简介：由一个大学倡导的激励性教育工程正在改变老师们的教学方法，但最重要的是学生们的学习方法。综述：当我们认为我们已经达到创造性教育边缘的时候，新的软件和硬件设施的出现使教与学的方式和策略得到创新。可以肯定的是，这些创新是教育者他们自己创造的。

简介：Wediscusstheexistenceresultsoftheparabolicevolutionequationd(x(t)+g(t,x(t)))/dt+A(t)x(t)=f(t,x(t))inBanachspaces,whereA(t)generatesanevolutionsystemandfunctionsf,garecontinuous.Wegetthetheoremofexistenceofamildsolution,thetheoremofexistenceanduniquenessofamildsolutionandthetheoremofexistenceanduniquenessofanS-classieal(semi-classical)solution.Weextendthecaseswheng(t)=0orA(t)=A.

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简介：Themainrequirementsforcurrentmedicalpracticeincludetheabilitytosolvecomplexmedicalproblemsandtohandlemedicaldevices.Asaresult,graduatesofmedicineareexpectedtohaveanadequatelevelofphysicalandtechnicalliteracy.Theaimofourstudywastofindouthowstudentsofmedicine,aftercompletingthesubjectBiophysics,solveamodelproblemfrommedicalpracticeandthefactorsthatcanaffectthecorrectnessoftheirsolution.Onehundredandtwenty-ninestudentswereaskedtorespondtothefollowingproblem:“Atfirstsight,astethoscopeappearstobeingoodcondition(bell,diaphragm,andtransfersystem)butyoudonothearanythingduringauscultation.Givereasons.”Alloftheanswerswerecategorisedandevaluatedquantitativelyandqualitatively.Thestudentswerenotabletocomprehensivelysolvethisproblem.Theyreliedontheirknowledgeofthemethodologyofmeasurementratherthanonthephysicalprinciplesofthemedicaldevice.Thesolutionssignificantlydependedongenderandtheirexperiencebeforeenteringmedicalschool.Therefore,weproposetheuseofproblem-basedlearningthatfocusesonrealpracticeproblemsintheteachingprocessatschoolsofalllevels.Implementingthismethodofteachingoverthelong-termwillenablestudentstofindtherightalgorithmforproblem-solving.

简介：Background:Althoughevidenceonthehealtheffectsofsedentarybehavior(SB)hasgrownsystematicallyinrecentyears,fewdevelopingcountrieshavereportedpopulationlevelsofSB,especiallyinSouthAmerica.OurobjectivewastodescribetimespentsittinginarepresentativesamplefromChilecategorizedbyage,gender,educationallevel,andbodymassindex(BMI).Methods:AnationalhealthsurveywasconductedinChileinanationallyrepresentativesample(n=5411)in2009-2010.Sittingtime(ST)wasmeasuredwiththeGlobalPhysicalActivityQuestionnaireVersion2.Results:Datawerefrom5031participants(43.26±0.41years,mean±SE;40.3%male).Overall,therewerenogenderdifferencesinmeanST(men:158.10±5.80min/day,women143.45±4.77min/day;p=0.05).STwaslowerinthosewholivedinruralareascomparedwithurbanareas(99.4min/dayvs.160.0min/day;p=0.001).STincreasedsignificantlywithincreasingBMI,butonlyinmen(p=0.009),andwaspositivelyrelatedtoyearsofeducationinbothmenandwomen(p<0.0001).Conclusion:Thefindingsweredifferentfromthosereportedinothercountriesandcontexts,reinforcingtheneedforinternationalsurveillanceandmonitoringovertimetoinformpolicymakers.DifferencesinSTacrossdifferentgroupsemphasizetheneedtodeveloptailoredmessagesandinterventionsforreducingSTindifferentpopulationsubgroups.

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