简介:Performanceenhancementisconsideredanessentialpartofsport.1However,intheworldofcompetitiveandhigh-performancesports,thereisincreasingevidenceofahighprevalenceofperformance-enhancingdrugabuse.2-4Theuseofdrugsthatis,bannedsubstances-hasbecomeaseriousproblemwithsignificantsocial,ethical,policy,andpersonalconsequences,5-7andconsequentlycompromisestheintegrityofsportsandsportsmanshipatalllevelsofcompetition,aswellasthehealthandwell-beingofindividualathletesandpublichealthingeneral.
简介:BasedonthedataofthebestMBArankinginChinaselectedbyManagerMagazine,DEAandMalmquistindexwereusedtoevaluatetheefficiencyofMBAprogramsoftop25businessschoolsinChina.TheresultsshowthattheoverallMBAprogramshaveahighvalueontechnicalefficiencyduetothehighpuretechnicalefficiencyandscaleefficiency.Asthetechnicalregressdeepened,thetotalfactorproductivityofMBAprogrampresentsadroppedtendency.TheresultsofANOVAshowthatthelocation,typeandinternationalcertificationhavenosignificanteffectontheefficiency.Accordingtothecrossanalysisoftechnicalefficiencyandtotalfactorproductivity,differentbusinessschoolsshouldadoptdifferentdevelopmentstrategies.
简介:Thisstudyaimedtoexploreuniversitystudents'perceptionsontheimportanceofcorecompetenciesforthe21stcentury.Acrosssectionalsurveyresearchusingaself-reportquestionnaireinvolving48Likert-typeitemswasusedtocollectdatafrom869universitystudentsinChinawhovoluntarilyparticipated.MultidimensionalanalysiswithRaschratingscalemodelfoundthedatafittedtheRaschmodelwell.TheresultsshowedthatChineseuniversitystudentsplacedstrongimportanceonthemajorityofcompetencieslistedinthemodifiedquestionnaireof21stCenturyCoreCompetenciesforHigherEducation,especiallyincompetencegroupsofInterpersonalCommunicationandCharacterandCivicLiteracybutlesssointhoseofCreativityandProblemSolvingandGlobalandInternationalPerspective.
简介:C919客机,是中国首款按照最新国际适航标准制造,具有自主知识产权的干线民用飞机。'C'是China的首字母,也是中国商飞集团英文缩写COMAC的首字母,第一个'9'的寓意是天长地久,'19'代表的是最大载客量为190座。C919于2008年开始研制,2017年5月5日成功首飞。C919的研制凝聚着中国数十万科研人员的心血。据统计,国内有22个省份、200多家
简介:本文从高校学生学习投入角度出发,采用文献分析法以及结构方程模型等方法,研究个体因素、个性特征、学习环境等因素的测量变量以及对大学生学习行为投入、情感投入、认知投入三个维度的因果关系路径,构建高校学生学习投入影响因素路径模型,以'中国大学生学情调查'(NSSE-China)为蓝本设计调查问卷,调查大学生学习投入情况,切实找到提高教学质量的有效途径,为加强本科教育教学质量和提高学生学习投入提供参考依据。