电力系统故障
中英文资料外文翻译文献
Faults on Power Systems
Each year new design of power equipment bring about increased reliability of operation. Nevertheless, equipment failures and interference by outside sources occasionally result in faults on electric power systems. On the occurrence of a fault , current an voltage conditions become abnormal, the delivery of power from the generating station to the loads may be unsatisfactory over a considerable area, and if the faulted equipment is not promptly disconnected from the remainder of the system, damage may result to other pieces of operating equipment.
A faulty is the unintentional or intentional connecting together of two or more conductors which ordinarily operate with a difference of potential between them. The connection between the conductors may be by physical metallic contact or it may be through an arc. At the fault, the voltage between the two parts is reduced to zero in the case of metal-to-metal contacts, or to a very low value in case the connection is through an arc. Currents of abnormally high magnitude flow through the network to the point of fault. These short-circuit currents will usually be much greater than the designed thermal ability of the condition in the lines or machines feeding the fault . The resultant rise in temperature may cause damage by the annealing of conductors and by the charring of insulation. In the period during which the fault is permitted to exist, the voltage on the system in the near vicinity of the fault will be so low that utilization equipment will be inoperative. It is apparent that the late conditions that exist during a fault, and provide equipment properly adjusted to open the switches necessary to disconnect the faulted equipment from the remanding of the system. Ordinarily it is desirable that no other switches on the system are opened, as such behavior would result in unnecessary modification the system circuits.
A distinction must be made between and an overload. An overload implies only that loads greater than the designed values have been imposed on system. Under such a circumstance the voltage at the overload point may be low, but not zero. This undervoltage condition may extend for some distance beyond the overload point into the remainder of the system. The current in the overload equipment are high and may exceed the thermal design limits. Nevertheless, such currents are substantially lower than in the case of a fault. Service frequently may be maintained, but at below-standard voltage.
Overloads are rather common occurrences in homes. For example, a housewife might plug five waffle irons into the kitchen circuit during a neighborhood part. Such an overload, if permitted to continue, would cause heating of the wires from the power center and might eventually start a fire. To prevent such trouble, residential circuits are protected by fuses or circuit breakers which open quickly when currents above specified values persist. Distribution transformers are sometimes overloads as customers install more and more appliances. The continuous monitoring of distribution circuits is necessary to be certain that
transformers sizes are increased as load grows.
Faults of many types and causes may appear on electric power systems. Many of us in our homes have seen frayed lamp cords which permitted the two conductors of the cord to come in contact with each other. When this occurs, there is a resulting flash, and if breaker or fuse equipment functions properly, the circuit is opened.
Overhead lines, for the most part, are constructed of bare conductors. There are sometimes accidentally brought together by action of wind, sleets, trees, cranes, airplanes, or damage to supporting structures. Overvoltages due to lighting or switching nay cause flashover of supporting or from conductor to conductor. Contamination on insulators sometimes results in flashover even during normal voltage conditions.
The conductors of underground cables are separated from each and from ground by solid insulation, which nay be oil-impregnated paper or a plastic such polyethylene. These materials undergo some deterioration with age, particularly if overloads on the cables have resulted in their operation at elevated temperature. Any small void present in the body of the insulating material will results in ionization of the gas contained therein, the products of which react unfavorably with the insulation. Deterioration of the insulation may result in failure of the material to retain its insulating properties, and short circuits will develop between the cable conductors. The possibility of cable failure is increased if lightening or switching produces transient voltage of abnormally high values between the conductors.
Transformer failures may be the result of insulation deterioration combined with overvoltage due to lightning or switching transients. Short circuit due to insulation failure between adjacent turns of the same winding may result from suddenly applied overvoltage. Major insulation may fail, permitting arcs to be established between primary and secondary windings or between winding and grounded metal parts such as the core or tank.
Generators may fail due to breakdown of the insulation between adjacent turns in the same slot, resulting in a short circuit in a single turn of the generator. Insulation breakdown may also occur between one of the winding and the grounded steel structure in which the coils are embedded. Breakdown between different windings lying in the same slot results in short-circuiting extensive section of machine.
Balanced three-phase faults, like balanced three-phase loads, may be handled on a lineto-neutral basis or on an equivalent single-phase basis. Problems may be solved either in terms of volts, amperes, and ohms. The handing of faults on single-phase lines is of course identical to the method of handing three-phase faults on an equivalent single-phase basis.
