毕业设计-外文翻译正确格式范例
最新外文文献翻译格式范例
外文文献翻译格式范例本科毕业设计（外文翻译）外文参考文献译文及原文学院信息工程学院专业信息工程（电子信息工程方向）年级班别 2006级（4）班学号 3206003186学生姓名柯思怡指导教师 ______ 田妮莉 _ __2010年6月目录熟悉微软SQL Server (1)1Section A 引言 (1)2Section B 再谈数据库可伸缩性 (4)3Section C 数据库开发的特点 (7)Get Your Arms around Microsoft SQL Server (9)1Section A Introduction to SQL Server 2005 (9)2Section B Database Scalability Revisited (13)3Section C Features for Database Development (17)熟悉微软SQL Server1 Section A 引言SQL Server 2005 是微软SQL生产线上最值得期待的产品。
在经过了上百万个邮件，成百上千的规范说明，以及数十次修订后。
微软承诺SQL Server 2005 是最新的基于Windows数据库应用的数据库开发平台。
这节的内容将指出SQL Server 2005产品的一些的重要特征。
SQL Server 2005几乎覆盖OLTP及OLAP技术的所又内容。
微软公司的这个旗舰数据库产品几乎能覆盖所有的东西。
这个软件在经过五年多的制作后，成为一个与它任何一个前辈产品都完全不同的产品。
本节将介绍整个产品的大部分功能。
当人们去寻求其想要的一些功能和技术时，可以从中提取出重要的和最感新区的内容，包括SQL Server Engine 的一些蜕变的历史，以及各种各样的SQL Server 2005的版本，可伸缩性，有效性，大型数据库的维护以及商业智能等如下：●数据库引擎增强技术。
SQL Server 2005 对数据库引擎进行了许多改进，并引入了新的功能。
毕业论文外文翻译格式【范本模板】
因为学校对毕业论文中的外文翻译并无规定，为统一起见,特做以下要求：1、每篇字数为1500字左右，共两篇；2、每篇由两部分组成:译文+原文.3 附件中是一篇范本，具体字号、字体已标注。
外文翻译（包含原文)(宋体四号加粗）外文翻译一（宋体四号加粗）作者：(宋体小四号加粗）Kim Mee Hyun Director, Policy Research & Development Team，Korean Film Council（小四号）出处：(宋体小四号加粗)Korean Cinema from Origins to Renaissance(P358～P340) 韩国电影的发展及前景（标题：宋体四号加粗）1996～现在数量上的增长(正文:宋体小四）在过去的十年间，韩国电影经历了难以置信的增长。
上个世纪60年代，韩国电影迅速崛起，然而很快便陷入停滞状态,直到90年代以后，韩国电影又重新进入繁盛时期。
在这个时期，韩国电影在数量上并没有大幅的增长，但多部电影的观影人数达到了上千万人次。
1996年，韩国本土电影的市场占有量只有23.1%。
但是到了1998年，市场占有量增长到35。
8%，到2001年更是达到了50%。
虽然从1996年开始，韩国电影一直处在不断上升的过程中，但是直到1999年姜帝圭导演的《生死谍变》的成功才诞生了韩国电影的又一个高峰。
虽然《生死谍变》创造了韩国电影史上的最高电影票房纪录，但是1999年以后最高票房纪录几乎每年都会被刷新。
当人们都在津津乐道所谓的“韩国大片”时，2000年朴赞郁导演的《共同警备区JSA》和2001年郭暻泽导演的《朋友》均成功刷新了韩国电影最高票房纪录.2003年康佑硕导演的《实尾岛》和2004年姜帝圭导演的又一部力作《太极旗飘扬》开创了观影人数上千万人次的时代。
姜帝圭和康佑硕导演在韩国电影票房史上扮演了十分重要的角色。
从1993年的《特警冤家》到2003年的《实尾岛》，康佑硕导演了多部成功的电影。
毕业论文 外文翻译格式
毕业论文外文翻译格式毕业论文外文翻译格式在撰写毕业论文时，外文翻译是一个重要的环节。
无论是引用外文文献还是翻译相关内容，都需要遵循一定的格式和规范。
本文将介绍一些常见的外文翻译格式，并探讨其重要性和应用。
首先，对于引用外文文献的格式，最常见的是使用APA（American Psychological Association）格式。
这种格式要求在引用外文文献时，先列出作者的姓氏和名字的首字母，然后是出版年份、文章标题、期刊名称、卷号和页码。
例如：Smith, J. D. (2010). The impact of climate change on biodiversity. Environmental Science, 15(2), 145-156.在翻译外文文献时，需要注意保持原文的准确性和完整性。
尽量避免意译或添加自己的解释，以免歪曲原文的意思。
同时，还需要在翻译后的文献后面加上“译者”和“翻译日期”的信息，以便读者可以追溯翻译的来源和时间。
其次，对于翻译相关内容的格式，可以参考国际标准组织ISO（International Organization for Standardization）的格式。
这种格式要求在翻译相关内容时，先列出原文，然后是翻译后的文本。
例如：原文：The importance of effective communication in the workplace cannot be overstated.翻译：工作场所有效沟通的重要性不容忽视。
在翻译相关内容时，需要注意保持原文的意思和语气。
尽量使用准确的词汇和语法结构，以便读者能够理解和接受翻译后的内容。
同时，还需要在翻译后的文本后面加上“翻译者”和“翻译日期”的信息，以便读者可以追溯翻译的来源和时间。
此外，对于长篇外文文献的翻译，可以考虑将其分成若干章节，并在每个章节前面加上章节标题。
这样可以使读者更容易理解和阅读翻译后的内容。
(范例)外文翻译格式
本科毕业设计（论文）外文翻译译文学生姓名：院（系）：经济管理学院专业班级：市场营销0301班指导教师：完成日期：2007年3 月22 日日本的分销渠道——对于进入日本市场的挑战与机会Distribution Channels in JapanChallenges and Opportunities for theJapanese Market Entry作者：Hokey Min起止页码：P22-35出版日期（期刊号）：0960-0035出版单位：MCB Univercity Press外文翻译译文：介绍尽管美国对日本的出口在过去两年已有大幅度的增长，然而美国对日本仍然存在着很大的贸易赤字。
尽管没有出现下降趋势，但越来越多的美国决策者及商务经理已经开始审查日本的贸易活动。
在这些人中，有一个很普遍的想法就是日本市场没有对美国产品开放，相反，美国市场对日本的贸易是开放的。
因此，克林顿政府试图采取强硬措施来反对日本的一系列贸易活动，包括商业习惯和政府政策，还企图通过贸易制裁的威胁来反对日本产品。
然而，这样的措施也会产生适得其反的结果。
它不仅会为美国消费者带来更高的商品价格和更少的商品选择，同时也会增加日本消费者的反美情绪。
最近Ginkota和Kotabe的调查表明：单独的贸易谈判不会提高美国商品进入日本市场的能力。
而对于提高美国公司进入日本市场能力的一个行之有效的方法就是研究日本近几个世纪以来所采用的商业活动。
由于法律障碍或者是日本公司对外封锁商业渠道，日本当地的分销渠道往往对外国公司不利，而这样的商业活动被认为是进入日本市场的主要障碍。
事实上，Yamawaki美国商品成功出口到日本市场在很大程度上取决于美国解决协议合同的能力。
尽管进入日本市场意义重大，然而对西方人而言，日本的经销体系经常会被人误以为是充满神秘感的。
这种误解源于日本复杂的分销惯例特征。
而这种分销惯例沿袭古老的而又严谨的建设体系。
在尝试美国贸易在日本市场成功获利减少不必要的贸易冲突过程中，我们揭露了日本分销中获利的事实，探索出了能成功进入日本市场的战略性武器。
外文翻译指导记录怎么写
外文翻译指导记录怎么写外文翻译指导记录怎么写外文翻译、开题报告要求一套完整的毕业设计(论文)材料由外文翻译、开题报告和毕业设计(论文)正文三部分组成，按照统一的封面和格式编写。
和字体大小将按照学院的规定。
文本格式和书写要求（一）外文翻译通过文献综述和翻译，进一步提高外语运用能力，熟悉本专业几大外文书刊，了解国内外毕业设计(论文)信息和动态。
1、格式：（1）外文（译文前面附被翻译的外文原件复印件）；（2）翻译成中文格式：①标题②署名（作者名）** 著译者：***③翻译正文④外文著录为了反映文稿的科学依据和译者尊重他人研究成果的严肃态度以及向读者提出有关信息的出处，要求译者按著录/题名/出版事项顺序排列注明：期刊——著者，题名，期刊名称，出版年，卷号（期号），起始页码。
书籍——著者，书名、版次（第一版不标注），出版地，出版者，出版年，起始页码。
2、内容要求：（1）阅读每位学生在文献查阅环节中，必须阅读5～10万个印刷符号的外语文献资料（最好阅读与课题或本专业有联系的内容），择其重要的翻译1～2万个印刷符号（约3000汉字）。
（2）翻译①标题应真实地反映出翻译外文的主体内容或原外文标题内容，一般控制在20个汉字以内。
可以用副标题对标题予以补充说明；②标题下方正中为外文作者署名；③外文翻译成中文的内容；④外文著录（二）开题报告1、格式：（1）课题名称；（2）学生、专业、指导教师和教学单位署名；（3）开题报告的正文撰写。
2、内容要求：（1）课题名称要求与毕业设计（论文）正文标题名称一致（一般控制在20个汉字以内，可以用副标题对标题予以补充说明）。
（2）学生、指导教师和教学单位署名：题目下方中间是学生签名，学生签名下方是专业名称，专业名称下方是指导老师签名，指导老师签名下方是教学单位签名(教学单位指学院)。
（3）开题报告的正文撰写要求包括（不少于2500字）：①课题来源②研究目的和意义③研究的内容与途径④国内外研究现状与发展趋势通过提问和分析问题，综合前人文献提出的理论和事实，比较各种学术观点，明确所提问题的历史、现状和发展方向。
毕业设计(论文)外文资料和译文格式要求(模板)
成都东软学院外文资料和译文格式要求一、译文必须采用计算机输入、打印，幅面A4。
外文资料原文（复印或打印）在前，译文在后，于左侧装订。
二、具体要求1、至少翻译一篇内容与所选课题相关的外文文献。
2、译文汉字字数不少于4000字。
3、正文格式要求：宋体五号字。
译文格式参见《译文格式要求》，宋体五号字，单倍行距。
纸张纸张为A4纸，页边距上2.54cm、下2.54cm、左3.17cm、右3.17cm。
装订外文资料原文（复印或打印）在前，译文在后封面封面的专业、班级、姓名、学号等信息要全部填写正确。
封面指导教师必须为讲师以上职称，若助教则需要配备一名讲师协助指导。
讲师在前，助教在后。
指导教师姓名后面空一个中文空格，加职称。
页眉页眉说明宋体小五，左端“XX学院毕业设计（论文）”，右端“译文”。
页眉中的学院名称要与封面学院名称一致。
字数本科4000字。
附：外文资料和译文封面、空白页成都东软学院外文资料和译文专业：软件工程移动互联网应用开发班级：2班姓名：罗荣昆学号：12310420216指导教师：2015年 12月 8日Android page layoutUsing XML-Based LayoutsW hile it is technically possible to create and attach widgets to our activity purely through Java code, the way we did in Chapter 4, the more common approach is to use an XML-based layout file. Dynamic instantiation of widgets is reserved for more complicated scenarios, where the widgets are not known at compile-time (e g., populating a column of radio buttons based on data retrieved off the Internet).With that in mind, it’s time to break out the XML and learn how to lay out Android activities that way.What Is an XML-Based Layout?As the name suggests, an XML-based layout is a specification of widgets’ relationships to each other—and to their containers (more on this in Chapter 7)—encoded in XML format. Specifi cally, Android considers XML-based layouts to be resources, and as such layout files are stored in the res/layout directory inside your Android project.Each XML file contains a tree of elements specifying a layout of widgets and their containers that make up one view hierarchy. The attributes of the XML elements are properties, describing how a widget should look or how a container should behave. For example, if a Button element has an attribute value of android:textStyle = "bold", that means that the text appearing on the face of the button should be rendered in a boldface font style.Android’s SDK ships with a tool (aapt) which uses the layouts. This tool should be automatically invoked by your Android tool chain (e.g., Eclipse, Ant’s build.xml). Of particular importance to you as a developer is that aapt generates the R.java source file within your project, allowing you to access layouts and widgets within those layouts directly from your Java code. Why Use XML-Based Layouts?Most everything you do using XML layout files can be achieved through Java code. For example, you could use setTypeface() to have a button render its textin bold, instead of using a property in an XML layout. Since XML layouts are yet another file for you to keep track of, we need good reasons for using such files.Perhaps the biggest reason is to assist in the creation of tools for view definition, such as a GUI builder in an IDE like Eclipse or a dedicated Android GUI designer like DroidDraw1. Such GUI builders could, in principle, generate Java code instead of XML. The challenge is re-reading the UI definition to support edits—that is far simpler if the data is in a structured format like XML than in a programming language. Moreover, keeping generated XML definitions separated from hand-written Java code makes it less likely that somebody’s custom-crafted source will get clobbered by accident when the generated bits get re-generated. XML forms a nice middle ground between something that is easy for tool-writers to use and easy for programmers to work with by hand as needed.Also, XML as a GUI definition format is becoming more commonplace. Microsoft’s XAML2, Adobe’s Flex3, and Mozilla’s XUL4 all take a similar approach to that of Android: put layout details in an XML file and put programming smarts in source files (e.g., JavaScript for XUL). Many less-well-known GUI frameworks, such as ZK5, also use XML for view definition. While “following the herd” is not necessarily the best policy, it does have the advantage of helping to ease the transition into Android from any other XML-centered view description language. OK, So What Does It Look Like?Here is the Button from the previous chapter’s sample application, converted into an XMLlayout file, found in the Layouts/NowRedux sample project. This code sample along with all others in this chapter can be found in the Source Code area of .