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【linux】 error "The system is running in low graphic mode"
akya7 2017-4-8 16:46
前一段时间用FSL处理了一个将近2个G的数据集,虚拟机载不住重荷,果然玩脱了。。 一般情况不是网上大多数提到的显卡问题,而是存储空间不够了。 https://www.youtube.com/watch?v=o31QGpjR8KE 灵感powered by该君↑ Step1: ctrl+alt+F2 这个命令确保进入terminal,根据提示输入用户名密码即可; Step2: cd+ls一起侵入到你存放大型文件的dir Step3: rm清理。普通的文件直接在dir下 rm ...即可; 若本身是directory,则可尝试 rm -rf dir (your gigantic directory name) ☆这个方法仅适用于救急。ubuntu的文件管理系统一直让本蒟蒻很苦恼。。以后如果看到更高效的解决途径持续updating.... -----------------------------------------------------------------------------------------------
个人分类: linux/unix|1700 次阅读|0 个评论
期刊编辑的技术审查:成功在于细微处
lin33 2016-7-13 13:36
在学术圈内,同行评审是一项无偿行为。如此耗时耗精力的服务,只有用心完成的稿件才值得拥有。 为了不浪费审稿人的时间,期刊编辑在送审稿件之前会进行 技术审查 (Technical check) 。确保稿件版面整齐、具有可读性,是避免被编辑丑拒的前提。 如果稿件没有通过技术审查,可能产生两种结果:一是拒稿,二是建议按要求补充材料或修改稿件后重新提交。后者与正式的回修步骤相同,需要撰写详细的 修改说明 (Response to technical check) 。 下面从编辑的角度总结技术审查中的常见问题。 1 材料完整性 提交清单 (Submission checklist) 中列举的材料必须齐全。通常包括附信 (Cover letter)、亮点 (Highlights)、文题页 (Title page)、正文 (Manuscript)、致谢 (Acknowledgements) 、基金项目 (Funding)、图表 (Figures Tables) 等。常见问题包括致谢、基金和图表的位置。 致谢 :不同期刊可能要求将致谢放在文题页或正文末尾 基金 :在 文题页或正文末尾说明,或者 投稿时在线填写 图表 :插入正文、附到文献列表之后 (每页一图)、或单独上传图片文件 2 正文格式 期刊常用格式如下,并不需要严格按照范文设置双栏等形式 文字 : 10.5 或 12 号, Times New Roman 或 Arial 距离 :1.5 或 2 倍行间距,1 英寸或 ~2.5 厘米 页边距 间隔 :段落开头使用首行缩进,而非连续空格;各章节之间使用分页符,而非连续空行。 3 语言表达 对于国内作者,撰写的稿件难免含有语法错误或不地道的表达。少量的语法错误不会影响编辑对稿件内容的整体判断。然而,如果放眼望去满篇都是以下问题,编辑就不得不说No 了。 单词拼写错误 :Word 自带红色波浪形下划线提示 短语搭配形式 :Word自带绿色 波浪形下划线提示 主语或者动词 :必须明确 who does what 冗长句式 :普遍超过3行/句,有时甚至4–5行/句 头重脚轻句式 :主语部分约占句子的2/3,难以理解 平行句缺少连词 :罗列结构相同的短句,一”逗“到底 4 布局谋篇 如同庖丁解牛,编辑眼中的稿件往往被分割成五六七八个部分。确保每个部分篇幅合理、结构清晰、阐明研究问题,是通过初审查的最重要部分。以下用对比的方式进行总结常见问题。 摘要 vs. 结论 :摘要150字以内过短,300字以外过长;结论中详述各种数据结果,缺少对整体发现的概括总结 前言 vs. 讨论 :前言500字以内较短,1000字以外过长;讨论中大量罗列文献,缺少对本文结果的原理分析 方法 vs. 结果 :方法500字以内 较短,1000字以外过长;结果中重复方法细节 结果 vs. 讨论 :结果中夹杂讨论 (indicate/suggest 各种推理猜测);讨论中重复结果 (showed/found 各种数据规律) 5 图表设计 一篇深度好文离不开精美的图表。常见的图表问题总结如下。 标题 :缺少样品、参数、研究区等,使读者离开正文难以理解图表 内容 :缺少单位、误差、或统计分析结果 (以*或abc表示显著性差异) 格式 :图片分辨率低下,错误使用 JPEG , 而不是 TIFF 或 EPS 等格式 形式 :单个图表内部过于拥挤 (可拆分),或者多个图表过于简单 (可组合) 结语: 在技术审查阶段,编辑重点审查材料的完整性以及稿件的语言表达和内容框架,当然文档格式和图表设计也不可小觑。 从细微处入手,方能赢在起跑线上。 扫描下方二维码 关注译文编辑 微信号:eWinEditing
个人分类: 笔记|7109 次阅读|0 个评论
AC-S technical data
haibaraxx 2016-5-12 16:11
acsDatasheet.pdf
个人分类: instrumentation|1652 次阅读|0 个评论
What and how about a great engineer
DUYF1988 2012-11-27 17:36
What is needed if you want to be a great engineer? Firstly, technical skills; Secondly, learn new skills quickly; Thirdly, Share their skils with others; Lastly, fast product development. How can we become a great engineer? Firstly, technicl communication skills; Secondly, planning skills; Thirdly, Networking; and most of all, keep the whole picture! This sentence has two meanings.On one hand, you not only master your subject skills, but also realise the other subjects, track the latest news in your unknown fields. As a result, you can predict the lastest area in 5 years even in 10 years. On the other, it means that "Before you do something,you need to have an abstract about what you do." I want to explain this sentence using two proverb. One,"Plan are useless, but planning must be done!" The US. president--Dwight David Eisenhower Two, "If you don't explain it simply, you don't usderstand it well enough."--Albert Einstein
3893 次阅读|0 个评论
[转载]ACS "Just Accepted" Manuscripts
热度 1 kimmyhan 2012-9-4 15:30
What is a Just Accepted manuscript? Just Accepted manuscripts have been peer-reviewed and accepted for publication and are posted online prior to technical editing, formatting for publication and author proofing. Authors must actively choose to have their manuscripts published as Just Accepted manuscripts, and the papers are posted online, usually within 30 minutes to 24 hours of acceptance within the editorial office. Just Accepted manuscripts appear in full as PDF documents accompanied by HTML abstracts. They are accessible to all readers and citable by the Digital Object Identifier (DOI ). The DOI for the manuscript is persistent for all iterations; in other words, the Just Accepted manuscript has the same DOI as the ASAP (As Soon As Publishable) Article. The DOI remains constant to ensure that citations to Just Accepted manuscripts link to the final scientific article of record when it becomes available. The manuscripts posted as Just Accepted are not the final scientific version of record; the ASAP Article (which has been technically edited and formatted) represents the final scientific article of record. The Just Accepted version is removed from the ACS Web site upon publication of the ASAP Article. Why is the ACS posting accepted, unredacted (unedited) manuscripts? The American Chemical Society is posting accepted, unredacted manuscripts as a service to the research community in order to expedite the dissemination of scientific information as soon as possible after acceptance. Dissemination of these accepted, unredacted manuscripts provides earlier access to up-to-date research in a fully citable format. Are all manuscripts posted as Just Accepted on the ACS Publications Web site? No. During the submission process, Authors can choose to have their accepted manuscript posted as Just Accepted. Authors who do not "opt in" for this service during the submission process will have the option to do so upon submission of a manuscript revision. Does posting a manuscript as Just Accepted require Authors to format their manuscript differently? No. However, to ensure a consistent Web presentation and rapid Web publication for Just Accepted manuscripts, we request that the final manuscript components be collated in the order noted in the journal's Author Guidelines. Supplementary Information and other files such as Web Enhanced Objects (videos, etc.) should be saved and uploaded in separate files. The main manuscript text, references, figures, figure legends and tables will be posted online. Other associated files (table of contents graphic, supporting information, Web Enhanced Objects (WEOs), etc.) will be published when the article is published as an ASAP Article and/or in an issue. If I am resolving intellectual property issues (e.g. applying for a patent), can I still