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簡(jiǎn)介:年產(chǎn)33萬(wàn)噸硝酸生產(chǎn)工藝設(shè)計(jì)1目錄一、綜述26二、生產(chǎn)流程的確定67三、生產(chǎn)流程簡(jiǎn)述711四、物料衡算1214五、主要設(shè)備選型1417六、原材料、動(dòng)力消耗1719七、“三廢”的處理1921八、參考文獻(xiàn)22年產(chǎn)33萬(wàn)噸硝酸生產(chǎn)工藝設(shè)計(jì)3一、綜述一、綜述1、概述概述純硝酸是無(wú)色的液體,其相對(duì)密度1522,沸點(diǎn)834℃,熔點(diǎn)415℃。工業(yè)產(chǎn)品往往含有NO2,所以略帶黃色,硝酸可以和任意體積的水混合,并放出熱量。硝酸是強(qiáng)酸之一,也是強(qiáng)氧化劑,除金、鉑及一些稀有金屬外,各種金屬都能與稀硝酸作用生成硝酸鹽;由濃硝酸與鹽酸按13(體積比)組成的混合液成為“王水”,能溶解金和鉑。合成氨工業(yè)和硝酸的生產(chǎn)密切相關(guān),氨和空氣混合后,通過(guò)鉑銠合金網(wǎng)(催化劑)便被氧化為一氧化氮。一氧化氮進(jìn)一步轉(zhuǎn)變?yōu)槎趸?,二氧化氮與水作用變成硝酸。硝酸是一種重要的化工原料,在各類酸中,產(chǎn)量?jī)H次于硫酸,工業(yè)硝酸依HNO3含量多少分為濃硝酸9698和稀硝酸4570。稀硝酸大部分用于制造硝酸銨、硝酸磷肥和各種硝酸鹽;濃硝酸主要用于國(guó)防工業(yè),是生產(chǎn)三硝基甲苯TNT、硝化纖維、硝化甘油等的主要原料。生產(chǎn)硝酸的中間產(chǎn)物液體四氧化二氮是火箭、導(dǎo)彈發(fā)射的高等原料。硝酸還廣泛用于有機(jī)合成工業(yè);用硝酸將苯硝化并經(jīng)還原制得苯胺;用硝酸氧化苯可制造鄰苯二甲酸,均用于染料生產(chǎn)。此外,制藥、塑料、有色金屬冶煉等方面都需要用到硝酸。由此可知,硝酸工業(yè)、在國(guó)民經(jīng)濟(jì)、國(guó)防工業(yè)和航天事業(yè)中占有重要地位,根據(jù)國(guó)家原石油和化學(xué)工業(yè)局1998年統(tǒng)計(jì)報(bào)告,目前
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簡(jiǎn)介:北京科技大學(xué)遠(yuǎn)程與成人教育學(xué)院北京科技大學(xué)遠(yuǎn)程與成人教育學(xué)院畢業(yè)設(shè)計(jì)(論文)畢業(yè)設(shè)計(jì)(論文)題目實(shí)用網(wǎng)站的設(shè)計(jì)與實(shí)現(xiàn)學(xué)習(xí)中心北京ITET培訓(xùn)中心專業(yè)計(jì)算機(jī)科學(xué)與技術(shù)年級(jí)0802姓名劉吉惠畢業(yè)設(shè)計(jì)(論文)畢業(yè)設(shè)計(jì)(論文)題目網(wǎng)站的設(shè)計(jì)與實(shí)現(xiàn)網(wǎng)站的設(shè)計(jì)與實(shí)現(xiàn)第3頁(yè)共20頁(yè)目錄引言411網(wǎng)站域名的注冊(cè)與使用412網(wǎng)站建設(shè)的相關(guān)軟件513網(wǎng)站的規(guī)劃設(shè)計(jì)5131網(wǎng)站的欄目設(shè)計(jì)6132確定網(wǎng)站的框架614網(wǎng)頁(yè)基本構(gòu)成元素7一、建站須知81、確定主題82、選擇空間83、網(wǎng)站設(shè)計(jì)要點(diǎn)84、在本地搭建網(wǎng)站服務(wù)器平臺(tái)8二、個(gè)人網(wǎng)頁(yè)的制作101、用PHOTOSHOP完成網(wǎng)頁(yè)設(shè)計(jì)102DREAMWEAVER完成網(wǎng)頁(yè)制作103、制作時(shí)應(yīng)注意事項(xiàng)16三、網(wǎng)站的上傳17總結(jié)19
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簡(jiǎn)介:JIANGSUUNIVERSITY本科畢業(yè)論文基于WEB的超市管理系統(tǒng)的設(shè)計(jì)和實(shí)現(xiàn)DESIGNANDIMPLEMENTATIONOFTHESUPERMARKETMANAGEMENTSYSTEMBASEDONWEB專業(yè)班級(jí)基于WEB的超市管理系統(tǒng)的設(shè)計(jì)和實(shí)現(xiàn)專業(yè)班級(jí)學(xué)生姓名指導(dǎo)教師職稱摘要摘要計(jì)算機(jī)科技技術(shù)在不斷發(fā)展,人們對(duì)于計(jì)算機(jī)的依賴越來(lái)越強(qiáng),尤其是利用計(jì)算機(jī)去開(kāi)發(fā)數(shù)據(jù)庫(kù)以及數(shù)據(jù)管理系統(tǒng),在生活應(yīng)用中表現(xiàn)得更加突出。當(dāng)今世紀(jì),超市的規(guī)模發(fā)展在逐漸擴(kuò)大,人們對(duì)商品數(shù)量的需求急劇增加。傳統(tǒng)的柜臺(tái)經(jīng)營(yíng)模式已經(jīng)滿足不了商品流動(dòng)量迅速膨脹的要求和銷(xiāo)售商品的多元化。復(fù)雜化的超市管理系統(tǒng),激烈的競(jìng)爭(zhēng)都需要較高的辦事效率,超市管理的信息化對(duì)大型超市的發(fā)展起著不可忽視的作用,有關(guān)商品的各種信息量也成倍增長(zhǎng)。超市時(shí)時(shí)刻刻都需要對(duì)商品各種信息進(jìn)行統(tǒng)計(jì)分析本文設(shè)計(jì)了超市管理系統(tǒng),它主要包含以下幾個(gè)模塊進(jìn)貨管理、庫(kù)存管理、銷(xiāo)售管理、人員管理、系統(tǒng)管理,從而,實(shí)現(xiàn)對(duì)進(jìn)貨、銷(xiāo)售及員工信息等實(shí)現(xiàn)全面、動(dòng)態(tài)、及時(shí)的管理。通過(guò)使用超市進(jìn),銷(xiāo),存管理系統(tǒng),從而使得超市的管理工作更加系統(tǒng)化、規(guī)范化、自動(dòng)化、簡(jiǎn)易化、智能化。本文系統(tǒng)的分析了軟件開(kāi)發(fā)的背景以及過(guò)程,首先介紹了軟件的開(kāi)發(fā)環(huán)境,其次介紹了本軟件的詳細(xì)設(shè)計(jì)過(guò)程數(shù)據(jù)庫(kù)的設(shè)計(jì)、各個(gè)模塊的設(shè)計(jì)和實(shí)現(xiàn),以及具體界面的設(shè)計(jì)和功能。關(guān)鍵詞關(guān)鍵詞進(jìn)銷(xiāo)存、效率、規(guī)模、超市管理系統(tǒng);