Faults may be classified as permanent or temporary. Permanent faults are those in which insulation failure or structure failure produces damage that makes operation of the equipment impossible and requires repairs to be made. Temporary faults are those which may be removed by deenergizing the equipment for a short period of time, short circuits on overhead lines frequently are of this nature. High winds may cause two or more conductions to swing together momentarily. During the short period of contact. An arc is formed which may continue as long as line remains energized. However, if automatic equipment can be brought into operation to service as soon as the are is extinguished. Arcs across insulators due to overvoltages from lighting or switching transients usually can be cleared by automatic circuit-breaker operation before significant structure damage occurs.
Because of this characteristic of faults on lines, many companies operate following a procedure known as high-speed reclosing. On the occurrence of a fault, the line is promptly deenergized by opening the circuit breakers at each end of the line. The breakers remain open long enough for the arc to clear, and then reclose automatically. In many instances service is restored in a fraction of a second. Of course, if structure damage has occurred and the fault persists, it is necessary for the breakers to reopen and lock
open.
电力系统故障
每年新设计的电力设备都使系统的可靠性不断提高，然而，设备的使用不当以及一些偶然遇到的外在因素均会导致系统故障的发生。发生故障时，电流、电压变化得不正常，从电厂到用户的送点在相当大得内不令人满意。此时若故障设备不立即从系统中切除的话，则会造成其他运行设备的损坏。
故障是由于有意或无意地使两个或更多的导体接触造成的。导体间本来是有电位存在的，而这种接触可能是金属性接触，也可能是电弧引起的。如果是前者造成的故障，则两部分导体之间电压下降为零；若为后者，则电压变得很低，超常的大电流经过网络流至故障处。此短路电流通常会大大超出导线以及供电发电机的热承受能力，其结果，温度的升高会导致导体烧毁或绝缘焦化。在允许的期限内，最靠近故障处的电压会变得很低，致使用电设备无法正常运行。显然，系统设计者必须事先考虑到故障可能发生在什么地方，能够推测出故障期间的各种情况，提供调节好的设备，以便驱动为将故障设备切除所必须断开的开关能够跳闸。通常希望此时系统无其他开关打开，否则会导致系统线路不必要的修改。
过负荷与故障是两个概念。过负荷仅指施加于系统的负荷超过了设计值。发生这种情况时，过负荷处的电压可能很低，但并不等于零。这种电压不足的情形可能会超过过负荷处蔓延一定距离，进而影响系统其它部分。过负荷设备的电流变大而超过预定的热极限，但是这种情况比发生故障时的电流要小。此时，供电虽然往往能维持，但电压较低。
过负荷的情况在家里发生，例如请街坊邻居聚会时，女主人可能将五个化夫饼干烘烤器的插头同时插入厨房的插座，诸如次类的过负荷倘若不能迅速处理的话，就会造成电力线发热甚至酿成火灾。为了避免这种情况的发生，须采用保险丝或短路器来保护住宅区电路免受损坏。断路器会在电流超出预定值时迅速切断电路。当用户安装的用电器增加时，也会超过变压器负荷能力，因此有必要不时地监视配电线路以确保在负荷增加时变压器的容量也相应增加。
电力系统会发生各种类型，由各种原因引起的故障。我们在家里看到过破损的照明灯电线，使得其两根导线相触，并会发出弧光。如果此时断路器或保险丝能够正常工作，则电路能被自动切断。
大部分架空明线是用裸导体假设的，又是由于风、雨、雷、或大树、起重机，飞机及支撑物的损坏等因素会使导线偶然碰到一起。由雷电或开关瞬变过程中引起的过电压会在支撑物或导体之间产生电弧，即使在电压正常的情况下，绝缘材料的污染也会引起电弧。
通常采用油浸电缆纸或聚乙烯一类固体塑料绝缘材料将埋地电缆中的导线与导线和导线与地隔开。这些绝缘会随着时间的流逝而老化，尤其是在过负荷引起高温下运行时候更是如此。绝缘材料内的空隙会造成气体的电离，其生成物对绝缘不利。绝缘材料老化会引起绝缘性能下降而导致导线短路。电缆故障的可能性会因雷电或开关瞬间引起的导线的电压骤然变高而增加。
变压器故障可能是由绝缘老化、加上雷电、开关瞬变过程导致的过高压造成的。同一绕组相邻
线圈之间由于绝缘问题造成的短路可能是由于突然遇到外加高压电所致。绝缘失败会在一次绕组与二次绕组之间或绕组与接地金属部件如铁芯或变压器外壳之间产生电弧。
发电机故障可能是由于同一槽中相邻线圈之间绝缘被破坏而造成的，其结果会导致发电机匝内短路。绝缘损坏也可能发生在某一绕组与定子铁芯的接地钢架构之间。同一槽内不同绕组之间的绝缘损坏会导致电机大范围短路。
像处理平衡三相负荷一样，处理平衡三相故障也是依照基于由火线到零线的电路或等效单相电路的原则进行。可以通过电压、电流和电阻的规律求解问题。当然，单相线路上故障的处理方法也可以用于在单相等效电路下三相故障的处理中。
故障有永久性故障及暂时性故障之分。永久性故障指绝缘或结构上的损坏，致使设备不能维修则无法运行。暂时性故障指通过给设备临时断电即可排出的故障，架空线路往往就有这个特点。大风可能会使两根导线瞬时间碰在一起，并产生电弧。只要线路通电，此电弧会一直存在。然而如果能借助自动化设备使导线迅速断电的话，就不会造成任何损失了，一旦电弧熄灭，线路即可自行恢复。有雷电及开关切换产生的过电压引起的绝缘材料飞狐则可通过自动化开关设备动作，在严重的结构损坏发生之前便得到排除。