<?xml version="1.0" encoding="utf-8"?><Button xmlns:android="/apk/res/android"android:id="@+id/button"android:text=""android:layout_width="fill_parent"android:layout_height="fill_parent"/>The class name of the widget—Button—forms the name of the XML element. Since Button is an Android-supplied widget, we can just use the bare class name. If you create your own widgets as subclasses of android.view.View, you would need to provide a full package declara tion as well.The root element needs to declare the Android XML namespace:xmlns:android="/apk/res/android"All other elements will be children of the root and will inherit that namespace declaration.Because we want to reference this button from our Java code, we need to give it an identifier via the android:id attribute. We will cover this concept in greater detail later in this chapter.The remaining attributes are properties of this Button instance:• android:text indicates the initial text to be displayed on the button face (in this case, an empty string)• android:layout_width and android:layout_height tell Android to have the button’swidth and height fill the “parent”, in this case the entire screen—these attributes will be covered in greater detail in Chapter 7.Since this single widget is the only content in our activity, we only need this single element. Complex UIs will require a whole tree of elements, representing the widgets and containers that control their positioning. All the remaining chapters of this book will use the XML layout form whenever practical, so there are dozens of other examples of more complex layouts for you to peruse from Chapter 7 onward.What’s with the @ Signs?Many widgets and containers only need to appear in the XML layout file and do not need to be referenced in your Java code. For example, a static label (TextView) frequently only needs to be in the layout file to indicate where it should appear. These sorts of elements in the XML file do not need to have the android:id attribute to give them a name.Anything you do want to use in your Java source, though, needs an android:id.The convention is to use @+id/... as the id value, where the ... represents your locally unique name for the widget in question. In the XML layout example in the preceding section, @+id/button is the identifier for the Button widget.Android provides a few special android:id values, of the form @android:id/.... We will see some of these in various chapters of this book, such as Chapters 8 and 10.We Attach These to the Java How?Given that you have painstakingly set up the widgets and containers in an XML layout filenamed main.xml stored in res/layout, all you need is one statement in your activity’s onCreate() callback to use that layout:setContentView(yout.main);This is the same setContentView() we used earlier, passing it an instance of a View subclass (in that case, a Button). The Android-built view, constructed from our layout, is accessed from that code-generated R class. All of the layouts are accessible under yout, keyed by the base name of the layout file—main.xml results in yout.main.To access our identified widgets, use findViewById(), passing in the numeric identifier of the widget in question. That numeric identifier was generated by Android in the R class asR.id.something (where something is the specific widget you are seeking). Those widgets are simply subclasses of View, just like the Button instance we created in Chapter 4.The Rest of the StoryIn the original Now demo, the button’s face would show the current time, which would reflect when the button was last pushed (or when the activity was first shown, if the button had not yet been pushed).Most of that logic still works, even in this revised demo (NowRedux). However,rather than instantiating the Button in our activity’s onCreate() callback, we can reference the one from the XML layout:package youts;import android.app.Activity;import android.os.Bundle;import android.view.View;import android.widget.Button; import java.util.Date;public class NowRedux extends Activity implements View.OnClickListener { Button btn;@Overridepublic void onCreate(Bundle icicle) { super.onCreate(icicle);setContentView(yout.main);btn=(Button)findViewById(R.id.button);btn.setOnClickListener(this);upd ateTime();}public void onClick(View view) { updateTime();}private void updateTime() {btn.setText(new Date().toString()); }}The first difference is that rather than setting the content view to be a view we created in Java code, we set it to reference the XML layout (setContentView(yout.main)). The R.java source file will be updated when we rebuild this project to include a reference to our layout file (stored as main.xml in our project’s res/l ayout directory).The other difference is that we need to get our hands on our Button instance, for which we use the findViewById() call. Since we identified our button as @+id/button, we can reference the button’s identifier as R.id.button. Now, with the Button instance in hand, we can set the callback and set the label as needed.As you can see in Figure 5-1, the results look the same as with the originalNow demo.Figure 5-1. The NowRedux sample activity Employing Basic WidgetsE very GUI toolkit has some basic widgets: fields, labels, buttons, etc. Android’s toolkit is no different in scope, and the basic widgets will provide a good introduction as to how widgets work in Android activities.Assigning LabelsThe simplest widget is the label, referred to in Android as a TextView. Like in most GUI toolkits, labels are bits of text not editable directly by users. Typically, they are used to identify adjacent widgets (e.g., a “Name:” label before a field where one fills in a name).In Java, you can create a label by creating a TextView instance. More commonly, though, you will create labels in XML layout files by adding a TextView element to the layout, with an android:text property to set the value of the label itself. If you need to swap labels based on certain criteria, such as internationalization, you may wish to use a resource reference in the XML instead, as will be described in Chapter 9. TextView has numerous other properties of relevance for labels, such as:• android:typeface to set the typeface to use for the label (e.g., monospace) • android:textStyle to indicate that the typeface should be made bold (bold), italic (italic),or bold and italic (bold_italic)• android:textColor to set the color of the label’s text, in RGB hex format (e.g., #FF0000 for red)For example, in the Basic/Label project, you will find the following layout file:<?xml version="1.0" encoding="utf-8"?><TextView xmlns:android=/apk/res/androidandroid:layout_width="fill_parent"android:layout_height="wrap_content"android:text="You were expecting something profound?" />As you can see in Figure 6-1, just that layout alone, with the stub Java source provided by Android’s p roject builder (e.g., activityCreator), gives you the application.Figure 6-1. The LabelDemo sample applicationButton, Button, Who’s Got the Button?We’ve already seen the use of the Button widget in Chapters 4 and 5. As it turns out, Button is a subclass of TextView, so everything discussed in the preceding section in terms of formatting the face of the button still holds. Fleeting ImagesAndroid has two widgets to help you embed images in your activities: ImageView and ImageButton. As the names suggest, they are image-based analogues to TextView and Button, respectively.Each widget takes an android:src attribute (in an XML layout) to specify what picture to use. These usually reference a drawable resource, described in greater detail in the chapter on resources. You can also set the image content based on a Uri from a content provider via setImageURI().ImageButton, a subclass of ImageView, mixes in the standard Button behaviors, for responding to clicks and whatnot.For example, take a peek at the main.xml layout from the Basic/ImageView sample project which is found along with all other code samples at : <?xml version="1.0" encoding="utf-8"?