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簡(jiǎn)介:中小型企業(yè)局域網(wǎng)組建摘要迅速發(fā)展的INTERNET正在對(duì)全世界的信息產(chǎn)業(yè)帶來(lái)巨大的變革和深遠(yuǎn)的影響。市場(chǎng)的全球化競(jìng)爭(zhēng)已成為趨勢(shì)。對(duì)于企業(yè)來(lái)說(shuō),在調(diào)整發(fā)展戰(zhàn)略時(shí),必須考慮到市場(chǎng)的全球競(jìng)爭(zhēng)戰(zhàn)略,而這一切也將以信息化平臺(tái)為基礎(chǔ),借助計(jì)算機(jī)網(wǎng)絡(luò)原理及網(wǎng)絡(luò)規(guī)劃技術(shù),以網(wǎng)絡(luò)通暢為保證。企業(yè)內(nèi)部網(wǎng)(INTERNET)是國(guó)際互聯(lián)網(wǎng)(INTERNET)技術(shù)在企業(yè)內(nèi)部或封閉的用戶群內(nèi)的應(yīng)用。INTERNET是使用INTERNET技術(shù),特別是TCP/IP協(xié)議而建成的企業(yè)內(nèi)部網(wǎng)絡(luò)。這種技術(shù)允許不用計(jì)算機(jī)平臺(tái)進(jìn)行互通,暫不用考慮其位置。也就是所說(shuō)的用戶可以對(duì)任何一臺(tái)進(jìn)行訪問(wèn)或從任何一臺(tái)計(jì)算機(jī)進(jìn)行訪問(wèn)。本文從企業(yè)網(wǎng)絡(luò)需求開(kāi)始分析,根據(jù)現(xiàn)階段CISCO公司主流網(wǎng)絡(luò)設(shè)備進(jìn)行選材,規(guī)劃最適用于目標(biāo)網(wǎng)絡(luò)的拓?fù)浣Y(jié)構(gòu),建設(shè)合理的網(wǎng)絡(luò)設(shè)計(jì)方案。本課題實(shí)施部分由GNS3模擬器來(lái)搭建網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu),利用CISCO設(shè)備操作系用UNZIPC2691ADVSECURITYK9MZ12411T2作為拓?fù)鋬?nèi)所有設(shè)備核心IOS,然后用SECURECRT進(jìn)行路由器交換機(jī)的相關(guān)配置,并測(cè)試其結(jié)果最終驗(yàn)證網(wǎng)絡(luò)的規(guī)劃與設(shè)計(jì)符合企業(yè)的需求。關(guān)鍵詞企業(yè)網(wǎng)絡(luò),拓?fù)浣Y(jié)構(gòu),冗余,路由,交換ABSTRACT目錄前言4第一章第一章51.1項(xiàng)目背景51.2組建企業(yè)網(wǎng)的流程51.3組建企業(yè)網(wǎng)需要注意的幾個(gè)問(wèn)題7第二章第二章需求分析需求分析82.1工程項(xiàng)目概況82.2信息點(diǎn)分布92.3需求分析92.3.1網(wǎng)絡(luò)環(huán)境需求分析102.3.2公司子網(wǎng)需求102.3.3交換機(jī)路由器的配置以及VLAN的需求劃分112.3.4安全性需求分析122.3.5管理需求分析132.4設(shè)備要求132.4.1客戶端計(jì)算機(jī)的需求分析和定位選購(gòu)132.4.2交換機(jī)的需求分析和定位選購(gòu)17第三章第三章組網(wǎng)原則組網(wǎng)原則21第四章第四章網(wǎng)絡(luò)方案設(shè)計(jì)網(wǎng)絡(luò)方案設(shè)計(jì)234.1網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu)介紹234.2常見(jiàn)建筑物理圖244.3布線邏輯方案244.3通過(guò)思科模擬器模擬的網(wǎng)絡(luò)拓?fù)鋱D264.4骨干核心層網(wǎng)絡(luò)設(shè)計(jì)264.4.1骨干核心層網(wǎng)絡(luò)設(shè)計(jì)264.4.2核心層網(wǎng)絡(luò)設(shè)計(jì)274.4.3匯聚層網(wǎng)絡(luò)設(shè)計(jì)274.4.4接入層網(wǎng)絡(luò)設(shè)計(jì)274.4.5廣域網(wǎng)互聯(lián)設(shè)計(jì)28
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簡(jiǎn)介:中文中文6660字出處出處INTERNATIONALJOURNALOFROCKMECHANICSANDMININGSCIENCES,2005,421127136英文原文EXPLOITATIONOFDEVELOPEDCOALMINEPILLARSBYSHORTWALLMININGACASEEXAMPLEAKUSHWAHA,GBANERJEECENTRALMININGRESEARCHINSTITUTE,BARWAROAD,DHANBAD826001,JHARKHAND,INDIAABSTRACTTHESHORTWALLMININGTECHNIQUEISSIMILARTOLONGWALLMININGBUTWITHSHORTERFACELENGTHS,RANGINGBETWEEN40AND90M,WITHTHEAIMOFCONTROLLINGTHECAVINGNATUREOFTHEOVERLYINGUPPERSTRATA,THELOADONSUPPORTANDTHEOVERALLOPERATIONOFTHESUPPORTSAPPLIEDATTHEFACEFIELDOBSERVATIONSANDTHREEDIMENSIONALNUMERICALMODELLINGSTUDIESHAVEBEENCONDUCTEDFORTHELONGWALLPANELEXTRACTIONOFTHEPASSANGSEAMATBALRAMPURMINEOFSECLTOUNDERSTANDTHECAVINGBEHAVIOROFTHEOVERLYINGUPPERSTRATAALARGEAREAOFTHEPASSANGSEAMADJACENTTOTHELONGWALLPANELSHASALREADYBEENDEVELOPEDVIABORDANDPILLARWORKINGSINTHISPAPER,NUMERICALMODELLINGSTUDIESHAVEBEENCONDUCTEDTOASSESSTHECAVABILITYOFTHEOVERLYINGSTRATAOFTHEPASSANGSEAMINTHEMINEOVERDEVELOPEDBORDANDPILLARWORKINGSALONGWITHTHESUPPORTREQUIREMENTATTHEFACEANDINTHEADVANCEGALLERYTHECAVINGNATUREOFTHEOVERLYINGROCKSCHARACTERIZEDBYTHEMAINFALLISPREDICTEDFORVARYINGFACELENGTHS,STRATACONDITIONANDDEPTHSOFCOVERTHESUPPORTRESISTANCEREQUIREDATTHEFACE,THELOADINTHEADVANCEGALLERYANDITSOPTIMALOBLIQUITYWEREESTIMATEDFORFASTEREXPLOITATIONOFTHEDEVELOPEDPILLARSINTHEBALRAMPURMINEBYSHORTWALLMININGKEYWORDSEXPLOITATIONSHORTWALLMININGGEOMININGOBLIQUITYBLOCKCONTOURSMAINFALLADVANCEGALLERY1INTRODUCTIONININDIA,UNDERGROUNDCOALPRODUCTIONISMOSTLYDEPENDENTUPONTHECONVENTIONALBORDANDPILLARROOMANDPILLARMETHODOFMINING,ALTHOUGHTHEOVERALLOUTPUTPERMANSHIFTOMSTHROUGHTHISMETHODISGENERALLYNOTMORETHAN1TONINANYOFTHEMINES1LARGEAREASINALLTHESUBSIDIARIESOFCOALINDIALIMITEDANDEVENINSINGARANICOALCOMPANIESLIMITEDINDIAHAVEBEENDEVELOPEDVIABORDANDPILLARWORKINGSTHEREISANEEDTOSEARCHFORANEWMETHODOFMININGFORTHEFASTEREXPLOITATIONOFTHESEDEVELOPEDPILLARSTOIMPROVEPRODUCTIVITYINTHISPAPER,THEAUTHORSHAVECONDUCTEDDIFFERENTNUMERICALMODELLINGSTUDIESUSINGFASTLAGRANGIANANALYSISOFCONTINUAFLACSOFTWARE,TOASSESSTHECAVABILITYOFTHEOVERLYINGSTRATAOFTHEPASSANGSEAMINBALRAMPURMINEOFSECLINDIAOVERDEVELOPEDBORDANDPILLARWORKINGSALONGWITHSUPPORTREQUIREMENTSATTHEFACEANDINTHEADVANCEGALLERYTHISSTUDYISBASEDONFIELDOBSERVATIONSOFALONGWALLPANELANDLABORATORYTESTEDDATAOFTHEOVERLYINGROOFROCKSASTHEINPUTPARAMETERFORTHEMODELLINGTHECAVINGNATUREOFTHEOVERLYINGROCKSCHARACTERIZEDBYTHEMAINFALLSPANISPREDICTEDFORVARYINGFACELENGTH,STRATACONDITIONANDDEPTHOFCOVERFURTHER,OPTIMALOBLIQUITYOFTHEFACEWASALSOESTIMATEDFORFASTERANDSAFEEXPLOITATIONOFTHEDEVELOPEDPILLARSBYSHORTWALLMININGTOIMPROVETHEPRODUCTIVITY2SHORTWALLMININGLONGWALLPANELP1WITHAFACELENGTHOF156M,SITUATEDATANAVERAGEDEPTHCOVEROF50MATTHEBALRAMPURMINEWASEXTRACTEDWITHTHEHELPOFTHEFIRSTCHINESEPOWEREDSUPPORTIN1998INTHISPANEL,LOCALFALLSHADSTARTEDTAKINGPLACEATREGULARINTERVALSAFTERAFACEADVANCEOF25M,INVOLVINGTHEIMMEDIATEROOFFALLOFAROUND5MHEIGHT,FILLINGAPPROXIMATELY60OFTHEVOIDINTHEGOAFON26THMAY,1998,WHENTHEFACEADVANCEWAS67M,AFALLOFCONSIDERABLEEXTENTWASOBSERVEDITAPPEAREDTOBETHEMAINFALLBUTNOSUBSIDENCEWASRECORDEDATTHESURFACELATER,THEMAINFALLTOOKPLACEON28THMAY1998ATADISTANCEOF79–80MFROMTHEBARRIERTHISLOADINGCAUSEDEXTENSIVEDAMAGETOTHEPOWEREDSUPPORTSINSTALLEDATTHEFACEANDSUBSIDENCEWASOBSERVEDONTHESURFACETHISWASRECORDEDASTHEFIRSTMAINFALLTABLE2REPRESENTATIVELITHOLOGYABOVETHEPASSANGSEAM,PLUSTHEIRINTACTPROPERTIESBEDNORUNUPWARDSMROCKTYPESTHICKNESSMRQDCOMPRESSIVESTRENGTHMPATENSILESTRENGTHMPABEDⅠ05551COALMEDIUMGRAINEDSANDSTONE,LAMINATEDWITHSHALE245514023810962515BEDⅡ5511217COARSEGRAINEDTOMEDIUMGRAINEDSANDSTONE6667817114BEDⅢ12171602VERYCOARSEGRAINEDSANDSTONE38543139214BEDⅣ16023000MEDIUMGRAINEDSANDSTONE13987514522BEDⅣ30004100WEATHEREDROCK1100BEDⅥ41005000SANDYSOIL9005CAVABILITYANALYSESOFTHEOVERLYINGSTRATANUMERICALMODELLINGFORSHORTWALLMININGOFDEVELOPEDBORDANDPILLARWORKINGSWASCONDUCTEDUSINGFLAC3DSOFTWAREWITHTHETESTEDANDCALIBRATEDROCKMASSPROPERTIESTHISMODELSTUDYWASUNDERTAKENWITHAFACELENGTHEQUIVALENTTOFOURPILLARS84MANDFIVEPILLARS104MWIDE,ALONGWITHVARIATIONINDEPTHANDHARDCOVER,TOUNDERSTANDTHECAVABILITYOFTHEROOFSTRATATHEMAINFALLPOSITIONDURINGTHESHORTWALLMININGWITHVARYINGFACELENGTHANDDEPTHOFCOVERWASPREDICTEDTHEFOLLOWINGGEOMETRYWASMODELLEDAVERAGETHICKNESSOFSEAM24MDEPTHOFCOVER50AND40MHARDCOVER/ALLUVIALSOILFOR50MDEPTHCOVER30M/20MHARDCOVER/ALLUVIALSOILFOR40MDEPTHCOVER20M/20MAND30M/10MPILLARSIZECENTERTOCENTER20M20MWIDTHOFGALLERY4MFACELENGTH84M/104MINTHEABSENCEOFTHEINSITUMEASUREMENTSOFSTRESSVALUES,THEORETICALVALUESWERECALCULATEDUSINGTHEFOLLOWINGEQUATION1100011?????HEGVH??????WHEREANDARETHEVERTICALANDHORIZONTALSTRESSESMPA,E,YOUNG’SMODULUSOFINV?H?