鉴于线路故障的这些特征，许多公司都使用一种叫做高速重合器的装置。故障发生时，线路两端的断路器跳闸，电流即被切断，经过一定的时间间隔，待电弧熄灭后，断路器又自动进行再次合闸，大多数情况下，不到一秒种即可恢复正常供电。当然，如果因结构损坏，故障不能很快排除的话，则断路器必须再次跳闸且保持这种跳闸状态。
附录Ⅰ
设备汇总表
吉林化工学院理学院 毕业论文外文翻译English Title（Times New Roman ，三号） 学生学号：08810219 学生姓名：袁庚文 专业班级：信息与计算科学0802 指导教师：赵瑛 职称副教授 起止日期：2012.2.27～2012.3.14 吉林化工学院 Jilin Institute of Chemical Technology
1 外文翻译的基本内容 应选择与本课题密切相关的外文文献（学术期刊网上的），译成中文，与原文装订在一起并独立成册。在毕业答辩前，同论文一起上交。译文字数不应少于3000个汉字。 2 书写规范 2.1 外文翻译的正文格式 正文版心设置为：上边距：3.5厘米，下边距：2.5厘米，左边距：3.5厘米，右边距：2厘米，页眉：2.5厘米，页脚：2厘米。 中文部分正文选用模板中的样式所定义的“正文”，每段落首行缩进2字；或者手动设置成每段落首行缩进2字，字体：宋体，字号：小四，行距：多倍行距1.3，间距：前段、后段均为0行。 这部分工作模板中已经自动设置为缺省值。 2.2标题格式 特别注意：各级标题的具体形式可参照外文原文确定。 1．第一级标题（如：第1章绪论）选用模板中的样式所定义的“标题1”，居左；或者手动设置成字体：黑体，居左，字号：三号，1.5倍行距，段后11磅，段前为11磅。 2．第二级标题（如：1.2 摘要与关键词）选用模板中的样式所定义的“标题2”，居左；或者手动设置成字体：黑体，居左，字号：四号，1.5倍行距，段后为0，段前0.5行。 3．第三级标题（如：1.2.1 摘要）选用模板中的样式所定义的“标题3”，居左；或者手动设置成字体：黑体，居左，字号：小四，1.5倍行距，段后为0，段前0.5行。 标题和后面文字之间空一格（半角）。 3 图表及公式等的格式说明 图表、公式、参考文献等的格式详见《吉林化工学院本科学生毕业设计说明书（论文）撰写规范及标准模版》中相关的说明。
Inventory management Inventory Control On the so-called "inventory control", many people will interpret it as a "storage management", which is actually a big distortion. The traditional narrow view, mainly for warehouse inventory control of materials for inventory, data processing, storage, distribution, etc., through the implementation of anti-corrosion, temperature and humidity control means, to make the custody of the physical inventory to maintain optimum purposes. This is just a form of inventory control, or can be defined as the physical inventory control. How, then, from a broad perspective to understand inventory control? Inventory control should be related to the company's financial and operational objectives, in particular operating cash flow by optimizing the entire demand and supply chain management processes (DSCM), a reasonable set of ERP control strategy, and supported by appropriate information processing tools, tools to achieved in ensuring the timely delivery of the premise, as far as possible to reduce inventory levels, reducing inventory and obsolescence, the risk of devaluation. In this sense, the physical inventory control to achieve financial goals is just a means to control the entire inventory or just a necessary part; from the perspective of organizational functions, physical inventory control, warehouse management is mainly the responsibility of The broad inventory control is the demand and supply chain management, and the whole company's responsibility. Why until now many people's understanding of inventory control, limited physical inventory control? The following two reasons can not be ignored: First, our enterprises do not attach importance to inventory control. Especially those who benefit relatively good business, as long as there is money on the few people to consider the problem of inventory turnover. Inventory control is simply interpreted as warehouse management, unless the time to spend money, it may have been to see the inventory problem, and see the results are often very simple procurement to buy more, or did not do warehouse departments . Second, ERP misleading. Invoicing software is simple audacity to call it ERP, companies on their so-called ERP can reduce the number of inventory, inventory control, seems to rely on their small software can get. Even as SAP, BAAN ERP world, the field of