><ImageView xmlns:android=/apk/res/androidandroid:id="@+id/icon"android:layout_width="fill_parent"android:layout_height="fill_parent"android:adjustViewBounds="true"android:src="@drawable/molecule" />The result, just using the code-generated activity, is shown in Figure 6-2.Figure 6-2. The ImageViewDemo sample applicationFields of Green. Or Other Colors.Along with buttons and labels, fields are the third “anchor” of most GUI toolkits. In Android, they are implemented via the EditText widget, which is a subclass of the TextView used for labels.Along with the standard TextView properties (e.g., android:textStyle), EditText has many others that will be useful for you in constructing fields, including:• android:autoText, to control if the fie ld should provide automatic spelling assistance• android:capitalize, to control if the field should automatically capitalize the first letter of entered text (e.g., first name, city) • android:digits, to configure the field to accept only certain digi ts • android:singleLine, to control if the field is for single-line input or multiple-line input (e.g., does <Enter> move you to the next widget or add a newline?)Beyond those, you can configure fields to use specialized input methods, such asandroid:numeric for numeric-only input, android:password for shrouded password input,and android:phoneNumber for entering in phone numbers. If you want to create your own input method scheme (e.g., postal codes, Social Security numbers), you need to create your own implementation of the InputMethod interface, then configure the field to use it via android: inputMethod.For example, from the Basic/Field project, here is an XML layout file showing an EditText:<?xml version="1.0" encoding="utf-8"?><EditTextxmlns:android=/apk/res/androidandroid:id="@+id/field"android:layout_width="fill_parent"android:layout_height="fill_parent"android:singleLine="false" />Note that android:singleLine is false, so users will be able to enter in several lines of text. For this project, the FieldDemo.java file populates the input field with some prose:package monsware.android.basic;import android.app.Activity;import android.os.Bundle;import android.widget.EditText;public class FieldDemo extends Activity { @Overridepublic void onCreate(Bundle icicle) { super.onCreate(icicle);setContentView(yout.main);EditText fld=(EditText)findViewById(R.id.field);fld.setText("Licensed under the Apache License, Version 2.0 " + "(the \"License\"); you may not use this file " + "except in compliance with the License. You may " + "obtain a copy of the License at " +"/licenses/LICENSE-2.0");}}The result, once built and installed into the emulator, is shown in Figure 6-3.Figure 6-3. The FieldDemo sample applicationNote Android’s emulator only allows one application in the launcher per unique Java package. Since all the demos in this chapter share the monsware.android.basic package, you will only see one of these demos in your emulator’s launcher at any one time.Another flavor of field is one that offers auto-completion, to help users supply a value without typing in the whole text. That is provided in Android as the AutoCompleteTextView widget and is discussed in Chapter 8.Just Another Box to CheckThe classic checkbox has two states: checked and unchecked. Clicking the checkbox toggles between those states to indicate a choice (e.g., “Ad d rush delivery to my order”). In Android, there is a CheckBox widget to meet this need. It has TextView as an ancestor, so you can use TextView properties likeandroid:textColor to format the widget. Within Java, you can invoke: • isChecked() to determi ne if the checkbox has been checked• setChecked() to force the checkbox into a checked or unchecked state • toggle() to toggle the checkbox as if the user checked itAlso, you can register a listener object (in this case, an instance of OnCheckedChangeListener) to be notified when the state of the checkbox changes.For example, from the Basic/CheckBox project, here is a simple checkbox layout:<?xml version="1.0" encoding="utf-8"?><CheckBox xmlns:android="/apk/res/android"android:id="@+id/check"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="This checkbox is: unchecked" />The corresponding CheckBoxDemo.java retrieves and configures the behavior of the checkbox:public class CheckBoxDemo extends Activityimplements CompoundButton.OnCheckedChangeListener { CheckBox cb;@Overridepublic void onCreate(Bundle icicle) { super.onCreate(icicle);setContentView(yout.main);cb=(CheckBox)findViewById(R.id.check);cb.setOnCheckedChangeListener(this);}public void onCheckedChanged(CompoundButton buttonView,boolean isChecked) {if (isChecked) {cb.setText("This checkbox is: checked");}else {cb.setText("This checkbox is: unchecked");}}}Note that the activity serves as its own listener for checkbox state changes since it imple ments the OnCheckedChangeListener interface (via cb.setOnCheckedChangeListener(this)). The callback for the listener is onCheckedChanged(), which receives the checkbox whose state has changed and what the new state is. In this case, we update the text of the checkbox to reflect what the actual box contains.The result? Clicking the checkbox immediately updates its text, as you can see in Figures 6-4 and 6-5.Figure 6-4. The CheckBoxDemo sample application, with the checkbox uncheckedFigure 6-5. The same application, now with the checkbox checkedTurn the Radio UpAs with other implementations of radio buttons in other toolkits, Android’s radio buttons are two-state, like checkboxes, but can be grouped such that only one radio button in the group can be checked at any time.Like CheckBox, RadioButton inherits from CompoundButton, which in turn inherits fromTextView. Hence, all the standard TextView properties for font face, style, color, etc., are available for controlling the look of radio buttons. Similarly, you can call isChecked() on a RadioButton to see if it is selected, toggle() to select it, and so on, like you can with a CheckBox.Most times, you will want to put your RadioButton widgets inside of aRadioGroup. The RadioGroup indicates a set of radio buttons whose state is tied, meaning only one button out of the group can be selected at any time. If you assign an android:id to your RadioGroup in your XML layout, you can access the group from your Java code and invoke:• check() to check a specific radio button via its ID (e.g., group.check(R.id.radio1))• clearCheck() to clear all radio buttons, so none in the group are checked• getCheckedRadioButtonId() to get the ID of the currently-checked radio button (or -1 if none are checked)For example, from the Basic/RadioButton sample application, here is an XML layout showing a RadioGroup wrapping a set of RadioButton widgets: <?xml version="1.0" encoding="utf-8"?