select the Just Accepted service? All Authors can select the Just Accepted service. However, Authors are responsible for ensuring that all intellectual property issues are resolved prior to manuscript acceptance. Once the manuscript is accepted it is usually posted to the Web in as little as 30 minutes. Because the process is completely automated, it is critical that the accepted version of the manuscript is complete and all intellectual property issues are resolved prior to acceptance. Once the manuscript is posted on the Web, it is accessible to all readers, and is indexed by SciFinder, Pubmed and Google. What happens to a Just Accepted manuscript after it has been posted to the Web? After a manuscript has been published as Just Accepted, the normal production process continues. The manuscript is converted to full XML, read and edited by a technical editor, and formatted for print and Web delivery. Manuscript galley proofs are sent to the Corresponding Author for approval. After galley proof corrections are applied, the article is published online as an ASAP Article and/or in an issue. The ASAP Article replaces the Just Accepted manuscript and becomes the final scientific article of record. Why do I not see the Supporting Information that I submitted with my manuscript posted with the Just Accepted manuscript? Supplemental Information is not published as part of the Just Accepted version of the manuscript. Once the ASAP article is posted, it will reflect any Supplemental Information that was submitted with the manuscript for publication. What happens to the accepted manuscript if the Author does NOT wish to have it posted as Just Accepted? The normal production process continues regardless of whether an article is posted as a Just Accepted manuscript. The manuscript is converted to full XML, read and edited by a technical editor, and formatted for print and Web delivery. Manuscript galley proofs are sent to the Corresponding Author for approval. After galley proof corrections are applied, the article is published online as an ASAP Article and/or in an issue. Will all Just Accepted manuscripts eventually appear as ASAP Articles (As Soon As Publishable) and in a journal issue? All Just Accepted manuscripts will eventually appear in a journal issue. It is possible that a Just Accepted manuscript will not be posted as an ASAP Article and instead go straight to a journal issue. The timing of receipt of Author corrected proofs determines whether an article is first posted as an ASAP Article or if it goes straight to issue. Is the Just Accepted manuscript the final scientific article of record? No, the Just Accepted manuscript is not the final scientific article of record. The ASAP Article is the final scientific article of record. The Just Accepted manuscript is removed from the Web site upon publication of the ASAP Article. What is a DOI and where can I find it? The Digital Object Identifier (DOI ) provides a means of persistently identifying a piece of intellectual property on a digital network and associating it with related current data in a structured extensible way. The ASAP Article has the same DOI as the Just Accepted manuscript. The DOI remains constant to ensure that citations to Just Accepted manuscripts link to the final scientific article of record when it becomes available. Just Accepted manuscripts sometime experience a short delay in DOI assignment. More details about DOIs are available here . Will all Just Accepted manuscripts have a Web posting date? Yes, all Just Accepted manuscripts will have a Web posting date. This date is the official publication date. Are Just Accepted manuscripts accessible to all readers? Yes, all readers have access to Just Accepted manuscripts. Individual users who do not have journal subscriptions will be asked to register for an ACS ID to view the full manuscripts in PDF. Can Authors correct errors after the Just Accepted manuscript has been posted to the Web? No. ACS Publications cannot revise the Just Accepted manuscript once it is posted to the Web. However, errors may be corrected by the Author while reviewing the manuscript galley proofs before the article is published to the Web as an ASAP Article or as part of a journal issue. ACS cannot be held responsible for errors or consequences arising from the use of information contained in Just Accepted manuscripts. Can Just Accepted manuscripts be cited? Yes, a Just Accepted manuscript can be cited by using the DOI. However, Just Accepted manuscripts should not be considered the final scientific article of record. Technical editing and/or manuscript galley proof corrections may introduce changes to the manuscript text and/or graphics that could affect content. How do I cite a Just Accepted manuscript? A Just Accepted manuscript can be cited by means of its DOI. A Just Accepted manuscript should be cited in the reference format of the journal with , DOI:10.1021/#########. Published online: month abbreviation, day, year in place of the volume and page numbers. For example: Author 1, Author 2, etc., Manuscript Title, Journal Name/Abbreviation , DOI: 10.1021/#########. Published online: Month abbreviation, day, year. OR Author 1, Author 2, etc., Journal Name/Abbreviation , DOI:10.1021/#########. Published online: Month abbreviation, day, year. Do Just Accepted manuscripts require the submission of an ACS Journal Publishing Agreement? Yes, a completed and signed ACS Journal Publishing Agreement is required as it is for all accepted manuscripts regardless of whether they will be posted as Just Accepted . Authors should complete the electronic Journal Publishing Agreement (or upload a PDF or TIFF version of the signed form) at the time of manuscript submission through ACS Paragon Plus. Manuscripts lacking completed and signed Journal Publishing Agreement forms will not be published as Just Accepted manuscripts. Is posting a manuscript as Just Accepted a means to comply with the NIH Public Access Mandate? No. Publishing a manuscript as Just Accepted is not a means by which to comply with the NIH Public Access Mandate. The ACS offers three options for authors to comply with this mandate (see http://pubs.acs.org/page/policy/nih/index.html ).