Statistical hypothesis testing Adriana Albu，Loredana Ungureanu Politehnica University Timisoara,adrianaa@aut.utt.ro Politehnica University Timisoara,loredanau@aut.utt.ro Abstract In this article,we present a Bayesian statistical hypothesis testing inspection, testing theory and the process Mentioned hypothesis testing in the real world and the importance of, and successful test of the Notes. Key words Bayesian hypothesis testing; Bayesian inference;Test of significance Introduction A statistical hypothesis test is a method of making decisions using data, whether from a controlled experiment or an observational study (not controlled). In statistics, a result is called statistically significant if it is unlikely to have occurred by chance alone, according to a pre-determined threshold probability, the significance level. The phrase "test of significance" was coined by Ronald Fisher: "Critical tests of this kind may be called tests of significance, and when such tests are available we may discover whether a second sample is or is not significantly different from the first."[1] Hypothesis testing is sometimes called confirmatory data analysis, in contrast to exploratory data analysis. In frequency probability,these decisions are almost always made using null-hypothesis tests. These are tests that answer the question Assuming that the null hypothesis is true, what is the probability of observing a value for the test statistic that is at [] least as extreme as the value that was actually observed?) 2 More formally, they represent answers to the question, posed before undertaking an experiment,of what outcomes of the experiment would lead to rejection of the null hypothesis for a pre-specified probability of an incorrect rejection. One use of hypothesis testing is deciding whether experimental results contain enough information to cast doubt on conventional wisdom. Statistical hypothesis testing is a key technique of frequentist statistical inference. The Bayesian approach to hypothesis testing is to base rejection of the hypothesis on the posterior probability.[3][4]Other approaches to reaching a decision based on data are available via decision theory and optimal decisions. The critical region of a hypothesis test is the set of all outcomes which cause the null hypothesis to be rejected in favor of the alternative hypothesis. The critical region is usually denoted by the letter C. One-sample tests are appropriate when a sample is being compared to the population from a hypothesis. The population characteristics are known from theory or are calculated from the population.