> <RadioGroupxmlns:android=/apk/res/androidandroid:orientation="vertical"android:layout_width="fill_parent"android:layout_height="fill_parent" ><RadioButton android:id="@+id/radio1"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="Rock" /><RadioButton android:id="@+id/radio2"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="Scissors" /><RadioButton android:id="@+id/radio3"android:layout_width="wrap_content"android:layout_height="wrap_content"android:text="Paper" /></RadioGroup>Figure 6-6 shows the result using the stock Android-generated Java forthe project and this layout.Figure 6-6. The RadioButtonDemo sample application Note that the radio button group is initially set to be completely unchecked at the outset. To pre-set one of the radio buttons to be checked, use either setChecked() on the RadioButton or check() on the RadioGroup from within your onCreate() callback in your activity.It’s Quite a ViewAll widgets, including the ones previously shown, extend View, and as such give all widgets an array of useful properties and methods beyond those already described.Useful PropertiesSome of the properties on View most likely to be used include:• Controls the focus sequence:• android:nextFocusDown• android:nextFocusLeft• android:nextFocusRight• android:nextFocusUp• android:visibility, which controls wheth er the widget is initially visible• android:background, which typically provides an RGB color value (e.g., #00FF00 for green) to serve as the background for the widgetUseful MethodsYou can toggle whether or not a widget is enabled via setEnabled() and see if it is enabled via isEnabled(). One common use pattern for this is to disable some widgets based on a CheckBox or RadioButton selection.You can give a widget focus via requestFocus() and see if it is focused via isFocused(). You might use this in concert with disabling widgets as previously mentioned, to ensure the proper widget has the focus once your disabling operation is complete.To help navigate the tree of widgets and containers that make up an activity’s overall view, you can use:• get Parent() to find the parent widget or container• findViewById() to find a child widget with a certain ID• getRootView() to get the root of the tree (e.g., what you provided to the activity via setContentView())Android 页面布局使用XML进行布局虽然纯粹通过Java代码在activity上创建和添加部件，在技术上是可行的，我们在第4章中做的一样，更常见的方法是使用一种基于XML的布局文件。
外文翻译标准格式
毕业设计（论文）
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2、在“原稿出处”中对原稿的来源进行说明，包括作者姓名、出处、出版信息等。
期刊类文献书写方法：作者（不超过3人，多者用“等”或“et al”表示）．题名[J]．刊名，出版年，卷号（期号）：起止页码．
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3、检索和利用外文资料的能力是现阶段毕业设计（论文）环节中所要求掌握的基本能力之一。
外文翻译是在查阅外文文献时，将篇幅适当、内容与选题相关的外文资料翻译成中文。
通过翻译外文资料，可更深层次地了解国外相关领域的现状，同时也是对翻译能力的锻炼，并为考察和检验学生外语能力提供依据。
4、进行外文翻译应注意以下几点：
（1）翻译的外文文献内容应与论文选题相关；一般应选自国外学术期刊、学术会议的文章及其他相关材料。
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5、外文翻译字符应达到2000字符。
[单击此处添加外文原稿题目] [单击此处添加外文原稿正文]。
毕业设计-外文翻译 正确格式范例
天津科技大学本科生毕业设计（论文）外文资料翻译学院：材料科学与化学工程学院专业：高分子材料与工程姓名：阮孝顺学号：10032411指导教师（签名）：2014年3月15日基底机械附着防水体系ACC板适宜性的确认及其高风压下的强度Michal Bartko a, Hiroyuki Miyauchi a,*, Kyoji Tanaka ba忠南大学，305-764，大田，南韩b日本东京工业大学，226-8503，神奈川县，日本2012年9月7日收到，2013年5月9日收到修改稿，2013年5月19日接受，2013年6月19日发表【摘要】受到强风的影响，机械连接防水体系的蒸气压混凝土板（AAC）的可靠性需要验证。
通过静态和动态拉伸试验研究AAC面板紧固件的优点。
对最常用的机械和化学紧固件的优点和AAC断裂类型进行测试观察。
静态强度值介于2.0至5.0kN之间，动态强度下降范围在１.5到2.2kN之间。
而且，我们创造性的应用了弹性粘合剂来代替常用的环氧树脂从而广泛的消除了ACC断裂。
我们使用专门设计和生产的恒定负载型动态测试仪，检查完整的机械连接的防水体系的特征。
我们测试了两种聚氯乙烯（PVC）卷材的类型和两种不同的卷材和圆盘连接方法。
重复实验，直到失败的次数高达100,000次，并记录在相同强度的强风下实际屋顶发生的断裂类型。
也发现了紧固件的动态强度和完全防水体系之间的关系，证明了AAC面板有足够承载力能够作为机械连接防水体系的基底，也探究出了确定紧固件最大间距的方法。
2013年爱思唯尔公司保留所有权。
【关键词】：机械连接防水体系；AAC镶基板；阻力风；静态和动态测试；断口模式；体系设计方法2013年爱思唯尔公司保留所有权。
1.前言机械连接防水体系是一种干式防水体系，有几个优势，比如不受裂缝和联合移动的影响。
该防水体系适用于多种类型的基板，安装简单容易，可以方便的修复，在技术上和经济上可行。
因此，该体系在日本和全球的使用量正在增长。
毕业设计(论文)外文翻译【范本模板】
华南理工大学广州学院本科生毕业设计(论文）翻译英文原文名Review of Vibration Analysis Methods for Gearbox Diagnostics and Prognostics中文译名对变速箱振动分析的诊断和预测方法综述学院汽车工程学院专业班级车辆工程七班学生姓名刘嘉先学生学号201130085184指导教师李利平填写日期2015年3月15日英文原文版出处：Proceedings of the 54th Meeting of the Society for Machinery Failure Prevention Technology, Virginia Beach，V A, May 1-4，2000，p. 623-634译文成绩：指导教师(导师组长）签名：译文：简介特征提取技术在文献中有描述;然而，大多数人似乎掩盖所需的特定的预处理功能。
一些文件没有提供足够的细节重现他们的结果，并没有一个全面的比较传统的功能过渡齿轮箱数据。
常用术语,如“残差信号”,是指在不同的文件不同的技术.试图定义了状态维修社区中的常用术语和建立所需的特定的预处理加工特性。
本文的重点是对所使用的齿轮故障检测功能。
功能分为五个不同的组基于预处理的需要。
论文的第一部分将提供预处理流程的概述和其中每个特性计算的处理方案。
在下一节中，为特征提取技术描述，将更详细地讨论每一个功能。
最后一节将简要概述的宾夕法尼亚州立大学陆军研究实验室的CBM工具箱用于齿轮故障诊断。
特征提取概述许多类型的缺陷或损伤会增加机械振动水平。
这些振动水平，然后由加速度转换为电信号进行数据测量。
原则上,关于受监视的计算机的健康的信息被包含在这个振动签名。
因此，新的或当前振动签名可以与以前的签名进行比较,以确定该元件是否正常行为或显示故障的迹象。
在实践中，这种比较是不能奏效的。
由于大的变型中,签名的直接比较是困难的。
相反,一个涉及从所述振动署名数据特征提取更多有用的技术也可以使用。
(完整版)_毕业设计外文翻译__格式参考
南京理工大学泰州科技学院毕业设计(论文)外文资料翻译学院(系)：专业：姓名：学号：外文出处：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PC和PLC之间通信的网络概述网络控制图7-21显示了一个个人计算机连接到一些S7 - 200系列的CPU的配置。
STEP 7-MicroWIN 32是和s7-200系列的CPU同时进行通信的设计,但是你可以在网络上使用任何CPU。
在图7-21上，这些CPU可能是从设备或主设备。
TD 200就是一个主设备。
图7-22显示了一个更一般的包含多个复合主设备的网络。
通过应用EM277 PROFIBUS-DP模块，更高的波特率和更多的连接可能被采用。
网络通信协定S7 - 200系列的CPU支持各种通信功能。
根据你所使用的S7-200系列CPU,你的网络能支持一个或多个以下通信协议:•点对点接口(PPI)•多点接口(MPI)•现场总线标准(PROFIBUS)这些协议基于开放系统互连(OSI)七层通信体系结构模型。
PPI和MPI 协议被执行于一个按照欧洲标准EN 50170中符合现场总线标准(PROFIBUS)的令牌环网。
这些协议是异步的,有一个基于字符的起始位，八个数据位、偶同位且有一个终止位。
串口通信取决于特殊的开始且结束于字符、来源和终点站地址,框架长度和数据完整性的校验。
这三个协议在网络中可以运行，同时不会相互干扰只要他们的波特率是一样的。
PROFIBUS网络使用标准的RS-485双绞线电缆。
这允许多达32个设备网络段连接在一起。
网络段可以长达1200米(3,936英尺),这取决于波特率。
为了允许更多的设备存在于一个网络上和更大的电缆长度，网络段可以和中继器相连接。
网络可长达9,600米(31,488英尺)，多达9个中继器(根据波特率)。
(见表7)。
关于EM 277 PROFIBUS-DP模块的更多信息,看附录A中产品的规格。
外文翻译格式示范
重庆科技学院学生毕业设计（论文）外文译文学院建筑工程学院专业班级土木应08(3)学生姓名谭梳琪学号2008540402译文要求1.外文翻译必须使用签字笔，手工工整书写，或用A4纸打印。
2.所选的原文不少于10000印刷字符，其内容必须与课题或专业方向紧密相关，由指导教师提供，并注明详细出处。
3.外文翻译书文本后附原文（或复印件）。
外文原文出自：R.帕克、T.波利编著的《钢筋混凝土结构》中的417-423页7.4 有腹筋钢筋混凝土梁的抗剪机理7.4.1腹筋的作用梁内有了像箍筋这样的腹筋之后，不会从根本上改变前面所描述的抗剪机理。
作为梁作用的主要元件的混凝土悬臂这时将像被拉住的悬臂那样工作。
除去有骨料咬合、销栓和悬臂的弯曲作用所联合承担的粘结力ΔT之外，还有一部分粘结力ΔT′能够由习惯上所说的“桁架作用”来承担。
在这个桁架中，悬臂起斜向压杆的作用（见图7.14）。
图7.14 起斜压杆作用的混凝土悬臂箍筋的存在在其他许多方面对梁作用也是有益的，它通过以下方式对抗剪机构的强度发挥作用：1.改进销栓作用。
箍筋能够有效地支承在它附近与弯剪裂缝相交的纵向钢筋。
2.通过桁架作用产生的斜压力C d抵消悬臂块体内的弯曲拉应力。
3.限制斜裂缝在弹性范围内的张开程度，从而使由骨料咬合作用传递的剪力得以维持和增强。
4.当箍筋布置得足够密时，能对混凝土提供约束，从而特别是在受拱作用影响的部位提高其抗压强度。
5.当在锚固区内由于销栓力和锚固力的作用而形成劈裂裂缝时，能防止粘结遭到破坏。
总之，可以说，做了适当的细部设计的腹筋将能保持梁的整体性，并因而能够保持前面已经详述的梁机构的强度V e，从而使更多的建立V s能由桁架机构来承担。
7.4.2桁架机构一个平行弦桁架与一个有腹筋混凝土梁之间在抗剪作用方面的相似性是混凝土结构的一个古老的概念。
这种由Morsch[7.2.23]在本世纪初所假定的相似性的含义是，等效桁架的腹杆是由起拉杆作用的箍筋和走向平行于斜裂缝的、通常是与梁轴成45°角的混凝土压杆所组成的。
毕业设计(论文)外文资料翻译(学生用)
毕业设计外文资料翻译学院：信息科学与工程学院专业：软件工程姓名： XXXXX学号： XXXXXXXXX外文出处： Think In Java (用外文写)附件： 1.外文资料翻译译文；2.外文原文。
附件1：外文资料翻译译文网络编程历史上的网络编程都倾向于困难、复杂，而且极易出错。
程序员必须掌握与网络有关的大量细节，有时甚至要对硬件有深刻的认识。
一般地，我们需要理解连网协议中不同的“层”（Layer）。
而且对于每个连网库，一般都包含了数量众多的函数，分别涉及信息块的连接、打包和拆包；这些块的来回运输；以及握手等等。
这是一项令人痛苦的工作。
但是，连网本身的概念并不是很难。
我们想获得位于其他地方某台机器上的信息，并把它们移到这儿；或者相反。
这与读写文件非常相似，只是文件存在于远程机器上，而且远程机器有权决定如何处理我们请求或者发送的数据。
Java最出色的一个地方就是它的“无痛苦连网”概念。
有关连网的基层细节已被尽可能地提取出去，并隐藏在JVM以及Java的本机安装系统里进行控制。
我们使用的编程模型是一个文件的模型；事实上，网络连接（一个“套接字”）已被封装到系统对象里，所以可象对其他数据流那样采用同样的方法调用。
除此以外，在我们处理另一个连网问题——同时控制多个网络连接——的时候，Java内建的多线程机制也是十分方便的。
本章将用一系列易懂的例子解释Java的连网支持。
15.1 机器的标识当然，为了分辨来自别处的一台机器，以及为了保证自己连接的是希望的那台机器，必须有一种机制能独一无二地标识出网络内的每台机器。
早期网络只解决了如何在本地网络环境中为机器提供唯一的名字。
但Java面向的是整个因特网，这要求用一种机制对来自世界各地的机器进行标识。
为达到这个目的，我们采用了IP（互联网地址）的概念。
IP以两种形式存在着：(1) 大家最熟悉的DNS（域名服务）形式。
我自己的域名是。
所以假定我在自己的域内有一台名为Opus的计算机，它的域名就可以是。
超详细外文翻译模板及写法
XX学院毕业论文（设计）外文翻译撰写格式规范一、外文翻译形式要求1、要求本科生毕业论文（设计）外文翻译部分的外文字符不少于1.5万字, 每篇外文文献翻译的中文字数要求达到2000字以上，一般以2000~3000字左右为宜。
2、翻译的外文文献应主要选自学术期刊、学术会议的文章、有关著作及其他相关材料，应与毕业论文（设计）主题相关，并作为外文参考文献列入毕业论文（设计）的参考文献。
3、外文翻译应包括外文文献原文和译文，译文要符合外文格式规范和翻译习惯。
二、打印格式XX学院毕业论文（设计）外文翻译打印纸张统一用A4复印纸，页面设置：上：2.8；下：2.6；左：3.0；右：2.6；页眉：1.5；页脚：1.75。
段落格式为：1.5倍行距，段前、段后均为0磅。
页脚设置为：插入页码，居中。
具体格式见下页温馨提示：正式提交“XX学院毕业论文（设计）外文翻译”时请删除本文本中说明性的文字部分（红字部分）。
XX学院毕业论文（设计）外文翻译题目：系别：服装与艺术设计系专业：班级：学号：学生姓名：一、外文原文见附件（文件名：12位学号+学生姓名+3外文原文．文件扩展名）。
二、翻译文章翻译文章题目（黑体小三号，1.5倍行距，居中）作者（用原文，不需翻译，Times New Roman五号，加粗，1.5倍行距，居中）工作单位（用原文，不需翻译，Times New Roman五号，1.5倍行距，居中）摘要：由于消费者的需求和汽车市场竞争力的提高，汽车检测标准越来越高。
现在车辆生产必须长于之前的时间并允许更高的价格进行连续转售……。
(内容采用宋体五号，1.5倍行距)关键词：汽车产业纺织品，测试，控制，标准，材料的耐用性1 导言（一级标题，黑体五号，1.5倍行距，顶格）缩进两个字符，文本主体内容采用宋体（五号），1.5倍行距参考文献（一级标题，黑体五号， 1.5倍行距，顶格）略（参考文献不需翻译，可省略）资料来源：AUTEX Research Journal, Vol. 5, No3, September 2008*****译****校（另起一页）三、指导教师评语***同学是否能按时完成外文翻译工作。
毕业设计(论文)外文资料翻译【范本模板】
南京理工大学紫金学院毕业设计（论文）外文资料翻译系：机械系专业：车辆工程专业姓名:宋磊春学号:070102234外文出处：EDU_E_CAT_VBA_FF_V5R9(用外文写)附件：1。
外文资料翻译译文；2.外文原文.附件1：外文资料翻译译文CATIA V5 的自动化CATIA V5的自动化和脚本：在NT 和Unix上：脚本允许你用宏指令以非常简单的方式计划CATIA。
CATIA 使用在MS –VBScript中(V5.x中在NT和UNIX3。
0 )的共用部分来使得在两个平台上运行相同的宏。
在NT 平台上：自动化允许CATIA像Word/Excel或者Visual Basic程序那样与其他外用分享目标。
ATIA 能使用Word/Excel对象就像Word/Excel能使用CATIA 对象。
在Unix 平台上:CATIA将来的版本将允许从Java分享它的对象。
这将提供在Unix 和NT 之间的一个完美兼容。
CATIA V5 自动化：介绍（仅限NT）自动化允许在几个进程之间的联系:CATIA V5 在NT 上：接口COM：Visual Basic 脚本(对宏来说)，Visual Basic 为应用（适合前:Word/Excel )，Visual Basic。
