Jatco_Paper
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jaccard文本相似度算法Jaccard文本相似度算法:从原理到应用引言:在信息爆炸的时代,文本数据的处理和分析变得越来越重要。
文本相似度是文本处理领域的一个重要问题,它可以帮助我们衡量两个文本之间的相似程度。
Jaccard文本相似度算法是一种常用的文本相似度计算方法,本文将从原理到应用,对Jaccard算法进行详细介绍。
一、Jaccard文本相似度算法的原理Jaccard算法是基于集合的相似度计算方法,它的原理非常简单。
假设我们有两个文本A和B,我们可以将它们分别看作两个集合,其中每个元素表示文本中的一个词语。
Jaccard算法通过计算两个集合的交集和并集的比值,来衡量两个文本之间的相似程度。
具体来说,假设文本A的词语集合为A1,文本B的词语集合为B1,那么Jaccard相似度可以通过以下公式计算:J(A,B) = |A1∩B1| / |A1∪B1|其中,|A1∩B1|表示A1和B1的交集的大小,|A1∪B1|表示A1和B1的并集的大小。
二、Jaccard文本相似度算法的应用Jaccard算法在文本处理和信息检索领域有着广泛的应用。
1. 文本聚类文本聚类是将具有相似主题的文本分组的任务。
Jaccard算法可以用来衡量两个文本之间的相似程度,从而帮助将相似的文本聚类到一起。
通过计算所有文本之间的Jaccard相似度,可以构建一个相似度矩阵,然后使用聚类算法进行文本聚类。
2. 文本分类文本分类是将文本分到不同类别的任务。
Jaccard算法可以用来比较待分类文本与已知类别文本的相似程度,从而帮助将待分类文本分到合适的类别。
通过计算待分类文本与每个类别的Jaccard相似度,可以选择相似度最高的类别作为分类结果。
3. 文本相似度搜索文本相似度搜索是根据给定的查询文本,从文本库中找到与之相似的文本的任务。
Jaccard算法可以用来计算查询文本与文本库中文本的相似程度,从而帮助检索相似的文本。
通过计算查询文本与每个文本的Jaccard相似度,可以选择相似度高于一定阈值的文本作为搜索结果。
journal of automation and intelligence latex模板-回复首先,我们需要寻找适用于Journal of Automation and Intelligence的Latex模板。
回答这个问题,我们可以按照以下步骤进行:1. 打开互联网搜索引擎,如Google或百度,然后在搜索栏中输入“Journal of Automation and Intelligence Latex模板”。
2. 浏览搜索结果中与期刊名称和Latex模板相关的链接。
通常,与该期刊相关的网站或学术界的论坛经常会提供期刊的Latex模板。
3. 找到一个合适的链接后,点击进入该链接,浏览页面上提供下载的相关内容。
一般来说,期刊的网站会在“作者指南”或类似的页面上提供Latex 模板的下载链接。
4. 点击并下载所需的Latex模板文件,通常是一个包含了示例tex文件和相关格式文件的zip压缩包。
5. 解压缩下载的文件,并将其保存到您的工作目录中。
6. 打开tex文件,并阅读其中的注释部分,以了解如何使用模板和填充文章内容。
7. 创建一个新的tex文件,将模板中的示例内容删除,然后根据你的主题和目的开始撰写文章。
接下来,我们将按照以下步骤,在1500-2000字的篇幅内回答该主题。
1. 引言:在文章开始时,简要介绍自动化和智能领域的重要性以及Journal of Automation and Intelligence的背景和目的。
2. 自动化概述:解释自动化的定义和应用领域,例如工业自动化、交通自动化和家庭自动化等。
提供自动化技术的优势和挑战。
3. 智能概述:介绍智能系统的基本原理和应用,如人工智能、机器学习和专家系统等。
阐述智能系统在自动化领域中的作用和重要性。
4. 自动化与智能的结合:讨论自动化和智能技术结合的优势和应用实例,如智能制造、智能交通系统和智能家居等。
展示这些结合如何推动自动化领域的创新和进步。
岛津报告模板如何编辑岛津报告模板是一种常用于科学实验报告、研究论文、技术文档等文档撰写的模板,被广泛应用于各个科学领域。
本文旨在阐述如何编辑岛津报告模板。
编辑软件:LaTeXLaTeX是一种基于TeX的排版系统,被广泛应用于科技文档和学术论文的排版。
岛津报告模板是基于LaTeX系统的,因此在编辑岛津报告模板前,需要安装LaTeX编辑软件。
在Windows、MacOS、Linux系统上都可以通过官网下载LaTeX软件。
编辑方法:1. 配置模板在编辑岛津报告模板前,需要先将模板下载到本地,一般来说,可以从相关网站上下载或者通过Git等工具下载。
下载后,可以在本地使用编辑器对其进行编辑。
在LaTeX编辑器中,需要先加载岛津报告模板进行配置,一般的编辑器都有功能来进行模板的配置,这一步可以参考相关文档进行配置。
2. 编辑文档在配置好模板后,可以进入到文档的编辑界面。
需要注意的是,岛津报告模板中的内容一般都是预定义好格式的,不需要自行编写大量代码。
但是需要根据要求,按照预设格式进行填写文档内容。
在编辑文档时,需要按照以下格式填写内容:\\title{论文题目}\\author{作者姓名}\\date{日期}\\begin{document}\\maketitle% 正文内容\\end{document}在填写正文内容时,需要根据所要表达的内容,分段书写。
在每个段落开头,一般需要有一个空格作为段首缩进。
3. 添加注释在编辑文档过程中,为了方便阅读和理解,可以添加注释。
注释可以用“%”符号进行注释。
在编辑时,可以在对应代码下添加注释,使得代码更加易于理解。
4. 编译文档在编辑好文档后,需要进行编译。
一般来说,可以通过编辑器中提供的编译功能进行编译。
在编译完成后,文档将自动保存到指定的位置。
结论岛津报告模板是一种常用的科技文档模板,通过LaTeX工具的编辑,可以很方便地对其进行编辑。
按照预定格式书写文档内容,最终生成清晰、有条理的科技文档。
papertest查重报告1. 引言在现代教育体制下,学生的学术诚信问题备受关注。
学生通过抄袭他人的作品来完成论文、报告等学术任务已经成为一个普遍存在的问题。
为了确保学术诚信,许多学校和机构引入了查重工具来检测学生的作品是否存在抄袭行为。
本文将介绍一种常见的查重工具——papertest,并详细说明其使用步骤。
2. papertest简介papertest是一种常用的查重工具,它通过比较学生提交的作品与全球范围内的文献、报告等数据库进行比对,从而检测是否存在抄袭行为。
papertest可以帮助教师和学生快速准确地评估学生的学术作品的原创性和学术诚信。
3. 使用papertest的步骤3.1 创建账户首先,用户需要在papertest官方网站上创建一个账户。
在创建账户过程中,用户需要提供有效的个人信息,如姓名、学号等。
这些信息将用于将用户与其作品进行关联。
3.2 上传作品创建账户后,用户可以登录papertest平台。
用户需要将要进行查重的作品上传到平台上。
作品可以是论文、报告、作文等。
3.3 选择查重设置在上传作品后,用户可以根据自己的需要选择不同的查重设置。
papertest提供了多种查重模式,用户可以根据作品的性质和要求选择适合的模式。
例如,用户可以选择全文比对模式,即将作品与全球范围内的文献数据库进行全文比对;也可以选择局部比对模式,即只对作品中的某些部分进行比对。
3.4 等待查重结果在选择好查重设置后,用户需要等待一段时间来获取查重结果。
查重时间的长短取决于作品的长度和查重模式的选择。
一般来说,全文比对模式的查重时间更长,因为需要与全球范围内的大量文献进行比对。
3.5 查看查重报告当查重结果生成后,用户可以在papertest平台上查看查重报告。
查重报告将详细列出作品中与外部数据库相似的部分,并给出相似度的百分比。
用户可以根据查重报告来评估作品的原创性和学术诚信。
4. 使用papertest的优势papertest作为一种常见的查重工具,具有以下优势:•精准度高:papertest可以与全球范围内的大量文献进行比对,从而提高了查重的精准度。
英语作文查重复率的软件In recent years, with the widespread use of the internet, plagiarism has become a common problem in academic writing. To tackle this issue, many plagiarism checking software have been developed, which can help writers to detect and eliminate any copied content in their work.One of the most popular plagiarism checking software is Turnitin. This tool is widely used in universities and colleges to check the originality of students' work. It compares the text of the submitted work with a vast database of academic and online sources to identify any similarities. The software then generates a report highlighting the percentage of copied content and the sources from where it has been taken.Another popular plagiarism checking software is Grammarly. It is a comprehensive writing assistant toolthat not only checks for plagiarism but also providessuggestions for grammar, spelling, and punctuation errors. It can be used for academic writing, business writing, and personal writing.PlagScan is another software that is widely used for checking plagiarism. It is a cloud-based tool that compares the submitted work with a large database of academic and online sources. It provides a detailed report highlighting the percentage of copied content and the sources from where it has been taken. It also provides suggestions for improving the quality of the writing.Apart from these, there are many other plagiarism checking software available in the market, such as Copyscape, Quetext, and DupliChecker. All these tools have their unique features and are widely used by writers to ensure the originality of their work.In conclusion, plagiarism is a serious issue in academic writing, and it is essential to use plagiarism checking software to ensure the originality of the work. The software not only helps to detect copied content butalso provides suggestions for improving the quality of the writing. Therefore, it is highly recommended for writers to use plagiarism checking software to maintain the integrity of their work.。
改进自适应蚁群算法求解集装箱装我瓦楞纸板问题高林,姜旭辉,朱庆港(青岛科技大学自动化与电子工程学院,山东青岛266061)摘要:集装箱装载瓦楞纸板问题是一个复杂组合优化问题,针对该问题,在满足基本的装载要求和约束条件下,充分利用自适应蚁群算法的强搜索能力和启发式算法对具体问题的针对性,将自适应蚁群算法和启发式算法结合,提出一种改进的自适应蚁群算法,求解出了最优装载方案。
对纸板装载问题建立模型,提出目标函数并给出约束条件;根据实际情况提出启发式规则,将其与自适应蚁群算法进行结合;使用实例进行仿真验证。
将仿真结果与实际情况进行对比,装载体积率明显提高,证明了该算法能够提高瓦楞纸板装载空间利用率,节省了人力,大大提高了工作效率。