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簡(jiǎn)介:韓山師范學(xué)院學(xué)生畢業(yè)論文(2011屆)韓山師范學(xué)院教務(wù)處制題目(中文)題目(中文)校園網(wǎng)規(guī)劃與設(shè)計(jì)校園網(wǎng)規(guī)劃與設(shè)計(jì)(英文)(英文)THECAMPUSNETWORKPROGRAMMINGANDDESIGNING系別系別物理與電子工程系物理與電子工程系專業(yè)專業(yè)電子信息科學(xué)與技術(shù)(非師范)電子信息科學(xué)與技術(shù)(非師范)班級(jí)班級(jí)2007125120071251姓名姓名許語(yǔ)丹許語(yǔ)丹學(xué)號(hào)學(xué)號(hào)20071251022007125102指導(dǎo)教師指導(dǎo)教師黃鎮(zhèn)建黃鎮(zhèn)建高級(jí)實(shí)驗(yàn)師高級(jí)實(shí)驗(yàn)師摘要摘要隨著IT的迅猛發(fā)展,校園局域網(wǎng)已經(jīng)成為現(xiàn)代教育下的必要基礎(chǔ)設(shè)施,成為學(xué)校提高教學(xué)水平、科研和管理水平的重要途徑。本設(shè)計(jì)根據(jù)當(dāng)前校園網(wǎng)的發(fā)展?fàn)顩r及趨勢(shì),結(jié)合學(xué)院的實(shí)際情況,為滿足不同需求而設(shè)計(jì)的校園局域網(wǎng)。具體包括校園主干網(wǎng)的改造,圖書(shū)館局域網(wǎng)的架設(shè)與互連,校園網(wǎng)的接入和中國(guó)電信寬帶網(wǎng)的接入等。本設(shè)計(jì)主要從實(shí)際需求出發(fā),針對(duì)現(xiàn)有的網(wǎng)絡(luò)狀況,作出合理有效的分析,介紹了此次設(shè)計(jì)的背景、最新的網(wǎng)絡(luò)技術(shù)、校園網(wǎng)的需求分析和規(guī)劃過(guò)程。其主要包括各種局域網(wǎng)的技術(shù)思想、網(wǎng)絡(luò)設(shè)計(jì)方案、網(wǎng)絡(luò)拓?fù)浣Y(jié)構(gòu)、布線系統(tǒng)、INTRANET/INTERNET的應(yīng)用、網(wǎng)絡(luò)安全等內(nèi)容。關(guān)鍵詞關(guān)鍵詞校園網(wǎng);規(guī)劃;設(shè)計(jì);網(wǎng)絡(luò)
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簡(jiǎn)介:畢業(yè)設(shè)計(jì)(論文)譯文中文4540字譯自KAWASHIMA,T,NODA,K,MASUYAMA,T,ANDODA,S,1975,“HYDRAULICTRANSPORTOFSOLIASBYAIRLIFTPUMPINJAPANESE”JOURNALOFTHEMININGANDMETALLURGICALINSTITUTEOFJAPAN,91氣舉泵提升固態(tài)物的性能檢測(cè)摘要我們將檢測(cè)一種小型的用于提升固態(tài)物的氣舉提升系統(tǒng)。其垂直提升距離是3200MM,管子的內(nèi)徑是18MM。氣體噴射裝置安裝在管道的某一部位,提升管道的底端是水和固態(tài)物質(zhì)二者的混合物,而在氣體噴射孔以下是空氣,水,固體物資三者的混合物。不同時(shí)候檢測(cè)到的狀態(tài)結(jié)果也是不同的。不同組成成分直徑,不同密度,不同氣體噴射位置,這些都是要研究的對(duì)象,在本文中我們也將討論固體剛好能夠被提升起來(lái)的臨界密度。關(guān)鍵詞氣舉泵,氣液固三態(tài)溶液,成分直徑,氣體噴射點(diǎn),臨界密度22實(shí)驗(yàn)方法數(shù)據(jù)表1表是一個(gè)關(guān)于氣舉泵經(jīng)驗(yàn)參數(shù)的綱要。氣舉泵的泵體包括了一個(gè)提升管,一個(gè)儲(chǔ)蓄器,一個(gè)吸收盒,一個(gè)噴射空氣的艙室,一個(gè)成分提供器,一個(gè)空氣分離器??偣驳拈L(zhǎng)度L(用塑料做的提升管長(zhǎng)度)為3200MM,內(nèi)徑D18MM,噴射器安放在管道的某個(gè)位置,提升管的底部與儲(chǔ)蓄器通過(guò)一個(gè)很大的管道相連,這個(gè)管道的直徑達(dá)到146MM。在實(shí)驗(yàn)中,從儲(chǔ)蓄器的頂部持續(xù)的提供水,儲(chǔ)蓄器中的水位與吸收盒的距離為L(zhǎng)S2420MM。儲(chǔ)蓄器的內(nèi)徑比提升管的內(nèi)徑要大得多,在儲(chǔ)蓄器下部的混合物流要比提升器上部的混合物流動(dòng)速度小,這些儲(chǔ)蓄器中的混合物都將影響泵的工作性能。在成分提供器中鋁或玻璃狀的球狀固體成分通過(guò)管道被提供到吸收盒,同時(shí)提供的還有很多水,這種混合物如果是鋁時(shí)其密度,如果是玻璃時(shí)則是3/3600MKGS??。固體成分的補(bǔ)給效率是由提供水的效率和在成分提供器底部的固體3/2500MKGS??數(shù)量決定的,水和固體成分被同時(shí)吸收入提升管中。壓縮空氣通過(guò)空氣壓縮機(jī)和質(zhì)量控制器提供給艙室。在氣壓管中,氣體從艙室再噴出。氣體噴射器的具體細(xì)節(jié)如下,氣體噴射點(diǎn)從吸收盒開(kāi)始,GLMMLG2700?800MM,1300MM或者200MM。為了檢測(cè)氣體噴射點(diǎn)對(duì)工作性能的影響,在管道的外表面,氣體從不同位置被釋放到周?chē)h(huán)境中。實(shí)驗(yàn)是在泵穩(wěn)定的工作條件下進(jìn)行的,混合物流的效率保持在一個(gè)穩(wěn)定值,也就是說(shuō),這種混合物保持不變。因此,這個(gè)測(cè)量的各種物質(zhì)比例也是保持不變的,空氣的流動(dòng)速度通過(guò)氣體質(zhì)混合物流控制器提供的氣體效率通過(guò)氣體表面系數(shù)而體現(xiàn)出來(lái)。這個(gè)系數(shù)的GAJ范圍是0M/S327M/S這是由于空氣壓縮機(jī)的原因。測(cè)量的的精度可以達(dá)到GAJGAJ003M/S。?水流速度通過(guò)混合水和樣本時(shí)間被測(cè)量出來(lái),然而質(zhì)量流速率通過(guò)混合物成分LQSM質(zhì)量和樣本時(shí)間確定,混合的水直接通過(guò)混合器測(cè)量,混合成分質(zhì)量用整體測(cè)量,在混合成分后還有熱空氣烘干器,另外,樣本時(shí)間為10S或者20S。量來(lái)限制和測(cè)量。表面系數(shù)(固態(tài))和(液態(tài))按下面這個(gè)公式確定SJLJ,AMJSSS??AQJLL?在這公式里,A代表提升管交叉部分的面積,測(cè)量的和精度在001M/S和SJSM??