4726 次阅读|1 个评论
[转载]UCREL Technical Papers
carldy 2012-6-4 23:52
UCREL publishes a series of fully-refereed Technical Papers, under the general editorship of Andrew Wilson and Tony McEnery . These papers fall into two categories: (1) articles dealing with corpora and computational linguistics and (2) corpus manuals. Electronic versions of some of the volumes are available here for free download as PDF format. Simply click on the appropriate PDF icon. Prices refer to hardcopy by post. You can download the free Acrobat Reader from Adobe. Current List of Titles: Database Design for Corpus Storage: The ET10-63 Data Model. Tony McEnery and Beatrice Daille. 1993. 2.50 Corpora and Translation: Uses and Future Prospects. Tony McEnery and Andrew Wilson. 1993. 2.50 Towards an Integration of Content Analysis and Discourse Analysis: The Automatic Linkage of Key Relations in Text. Andrew Wilson. 1993. 2.50 Special Issue. Corpora in Language Education and Research: A Selection of Papers from Talc94 . Edited by Andrew Wilson and Tony McEnery. 10.00 Combined Approach for Terminology Extraction: Lexical Statistics and Linguistic Filtering. Béatrice Daille. 1995. 3.50 'Only Connect'. Critical Discourse Analysis and Corpus Linguistics . Gerlinde Hardt-Mautner. 1995. 2.50 The Evaluation of Multiple Post-Editors: Inter-Rater Consistency in Correcting Automatically Tagged Data. John Paul Baker. 1995. 2.50 Special Issue. Approaches to Discourse Anaphora: Proceedings of the Discourse Anaphora and Resolution Colloquium (DAARC96), edited by Simon Botley, Julia Glass, Tony McEnery and Andrew Wilson. 40.00 . Special Issue. Proceedings of Teaching and Language Corpora 1996. ( TALC96 ) eds. Simon Botley, Julia Glass, Tony McEnery and Andrew Wilson. 280 pages. 1996. ISBN 186220 013 1. 40.00 A Study of Text Typology: Multi-Feature and Multi-Dimensional Analyses. Kaoru Takahashi . 1997. 60 pages. ISBN 1 86220 035 1, 4.50 Special Issue. New Approaches to Discourse Anaphora: Proceedings of the Second Colloquium on Discourse Anaphora and Anaphor Resolution (DAARC2), edited by Simon Botley and Tony McEnery. 1998. 40.00 . Special Issue. Proceedings of the Discourse Anaphora and Reference Resolution Conference (DAARC2000), edited by Paul Baker, Andrew Hardie, Tony McEnery and Anna Siewierska. 2000. 40.00 . Special issue. Proceedings of the Corpus Linguistics 2001 conference, edited by Paul Rayson, Andrew Wilson, Tony McEnery, Andrew Hardie and Shereen Khoja . ISBN 1 86220 107 2. 2001. 40.00 . This is also available as a CDRom (containing PDF versions of the hardcopy) for 6.00 . Special issue. Proceedings of the Workshop on Corpus-Based and Processing Approaches to Figurative Language. Held in conjunction with Corpus Linguistics 2001 edited by John Barnden, Mark Lee and Katja Markert ISBN 1 86220 108 0. 2001. 10.00 The prosody of Please-requests: a corpus based approach. Anne Wichmann 2002. 24 pages. 3.50 Special issue. Proceedings of the Corpus Linguistics 2003 conference, edited by Dawn Archer, Paul Rayson, Andrew Wilson and Tony McEnery . ISBN 1 86220 131 5. 2003. 45.00 . This is also available as a CDRom (containing PDF versions of the hardcopy) for 10.00 . Special issue. Proceedings of the The Workshop on Shallow Processing of Large Corpora (SProLaC 2003) held in conjunction with the Corpus Linguistics 2003 conference, edited by Kiril Simov and Petya Osenova . ISBN 1-86220-134-X 2003. 5.00 . This volume is also available electronically via the organiser's website . The cover and contents page are also included there. Special issue. Proceedings of the Interdisciplinary Workshop on Corpus-Based Approaches to Figurative Language held in conjunction with the Corpus Linguistics 2003 conference, edited by John Barnden, Sheila Glasbey, Mark Lee, Katja Markert and Alan Wallington . ISBN 1-86220-147-1 2003. 5.00 . Printed and bound copies of these Technical Papers can be obtained, at the prices listed (plus postage), from: Technical Papers c/o Paul Rayson Director of UCREL Computing Department Infolab21, South Drive, Lancaster University LANCASTER, LA1 4WA United Kingdom Email: paul at comp.lancs.ac.uk Tel: +44 1524 510357 Fax: +44 1524 510492 Cheques in UK currency should be made payable to "Lancaster University". Some volumes are not out-of-print. We will aim to provide electronic versions instead, if this is suitable. Please contact the same address given above for up-to-date details of titles and availability, or e-mail, in this regard only, to one of the general editors: Andrew Wilson or Tony McEnery . or WATCH THIS SPACE! Abstracts Gerlinde Hardt-Mautner. 'Only Connect'. Critical Discourse Analysis and Corpus Linguistics. 1995.The methodology traditionally used in critical discourse analysis (CDA) is mainly qualitative and hence unwieldy to apply to larger corpora. Standard forms of quantification, on the other hand, involve elaborate classification and coding procedures that destroy the coherence of the original discourse. On the basis of examples from a research project dealing with newspaper language, this paper assesses the potential of concordancing as a research tool for CDA. It is argued that computer-aided analysis enables researchers to blend together qualitative and quantitative views of the data, and to look at a more representative corpus than they can when working manually. John Paul Baker. The Evaluation of Multiple Post-Editors: Inter-Rater Consistency in Correcting Automatically Tagged Data. 1995.The experiment investigated the hypothesis that using human post-editors to check automatically tagged corpora would introduce inconsistencies in the data. Nine experienced post-editors were given sentences of written and spoken data, which had previously been tagged by CLAWS, and asked to remove errors from the output. Once ambivalent words had been removed from the data, mean rater accuracy was found to be higher than the accuracy of CLAWS output (98.7% to 95.3%), while overall consistency between post-editors was 98%. As a result of the experiment, ambivalent cases were resolved through the incorporation of new guidelines. It was also found that if subjects made a slip, it would be highly likely to involve substituting or leaving a noun tag in the place of the correct tag. Kaoru Takahashi. A Study of Text Typology: Multi-Feature and Multi-Dimensional Analyses. 1997.This paper is concerned with text typology. The LOB Corpus, which is a million-word collection of British English texts, is addressed for the study of characterizing text types and identifying linguistic characteristics in each text type. By means of multivariate analysis, the variation of the occurrence of the assigned linguistic features among genre categories yields the classification and systematization of genre categories, and also makes it explicit to specify the characteristics of linguistic features among classified groups. The criteria of the classification are exclusively based on the dimensions which are statistically revealed by the multivariate analysis, and afterwards the groupings are interpreted linguistically. As a result of the analysis, two main dimensions, i.e., ``narrative versus non-narrative concern" and ``specification of content versus generalization of content" enable the classification of three groups among genre categories in the LOB Corpus. As the second stage of this paper, focussing on the tag sequences in the LOB Corpus, the research on text types shifts to the syntactic level. This is carried out by a similar statistical methodology, whereby the syntactic distinction between contrastive linguistic groups, i.e., fiction and exposition is made explicit. Lastly, I touch upon discourse analysis. The linguistic features concerning semantics, e.g., proper nouns, common nouns etc., enable more sophisticated classification of text types macroscopically. This paper concludes with a future plan of research concerning a multi-feature and multi-dimensional approach.
