簡(jiǎn)介：共頁(yè)第1頁(yè)┊┊┊┊┊┊┊┊┊┊┊┊┊裝┊┊┊┊┊訂┊┊┊┊┊線┊┊┊┊┊┊┊┊┊┊┊┊┊中文中文53135313字附錄英文翻譯及原文附錄英文翻譯及原文直燃式步進(jìn)式加熱爐用于分析板坯瞬態(tài)加熱的傳熱模型直燃式步進(jìn)式加熱爐用于分析板坯瞬態(tài)加熱的傳熱模型摘要一個(gè)可以預(yù)測(cè)板坯表面溫度分布和熱流情況的數(shù)學(xué)傳熱模型已開發(fā)出來了，主要是通過充分考慮在爐膛內(nèi)的板坯的熱輻射和瞬態(tài)熱傳導(dǎo)方程來實(shí)現(xiàn)的。該爐型是參照散熱介質(zhì)在空間中的變恒溫過程和恒定的吸收系數(shù)來設(shè)計(jì)的。鋼坯由步進(jìn)梁從一個(gè)固定梁移動(dòng)到下一個(gè)固定梁上，是以通過加熱爐預(yù)熱段加熱段和均熱段為鋼坯熱傳導(dǎo)方程的邊界條件的加熱爐模型。輻射熱通量的計(jì)算是通過采用有限體積法，在爐子的內(nèi)部，以爐墻爐頂爐底構(gòu)成的充滿煙氣的環(huán)境里，作為板坯的瞬態(tài)傳導(dǎo)方程的邊界條件來進(jìn)行計(jì)算的。板坯的傳熱特性和溫度特性是通過調(diào)查可以改變板坯吸收系數(shù)和發(fā)射率的參數(shù)來確定的。比較多次的實(shí)踐工作表明，目前用于預(yù)測(cè)板坯在加熱爐中的傳熱過程和熱流量的狀況示范工程得到了很好的效果。關(guān)鍵詞加熱爐鋼坯加熱輻射傳熱瞬態(tài)熱傳導(dǎo)有限體積法1導(dǎo)言在過去數(shù)十年以來，爐子進(jìn)入降低能源消耗和污染物排放量的階段，而分析鋼坯瞬態(tài)熱特性，在加熱爐工程應(yīng)用上已吸引了相當(dāng)多注意。此外，限定板坯在爐子內(nèi)有均勻的溫度分布才能出爐的重要性大大增加了，只有準(zhǔn)確快速的預(yù)測(cè)爐內(nèi)板坯的溫度，才能為以后的軋制過程提供比較好的原料，因?yàn)檫@決定了鋼鐵產(chǎn)品質(zhì)量的高低。在本質(zhì)上，在爐膛內(nèi)的整個(gè)燃燒過程和由此產(chǎn)生的熱氣流同時(shí)影響傳熱對(duì)流和熱輻射過程。然而，復(fù)雜的爐子內(nèi)部的三維結(jié)構(gòu)包括固定梁和步行梁打滑問題使的難以在經(jīng)濟(jì)上做出準(zhǔn)確的分析。因此，模型和方法對(duì)于預(yù)測(cè)爐子內(nèi)部燃燒特性和傳熱過程中存在著很高的要求。尤其是，準(zhǔn)確預(yù)測(cè)熱輻射量是最重要的，因?yàn)闊彷椛鋫鳠岢^流過板坯表面總熱流的90％?，F(xiàn)在沒有一個(gè)單一的輻射模型就能夠解決所有在工程應(yīng)用中遇到的情況，所以應(yīng)選擇一個(gè)合適的途徑為自己的側(cè)重點(diǎn)。為了預(yù)測(cè)通過板坯表面上的輻射熱通量，從而準(zhǔn)確計(jì)算出爐子內(nèi)板坯的溫度分布，其解決方法是板坯必須是做連續(xù)運(yùn)動(dòng)，無灰的燃燒煙氣作為該爐輻射氣體，以及復(fù)雜的爐壁幾何結(jié)構(gòu)包括彎曲的板坯和防滑管道堵塞的影響，還有就是一定量的計(jì)算。許多可以預(yù)測(cè)在加熱爐內(nèi)板坯傳熱特性的模型和方法已經(jīng)開發(fā)出來了，并且成功的應(yīng)用到各種不同的爐型中，這些方法可以歸類為下面幾類第一個(gè)是要解決好控制熱氣體流動(dòng)和燃燒過程的節(jié)能方程，把熱輻射作為輻射熱流的能源來源，金大中等人完成了這些三維傳熱特性的分析，主要是考慮到煙氣在步進(jìn)梁上鋼坯的湍流平流和輻射傳熱作用，并用簡(jiǎn)潔的FLUENT代碼表示出來。同時(shí)可以預(yù)測(cè)爐子內(nèi)部的鋼坯的溫度分布和鋼坯上下表面流過的熱流量。金正日等人進(jìn)行了類似的分析，并且做了預(yù)測(cè)鋼坯順態(tài)傳熱性能的熱傳導(dǎo)方程。雖然這些都是流體力學(xué)計(jì)算分析，但是可以用于共頁(yè)第3頁(yè)┊┊┊┊┊┊┊┊┊┊┊┊┊裝┊┊┊┊┊訂┊┊┊┊┊線┊┊┊┊┊┊┊┊┊┊┊┊┊熱段入口到均熱段的出口為止，經(jīng)過180分鐘的加熱，在爐膛出口板坯獲得平均溫度約，1200C?因此，鋼坯沒46分鐘就移動(dòng)一次。22。方程如圖2顯示了發(fā)生在爐膛內(nèi)部傳熱過程，在這項(xiàng)研究中，假定向板坯表面熱傳遞模式只有熱輻射傳熱。鋼板內(nèi)部傳熱可以用瞬態(tài)二維熱傳導(dǎo)方程計(jì)算出來，及公式一。其中，C和K分別為密度，比熱，該鋼板的導(dǎo)電性。?通過該板坯表面輻射熱通量，在圖三中已經(jīng)顯示出來了，是用來作為上RSLABQ述方程（1）的邊界條件，其中是鋼坯表面和方向的輻射強(qiáng)度。是,WIRS??WR?S?WN?在板坯表面正常的單位向量，是立體角。是活性輻射介質(zhì)輻射在任何方向的?R?

簡(jiǎn)介：本文是中英雙語(yǔ)對(duì)照畢業(yè)設(shè)計(jì)論文外文文獻(xiàn)翻譯，下載之后無需調(diào)整復(fù)雜的格式直接可用一輩子也就一次的事外文標(biāo)題OBJECTORIENTEDWEBAPPLICATIONDEVELOPMENT外文作者HANSWGELLERSENANDMARTINGAEDKE文獻(xiàn)出處IEEEINTERNETCOMPUTING316068,2018如覺得年份太老，可改為近2年，畢竟很多畢業(yè)生都這樣做英文4015單詞，26661字符字符就是印刷符，中文6698漢字。（如果字?jǐn)?shù)多了，可自行刪減，大多數(shù)學(xué)校都是要求選取外文的一部分內(nèi)容進(jìn)行翻譯的。）OBJECTORIENTEDWEBAPPLICATIONDEVELOPMENTTHEWEBHASEVOLVEDINTOAGLOBALENVIRONMENTFORDELIVERINGALLKINDSOFAPPLICATIONS,RANGINGFROMSMALLSCALEANDSHORTLIVEDSERVICESTOLARGESCALE,ENTERPRISEWORKFLOWSYSTEMSDISTRIBUTEDOVERMANYSERVERSAPPLICATIONSTHATUSEHTMLBASEDFRONTENDSBENEFITFROMTHEPERVASIVEDISTRIBUTIONOFWEBBROWSERSFORUNIVERSAL,CROSSPLATFORMACCESSANOTHERSTRIKINGADVANTAGEOFWEBDELIVERYLIESINTHECONCEPTOFTHINCLIENTSANDCENTRALIZEDMAINTENANCE,FACILITATINGINSTANTANEOUSDEPLOYMENTOFSOFTWAREUPDATESATMINIMALCOSTWHILETHEPOPULARITYOFTHEWEBANDITSADVANTAGESASACLIENTSERVERPLATFORMHAVELEDTOCOUNTLESSHTMLBASEDAPPLICATIONS,THEDEVELOPMENTOFWEBAPPLICATIONSISSTILLMOSTLYADHOCTHEREISNORIGOROUS,SYSTEMATICAPPROACH,ANDMOSTCURRENTWEBAPPLICATIONDEVELOPMENTANDMANAGEMENTPRACTICESRELYONTHEKNOWLEDGEANDEXPERIENCEOFINDIVIDUALDEVELOPERSONEREASONFORTHELACKOFASTRUCTUREDAPPROACHMAYBEINTHEWEB’SLEGACYASANINFORMATIONMEDIUMRATHERTHANANAPPLICATIONPLATFORMWEBDEVELOPMENTISSEENPRIMARILYASANAUTHORINGPROBLEMRATHERTHANASOFTWAREDEVELOPMENTPROBLEMTOWHICHWELLESTABLISHEDSOFTWAREENGINEERINGPRINCIPLESSHOULDAPPLYWEBELIEVEANOTHERREASONISTHATTHEWEBIMPLEMENTATIONMODELDOESNOTRELATEWELLGENERALSOFTWAREDEVELOPMENTCONVENTIONALSOFTWAREPROCESSESUSUALLYADDRESSFOURDEVELOPMENTPHASESANALYSIS,DESIGN,IMPLEMENTATION,ANDMAINTENANCE/EVOLUTIONDURINGANALYSIS,DEVELOPERSBUILDAMODELOFANAPPLICATIONINTERMSOFTHEDOMAINIDEALLY,THISANALYSISCONCENTRATESONTHEAPPLICATION’SPROBLEMSPACESEPARATEFROMSOFTWARECONSIDERATIONS,WHICHAREPARTOFTHESOLUTIONSPACEACCORDINGLY,THISPHASESHOULDNOTBEAFFECTEDBYWHETHERORNOTTHEAPPLICATIONISTOBEDELIVEREDOVERTHEWEBBASEDONTHEANALYSIS,AMODELOFTHESOFTWARESOLUTIONISDEFINEDDURINGTHEDESIGNPHASEOBVIOUSLY,THEWEBAPPLICATIONDEVELOPMENTPROCESSINCONTRASTTOAGENERALSOFTWAREPROCESSASSUMESAWEBBASEDSOFTWARESOLUTIONANDMUSTACCOMMODATETHISTHEIMPLEMENTATIONTRANSFORMSTHEDESIGNINTOACTUALSOFTWAREFORWEBAPPLICATIONS,THISPHASEHASTORELYONAVAILABLEWEBIMPLEMENTATIONTECHNOLOGYFINALLY,MAINTENANCEISCONCERNEDWITHMODIFICATIONSTOTHESOFTWARE,WHICHMAYOCCURATTHEIMPLEMENTATION,DESIGN,OREVENANALYSISLEVELSGENERALSOFTWAREPROCESSESAREHARDTORELATETOTHEWEBIMPLEMENTATIONMODEL,ASWILLBEDISCUSSEDBELOWTHEWEBIMPLEMENTATIONMODELISBASEDONFLATDECOMPOSITIONOFAPPLICATIONSINTORESOURCESRESOURCESHAVEAUNIQUEADDRESS,ANDTHEYAREDELIVEREDONREQUESTFROMWEBSERVERTOWEBCLIENTTHEYCANBESTATICORDYNAMICALLYGENERATEDFROMASCRIPT,BUTTHEYAREINHERENTLYSPECIFIC,WHICHMEANSTHATTHEYCANNOTCAPTUREABSTRACTIONSDOCUMENTDELIVERYAPPLICATIONSTHEWORLDWIDEWEBWASORIGINALLYDESIGNEDASANINFORMATIONMEDIUMFORDISTRIBUTEDRESEARCHTEAMS4AKEYOBJECTIVEWASTOMAKEITASEASYASPOSSIBLEFORAUTHORSTODELIVERDOCUMENTS,ANDTHENOTIONOFWEBAPPLICATIONDEVELOPMENTESSENTIALLYBOILEDDOWNTODOCUMENTDEVELOPMENTBYANAUTHORORSMALLGROUPOFAUTHORSFORTHISKINDOFDEVELOPMENT,THELIFECYCLECOMPRISESINFORMALANALYSISOFWHATISTOBEPRESENTED,INFORMALDESIGNOFHOWTOSTRUCTUREITINTOHYPERLINKEDCHUNKSOFINFORMATION,ANDIMPLEMENTATIONTHROUGHMARKUPFOLLOWINGIMPLEMENTATION,THEDOCUMENTSAREMAINTAINEDBYTHEAUTHORSTHEMSELVESTHEWEBIMPLEMENTATIONMODELWASDESIGNEDTOMEETTHESELIFECYCLEREQUIREMENTSITISDELIBERATELYSIMPLE,BASEDONTHENOTIONOFRESOURCESTHATMODELMOSTLYSELF

簡(jiǎn)介：此文檔是畢業(yè)設(shè)計(jì)外文翻譯成品（含英文原文中文翻譯），無需調(diào)整復(fù)雜的格式下載之后直接可用，方便快捷本文價(jià)格不貴,也就幾十塊錢一輩子也就一次的事外文標(biāo)題SMARTSHOPPINGSYSTEMANDROIDAPPLICATION外文作者M(jìn)SMANSIMHASKE,MSMAYURISAWANT,MSEKTABHATTAD,MSAMRUTAGAIKWADANDPROFMANOJMULIK文獻(xiàn)出處INTERNATIONALJOURNALOFMATHEMATICALARCHIVE85,2019,712如覺得年份太老，可改為近2年，畢竟很多畢業(yè)生都這樣做英文1726單詞，10102字符字符就是印刷符，中文2800漢字。（如果字?jǐn)?shù)多了，可自行刪減，大多數(shù)學(xué)校都是要求選取外文的一部分內(nèi)容進(jìn)行翻譯的。）SMARTSHOPPINGSYSTEMANDROIDAPPLICATIONABSTRACTINTODAYSLIFEGOINGTOMALLSFORSHOPPINGISINCREASINGRAPIDLYPEOPLETAKETHEITEMANDPUTITINTOTROLLEYAFTERDONEWITHSHOPPINGTHEYGOFORBILLINGATTHEBILLINGCOUNTERBUTASTHEREAREMANYPEOPLESTANDINGINQUEUEFORBILLINGPURPOSE,SOLOTSOFTIMEISREQUIREDFORTHEINDIVIDUALSFORBILLINGBECAUSEOFEXISTINGBARCODETECHNOLOGYTOREDUCETHISTIME,WEAREPROPOSEDASYSTEMBASEDONNFCTECHNOLOGY5THESYSTEMCONTAINSTHEITEMSATTACHEDWITHNFCTAG,ANDROIDPHONEHAVINGNFCREADERWHICHREADSTHETAGINFORMATIONWHENPUTINTOTHETROLLEYTHENTHISINFORMATIONISSENDTOMAINBILLINGSERVERWHICHCALCULATESTHETOTALNUMBEROFPURCHASEDITEMSANDSENDSTHECALCULATEDBILLTOTHEDEVICEATTACHEDTOTROLLEYFORDISPLAYINGITONDISPLAYOFSMARTPHONEALONGWITHTHISSYSTEMWEAREIMPLEMENTINGANANDROIDAPPLICATIONFORREWARDINGFACILITYTHEAPPLICATIONISBASEDONTHETROLLEYNUMBERANDTOTALNUMBEROFPURCHASEDITEMSKEYWORDSCLIENT/SERVER,NFC,EMBEDDEDSYSTEM,ANDROIDMOBILEPHONE,NFCREADER,PRODUCTIVITYTIME,SUPERMARKET,BARCODESCANNER,SENSORFIGUREANDROIDLAYEREDARCHITECTUREIIMOTIVATIONOURAIMISTODEVELOPASYSTEMTHATCANBEUSEDININDUSTRYORSHOPPINGMALLSTOSOLVETHECHALLENGESLIKELONGQUEUEONCOUNTERSWEFIRMLYBELIEVEINMAKINGOURENVIRONMENTASMARTERANDDIGITIZEDIIIGOALANDOBJECTIVESOVERALLGOALSANDOBJECTIVESOFSOFTWAREISTOELIMINATETIMETAKENINBILLINGCOUNTERINSUPERMARKETSANDINCREASESCUSTOMERSATISFACTIONITREDUCESMANPOWERREQUIREDINBILLINGSECTIONINCREASEPRODUCTIVITYTIMETHEOBJECTIVEOFTHISSOFTWAREISTOPROVIDEEASYASSISTANCETOBOTHTHECUSTOMERASWELLASTHEMERCHANTWITHPROPERDATABASEANDINFORMATIONIVSYSTEMDESIGNOURSYSTEMISAIMEDTODESIGNTHESMARTSHOPPINGINTHEMALLSTHECUSTOMERCANPURCHASEDIFFERENTPRODUCTSINTHEMALLAFTERSHOPPINGCUSTOMERMUSTWAITINTHEQUEUESOTOREDUCETHATTIMEOURSYSTEMISGOINGTOHELPAFTERPURCHASINGEACHPRODUCTCUSTOMERCANSCANTHEPRODUCTIENFCTAGVIANFCSCANNERWHICHISINBUILTINTHESMARTPHONETHETOTALISAUTOMATICALLYDONEBYTHESERVERTHESERVERANDTHESMARTPHONEARECONNECTEDVIAWIFI

簡(jiǎn)介：此文檔是畢業(yè)設(shè)計(jì)外文翻譯成品（含英文原文中文翻譯），無需調(diào)整復(fù)雜的格式下載之后直接可用，方便快捷本文價(jià)格不貴,也就幾十塊錢一輩子也就一次的事外文標(biāo)題STUDENTINFORMATIONMANAGEMENTSYSTEMBASEDONANDROIDPLATFORM外文作者WANGJIANFA,LIUJUAN,JIAOLIANGYU文獻(xiàn)出處ADVANCEDMATERIALSRESEARCHVOLS100610072018PP10571060如覺得年份太老，可改為近2年，畢竟很多畢業(yè)生都這樣做英文1578單詞，10638字符字符就是印刷符，中文2826漢字。（如果字?jǐn)?shù)多了，可自行刪減，大多數(shù)學(xué)校都是要求選取外文的一部分內(nèi)容進(jìn)行翻譯的。）STUDENTINFORMATIONMANAGEMENTSYSTEMBASEDONANDROIDPLATFORMKEYWORDSSYSTEMDESIGN,SOFTWAREDESIGN,ANDROIDSYSTEM,MANAGEMENTSYSTEMABSTRACTINTHISPAPER,THEDEVELOPMENTOFANDROIDBASEDSTUDENTMANAGEMENTSOFTWARESYSTEMTOENABLESTUDENTSTOSCHOOL,INTERACTIONWITHPARENTSANDTHESCHOOLHASANEWPLATFORM,ONTHISBASIS,THEPROMOTIONOFTHEWORKPROCESSSIMPLE,EFFICIENTWORK,EXPERIENCEANDSCIENTIFICSTUDENTMANAGEMENTANDQUALITY,MAKINGSCHOOLSREACHNEWHEIGHTSINTHEPROMOTIONOFINFORMATIONTECHNOLOGYINTRODUCTIONWITHTHEACCELERATIONOFTHERAPIDDEVELOPMENTOFNETWORKTECHNOLOGYANDINFORMATIONTECHNOLOGYENTERPRISESANDNATIONALCONSTRUCTIONPROGRESSOFINFORMATIONMANAGEMENT,WEBBASEDAPPLICATIONSANDMOBILETECHNOLOGYISINCREASINGLYCOMMON,THESEAPPLICATIONSLARGELYENHANCETHECOUNTRYSENTERPRISESINFORMATIONMANAGEMENTTOIMPROVETHEEFFICIENCYOFPRODUCTIONANDWORKORGANIZATIONTHEWHOLESYSTEMISDIVIDEDINTOFOURPARTS,NAMELY,THESTUDENTINFORMATIONCENTER,INFORMATIONDISSEMINATIONCENTER,INTERACTIONCENTERHOMESCHOOL,ANDSTUDENTS’MORALCENTERTHISFOURPARTSHAVEDIFFERENTFUNCTIONSSTUDENTINFORMATIONCENTER,THEFOUNDATIONISMAINLYRESPONSIBLEFORSTUDENTINFORMATION,GRADES,CURRICULUMANDOTHERENTRY,INQUIRY,STUDENTSTHROUGHTHESTUDENTINFORMATIONCENTERTOCHECKTHEIRTESTSCORESANDRANKINGINFORMATION,YOUCANALSOSEETHEIRSTUDENTINFORMATION,BUTCANALSOSEETOTHECURRICULUMANDSOONINFORMATIONCENTER,THESCHOOLSPRINCIPALISRELEASEDLESSONPLANS,HOMEWORKRELEASE,RELEASESTUDENTINFORMATION,HOLIDAYNOTICEPUBLISHING,STUDENTSANDTEACHERSASWELLASPARENTSCANTHENSEEWHERETHEUNIVERSITYSEVERYMOVEHOMESCHOOLINTERACTIONCENTER,THEMAINVOTINGPLATFORMINCLUDINGHOMESCHOOL,HOMESCHOOLSMSPUBLISHINGPLATFORM,PSYCHOLOGICALCOUNSELINGPLATFORMSEVERALPARTSFIGURE2SYSTEMDESIGNFLOWVOTEASPECTSOFTHEPROJECTHOMESCHOOLSCHOOLISSUEDVOTINGPLATFORMUSERSCANVOTEFORALLPARENTS’IMMEDIATERELEASEFIG2CHSCSMSPUBLISHINGPLATFORMTHATCANFACILITATECOMMUNICATIONBETWEENTHESCHOOLANDPARENTS,ANDMYHEARTBROKETHROUGHFACETOFACECONSULTATIONPLATFORMCOMMUNICATIONBARRIERS,TOPARENTSANDSTUDENTSAVIRTUALSPACETOEXPRESSMOODPROCESSDESIGNINCLUDESTHEFOLLOWINGASPECTSTHEDEVELOPMENTENVIRONMENTTOBUILDASERVER,ANDCONFIGURETHESERVERCREATEADATABASE,BASEDONTHENEEDSOFTHEDATATABLEDESIGNDEVELOPMENTSERVERINTERFACEINTERACTIONMODULEDESIGNISAPPLIEDTOTHEDATABASESERVERBUILDCLIENTUSERINTERFACEDESIGNTHECLIENTANDSERVERSIDEINTERACTIONMODULEREALIZATIONOFSYSTEMFUNCTIONSSTUDENTINFORMATIONCENTER,FORTHECLIENTTOGETTHESTUDENTSBASICINFORMATIONTOTHESERVER,THEUSERCANOBTAINTHEINFORMATIONCENTERBYTHESTUDENTBASICSTUDENT

簡(jiǎn)介：自組裝石墨烯碳納米管復(fù)合膜制備超級(jí)電容器1中文2890字出處出處THEJOURNALOFPHYSICALCHEMISTRYLETTERS,2009,12467470自組裝石墨烯碳納米管復(fù)合膜制備超級(jí)電容器DINGSHANYUANDLIMINGDAIDEPARTMENTOFCHEMICALENGINEERING,CASEWESTERNRESERVEUNIVERSITY,CLEVELAND,OHIO44106摘要在PEI陽(yáng)離子存在的條件下，通過還原剝離的氧化石墨制得穩(wěn)定的石墨烯片水溶液分散體系。得到的可溶于水的被PEI改進(jìn)的石墨烯薄片與有氧酸多層碳納米管經(jīng)順序自組裝形成復(fù)合碳薄膜。這些合成膜被證實(shí)擁有明確界定的納米孔的互聯(lián)網(wǎng)絡(luò)碳結(jié)構(gòu)，其被期待制成超級(jí)電容器，同時(shí)顯示接近矩形的伏安循環(huán)，即使在較高的掃描速率1V/S，平均比電為120F/G。關(guān)鍵詞納米顆粒和納米結(jié)構(gòu)由于其獨(dú)特的電性能、機(jī)械性能和大的比表面積，具有二維2D碳納米結(jié)構(gòu)的石墨烯納米薄膜（GNS）將成為一種新型的有前途的材料，在制動(dòng)器、太陽(yáng)能電池、場(chǎng)致發(fā)射裝置、場(chǎng)效應(yīng)晶體管、超級(jí)電容器和電池方面有很大的應(yīng)用前景。17把石墨烯薄膜作為儲(chǔ)能電極的合成膜成為特別有吸引力的選擇項(xiàng)目。8,9在這種情形下，在納米級(jí)別上通過控制合成膜的組成和結(jié)構(gòu)來改進(jìn)合成膜的性能非常關(guān)鍵。因此，使石墨烯薄膜具有可控加工的性能是重要的。近來，通過溶液的氧化還原把剝離的石墨轉(zhuǎn)變成氧化石墨烯GOS制得溶解狀態(tài)的GNS，10溶解狀態(tài)的GNS制成GN功能膜有多種溶液加工方法，如過濾，11溶劑蒸發(fā)成膜，12電泳沉積13和LANGMUIRBLODGETT沉積14。然而上面提到的大部分方法由于薄膜的結(jié)構(gòu)性質(zhì)難以控制，石墨烯團(tuán)聚導(dǎo)致的表面積減小將影響其能量?jī)?chǔ)藏。因此，在儲(chǔ)能方面的應(yīng)用，我們想用一維1D碳納米管CNTS物理分離二維石墨烯片保持石墨烯高的比表面積。自組裝石墨烯碳納米管復(fù)合膜制備超級(jí)電容器3圖1A數(shù)碼照片顯示出濃度為025毫克/毫升水性分散的還原氧化石墨烯溶液，在PEI存在下；B在PEIGN體系中分散的單層石墨烯的AFM圖；C剖面顯示厚度的PEIGN片狀。這些獲得的被PEI修飾的石墨烯可進(jìn)一步利用拉曼光譜儀（圖S1A，支持信息）、傅里葉紅外光譜儀（圖S1B）和X射線光電能譜XPS分析，圖2是GO和被PEI修飾的石墨烯的XPS光譜。圖2A顯示的是PEIGN的XPS光譜，其N的峰與GO的XPS光譜相比，清晰的表明PEI鏈吸附在合成GNS上。正如預(yù)期的那樣，在圖2B中的GO的C1S光譜波峰在2881和2863EV，這是由于C＝O和CO鍵的影響。相比之下，PEIGN的C1光譜由于C＝O和CO官能團(tuán)的存在會(huì)出現(xiàn)明顯的波峰降低圖2C。GO的表面氧基團(tuán)預(yù)計(jì)達(dá)到311，但是在用混合有PEI的肼處理后氧含量降至89。結(jié)果表明在PEI和肼的還原下有大量的脫氧反應(yīng)發(fā)生。這期間，在PEIGN中氧的百分?jǐn)?shù)達(dá)到81，表明PEI鏈連接在石墨烯薄膜。此外，PEIGN的C1S和N1S的XPS光譜表明胺NH2NH3C1S在2878EV和N1S在3995EV和酰胺鍵NC＝O存在，24表明一些PEI鏈已經(jīng)經(jīng)由酰胺鍵的形成在石墨烯表面形成共價(jià)連接。圖2和GO和PEIGN的XPS光譜圖2A寬掃描光譜；BGO的XPSC1S光譜；CPEIGN的XPSC1S光譜；DPEIGN的XPSN1光譜。PEIGN表面上大量的NH2基團(tuán)能夠得到質(zhì)子（NH3）通過一定的PH調(diào)節(jié)，使

簡(jiǎn)介：中文中文43004300字出處出處ENERGYCONVERSIONANDMANAGEMENT,2009,501613通過模糊控制器和PI控制器輸出電壓調(diào)節(jié)，設(shè)計(jì)和實(shí)現(xiàn)三相PWM整流器的高性能的直接功率控制摘要本文給出了直接功率控制（DPC）三相PWM整流器，采用了一種新的開關(guān)表，并且無電壓傳感器。瞬時(shí)有功功率和無功功率通過選擇變換器的最佳狀態(tài)被直接控制，作為PWM控制變量代替相電流被使用?？刂葡到y(tǒng)的主要目的是保持直流母線電壓在所需的水平，而來自電源的輸入電流應(yīng)當(dāng)是正弦的，各相電壓相位符合單位功率因數(shù)（UPF）操作。在直流母線電壓控制環(huán)中，傳統(tǒng)的PI和基于模糊邏輯的控制器，被用來提供有功功率指令。一種基于實(shí)驗(yàn)系統(tǒng)的DSPACE用作證實(shí)DPC的有效性。穩(wěn)態(tài)和動(dòng)態(tài)的結(jié)果，說明了操作和控制方案所呈現(xiàn)的性能。結(jié)果顯示，證實(shí)了新的DPC比經(jīng)典DPC更好。線電流非常接近正弦波（THD＜2）并且通過使用PI和模糊控制器實(shí)現(xiàn)直流母線電壓良好的調(diào)節(jié)。此外，模糊邏輯控制器展現(xiàn)出優(yōu)良暫態(tài)性能，良好地抑制負(fù)載擾動(dòng)的影響，和優(yōu)越的的魯棒性。關(guān)鍵詞關(guān)鍵詞直接功率控制PWM整流器瞬時(shí)有功功率直接轉(zhuǎn)矩控制開關(guān)表模糊邏輯控制1介紹大多數(shù)的三相整流器，被廣泛地用在工業(yè)領(lǐng)域和消費(fèi)產(chǎn)品領(lǐng)域，使用二極管橋電路和散裝存儲(chǔ)電容。有簡(jiǎn)單，穩(wěn)定和低成本的優(yōu)勢(shì)。然而，整流二極管，產(chǎn)生單向功率流，低功率因子，功率流，和高層次的輸入諧波電流。與有源和無源濾波器分開，最好的解決方案是使用脈沖寬度調(diào)制（PWM）調(diào)整。三相脈沖寬度調(diào)制（PWM）研究在過去的幾年迅速發(fā)展，由于它的優(yōu)越性，比如能源的再生能力，直流總線電壓覆蓋廣闊的范圍，輸入電流低諧波失真。由于轉(zhuǎn)換EA、EB、EC三相電源電壓；VA、VB、VC交流終端PWM整流器的電壓；IA、IB、IC三相線電流；SA，SB，SC轉(zhuǎn)換器的開關(guān)狀態(tài)；L、R電感和電阻的反應(yīng)堆；C、RL直流環(huán)節(jié)電容和負(fù)載電阻?？刂破鞴δ芾^電器通過遲滯比較器和一個(gè)轉(zhuǎn)換表控制有功功率和無功功率。在這個(gè)配置中，直流母線電壓通過調(diào)節(jié)有功功率被控制的，功率因數(shù)通過控制無功功率為零獲得的。如圖1所示，有功功率命令P來自一個(gè)直流母線電壓控制器，無功功率命令，Q是直接從外部控制器的給定。在指令和預(yù)計(jì)的反饋功率之間的錯(cuò)誤輸入到遲滯比較器和數(shù)字化的信號(hào)SP和SQ，在這里表示為HPP?PIF0SPHPP?PIF1P????，S，，，HQQ?PIF0QHQQ?PIF1Q????SS同時(shí)，電源電壓的相位矢量轉(zhuǎn)換為數(shù)字化信號(hào)HN。為此，固定的坐標(biāo)分為12個(gè)部分。如圖2所示，這部分?jǐn)?shù)值上表示為121,2N61NN62N，Π）（Π）（????數(shù)字化誤差信號(hào)SP和SQ和數(shù)字化電壓相位HN輸入轉(zhuǎn)換表包括每一個(gè)開關(guān)狀態(tài)，轉(zhuǎn)換器的SA，SB，SC被儲(chǔ)存。通過使用這個(gè)開關(guān)表，根據(jù)輸入信號(hào)的組合，轉(zhuǎn)換器的最優(yōu)開關(guān)狀態(tài)能夠在每一個(gè)特定的時(shí)刻被獨(dú)特地選擇。22轉(zhuǎn)換表合成在靜止的參考系A(chǔ)B和一個(gè)平衡的三相系統(tǒng)，線路電流方程可以表示為）（??????IVE1DTDIRLVE1DTDI???IRL???線電流矢量IA，IB可以通過選擇控制恰當(dāng)?shù)恼麟妷菏噶?。在選擇整流器電壓矢量VAB上，在實(shí)際的線電流測(cè)量上，線電流的變化依賴于實(shí)際的電源電壓