关键词:瓦楞纸板;集装箱装载;组合优化;自适应蚁群算法;启发式算法中图分类号:TP391.9文献标识码:A文章编号#1000-0682(2021)01-0117-06 Improvee adaptive ant colony algorthm for container loading co^^dgaten boar problemGAO LW,JIANG Xuhui,ZHU Qinggang(College pO Automatwri and Electronical Engine P ng,Qingdao University of Science and TecCnology,Shandong Qingdao266061,China# Abstract:The problem of container loading corogated board is a complex combinatoFal optimization peobeem.Aomongatthospeobeem,undeethebasooeoadongeequoeementsand oonsteaonts,thospapeemakes tu e useotthesteongseaeohongaboeotsotadaptoveantooeonsaegoeothm and heueostooaegoeothm ostaegeted bonongtheantooeonsaegoeothm woth the heu eost ooa ego eothm,an ompeoved adap-toveantooeonsaegoeothm ospeoposed tosoevetheoptomaeeoadongsoheme.Mode e ongtheoaedboaed eoad-ing problem,propose the objective function and give constraints,heuFstic oles are proposed according to thMaotuaesotuatoon and oombonMd woth thMadapt ovMant oo eon sa ego eothm,usMthMMaamp e toesomueatoon vMeo tooat oon.ThMs omu eat oon esuetsae oompaeMd woth thMaotuaesotuatoon and thMeoadongvoeumMeat showsasognotooantompeovMmMnt,whooh p eovMs that thMa ego eothm oan ompeovMthMutoeoaatoon otoo e u gatd boaed eoadongspaoM,savMmanpowMeand geatesompeovMwoek M t ooonos.Keyworis:corogated board;container loading;combinatoFal optimization;adaptive ant colony algorithm;heuFstic algorithm0引言在当前的物流行业中,由于瓦楞纸箱的强度高、收稿日期#2019-10-10基金项目:山东省自然科学基金(ZR2014FL018);青岛科技大学博士科研基金(010022530);教育部产学合作协同育人项目(施耐德公司,2018第一批)作者简介:高林(1976),男,黑龙江密山市人,副教授"博士后,研究生导师,主要研究方向为大数据技术和工业互联网)E-mail:gaolin0619@126-com 成本低、环保性强,所以瓦楞纸箱已经成为物流行业不可或缺的一部分。
jpridemodeljanc说明书【最新版】目录1.JPrideModelJanc 说明书概述2.JPrideModelJanc 的功能介绍3.使用 JPrideModelJanc 的注意事项4.JPrideModelJanc 的适用人群5.JPrideModelJanc 的保养维护正文【JPrideModelJanc 说明书概述】JPrideModelJanc 是一款先进的知识类写作助手,其主要功能是根据用户提供的文本,帮助用户编写文章。
本说明书旨在详细介绍JPrideModelJanc 的功能和使用方法,帮助用户更好地利用这一工具进行高效的写作。
【JPrideModelJanc 的功能介绍】1.文本分析:JPrideModelJanc 能够对用户提供的文本进行深入分析,挖掘文本的主题、关键词和关键信息。
2.提纲生成:根据文本分析结果,JPrideModelJanc 能够智能生成文章提纲,帮助用户快速梳理文章结构。
3.文章撰写:JPrideModelJanc 可以根据生成的提纲,自动撰写文章,大大提高用户的写作效率。
4.语言润色:JPrideModelJanc 具有语言润色功能,可以对生成的文章进行语法、拼写和用词的检查与修正。
5.个性化定制:JPrideModelJanc 支持用户自定义语言风格、写作语气等,满足不同用户的个性化需求。
【使用 JPrideModelJanc 的注意事项】1.确保输入文本的准确性和完整性,以便 JPrideModelJanc 能够生成准确的提纲和文章。
2.在使用 JPrideModelJanc 进行文章撰写时,请留意生成的文章是否符合您的需求,如有需要,可对生成的文章进行进一步的修改和完善。
3.JPrideModelJanc 的训练数据有截止时间,有关近期的新闻、事件或知识,可能无法准确反映。
【JPrideModelJanc 的适用人群】JPrideModelJanc 适用于各类知识类写作场景,如学术论文、报告、新闻报道、博客文章等,尤其适合需要高效写作的用户。
江苏省硕士学位论文封面(2018/2019 学年)培养单位编号:二级学科名称:二级学科代码:论文研究方向:申请学位类别:学位论文题目:研究生编号:江苏省教育评估院制摘要本论文主要内容是基于本高校的论文格式要求,利用论文排版机器人PaperYes 的人工智能引擎排版出来的论文模板。
各位同学可以通过此模板撰写论文,只需将自己撰写的论文内容填充到相应的标题下面就可以了,帮助同学们解决论文排版的困扰。
如果有的同学不会用此模板编辑论文,可以选择PaperYes论文排版,根据您所在高校的格式要求,自动生成目录和页眉页脚,解决奇偶页难题,智能编排标题、图、表和公式,适配字体字号和段落等,10秒搞定,安全高效。
关键词:论文排版;机器人;PaperYes;论文模板ABSTRACTThe main content of this paper is based on the requirement of paper format in our university, using the artificial intelligence engine of PaperYes, a paper typesetting robot, to compose the paper template. Students can use this template to write papers, just fill the content of the papers under the corresponding headings, to help students solve the problem of paper typesetting. If some students do not use this template to edit papers, you can choose PaperYes paper typesetting. According to the format requirements of your university, automatically generate directories and headers and footers, solve the odd and even page problems, intelligently arrange titles, graphs, tables and formulas, and adapt font size and paragraph, etc., 10 seconds to complete, safe and efficient.Key words:PaperYes;Layout Technology;AIrtificial Intelligence; Research; Based on;目录摘要 (I)ABSTRACT (II)注释表 ................................................................................................................................. I V 第一章绪论 . (1)第二章排版算法 (2)2.1 关于目录修改后的排版技巧 (2)2.1.1 关于目录的制作和修改 (2)2.1.2 此处为三级标题 (2)2.2 关于图片、表格、公式的解决 (3)2.2.1 表格的样式 (3)2.2.2 此处为三级标题 (4)2.3 页眉和页码的设置 (4)2.4 脚注和参考文献上标 (4)2.4.1 脚注和参考文献上标范例 (4)2.4.2 此处为三级标题 (5)第三章PaperYes论文一键排版的概念 (6)3.1 一键排版的概念 (6)3.1.1 此处为三级标题 (6)3.1.2 此处为三级标题 (6)3.2 一键排版的概念 (6)3.2.1 此处为三级标题 (7)3.2.2 此处为三级标题 (7)第四章总结 (8)参考文献 (9)致谢 (10)附录 (11)注释表AI Artificial Intelligence,人工智能,滤波器组多载波CERNET The China Education and Research Netword,中国教育研究网,滤波器组多载波NLG Natural Language Generation,自然语言生成,滤波器组多载波NLP Natural Language Processing,自然语言处理,滤波器组多载波GNMT Google Neural Machine Translation,谷歌神经机器翻译,滤波器组多载波第一章绪论本论文主要内容是基于本高校的论文格式要求,利用论文排版机器人PaperYes 的人工智能引擎排版出来的论文模板。
解释学术论文中的数学公式是一个重要的功能,因为数学公式常常是论文的核心内容之一,但对于非数学专业的读者可能会难以理解。
以下是一些可能包括在"readpaper"或类似工具中的公式解释功能的示例:
公式渲染和显示:工具可以正确地渲染和显示论文中的数学公式,确保它们在屏幕上或打印出来时保持清晰和易于阅读。
公式标注和注释:用户可以添加标注和注释,以解释公式的不同部分或提供上下文信息。
这有助于读者更好地理解公式的含义。
公式翻译:工具可以提供对数学公式的简单翻译或解释,将数学符号转化为自然语言描述,使非数学专业的读者更容易理解。
公式交互式探索:工具可能允许用户交互式地探索数学公式,例如,用户可以点击公式的不同部分以查看相应的解释或示例。
公式相关文献链接:工具可以提供有关公式背后理论的链接,以便读者可以深入研究相关文献。
公式高亮和定位:工具可能支持高亮和定位特定公式,以便读者可以在文档中轻松找到相关内容。
这些功能有助于提高学术论文的可读性和理解度,特别是对于非专业领域的读者。
不同的"readpaper"工具可能会提供不同程度的公式解释功能,具体功能取决于工具的设计和用途。
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(2014). “Continuum shell model for buckling of single-walled carbon nanotubes with different chiral angles,” International Journal of Structural Stability and Dynamics, 14(4), 1450006.9.Challamel, N., Lerbet, J., Wang, C.M. and Zhang, Z. (2014). “Analytical length scale calibration ofnonlocal continuum from a microstructured buckling model,” Zeitschrift fur Angewandte Mathematik und Mechanik, 94(5), 402-413.10.Y. Yao, P. Santhana Raman, J. 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jaccard系数判定相似度的优点
Jaccard系数判定相似度的优点是:
1、精确度高:Jaccard系数考虑了两个集合中元素的完全性,反映了二
者之间元素完全相似的程度;
2、操作简便:Jaccard系数只需要计算两个集合内元素的比较;
3、可扩展性好:Jaccard系数可以用来表示向量或者文本间的相似度;
4、不受计算机环境影响:Jaccard系数只依赖于两个集合之间的关系,
不受计算机运算环境的影响;
5、结果易于理解:Jaccard系数的结果在0-1之间,可以让人容易判断
相似度程度;
6、可用于大数据处理:Jaccard系数能够更快的处理大量数据;
7、应用广泛:Jaccard系数可以应用在文本相似度计算、图像识别、社
交网络分析、病毒检测等领域;
8、算法稳定:Jaccard系数的结果不会被异常的元素影响;
总之,Jaccard系数判定相似度在应用场景广泛,结果容易理解,比较
准确,容易处理大数据,稳定性强等优点,值得我们去深入研究学习。
jaccard系数文本相似度
把网络的价值概念的概念推向极致,可以说是要从中发现Jaccard系数文本相似度。
近年来,随着互联网建设的不断发展与完善,它已经成功地融合了存储、通信、信息检索等功能,甚至繁重的视频下载和流媒体处理,已经可以在网络上进行实时操作。
Jaccard系数文本相似度,又称为Jacomb系数,是一种基本的文本相似性分析方法。
它把文本的内容比作一个数学集合,从而可以检测两篇文章之间的相似程度。
两篇文章的相似度系数越高,说明文章的内容越相似,表明作者可能受到类似的启发,有同样的创作思想和构思意图,甚至可能操刀相同的源文件等。
传统文本相似度比较方法,可以重复度法,命名实体识别,关键词提取,哈希等,在一定范围内完成了文章内容比较与分析,但还不能很好地反映词汇上的一致性。
而Jaccard系数增加了一个新的维度,它可以很好地检测文字间的相关性,反映了作者创作思想的一致性。
Jaccard系数文本相似度,借助于互联网技术,可以结合专业的自然语言处理和文本挖掘技术,计算出文本的Jaccard系数,实现了文字的无缝连接,实现了深度分析与挖掘,可以更好地促进人们对网络内容的了解和研究,从而进一步发挥高级词汇对网络价值概念全面运用的作用。