个人分类: 语言学探讨 Linguistics|2253 次阅读|0 个评论
与敖平继续讨论统计物理问题【3】
热度 1 Fangjinqin 2012-3-13 21:51
与敖平继续讨论统计物理问题【3】 欢迎网友一起参加讨论。 Dear Prof. Bi and Fang: In response to the inquiry for our construction of potential function in generic situations, here I list our key technical work here, which I didn't in my prevous message. The pdf of 2) is attached here, which deals with a situation most people in nonequilibrium thought not possible: Existence and construction of potential function in limit cycle dynamics. The potential function has all the properties in physics. As far as I know, this was also regarded impossible by Prigogine school (I would be happy to be corrected). 1) On the Existence of Potential Landscape in the Evolution of Complex Systems, P. Ao, C. Kwon, and H. Qian, Complexity 12 (2007) 19-27. http://arxiv.org/PS_cache/q-bio/pdf/0703/0703044v1.pdf 2) Limit Cycle and Conserved Dynamics, X.-M. Zhu, L. Yin, P. Ao, Int. J. Mod. Phy. B20 (2006) 817I h-827. http://ejournals.wspc.com.sg/journals/ijmpb/20/2007/S0217979206033607.html 3) Structure of Stochastic Dynamics near Fixed Points, C. Kwon, P. Ao, and D.J. Thouless, Proc. Nat’l Acad. Sci. (USA) 102 (2005) 13029-13033. http://www.pnas.org/content/102/37/13029.full.pdf+html 4) Potential in Stochastic Differential Equations: Novel Construction, P. Ao, J. Phys. A37 L25-L30 (2004). http://www.iop.org/EJ/abstract/0305-4470/37/3/L01/ Again, my intension here is not to argue which approach would be better. Rather, I wish to stimulate the research in China to seize a unique opportunity to make lasting contribution. My feeling is that, this is also the gaol in your 2010 paper on network science and statistical mechanics. Look forward to hearing your feedback. Best, Ao, Ping ----- 原始邮件 ----- 发件人: "ping ao" az5842@yahoo.com 收件人: "qiao bi" biqiao@gmail.com 抄送: "fang jinqing" fangjinqing@gmail.com , aoping@sjtu.edu.cn 发送时间: 星期二, 2012年 3 月 13日 下午 1:33:32 主题: Re: hi, ao ping Dear Prof. Bi: Thanks for your interesting questions. See my response in the context below. Ao, Ping From: qiao bi biqiao@gmail.com To: ping ao az5842@yahoo.com Sent: Tuesday, March 13, 2012 11:13 AM Subject: Re: hi, ao ping Hi, Prof. A. Ping, (1) I think the potential function is not only the Hamiltonian in the non-equilibrium situation, question is what is its rigorous math. and phys. meaning? Yes, it is rigorous math, with all the usual physics meaning. In fact, the latter is its big merit of our approach, comparing with those previous proposals. Could you give more clear description to it in the non-equilibrium situation? A good place to get a start on our approach is the paper sent you early: Emerging of Stochastic Dynamical Equalities and Steady State Thermodynamics from Darwinian Dynamics, P. Ao, Communications in Theoretical Physics 49 (2008) 1073-1090. http://ctp.itp.ac.cn/qikan/Epaper/zhaiyao.asp?bsid=2817 Let me know if you have any questions on it. (2) You said there is a candidate tentatively named Darwinian dynamics for non-equilibrium statistical physics , many thanks for your message and works although in this stage I am not sure about this, but I am interested to study. How about it is related to the negative entropy? As you may observe from above paper, the connection to the negative entropy ( not a good term in my opinion) should be simple, because both energy and usual entropy are naturally in our framework. Which kinds of parameters can generally determine the potential function in a non-equilibrium statistical system? There is NO need for additional parameters. There are lots of confusions in literature on non-equilibrium statistical system, which we can discuss more later. In our framework, potential function (or Hamilonian, depending on context) is a necessary concept to describe such systems. (3) About chaotic map related to the complex spectral decomposition of koopman operator which is not Hamiltonian operator, if there is no the concept of extension Hilbert space, the Feymann approaches could be very difficult, this may be a reason there seems be no one has done these before. So, I am not sure Feymann approach could do it except using some extension tech. of Hilbert space, if that sort of extension happens, that would be exact what I said meaning of "did correct calculation then get the same result", which implying "extension". Path integral can be, and have been extended, to discrete situations. It would be an interesting project for students to construct the potential function or Hamilotnian out of dynamical processes described by koopman operator. (4) But of course I don't think it is completely the same as subdynamics, but they may be the same in some crossing field. If you have great passion to study the both differences during recent time, that is welcome, but I would point out, I don't think the power of the Feymann approaches can be beyond any kind of (famous) projected operators approach such as Ziwanzig projected method, but the subdynamics is for beyond. Therefore for me here there is no big apple even if I can find some differences. I am sorry I said this, which seems too proud, and hope you could not misunderstand I am against you to do this or any no respect to the Feymann approaches, because I only want to point the fact that has been tried and done by the Brussels school in past 30 years. Several hundreds papers have been published, which should be evidences to allow you see the both differences if you have enough time. As far as I know, subdynamics has not yielded new physics predictions yet. Most work is on mathematics side. I can be wrong on this, due to my limited knowledge. Will be happy to be corrected. On the other hand, there are quite a few new predictions from Fyenman type description of subsystems. No, I am not keen to find the difference, either. One reason is that, when coming down to real physics problems, subdynamics usually involves approximations at very early stages. In conclusion, named Darwinian dynamics is more meaningful, I hope having further understanding and discussion with you, a nd hope subdynamics or some new progresses can in principle be tested experimentally from the Darwinian dynamics or evolutions . There are now new experiments to test some of our predictions. For example, as mentioned to you in previous messages, we predict that a new type stochastic integration is needed. A recent experiment does show that the usual Ito and Stratonovich types are not valid. Instead, a special case of prediction is valid. Best Wishes, Biqiao On Fri, Mar 9, 2012 at 10:39 PM, ping ao az5842@yahoo.com wrote: Dear Prof. Bi: Thanks for the good questions. (1). Potential function in our work is indeed, or play the samilar role as, the Hamiltonian in physics, whether or not in equilibirum or not. Because we need broader dynamical description, what we have shown is that, even in biological, social and other situations, "Hamiltonian" exists. Such existence guarantees that statistical mechanics type decription can be used in those fields, as, of course, people have been doing successfully so far, though they have not understood the keys yet. (2) I do not know your definition, hence I cannot say anthing. On the other hand, the potential function in our work is both dynamical and statonary quantity, exactly the same situation in usual physical systems. (3) I agree that Feynman type description has its advantages but I am no interested in defending such approach. I think it is most interest to see whether or not there are any differences in physics: For a given situation, whether or not two approaches would give different predictions. Or, they would be completely equivalent. From a physicist's pespective, I am not sure of the last point. For technical mathematical problems, such as you posted, can the Feymann approach solve complex spectral problems for chaotic maps? while I do not know anyone has done that, I believe the answer is yes, Feynman approach can do that. The reason for such assertation is actually simple: Feynman's path integral is a general mathematical framework. Again, I am more interested in situations which can in principle be tested experimentally. Ao, Ping From: qiao bi biqiao@gmail.com To: ping ao az5842@yahoo.com Sent: Saturday, March 10, 2012 5:21 AM Subject: Re: hi, ao ping Hi, Prof. A. Ping, (1) (1) The potential function is quite interested in the Darwinian dynamics, since it can consist of a formula for the canonical ensemble. I understand this formula is correct even for non-equilibrium states in the Darwinian dynamics. Could you give more clear description to the potential function? I believe