簡(jiǎn)介：中文中文5130字簡(jiǎn)介本文就高等院校的體育教育質(zhì)量管理系統(tǒng)的現(xiàn)狀和發(fā)展策略的實(shí)施展開簡(jiǎn)介本文就高等院校的體育教育質(zhì)量管理系統(tǒng)的現(xiàn)狀和發(fā)展策略的實(shí)施展開了深入的探索和研究，從其基本特征、目前的實(shí)施情況以及影響因素等方面，了深入的探索和研究，從其基本特征、目前的實(shí)施情況以及影響因素等方面，調(diào)查分析了高等院校的體育教育質(zhì)量管理系統(tǒng)，并分析了普通高等院校的體育調(diào)查分析了高等院校的體育教育質(zhì)量管理系統(tǒng)，并分析了普通高等院校的體育教育質(zhì)量管理系統(tǒng)的運(yùn)行子系統(tǒng)，同時(shí)結(jié)合子系統(tǒng)來調(diào)查現(xiàn)狀來進(jìn)行最優(yōu)設(shè)教育質(zhì)量管理系統(tǒng)的運(yùn)行子系統(tǒng)，同時(shí)結(jié)合子系統(tǒng)來調(diào)查現(xiàn)狀來進(jìn)行最優(yōu)設(shè)計(jì)。本文還進(jìn)一步提出了發(fā)展策略的建議，為該領(lǐng)域未來的探索和研究提供了計(jì)。本文還進(jìn)一步提出了發(fā)展策略的建議，為該領(lǐng)域未來的探索和研究提供了參考。參考。關(guān)鍵詞高等院校；體育教學(xué)；教育質(zhì)量管理關(guān)鍵詞高等院校；體育教學(xué)；教育質(zhì)量管理對(duì)于改革和發(fā)展高等教育而言，建立和發(fā)展教育質(zhì)量管理系統(tǒng)非常必要。高等教育質(zhì)量的核心是人才培訓(xùn)的質(zhì)量，任何領(lǐng)域的人才培訓(xùn)均以良好的身體及精神健康作為先決條件。因此，在高校建立一個(gè)有效的體育教育質(zhì)量質(zhì)量管理體系為輸送社會(huì)建設(shè)人才和培養(yǎng)一生的體育鍛煉習(xí)慣提供了堅(jiān)實(shí)的保證。一．高等院校的體育教育質(zhì)量管理體系的現(xiàn)狀高校體育教育質(zhì)量管理體系的總體發(fā)展?fàn)顩r在接受調(diào)查的23所高校當(dāng)中，15所高校實(shí)行體育教育質(zhì)量管理體系，6所高校沒有實(shí)行，2所高校準(zhǔn)備實(shí)行（見表1），實(shí)行的高校和沒有實(shí)行的高校的比例約為21。表1高等院校體育教育質(zhì)量管理體系的總體實(shí)行情況實(shí)行情況實(shí)行沒有實(shí)行準(zhǔn)備實(shí)行高校1562比例6522260969調(diào)查問卷2683比例702721628111998年，全國(guó)高校招收108萬(wàn)名新生，在校生達(dá)340名。到1999年，全國(guó)高校招收160萬(wàn)名新生，比1998年增加520,000名，增長(zhǎng)率為47；到2004年，全國(guó)高校的在招生數(shù)量達(dá)447萬(wàn)，在校生為1333萬(wàn)；各類高校的總規(guī)模達(dá)2千萬(wàn)，高等教育的毛入學(xué)率增長(zhǎng)了191,2。在1999年到2004年之勵(lì)和發(fā)展社會(huì)中介評(píng)估組織（例如學(xué)科協(xié)會(huì)和相關(guān)企業(yè)的專家評(píng)估團(tuán)隊(duì)等）來積極參與高等院校體育教育質(zhì)量管理體系的鑒定活動(dòng)。強(qiáng)化宏觀、中介和微觀管理機(jī)構(gòu)之間的協(xié)調(diào)重視高等院校的內(nèi)部管理部門以形成上下級(jí)機(jī)構(gòu)、縱向和橫向組織、水平和交叉線組織之間的互相信任、互相協(xié)調(diào)和信息共享。這主要針對(duì)國(guó)家高等教育行政部門來建立相對(duì)的國(guó)家級(jí)組織和機(jī)構(gòu)，并相繼在高校建立內(nèi)部信息接收機(jī)構(gòu)、傳輸機(jī)構(gòu)等，以便將所發(fā)布的體育教育質(zhì)量管理的相關(guān)信息源傳輸?shù)较录?jí)；在每級(jí)組織內(nèi)部建立信息分享平臺(tái)來進(jìn)行信息的傳輸和交流每個(gè)高校必須通過委派資訊主任和其他方式來從高層權(quán)威機(jī)構(gòu)接收信息、快速接收信息并準(zhǔn)確傳輸?shù)交鶎咏M織，同時(shí)也便于開展工作。充分發(fā)揮體育教育質(zhì)量管理主體的主觀能動(dòng)性充分發(fā)揮體育教育質(zhì)量管理主體的主觀能動(dòng)性是有效實(shí)行管理體系的關(guān)鍵，主要通過培訓(xùn)管理主體的管理能力，約束訓(xùn)管理主體的管理行為，提高管理主體（如領(lǐng)導(dǎo)、教師、學(xué)生以及相關(guān)工作人員等）的可信性和誠(chéng)實(shí)度。約束管理行為是培訓(xùn)和提高管理主體的管理能力的關(guān)鍵補(bǔ)充，也是驅(qū)使管理主體發(fā)揮主觀能動(dòng)性的外力。它從自然意識(shí)出發(fā)來培訓(xùn)體育教育質(zhì)量管理主體的管理能力該管理能力需在長(zhǎng)期的教學(xué)當(dāng)中逐漸形成和培養(yǎng)，因此，它具有可塑性，其培訓(xùn)應(yīng)關(guān)注長(zhǎng)期特征和持續(xù)性。這主要通過加強(qiáng)教育培訓(xùn)、提高管理意識(shí)及提升教師的管理熱情；建立教育場(chǎng)景，訓(xùn)練并考察教師在教學(xué)過程中的敏感性以及學(xué)生的學(xué)習(xí)成果，來提高自我反饋和評(píng)估的能力；通過哲學(xué)、心理學(xué)和其他基本學(xué)科來實(shí)施學(xué)校的基本培訓(xùn)，訓(xùn)練管理主體的辯證思維和自省思維能力；與此同時(shí)，提高一系列過程的指導(dǎo)工作，如學(xué)習(xí)、檢查、進(jìn)步和進(jìn)一步的自省。約束管理行為并促進(jìn)體育教育質(zhì)量管理主體的管理能力的形成管理行為時(shí)管理能力的外在表現(xiàn)，因此，在具有一定質(zhì)量意識(shí)的基礎(chǔ)上，通過約束管理行為來進(jìn)一步促進(jìn)管理主體的管理能力的形成。通過形成行為準(zhǔn)則、監(jiān)督體系和約束機(jī)制，來約束領(lǐng)導(dǎo)、管理人、教師和學(xué)生中各管理主體的自控行為和相控行為。這主要集中在體育教師在教學(xué)準(zhǔn)備過程中的管理行為、方式方法的使用以及口頭的和非口頭的交流等具體環(huán)節(jié)7，并通過課堂教學(xué)來實(shí)施措施。嚴(yán)格控制管理主體的可信性和誠(chéng)實(shí)度以保證管理行為的有效性首先，在管理過程中保障該可信性和誠(chéng)實(shí)度，確保管理主體明確可信性和誠(chéng)實(shí)度，并具有可信性和誠(chéng)實(shí)度的意識(shí)；對(duì)管理和服務(wù)工作人員，定期檢查其可信性和誠(chéng)實(shí)度，及其可信性和誠(chéng)實(shí)度的記錄和評(píng)估；通過加強(qiáng)典型榜樣教育、示范教育和廣泛宣傳，創(chuàng)造一個(gè)教師可信性和誠(chéng)實(shí)度的良好

簡(jiǎn)介：1大學(xué)生自我職業(yè)生涯規(guī)劃探析摘要職業(yè)規(guī)劃是人力資源管理領(lǐng)域的重要課題之一，職業(yè)規(guī)劃是個(gè)人發(fā)展的主體需要，一個(gè)人要成就一番事業(yè)就必須有對(duì)自身清醒的認(rèn)識(shí)和明確的人生規(guī)劃；同時(shí)個(gè)體的職業(yè)規(guī)劃又是整體社會(huì)發(fā)展的客觀要求，大學(xué)生是社會(huì)構(gòu)成的特殊群體，更是推動(dòng)社會(huì)進(jìn)步的生力軍，這一群體是否有明確的職業(yè)生涯規(guī)劃，能否在激烈的社會(huì)競(jìng)爭(zhēng)中找到合適的位置貢獻(xiàn)自己的力量，具有非常重要的現(xiàn)實(shí)意義。而我國(guó)針對(duì)大學(xué)生的職業(yè)規(guī)劃教育和研究才剛剛起步，在機(jī)構(gòu)和服務(wù)上都遠(yuǎn)遠(yuǎn)滿足不了需求，所以大學(xué)生提高自我職業(yè)規(guī)劃意識(shí)，積極的進(jìn)行自己的人生規(guī)劃是很有必要也是迫在眉睫的。以下論述在導(dǎo)師悉心的指導(dǎo)下，相應(yīng)借鑒文獻(xiàn)資料結(jié)合心理測(cè)評(píng)工具，提出了適合大學(xué)生提高自我認(rèn)知，合理規(guī)劃職業(yè)生涯的理論方法和建議，希望能給當(dāng)前大學(xué)生在職業(yè)生涯規(guī)劃應(yīng)用方面提供些許幫助。關(guān)鍵詞關(guān)鍵詞大學(xué)生自我認(rèn)知職業(yè)生涯規(guī)劃ABSTRACTCAREERPLANNINGISANIMPORTANTRESEARCHPROJECTOFTHEHUMANRESOURCESMANAGEMENTTOPICAREA，CAREERPLANNINGISONEPERSONDEVELOPMENTNEEDS，APERSONTOACAREER，YOUMUSTHAVEACLEARANDDEFINITELIFEPLANNING，WHILETHEINDIVIDUALCAREERPLANNINGISTHEOBJECTIVEREQUIREMENTOFTHEDEVELOPMENTOFTHEWHOLESOCIETYCOLLEGESTUDENTSARESPECIALSOCIALGROUP，ANDTHEYARETHEMAINFORCEOFTHESOCIALPROGRESS，THISGROUPHAVECLEARCAREERPLANNING，WHETHERINTHEFIERCECOMPETITIONINTHESOCIETYTOFINDASUITABLELOCATIONTOCONTRIBUTETHEIRSTRENGTH，HASVERYIMPORTANTPRACTICALSIGNIFICANCEANDOURCOUNTRYACCORDINGTOTHECOLLEGESTUDENTSEDUCATIONANDRESEARCHOFCAREERPLANNINGHASJUSTSTARTED，THEORGANIZATIONANDTHESERVICEISCANTSATISFYTHEDEMAND，SOSTUDENTSIMPROVESELFAWARENESS，MAKECAREERPLANNINGFORHISLIFEOFACTIVELYPLANNINGISVERYNECESSARYANDIMMINENTFOLLOWINGTHETEACHERCAREFULLY，UNDERTHEGUIDEOFCORRESPONDINGREFERENCELITERATURECOMBININGPSYCHOLOGICALEVALUATIONTOOLFORCOLLEGESTUDENTS，ANDPUTSFORWARDIMPROVINGEGOCOGNITION，RATIONALPLANNINGCAREERTHEORYMETHODSANDSUGGESTIONS，IHOPINGINCAREERPLANNINGAPPLICATIONSITCANPROVIDESOMEHELPFORCOLLEGESTUDENTSKEYWORDSUNDERGRADUATESCAREERPLANNINGSELFPERCEPTION1前言大學(xué)時(shí)代是精彩人生的黃金起點(diǎn)，現(xiàn)代文明的今天，為大學(xué)生提供了實(shí)現(xiàn)人生理想與價(jià)值的機(jī)會(huì)和空間，同時(shí)也提出了更高層次的要求與挑戰(zhàn)。