/findaid/ark:/13030/tf858005t3No online itemsRegister of the Chang Kia-ngau papersFinding aid prepared by Hoover Institution Archives Staff, revised by Yichen Jin Hoover Institution Archives434 Galvez MallStanford UniversityStanford, CA, 94305-6010(650) 723-3563***************************© 1998, 2014Title: Chang Kia-ngau papersDate (inclusive): 1856-1981Collection Number: 74058Contributing Institution: Hoover Institution ArchivesLanguage of Material: Chinese, Japanese, English, and RussianPhysical Description: 27 manuscript boxes, 4 oversize boxes, 1 envelope, 4 panels of calligraphy(31.4 linear feet) Abstract: Diaries, letters, writings, reports, financial records, instructions, statistics, and printed matter relating to financial and economic conditions in China, economic conditions in Manchuria at the end of World War II, Chinese-Soviet negotiations for the return of Manchuria to Chinese control, and daily commodity prices of Chinese products, 1950-1957. Includes some materials collected from Japanese organizations, calligraphy by Liang Qichao, and letters by ChiangKai-shek. Part of collection also available on microfilm (11 reels).Physical Location: Hoover Institution ArchivesCreator: Chang, Kia-ngau, 1889-1979.Contributor: Liang, Qichao, 1873-1929.Contributor: Chiang, Kai-shek, 1887-1975.AccessCollection is open for research.The Hoover Institution Archives only allows access to copies of audiovisual items. To listen to sound recordings or to view videos or films during your visit, please contact the Archives at least two working days before your arrival. We will then advise you of the accessibility of the material you wish to see or hear. Please note that not all audiovisual material is immediately accessible.Publication RightsFor copyright status, please contact the Hoover Institution Archives.Preferred Citation[Identification of item], Chang Kia-ngau papers, [Box no.], Hoover Institution Archives.Related MaterialsLast Chance in Manchuria: The Diary of Chang Kia-ngau, edited by Donald G. Gillin and Ramon H. Myers, translated by Dolores Zen. Hoover Institution Press, 1989.1888Born, outside of Shanghai, China1910Editor-in-chief of the Official Gazette published by the Ministry of Communications1913Began his banking career as assistant manager of the Bank of China in Shanghai1913-1935Contributed to the development of modern practices in private banking in China, fending off government control of the Bank of China1935Minister of Railways1935-1943During the Sino-Japanese war, served as Minister of Communications, accompanying the central government from Nanking to Chungking1935-1943Minister of Transportation1947-1948President, Central Bank, ChinaHeld various other positions of importance in the Chinese Nationalist Government1979DiedScope and Content of CollectionDiaries, letters, writings, reports, financial records, instructions, statistics, and printed matter relating to financial and economic conditions in China, economic conditions in Manchuria at the end of World War II, Chinese-Soviet negotiations for the return of Manchuria to Chinese control, and daily commodity prices of Chinese products, 1950-1957. Includes some materials collected from Japanese organizations, calligraphy by Liang Qichao, and letters by Chiang Kai-shek. Part of collection also available on microfilm (11 reels).Subjects and Indexing TermsPrices--China.Reconstruction (1939-1951)--China--Manchuria.China--Economic conditions.China--Foreign relations--Soviet Union.Manchuria (China)--Economic conditions.Manchuria (China)--History--1945-Soviet Union--Foreign relations--China.Finance, Public--China.Diaries,1856-1981Scope and Contents noteIncludes diaries documenting the Japanese invasion of Manchuria.Ping Shou Chai diary,1856-1864Box/Folder 28 :1-5Box/Folder 15 : 201935 June-NovemberBox/Folder 15 : 211937 February-JuneBox/Folder 15 : 221937 June-SeptemberBox/Folder 15 : 231937 September-DecemberBox/Folder 15 : 241938 May-OctoberBox/Folder 15 : 251938 October - 1939 MayDong Bei Jie Shou Jiao She Ri Ji (Diary of Taking Over Northeastern China),1945-1946 Box/Folder 12 :1-2Box 16Diaries and small memorandums,1963-1981Scope and Contents noteOne diary is from 1940; unclear if actually used in that year. There is also a photo insideit of an unidentified woman.Biographical File,1934-1979, undatedBox/Folder 27 : 14Chiang Shih-hsun estate records,1934Box/Folder 27 : 3Photographs of China Merchandise Committee,1936Box/Folder 27 : 18Personnel records,1945Box/Folder 27 : 15Newspaper clippings about Chang Kia-Ngau,1945-1969Box/Folder 21 : 15Chen Kuang-Pu biographical materials,1955Box/Folder 21 : 2Last will and testament,1979Box/Folder 21 : 3Autobiography,undatedBox 17Business cards,undatedBox/Folder 21 : 1Fortune telling materials,undatedBox/Folder 15 : 19Name and address clippings,undatedScope and Contents noteIncludes notes.Correspondence,1942-1976, undatedBox/Folder 27 : 19Letter of appointment by Chiang Kai-shek,1942, 1945Box/Folder 27 : 9Miscellaneous correspondence,1949-1976Scope and Contents noteContains envelope for Chang Chinn-mau letter regarding conditions after World War II,and the decisions of Chiang Kai-shek, but letter itself is not included.Box/Folder 23 : 7Telegrams,1950-1951Box/Folder 21 : 6Chen Kuang-Pu correspondence,1957, 1961-1962Box/Folder 21 : 16Chen Kuang-Pu correspondence,1964Box/Folder 27 : 1Travel records and correspondence,circa 1962-1963Box/Folder 27 : 2Chiang Ching-kuo, Kung Ling-kan, Li Kuo-ting, and Yen Chia-kan correspondence,undatedCorrespondence, 1942-1976, undatedBox/Folder 27 : 13Chiang Kai-shek correspondence,undatedScope and Contents notePhotocopyBox/Folder 27 : 7Chou, Tsao-min introduction materials,undatedBox/Folder 23 : 8Correspondence and memoranda of meetings with Tian-Yi Xiong,undatedBox/Folder 12 : 3Personal instructions from Chiang Kai-shekBox/Folder 27 : 12Sen Bai correspondence regarding Communist party affairs,undatedSpeeches and Writings,1964-1968, undatedScope and Contents noteSee also: Reports and Financial Records and Shanghai Commercial Bank Documents.Box/Folder 27 : 8"Studies on the Economic History of Modern China," publishing materials,1964Box/Folder 27 : 5"Devaluation of U.S. Dollar and Britain's Currency" speech,1968Chen Kuang-Pu biography drafts,undatedBox/Folder 23 :1-2Chen Kuang-Pu biography, edited draft,undatedBox/Folder 24 :5-7Box/Folder 21 : 14Chen Kuang-Pu Xian Sheng Zhuan Ji Gao (drafts for Chen Kuang-Pu's biography),undatedBox/Folder 21 : 9Draft chapters 9-11 of a book about bank management,undatedBox/Folder 27 : 21Epitaph of Zhang Jun Run,undatedBox/Folder 22 : 2Hai Guang Wen Xuan (Selected Works of Hai Guang),undatedBox/Folder 21 : 8Incomplete draft on rehabilitation after the Anti-Japanese war,undatedBox/Folder 27 : 17Miscellaneous study notes,undatedBox/Folder 24 : 8Notebook of economic research,undatedBox/Folder 21 : 12Zhong Guo Yin Hang Yu Huo Bi Chao Xiang Xian Dai Hua (The Modernization ofChinese Currency and Banking),undatedReports and