the joint and deteriorate the mechanical properties of the FSW joints [2, 3]. 此技术起初就主要是为低熔点材料如铝合金、镁合金及铜合金而广泛研究的。The technique has initially been widely investigated for mostly low melting materials, such as Al, Mg and Cu alloys. 此技术已被证明是很有用的，尤其在连接用于航空航天用途的如高合金2XXX及7XXX系列铝合金等难熔高强度的铝合金。It has proven to be very useful, particularly in the joining of the difficult-to-fusion join high strength Al-alloys used in aerospace applications, such as highly alloyed 2XXX and 7XXX series aluminium alloys. 做出Al-5086 H32型板摩擦搅拌对焊的高强度、抗疲劳及断裂的力学性能？。The difficulty of making high-strength, fatigue and fracture resistant Mechanical properties of friction stir butt-welded Al-5086 H32 plate G. .am a,*, S. Gü.lüer b, A. .akan c, H.T. Serinda. a a Mustafa Kemal University, Faculty of Engineering and Architecture, 31040 Antakya, Turkey a 土耳其安塔卡亚31040，Mustafa Kemal大学建筑工程系 b General Directorate of Highways of Turkey, Ankara, Turkey b 土耳其安卡拉土耳其高速公路总理事会？ c Abant Izzet Baysal University, Faculty of Engineering an d Architecture, 14280 Bolu, Turkey c 土耳其Bolu 14280 Abant Izzet Baysal 大学建筑工程系 * Corresponding author: E-mail address: gurelcam@https://www.doczj.com/doc/f414707656.html, *相关作者电子邮箱地址：gurelcam@https://www.doczj.com/doc/f414707656.html, Received 30.06.2008; published in revised form 01.10.2008
英文翻译 A comprehensive overview of substations Along with the economic development and the modern industry developments of quick rising, the design of the power supply system become more and more completely and system. Because the quickly increase electricity of factories, it also increases seriously to the dependable index of the economic condition, power supply in quantity. Therefore they need the higher and more perfect request to the power supply. Whether Design reasonable, not only affect directly the base investment and circulate the expenses with have the metal depletion in colour metal, but also will reflect the dependable in power supply and the safe in many facts. In a word, it is close with the economic performance and the safety of the people. The substation is an importance part of the electric power system, it is consisted of the electric appliances equipments and the Transmission and the Distribution. It obtains the electric power from the electric power system, through its function of transformation and assign, transport and safety. Then transport the power to every place with safe, dependable, and economical. As an important part of power’s transport and control, the transformer substation must change the mode of the traditional design and control, then can adapt to the modern electric power system, the development of modern industry and the of trend of the society life. Electric power industry is one of the foundations of national industry and national economic development to industry, it is a coal, oil, natural gas, hydropower, nuclear power, wind power and other energy conversion into electrical energy of the secondary energy industry, it for the other departments of the national economy fast and stable development of the provision of adequate power, and its level of development is a reflection of the country's economic development an important indicator of the level. As the power in the industry and the importance of the national economy, electricity transmission and distribution of electric energy used in these areas is an indispensable component.。Therefore, power transmission and distribution is critical. Substation is to enable superior power plant power plants or power after adjustments to the lower load of books is an important part of power transmission. Operation of its functions, the capacity of a direct impact on the size of the lower load power, thereby affecting the industrial production and power consumption.Substation system if a link failure, the system will protect the part of action. May result in power outages and so on, to the production and living a great disadvantage. Therefore, the substation in the electric power system for the protection of electricity reliability,
Dashboard From Wikipedia, the free encyclopedia This article is about a control panel placed in the front of the car. For other uses, see Dashboard (disambiguation). The dashboard of a Bentley Continental GTC car A dashboard (also called dash, instrument panel (IP), or fascia) is a control panel located directly ahead of a vehicle's driver, displaying instrumentation and controls for the vehicle's operation. Contents 1.Etymology 2.Dashboard features 3.Padding and safety 4.Fashion in instrumentation 5.See also 6.References Etymology Horse-drawn carriage dashboard Originally, the word dashboard applied to a barrier of wood or leather fixed at the front of a horse-drawn carriage or sleigh to protect the driver from mud or other debris "dashed up" (thrown up) by the horses' hooves.[1] Commonly these boards did not perform any additional function other than providing a convenient handhold for ascending into the driver's seat, or a small clip with which to secure the reins when not in use. When the first "horseless carriages" were constructed in the late 19th century, with engines mounted beneath the driver such as the Daimler Stahlradwagen, the simple dashboard was retained to protect occupants from debris thrown up by the cars' front wheels. However, as car design evolved to position the motor in front of the driver, the dashboard became a panel that protected vehicle occupants from the heat and oil of the engine. With gradually increasing mechanical complexity, this panel formed a convenient location for the placement of gauges and minor controls, and from this evolved the modern instrument panel,