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簡(jiǎn)介:中文中文6512字出處出處INTERNATIONALJOURNALOFPRECISIONENGINEERINGANDMANUFACTURING,2010,1113947DEVELOPMENTOFA3AXISDESKTOPMILLINGMACHINEANDACNCSYSTEMUSINGADVANCEDMODERNCONTROLALGORITHMSKIMBS,ROSK,PARKJK1INTRODUCTIONASNEWFIELDSSUCHASITINFORMATIONTECHNOLOGY,BTBIOTECHNOLOGYANDNTNANOTECHNOLOGYEMERGEASADRIVINGFORCEINTHEINDUSTRY,THEINTERESTSINMICROFACTORYSYSTEMHAVEBEENGROWINGTHEMICROFACTORYISAMINIATURIZEDFLEXIBLEMANUFACTURINGSYSTEMWHICHCONSUMESMINIMALSPACEANDENERGYCOMPAREDTOTHECONVENTIONALONE,ANDITISDESIREDTOPRODUCEMICRO/MESOSIZEMECHANICALCOMPONENTSNECESSARYFORIT,BTANDNTAPPLICATIONSMAJORTECHNICALUNITSCONTRIBUTINGTOMICROMECHANICALMACHININGSYSTEMSARE,TONAMEAFEW,HIGHSPEEDSPINDLESYSTEMS,MICROHIGHPRECISIONFEEDINGSYSTEMS,CONTROLSYSTEMSTOGENERATECOORDINATEDMOTIONS,TOOLINGANDCHUCKINGSYSTEMS,FRAMEDESIGNANDMODULEALLOCATIONSCHEMESBASEDUPONOPTIMIZATIONFORHIGHSTIFFNESSRESEARCHERSHAVEBEENTRYINGTOPUTMICROTECHNOLOGIESTOGETHERTOBUILDMICROFACTORYSYSTEMSWHICHMAKEMICRO/MESOSIZEPRECISIONPARTSTOMEETTHENEEDSFROMTHEMANUFACTURINGINDUSTRY1INTHISPAPER,WEPRESENTAMINIATURIZED3AXISMILLINGMACHINEANDADEDICATEDCNCSYSTEMFORTHEMACHINETHE3AXISMILLINGMACHINEISCONSTRUCTEDASONEOFMICROFACTORYMODULEANDDESIGNEDTOPRODUCEHIGHPRECISIONMICROPARTSITHASADESKTOPSIZEOF200300200MM3ANDISSERVINGASOURTESTBEDMACHINEFROMFINITEELEMENTANALYSISANDANIMPACTHAMMERTEST,WEHAVEVERIFIEDTHATITHASAGOODSTRUCTURALSTIFFNESSANDHIGHNATURALFREQUENCIESAHIGHSPEEDAIRTURBINESPINDLEONTHEHORIZONTALZAXISCANRUNATUPTO160,000RPMTHIS3AXISMILLINGMACHINEWASPUTUNDERREALMACHININGTESTSANDITSUCCESSFULLYDEMONSTRATEDITSMACHININGCAPABILITIESACNCSYSTEMWASDEVELOPEDFOROPERATIONOFTHE3AXISDESKTOPMILLINGMACHINETHECNCSYSTEMINCLUDESAGCODEINTERPRETERWHICHCANPROCESSABASICSETOFGCODESANDMCODESINREALTIMETHECNCSYSTEMCONSISTSOFTWOPARTSTHEONEISAGRAPHICALUSERINTERFACEWHICHRUNSUNDERMICROSOFTWINDOWS,ANDTHEOTHERISADSPPROGRAMWHICHINTERPOLATESCOMMANDSANDEXECUTESAREALTIMESERVOCONTROLTWOPARTSCOMMUNICATEEACHOTHERTHROUGHADUALPORTRAMRANDOMACCESSMEMORYJOBASSIGNMENTSFORTHETWOPARTSAREDISCUSSEDINDETAILINTHISPAPERTOIMPROVETHEPERFORMANCEOFTHECNCSYSTEMFORTHE3AXISMILLINGMACHINEBEYONDTHETRADITIONALPIDTYPECONTROL,DIFFERENTCONTROLSCHEMESHAVEBEENTESTEDINCLUDINGH∞CONTROL,INPUTSHAPINGCONTROL,DISTURBANCEOBSERVERANDCROSSCOUPLEDCONTROLONTHE321STATICANDDYNAMICANALYSISFINITEELEMENTANALYSISWASDONETOINVESTIGATETHESTATICANDDYNAMICCHARACTERISTICSOFTHEDESIGNED3AXISMILLINGMACHINEUSINGAFINITEELEMENTMODELASSHOWNINFIG3THECOMPUTATIONALRESULTSSHOWEDTHATTHEDEFLECTIONDUETOITSOWNWEIGHTWASNEGLIGIBLEWHENA10NFORCEWASLOCATEDATTHEMACHININGPOSITIONINZDIRECTION,THENUMERICALRESULTSSHOWEDTHATTHEDISPLACEMENTCHANGEATTHEWORKTABLEWOULDBEABOUT007,ANDTHEBACKFAMEWOULDUNDERGOLESSTHAN002DEFLECTIONINZDIRECTIONITSEEMSTHATTHE3AXISMILLINGMACHINEHASGOODSTIFFNESSDUETOGOODFRAMEDESIGNANDAPAIROFSMALLLMGUIDESSUPPORTINGEACHXANDYDIRECTIONTHEMODALANALYSISREVEALEDMANYIMPORTANTDYNAMICMODESOFTHE3AXISMILLINGMACHINEWEUSEDTHEIMPACTHAMMERTESTTOVERIFYTHECOMPUTEDNATURALFREQUENCIESTHEMEASUREDNATURALFREQUENCIESDONOTEXACTLYMATCHTHECOMPUTEDONES,BUTTHEINDICATEDFREQUENCYRANGEFROMTHEFINITEELEMENTMODALANALYSISWASSIMILARTOTHATFROMTHEIMPACTHAMMERTESTFIG4ANDTABLE1SHOWTHEMEASUREDNATURALFREQUENCIESANDCORRESPONDINGFREQUENCYRESPONSEFUNCTIONOFTHE3AXISMILLINGMACHINEITCANBESEENTHATTHENATURALFREQUENCIESOFZAXISSTAGE,WHICHISSUPPOSEDTOBELOWINSTIFFNESSDUETOITSAIRBEARING,LOCATEATARANGEOF250390HZTHENATURALFREQUENCYOFTHEXYSTAGESHOWSATABOUT400AND710HZAND,FORTHEBACKFRAME,ITISAROUND440AND640HZITSEEMSTHATTHEDESIGNEDMINIATURIZED3AXISMILLINGMACHINEHASHIGHERNATURALFREQUENCIESTHANCONVENTIONALMACHINETOOLS
