简介：变体邮票，又称畸形邮票、异体邮票。多为局部图样、齿孔、纸质、背胶、加盖文字等与正票有变异。造成变体的原因，可分为版模、印刷、加盖、齿孔、背胶等变体类别。常因邮票在印制生产过程漏检，经邮局售出流入社会。研究其成因及使用情况是集邮研究的内容之

简介：徐州的民居建筑如余家大院、段家花园、张勋祠堂，以及户部山的诸家深宅大院是古建筑的典型代表。本文以余家大院、翟家大院为例。简介了徐州古民居的基本概况，分析了徐州古民居所包容的传统文体底蕴。

简介：福建南部永定、龙岩、彰平和漳州一带，散布着许多客家土楼住宅。土楼体量高大，通常是三到四层，总高可至十二三米，外墙是厚达一两米的坚实夯土墙，是中国各地民居中颇具特色、引人注目的一种建筑形式。

简介：这里的一条条古街、古巷在通向往昔。这里的一处处古宅、古墙在诉说着古老与沧桑。她就是被称作柳氏民居的西文兴村。

简介：

简介：庭院式的建筑是中国普遍采用的一种建筑形式。这种建筑最典型、最完美的是以北京四合院为代表的北方民居。北京四合院是,700年前在元大都出现的,到了明清已经成为一种定式:青砖灰瓦,红漆大门,这是它的基本色调。

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：TherecentpublicationbyChekroudetal.inLancetPsychiatryfocusesontherelationshipbetweenphysicalexerciseandmentalhealth.Mentalhealthisdefinedasoptimalpersonalfunctioning"resultinginproductiveactivities,fulfillingrelationshipswithotherpeople,andtheabilitytoadapttochangeandtocopewithadversity".(p.4)Recently,mentalhealthhasnolongerbeendescribedasadichotomousstatebutasacontinuum,withpersonalmentalstatesrangingfromhighlyfunctionaltomentallyill.