it is just Hamiltonian in the equilibrium situation, but what is exact meaning in the non-equilibrium situation? (2) (2) I firstly guess: the potential function = the potential of information density, which may be related to my recently work (J. Phys. A in submission). But I hope this statement will be explained after I truly understand the potential function. (3) (3) Feymann types of approaches have advantages, especially to the quantum field system, but I believe that if we did correct calculations the subdynamics and the Feymann methods will give the same results. However, I said the correct calculation is not that kind easier, since it needs researchers to have enough skills to handle both sides. Many cases, because implied not correct calculation, we did the wrong result. Furthermore, subdynamics has introduced many new concepts, such as the extension Hilbert or Liouville space, the complex spectral decomposition, the similarity non-unitary transformation, and the differential kinetic equation to the projected density operator and so on, these new concepts have appeared in the subdynamics both in classical and quantum situations to lead it as a candidate to unify equilibrium and non-equilibrium statistics, while in the Feymann formalism my level cannot see this possibility. For example, can the Feymann approach solve complex spectral problems for chaotic maps? Subdynamics is useful to any linear operators not only Hamiltonian or Liouvillian. So in this period, for saving time, I suggest to first consider the Darwinian dynamics, because it may be more meaningful. I think you more know this. Best Wishes, Biqiao On Wed, Mar 7, 2012 at 10:55 PM, ping ao az5842@yahoo.com wrote: Dear Prof. Bi, Qiao: Let me know if you have not received the 6 paper which you are interested in. (2) The rigorous approach of Lebowitz and Feynman is completely based on (accepted) quantum mechanis. Indeed, it generates, in general, a differential and integral equation for sub-system dynamics. It would be interesting to know the samilarity and difference from the differential equation in your subdynamics. In particular, it would be great interest to see whether or not there are differences in physics predictions in some situations. If there would be no difference in physics, differential equations are indeed usually easier to handle than differential-integral equations. (3) Two Leggett's representative work in this direction are, if it may be helpful: A. O. Caldeira and A. J. Leggett, Ann. Phys. (N.Y) v.149, 374 (1983); A.J. Leggett, et al. Rev. Mod. Phys. v.59, 1 (1987) Unfortunately, I am not accessible to their pdf files right now. (4) My 1999 PRB paper with Zhu is on the correct treatment of vortex dynamics, sent you in previous message ( iii) paper ) . Nonlinear phenomena have emerging entities, such as topological defects (vortices, magenetic monopoles, fractional charges, etc) and solitons. In my experience, straightforward extension of Green's function from linear limit can be dangerous and can easily lead to incorrect results. Will be happy to discuss with you what I know. (5) Darvinian dynamics may be viable candidate for the foundation of nonequilibrium processes. It naturally contains the idea of (canonical) ensemble. In my view, the micro-canonical ensemble has nothing to do with stastical mechanics. It is pleasure to find an active group of scientists in China working on such fundamental and pratically very useful problems. Best, Ao, Ping
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[转载]Writing Technical Reviews
LiangliangNan 2012-2-13 18:12
Writing Technical Reviews In many professions, people give back to their community by doing volunteer work. In technical fields such as computer science, we volunteer our time by reviewing papers that are written by other researchers in our field. I recommend that you approach your reviews in this spirit of volunteerism. Sure, your reviews make you a gatekeeper in helping decide which papers are ready for publication. Just as important, however, is to provide feedback to the authors so that they may improve their work. Try to write your review in a way that the authors can benefit from your review. I like reading a paper and then thinking about it over the course of several days before I write my review. "Living" with a paper for a few days gives you time to make thoughtful decisions about it. This is the best way to come up with helpful suggestions for improving the paper. To do this, you need to carve out some time in your day to think about the paper that you are reviewing. The tone of your review is important. A harshly written review will be disregarded by the authors, regardless of whether your criticisms are true. If you take care, it is always possible to word your review diplomatically while staying true to your thoughts about the paper. Put yourself in the mindset of writing to someone you wish to help, such as a respected colleague who wants your opinion on a concept or a project. Here are some specific issues to keep in mind as you write your reviews: Short reviews are unhelpful to the authors and to other reviewers. If you have agreed to review a paper, you should take enough time to write a thoughtful and detailed review. Be specific when you suggest that the writing needs to be improved. If there is a particular section that is unclear, point it out and give suggestions for how it can be clarified. Don't give away your identity by asking the authors to cite several of your own papers. If you don't think the paper is right for the SIGGRAPH Technical Papers program, suggest other publication possibilities (journals, conferences, workshops) that would be a better match for the paper. Avoid referring to the authors by using the phrase "you" or "the authors." These phrases should be replaced by "the paper." Directly talking about the authors can be perceived as being confrontational, even though you do not mean it this way. Be generous about giving the authors new ideas for how they can improve their work. Your suggestions may be very specific (for example, "this numerical solver would be better for your application") or may be more general in nature. You might suggest a new dataset that could be tried, or a new application area that might benefit from their tool. You may tell them how their idea can be generalized beyond what they have already considered. A thoughtful review not only benefits the authors, but may well benefit you, too. Remember that your reviews are read by other reviewers, including several who know your identity. Being a helpful reviewer will generate good will toward you in the research community. Greg Turk, March 2008
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[转载]科学论文写作十戒律
热度 1 cdcldb4595 2011-10-24 16:50
(Ten Commandments for technical writers. Science. 121.567)In 1955 at the Conference on Scientific Editorial Problems,Elmer W.Shaw outlined ten commandments for technical writers,based on the views expressed by the various speakers on the subject(15 April,1955 Science).Authors of scientific papers would do well to keep them constantly in mind:1 Thou shalt remember thy readers all the days of thy life; for without readers thy words are as naught2 Thou shalt not forsake the time-honoured virtue of simplicity.3 Thou shalt not abuse the third person passive.4 Thou shalt not dangle thy participles;neither shalt thou misplace thy modifiers.5 Thou shalt not commit monotony.6 Thou shalt not cloud thy message with a miasma of technical jargon.7 Thou shalt not hide the fruits ot thy research beneath excess verbiage,neither shalt thou obscure thy conclusions with vague generalities.8 Thou shalt not resent helpful advice from thy editors,reviewers,and critics.9 Thou shalt consider also the views of the layman,for his is an insight often unknown to technocrats.10 Thou shalt write and rewrite without tiring,for such is the key to improvement.A revised edition of the above would have to include 'thou shalt not wantonly curtail words or phrases'as the indiscriminate use of abbreviations should be avoided.在1955年召开的"科学编辑问题会议"上Shaw E W根据各位发言人对科技论文撰写的不同看法综合概括为十条戒律,并发表在当年4月15日科学(Science)杂志上,所有科技论文作者经常牢记这十戒必有裨益。 1 你须终此一生与读者为念,若无读者,你之论文亦无意义;2 你不应抛弃简雅之优点3 你不可滥用第三人称被动式;4 你切不可卖弄汝之分词;也不可错置修饰词;5 你之论文最忌单调枯躁乏味;6 你不可使用艰深晦涩之专业术语使文章迷茫难解; 7 你不可使用累牍之赘语糟粕掩盖研究之精华,勿令模糊概念使结论难为人解;8 你勿忌恨编者、评论者和批评者有益之见;9 你须慎思门外汉之见解,缘其常具专家所无之识;10 你须不厌其烦,一写再写,此乃论文改进提高之关键也。 除此十条外,还应加上一条,"你不可任意缩减单词或短语",亦应避免滥用缩略语。 摘译自:Cuschieri.A.and Baker.P.R .(1977) Introduction to Research in Medical Sciences. Churchill Livingstone Edinburgh London and New York.