1.苹果公司(Apple Inc)不仅在中国有生产线，其产品在中国市场的销量也一片大好。对中 国消费者来说，苹果是最受推崇的品牌之一。2012年调查人员发现，苹果生产的电子产品在北京的一所精英中学的渗透度比在美国城市的一所精英中学还要广。目前，中国有 2.7亿人已经能买得起苹果手机，随着收入的提高，每年还会增加5700万人。简而言之， 苹果的产品目前在中国的销售速度非常快而且甚至可能更快。一些业内专家预测，几年之内中国将超过美国成为苹果最大的市场。（199） Apple Inc. not only has production lines in China, its sales there are also booming. For Chinese consumers, Apple is one of their most admired brands. A survey in 2012 by researchers found that the penetration of electronic products from the company at an elite high school in Beijing was greater than that at one in an American city. At present, 270 million people in China can already afford Apple’s products, and as income increases, each year there will be another 57 million able to. In short, Apple’s products are selling fast and likely to sell even faster in China. Some industry experts predict that China will overtake America to become Apple’s larg est market within a few years. 生产线a production line 最受推崇的品牌the most admired brand 渗透度penetration 电子产品an electronic product 精英中学an elite high school 可能be likely to 预测predict 超过overtake 2.自上世纪70年代末以来，中国许多最优秀人才赴海外留学，但学成归国的只有少数。中 国人才流失(brain drain)现象严重。面对全球化的世界，中国有越来越多的工作需要具备国际教育背景的人才。因此国家开展了一系列的引进海外人才的项目，成功的吸引了越来越多的留学生回国进入国企、教育机构和商业园区工作。如今，每年都有超过15万的海外留学生回国。他们将中国经济与世界相连，从商业、政治以及流行文化上着手，帮助中国走向世界。（191） Many of China's best and brightest talents have left to study abroad since the late 1970s, however, only a minority have returned. The country experienced a serious brain drain. Faced with a globalized world, more and more jobs in China need skilled people with international education background. China, therefore, launches a series of projects aimed at the introduction of overseas talents, which has successfully attracted more and more students abroad back home to work in state companies, educational institutions and business districts. Now, more than 150 thousand overseas students come back every year. They link China’s economy to the world, helping to connect China to commerce, politics and popular culture abroad. 海外人才overseas talents 全球化世界globalized world 开展launch 一系列 a series of 国企state companies 教育机构educational institutions 商业园区business districts 相连link …to
重庆大学网络教育学院 学生毕业设计（论文）开题报告 一、课题的目的及意义（含国内外的研究状况分析）： 近年来，随着国民经济的发展，市场竞争日益加大，再加上中国加入世贸组织，国 门逐渐打开，越来越多的国外企业在中国的市场上发展壮大，抢夺市场占有份额，对国内企业 造成了很大的冲击，特别是中小企业更难立足和发展，因此提高我们企业的竞争力迫在眉睫。 我们都是知道人才对于企业的生存和发展都有着重要的意义，并起着越来越重要的作用， 尤其对于我国的中小企业而言，由于其财力、物力有限，不可能与大企业比资金、比实力，因 而人才，尤其是优秀的人才对我国的中小企业的生存与发展就有着决定性的作用。但是，由于 社会、历史和自身等诸多因素的影响，人才在我国的中小企业中往往难以发挥自己的才能，人 才流失现象相当严重，往往自己培养的核心员工成为别人的得意助手，给企业带来了不可估量 的损失。中小企业如果想要获得长足发展必须在人才方面下功夫，应该将人才战略作为整个 企业发展战略的核心，但是中小企业在人才引进、聘用、培育、留守方面存在着种种的不利和 弊端，这些直接导致了企业请进了人才而又留不住人才的尴尬局面的出现。因此如何留住人才， 如何解决人才流失这一问题就显得尤为必要。 二、课题任务、重点研究内容、实现途径、条件： 本文主要利用文献研究方法，通过多种途径收集有关中小企业人才流失现状及对策的文献 资料。主要包括相关著作、期刊杂志以及相关网站查找资料，收集数据等多个关于人才流失的 的相关著作及论文，收集我国关于中小企业相关的文献资料及法律法规等。通过搜集和整理大 量的与中小企业人才流失相关的资料，在指导老师的指导和帮助下，分析中小企业在人力资源 管理中的人才流失问题，找出原因，并结合自己所学的知识、收集的资料并整理消化写成论文。 通过新颖的论点和想法来提出自己论文的创新点，并运用所学习的知识来补充和加工。本文 先阐述课题背景和目的，从而引出人才流失的研究现状，结合现状并运用课题的研究方法来分
毕业论文（设计）外文翻译 题目：中国上市公司偏好股权融资：非制度性因素 系部名称：经济管理系专业班级:会计082班 学生姓名：任民学号： 200880444228 指导教师：冯银波教师职称:讲师 年月日