我國(guó)高校經(jīng)過擴(kuò)招，高等教育逐步普及，使每年大學(xué)畢業(yè)生幾乎成倍增長(zhǎng)，而許多大學(xué)生對(duì)于走出校門，開始自己的職業(yè)生涯充滿盲目和迷惑，導(dǎo)致‘畢業(yè)等于失業(yè)’、頻繁跳槽現(xiàn)象普遍存在，究其原因，大部分大學(xué)生沒有一個(gè)明晰的職業(yè)生涯規(guī)劃是很重要的一點(diǎn)。每個(gè)人都會(huì)有自己的夢(mèng)想，憧憬著光輝燦爛的未來，向往著如花似錦的前程。面對(duì)嚴(yán)峻的就業(yè)形勢(shì)，如何明確了解自己，認(rèn)清自己的位置與方向，規(guī)劃適合自己的道路，是每一位大學(xué)生值得深思的問題。如果大學(xué)生能盡早的進(jìn)行個(gè)人的職業(yè)生涯規(guī)劃，在畢業(yè)時(shí)就能有一個(gè)合適的選擇方向，在未來職業(yè)生涯中就能充分體現(xiàn)自我價(jià)值，大學(xué)生應(yīng)把握機(jī)遇，在大學(xué)期間對(duì)自己的職業(yè)生涯進(jìn)行科學(xué)系統(tǒng)的規(guī)劃，只有明確自己的目標(biāo)，有針對(duì)性的不斷充實(shí)與完善自己，才能把握鍛煉自己塑造自己的每一次機(jī)遇，才能謀求一個(gè)令自己充滿活力的發(fā)展空間，為夢(mèng)想插上翅膀，在未來的天空中自由翱翔。在21世紀(jì)經(jīng)濟(jì)與科技高速發(fā)展的今天，人力資本無可爭(zhēng)議的成為企業(yè)乃至國(guó)家在競(jìng)爭(zhēng)中保持優(yōu)勢(shì)的關(guān)鍵，而大學(xué)生正是企業(yè)和國(guó)家人力資本大軍的后續(xù)隊(duì)，大學(xué)生規(guī)劃科學(xué)明確的職業(yè)生涯，不僅對(duì)自己人生發(fā)展有著導(dǎo)向的作用，而且對(duì)優(yōu)化整個(gè)國(guó)家的人力資源結(jié)構(gòu)推動(dòng)社會(huì)進(jìn)步發(fā)展也有著重要的意義。下文將對(duì)大學(xué)生提高自我認(rèn)知，進(jìn)行合理職業(yè)生涯規(guī)劃方面提出粗淺的認(rèn)識(shí)，旨在幫助大學(xué)生以自己的實(shí)際行動(dòng)，認(rèn)識(shí)自己了解自己，做出合理的職業(yè)生涯規(guī)劃，為自己未來的發(fā)展打下良好的基礎(chǔ)，可以充分實(shí)現(xiàn)自身價(jià)值，為社會(huì)做出應(yīng)有的貢獻(xiàn)。1大學(xué)生職業(yè)生涯規(guī)劃概述職業(yè)生涯規(guī)劃學(xué)說起始于20世紀(jì)60年代，作為人力資源管理理論的重要內(nèi)容之一，職業(yè)生涯規(guī)劃專業(yè)研究是在美國(guó)興起的，隨后又被引入到其他歐美國(guó)家，并得到了快速發(fā)展。20世紀(jì)70年代在美國(guó)又興起了職業(yè)生涯規(guī)劃教育，許多高校開始著眼于為

簡(jiǎn)介：此文檔是畢業(yè)設(shè)計(jì)外文翻譯成品（含英文原文中文翻譯），無需調(diào)整復(fù)雜的格式下載之后直接可用，方便快捷本文價(jià)格不貴,也就幾十塊錢一輩子也就一次的事外文標(biāo)題ANINFORMATIONACQUISITIONSYSTEMFORAGRICULTURALPRODUCTORIGINSAFETYBASEDONANDROIDSMARTPHONE外文作者SHOUHUIPAN,KAIYIWANG,ZHIBINWANG,YANYUNHAN1ANDXIAOFENGWANG文獻(xiàn)出處20192NDINTERNATIONALCONFERENCEONMECHATRONICS,CONTROLANDAUTOMATIONENGINEERINGMCAE2019如覺得年份太老，可改為近2年，畢竟很多畢業(yè)生都這樣做英文2240單詞，14948字符字符就是印刷符，中文3438漢字。（如果字?jǐn)?shù)多了，可自行刪減，大多數(shù)學(xué)校都是要求選取外文的一部分內(nèi)容進(jìn)行翻譯的。）ANINFORMATIONACQUISITIONSYSTEMFORAGRICULTURALPRODUCTORIGINSAFETYBASEDONANDROIDSMARTPHONEKEYWORDSAGRICULTURALPRODUCT,ORIGINSAFETY,SMARTPHONEABSTRACTCURRENTLY,THEDATAACQUISITIONMETHODFORAGRICULTURALPRODUCTORIGINSAFETYISSTILLLAGGINGBEHIND,THUSITISDIFFICULTTOUPLOADTHEMONITORINGDATAINATIMELYANDCONVENIENTWAYANINFORMATIONACQUISITIONSYSTEMFORAGRICULTURALPRODUCTORIGINSAFETYBASEDONANDROIDSMARTPHONEWASDEVELOPEDTHEDESIGNOFTHEINFORMATIONACQUISITIONSYSTEMWASBASEDONTHEC/SARCHITECTURE,INCLUDINGSMARTPHONEAPPANDSERVERSIDESOFTWARETHESMARTPHONEAPPCANACHIEVETHERAPIDPOSITIONINGOFTHEMONITORINGPOINT,DATACORRECTION,REALTIMEDATATRANSMISSIONANDAUTOMATICARCHIVINGDEMONSTRATIONRESULTSSHOWTHATTHESYSTEMHASTHECHARACTERISTICSOFCONVENIENTCOLLECTION,RAPIDTRANSMISSIONANDHIGHEFFICIENCYCOMPAREDWITHTHETRADITIONALDATAACQUISITIONMODETHESYSTEMISSUITABLEFORTHEDATAACQUISITIONOFGRASSROOTSAGRICULTURALENVIRONMENTALMONITORINGSTATION,ANDITCANEFFECTIVELYTHEFRAMEWORKOFTHESYSTEMTHEFOLLOWINGPRINCIPLESSUCHASPRACTICABILITY,PROGRESSIVENESS,OPENNESS,ADAPTABILITYANDSECURITYWEREFOLLOWEDINTHEDESIGNOFTHESYSTEMTHEPRACTICALITYOFTHESYSTEMWASCONSIDEREDPRIORITY,IE,THEFUNCTIONALMODULESOFTHESYSTEMMUSTMEETTHEPRACTICALNEEDSOFDATAACQUISITIONOFAGRICULTURALORIGINSAFETYONTHISBASIS,THEFOLLOWINGPRINCIPLESSUCHASPROGRESSIVENESS,OPENNESS,ADAPTABILITYAREEMPHASIZEDLASTBUTNOTLEAST,SECURITYSHOULDBEPAIDSPECIALATTENTIONINORDERTOENSURETHESECURITYOFDATAINTHESYSTEMDESIGNMANYSECURITYMEASURESSUCHASUSERACCESSPOLICY,DATAENCRYPTIONANDSECUREACCESSAUTHENTICATION,WERECONDUCTEDTOENSURETHESECURITYOFDATATHESAFETYDATACOLLECTIONSYSTEMOFAGRICULTURALPRODUCTSORIGINCONSISTEDOFTWOPARTSCOLLECTINGTERMINALSOFTWARESMARTPHONEAPPANDSERVERSIDEPROGRAM,ADOPTINGC/SARCHITECTUREDESIGNWHERETHESMARTPHONEAPPWASMAINLYRESPONSIBLEFORDATAQUERY,DATACOLLECTIONANDSUBMISSIONSERVERSIDEPROGRAMWASMAINLYRESPONSIBLEFORDATASTORAGE,PROCESSINGANDSTATISTICALANALYSISDATAEXCHANGEBETWEENSMARTPHONEAPPANDSERVERSIDEPROGRAMWASCONDUCTEDBYCALLINGWEBSERVICEASSHOWNINFIGURE1,THEOVERALLARCHITECTUREOFTHESYSTEMWASDIVIDEDINTOTHREELAYERSBUSINESSAPPLICATIONLAYER,APPLICATIONSUPPORTLAYERANDDATABASELAYERTHESERVERCONSISTEDOFAPPLICATIONSERVERANDDATABASESERVER,WHEREAPPLICATIONSERVERPROGRAMWASDEVELOPEDBYJAVALANGUAGEJDK16,HIBERNATE4ANDSPRING4BASEDONECLIPSEIDEPLATFORM,ANDDATABASESERVERWASMAINLYRESPONSIBLEFORTHESTORAGEOFDATA,ONWHICHTHEMYSQL56SOFTWAREISRUNNINGTHESMARTPHONEAPPWASDEVELOPEDUSINGANDROIDSTUDIOIDEBASEDONANDROIDSDKVERSION60THATCANCOMPATIBLEWITHANDROIDVERSION40ABOVETHERESTOFTHEPAPERWILLINTRODUCETHEARCHITECTUREANDFUNCTIONALFEATURESOFMOBILEAPPINDETAIL