Financial Records,1876-1962, undatedScope and Contents noteSee also: Banking Reports.Box/Folder 27 : 11Railroads-China records,1876-1937Box 30Soy Beans in Manchuria,1926Box/Folder 4 : 3Reports of Coal Mining Resources,1937-1941Wu Nian Kai Fa Ji Hua (Five Year Development Plan),1937-1941 Box/Folder 10 : 9,11 : 2Box/Folder 7 : 2-3Business materials of Man Zhou Guo,1937-1945Box/Folder 11 : 5Chan Ye Huo Dong Ji Qi Zu Ai (The Progress and the Obstacles of the Industries)reports,1940Box/Folder 11 : 4You Ri Man Tie Gong Ye Zi Ben Gou Cheng Suo Jian Zhi Man Zhou Kuang Gong Ye ZhiDong Xiang (Analysis Report About the Future of Coal Mining Industry in ManchuriaBased on the Capital Structure of the Manchurian Railway),1940-1942 Box/Folder 9 : 4Ge Gang Xian Zhuang Ping Mian Tu (Plans of All Harbors),1940-1945Box/Folder 11 : 3Industrial production reports,1940-1945Box/Folder 11 : 61941 Sheng Chan Huo Dong Gai Kuang (Overview of Articles on Industrial Productionin 1941),1941Box/Folder 5 : 1Iron and steel purchasing reports,1941Box/Folder 9 : 1-2Gang Wan He Yi Ji Xie Yi Lan Biao (Blueprints of Industrial Machinery from theNetherlands),1942Box/Folder 6 : 3-6Industrial Chemicals Supply report,1942Box/Folder 5 : 6-7Lao Dong Zi Liao (Labor Distribution in Different Industries),1942Box/Folder 11 : 1The Status Quo and Future Plans of Heavy Industries in Man Zhou Guo,1942Box/Folder 4 : 5Papers about iron and steel,1942-1945Box/Folder 14 : 13Assets Lists of Soviet Preoccupied Infrastructure,1943Scope and Contents noteOversize documentsBox/Folder 5 : 5Gang Tie Yue Bao (Report of Iron and Steel),1943Box/Folder 8 : 2Hua Xue Gong Ye Yao Pin Zhi Xu Gong Ce Ding Biao (Chemical Supply and DemandList),1943Box/Folder 5 : 3Nong Chan Wu Gou Ru Jia Ge Shuo An Yao Ling (Price Index of Crops),1943Box/Folder 5 : 4Nong Ye Jin Rong Diao Cha Bao Gao (Agricultural Finance Survey Report),1943Box/Folder 6 : 2Nong Ye Zi Liao (Agricultural Materials),1943Box/Folder 4 : 2Foreign trade reports,1943-1944Box/Folder 4 : 4Mineral distribution plans,1943-1944Box/Folder 8 : 4Man Ye Man Tie Ge Xiang Can She Zi Liao (Materials About South ManchurianIndustries and Railway),1944Box/Folder 3 : 2Wu Dong Yuan Liao Biao (Raw Material Lists for Steel and Aircraft Manufacturing),1944Box/Folder 1 : 2Zhong Guo Zhi Bi Lun and Dong Bei Jin Rong Zheng Ce (Financial and Currency Policy of Northeast China Drafted by Japanese Government),1944Box/Folder 1 : 1Nong Chan Wu Sheng Chan Diao Cha (A Survey About Crop Yield),1944-1945Box/Folder 26 : 8Contracts of Major Agreement on Railway in East-Central China,1945Box/Folder 6 : 1Gong Ye Zi Liao (Industrial Materials),1945Box/Folder 8 : 3Man Tie You Guan Wen Jian (Materials About the South Manchurian Railway),1945 Box/Folder 5 : 2Man Zhou Zong He Dang Pu Gai Lan (Materials About Pawnshops in Manchuria),1945 Box/Folder 14 : 12Manchuria corporations files,1945Scope and Contents noteOversize documentsBox/Folder 8 : 5-6Hua Xue Gong Ye Diao Cha Bao Gao (Survey Reports About Chemical Industries),1945-1946Box/Folder 10 : 7Industrial and agricultural maps,1945-1946Box/Folder 10 : 8Railway maps,1945-1946Box/Folder 1 : 5Zhong Yang Jun Zhan Lin Di Qu Nei Nong Chan Wu Jia Ge Tiao Jie (The Adjustment of Primary Goods Price Within the Central Military Occupation),1945-1946Box/Folder 1 : 3Fu Gong Ji Hua (Budget for Rebooting Steel Manufacturing),1945-1947Box/Folder 10 : 2Dong Bei Cai Zheng (Fiscal Materials of Northeastern China),1946Box/Folder 11 : 7-8Dong Bei Ri Ren Lai Hu Gong Zuo Bao Gao (The Working Reports of Japanese in North-Eastern China),1946Box/Folder 7 : 4-5,8 : 1Fei Tie Jin Shu Bao Gao (Reports of Non-iron Metal Resources),1946Box/Folder 26 : 4Finance Reports of Southern Manchuria,1946Box/Folder 1 : 4Liu Tong Bu Men Wu Jia (Price Policy of Northeast China drafted by JapaneseGovernment),1946Box/Folder 2 : 5Mei Kuang Fu Xing Dui Ce (Rehabilitation of Coal Mining Industry) policy files,1946 Box/Folder 26 : 3Negotiation materials for taking over Manchuria from Russia,1946Box/Folder 2 : 4Qing Gong Ye Jian She Yi Jian (Proposals for Light Industry Development in China), 1946Box/Folder 2 : 2The Rehabilitation of the Textile Industry of the Nine Northeastern Provinces,1946 Box/Folder 27 : 10Report on Japanese Assets in Manchuria to the President of the United States,1946 Box/Folder 3 : 1Reports of Mineral Resources in China,1946Box/Folder 1 : 7Science and Technology Conception for Northeast China,1946Scope and Contents noteDrafted by the Japanese Science Committee.Box/Folder 1 : 8Science and Technology Education, Healthcare Policies for North East China,1946Scope and Contents noteDrafted by the Japanese Science Committee.Box/Folder 1 : 6Sheng Chan Guan Li Ju Di Yi Qi Fu Gong Ji Hua (First Phase of ManufacturingRebooting),1946Box/Folder 2 : 1Tie Lu Fu Yuan Ji Hua (The Plan for Railway Rehabilitation),1946Box/Folder 2 : 6Zhi Jiang Ji Zhi Zhi Gong Ye (Paper Industry) reports,1946Box/Folder 26 : 5Zhong Chang Lu Cha Juan (Railway Construction files); miscellaneous Russianproperty materials, memos, and correspondence on Northeast China,1946Box/Folder 2 : 3Zhong Guo Chan Ye Kai Fa, Dong Bei Gong Ye Fu Xing (Proposals for Heavy Industry Development in China),1946Box/Folder 10 : 1Hui Fu Jing Ji Shi Ye Jin Zhan (Rehabilitation of Economics) articles,1947Box/Folder 9 : 5Jie Shou Ge Shi Ye Dan Wei Fen Lei Biao (List of Institutions Taken Over),1947Box/Folder 9 : 6Ri Ren Yi Jian Shu (Reconstruction Proposals from Japanese Scientists),1947Box/Folder 26 : 7Sino-Soviet Treaty of Friendship, Alliances, and Mutual Assistance,1949Box/Folder 26 : 2Materials about taking over coal mining industry in Northeastern China,1950-1951 Box 30Price statistics of cotton, etamine, and other materials,1950-1956Scope and Contents noteIncludes 16 lists.Box 30Price statistics of food in Shanghai and Beijing,1950-1956Scope and Contents noteIncludes 42 lists.Box 29Statistics of coal, steel, construction materials, and wood in Beijing, Tianjing andChongqing,1950-1956Scope and Contents noteIncludes 25 lists.Box/Folder 14 : 11Agricultural products price lists,1950-1957Box/Folder 14 : 5Unit price lists of Chinese textiles,1950-1957Box/Folder 21 : 17Paofoong Insurance Company materials,1950-1963Box/Folder 14 : 4Price list of Chinese medicine,1951-1954Box 29Price statistics of Chinese traditional medicine,1951-1954Scope and Contents noteIncludes 6 lists.Box 29Price statistics of construction materials, bricks, wood and cement in