译文： 中国上市公司偏好股权融资：非制度性因素 国际商业管理杂志 2009.10 摘要：本文把重点集中于中国上市公司的融资活动，运用西方融资理论，从非制度性因素方面，如融资成本、企业资产类型和质量、盈利能力、行业因素、股权结构因素、财务管理水平和社会文化，分析了中国上市公司倾向于股权融资的原因，并得出结论，股权融资偏好是上市公司根据中国融资环境的一种合理的选择。最后，针对公司的股权融资偏好提出了一些简明的建议。 关键词：股权融资，非制度性因素，融资成本 一、前言 中国上市公司偏好于股权融资，根据中国证券报的数据显示，1997年上市公司在资本市场的融资金额为95.87亿美元，其中股票融资的比例是72.5％，，在1998年和1999年比例分别为72.6％和72.3％，另一方面，债券融资的比例分别是17.8％，24.9％和25.1％。在这三年，股票融资的比例，在比中国发达的资本市场中却在下跌。以美国为例，当美国企业需要的资金在资本市场上，于股权融资相比他们宁愿选择债券融资。统计数据显示，从1970年到1985年，美日企业债券融资占了境外融资的91.7％，比股权融资高很多。阎达五等发现，大约中国3/4的上市公司偏好于股权融资。许多研究的学者认为，上市公司按以下顺序进行外部融资：第一个是股票基金，第二个是可转换债券，三是短期债务，最后一个是长期负债。许多研究人员通常分析我国上市公司偏好股权是由于我们国家的经济改革所带来的制度性因素。他们认为，上市公司的融资活动违背了西方古典融资理论只是因为那些制度性原因。例如，优序融资理论认为，当企业需要资金时，他们首先应该转向内部资金（折旧和留存收益），然后再进行债权融资，最后的选择是股票融资。在这篇文章中，笔者认为，这是因为具体的金融环境激活了企业的这种偏好，并结合了非制度性因素和西方金融理论，尝试解释股权融资偏好的原因。
农村社会养老保险的现状、问题与对策研究社会保障对国家安定和经济发展具有重要作用，“城乡二元经济”现象日益凸现，农村社会保障问题客观上成为社会保障体系中极为重要的部分。建立和完善农村社会保障制度关系到农村乃至整个社会的经济发展，并且对我国和谐社会的构建至关重要。我国农村社会保障制度尚不完善，因此有必要加强对农村独立社会保障制度的构建，尤其对农村养老制度的改革，建立健全我国社会保障体系。从户籍制度上看，我国居民养老问题可分为城市居民养老和农村居民养老两部分。对于城市居民我国政府已有比较充足的政策与资金投人，使他们在物质和精神方面都能得到较好地照顾，基本实现了社会化养老。而农村居民的养老问题却日益突出，成为摆在我国政府面前的一个紧迫而又棘手的问题。 一、我国农村社会养老保险的现状 关于农村养老，许多地区还没有建立农村社会养老体系，已建立的地区也存在很多缺陷，运行中出现了很多问题，所以完善农村社会养老保险体系的必要性与紧迫性日益体现出来。 （一）人口老龄化加快 随着城市化步伐的加快和农村劳动力的输出，越来越多的农村青壮年人口进入城市，年龄结构出现“两头大，中间小”的局面。中国农村进入老龄社会的步伐日渐加快。第五次人口普查显示：中国65岁以上的人中农村为5938万，占老龄总人口的67.4%.在这种严峻的现实面前，农村社会养老保险的徘徊显得极其不协调。 （二）农村社会养老保险覆盖面太小 中国拥有世界上数量最多的老年人口，且大多在农村。据统计，未纳入社会保障的农村人口还很多，截止2000年底，全国7400多万农村居民参加了保险，占全部农村居民的11.18%，占成年农村居民的11.59%.另外，据国家统计局统计，我国进城务工者已从改革开放之初的不到200万人增加到2003年的1.14亿人。而基本方案中没有体现出对留在农村的农民和进城务工的农民给予区别对待。进城务工的农民既没被纳入到农村养老保险体系中，也没被纳入到城市养老保险体系中，处于法律保护的空白地带。所以很有必要考虑这个特殊群体的养老保险问题。
对行销售人员激励机制分析 1激励机制的描述 1.1激励理论主要是研究激发人们行为动机的各种因素。由于人类行为 的原动力是需要，因此这种理论实际上就是围绕着人们的各种需要来进行研究。主要包括马斯洛的赫茨伯格的双因素理论、奥尔德弗的“ERG”理论、需要层次理论和麦克利兰的成就需要激励理论。 1.2 过程型激励理论重点研究人从动机产生到采取行动的心理过程。 包括亚当斯的公平理论、佛隆的期望理论和斯金纳的强化理论。 二对行销售人员激励机制分析 美国心理学家佛隆在1964年首先提出期望理论，人之所以能够完成某项工作并达成组织目标，因为这些组织目标和工作会帮助他们达成自己的目标。根据期望理论，某一活动对某人的激发力量取决于他所能得到的结果的全部预期价值乘以他认为达成该结果的期望概率。这就要求要处理好三个方面的关系：绩效与奖励的关系、努力与绩效的关系、奖励与个人需要的关系，任何一个环节都不能出现问题，否则都会导致无效激励。 从以期望理论为代表的过程型激励理论与内容型激励理论的观点来看，激励过程的科学性和合理性、激励手段对销售人员个性化需求的满足程度构成了激励的两要素。由此看出，销售人员的激励机制确实有改进的必要。 三销售人员激励体制中不足原因 3.1激励方式单一，过分依靠货币等物质激励手段而忽视精神激励的重要作用，销售人员没有归属感，缺少团队凝聚力。即使在物质激励方面，也是“佣金制”和“提成制”的天下，收入的多少完全依据销售额或利润额的多少，无视死去差异和个人实际努力程度，激励不公现象十分普遍。 3.2晋升制度僵硬，论资排辈，讲资历而忽视能力，讲关系而忽视业务水平，人浮于事，优秀人才流失严重，已不再适应市场竞争的需要。 3.3多数企业没有完整的培训激励机制，企业只注重“挖人”而非培养，因而满足不了销售人员自我发展的需要。
软件专业毕业论文外文文献中英文翻译 Object landscapes and lifetimes Tech nically, OOP is just about abstract data typing, in herita nee, and polymorphism, but other issues can be at least as importa nt. The rema in der of this sect ion will cover these issues. One of the most importa nt factors is the way objects are created and destroyed. Where is the data for an object and how is the lifetime of the object con trolled? There are differe nt philosophies at work here. C++ takes the approach that con trol of efficie ncy is the most importa nt issue, so it gives the programmer a choice. For maximum run-time speed, the storage and lifetime