簡(jiǎn)介：此文檔是畢業(yè)設(shè)計(jì)外文翻譯成品（含英文原文中文翻譯），無需調(diào)整復(fù)雜的格式下載之后直接可用，方便快捷本文價(jià)格不貴,也就幾十塊錢一輩子也就一次的事外文標(biāo)題DESIGNAPPROACHESOFWEBAPPLICATIONWITHEFFICIENTPERFORMANCEINJAVA外文作者OHSOOKWONANDHYEJABANG文獻(xiàn)出處IJCSNSINTERNATIONALJOURNALOFCOMPUTERSCIENCEANDNETWORKSECURITY,VOL11NO7,JULY2018如覺得年份太老，可改為近2年，畢竟很多畢業(yè)生都這樣做英文2320單詞，14857字符字符就是印刷符，中文3894漢字。（如果字?jǐn)?shù)多了，可自行刪減，大多數(shù)學(xué)校都是要求選取外文的一部分內(nèi)容進(jìn)行翻譯的。）DESIGNAPPROACHESOFWEBAPPLICATIONWITHEFFICIENTPERFORMANCEINJAVAABSTRACTSYSTEMIMPLEMENTATIONUSINGCLIENT/SERVERBASEDONWEBBYSPREADINGFASTISBECOMINGCOMMONTHISKINDOFWEBENVIRONMENTINTRODUCTIONSOLVEDMANYPROBLEMSSUCHASTHEDEPENDENCYANDDISTRIBUTIONDIFFICULTY,HIGHCOST,ETCWEBAPPLICATIONANDWEBSERVICETECHNOLOGYHASMORECLOSELYANDEFFECTIVELYDEVELOPEDTOMAXIMIZETHEPOSITIVEPOINTOFWEBENVIRONMENTBASEDONTHEPOSITIVEPOINT,INTHISPAPER,WEPROPOSEANDIMPLEMENTWEBAPPLICATIONDESIGNMETHODTOIMPLEMENTITEFFECTIVELYANDALSO,WENEEDTOMAKEITPOSSIBLETOIMPLEMENTONANYPLATFORMBASEDONJAVAFIRST,WEHAVEIMPLEMENTEDREUSABLESQLSERVLETDATABASESEARCH,REGISTRATION,UPDATE,DELETE,ETCFASTANDCONVENIENTUSINGSQLSERVLETFORONLYSQLSERVICESECOND,ITWRITESBUSINESSLOGICTOTHEJSPFILEWITHFORWARDSERVLETTOPREVENTRESTARTINGTHEWEBSERVER,SOITCANPREVENTRESTARTINGTHESERVERWHENCOMPILINGFROMADDINGORCHANGINGJAVAFILETHESETWOMETHODSPROVIDEEASINESS,ANDSHORTENINGTHEDEVELOPINGPERIOD,SCALABILITYANDFLEXIBILITYHAVEIMPROVED,ANDITISVERYEFFECTIVEWAYFORTHEMAINTENANCERELATEDCLASSFILE,SUBDIRECTORYSERVLETFILESANDRELATEDCLASSFILES,JAVABEANSCLASSDIRECTORYANDLIBDIRECTORYOFLIBRARYFILESWHICHISUSEDINWEBAPPLICATIONTHEACTUALWEBAPPLICATIONDIRECTORYLOCATIONANDSTRUCTUREAREASFOLLOW1FIGURE1WEBAPPLICATIONDIRECTORYSTRUCTURETHEDESCRIPTIONSOFWEBAPPLICATIONDIRECTORYSTRUCTUREISASFOLLOWPROPERTIESITISANENVIRONMENTSETFILETOWARDWEBAPPLICATIONCONFIGURATIONBASICALLY,WEBAPPLICATIONSETTINGWASSETASDEFAULTSOURCEITISADIRECTORYFORBUSINESSLOGICJAVAFILESWHICHWILLBEUSEDFORWEBAPPLICATIONWEBPAGEITSTORESHTML,IMAGE,JAVASCRIPTFILE,ETCTOTHEBASEDOCDIRECTORYOFWEBAPPLICATIONWEBINF

簡(jiǎn)介：此文檔是畢業(yè)設(shè)計(jì)外文翻譯成品（含英文原文中文翻譯），無需調(diào)整復(fù)雜的格式下載之后直接可用，方便快捷本文價(jià)格不貴,也就幾十塊錢一輩子也就一次的事外文標(biāo)題THEDESIGNANDREALIZATIONOFPECOURSESELECTIONSYSTEMBASEDONB/S/SSTRUCTURETECHNOLOGY外文作者WEIDONGLI，YUKUOWANG文獻(xiàn)出處2018INTERNATIONALCONFERENCEONCOMPUTATIONALANDINFORMATIONSCIENCES如覺得年份太老，可改為近2年，畢竟很多畢業(yè)生都這樣做英文2363單詞，14723字符字符就是印刷符，中文3717漢字。（如果字?jǐn)?shù)多了，可自行刪減，大多數(shù)學(xué)校都是要求選取外文的一部分內(nèi)容進(jìn)行翻譯的。）THEDESIGNANDREALIZATIONOFPECOURSESELECTIONSYSTEMBASEDONB/S/SSTRUCTURETECHNOLOGYABSTRACTINORDERTOSOLVETHEPROBLEMSINCOLLEGEPECOURSESELECTIONSUCHASTHEDISORDER,BEINGTIMECONSUMINGANDHARDTOMANAGE,THISPAPER,CONSIDERINGTHESPECIALTYCHARACTERISTICSOFCOLLEGEPECOURSEMANAGEMENT,CONSTRUCTSONLINECOURSESELECTIONSYSTEMBASEDONB/S/SMODEBYADOPTINGASPDYNAMICWEBPAGESTECHNOLOGYCOMBINEDWITHDATABASETECHNOLOGYODBCANDADOTHESYSTEMINCLUDESTHREEFUNCTIONMODULESSTUDENTS’FUNCTIONMODULE,TEACHERS’FUNCTIONMODULEANDADMINISTRATOR’SFUNCTIONMODULE,ANDITREALIZESTHEFUNCTIONSSUCHASINFORMATIONSETTING,INFORMATIONQUERY,INFORMATIONBROWSING,INFORMATIONMODIFICATIONANDINFORMATIONADDITION,ETCMEANWHILE,THISPAPERALSOPUTSEMPHASISONTHEINTRODUCTIONOFVARIOUSFUNCTIONMODULES,SYSTEMSTRUCTURE,KEYTECHNOLOGY,ANDDESIGNOFDATABASEANDTHEREALIZATIONOFSECURITYMECHANISMOFTHESYSTEMAFTERTEST,THISSYSTEMHASTHECHARACTERISTICSOFCONVENIENT,FASTANDSTABLEOPERATION,ANDITHASASTRONGINTERACTIONTHISSYSTEMBASICALLYREALIZESTHEFUNCTIONSSUCHASONLINECOURSESELECTION,COURSESELECTIONMANAGEMENT,ANDCOURSESELECTIONQUERY,ETC,WHICHSATISFIESTHEDEMANDSOFCOLLEGEPETEACHINGINFORMATIZATIONMANAGEMENTTHESYSTEMTAKESADOACTIVEXDATAOBJECTCOMPONENTASDATABASESOLUTION23,BECAUSEADOISALMOSTCOMPATIBLEWITHALLKINDSOFDATABASESYSTEMSINASPPAGES,ADOOBJECTSCANBECALLEDTOREALIZETHEOPERATIONTODATABASE,WHICHACCESSESDATABASETHROUGHODBCORRELEVANTDATABASEENGINETOCGIPROGRAM,ITISMULTITHREADINGANDWHENALARGENUMBEROFCONCURRENTREQUESTSOCCUR,ITCANMAINTAINTHEOPERATIONEFFICIENCYOFTHESERVERCOMPAREDTOISAPI,ITSDEVELOPINGTOOLLANGUAGEISSIMPLE,ITSWORKLOADISLITTLE,ITTAKESLESSSYSTEMRESOURCESANDITSEFFICIENCYISVERYHIGH,BUTBECAUSEISAPIPROCESSANDSERVERPROCESSAREINTHESAMESYSTEMPROCESSSPACE,AVIOLATIONOPERATIONMAYLEADTOTHECOLLAPSEOFTHEWEBSERVER,ESPECIALLYFORPECOURSESELECTIONSYSTEMWHICHISANEWNETWORKAPPLICATIONSOFTWARE,MISTAKECANNOTBEAVOIDEDINOPERATIONTHUS,THEADVANTAGESOFAODSHOULDBEUTILIZEDEASYTOUSE,HIGHSPEED,TAKINGSMALLMEMORYANDDISKSPACEBYCOMBINATIONWITHASP,WEBPAGESCANBESETUPTOPROVIDEDATABASEINFORMATIONANDALLOWVISITORSTOREALIZETHEFUNCTIONSSUCHASQUERYING,INSERTING,UPDATINGANDDELETINGSTATIONSERVERINTHEBROWSERFIGURE2FIGURE2THESYSTEMSTRUCTUREOFASPDATABASEACCESSTECHNOLOGYIIISYSTEMSTRUCTURETHISSYSTEMADOPTSB/S/SSTRUCTURE,WHICHSTANDSFORTHECURRENTDEVELOPMENTTENDENCYOFDATABASEAPPLICATIONSOFTWARETECHNOLOGY4B/S/SSTRUCTUREISTHEINHERITANCEANDDEVELOPMENTOFC/SSTRUCTURE,WHICHISTHEDATABASESYSTEMSTRUCTUREFORMEDINTHEPROCESSOFTHECOMBINATIONOFINTERNETTECHNOLOGYANDDATABASETECHNOLOGYB/S/SSTRUCTUREISBASEDONTCP/IPOPENNETWORKSTANDARDPROTOCOLS,WHICHHAVESTRONGSYSTEMINDEPENDENCEANDPLATFORMINDEPENDENCEITFULLYDISPLAYSTHEHIGHLYEFFICIENTDATASTORAGEANDDATAMANAGEMENTCAPACITYOFDBMSANDAPPLIES