Shanghai,1951-1954Scope and Contents noteIncludes 12 lists.Box 29Price statistics of paper,1951-1954Scope and Contents noteIncludes 5 lists.Box/Folder 15 : 17Unit price lists of chemicals, medicines, and papers,1951-1955Box 30Price statistics of general merchandise in Shanghai,1951-1956Scope and Contents noteIncludes 21 lists.Box 29Price statistics of medicine, chemicals and dye in Shanghai, Tianjing, Wuhan, andQingdao,1951-1956Scope and Contents noteIncludes 24 lists.Box/Folder 14 : 10Coal price and gas price,1951-1957Box/Folder 14 : 9Machinery materials price lists,1951-1957Box/Folder 14 : 6Unit price lists of chemicals and medicines,1951-1957Box/Folder 14 : 7Unit price lists of steel and building materials,1951-1957Box/Folder 14 : 3Yearly price lists of general merchandise in Shanghai, Qingdao, and Guangzhou, 1951-1957Box/Folder 15 : 16General Commodity Quotations in Hong Kong Market,1951-1963Box/Folder 14 : 1Yearly paper quotations,1952-1955Box 30Price statistics of cotton, cement, sugar, acid, fertilizer, rice, paper, soda, steel, paper, iron, tobacco and other materials,1952-1957Scope and Contents noteIncludes 21 lists.Box/Folder 24 : 1-3Materials about Hong Kong banking and business reports of Shanghai Commercial Bank, Hong Kong,1952-1964Box/Folder 27 : 20Food supply materials,1956-1961Box/Folder 21 : 13Zhong Guo Lu She Jian Shi (The History of China Travel Agency),1962Scope and Contents noteDrafts and printed copyBox/Folder 12 : 4-5Correspondence, notes, and memos on returning companies to Chinese control from the Soviet Union. Cooperation between Chinese and Soviet industryBox/Folder 9 : 3Gang Wan Shi She (Engineering Drawings of Manchuria Harbor Construction),undatedBox/Folder 27 : 4An investigation of Chinese government officials' overseas bank accounts,undated Box/Folder 14 : 2Monthly quotations of general merchandiseBox/Folder 14 : 8Shanghai household utility priceBox/Folder 26 : 6Soviet and Chinese memos, agreements on Japanese reparations and propertyBanking Reports,1919-1957Box/Folder 15 : 18Currency samples,1919-1929Box/Folder 21 : 10Joint Statement made by the Secretary of the Treasury and the Minister of Finance of China for press release,1937 July 9Box/Folder 27 : 6China Finance Analysis Reports,1941-1949Box/Folder 4 : 1National income survey,1942-1943Box/Folder 3 : 3-4Fiscal material of Manchuria,1944Box/Folder 7 : 1Financial materials of Manchurian currency and price index,1945Box/Folder 3 : 5Fiscal and taxation materials,1945Box/Folder 10 :5-6Dong Bei Wu Jia (Price Index materials),1945-1946Box/Folder 10 :3-4Finance materials,1946Box/Folder 26 : 1Memorandum of meetings with Malinovsky and general principles on economicenterprises,1946Box/Folder 23 : 6Statement of cash flow,1948Box/Folder 12 :6-9Daily Commodity Quotations,1952Box/Folder 12 :10-16Daily Commodity Quotations,1953Box/Folder 13 :1-13Daily Commodity Quotations,1954Box/Folder 13 : 14-25Daily Commodity Quotations,1955 Scope and Contents noteNovember is not included.Box/Folder 21 : 5Index of files about Chinese banking and finance from Xu Xiekang,1955 June Box/Folder 13 :26-31Daily Commodity Quotations,1956Banking Reports, 1919-1957Daily Commodity Quotations,1956Box/Folder 15 :1-5Daily Commodity Quotations,1957Box/Folder 15 :6-15Shanghai Commercial Bank Documents,1915-1967, undatedBox 31Official reports compilations of Shanghai Commercial Bank,1915-1935Scope and Contents noteOversize documentsFinancial reports of Shanghai Commercial Bank,1932-1943Box/Folder 22 :5-7Box 29Financial reports of Shanghai Commercial Bank,1936-1946Scope and Contents noteIncludes 6 lists.Work diaries about transformation of Shanghai Commercial Bank after Anti-JapaneseWar,1939-1979Box 181939, 1941-1943, 1945, 1946, 1948Box 191961, 1963, 1968-1973Box 201974-1979Box/Folder 27 : 16 A stock certificate of Shanghai Commercial Bank,1947Box/Folder 23 : 3Shanghai Commercial Bank balance sheets,1951-1958, 1963"History of Shanghai Commercial Bank" documents,1951-1965Box/Folder 22 : 3Drafts of "History of Shanghai Commercial Bank,"1951References for "Fiftieth Anniversary of Shanghai Commercial Bank,"1958-1960 Box/Folder 25 :7-8Box/Folder 25 : 2Chapters 1-5 of "Fiftieth Anniversary of Shanghai Commercial Bank,"1965Box/Folder 25 : 1"Fiftieth Anniversary of Shanghai Commercial Bank,"1965Box/Folder 25 : 5First draft of "Fiftieth Anniversary of Shanghai Commercial Bank,"1965Box/Folder 23 : 5Draft of "History of Shanghai Commercial Bank,"undatedBox/Folder 22 : 8Drafts of "History of Shanghai Commercial Bank,"undatedDrafts of "History of Shanghai Commercial Bank,"undatedBox/Folder 25 :3-4Box/Folder 25 : 6Materials for "Fiftieth Anniversary of Shanghai Commercial Bank,"undatedBox/Folder 22 : 1"Shanghai Bank in 1951,"undatedBox/Folder 21 : 4Correspondence (in English) with Lawrence Morris, E. K. Hsu, George H. Greene,Ambassador Hollington K. Tong, Bang How; summary of Shanghai Commercial Bankand US Treasury and frozen funds, miscellaneous Chinese note,1956-1957, 1963 Box/Folder 21 : 11Paperwork from Shanghai Commercial Bank,1957Box/Folder 21 : 7Minutes of a board meeting of Shanghai Commercial Bank,1960Box/Folder 24 : 4Annual Report to the share holders of Shanghai Commercial Bank,1960-1963Box/Folder 22 : 4Board Meeting reports of Shanghai Commercial Bank in Taiwan,1964-1967Box/Folder 23 : 4Notebook of Chinese Fiscal and Currency Policies,undatedPhoto file Photographs,undatedEnvelope A 1 print depicting Chang Kia-ngauMemorabilia,undatedMemorabiliacabinetFour panels of calligraphyTwo late Ch'ing Dynasty teacups。
专利名称:System and method for selecting a papersize for printing an image file发明人:Manuel Gonzalez,Luca Chiarabini,StevenAndrew Battle申请号:US09852263申请日:20010510公开号:US20020186382A1公开日:20021212专利内容由知识产权出版社提供专利附图:摘要:The present invention provides a system and method for selecting an image size and printing a received image in the selected image size. A computer file including animage is received. A range of sizes for printing the received image is calculated based on a plurality of quality standards in order to maintain a predetermined degree of quality for a printed image. The quality standards may be related to resolution, aspect ratio, number of pixels and orientation. Also, a user may provide a custom print size for printing the received image. If the custom print size is in the calculated range of sizes, the image may printed in the custom size. Alternatively, the image is printed in a size in the range.申请人:GONZALEZ MANUEL,CHIARABINI LUCA,BATTLE STEVEN ANDREW更多信息请下载全文后查看。