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簡(jiǎn)介:1中文中文7600字出處出處RENEWABLEANDSUSTAINABLEENERGYREVIEWS1320092175–2180RENEWABLEANDSUSTAINABLEENERGYREVIEWSHIGHBRIGHTNESSLEDSENERGYEFFICIENTLIGHTINGSOURCESANDTHEIRPOTENTIALININDOORPLANTCULTIVATIONNAICHIAYEHA,JENPINGCHUNGABSTRACTTHERAPIDDEVELOPMENTOFOPTOELECTRONICTECHNOLOGYSINCEMID1980HASSIGNIFICANTLYENHANCEDTHEBRIGHTNESSANDEFFICIENCYOFLIGHTEMITTINGDIODESLEDSLEDSHAVELONGBEENPROPOSEDASAPRIMARYLIGHTSOURCEFORSPACEBASEDPLANTRESEARCHCHAMBERORBIOREGENERATIVELIFESUPPORTSYSTEMSTHERAISINGCOSTOFENERGYALSOMAKESTHEUSEOFLEDSINCOMMERCIALCROPCULTUREIMMINENTWITHTHEIRENERGYEFFICIENCY,LEDSHAVEOPENEDNEWPERSPECTIVESFOROPTIMIZINGTHEENERGYCONVERSIONANDTHENUTRIENTSUPPLYBOTHONANDOFFEARTHTHEPOTENTIALSOFLEDASANEFFECTIVELIGHTSOURCEFORINDOORAGRICULTURALPRODUCTIONHAVEBEENEXPLOREDTOAGREATEXTENTTHEREAREMANYRESEARCHESTHATUSELEDSTOSUPPORTPLANTGROWTHINCONTROLLEDENVIRONMENTSSUCHASPLANTTISSUECULTUREROOMANDGROWTHCHAMBERTHISPAPERPROVIDESABRIEFDEVELOPMENTHISTORYOFLEDSANDABROADBASEREVIEWONLEDAPPLICATIONSININDOORPLANTCULTIVATIONSINCE1990CONTENTS1INTRODUCTION2LEDDEVELOPMENT3COLORRATIOSANDPHOTOSYNTHESIS4LEDSANDINDOORPLANTCULTIVATION41PLANTTISSUECULTUREANDGROWTH42SPACEAGRICULTURE843ALGACULTURE44PLANTDISEASEREDUCTION5INTERMITTENTANDPHOTOPERIODLIGHTINGANDENERGYSAVING6CONCLUSION1INTRODUCTIONWITHIMPACTSOFCLIMATECHANGE,ISSUESSUCHASMOREFREQUENTANDSERIOUSDROUGHTS,FLOODS,ANDSTORMSASWELLASPESTANDDISEASESAREBECOMINGMORESERIOUSTHREATSTOAGRICULTURETHESETHREATSALONGWITHSHORTAGEOFFOODSUPPLYMAKEPEOPLETURNTOINDOORANDURBANFARMINGSUCHASVERTICALFARMINGFORHELPWITHPROPERLIGHTING,INDOORAGRICULTUREELIMINATESWEATHERRELATEDCROPFAILURESDUETODROUGHTSANDFLOODSTOPROVIDEYEARROUNDCROPPRODUCTION,WHICHASSISTINSUPPLYINGFOODINCITIESWITHSURGINGPOPULATIONSANDINAREASOFSEVEREENVIRONMENTALCONDITIONS3FIG1LEDDEVELOPMENTBEGANWITHINFRAREDANDREDDEVICESMADEWITHGALLIUMARSENIDEADVANCESINMATERIALSSCIENCEHAVEMADEPOSSIBLETHEPRODUCTIONOFDEVICESWITHEVERSHORTERWAVELENGTHS,PRODUCINGLIGHTINAVARIETYOFCOLORSJMARGOLINREPORTEDTHATTHEFIRSTKNOWNLIGHTEMITTINGSOLIDSTATEDIODEWASMADEIN1907BYHJROUNDNOPRACTICALUSEOFROUND’SDIODEWASMADEFORSEVERALDECADESUNTILTHEINVENTIONOFTHEFIRSTPRACTICALLEDBYNICKHOLONYAK,JRIN1962HISLEDSBECAMECOMMERCIALLYAVAILABLEINLATE1960STHESEGAASPLEDSCOMBINETHREEPRIMARYELEMENTSGALLIUM,ARSENICANDPHOSPHORUSTOPROVIDEA655NMREDLIGHTWITHBRIGHTNESSLEVELSOFAPPROXIMATELY1–10MCDAT20MAASTHELUMINOUSINTENSITYWASLOW,THESELEDSWEREONLYUSEDINAFEWAPPLICATIONS,PRIMARILYASINDICATORSFOLLOWINGGAASP,GAPGALLIUMPHOSPHIDEREDLEDSWEREDEVELOPEDTHESEDEVICESEXHIBITVERYHIGHQUANTUMEFFICIENCIESATLOWCURRENTSASLEDTECHNOLOGYPROGRESSEDTHROUGHTHE1970S,ADDITIONALCOLORSANDWAVELENGTHSBECAMEAVAILABLETHEMOSTCOMMONMATERIALSWEREGAPGREENANDRED,GAASPORANGE,ANDHIGHEFFICIENCYREDANDGAASPYELLOWTHETRENDTOWARDSMOREPRACTICALAPPLICATIONSSUCHASINCALCULATORS,DIGITALWATCHES,ANDTESTEQUIPMENTALSOBEGANTODEVELOPASTHELEDMATERIALSTECHNOLOGYBECAMEMOREADVANCED,THELIGHTOUTPUTWASINCREASED,ANDLEDSBECAMEBRIGHTENOUGHTOBEUSEDFORILLUMINATIONIN1980SANEWMATERIAL,GAALASGALLIUMALUMINUMARSENIDEWASDEVELOPEDFOLLOWEDBYARAPIDGROWTHINTHEUSEOFLEDSGAALASTECHNOLOGYPROVIDESSUPERIOR
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簡(jiǎn)介:畢業(yè)設(shè)計(jì)(論文)設(shè)計(jì)題目智能樓宇視頻安防監(jiān)控系統(tǒng)智能樓宇視頻安防監(jiān)控系統(tǒng)系部電氣工程系電氣工程系專業(yè)樓宇智能化工程技術(shù)樓宇智能化工程技術(shù)班級(jí)樓宇樓宇0713010713012010年6月南京ABSTRACTABSTRACTHAVEEMERGEDINRECENTYEARS,GETOUTPLACEMENTCELL,ALTHOUGHITSLIFE,ENTERTAINMENTANDOTHERFUNCTIONSAREBASICALLYCOMPLETE,BUTTHENUMBEROFGATEDCOMMUNITIESANDCITIESCOMPAREDTOTHERELATIVEDELAYDUETOSECURITYFACILITIES,COMBINEDWITHTHELACKOFSTANDARDIZEDPROPERTYMANAGEMENT,HASBECOMEBURGLARYCASES,“HIGHINCIDENCEAREA”GETOUTHOWTOSOLVETHERESETTLEMENTRESIDENTIALPROPERTYSECURITY,HASBECOMEALOCALGOVERNMENTANDPUBLICSECURITYDEPARTMENTSNEEDTOSOLVETHEPROBLEMINSTALLACOMPLETEVIDEOSECURITYMONITORINSYSTEM,TOEFFECTIVELYADDRESSTHISISSUEKEYWORDSKEYWORDSPLACEMENTCELLTHERESETTLEMENTRESIDENTIALPROPERTYSECURITYACOMPLETEVIDEOSECURITYMONITORINGSYSTEM