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(UC Berkeley EECS)Technical Reports - 2009
huangfuqiang 2009-12-20 10:35
An Extensible and Retargetable Code Generation Framework for Actor Models (EECS-2009-187) Man-Kit Leung Exploiting Interference through Algebraic Structure (EECS-2009-186) Bobak Anthony Nazer Protecting Browsers from Extension Vulnerabilities (EECS-2009-185) Adam Barth, Adrienne Porter Felt, Prateek Saxena and Aaron Boodman Design of a communicatio system for (EECS-2009-184) Simone Gambini, Jan M. Rabaey and Elad Alon Improving MapReduce Performance in Heterogeneous Environments (EECS-2009-183) Andrew Konwinski MOSFET Replacement Devices for Energy-Efficient Digital Integrated Circuits (EECS-2009-182) Hei Kam Predicting and Optimizing System Utilization and Performance via Statistical Machine Learning (EECS-2009-181) Archana Sulochana Ganapathi Accurate Real-Time Reconstruction of Distant Scenes Using Computer Vision: The Recursive Multi-Frame Planar Parallax Algorithm (EECS-2009-180) Todd Templeton Re-architecting DRAM with Monolithically Integrated Silicon Photonics (EECS-2009-179) Scott Beamer, Chen Sun, Yong-jin Kwon, Ajay Joshi, Christopher Batten, Vladimir Stojanovic and Krste Asanovi? 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Hellerstein, David Maier and Russell C Sears Preliminary Studies on de novo Assembly with Short Reads (EECS-2009-172) Nanheng Wu Biomimetic, Polymeric Transistor-based Biosensor Technology (EECS-2009-171) Jim Chih-Min Cheng Design, Implementation and Evaluation of a Storage System for Delay-Tolerant Networks (EECS-2009-170) Bowei Du Sparse signal recovery using sparse random projections (EECS-2009-169) Wei Wang Automatically Tuning Collective Communication for One-Sided Programming Models (EECS-2009-168) Rajesh Nishtala A Methodology for Robust System-Level Design: Theoretical Foundations and Preliminary Case-Study (EECS-2009-167) Pierluigi Nuzzo and Alberto L. Sangiovanni-Vincentelli W-BOOM: a Framework for Automatic Management of Wireless Sensor Networks in Building Automation and Control (EECS-2009-166) Pierluigi Nuzzo, Alessandro Pinto and Alberto L. Sangiovanni-Vincentelli Optoelectronic Manipulation, Assembly, and Patterning of Nanoparticles (EECS-2009-165) Arash Jamshidi and Ming C. Wu Contributions to the Study of Autonomous Chaotic Circuits and Cellular Automata (EECS-2009-164) Bharathwaj Muthuswamy 0.35 m CMOS PROCESS ON SIX-INCH WAFERS, Baseline Report VII. (EECS-2009-163) Laszlo Petho From Spiral to Spline: Optimal Techniques in Interactive Curve Design (EECS-2009-162) Raphael Linus Levien Performance Analysis of a 1-bit Feedback Beamforming Algorithm (EECS-2009-161) Sherman Ng and Mark Johnson Statistics-Driven Workload Modeling for the Cloud (EECS-2009-160) Archana Sulochana Ganapathi, Yanpei Chen, Armando Fox, Randy H. Katz and David A. Patterson Fast and Accurate Digit Classification (EECS-2009-159) Subhransu Maji and Jitendra Malik Nexus: A Common Substrate for Cluster Computing (EECS-2009-158) Benjamin Hindman, Andrew Konwinski, Matei Zaharia, Ali Ghodsi, Anthony D. Joseph, Scott Shenker and Ion Stoica Dynamic Test Generation for Large Binary Programs (EECS-2009-157) David Alexander Molnar Implementing Memristor Based Chaotic Circuits (EECS-2009-156) Bharathwaj Muthuswamy Transforming Community-based Healthcare with CommScape (EECS-2009-155) Kuang Chen, Kurtis Heimerl, Tapan Parikh, Christine Robson and Beth Trushkowsky Framework for Body Sensor Networks (EECS-2009-154) Sameer Iyengar Exploring a Centralized/Distributed Hybrid Routing Protocol for Low Power Wireless Networks and Large Scale Datacenters (EECS-2009-153) Arsalan Tavakoli Spline Knots and Their Control Polygons With Differing Knottedness (EECS-2009-152) Carlo H. Squin Finite State Machines and Modal Models in Ptolemy II (EECS-2009-151) Edward A. Lee YAMR: Yet Another Multipath Routing Protocol (EECS-2009-150) Igor Anatolyevich Ganichev, Dai BIn, Philip Brighten Godfrey and Scott Shenker Fun with a Deadline Instruction (EECS-2009-149) Martin Schoeberl, Hiren D. Patel and Edward A. Lee On Distributed Discrete Event Execution on Chip-Multiprocessors (EECS-2009-148) Dai Bui, Hiren Patel and Edward A. Lee Convex Channel Design for Improved Capacitorless DRAM Retention Time (EECS-2009-147) Min Hee Cho, Changhwan Shin and Tsu-Jae King Liu Internet Enabled Personal Choice - The Culmination of Domesticated Information and Communication Technologies (EECS-2009-146) Yanpei Chen and Xinrong Zhang Privacy Scope: A Precise Information Flow Tracking System For Finding Application Leaks (EECS-2009-145) Yu Zhu, Jaeyeon Jung, Dawn Song, Tadayoshi Kohno and David Wetherall Querying Uncertain Data in Resource Constrained Settings (EECS-2009-144) Alexandra Meliou Compositionality in Synchronous Data Flow: Modular Code Generation from Hierarchical SDF Graphs (EECS-2009-143) Stavros Tripakis, Dai Bui, Bert Rodiers and Edward A. Lee Communication and Third Parties: Costs, Cues, and Confidentiality (EECS-2009-142) Krish Eswaran Enabling Innovation Below the Communication API (EECS-2009-141) Ganesh Ananthanarayanan, Kurtis Heimerl, Matei Zaharia, Michael Demmer, Teemu Koponen, Arsalan Tavakoli, Scott Shenker and Ion Stoica Power Optimization a Reality Check (EECS-2009-140) Stephen Dawson-Haggerty, Andrew Krioukov and David E. Culler A Survey of Firefox Extension API Use (EECS-2009-139) Adrienne Porter Felt Algorithms for Green Buildings: Learning-Based Techniques for Energy Prediction and Fault Diagnosis (EECS-2009-138) Daniel Holcomb, Wenchao Li and Sanjit A. Seshia Optimization and Incentives in Communication Networks (EECS-2009-137) Libin Jiang MapReduce Online (EECS-2009-136) Tyson Condie, Neil Conway, Peter Alvaro, Joseph M. Hellerstein, Khaled Elmeleegy and Russell Sears Time-centric Models For Designing Embedded Cyber-physical Systems (EECS-2009-135) John C. Eidson, Edward A. Lee, Slobodan Matic, Sanjit A. Seshia and Jia Zou Design and Modeling of 60-GHz CMOS Integrated Circuits (EECS-2009-134) Chinh Huy Doan Binary Code Extraction and Interface Identification for Security Applications (EECS-2009-133) Juan Caballero, Noah M. Johnson, Stephen McCamant and Dawn Song Path Slicing per Object for Better Testing, Debugging, and Usage Discovery (EECS-2009-132) Sudeep Juvekar, Jacob Burnim and Koushik Sen Virtual Local Stores: Enabling Software-Managed Memory Hierarchies in Mainstream Computing Environments (EECS-2009-131) Henry Cook, Krste Asanovi? and David A. Patterson Quantitative Analysis of Embedded Software Using Game-Theoretic Learning (EECS-2009-130) Sanjit A. Seshia and Alexander Rakhlin Contour Detection and Image Segmentation (EECS-2009-129) Michael Randolph Maire A System-level Approach to Fault and Variation Resilience in Multi-core Die (EECS-2009-128) Yury Markovskiy Weigh-In-Motion System Using a MEMS Accelerometer (EECS-2009-127) Ravneet Bajwa and Pravin Varaiya A Distributed CSMA Algorithm for Throughput and Utility Maximization in Wireless Networks (EECS-2009-124) Libin Jiang and Jean Walrand Applications of Ribbed Surfaces (EECS-2009-123) James Hamlin Angelic Hierarchical Planning: Optimal and Online Algorithms (Revised) (EECS-2009-122) Bhaskara Marthi, Stuart J. Russell and Jason Wolfe Information in the Local Field Potential: Implications for Brain-Machine Interfaces (EECS-2009-121) Gireeja Ranade Declarative Information Extraction in a Probabilistic Database System (EECS-2009-120) Daisy Zhe Wang, Eirinaios Chrysovalantis Michelakis, Michael Franklin, Joseph M. 