钟启明,张佳雨,郭城,等. 海藻酸钠水凝胶3D 打印效果和流变特征及其相关性分析[J]. 食品工业科技,2023,44(23):21−28.doi: 10.13386/j.issn1002-0306.2023030162ZHONG Qiming, ZHANG Jiayu, GUO Cheng, et al. Correlation Analysis of 3D Printability and Rheological Properties of Sodium Alginate Hydrogels[J]. Science and Technology of Food Industry, 2023, 44(23): 21−28. (in Chinese with English abstract). doi:10.13386/j.issn1002-0306.2023030162· 未来食品 ·海藻酸钠水凝胶3D 打印效果和流变特征及其相关性分析钟启明1,张佳雨1,郭 城1,杨国燕1,贾喜午1,刘玉彪2,金伟平1,*(1.武汉轻工大学食品科学与工程学院,湖北武汉 430000;2.武汉中粮科技食品有限公司,湖北武汉 431400)摘 要:本研究以钙离子诱导海藻酸钠水凝胶为模型,通过稳态剪切、形变扫描、屈服应力等流变学测试,辅以水合分布特征分析海藻酸钠水凝胶网络结构,综合3D 打印产品的形态与Micro-CT 微结构,经Spearman 相关性系数分析,建立流变参数与3D 打印效果之间的关联性。
结果表明,当固定海藻酸钠与Ca 2+质量分数比为24:1,海藻酸钠浓度为4.5%时,凝胶3D 打印产品形态评分最佳,层纹结构清晰,孔隙率为12.21%。
此时凝胶的流变特征参数K 、η1、G'、G"、τ0和τy 分别为255.1 Pa·s n ,2740 Pa·s ,3509 Pa ,673.2 Pa ,261.4 Pa 和51.62 Pa ;凝胶网络内部以毛细管水(约99.20%)为主,表现出强持水力。
Technical Innovation in 2-Pedal Transmissions Led by CVTsShigeo Ishida 1) Takashi Shibayama 2) Akihiro Aoyama 3)At JATCO, we put new-generation CVTs on the market between 2009 and 2012. These new CVTs were developed for the purpose of unifying our CVT lineup through the incorporation of various technical innovations. It was deemed difficult to integrate the lineup just on the basis of conventional improvements. The basic strategy defined for the new CVTs was to “transmit high torque with a small transmission” and specific technical innovations were made to achieve the goal of integrating the product lineup. This paper describes the technical innovations embodied in these new CVTs.KEY WORDS: Continuously Variable Transmission with Auxiliary Gear Box, New Belt, New Chain1.INTRODUCTIONPersonal mobility requires global environmental protection through the reduction of carbon dioxide (CO2) emissions and the means for providing individual freedom of movement. In response to these market needs, automatic transmissions began to diffuse rapidly in the 1980s concomitant with worldwide user demands for driving ease as well. Accompanying this diffusion trend, more speed ranges began to be added to the 3-speed automatic transmissions prevalent at that time, and various new types of automatic transmissions also started to appear during that same period, including automated manual transmissions. However, it was predicted that the evolution of these transmission technologies would reach a limit in the future owing to their complex structures and control procedures.At JATCO, we began early on to focus attention on continuously variable transmissions (CVTs) because of their inherent environmental performance and potential for smooth shifting due to the absence of stepped gear ratios. Through the efforts made to expand our CVT products, we successfully developed a full CVT lineup comprising four different series.However, in the meantime the automobile as a whole was rapidly undergoing technological innovation, including downsizing and electronification. We realized that transmissions also required similar innovation and launched development activities toward that end.In 2009, we developed the world’s first CVT that incorporates an auxiliary transmission and then developed a new CVT series in 2012 that can be applied to a wide range of vehicles from 2.0L-class midsize cars to 3.5L-class large vehicles. As a result, these two newly developed CVT series can cover the entire range of vehicle application that was previously covered by our full lineup consisting of four CVT series.This paper describes the concepts defined for the development of these new CVTs and the technical innovations that were achieved in the process. 2. SOCIAL ENVIRONMENT CHANGES ANDTRANSMISSION REQUIREMENTS2.1 Response to Social Environment ChangesMarket requirements for vehicles rapidly diversified from the previous demand for driving ease to include technologies for complying with fuel economy regulations and collision safety standards, as well as electronification accompanying higher levels of vehicle functionality. The approaches that were emphasized for complying with fuel economy regulations included expanding the ratio coverage of transmissions, downsizing vehicles and engines, and enhancing overall efficiency. In the transmission field, more speed ranges were added to stepped automatic transmissions andautomated manual transmissions were developed (Fig. 1).〔Fig. 1.〕, Trends in 2-pedal vehicle & transmission technologiesThe demand for more speed ranges can also be seen in another way as the expansion of ratio coverage, which works to improve fuel economy. Consequently, transmission ratio coverage has been continually expanded since the early 2000s accompanying the further tightening of CO2emission regulations in Japan, the U.S., Europe and China (Fig. 2).〔Fig. 2.〕, Fuel consumption regulations and wider ratio of transmissionsMoreover, as a result of the continued diffusion of vehicles and more complex traffic conditions, there were also rising demands from the latter half of the 1990s for stronger collision safety standards. Seen from the standpoint of the powertrain system, the improvement of collision safety meant expanding the vehicle crushable zones, which necessarily required the downsizing of powertrains at the same time.The first example of the response made to enable vehicles to meet these requirements was the downsizing of engines. Engine displacements began to be reduced from around 2000, which corresponded to the initial period of the expansion of transmission ratio coverage 〔Fig. 2〕. Subsequently, engine displacements were dramatically reduced by the application of supercharging. It is seen in Fig. 3 that engine displacements were downsized by nearly 40% in some cases during that period. The second example that can be cited concerns the adoption of the controller area network (CAN) for in-vehicle communication. As a result of the rapid progress of automotive electronics and the implementation of information technology (IT) in vehicles, it became necessary to have the capability for transmitting larger volumes of information at faster speeds. That could not be done by simply bundling together more ordinary wiring harnesses. Therefore, the adoption of CAN communication made it possible to transmit large volumes of databidirectionally at high speed (Fig. 3).