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簡(jiǎn)介:中國(guó)地質(zhì)大學(xué)長(zhǎng)城學(xué)院本科畢業(yè)論文題目題目淺談“CL”和“ES”理念在飯店中的結(jié)合運(yùn)用以澳林大酒店為例系別管理科學(xué)與工程系專業(yè)旅游管理學(xué)生姓名王丹學(xué)號(hào)02309117指導(dǎo)教師孔旭紅職稱教授2013年4月30日8楊艷顧客滿意度與員工滿意度的互動(dòng)關(guān)系研究J當(dāng)代經(jīng)濟(jì),2010,648499王健從員工滿意度入手提高客戶滿意度J中國(guó)電力企業(yè)管理,2010,1787910馬欽海,李藝服務(wù)消費(fèi)顧客滿意與顧客忠誠(chéng)關(guān)系調(diào)節(jié)因素的實(shí)證研究J管理科學(xué),2007,205485911員工滿意是顧客滿意的源泉C海南省通信學(xué)會(huì)2007年學(xué)術(shù)年會(huì)論文集2007828612王愛(ài)蓮,賈蕾服務(wù)業(yè)員工滿意度與顧客滿意度關(guān)系研究J中國(guó)商貿(mào),2010,297813崔蕓淺析顧客滿意度與員工滿意度之間的內(nèi)在聯(lián)系J開(kāi)封大學(xué)學(xué)報(bào),2006,204192114張姍姍,魏志會(huì)淺議企業(yè)文化對(duì)員工滿意度的影響J現(xiàn)代經(jīng)濟(jì)(現(xiàn)代物業(yè)下半月刊),2007,6622022215孫瑾基于員工滿意度和顧客滿意度關(guān)系的文獻(xiàn)評(píng)述及研究展望J現(xiàn)代管理科學(xué),2009,6373916周明建,葉文琴組織對(duì)員工的忠誠(chéng)、員工的工作滿意感和組織忠誠(chéng)感與員工績(jī)效J軟科學(xué),2006,203119121,12817孫宗平員工滿意是顧客滿意的基礎(chǔ)C//新世紀(jì)第一次中國(guó)ISO9000論壇專題研討會(huì)論文集20026973畢業(yè)論文應(yīng)完成的主要工作畢業(yè)論文應(yīng)完成的主要工作1.利用中國(guó)知網(wǎng)、維普、萬(wàn)方等數(shù)據(jù)庫(kù)完成與畢業(yè)論文相關(guān)內(nèi)容的論文的檢索;利用圖書(shū)館的圖書(shū)資源查閱相關(guān)的理論內(nèi)容;充分的利用互聯(lián)網(wǎng)進(jìn)行資料的檢索收集。2.與實(shí)習(xí)相關(guān)的選題要注意在實(shí)習(xí)過(guò)程中觀察收集相關(guān)的數(shù)據(jù);要做實(shí)證方面的論文要多方面搜集相關(guān)的地區(qū)及國(guó)家發(fā)布的統(tǒng)計(jì)數(shù)據(jù)。3.撰寫(xiě)開(kāi)題報(bào)告之前要寫(xiě)出論文的大綱,并根據(jù)開(kāi)題報(bào)告中指導(dǎo)教師所提出的意見(jiàn)進(jìn)行修改。4.確定大綱之后認(rèn)真的撰寫(xiě)論文,并根據(jù)指導(dǎo)教師的意見(jiàn)進(jìn)行修改。論文定稿之后,按照要求進(jìn)行畢業(yè)論文的答辯。畢業(yè)論文進(jìn)度安排畢業(yè)論文進(jìn)度安排序號(hào)序號(hào)畢業(yè)論文各階段內(nèi)容畢業(yè)論文各階段內(nèi)容時(shí)間安排時(shí)間安排備注備注1確定論文題目2012年6月27日8月31日2下達(dá)論文任務(wù)書(shū),畢業(yè)實(shí)習(xí),搜集論文資料2012年9月1日2012年9月10日3撰寫(xiě)開(kāi)題報(bào)告2012年9月11日2012年10月13日4開(kāi)題答辯2012年10月14日
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簡(jiǎn)介:中文5770字畢業(yè)論文外文翻譯畢業(yè)論文外文翻譯混合整值A(chǔ)RCH模型AMIXTUREINTEGERVALUEDARCHMODEL學(xué)生學(xué)號(hào)學(xué)生姓名專業(yè)班級(jí)數(shù)學(xué)與應(yīng)用數(shù)學(xué)指導(dǎo)教師職稱講師起止日期2013125~2014319畢業(yè)論文外文翻譯2一個(gè)整值自回歸條件異方差(INARCH)模型來(lái)處理過(guò)分散的整值時(shí)間序列。ZHU等人2008,ZHUANDLI2009,ZHUANDWANG2009,2010ANDWEI?2009給出了INARCH模型的一些進(jìn)一步的結(jié)果。在一個(gè)非常普遍的混合模型的定義上使用SAIKKONEN(2007年)的想法,我們把INARCH模型推廣到混合INARCH(MINARCH)模型,它優(yōu)于INARCH模型是因?yàn)樗軌蛱幚矶喾逍院头欠€(wěn)定性的分量。本文的結(jié)構(gòu)如下。第2節(jié)描述MINARCH模型,平穩(wěn)性條件和自相關(guān)函數(shù)。第3節(jié)通過(guò)EM算法討論估計(jì)過(guò)程。第4節(jié)考慮模型選擇問(wèn)題,第5節(jié)通過(guò)實(shí)證的例子說(shuō)明模型的有效性。證明在附錄中給出。2混合整值A(chǔ)RCH模型考慮帶有K個(gè)分量的混合整值A(chǔ)RCH模型,用來(lái)表示,定1,,KMINARCHKPP義如下2110111,|,KPKTTKTKTTKTKTKKITIKIXKYYFPX???????????????其中表示指示性函數(shù),是由生成的域,是一組獨(dú)立同分1?1TF?12{,,}TTXX????T?布的隨機(jī)變量,且假設(shè),和之間對(duì)1,1,0,1,,TKKKPKKK??????????????TJX?T?于所有的是相互獨(dú)立的,和對(duì)于給定的條件獨(dú)立,并且0,0TJ??KTYT?1TF?的可識(shí)別性(見(jiàn)AITKINANDRUBIN,1985)。為了避免為零或負(fù)數(shù)的條件12K???????方差的可能性,必須滿足下列條件KI?00,01,,,1,,KKIKIPKK????????MINARCH模型具有與NEAR和NLAR模型類似的結(jié)構(gòu)見(jiàn)PERERA,2004ZHUANDWANG,2008,但它實(shí)際上是?個(gè)INARCH模型的混合。該MINARCH模型的屬性與WONGANDLI(2000年,2001年)的那些MAR和MARARCH模型相類似。由于條件均值和分量的方差依賴于過(guò)去的一系列值,所以該系列的條件分布的形狀隨時(shí)間變化。條件分布的形狀可以是多峰的。需要注意的是的條件均值,TX22101111|KPKKKTTKKTKKKKITIKKKIEXFX???????????????????
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簡(jiǎn)介:外文資料翻譯英文原文中文中文3780字英文原文出處NURSEL,YAL?IN,UTKU,K?SEWHATISSEARCHENGINEOPTIMIZATIONSEOJPROCEDIASOCIALANDBEHAVIORALSCIENCES,2011,948749WHATISSEARCHENGINEOPTIMIZATIONSEOABSTRACTABSTRACTWEBSITES,WHICHINDEXANDCLASSOTHERWEBSITESACCORDINGTOTHEIRKEYWORDS,EXPLANATIONSANDCONTENTSANDMAKEITEASIERANDFASTERTOREACHOBTAINEDSITESEARCHRESULTS,ARECALLEDASSEARCHENGINESSEO“SEARCHENGINEOPTIMIZATION”ISTHEONEOFTHEWIDELYUSEDTECHNIQUETHATPROVIDESWEBSITESFASTREACHABLEINTHISWORKWEEXPLAINEDREQUIREDINFORMATIONTOMAKEAWEBSITEMOREINDEXEDBYSEARCHENGINESANDCONSIDERINGTHEIRKEYWORDSMAKETHEMFIRSTLISTEDKEYWORDSSEO,SEARCHENGINEOPTIMIZATION,PAGERANK,BACKLINK,BOT,METATAGS,SOCIALMEDIA1INTRODUCTIONINTERNETISAWIDECOMMUNITYINCLUDINGMILLIONSOFUSERSANDITISALSONAMEDASONEOFTODAY’SMOSTIMPORTANTCOMMUNICATIONTOOLSTHISWIDECOMMUNITYISALSOKNOWNASANIMPORTANTCUSTOMERPOTENTIALFOREVERYONEWHOTHINKSABOUTBUSINESSWORKSBASEDONINTERNETENVIRONMENTINTERNETHASBECOMENEWCHANNELOFTHEBUSINESSAREAINTHEMODERNWORLDINWHICHITISNOTPOSSIBLETOREACHSUCHAWIDEVOLUMEBYUSINGTRADITIONALSELLINGCHANNELSTHEWORKINGMETHOD,WHICHHASCHANGEDWITHTHEINTERNET,HASCREATEDSOMECHANGESINOTHERAREASANDITHASALSOENABLEDCOMPANIESTONEEDINTERNETBASEDMARKETINGACTIVITIESASARESULTOFINCREASINGPOPULARITYOFTHEINTERNET,ACROWD,WHICHISALSONAMEDAS“ELECTRONICCOMMUNITY”WAS外文資料翻譯英文原文STOREDONADATABASEALLOFTHESEOPERATIONSAREPERFORMEDBYTHESEARCHENGINESOFTWARECRAWLER,SPIDER,BOTSEARCHENGINESUSESPECIALPROGRAMS,WHICHARENAMEDASSPIDERORBOTTHESEPROGRAMSMOVEBYUSINGHYPERLINKSTRUCTUREOFTHEWEBTHEYNAVIGATETHROUGHWEBPAGESPERIODICALLYANDCAPTURECHANGESTHATHAVEBEENMADESINCELASTNAVIGATIONDATAOBTAINEDBYTHERELATEDPROGRAMSARESTOREDINAVERYWIDEDATABASESYSTEMTHISDATABASEISCALLEDASTHEINDEXOFTHESEARCHENGINEONTHEOTHERHAND,THEPERFORMEDOPERATIONISCALLEDAS“INDEXING”WHENUSERSPERFORMAQUERYINORDERTOGETSOMEDATAORINFORMATION,THERELATEDQUERRYISTRANSFERREDTOTHESEARCHENGINEINDEXANDRESULTSARESHOWNTOUSERSESSENTIALCOMPETITIONFACTORAMONGSEARCHENGINESISAPPEAREDDURING“RELEVANTRESULTSHOWING,SORTING”P(pán)ROCESSAFTERDETERMININGTHERELATEDPAGESWITHTHEPERFORMEDQUERRY,THEYMUSTBESHOWNTOUSERSINASORTEDLISTSTRUCTUREATTHISPOINT,SEARCHENGINEALGORITHMSTAKEANIMPORTANTROLEANDTHEYTRYTOSHOWTHEMOSTRELEVANTRESULTSFORUSERSBRIEFLY,SEARCHINGROBOTSCOLLECTDATAABOUTEACHURLANDSTORETHECOLLECTEDDATAINADATABASEWHENAUSERCONNECTSTOTHESEARCHENGINEFORASEARCHSESSION,REFERENCESINTHERELATEDDATABASEAREEVALAUTEDANDOBTAINEDRESULTSARERETURNEDBACKTOUSER3SEARCHENGINEOPTIMIZATIONDATAORINFORMATIONABOUTANUNKNOWNSUBJECTISUSUALLYSEARCHEDONTHEFIRSTPAGEOFSEARCHENGINESAFTEREXAMININGFIRST5RESULTPAGES,OTHERREMAININGPAGESARENOTEVALUATEDBYUSERSBECAUSEOFTHIS,ITISIMPORTANTTOMOVEAWEBPAGETOTOPLISTSOFSEARCHENGINESINORDERTOINTRODUCEITBETTERINORDERTOACHIEVETHIS,THESEARCHENGINEOPTIMIZATIONMUSTBEUSEDBYWEBSITEDEVELOPERSBECAUSE,ITISPOSSIBLETOMOVEAWEBPAGETOTHEFIRSTPAGEOFASEARCHENGINEBYUSINGONLYSOMENECESSARYOPTIMIZATIONRULESITISIMPORTANTTOHAVEANEFFECTIVE,WELLSTRUCTUREDANDGOODLOOKINGWEBPAGETOINTRODUCETHERELATEDCOMPANY,SERVICESORPRODUCTSBETTERBUTITISALSOTOOIMPORTANTFORCUSTOMERSTOSEARCHANDFINDTHERELATEDWEBPAGEONASEARCHENGINEEASILYFURTHERMORE,80PERCENTOFINTERNETUSERSALSOSEARCHFORPRODUCTSORSERVICESBYUSINGSEARCHENGINESMOSTLYITISANEASYANDEFFECTIVEWAYTOINTRODUCEANDMARKETACOMPANYBYUSINGAWEBPAGEINORDERTOACHIEVETHIS,INFORMATIONRELATEDTOTHE
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簡(jiǎn)介:NO桂林航天工業(yè)學(xué)院桂林航天工業(yè)學(xué)院畢業(yè)論文畢業(yè)論文題目房地產(chǎn)市場(chǎng)營(yíng)銷(xiāo)策略分析題目房地產(chǎn)市場(chǎng)營(yíng)銷(xiāo)策略分析(金廈房產(chǎn)開(kāi)發(fā)有限公司黃金海岸項(xiàng)(金廈房產(chǎn)開(kāi)發(fā)有限公司黃金海岸項(xiàng)目)目)專業(yè)連鎖經(jīng)營(yíng)管理專業(yè)連鎖經(jīng)營(yíng)管理姓名姓名XXX學(xué)號(hào)學(xué)號(hào)201008420XXX指導(dǎo)教師指導(dǎo)教師XXX2013年6月5日I摘要要隨著房地產(chǎn)行業(yè)的快速發(fā)展,行業(yè)內(nèi)的競(jìng)爭(zhēng)、資源的整合、國(guó)家各種政策法規(guī)的相繼出臺(tái),使房地產(chǎn)行業(yè)逐漸趨于成熟。特別是在國(guó)家新政限購(gòu)令出臺(tái)的市場(chǎng)環(huán)境中,房地產(chǎn)開(kāi)發(fā)商必須審時(shí)度勢(shì)、占領(lǐng)先機(jī),以求在激烈的競(jìng)爭(zhēng)中站穩(wěn)腳跟。本文以金廈房產(chǎn)黃金海岸項(xiàng)目為例,參考多種資料書(shū)籍,運(yùn)用科學(xué)的方法,從項(xiàng)目背景、市場(chǎng)現(xiàn)狀調(diào)研、市場(chǎng)定位分析等多方面對(duì)房地產(chǎn)項(xiàng)目開(kāi)發(fā)銷(xiāo)售策劃進(jìn)行分析闡述,來(lái)說(shuō)明當(dāng)前新環(huán)境下房地產(chǎn)企業(yè)基本的營(yíng)銷(xiāo)策略,并找出其中不足的地方及改進(jìn)措施,以求為以后的房地產(chǎn)項(xiàng)目開(kāi)發(fā)決策提供一個(gè)可參考借鑒的樣本。關(guān)鍵詞關(guān)鍵詞房地產(chǎn)營(yíng)銷(xiāo)策略營(yíng)銷(xiāo)策劃項(xiàng)目策劃
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簡(jiǎn)介:建筑工程管理畢業(yè)論文畢業(yè)論文I摘要本次編制的施工組織設(shè)計(jì)內(nèi)容根據(jù)建設(shè)單位提供的施工圖紙、施工規(guī)范、行業(yè)標(biāo)準(zhǔn)及公司的企業(yè)標(biāo)準(zhǔn)進(jìn)行編制。隨著工程的進(jìn)行和深入情況,本施工組織設(shè)計(jì)不完善的方面,我部將編制的專業(yè)施工方案進(jìn)行補(bǔ)充,并另行上報(bào)審批。同時(shí)提前編制各專項(xiàng)施工方案及時(shí)上報(bào)審批,對(duì)施工實(shí)際情況所要做的相應(yīng)的調(diào)整,將在以后施工方案中進(jìn)行補(bǔ)充說(shuō)明。關(guān)鍵詞關(guān)鍵詞施工,組織,工程管理建筑工程管理畢業(yè)論文畢業(yè)論文III第六章屋面工程1961裝飾裝修工程1962抹灰工程1963外墻腳手架20第七章施工質(zhì)量管理措施2271質(zhì)量保證措施2272服從和配合甲方、監(jiān)理單位的質(zhì)量管理2273明確責(zé)任,實(shí)行獎(jiǎng)罰制2274確保工程質(zhì)量的技術(shù)管理關(guān)22總結(jié)23致謝24參考文獻(xiàn)25
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