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Lee On-time Network On-Chip: Analysis and Architecture (EECS-2009-59) Dai Bui, Alessandro Pinto and Edward A. Lee Emulating Emulation-Resistant Malware (EECS-2009-58) Min Gyung Kang, Heng Yin, Steve Hanna, Stephen McCamant and Dawn Song Bidirectional Protocol Reverse Engineering: Message Format Extraction and Field Semantics Inference (EECS-2009-57) Juan Caballero, Pongsin Poosankam, Christian Kreibich and Dawn Song CAD Tools for Creating Space-filling 3D Escher Tiles (EECS-2009-56) Mark Howison Job Scheduling for Multi-User MapReduce Clusters (EECS-2009-55) Matei Zaharia, Dhruba Borthakur, Joydeep Sen Sarma, Khaled Elmeleegy, Scott Shenker and Ion Stoica Fast Filter Spreading and its Applications (EECS-2009-54) Todd Jerome Kosloff, Justin Hensley and Brian A. Barsky Efficient Motor Control Learning (EECS-2009-53) Gregory Donnell Lawrence Measuring Empirical Computational Complexity (EECS-2009-52) Simon Fredrick Goldsmith Analysis and Optimization of Monolithic RF Downconversion Receivers (EECS-2009-51) Christopher D. Hull Revision of a Non-Preemptive EDF Packet Scheduling Algorithm (EECS-2009-50) Dai Bui A Practical Theory of Micro-Solar Power Sensor Networks (EECS-2009-49) Jaein Jeong Veri?able Order Statistics for Secure Aggregation (EECS-2009-48) Hsu-Chun Hsiao, Chih-Yuan Wang, Joseph M. Hellerstein, Wei-Chung Teng and Chin-Laung Lei Measuring Channel Capacity to Distinguish Undue Influence (EECS-2009-47) James Newsome, Stephen McCamant and Dawn Song On Invariants to Characterize the State Space for Sequential Logic Synthesis and Formal Verification (EECS-2009-46) Mike Case Fast Approximate Spectral Clustering (EECS-2009-45) Donghui Yan, Ling Huang and Michael Jordan Lightweight Annotations for Controlling Sharing in Concurrent Data Structures (EECS-2009-44) Zachary Ryan Anderson, David Gay and Mayur Naik Convergence and Stability of a Distributed CSMA Algorithm for Maximal Network Throughput (EECS-2009-43) Libin Jiang and Jean Walrand Checking Equivalence of SPMD Programs Using Non-Interference (EECS-2009-42) Roberto Lublinerman and Stavros Tripakis On the Computational Complexity of Satisfiability Solving for String Theories (EECS-2009-41) Susmit Kumar Jha, Sanjit A. Seshia and Rhishikesh Shrikant Limaye C2Cfs: A Collective Caching Architecture for Distributed File Access (EECS-2009-40) Andrey Ermolinskiy and Renu Tewari Compact Implementation of Distributed Inference Algorithms for Network (EECS-2009-39) Ashima Atul Automatic Synthesis for Distributed Systems (EECS-2009-38) Yang Yang Approaching Throughput-optimality in a Distributed CSMA Algorithm with Contention Resolution (EECS-2009-37) Libin Jiang and Jean Walrand Extracting Models of Security-Sensitive Operations using String-Enhanced White-Box Exploration on Binaries (EECS-2009-36) Juan Caballero, Stephen McCamant, Adam Barth and Dawn Song Image Augmented Laser Scan Matching for Indoor Localization (EECS-2009-35) Nikhil Naikal, Avideh Zakhor and John Kua Loop-Extended Symbolic Execution on Binary Programs (EECS-2009-34) Prateek Saxena, Pongsin Poosankam, Stephen McCamant and Dawn Song Dynamic Scenes and Camera Networks (EECS-2009-33) Marci Lenore Meingast PTIDES on Flexible Task Graph: Real-Time Embedded System Building from Theory to Practice (EECS-2009-31) Jia Zou, Joshua Auerbach, David F. Bacon and Edward A. Lee Computing Needs Time (EECS-2009-30) Edward A. Lee Communication-optimal Parallel and Sequential Cholesky decomposition (EECS-2009-29) Grey Ballard, James Demmel, Olga Holtz and Oded Schwartz Above the Clouds: A Berkeley View of Cloud Computing (EECS-2009-28) Michael Armbrust, Armando Fox, Rean Griffith, Anthony D. Joseph, Randy H. Katz, Andrew Konwinski, Gunho Lee, David A. Patterson, Ariel Rabkin, Ion Stoica and Matei Zaharia Maximizing Performance in Long Distance Wireless Networks for Developing Regions (EECS-2009-27) Sergiu Nedevschi Human Factors in Web Authentication (EECS-2009-26) Chris K. Karlof Millimeter - Wave CMOS Power Amplifiers Design (EECS-2009-25) Mounir Youssef Bohsali Constructing grammar: A computational model of the emergence of early constructions (EECS-2009-24) Nancy Chih-Lin Chang Energy Efficient Wireless Transmitters: Polar and Direct-Digital Modulation Architectures (EECS-2009-22) Jason Thaine Stauth and Seth R. Sanders A Graphical Modeling Viewpoint on Queueing Networks (EECS-2009-21) Charles Sutton and Michael Jordan A Synthetic Inductor Implementation of Chua's Circuit (EECS-2009-20) Bharathwaj Muthuswamy, Tamara Blain and Kyle Sundqvist Compile Time Task and Resource Allocation of Concurrent Applications to Multiprocessor Systems (EECS-2009-19) Nadathur Rajagopalan Satish A Statistical Flicker Noise Analytical Model in Scaled Bulk MOSFETs (EECS-2009-18) Tianjiao Zhang Co-training with Noisy Perceptual Observations (EECS-2009-17) C. 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个人分类: 其它方面|6015 次阅读|0 个评论
使科技写作更易读懂的十种方法
热度 1 wangyk 2009-10-29 17:04
王 应 宽 2009-10-29 UTC-6 CST UMN, St Paul 博主按: 本人最近在明尼苏达大学图书馆借阅了一些关于科技论文写作的书籍。觉得有些内容好,对写作很有帮助,于是在阅读时做了一些读书笔记。准备陆续将自认为有用的内容与大家分享。本文所摘录的使你的写作更易读懂的十种方法,将从选词构句的微观操作层面,指导作者如何进行有效的科技论文写作,如何修改完善文字写作和语言表达。转贴于此,希望对改进作者的英文写作有所裨益。 内容出处: Birgitta Malmfors, Phil Garnsworthy, Michael Grossman. Writing and Presenting Scientific Papers. First edition. Norttingham University Press, Norttingham, UK, First published in 2000. P133. 使科技写作更易读懂的十种方法 Ten Ways to Make Your Writing Easier to Read 1 Choice of words Use words that are accurate-that mean what you want to say; words that are appropriate-that fit with well with other words in the paper; and words that are familiar-that are easy to read and understand. Use specific, concrete words; they are easier to understand and to remember. When you have something simple to say, say it simply. Use the word that conveys your meaning most accurately, but when deciding between two such words, choose the shorter, more common word. There are exceptions to that rule, however. Use a long word if it is the only word that expresses your meaning accurately, if it is more familiar than a short word, if its connotations are more appropriate, or if scientists in your discipline prefer it. For example: Instead of Use Ameliorate improve Approximately about Commence begin Enumerate list Finalize finish, complete Prioritize rank Utilize use Viable option choice Your choice of words is important! 2 Avoid jargon Use technical words and expressions (jargon) only when the terms are essential and familiar to the reader. Otherwise, avoid the use of jargon because it is difficult to understand. Instead, use a simpler plain language equivalent, even when the equivalent expression is longer. 3 Use active verbs and avoid passive verbs A verb is active when the subject does the action. A verb is passive when the subject is acted upon. To identify a passive verb in a sentence, look for a form of the verb to be followed with by. For example, This method was recommended by them is passive, whereas They recommended this method is active. A sentence that uses an active verb is shorter and clearer; more interesting and less boring; more direct because it emphasizes the subject; more forceful; takes less time to read and is easier to understand; and sounds less pompous and bureaucratic. Passive verbs are desirable to provide coherence within a paragraph , i.e. to provide transitions between sentences by repeating a word. For example, These problems ended with the discovery of penicillin. Penicillin now could be used by A sentence is easier to read if old information comes at the beginning of a sentence. Start one sentence with the idea that ended the previous sentence, even if it means using a passive verb. It is desirable also to use the passive verb in the following situations: to emphasize the receiver of the action , e.g. Waston and Crick were awarded the Nobel Prize; to avoid assigning blame , e.g. It is known that there are errors associated with field data; or omit an unknown or irrelevant agent, e.g. The petri dish was warmed slightly. 