简介：SPSS13.0wasusedtoprocessthedataofthe1-6batchofkeyculturalrelicconservationunitspromulgatedbytheStateAdministrationofCulturalHeritageofChina;andmulti-elementevaluationmethodwasusedtocalculatethecompositedistributionindex.ThespatialdistributionofculturalrelicsofprovincesinChinacanbedividedintofourgrades,namely:veryrichareas,richareas,poorareasandverypoorareas;thearticleanalyzesthecharacteristicsofculturalresourcesinspatialandtemporaldistribution.Thepaperholdsthat(1)thedistributionofChina'sculturalrelictourismresourcesisrelativelyconcentrated,differentsharplyfromregiontoregion,withmoreHannation'sheritage,lessrelicsoftheethnicminorities;(2)Henan,Hebei,Shaanxi,ShanxiProvincearethemainregionswithheavydistributionofculturalresources;(3)relicsappearedinspecifictimeperiodsinChina'shistory.MingandQingDynasties,Sui,TangandFiveDynasties,Song,LiaoandJin,theWesternHan,ShangandZhoudynasties,theNewStoneAgearethemajorperiodsproducingmoreculturalrelics.Thispaperalsoanalyzesrelationshipsoftheemergenceofculturalrelicswithproductiontechnology,specifichistoricalprocess,specificgeographicallocation,politicalsystem,religion,nationalculture,customs,architecturalstylesandtechniquesofthetraditionalculturaleducationalsystem.Finally,thepaperdiscussesthedevelopmentandprotectionofheritage.

简介：Bystudyingthetraditionalspectralreflectancereconstructionmethod,spectralreflectanceandtherelativespectralpowerdistributionofalightingsourcearesparselydecomposed,andtheorthogonalpropertyoftheprincipalcomponentorthogonalbasisisusedtoeliminatebasis;thenspectralreflectancedataareobtainedbysolvingasparsecoefficient.Aftertheoreticalanalysis,thespectralreflectancereconstructionbasedonsparsepriorknowledgeoftheprincipalcomponentorthogonalbasisbyasingle-pixeldetectoriscarriedoutbysoftwaresimulationandexperiment.Itcanreducethecomplexityandcostofthesystem,andhascertainsignificancefortheimprovementofmultispectralimageacquisitiontechnology.

简介：Withparametricdown-conversionsources(PDCSs),thenonorthogonaldecoystateprotocolbasedononevacuumandtwoweakdecoystatesispresented.ThedetectioneventsonBob'ssidearedividedintotwogroupsdependingonwhetherAlicegetsatriggerornot:triggeredcomponentsandnontriggeredcomponents.Thetriggeredcomponentsareusedtoestimatethefractionsanderrorratesofsingle-photonandtwo-photonpulses,andthenthefinalsecurekeyrateisdeduced.Besides,bothtriggeredandnontriggeredcomponentsareusedtodeduceamoreaccuratevalueofthekeygenerationrate.Thesimulationofthefinalkeygenerationrateovertransmissiondistanceshowsthatthefirstmethodcanobtainakeygenerationrateclosetothetheoreticallimitoftheinfinitedecoystateprotocol,whilethesecondmethodisbetter.

简介：随着多宗网络银行犯罪事件的发生，网上银行安全越来越被人重视，如何才能加强系统应用的安全性，提升人们对网上银行的信任度，成为网上银行业务中最亟待解决的问题，本文为读者带来指纹U-KEY，以供大家参考。