〔Fig. 3〕, Trends in downsizing of engines & CAN network2.2 Future Vision of 2-pedal TransmissionsSuch requirements from the external environment also made it necessary to move ahead rapidly with the development of transmission technologies. Meanwhile, it was predicted that simply improving transmission technologies along the lines of traditional approaches would reach a limit in the future because of the increased complexity of the structures and control procedures.Therefore, we focused attention on our CVT lineup consistingof four series at that time. The overall transmission length is one index that can be applied when downsizing transmissions for use on front-wheel-drive vehicles. An examination of the overall length of our CVTs developed up to that point revealed that they were clustered into a 400-mm class group and a 350-mm class group. Accordingly, for the former group with the longer overall length, we set a target of a 350-mm class, i.e., the length of the latter group, in order to ensure ease of mounting in the engine compartment. For the group with the shorter overall length, we set a target of 340 mm maximum in order to ensure flexibility for use even on minivehicles. We also examined the lineup from a different perspective with regard to the allowable torque band. The results showed that our CVTs used on minivehicles and small cars had a similar torque capacity requirement of 70-180 Nm and those used on midsize and large vehicles had a similar performance requirement of 250-380 Nm. Accordingly, from the perspective of downsizing, we formulated a strategy for integrating our existing CVT models in these two torque capacity ranges into smaller size units, respectively, as the future vision of our CVT lineup (Fig. 4).〔Fig. 4〕, Target of CVT integrationThe fundamental idea of this integration strategy was to “transmit high torque with a small transmission.” For the CVT model in the lower torque range, that is, the unit for use on minivehicles and small cars, we defined the concept of developing“technologies that provide wide ratio coverage even with a small transmission.” That was intended to address the issue of the poor power-to-weight ratio of these vehicles. For the CVT model in the higher torque range, that is, the unit for use on midsize and large vehicles, we defined the concept of developing “technologies for transmitting high torque with a small transmission.”The accomplishment of these concepts would require innovation, as it would be impossible to achieve them by simply continuing the evolution of conventional technologies along the same lines. Based on these two development concepts, we created various innovative technologies that enable just two CVT series to cover a fivefold range of torque capacity from 70 Nm to 380 Nm. As a result, we were able to dramatically integrate our CVT lineup for use on front-wheel-drive vehicles.The specific technical innovations that were developed will be described in the following sections.3. CONCEPT AND TECHNOLOGIES OF SMALLER CVT 3.1 Development of an Auxiliary Transmission and Smaller Pulleys The conventional approach to downsizing that has generally been applied to date is the idea of integrating multiple structures or functions into one. However, we took the opposite approach in the development of a new-generation smaller CVT. Specifically; we divided the shift mechanism into one based on the belt-pulley system and one based on a two-speed auxiliary transmission. Fig. 5 compares the structure of the existing base CVT with that of the newly developed CVT which incorporates an auxiliary transmission. The adoption of the auxiliary transmission allowed the pulley size to be reduced by 15%, thereby achieving an overall length of 323.3 mm and reducing the wet weight by 10 kg (Fig. 6).〔Fig. 5〕, Auxiliary transmission for compact sizeMoreover, the incorporation of the auxiliary transmission allows the use of two pulley ratio patterns between High and Low, thereby making it possible to expand the ratio coverage to 7.3, upfrom 6.0 of the existing unit.〔Fig. 6〕, Downsizing of Pulleys3.2 Control Technology Facilitating the New Shift Mechanism Although a distinctive feature of this shift mechanism is that two pulley ratio patterns can be used between High and Low, the shifting of the belt-pulley system must be synchronized with that of the 2-speed auxiliary transmission in order to ensure smooth shift performance. With this CVT structure, fluctuations in engine speed and torque must be suppressed at the time the auxiliary transmission shifts. If such fluctuation is not controlled well, the time difference in the shifting operations would prevent harsh shift that would compromise the smooth shift performance inherent to a CVT. JATCO has a long history of developing stepped automatic transmissions and has accumulated many technologies related to shifting. In addition, we have also developed various technologies for shifting CVTs.By combining these two sets of technologies, we were able to prevent harsh shift as indicated in Fig. 7. Specifically, a control technology was developed for synchronizing upshifts and downshifts, which maintains a constant engine speed for obtaining smooth shift performance. The control system calculates the target total gear ratio, and from that value it calculates the target pulley ratio. The pulleys and the auxiliary transmission clutches are then controlled hydraulically according to the respective target value. In addition, adaptive learning control is applied to learn the contact point of the clutches in order to reduce any harsh shift that occurs when switching between clutches in the torque phase. Similarly, adaptive learning control is applied to learn the clutch torque capacity needed at the time of clutch engagement. These control features serve to overcome pressure fluctuation and structural variation and also maintain the desired performance as the unit ages with use (Fig. 7).〔Fig. 7〕, Innovations in control system technologyThese technologies were embodied in the new Jatco CVT7 that was released in 2009 and provides improved fuel economy and excellent drivability in a compact package.4. CONCEPT AND TECHNOLOGIES OF LARGER CVT 4.1 CVT StructureWith regard to technical innovation for the CVT to be used on midsize to large vehicles, the first step taken was to review the basic structure. The oil pump that generates hydraulic pressure for torque transmission and shifting is positioned under the first shaft and is driven via a chain system from the input shaft connected directly to the engine. This layout was selected with the aim of reducing the overall length of the unit (Fig. 8).However, the size reduction that can be achieved by simply revising the layout is limited. For that reason, technical innovations were deemed necessary, and it was decided to develop a new belt and a new chain.