4 Use strong verbs-not nouns Put the weight of the sentence in the verb. Strong verbs make sentence more forceful and easier to read. Instead of writing, We performed an analysis of the data, it is more forceful to write, We analyzed the data. Nouns ending in ment, -ion, and -al often hide the verb. For example: Instead of Use Make an adjustment adjust Perform an analysis analyze Provide assistance assist Reach a conclusion conclude Take into considerationconsider Make a decision decide Perform an investigation investigate Give a description of describe 5 Tighten your writing If the same idea can be expressed in fewer words, then the writing is wordy. Wordy writing bores the reader and makes it difficult for the reader to understand what you mean. Good writing is tight, and tight writing allows you to convey more information. Tight writing is important, especially when you have to write an abstract with strict limits on the numbers of words or characters allowed. To tighten your writing, follow these strategies: Eliminate redundant words whose meaning is already clear. E.g. a period of three months, during the course of the experiment, during the year 2008; maximum possible; past experience; plan in advance; refer back; the colour blue; true facts; repeat again. Eliminate the words that say nothing E.g. it is interesting to note that; quite; really; rather; the (especially with plurals); very (if it substitutes for damn!) Use infinitives (the to form of the verb; e.g. to run) and gerunds (the ing form of a verb; e.g. running) to make a sentence smoother and shorter. Combine sentences to eliminate unnecessary words and to focus attention on key points Put the main idea of your sentence into the subject and verb to reduce the number of words Think about what you mean to say, write it in different ways, and choose the tightest one. Phrases beginning with of, which, or that often can be shortened. Instead of writing, The estimates of the parameters were, it is shorter to write, Parameter estimates were Sentences beginning with There are or It is can often be tightened. Instead of writing, There are three reasons for these results, it is tighter (and stronger) to write, Three reasons for these results are. Substitute a single word for a wordy phrase. For example: Instead of using Use At the present time now Due to the fact that because (Not since) It may be that perhaps In the event that if In the near future soon Prior to the start of before On a regular basis regularly A second point is secondly More often than not usually Would seem to suggest suggests One of the problems one problem In spite of the fact that although, despite, or nevertheless On two separate occasionstwice Were found to be in agreement agree Take into considerationconsider Carry out experiments experiment It is obvious that obviously 6 Sentence length and sentence structure Keep sentences short and simple. Simple sentences have one main idea. Compound sentences have two main ideas that are closely related, and they are joined with conjunctions such as and, but , or or . Complex sentences have one main idea and one subordinate idea related logically, e.g. If, then. Always edit sentences for tightness, but use long sentences to link ideas; to avoid a series of short, choppy sentences; or to reduce repetition. When using long sentences, keep the subject and verbs close together by putting modifying material at the end of the sentence. Instead of starting a sentence with a reference to some previous research, for example, start with the main finding of the research and place the reference at the end of the sentence. Strive to put the most important idea early in the sentence. 7 Use parallel structure Use the same grammatical form or consistent pattern for ideas that have the same logical function. Parallel structure makes writing smoother, more forceful, and easier to understand, especially when used for a list of or series of ideas. Be sure that each item in the list begins or ends with the proper word form. Parallel structure is especially useful when writing results and the discussion. Once you decide on the form of the structure to present the result for one variable, say, use the same pattern to present results for other variables; simply copy, paste, and revise the text. Having mastered the result for one variable, the reader can see the pattern and can understand results easily for other variables. 8 Use transactions to link ideas Transition words and phrases (e.g. and, during, or for example) signal connections between ideas. Transitions tell the reader if the text sentence continues the previous idea or starts a new one. They tell the reader whether the idea that comes next is more or less important than the previous one. Transitions are used also to introduce an example, to compare or contrast ideas, to summarize or end. The following are examples of Transition words and phrases: To show addition or continuation of the same idea: And, in addition, also, likewise, first, second, third, similarly To introduce the last or most important item: Finally, moreover, furthermore To introduce an example: For example (e.g.), for instance, to illustrate, namely, indeed, specifically To contrast: In contrast, on the other hand, or, whereas To show that the contrast is more important than the previous idea: But, nevertheless, however, on the contrary To show the cause and effect: As a result, for this reason, because, therefore, consequently To show time: After, next, as, then, before, until, during, when, in the future, while, since To summarize: In conclusion, to summarize, to sum up, to conclude, in one word, in short 9 Write coherently Coherence refers to the logical sequence of sentences within a paragraph. Just as you should begin a sentence with the subject, which states the main idea of that sentence, you should begin a paragraph with a topic sentence, which states the main idea of that paragraph and provides structure to the paper. A good topic sentence forecasts the reader the content of the paragraph and holds the paragraph together. A paragraph that lacks a topic sentence lacks unity. If a paragraph contains more than one main idea, consider linking ideas with a transition sentence. Otherwise, consider splitting the paragraph into more than one. To improve coherence within a paragraph, discuss only one idea, or one topic, at a time. Use the same organizational pattern for successive sentences. Use parallel structure for the main subjects and main verbs. Tell the reader what to expect, e.g. There are two problems with this method: the first is, and the second is; then go on to elaborate on the problems. 10 Make your logic clear Write what you really mean to say and write it logically! If you have difficulty putting an idea onto paper, say What I really mean to say is, and write the words you mean to say. Once the words are on paper, you can revise them. Above all, make sure what you write is coherent and makes clear, logical and scientific sense!
个人分类: 论文撰写与发表|7343 次阅读|2 个评论
Harvard Computer Science Technical Reports
huangfuqiang 2009-5-19 14:30
来源: ftp://ftp.deas.harvard.edu/techreports/tr.html Title, author, and abstract information for technical reports from the Harvard Computer Science program from 1987 to date are indexed below. Many, especially since 1994, include pointers to the on-line papers themselves. In addition, Harvard technical reports are indexed through the Unified Computer Science Technical Report Index , which also includes keyword searching capability. To obtain copies of technical reports not available directly through this WWW service, contact Gordon McKay Library ( library@seas.harvard.edu ). Last update: April 23, 2009 11:08:04 am. 1987 reports 1988 reports 1989 reports 1990 reports 1991 reports 1992 reports 1993 reports 1994 reports 1995 reports 1996 reports 1997 reports 1998 reports 1999 reports 2000 reports 2001 reports 2002 reports 2003 reports 2004 reports 2005 reports 2006 reports 2007 reports 2008 reports 2009 reports
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