can be determined while the program is being written, by placing the objects on the stack (these are sometimes called automatic or scoped variables) or in the static storage area. This places a priority on the speed of storage allocatio n and release, and con trol of these can be very valuable in some situati ons. However, you sacrifice flexibility because you must know the exact qua ntity, lifetime, and type of objects while you're writing the program. If you are trying to solve a more general problem such as computer-aided desig n, warehouse man ageme nt, or air-traffic con trol, this is too restrictive. The sec ond approach is to create objects dyn amically in a pool of memory called the heap. In this approach, you don't know un til run-time how many objects you n eed, what their lifetime is, or what their exact type is. Those are determined at the spur of the moment while the program is runnin g. If you n eed a new object, you simply make it on the heap at the point that you n eed it. Because the storage is man aged dyn amically, at run-time, the amount of time required to allocate storage on the heap is sig ni fica ntly Ion ger tha n the time to create storage on the stack. (Creat ing storage on the stack is ofte n a si ngle assembly in structio n to move the stack poin ter dow n, and ano ther to move it back up.) The dyn amic approach makes the gen erally logical assumpti on that objects tend to be complicated, so the extra overhead of finding storage and releas ing that storage will not have an importa nt impact on the creati on of an object .In additi on, the greater flexibility is esse ntial to solve the gen eral program ming problem. Java uses the sec ond approach, exclusive". Every time you want to create an object, you use the new keyword to build a dyn amic in sta nee of that object. There's ano ther issue, however, and that's the lifetime of an object. With Ian guages that allow objects to be created on the stack, the compiler determines how long the object lasts and can automatically destroy it. However, if you create it on the heap the compiler has no kno wledge of its lifetime. In a Ianguage like C++, you must determine programmatically when to destroy the
日本动漫产业发展趋势外文翻译 本科毕业论文外文翻译 外文题目: Japan Animation Industry Trends 出处:JETRO Japan Economic Monthly, June 2005 作者:Japanese Economy Division译文: 日本动漫产业发展趋势 日本动画不仅在日本,同时在海外也备受关注。在扩大电影,电视和录像的国内市场后,日本动画电影制作人的视线也已经转向海外市场。与此同时,在电影制作多元化筹资方式的方面已出现新的发展。在此背景下,日本动漫产业正在努力处理某些人力资源的技能短缺,国内电影生产基地缩减和扩大海外业务的挑战。 1、市场概述 2004年日本动画市场。2004年在日本会谈的亚洲动画市场是吉卜力工作室红极一时的《哈尔的移动城堡》工作室在三年内的第一个新版本,将在11月开幕。导演宫崎骏的著作在短短44天超过了10万观众,比在日本的任何电影都快。此后其受欢迎程度不断,观众上升到1423.0万,截至到3月8日,打破标志的是宫崎骏的《魔法公主》,并将它放在日本电影史上的第两位。现在的问题是如何关闭由《千与千寻》在日本创下的所有的2350万的时间纪录。2005年6月开始《哈尔的移动城堡》也将在韩国和其他国家,包括美国60多个城市放映。 市场环境。日本动画(“动漫”)已被赞誉为始祖,日本的文化和内容,对所谓的程度,这是世界范围内的“Japanimation。”导演押井守的动画电影《无辜