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简介：Background:Accelerometershavebeensuggestedtoprovideadditionalinformationduringthe6-minwalktestwhichmaybeusefulinevaluatingchangesinfunctionalexercisecapacity.TheaimofthestudywastoidentifywhethertheadditionalinformationmeasuredbytheMyWellnessKey~(TM)(MWK)accelerometerduringatreadmill6-minwalktest(t-6MWT)wasrelatedtocurrentlyusedoutcomemeasures.Methods:Fifteenparticipants(9males,6females)performedaself-pacedt-6MWT.RespiratorygasanalysisandwalkingdistanceweremeasuredwhilstwearingtheMWK.Results:Asignificantcorrelationwasestablishedbetweenactivitycountsand6-minwalkdistance(6MWD)(r=-0.847,p<0.001)yetnot6-minwalkwork(6MWW)(r=-0.337,p=0.220).EnergyexpenditureestimatedbytheMWKwasstronglycorrelatedto6MWW(r=0.938,p<0.001)butnot6MWD(r=0.477,p=0.072).TheMWKsignificantlyunderestimatedenergyexpenditure(36.73,CI=33.9-39.7kcal)comparedtogasanalysis(54.35,CI=46.2-61.4kcal)demonstratingpooragreementbetweenthetwoanalyses(Bias=-17.61kcal,Limitsofagreement=-37.4,t2.2kcal).Measurementoftimespentundertakinglight,moderate,andvigorousphysicalactivitywasnotsignificantlydifferent(p>0.05)betweentheMWKandgasanalysis.Conclusion:EstimatedenergyexpenditureprovidedbytheMWKwasstronglycorrelatedto6MWW;however,MWKunderestimatedenergyexpenditureasmeasuredbygasanalysis.TheMWKmayprovideoutcomedatathatsupplementthosecurrentlyprovidedbythe6MWDforfunctionalcapacityassessmentduringthet-6MWT.

简介：优化课堂设计是提高教学质量的有效方法，其主要内容包括：教育主导思想优化、教学内容优化及教学方法和手段优化。具体做法是以设疑激趣为先导、以揭示规律为重点、以学生参与为途径，充分体现现代教育理论的特点。内容上以编制教学目标、确定重点、难点、关键点、拓清思路，设计好层次为重点。方法上开发采用现代先进教学设备，创设、探索新的教学模式，在以人为本前提下，使教学内容、教学方法和手段达到最佳效果。同时教师不仅传授知识，而且要培养学生的智力技能和优良个性，真正做到让学生“学会认知、学会做事、学会共同生活、学会生存和发展”。

简介：摘要近年幕墙行业在国内得到了飞速发展，为了保证幕墙结构设计不仅能够满足国家规范要求，同时又能让材料使用经济合理，幕墙结构优化便变得很有必要，本文浅谈几种立柱模型的优化设计。

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简介：摘要作为一个甲方结构师，切身体会到结构优化的重要性，它能实现资源最大化，利益最大化。也就是通过消除冗余的、无效的成本，增强薄弱部位，进行精细化结构设计，且保证安全，这就是结构优化的宗旨。

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简介：摘要：建筑幕墙是一种在建筑中没有承载力的外壁，它是现代建筑的一个重要组成部分。在当代建筑中，幕墙对建筑物的整体形象有着直接的影响。建筑幕墙的质量也直接关系着建筑物的整体质量，在建筑设计中加强建筑幕墙的结构设计是保证建筑幕墙质量的关键，同时也是提升建筑幕墙整体性能的重要措施。。

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简介：摘要：《普通义务教育阶段英语新课程标准2022版》提倡英语教学活动的开展要以落实学生核心素养为导向，并且要求单元教学活动要围绕着单元整体出发，作业作为课堂教学效果的巩固与延伸，在设计的过程中也应该以新课标为依据采用课标中提倡的英语单元学习活动观的方式来设计单元整体性作业，以此来推动学生达成锻炼语言技能与知识、构建积极情感态度、养成正确学习策略和文化意识的学习目标。本文基于新课标核心素养的背景，将英语活动观的观念贯彻到单元作业设计中，基于单元主题，依托不同的作业类型，帮助学生在作业活动中夯实语言基础。

简介：近年来，一系列与网上银行安全相关的事件层出不穷，网络钓鱼，专业偷盗银行账号和密码的木马程序、黑客侵入，内部盗窍等都对网络银行的安全性提出了新的挑战，怎样才能加强系统应用的安全性，提升人们对网上银行的信任度，已经成为各家银行网上银行业务中最为亟待解决的课题。

简介：-Thispapercarriesouttheanalysisofmechanicsofagripsystemofthree-key-boardhydraulictongsdevelopedforoffshoreoilpipelineswhichhasbeensuccessfullyusedinoilfieldsinChina.Themainimprovementofthissystemisthataleverframestructureisusedinthestructuraldesign,whichreducesgreatlythestressesofthemajorcomponentsoftheoilpipetongs.Theoreticalanalysisandnumericalcalcu-lationbasedonthirteenbasicequationsdevelopedshowthattheteethboardofthetongsisnoteasytoslipasfrequentlyhappenstoothersystemsandisofhigherreliability.

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