COM（零部件目标模型)是“微软“标准于几个应用程序之间的共享对象。
Automation 是一种“微软“技术,它使用一种解释环境中的COM对象。
ActiveX 组成部分是“微软“标准于几个应用程序之间的共享对象,即使在解释环境里。
OLE（对象的链接与嵌入）意思是资料可以在一个其他应用OLE的资料里连结并且可以被编辑的方法(在适当的位置编辑）.在VBScript,VBA和Visual Basic之间的差别：Visual Basic(VB）是全部的版本。
它能产生独立的计划,它也能建立ActiveX 和服务器。
它可以被编辑。
VB中提供了一个补充文件名为“在线丛书“(VB的5。
毕业设计中英文翻译封皮格式及装订顺序
毕业设计中英文翻译学生姓名： 学号： 学专 指导教师：年 月（小二号居中）三号楷体 三号楷体 三号楷体1．×××××××（一级标题用小3号黑体，加粗，并留出上0.5行，段后0.5行）（作为文章2级标题，用小4号黑体，加粗）×××××××××（小4号宋体）××××××…………1.1.1 ××××（作为正文3级标题，用小4号黑体，不加粗）×××××××××（小4号宋体，行距1.5倍）×××××××××××××××××××××××××××………装订顺序：1、英文文章2、中文翻译外文翻译译文题目一种自动化夹具设计方法原稿题目A Clamping Design Approach for Automated Fixture Design原稿出处Int J Adv Manuf Technol (2001) 18:784–789一种自动化夹具设计方法塞西尔美国，拉斯克鲁塞斯，新墨西哥州立大学，，工业工程系，虚拟企业工程实验室（VEEL）在这片论文里，描述了一种新的计算机辅助夹具设计方法。
对于一个给定的工件，这种夹具设计方法包含了识别加紧表面和夹紧位置点。
通过使用一种定位设计方法去夹紧和支撑工件，并且当机器正在运行的时候，可以根据刀具来正确定位工件。
外文翻译格式及规范
嘉兴学院毕业论文（设计）外文翻译撰写格式规范一、外文翻译形式要求1、要求本科生毕业论文（设计）外文翻译部分的外文字符不少于1.5万字, 每篇外文文献翻译的中文字数要求达到2000字以上，一般以2000~3000字左右为宜。
2、翻译的外文文献应主要选自学术期刊、学术会议的文章、有关著作及其他相关材料，应与毕业论文（设计）主题相关，并作为外文参考文献列入毕业论文（设计）的参考文献。
3、外文翻译应包括外文文献原文和译文，译文要符合外文格式规范和翻译习惯。
二、打印格式嘉兴学院毕业论文（设计）外文翻译打印纸张统一用A4复印纸，页面设置：上：2.8；下：2.6；左：3.0；右：2.6；页眉：1.5；页脚：1.75。
段落格式为：1.5倍行距，段前、段后均为0磅。
页脚设置为：插入页码，居中。
具体格式见下页温馨提示：正式提交“嘉兴学院毕业论文（设计）外文翻译”时请删除本文本中说明性的文字部分（红字部分）。
嘉兴学院本科毕业论文（设计）外文翻译题目：（指毕业论文题目）学院名称：服装与艺术设计学院专业班级：楷体小四学生姓名：楷体小四一、外文原文见附件（文件名：12位学号+学生姓名+3外文原文．文件扩展名）。
二、翻译文章翻译文章题目（黑体小三号，1.5倍行距，居中）作者（用原文，不需翻译，Times New Roman五号，加粗，1.5倍行距，居中）工作单位（用原文，不需翻译，Times New Roman五号，1.5倍行距，居中）摘要：由于消费者的需求和汽车市场竞争力的提高，汽车检测标准越来越高。
现在车辆生产必须长于之前的时间并允许更高的价格进行连续转售……。
(内容采用宋体五号，1.5倍行距)关键词：汽车产业纺织品，测试，控制，标准，材料的耐用性1 导言（一级标题，黑体五号，1.5倍行距，顶格）缩进两个字符，文本主体内容采用宋体（五号），1.5倍行距参考文献（一级标题，黑体五号， 1.5倍行距，顶格）略（参考文献不需翻译，可省略）资料来源：AUTEX Research Journal, V ol. 5, No3, September 2008*****译****校（另起一页）三、指导教师评语***同学是否能按时完成外文翻译工作。
毕业设计外文文献翻译【范本模板】
毕业设计（论文)外文资料翻译系别：专业：班级:姓名：学号:外文出处:附件： 1. 原文; 2。
译文2013年03月附件一：A Rapidly Deployable Manipulator SystemChristiaan J。
J。
Paredis, H. Benjamin Brown，Pradeep K. KhoslaAbstract:A rapidly deployable manipulator system combines the flexibility of reconfigurable modular hardware with modular programming tools，allowing the user to rapidly create a manipulator which is custom-tailored for a given task. This article describes two main aspects of such a system，namely，the Reconfigurable Modular Manipulator System （RMMS)hardware and the corresponding control software。
1 IntroductionRobot manipulators can be easily reprogrammed to perform different tasks, yet the range of tasks that can be performed by a manipulator is limited by mechanicalstructure。
Forexample，a manipulator well-suited for precise movement across the top of a table would probably no be capable of lifting heavy objects in the vertical direction. Therefore，to perform a given task,one needs to choose a manipulator with an appropriate mechanical structure.We propose the concept of a rapidly deployable manipulator system to address the above mentioned shortcomings of fixed configuration manipulators。
毕业设计(论文)外文资料及译文(模板)
大连东软信息学院
毕业设计（论文）外文资料及译文
系所：
专业：
班级：
姓名：
学号：
大连东软信息学院
Dalian Neusoft University of Information
外文资料和译文格式要求
一、装订要求
1、外文资料原文（复印或打印）在前、译文在后、最后为指导教师评定成绩。
2、译文必须采用计算机输入、打印。
3、A4幅面打印，于左侧装订。
二、撰写要求
1、外文文献内容与所选课题相关。
2、本科学生译文汉字字数不少于4000字，高职学生译文汉字字数不少于2000字。
三、格式要求
1、译文字号：中文小四号宋体，英文小四号“Times New Roman”字型，全文统一，首行缩进2个中文字符，1.5倍行距。
2、译文页码：页码用阿拉伯数字连续编页，字体采用“Times New Roman”字体，字号小五，页底居中。
3、译文页眉：眉体使用单线，页眉说明五号宋体，居中“大连东软信息学院本科毕业设计（论文）译文”。
大连东软信息学院毕业设计（论文）译文
大连东软信息学院毕业设计（论文）译文
大连东软信息学院毕业设计（论文）译文
大连东软信息学院毕业设计（论文）译文
大连东软信息学院毕业设计（论文）译文。
毕业设计英文 翻译(原文)
编号：毕业设计(论文)外文翻译（原文）院（系）：桂林电子科技大学专业：电子信息工程学生姓名： xx学号： xxxxxxxxxxxxx 指导教师单位：桂林电子科技大学姓名： xxxx职称： xx2014年x月xx日Timing on and off power supplyusesThe switching power supply products are widely used in industrial automation and control, military equipment, scientific equipment, LED lighting, industrial equipment,communications equipment,electrical equipment,instrumentation, medical equipment, semiconductor cooling and heating, air purifiers, electronic refrigerator, LCD monitor, LED lighting, communications equipment, audio-visual products, security, computer chassis, digital products and equipment and other fields.IntroductionWith the rapid development of power electronics technology, power electronics equipment and people's work, the relationship of life become increasingly close, and electronic equipment without reliable power, into the 1980s, computer power and the full realization of the switching power supply, the first to complete the computer Power new generation to enter the switching power supply in the 1990s have entered into a variety of electronic, electrical devices, program-controlled switchboards, communications, electronic testing equipment power control equipment, power supply, etc. have been widely used in switching power supply, but also to promote the rapid development of the switching power supply technology .Switching power supply is the use of modern power electronics technology to control the ratio of the switching transistor to turn on and off to maintain a stable output voltage power supply, switching power supply is generally controlled by pulse width modulation (PWM) ICs and switching devices (MOSFET, BJT) composition. Switching power supply and linear power compared to both the cost and growth with the increase of output power, but the two different growth rates. A power point, linear power supply costs, but higher than the switching power supply. With the development of power electronics technology and innovation, making the switching power supply technology to continue to innovate, the turning points of this cost is increasingly move to the low output power side, the switching power supply provides a broad space for development.The direction of its development is the high-frequency switching power supply, high frequency switching power supply miniaturization, and switching power supply into a wider range of application areas, especially in high-tech fields, and promote the miniaturization of high-tech products, light of. In addition, the development and application of the switching power supply in terms of energy conservation, resource conservation and environmental protection are of great significance.classificationModern switching power supply, there are two: one is the DC switching power supply; the other is the AC switching power supply. Introduces only DC switching power supply and its function is poor power quality of the original eco-power (coarse) - such as mains power or battery power, converted to meet the equipment requirements of high-quality DC voltage (Varitronix) . The core of the DC switching power supply DC / DC converter. DC switching power supply classification is dependent on the classification of DC / DC converter. In other words, the classification of the classification of the DC switching power supply and DC/DC converter is the classification of essentially the same, the DC / DC converter is basically a classification of the DC switching power supply.DC /DC converter between the input and output electrical isolation can be divided into two categories: one is isolated called isolated DC/DC converter; the other is not isolated as non-isolated DC / DC converter.Isolated DC / DC converter can also be classified by the number of active power devices. The single tube of DC / DC converter Forward (Forward), Feedback (Feedback) two. The double-barreled double-barreled DC/ DC converter Forward (Double Transistor Forward Converter), twin-tube feedback (Double Transistor Feedback Converter), Push-Pull (Push the Pull Converter) and half-bridge (Half-Bridge Converter) four. Four DC / DC converter is the full-bridge DC / DC converter (Full-Bridge Converter).Non-isolated DC / DC converter, according to the number of active power devices can be divided into single-tube, double pipe, and four three categories. Single tube to a total of six of the DC / DC converter, step-down (Buck) DC / DC converter, step-up (Boost) DC / DC converters, DC / DC converter, boost buck (Buck Boost) device