的人》2004年在第57届戛纳电影节上被提名。《纯真》是到《攻壳机动队》(1995)的续集,在美国的Billboard影片排行榜上名列第一。宫崎骏的《千与千寻》2003年在第75届奥斯卡奖项上荣获奥斯卡动画长片奖,同时在2002年柏林电影节金熊奖上再次获奖和证明日本是生产世界一流动画的国家。据说许多美国和亚洲动画师想要制作日本的动漫作品,这表明日本动画被领先的专业人士认可。《千与千寻》的商业成功,同时表明在全球公众的日本动漫的优点和国际竞争力。世界已经明确看好日本动漫具有巨大的商业潜力。 尽管如此,业界还没有转移的态势,足以应付海外的一致好评。展望未来,日本动漫产业不仅要扩大海外,它也必须制定必要的生产/配送系统和人员,利用对动画片和其他内容的全球商业机会。事实上生产系统已经成立,但业内人士仍然具有在国内/海外发行和权利上有许多突出的弱点,如在一般的国际许可和业务专长。在发展领域的人员,动画师没有一个适当的高社会地位,所以对其他行业和国家,例如人员外流,已成为一个大问题。 2、多变的市场规模 日本国内的动漫市场大致可分为三类: 正片长度的电影 电视节目 上述视频和DVD两个版本外,还有原作品 据媒体发展研究所透露,在2003年日本的动漫市场销售额下降了10.4%至一千九百十二亿日元,包括动画电影的票房收入,电视动画制作费,销售、出租录像带和DVD产品的利润。这是在两年内(图1)的首次下降。在2001年和2002年实现实质性成果主要是由于2001年《千与千寻》成功的票房(30.4亿日元)然
本科毕业设计（论文）中英文对照翻译 院（系部）电气工程与自动化 专业名称电子信息工程 年级班级 04级7班 学生姓名 指导老师
Infrared Remote Control System Abstract Red outside data correspondence the technique be currently within the scope of world drive extensive usage of a kind of wireless conjunction technique,drive numerous hardware and software platform support. Red outside the transceiver product have cost low, small scaled turn, the baud rate be quick, point to point SSL, be free from electromagnetism thousand Raos etc.characteristics, can realization information at dissimilarity of the product fast, convenience, safely exchange and transmission, at short distance wireless deliver aspect to own very obvious of advantage.Along with red outside the data deliver a technique more and more mature, the cost descend, red outside the transceiver necessarily will get at the short distance communication realm more extensive of application. The purpose that design this system is transmit cu stomer’s operation information with infrared rays for transmit media, then demodulate original signal with receive circuit. It use coding chip to modulate signal and use decoding chip to demodulate signal. The coding chip is PT2262 and decoding chip is PT2272. Both chips are made in Taiwan. Main work principle is that we provide to input the information for the PT2262 with coding keyboard. The input information was coded by PT2262 and loading to high frequent load wave whose frequent is 38 kHz, then modulate infrared transmit dioxide and radiate space outside when it attian enough power. The receive circuit receive the signal and demodulate original information. The original signal was decoded by PT2272, so as to drive some circuit to accomplish
毕业论文外文资料翻译题目(宋体三号，居中) 学院(全称，宋体三号，居中) 专业(全称，宋体三号，居中) 班级(宋体三号，居中) 学生(宋体三号，居中) 学号(宋体三号，居中) 指导教师(宋体三号，居中) 二〇一〇年月日(宋体三号，居中，时间与开题时间一致)
（英文原文装订在前）
Journal of American Chemical Society, 2006, 128(7): 2421-2425. (文献翻译必须在中文译文第一页标明文献出处：即文章是何期刊上发表的，X年X 卷X期，格式如上例所示，四号，右对齐，杂志名加粗。) [点击输入译文题目-标题1，黑体小二] [点击输入作者，宋体小四] [点击输入作者单位，宋体五号] 摘要[点击输入，宋体五号] 关键词[点击输入，宋体五号] 1[点击输入一级标题-标题2，黑体四号] [点击输入正文，宋体小四号，1.25倍行距] 1.1[点击输入二级标题-标题3，黑体小四] [点击输入正文，宋体小四，1.25倍行距] 1.1.1[点击输入三级标题-标题4，黑体小四] [点击输入正文，宋体小四，1.25倍行距] 说明： 1.外文文章必须是正规期刊发表的。 2.翻译后的中文文章必须达到2000字以上，并且是一篇完整文章。 3.必须要有外文翻译的封面，使用学校统一的封面； 封面上的翻译题目要写翻译过来的中文题目； 封面上时间与开题时间一致。 4.外文原文在前，中文翻译在后； 5.中文翻译中要包含题目、摘要、关键词、前言、全文以及参考文献，翻译要条理
清晰，中文翻译要与英文一一对应。 6.翻译中的中文文章字体为小四，所有字母、数字均为英文格式下的，中文为宋体， 标准字符间距。 7.原文中的图片和表格可以直接剪切、粘贴，但是表头与图示必须翻译成中文。 8.图表必须居中，文章段落应两端对齐、首行缩进2个汉字字符、1.25倍行距。 例如： 图1. 蛋白质样品的PCA图谱与8-卟啉识别排列分析(a)或16-卟啉识别排列分析(b)。为了得到b 的 数据矩阵，样品用16-卟啉识别排列分析来检测，而a 是通过捕获首八卟啉接收器数据矩阵从 b 中 萃取的。