简介：<正>在汶川大地震一线,除了子弟兵和救护队,还有一群特殊的人群——80后志愿者,他们一直冲在抢救、服务一线,一次次地感动着人们。王娜在救灾一线过生日当大连大学修复重建外科研究所护士王娜,接到灾区参加赈灾工作老师"人手不够"的电话时,她想都没想便带上简单的行李乘上了

简介：力远作为业内知名穿线机品牌,多年来一直以优质的产品和专业的售后服务,在业内赢得了良好的口碑,在2011年成都体博会成功推出了S11穿线机之后,今年在北京体博会又成功推出了两款新型S系列电脑穿线机。为此本期特别推荐给大家。

简介：泰国人把从1782年以后的日子称为"曼谷时代",在他们心中,这里永远象征着泰国的精神,是一座"天使之城"。曼谷也是从那一年开始,逐渐褪变成一个古今、东西"混搭"的24小时持续繁华的城市。它既保留着对传统敬重的诚意,又流淌着活跃的,极具创意色彩的血脉。所以,尽管它不分昼夜地堵车,尽管它常年湿热,人们还是甘愿沉醉在这里感受"泰式"享乐。

简介：为了全面、及时地了解和掌握各国/地区奥运会项目的实力水平及发展变化,从1989年开始,我所对各奥运会项目每年的重大国际比赛情况进行追踪统计和综合分析,在此基础上对各国/地区的实力水平进行对比,供委领导和各有关方面参考。

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简介：Definitiveconclusionsconcerningtheimpactofexerciseinterventionsonchildren'smentalfunctioningaredifficulttoascertainbecauseofproceduraldifferencesamongstudies.Anarrativereviewofstudieswasconductedtoevaluatetheroleoftwotypesofexerciseinterventionsonchildren'scognition.Acuteandchronicexerciseinterventionswereclassifiedasquantitativeorqualitativeonthebasisofmanipulationsoftaskcomplexityand,byinference,mentalengagement.Bothtypesofinterventionsenhanceaspectsofchildren'scognition;however,theireffectsonmetacognitiveprocessesareunknown.Theroleofmetacognitiveprocessesandtheirregulationofchildren'sbehaviorandacademicperformancearehighlighted.

简介：Shortboard：短板、小板。长度在59—68之间，头部呈尖锐三角型，浮力小，需要推力够、形状佳的浪才能玩得痛快。属于技术板，转向灵活，可做花式动作。

简介：RecentarticlespublishedinNaturepointouthowsexbias,primarilyconcerningmale-exclusivity,inbiologicalresearchresultinmisleadingandambiguousscience.1-4Forexample,themajorityofanimalstudiespublishedinacademicjournalsusedonlymales,whileonlyverylimitedstudieswereinvestigatedinfemalesorbothsexes.Theconsequencesofsuchmale-favoredsexbiasinbiomedicalstudieshadleadtoahugecostinthebiomedicalindustryincludingdrugdevelopment.Between1997and2001,eightoutof10prescriptiondrugswerewithdrawnfromthemarketbytheUSFDAbecausetheyshowedmoresideeffects

简介：为了转播今年8月8日至7月8日举行的世界杯足球赛决赛阶段的比赛,意大利电视台网将全力以赴,在技术方面和财政方面都将有惊人的突破。这是在维罗那博览会期间,刚刚举行的专题讨论会上,由意大利电视网公共电视台体育节目部长基尔贝托·伊万约里斯蒂先生,向专业的体育新闻界介绍他的“世界计划”时说这番话的。耗资2300亿里拉伊万约里斯蒂先生介绍说:1990年世界杯足球赛决赛阶段比赛的转播费用,总额将达2300亿里拉。其中仅用于比赛期间雇佣人员的管理费用就达300亿里拉。