of Cuk the DC / DC converter, the Zeta DC / DC converter and SEPIC, the DC / DC converter. DC / DC converters, the Buck and Boost type DC / DC converter is the basic buck-boost of Cuk, Zeta, SEPIC, type DC / DC converter is derived from a single tube in this six. The twin-tube cascaded double-barreled boost (buck-boost) DC / DC converter DC / DC converter. Four DC / DC converter is used, the full-bridge DC / DC converter (Full-Bridge Converter).Isolated DC / DC converter input and output electrical isolation is usually transformer to achieve the function of the transformer has a transformer, so conducive to the expansion of the converter output range of applications, but also easy to achieve different voltage output , or a variety of the same voltage output.Power switch voltage and current rating, the converter's output power is usually proportional to the number of switch. The more the number of switch, the greater the output power of the DC / DC converter, four type than the two output power is twice as large,single-tube output power of only four 1/4.A combination of non-isolated converters and isolated converters can be a single converter does not have their own characteristics. Energy transmission points, one-way transmission and two-way transmission of two DC / DC converter. DC / DC converter with bi-directional transmission function, either side of the transmission power from the power of lateral load power from the load-lateral side of the transmission power.DC / DC converter can be divided into self-excited and separately controlled. With the positive feedback signal converter to switch to self-sustaining periodic switching converter, called self-excited converter, such as the the Luo Yeer (Royer,) converter is a typical push-pull self-oscillating converter. Controlled DC / DC converter switching device control signal is generated by specialized external control circuit.the switching power supply.People in the field of switching power supply technology side of the development of power electronic devices, while the development of the switching inverter technology, the two promote each other to promote the switching power supply annual growth rate of more than two digits toward the light, small, thin, low-noise, high reliability, the direction of development of anti-jamming. Switching power supply can be divided into AC / DC and DC / DC two categories, AC / AC DC / AC, such as inverters, DC / DC converter is now modular design technology and production processes at home and abroad have already matured and standardization, and has been recognized by the user, but AC / DC modular, its own characteristics make the modular process, encounter more complex technology and manufacturing process. Hereinafter to illustrate the structure and characteristics of the two types of switching power supply.Self-excited: no external signal source can be self-oscillation, completely self-excited to see it as feedback oscillation circuit of a transformer.Separate excitation: entirely dependent on external sustain oscillations, excited used widely in practical applications. According to the excitation signal structure classification; can be divided into pulse-width-modulated and pulse amplitude modulated two pulse width modulated control the width of the signal is frequency, pulse amplitude modulation control signal amplitude between the same effect are the oscillation frequency to maintain within a certain range to achieve the effect of voltage stability. The winding of the transformer can generally be divided into three types, one group is involved in the oscillation of the primary winding, a group of sustained oscillations in the feedback winding, there is a group of load winding. Such as Shanghai is used in household appliances art technological production of switching power supply, 220V AC bridge rectifier, changing to about 300V DC filter added tothe collector of the switch into the transformer for high frequency oscillation, the feedback winding feedback to the base to maintain the circuit oscillating load winding induction signal, the DC voltage by the rectifier, filter, regulator to provide power to the load. Load winding to provide power at the same time, take up the ability to voltage stability, the principle is the voltage output circuit connected to a voltage sampling device to monitor the output voltage changes, and timely feedback to the oscillator circuit to adjust the oscillation frequency, so as to achieve stable voltage purposes, in order to avoid the interference of the circuit, the feedback voltage back to the oscillator circuit with optocoupler isolation.technology developmentsThe high-frequency switching power supply is the direction of its development, high-frequency switching power supply miniaturization, and switching power supply into the broader field of application, especially in high-tech fields, and promote the development and advancement of the switching power supply, an annual more than two-digit growth rate toward the light, small, thin, low noise, high reliability, the direction of the anti-jamming. Switching power supply can be divided into AC / DC and DC / DC two categories, the DC / DC converter is now modular design technology and production processes at home and abroad have already matured and standardized, and has been recognized by the user, but modular AC / DC, because of its own characteristics makes the modular process, encounter more complex technology and manufacturing process. In addition, the development and application of the switching power supply in terms of energy conservation, resource conservation and environmental protection are of great significance.The switching power supply applications in power electronic devices as diodes, IGBT and MOSFET.SCR switching power supply input rectifier circuit and soft start circuit, a small amount of applications, the GTR drive difficult, low switching frequency, gradually replace the IGBT and MOSFET.Direction of development of the switching power supply is a high-frequency, high reliability, low power, low noise, jamming and modular. Small, thin, and the key technology is the high frequency switching power supply light, so foreign major switching power supply manufacturers have committed to synchronize the development of new intelligent components, in particular, is to improve the secondary rectifier loss, and the power of iron Oxygen materials to increase scientific and technological innovation in order to improve the magnetic properties of high frequency and large magnetic flux density (Bs), and capacitor miniaturization is a key technology. SMT technology allows the switching power supply has made considerable progress, the arrangement of the components in the circuit board on bothsides, to ensure that the light of the switching power supply, a small, thin. High-frequency switching power supply is bound to the traditional PWM switching technology innovation, realization of ZVS, ZCS soft-switching technology has become the mainstream technology of the switching power supply, and a substantial increase in the efficiency of the switching power supply. Indicators for high reliability, switching power supply manufacturers in the United States by reducing the operating current, reducing the junction temperature and other measures to reduce the stress of the device, greatly improve the reliability of products.Modularity is the overall trend of switching power supply, distributed power systems can be composed of modular power supply, can be designed to N +1 redundant power system, and the parallel capacity expansion. For this shortcoming of the switching power supply running noise, separate the pursuit of high frequency noise will also increase, while the use of part of the resonant converter circuit technology to achieve high frequency, in theory, but also reduce noise, but some The practical application of the resonant converter technology, there are still technical problems, it is still a lot of