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簡(jiǎn)介：此文檔是畢業(yè)設(shè)計(jì)外文翻譯成品（含英文原文中文翻譯），無需調(diào)整復(fù)雜的格式下載之后直接可用，方便快捷本文價(jià)格不貴,也就幾十塊錢一輩子也就一次的事外文標(biāo)題THEDEVELOPMENTOFASTANDARDIZEDSKILLASSESSMENTFORJUNIORVOLLEYBALLPLAYERS外文作者TIMJGABBETTANDBORISGEORGIEFF文獻(xiàn)出處INTERNATIONALJOURNALOFSPORTSPHYSIOLOGYANDPERFORMANCE1295107JULY2018如覺得年份太老，可改為近2年，畢竟很多畢業(yè)生都這樣做英文3770單詞，26078字符字符就是印刷符，中文6397漢字。（如果字?jǐn)?shù)多了，可自行刪減，大多數(shù)學(xué)校都是要求選取外文的一部分內(nèi)容進(jìn)行翻譯的。）THEDEVELOPMENTOFASTANDARDIZEDSKILLASSESSMENTFORJUNIORVOLLEYBALLPLAYERSABSTRACTPURPOSETODEVELOPASKILLASSESSMENTFORJUNIORVOLLEYBALLPLAYERSANDTOEVALUATETHERELIABILITY,VALIDITY,ANDSENSITIVITYOFTHETESTFORDETECTINGTRAININGINDUCEDIMPROVEMENTSINSKILLMETHODSTHIRTYJUNIORVOLLEYBALLPLAYERSMEAN±SDAGE,155±10YEARSPARTICIPATEDINTHISSTUDYSUBJECTSPERFORMEDTESTSOFSPIKING,SETTING,SERVING,ANDPASSINGSKILLSON2SEPARATEOCCASIONSTODETERMINETEST–RETESTRELIABILITYOFACCURACYTWOEXPERTCOACHESEVALUATEDTHEPLAYERS’TECHNIQUEANDREEVALUATEDIT1MONTHAFTERTHEINITIALEVALUATIONTODETERMINETHEINTRATESTERRELIABILITYFORTECHNIQUEMEASUREMENTSATHIRDEXPERTCOACHDETERMINEDTHEINTERTESTERRELIABILITYFORTECHNIQUEMEASUREMENTSTHEVALIDITYOFTHETESTTODISCRIMINATEPLAYERSOFDIFFERENTPLAYINGABILITIESWASEVALUATEDBYTESTINGJUNIORNATIONAL,STATE,ANDNOVICEVOLLEYBALLPLAYERSFINALLY,EACHPLAYERPARTICIPATEDINAN8WEEKSKILLBASEDTRAININGPROGRAMRESULTSACCURACYMEASUREMENTSANDINTRATESTERANDINTERTESTERRATINGSOFPLAYERS’TECHNIQUEPROVEDTOBEHIGHLYREPRODUCIBLEINTRACLASSCORRELATIONCOEFFICIENT,R,85TO98,RANGEOFTYPICALERROROFMEASUREMENT02TO100APROGRESSIVESEASONHAVEBEENDOCUMENTED6,1113STUDIESOFTHEEFFECTOFVOLLEYBALLANDPHYSICALCONDITIONINGTRAININGONTHEPHYSIOLOGICALANDANTHROPOMETRICCHARACTERISTICSOFPLAYERSAREEQUIVOCAL,WITHREPORTSOFINCREASED,6,11,12DECREASED,4ANDUNCHANGEDFITNESS13INRESPONSETOTRAININGIMPROVEMENTSINVO2MAX,6,11SPEED,12STRENGTH,6ANDVISUALREACTIONTIME6HAVEBEENREPORTEDAFTER5TO10WEEKSOFVOLLEYBALLANDPHYSICALCONDITIONINGTRAININGHOWEVER,RECENTEVIDENCEHASDEMONSTRATEDUNCHANGEDSPEED,AGILITY,LOWERBODYMUSCLEPOWER,ANDVO2MAXOVERASEASONINJUNIORELITEVOLLEYBALLPLAYERSALTHOUGHVOLLEYBALLPLAYERSRELYONWELLDEVELOPEDPHYSIOLOGICALCAPACITIES,VOLLEYBALLISALSOAGAMETHATREQUIRESHIGHLEVELSOFTACTICALANDTECHNICALSKILLHOWEVER,STUDIESOFTHETECHNICALSKILLANDACCURACYOFVOLLEYBALLTASKSARELIMITED,ANDMOST10,12BUTNOTALL14STUDIESEMPLOYGENERALANDNONSPECIFICTESTSTOEVALATEVOLLEYBALLSKILLTHISSENMILDERANDMAYHEW10REPORTEDSIGNIFICANTDIFFERENCESAMONGFRESHMEN,JUNIORVARSITY,ANDVARSITYPLAYERSFORGENERALVOLLEYBALLPLAYINGABILITY,ASESTIMATEDFROMTHENUMBEROFPASSING,SPIKING,ANDSETTINGBALLCONTACTSPERFORMEDIN1MINUTEINADDITION,FRANKSANDMOORE12REPORTEDASIGNIFICANTIMPROVEMENTINTHENUMBEROFHITSDURINGA30SECONDWALLVOLLEYTASKAFTERSKILLBASEDTRAININGINJUNIORNOVICEVOLLEYBALLPLAYERSHOWEVER,ALTHOUGHPASSING,SETTING,ANDSPIKINGAREIMPORTANTSKILLSINVOLLEYBALL,LIMITEDDETAILWASPROVIDEDONTHENATUREOFTHETESTSINORDERTOALLOWREPLICATIONBYOTHERINVESTIGATORSFURTHERMORE,THENUMBEROFBALLCONTACTSPERFORMEDINNONSPECIFICTASKSPROVIDESNOINFORMATIONONTHETECHNIQUEANDACCURACYOFVOLLEYBALLSPECIFICSKILLSGIVENTHERECENTEVIDENCETHATSPEED,AGILITY,LOWERBODYMUSCLEPOWER,ANDVO2MAXAREUNCHANGEDOVERASEASONINJUNIORELITEVOLLEYBALLPLAYERS,12THEDEVELOPMENTOFASTANDARDIZEDVOLLEYBALLSPECIFICSKILLTESTINGBATTERYWOULDPROVIDEOBJECTIVEEVIDENCEONTHESPECIFICSTRENGTHSANDWEAKNESSESOFPLAYERSTOALLOWINDIVIDUALIZATIONOFCOACHINGPROGRAMS,WHILEALSOPROVIDINGAUSEFULTOOLTOCOMPLEMENTTHEPHYSICALFITNESSTESTSCOMMONLYUSEDTOMONITORTHEDEVELOPMENTANDPROGRESSOFTHESEATHLETESWITHTHISINMIND,THEPURPOSEOFTHISSTUDYWASTODEVELOPASTANDARDIZEDSKILLASSESSMENTFORJUNIORVOLLEYBALLPLAYERSSPECIFICALLY,WEASSESSEDTHERELIABILITYANDVALIDITYOFAVOLLEYBALLSPECIFICSKILLTESTTHATASSESSEDSPIKING,SETTING,SERVING,ANDPASSINGTECHNIQUEANDACCURACYINADDITION,THESENSITIVITYOFTHETESTTODETECTTRAININGINDUCEDIMPROVEMENTSINSKILLWASINVESTIGATEDMETHODS

簡(jiǎn)介：本文是中英雙語(yǔ)對(duì)照畢業(yè)設(shè)計(jì)論文外文文獻(xiàn)翻譯，下載之后無需調(diào)整復(fù)雜的格式直接可用一輩子也就一次的事外文標(biāo)題ANINTRODUCTIONTOOPENCV外文作者JEFFCICOLAN文獻(xiàn)出處BEGINNINGROBOTICSWITHRASPBER，2019如覺得年份太老，可改為近2年，畢竟很多畢業(yè)生都這樣做英文4557單詞，24993字符字符就是印刷符，中文7088漢字。（如果字?jǐn)?shù)多了，可自行刪減，大多數(shù)學(xué)校都是要求選取外文的一部分內(nèi)容進(jìn)行翻譯的。）