〔Fig. 8〕, Main cross section4.2 New belt and new chainActivities were undertaken to develop the technologies for transmitting high torque with a smaller transmission, which is required of a CVT for use on midsize to large vehicles. At the time,it was said that new technologies for compact, high torque capacity CVT component was necessary. We proceeded with the development of a new belt and a new chain in order to transmit high torque with a small transmission. That was done to provide the optimal drive system matching the ways in which vehicles fitted with the new CVT are actually driven. As a result, a new belt was developed for use on midsize vehicles that is 2 mm narrower in width than the existing belt, and a new chain was developed for use on large vehicles that is 3 mm narrower in width than the existing chain, as shown in Fig. 9〔Fig. 9〕, New belt and new chain(1) New beltThe new belt was developed with aim of achieving a smaller size, and efforts were also made at the same time to reduce friction. Both a smaller size and lower friction were achieved by 1) reducing the width of the bands, 2) optimizing the element sharpness and 3) increasing the ear width. Specifically, reducing the width of the bands was effective in lowering friction between them and the elements. Additionally, optimizing the element geometry reduced friction while also ensuring the desired torque transmission capacity. These measures resulted in the development of a smaller belt with lower friction (Fig. 10).〔Fig. 10〕, Key technical features of CVT8: new belt(2) New chainThe new chain for use on large vehicles was developed basedTorque Converter Oil PumpSecondary PulleyReduction GearFinal GearOutput Gear Idler Gear Forward, ReverseOut put for Tires Chainon an analysis of how such vehicles are actually driven. Previously, it was well known to use crown pulley faces. At JATCO, we aimed to use common pulleys for the purpose of unifying our CVT models used on midsize and large vehicles. Along with adopting straight pulley faces, the geometry of the pin end face of the chain was re-examined, and the optimum face geometry was found for securing high efficiency. This also made it possible to improve massproduction efficiency.〔Fig. 11〕, New chainThe foregoing measures made it possible to reduce the overall length of the new CVT for large vehicles by 30 mm (-8%) and its weight by 5 kg (-5%) compared with the existing CVT. As a result, we were able to unify our CVT models for use on midsize to large vehicles. In 2012, the Jatco CVT8 incorporating these newly developed technical innovations was adopted on the new Nissan Altima that was released in the U.S. market. This new CVT has been highly evaluated for its compact size and contribution to improved fuel economy and drivability.The technical innovations described here facilitated the complete integration of our CVT lineup into two series, one for use on minivehicles and small cars and the other for use on midsize to large vehicles. Each CVT series provides levels of performance that could not have been obtained by simply making improvements toexisting technologies (Fig. 12).〔Fig. 12〕, Comparison of CVT specificationsOur present lineup of new-generation CVTs established on the basis of these technical innovations has been highly praised by our automaker customers. In CY2011, we gained a 55% share of the global CVT market. Work is now under way to develop a hybrid model.5. DEVOPMENT PROCESS INNOVATIONSThe successful development of the new-generation CVTs was due to the adoption of the individual technical innovations described above as well as to innovations made to the development process. Conventionally, development work has been done in a step-by-step manner, but we transformed the development process so that the vehicle, engine and CVT transmission are now developedsimultaneously (Fig. 13).〔Fig. 13〕, Transforming the Development ProcessThis simultaneous development process makes it possible to achieve performance and functionality thoroughly integrated with the vehicle model. It also helps to speed up the development process and provides greater possibilities for attaining the targeted performance.6. CONCLUSIONSTechnical innovations were pursued in line with the concepts defined for developing the technologies of the new-generation CVTs for purpose of unifying the CVT lineup. The following observations can be made based on a review of the results obtained.1) Social environment changes and vehicle requirements havepromoted engine/vehicle downsizing and innovations in CAN communication and other technologies.In parallel, innovations in transmissions also have beenpromoted.2) The basic strategy defined for the new-generation CVTs was to“transmit high torque with small transmission” and specifictechnologies were identified for unifying the CVT lineup. 3) One approach taken was to develop technologies for obtainingwide ratio coverage even in a small transmission. The conceptof an auxiliary transmission and the use of smaller pulleys were pursued to accomplish that.4) Another approach taken was to develop technologies fortransmitting high torque with a small transmission. Attention was focused on the belt as the key component for transmitting torque, and the challenge of developing a new belt and a new chain was undertaken.5) Innovations applied to the development process made it easierto develop the new-generation CVTs.The development of the technical innovations described here has made it possible to contribute to further advances in vehicle performance and simultaneously to dramatically revise JATCO’s CVT lineup. We want to continue to contribute to the ongoing progress of vehicles through further innovations in our transmission technologies.Finally, the authors would like to thank everyone involved for their cooperation with the development of these technical innovations from the initial stage of the development process.*Presented in Parallel Session I at 2013 TM Symposium China (TMC 2013).1), 3) JATCO Ltd., 700-1, Imaizumi, Fuji City, Shizuoka, Japan 417-85852) JATCO Ltd., 560-2, Okatsukoku, Atsugi City, Kanagawa, Japan 243-0192。