work in this field, so that the technology to be practical.Power electronics technology innovation, switching power supply industry has broad prospects for development. To accelerate the pace of development of the switching power supply industry in China, it must take the road of technological innovation, out of joint production and research development path with Chinese characteristics and contribute to the rapid development of China's national economy.Developments and trends of the switching power supply1955 U.S. Royer (Roger) invented the self-oscillating push-pull transistor single-transformer DC-DC converter is the beginning of the high-frequency conversion control circuit 1957 check race Jen, Sen, invented a self-oscillating push-pull dual transformers, 1964, U.S. scientists canceled frequency transformer in series the idea of switching power supply, the power supply to the size and weight of the decline in a fundamental way. 1969 increased due to the pressure of the high-power silicon transistor, diode reverse recovery time shortened and other components to improve, and finally made a 25-kHz switching power supply.At present, the switching power supply to the small, lightweight and high efficiency characteristics are widely used in a variety of computer-oriented terminal equipment, communications equipment, etc. Almost all electronic equipment is indispensable for a rapid development of today's electronic information industry power mode. Bipolar transistor made of 100kHz, 500kHz power MOS-FET made, though already the practical switching power supply is currently available on the market, but its frequency to be further improved. Toimprove the switching frequency, it is necessary to reduce the switching losses, and to reduce the switching losses, the need for high-speed switch components. However, the switching speed will be affected by the distribution of the charge stored in the inductance and capacitance, or diode circuit to produce a surge or noise. This will not only affect the surrounding electronic equipment, but also greatly reduce the reliability of the power supply itself. Which, in order to prevent the switching Kai - closed the voltage surge, RC or LC buffers can be used, and the current surge can be caused by the diode stored charge of amorphous and other core made of magnetic buffer . However, the high frequency more than 1MHz, the resonant circuit to make the switch on the voltage or current through the switch was a sine wave, which can reduce switching losses, but also to control the occurrence of surges. This switch is called the resonant switch. Of this switching power supply is active, you can, in theory, because in this way do not need to greatly improve the switching speed of the switching losses reduced to zero, and the noise is expected to become one of the high-frequency switching power supply The main ways. At present, many countries in the world are committed to several trillion Hz converter utility.the principle of IntroductionThe switching power supply of the process is quite easy to understand, linear power supplies, power transistors operating in the linear mode and linear power, the PWM switching power supply to the power transistor turns on and off state, in both states, on the power transistor V - security product is very small (conduction, low voltage, large current; shutdown, voltage, current) V oltammetric product / power device is power semiconductor devices on the loss.Compared with the linear power supply, the PWM switching power supply more efficient process is achieved by "chopping", that is cut into the amplitude of the input DC voltage equal to the input voltage amplitude of the pulse voltage. The pulse duty cycle is adjusted by the switching power supply controller. Once the input voltage is cut into the AC square wave, its amplitude through the transformer to raise or lower. Number of groups of output voltage can be increased by increasing the number of primary and secondary windings of the transformer. After the last AC waveform after the rectifier filter the DC output voltage.The main purpose of the controller is to maintain the stability of the output voltage, the course of their work is very similar to the linear form of the controller. That is the function blocks of the controller, the voltage reference and error amplifier can be designed the same as the linear regulator. Their difference lies in the error amplifier output (error voltage) in the drive before the power tube to go through a voltage / pulse-width conversion unit.Switching power supply There are two main ways of working: Forward transformand boost transformation. Although they are all part of the layout difference is small, but the course of their work vary greatly, have advantages in specific applications.the circuit schematicThe so-called switching power supply, as the name implies, is a door, a door power through a closed power to stop by, then what is the door, the switching power supply using SCR, some switch, these two component performance is similar, are relying on the base switch control pole (SCR), coupled with the pulse signal to complete the on and off, the pulse signal is half attentive to control the pole voltage increases, the switch or transistor conduction, the filter output voltage of 300V, 220V rectifier conduction, transmitted through the switching transformer secondary through the transformer to the voltage increase or decrease for each circuit work. Oscillation pulse of negative semi-attentive to the power regulator, base, or SCR control voltage lower than the original set voltage power regulator cut-off, 300V power is off, switch the transformer secondary no voltage, then each circuit The required operating voltage, depends on this secondary road rectifier filter capacitor discharge to maintain. Repeat the process until the next pulse cycle is a half weeks when the signal arrival. This switch transformer is called the high-frequency transformer, because the operating frequency is higher than the 50HZ low frequency. Then promote the pulse of the switch or SCR, which requires the oscillator circuit, we know, the transistor has a characteristic, is the base-emitter voltage is 0.65-0.7V is the zoom state, 0.7V These are the saturated hydraulic conductivity state-0.1V-0.3V in the oscillatory state, then the operating point after a good tune, to rely on the deep negative feedback to generate a negative pressure, so that the oscillating tube onset, the frequency of the oscillating tube capacitor charging and discharging of the length of time from the base to determine the oscillation frequency of the output pulse amplitude, and vice versa on the small, which determines the size of the output voltage of the power regulator. Transformer secondary output voltage regulator, usually switching transformer, single around a set of coils, the voltage at its upper end, as the reference voltage after the rectifier filter, then through the optocoupler, this benchmark voltage return to the base of the oscillating tube pole to adjust the level of the oscillation frequency, if the transformer secondary voltage is increased, the sampling coil output voltage increases, the positive feedback voltage obtained through the optocoupler is also increased, this voltage is applied oscillating tube base, so that oscillation frequency is reduced, played a stable secondary output voltage stability, too small do not have to go into detail, nor it is necessary to understand the fine, such a high-power voltage transformer by switching transmission, separated and after the class returned by sampling the voltage from the opto-coupler pass separated after class, so before the mains voltage, and after the classseparation, which is called cold plate, it is safe, transformers before power is independent, which is called switching power supply.the DC / DC conversionDC / DC converter is a fixed DC voltage transformation into a variable DC voltage, also known as the DC chopper. There