简介：Purpose:Theaimofthisstudywastoevaluatetheprogram"Nomoresmoking!It’stimeforphysicalactivity",withamixedmethodsdesign,inordertocollectinformationtoimprovetheprogramforfutureapplications.Methods:Fortypatientsacrossfiveanti-smokingclinicsinCentralGreececompletedtheprogram.Counselors’recordsandparticipants’questionnairesandinterviewswereusedasdatainordertoevaluatetheprograms’processandoutcome.Results:Quantitativemeasuresbeforeandaftertheprogramrevealedsignificantdifferencesonsmokingbehavior,physicalactivity(PA)behavior,self-efficacy,andsmokinghabitmeasures.QualitativedataimpliedthatthepromotionofPAasacessationaidwasperceivedaspositivebytheparticipantsandbothparticipants’andcounselors’statementswereencouragingfortheeffectivenessofPApromotionduringtheprogramasacessation-aidtechnique.Conclusion:Evaluationofthe"Nomoresmoking!It’stimeforphysicalactivity"programshowedencouragingresults.PeoplewhotrytoquitsmokingcanbecomemorephysicallyactivethroughtargetedinterventionandtheyregardPAasasignificantaidintheireffortstoquitsmoking.

简介：Thehighprevalenceofchildhoodobesity,evidentgloballyinthepastdecade,ispartlyduetolowphysicalactivity(PA).1Obesityandlowcardiovascularfitnessinchildrenmayincreasetheriskofhypertensionandhypercholesterolemiaduringchildhoodandmaycontributetothedevelopmentofchronicdiseasesinadulthood,suchashypertensionanddiabetes.2ParticipatinginregularPAplaysasignificantroleinthepreventionofanddecreaseinchildhoodobesityandchronicdiseases,therebycontributingtothepreventionofchronicdiseaseslaterinadulthood.

简介：ThepreviousSpecialIssuewasdevotedtophysicalactivity(PA),physicalfitness,diet,andhealthinyoungpeople.ThecontentofthissecondSpecialIssuewillfocusonPAandchronicdiseaseinchildrenandyoungadults.ThefirstpaperwrittenbyDurstineetal.considerstheproblemofchronicdiseasesbecomingapublichealthconcernworldwidewithestimatesoftrillionsofdollaisinannualhealthcarecostsandcausingmorethan36milliondeathsayear.Their

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简介：文章从发表时间、科研方法、科研合作、研究领域、引文引用语种、作者地域、科研参与主体7个方面对1990-2009年我国中文体育类核心期刊有关网球运动的科研论文进行数理统计分析,结果表明：20年来我国网球运动科研论文的数量逐年增加,但科研成果的质量有待提高;高科技方法在网球科研方面的应用有所发展,但科研论文所采用的方法在综合运用方面欠缺;研究领域存在空缺和研究领域间的不均衡;引文引用语种单一且数量少;作者地域不均衡和科研的参与主体成分单一,并针对以上存在的问题提出相应的解决措施。

简介：科技的演进可以方便生活，艺术的灵性才能打动心灵，而两者的完美结合就是令人人容的科技艺术珍品，三星AnycallS8300C传承三星“设计为人”理念，以卓越设计打造科技艺术传奇，将顶尖技术与完美艺术带进您的生活。

简介：Background:Manydisease-specificfactorssuchasmuscularweakness,increasedmusclestiffness,varyingposturalstrategies,andchangesinposturalreflexeshavebeenshowntoleadtoposturalinstabilityandfallriskinpeoplewithParkinson'sdisease(PD).Recently,analyticaltechniques,inspiredbythedynamicalsystemsperspectiveonmovementcontrolandcoordination,havebeenusedtoexaminethemechanismsunderlyingthedynamicsofposturaldeclinesandtheemergenceofposturalinstabilitiesinpeoplewithPD.Methods:Awavelet-basedtechniquewasusedtoidentifylimitcycleoscillations(LCOs)intheanterior–posterior(AP)posturalswayofpeoplewithmildPD(n=10)comparedtoage-matchedcontrols(n=10).Participantsstoodonafoamandonarigidsurfacewhilecompletingadualtask(speaking).Results:Therewasnosignificantdifferenceintherootmeansquareofcenterofpressurebetweengroups.Threeoutof10participantswithPDdemonstratedLCOsonthefoamsurface,whilenoneinthecontrolgroupdemonstratedLCOs.AninvertedpendulummodelofbipedalstancewasusedtodemonstratethatLCOsoccurduetodisease-specificchangesassociatedwithPD:time-delayandneuromuscularfeedbackgain.Conclusion:Overall,theLCOanalysisandmathematicalmodelappeartocapturethesubtleposturalinstabilitiesassociatedwithmildPD.Inaddition,thesefindingsprovideinsightsintothemechanismsthatleadtotheemergenceofunstablepostureinpatientswithPD.