ANINTRODUCTIONTOOPENCVWE’VECOMEALONGWAYSINCETHEFIRSTCHAPTERSINTRODUCINGTHERASPBERRYPIATTHISPOINT,YOUHAVELEARNEDABOUTTHEPIANDTHEARDUINOYOU’VELEARNEDHOWTOPROGRAMBOTHBOARDSYOU’VEWORKEDWITHSENSORSANDMOTORSYOU’VEBUILTYOURROBOTANDPROGRAMMEDITTOROAMAROUNDANDTOFOLLOWALINEHOWEVER,TOBECOMPLETELYHONEST,YOUHAVEN’TREALLYNEEDEDTHEPOWEROFTHERASPBERRYPIINFACT,IT’SBEENABITOFHINDRANCEEVERYTHINGYOU’VEDONEWITHTHEROBOTROAMINGANDLINEFOLLOWING,YOUCOULDDOJUSTWELLWITHTHEARDUINOANDWITHOUTPIIT’SNOWTIMETOSHOWTHEREALPOWEROFTHEPIANDTOLEARNWHYYOUWANTTOUSEITINYOURROBOTINTHISCHAPTER,WE’REGOINGTODOSOMETHINGYOUCAN’TDOWITHTHEARDUINOALONEWEAREGOINGTOCONNECTASIMPLEWEBCAMERAANDSTARTWORKINGWITHWHATISCOMMONLYKNOWNASCOMPUTERVISIONCOMPUTERVISIONCOMPUTERVISIONISACOLLECTIONOFALGORITHMSTHATALLOWACOMPUTERTOANALYZEANAPPLICATIONSISTOOLARGETODISCUSSINDEPTHHERE,ANDITKEEPSGROWINGOPENCVJUSTAFEWYEARSAGO,COMPUTERVISIONWASNOTREALLYACCESSIBLETOTHEHOBBYISTITREQUIREDALOTOFHEAVYMATHANDEVENHEAVIERPROCESSINGCOMPUTERVISIONPROJECTSWEREGENERALLYDONEUSINGLAPTOPS,WHICHLIMITEDITSAPPLICATIONOPENCVHASBEENAROUNDFORAWHILEIN1999,INTELRESEARCHESTABLISHEDANOPENSTANDARDFORPROMOTINGTHEDEVELOPMENTOFCOMPUTERVISIONIN2012,ITWASTAKENOVERBYTHENONPROFITOPENCVFOUNDATIONYOUCANDOWNLOADTHELATESTVERSIONATTHEIRWEBSITEIT’STAKEALITTLEEXTRAEFFORTTOGETITRUNNINGONTHERASPBERRYPI,HOWEVERWE’LLGETTOTHATSHORTLYOPENCVISWRITTENNATIVELYINCHOWEVER,ITCANBEUSEDINC,JAVA,ANDPYTHONWEAREINTERESTEDINTHEPYTHONIMPLEMENTATIONBECAUSEOURMOTORCONTROLLERLIBRARIESARENOTPYTHON3–COMPATIBLE,WENEEDTOINSTALLOPENCVFORPYTHON27INSTALLINGOPENCVWEWILLINSTALLOPENCVONTHERASPBERRYPIYOUWANTTOMAKESURETHATYOURRASPBERRYPIISPLUGGEDINTOACHARGERRATHERTHANTHEBATTERYPACK,ANDGIVEYOURSELFPLENTYOFTIMEFORTHEINSTALLATIONWEWILLCOMPILEOPENCVFROMSOURCE,WHICHMEANSTHATWEWILLDOWNLOADTHESOURCECODEFROMTHEINTERNETANDBUILDITDIRECTLYONTHEPIBEWARNEDTHATALTHOUGHTHEPROCESSISNOTDIFFICULT,ITDOESTAKEALONGTIMEANDINVOLVESENTERINGMANYLINUXCOMMANDSIUSUALLYBEGINTHEPROCESSINTHEEVENINGANDLETTHEFINALBUILDRUNOVERNIGHT1LOGONTOYOURRASPBERRYPI2OPENATERMINALWINDOWONTHEPI3MAKESURETHATTHERASPBERRYPIISUPDATED

簡(jiǎn)介：本文是中英雙語(yǔ)對(duì)照畢業(yè)設(shè)計(jì)論文外文文獻(xiàn)翻譯，下載之后無需調(diào)整復(fù)雜的格式直接可用一輩子也就一次的事文獻(xiàn)引用作者出處信息JINXINZHANG,XIAOHUIYANGTAOLI,JIAMINBAOADETECTIONSYSTEMOFANDROIDAPPLICATIONBASEDONPERMISSIONANALYSISC2018COMMUNICATIONSSECURITYCONFERENCECSC2018如覺得年份太老，可改為近2年，畢竟很多畢業(yè)生都這樣做英文3181單詞，20964字符字符就是印刷符，中文4896漢字。（如果字?jǐn)?shù)多了，可自行刪減，大多數(shù)學(xué)校都是要求選取外文的一部分內(nèi)容進(jìn)行翻譯的。）ADETECTIONSYSTEMOFANDROIDAPPLICATIONBASEDONPERMISSIONANALYSISKEYWORDSANDROID,SECURITYMECHANISM,PERMISSIONDETECTIONABSTRACTSINCETHEOPENNESSOFANDROIDPLATFORMLEADSTOAMESSOFPRIVACYLEAKSANDPROPERTYDAMAGESOFUSERS,ANOVELDETECTIONSYSTEMBASEDONTHEPERMISSIONANALYSISFORANDROIDAPPLICATIONSAPPSISPROPOSEDTHEPROPOSEDDETECTIONSYSTEMCANBEINCORPORATEDWITHCOMPUTERTERMINALSASWELLASMOBILETERMINALS,ANDCANDETECTTHEPERMISSIONINFORMATIONOFAPPSANDCHECKTHESENSITIVEPERMISSIONTHEAPPSPOSSESSINADDITION,THEDETECTSYSTEMCANPROVIDEASECONDARYJUDGEMENTOFAPPSTOGUARANTEETHEINFORMATIONANDPROPERTYSECURITYOFTHEUSERS1INTRODUCTION11ANDROIDSECURITYSTATUSANDROIDISANOPENSOURCEMOBILEOPERATINGSYSTEMDEVELOPEDBASEDONLINUXSYSTEMANDINTRODUCEDBYGOOGLEANDITSOPENHANDSETALLIANCE1CURRENTLY,ANDROIDHASBEENWIDELYUSEDINMOBILEPHONES,TABLETPCS,LAPTOPSANDOTHERSMARTMOBILEDEVICESACCORDINGTOTHEDATAREPORTRELEASEDBYMARKETRESEARCHFIRMCANALYSONMAY30,INTHEFIRSTQUARTEROF2013,THEGLOBALSMARTMOBILEEQUIPMENTSHIPMENTSLISTDIRECTLYFROMTHEANDROIDSYSTEMSETTINGSBASEDONTHERESEARCHOFTHEANDROIDSECURITYMECHANISMSANDTHEANALYSISOFTHEPOTENTIALSECURITYPROBLEMSTHEABOVEPHENOMENONMAYLEADTO,ASYSTEMCOMBINEDWITHPCANDCELLPHONESIDEISDESIGNEDANDDEVELOPEDINTHISPAPER,WHICHCANTHOROUGHLYDETECTTHEPERMISSIONSINFORMATIONSOFTHEUNINSTALLEDANDROIDPACKAGESAPKASWELLASTHEINSTALLEDAPPTHEPROPOSEDSYSTEMCANDETECTTHENUMBEROFTHEPERMISSIONSTHATTHEAPPSOFTWAREAPPLIEDFORPRECISELYANDWILLSHOWTHEDETAILEDLISTOFTHEPERMISSIONSBYESTABLISHINGTHEDATABASE,THEDETECTIONSYSTEMCANGIVEDETAILEDANDCLEARDESCRIPTIONOFEACHPERMISSIONANDTHESECURITYPROBLEMSMAYBECAUSEDBYTHEPERMISSIONITMAKESNORMALUSERSWHOLACKOFPROFESSIONALKNOWLEDGEUNDERSTANDTHEROLEOFTHEAPPLIEDAPPPERMISSIONSEASILY,ANDRAISESAWARENESSOFTHESAFETYOFUSERSINADDITION,THESYSTEMCANPROVIDEUSERSTOSEARCHALLTHEAPPSFORTHEONESTHATUSEASPECIFICSENSITIVEPERMISSIONINTHISWAY,THESYSTEMCANASSISTUSERSTOSCREENOUTTHEMALICIOUSSOFTWARESANDPROTECTTHESECURITYOFANDROIDSYSTEM2ANDROIDSPECIFICSECURITYMECHANISMSANDROIDSYSTEMSUPPORTSMULTIPLATFORMOPERATION,WHICHUSESTHEVERSIONOFTHEKERNELOFLINUX26,ANDUSESDALVIKVIRTUALMACHINEASANAPPRUNTIMEENVIRONMENTANDROIDSYSTEMHASALAYEREDARCHITECTURE4FORMTHEBOTTOMTOTHETOP,THEREAREFIVELAYERS,WHICHARETHELINUXKERNEL,THELOCALLIBRARY,THEANDROIDRUNTIMEENVIRONMENT,THEAPPFRAMEWORKANDTHEAPPDURINGDESIGNINGANDDEVELOPINGTHEANDROIDOPERATINGSYSTEM,GOOGLENOTONLYINHERITSTHEDESIGNINGIDEAOFLINUX,BUTALSOSETSACORRESPONDINGSECURITYMECHANISMINEACHLAYERMOREOVER,GOOGLEALSOSETSTWOKINDSOFANDROIDSPECIFICSECURITYMECHANISMSSIGNATUREANDAPPPERMISSIONCONTROL21SIGNATUREMECHANISMALLANDROIDAPPSMUSTHAVEADIGITALCERTIFICATE,DUETOTHATTHESYSTEMWILLNOTINSTALLANAPPTHATDOESN’THAVEADIGITALCERTIFICATEUNLIKEOTHERPLATFORMS,ANDROIDAPPSIGNATURENOTONLYINDICATESTHEPUBLISHEROFTHEAPK,BUTALSOPROVIDESVALIDATIONOFTHEINTEGRITYANDRELIABILITYOFTHEPROGRAMFORTHOSEWHOATTEMPTTOTAMPERWITHTHEAPKFILE,THESYSTEMWILLFORCETHEMTORESIGNTHEAPKUNDERTHECONDITIONTHATTHEAUTHORSSIGNATUREPRIVATEKEYDOESNOTLEAK,THEFAKESIGNATUREIS