are two ways of working chopper, one Ts constant pulse width modulation mode, change the ton (General), the second is the frequency modulation, the same ton to change the Ts, (easy to produce interference). Circuit by the following categories:Buck circuit - the step-down chopper, the average output voltage U0 is less than the input voltage Ui, the same polarity.Boost Circuit - step-up chopper, the average output voltage switching power supply schematic U0 is greater than the input voltage Ui, the same polarity.Buck-Boost circuit - buck or boost chopper, the output average voltage U0 is greater than or less than the input voltage Ui, the opposite polarity, the inductance transmission.Cuk circuit - a buck or boost chopper, the output average voltage U0 is greater than or less than the input voltage Ui, the opposite polarity, capacitance transmission.The above-mentioned non-isolated circuit, the isolation circuit forward circuits, feedback circuit, the half-bridge circuit, the full bridge circuit, push-pull circuit. Today's soft-switching technology makes a qualitative leap in the DC / DC the U.S. VICOR company design and manufacture a variety of ECI soft-switching DC / DC converter, the maximum output power 300W, 600W, 800W, etc., the corresponding power density (6.2 , 10,17) W/cm3 efficiency (80-90)%. A the Japanese Nemic Lambda latest using soft-switching technology, high frequency switching power supply module RM Series, its switching frequency (200 to 300) kHz, power density has reached 27W/cm3 with synchronous rectifier (MOSFETs instead of Schottky diodes ), so that the whole circuit efficiency by up to 90%.AC / DC conversionAC / DC conversion will transform AC to DC, the power flow can be bi-directional power flow by the power flow to load known as the "rectification", referred to as "active inverter power flow returned by the load power. AC / DC converter input 50/60Hz AC due must be rectified, filtered, so the volume is relatively large filter capacitor is essential, while experiencing safety standards (such as UL, CCEE, etc.) and EMC Directive restrictions (such as IEC, FCC, CSA) in the AC input side must be added to the EMC filter and use meets the safety standards of the components, thus limiting the miniaturization of the volume of AC / DC power, In addition, due to internal frequency, high voltage, current switching, making the problem difficult to solve EMC also high demands on the internal high-density mountingcircuit design, for the same reason, the high voltage, high current switch makes power supply loss increases, limiting the AC / DC converter modular process, and therefore must be used to power system optimal design method to make it work efficiency to reach a certain level of satisfaction.AC / DC conversion circuit wiring can be divided into half-wave circuit, full-wave circuit. Press the power phase can be divided into single-phase three-phase, multiphase. Can be divided into a quadrant, two quadrant, three quadrants, four-quadrant circuit work quadrant.he selection of the switching power supplySwitching power supply input on the anti-jamming performance, compared to its circuit structure characteristics (multi-level series), the input disturbances, such as surge voltage is difficult to pass on the stability of the output voltage of the technical indicators and linear power have greater advantages, the output voltage stability up to (0.5)%. Switching power supply module as an integrated power electronic devices should be selected。
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天津科技大学本科生毕业设计（论文）外文资料翻译学院：材料科学与化学工程学院专业：高分子材料与工程：阮孝顺学号：10032411指导教师（签名）：2014年3月15日基底机械附着防水体系ACC板适宜性的确认及其高风压下的强度Michal Bartko a, Hiroyuki Miyauchi a,*, Kyoji Tanaka ba忠南大学，305-764，大田，南b日本东京工业大学，226-8503，神奈川县，日本2012年9月7日收到，2013年5月9日收到修改稿，2013年5月19日接受，2013年6月19日发表【摘要】受到强风的影响，机械连接防水体系的蒸气压混凝土板（AAC）的可靠性需要验证。
通过静态和动态拉伸试验研究AAC面板紧固件的优点。
对最常用的机械和化学紧固件的优点和AAC断裂类型进行测试观察。
静态强度值介于2.0至5.0kN之间，动态强度下降围在１.5到2.2kN之间。
而且，我们创造性的应用了弹性粘合剂来代替常用的环氧树脂从而广泛的消除了ACC断裂。
我们使用专门设计和生产的恒定负载型动态测试仪，检查完整的机械连接的防水体系的特征。
我们测试了两种聚氯乙烯（PVC）卷材的类型和两种不同的卷材和圆盘连接方法。
重复实验，直到失败的次数高达100,000次，并记录在相同强度的强风下实际屋顶发生的断裂类型。
也发现了紧固件的动态强度和完全防水体系之间的关系，证明了AAC面板有足够承载力能够作为机械连接防水体系的基底，也探究出了确定紧固件最大间距的方法。
2013年爱思唯尔公司保留所有权。
【关键词】：机械连接防水体系；AAC镶基板；阻力风；静态和动态测试；断口模式；体系设计方法2013年爱思唯尔公司保留所有权。
1.前言机械连接防水体系是一种干式防水体系，有几个优势，比如不受裂缝和联合移动的影响。
该防水体系适用于多种类型的基板，安装简单容易，可以方便的修复，在技术上和经济上可行。
因此，该体系在日本和全球的使用量正在增长。
蒸压加气混凝土板（AAC板）经常被用作住宅楼屋顶基底上。
机械连接体系的目的是要为日本抵御许多台风的袭击。
从充分实现防水体系的透视性看，如图1中所示的负风压，该行为在低坡屋顶表面，是设计紧固件类型和负风压的基础。
AAC面板常用的紧固件类型如图2所示。
考虑到跟常规钢筋混泥土相比AAC板强度明显较低，已经有人注意到风应力不持久的AAC 紧固件，但在文献里还未被提到。
图1 影响防水卷材的风向图2 蒸汽压混泥土板的紧固件类型（AAC紧固件类型）这种防水体系已经被安装在许多带低坡的屋顶，但不幸的是，常造成了一些重大事故（比如AIJ,2005;RICOWI,2006,2007a,b）。
这种机械式连接体系由若干材料和部件组成，和风力载荷一起被传输至卷材，随后传送到光盘、紧固件，并最终到基板上。
对防水体系发生会发生实质性伤害。
从故障情况看，我们可以从风动态重复特征的影响确定造成的损害，而不是从静态特征。
图3总结了几种故障。
图3 机械连接屋面的可能断裂类型测量是Baskaran（Baskaran 等人进行的，1999年，2009年；baskaran，2002；Baskaran和Smith，2005年；）Gerhartd（Gerhardt and Gerbatsch ,1991年;Gerhardt 2011年；Gerhardt 2011年；Gerhardt等人，1990年；Gerhardt和Kramer1990，1992,1986），Miyauch（Miyauchi等人，2008年，2011年）和其他人（F uruichi等人，2006年；Yamble等人，2007；Silva等人，2010年；Fukuda et all，2009）通过集中在同一基板和不同类型基板上面的体系部件、低重复频率和重复测试的次数，通过观察屋顶的薄卷材鼓翼，考虑到其寿命长过多个年，需要大量重复动态试验。
在这种情形下，我们可以研究安装AAC面板的紧固件的静态和动态特性，来开发测试仪器和进行抗风试验，抗风试验的标本是由普通机械连接的防水体系相同的部分组成。
2. 紧固件和AAC基板静态拉伸试验2.1 试样制作基板，我们使用专用作低坡屋顶和由聚酰胺（PA）插头和不锈钢螺钉组成的最常用的钢丝网增强的AAC面板。
光盘作为防水体系里必不可少的一部分在这里被省略了。
基板的厚度为100mm，而直径为860mm的PA插头分别插入920mm深的预钻孔里。
螺丝是设计完成后从表面安装完后，高出表面20mm，以方便用专用夹具夹住。
化学紧固件也用相同的方法制备。
化学剂、环氧树脂在安装插头前注入到预钻孔，图4给出了测试用紧固件的安装方法。
图4 紧固件的安装方法2.2 测试参数和条件我们研究了紧固件的拉伸强度和紧固件强度方向上预钻孔直径的影响。
为了完成实验，使用英斯特朗型应力机，连着紧固件的AAC面板安装在应力机底部，螺钉通过夹具牵拉并，固定在应力机的顶端，如图5所示，测试速度为1mm/min，测试参数已经概括在表1中。
图5 静态试验装置和测试机表1静态拉伸试验参数2.3 实验结果研究极限拉伸强度和AAC基板断口。
图6给出了机械紧固件和化学紧固件之间拉伸强度的关系和对预钻孔直径的影响。
机械紧固件的一个直径8mm的基本孔的平均极限强度为2.0kN，随着直径的增加，强度降低到0，而化学紧固件的平均极限强度是经过很多测量验证过的几乎恒定的，为5kN。
图6 静态拉伸强度的结果图7 静态拉伸试验中出现的AAC断裂类型：（a）无AAC断裂的机械紧固件断裂；（b）AAC部分断裂化学紧固件断裂；（c）主要是AAC断裂的化学紧固件断裂。
图8 使用紧固件作为PA插头的半切AAC试样表2 弹性粘结试样的测试参数PA插头插头插入粘合剂硬化一周前注入到预钻孔：混合环氧树脂和弹性模量E=1.0MPa的有机硅聚合物图9 带弹性粘合剂试样的测试结果：（a）拉伸强度结果；（b）无AAC断裂的基底断裂结果AAC基板断口类型可以从图7观察到。
AAC紧固件被基板拉出，AAC基板无断口。
另外，还观察到了化学紧固件两种决然不同的AAC断口类型：一种是局部类型，一种AAC面板被彻底摧毁。
造成两种断裂类型的原因是沿一个可变插头长度方向的厚度和从尼龙插头到AAC面板最大压力的位置。
图8分析了一个较厚的插头稳定器和较厚底部的半切削试样，如图7中所示的AAC断裂图，在最远点，螺钉是决定因素：如果螺钉完全通过插头，发生的是这种断裂，然而，没有通过的螺钉在插头的稳定器部分产生最大压力，从而引起如图7b的断裂类型。
2.4 AAC面板断口消除对重新装修过的屋顶，屋面被强风破坏后，断裂的AAC面板不能再使用，而要进行维修货彻底更换，从而产生额外费用和劳动力。
理想的紧固件应具有高拉伸强度而不导致AAC面板出现断口。
在同一组实验中，我们研究了加有弹性粘合剂的化学紧固件，发现跟加入环氧树脂的化学紧固件的断口不同。
测试参数已经总结在表2中，并且测试结果如图9所示。
最后的拉伸强度值为4.0kN（图9a），AAC断口已经成功消除（图9b）。
3. 紧固件和AAC基板动态拉伸试验3.1 试样动态拉伸试验是在对试样进行完全相同的静态拉伸试验条件下进行的，即对一个100mm厚的的AAC面板和一个60mm长、8mm直径的插头和不锈钢，对机械紧固件和两种类型（环氧树脂型和弹性粘合剂型）的化学紧固件进行测试。
3.2 试验参数和条件为进行动态试验，使用液压压力机械（如图10），循环测试。
和静态试验类似，装有紧固件的AAC面板连接到液压压力机械的底部部分，并且螺钉上产生循环载荷，该循环载荷是夹具附着在装置顶部的。
图10 动态测试设置和测试机3.3 重复次数计算对于防水卷材的重复次数，需要气象站提供特殊设备和台风的统计数据，但这样分析超出了研究的围而不进行。
相反我们简化假设和计算出最大次数。
重复次数依赖于振动频率和强风的周期，能用下列公式表示：n=t×fn是重复的次数，t是强风周期，f是防水体系的振动频率。
在补充实验的基础上，鼓卷材的估计频率看作f=10Hz，为计算，假设每年发生两次台风，每一次持续12个小时，防水体系的寿命有10年，周期可以用以下公式计算：t=o×t1×t Lo是指台风一年发生的次数，t1是台风的周期，t L是防水体系的寿命（单位：年）。
在这些实验的基础上，机械连接防水体系能承受的循环次数必须等于10,000,000，并且设置第10,000,000作为最后一次，此外，因为试验次数太多，小于10Hz的频率将显著延长实验时间，测试条件和参数分别总结在了表3和表4中。
表3 动态拉伸试验的条件表4 动态拉伸试验中的参数3.4 实验结果对每一类紧固件，设置不同的最大拉伸载荷，重复进行黄庄实验，最大拉伸载荷值等于静态拉伸强度的值。
换装实验的目的是获得不同载荷下的强度曲线，还有重复测量的次数，和最终动态拉伸强度值。
图11给出了强度曲线和极限强度值。
表5给出了静态和动态强度还有相关系数的值。
图11 重复107次动态拉伸强度曲线和值表5 静态和动态拉伸强度之间的相关参数AAC断口和静态拉伸试验观察到的相同，一个简单的插件被拉出，AAC基板没受损伤，机械胶黏剂和弹性胶粘剂试样也没减少，环氧树脂标本损失也很少。
如图12所示。
图12 动态拉伸试验中出现的AAC断裂模式：（a）无AAC机械紧固件断裂；（b）环氧树脂型的AAC基板断裂；（c）无AAC基板断裂的弹性粘合剂的化学紧固件断裂。
4．防水体系的动态试验4.1 试验设备为进行防水体系的动态试验，我们设计和建立了一个样片试验装置。
为了尽可能准确的模拟实际屋顶，我们设计了一个给以恒定负载的装置，这种装置比恒定负载装置更合适。
在研究中，Miyauchi (Miyauchi等人., 2011)到了施加在紧固件上的垂直力和水平力。
考虑到卷材的使用寿命长和风向快速变化，我们不考虑水平力的影响，只考虑负压力的影响。
试验室条件下，负压力难以被气动压力抵消，负压力从下方作用于卷材，如图13所示。
负压力是通过空气压缩机压缩空气到卷材下面装有乙烯-丙烯-二烯的袋子(EPDM袋)里，然后将负压力转至防水体系组件。
图14是了乙烯-丙烯-二烯袋子。
紧固件的位置是在中心，如图15所示，空气经过乙烯软管到达一个高度适当的水压恒定装置。
通过使用由链条连接到所述马达的曲柄机构，对防水体系无动态重复得地连续施加载荷。
螺旋弹簧连接到曲柄机构，带有该螺旋弹簧的加压夹具加压到盘附近试样的卷材上，夹具下方的紧固件也受到夹具的压力，从而减轻了盘片和卷材上的负荷。
向上运动时，加压夹具和卷材被分开，负载从而由EPDM袋下方作用在紧固件、光盘和卷材上。
完整的测试设备如图16所示。