简介：Inordertoelucidatetheroleofantioxidantresponsesinsalinitytoleranceinricegenotypesundersaltstress,experimentswereconductedusingfourricevarieties,includingsalt-sensitiveBRRIdhan28andthreesalt-tolerantvarietiesBRRIdhan47,BINAdhan8andBINAdhan10.Thirty-day-oldriceseedlingsweretransplantedintopots.Attheactivetilleringstage(35daftertransplanting),plantswereexposedtodifferentsalinitylevels(0,20,40and60mmol/LNaCl).Saltstresscausedasignificantreductioningrowthforallthericegenotypes.Growthreductionwashigherinthesalt-sensitivegenotypethaninthesalt-tolerantones,andBINAdhan10showedhighersalttoleranceinallmeasuredphysiologicalparameters.ThereductioninshootandrootbiomasswasfoundtobeminimalinBINAdhan10.ChlorophyllcontentsignificantlydecreasedundersaltstressexceptforBINAdhan10.Prolinecontentsignificantlyincreasedinsalt-tolerantricegenotypeswithincreasedsaltconcentration,andthehighestprolinecontentwasobtainedfromBINAdhan10undersaltstress.Catalaseandascorbateperoxidaseactivitiessignificantlydecreasedinsalt-sensitivegenotypewhereassignificantlyincreasedinsalt-tolerantoneswithincreasingsaltconcentration.However,saltstresssignificantlydecreasedguaiacolperoxidaseactivityinallthericegenotypesirrespectiveofsalttolerance.K+/Na+ratioalsosignificantlydecreasedinshootsandrootsofallthericegenotypes.Thesalt-tolerantgenotypeBINAdhan10maintainedhigherlevelsofchlorophyllandprolinecontentsaswellascatalaseandascorbateperoxidaseactivitiesundersaltstress,thus,thismightbetheunderlyingmechanismforsalttolerance.

简介：Marineorganismsconstituteunlimitedresourceofbioactivesubstancesduetotheirhighbiodiversityandrepresentavaluablesourceofnewcompounds.Thisstudyoptimizedthealkali-extractionconditionsandantioxidantactivitiesofsolublepolysaccharidesfromthebodywallofSipunculusnudus.Theeffectsofsolid-liquidratio,extractionduration,extractiontemperature,andalkaliconcentrationontheyieldofS.nuduspolysaccharides(SNP)wereexamined,accordingtowhichtheoptimalcombinationofextractionparameterswasobtainedbyanorthogonaltest.TherelativeinfluencingimportanceofdifferentextractionparametersontheyieldofSNPfollowedtheorderassolid-liquidratio>extractiontemperature>alkaliconcentration>extractionduration.Thehighestextractionyield,1.98%,wasachievedunderanoptimalextractioncondition:temperature60℃,solid-liquidratio1:6gmL?1,duration5h,andalkali(NaOH)massfraction6%.TheinvitroantioxidantactivitiesexaminationshowedthatextractedSNPunderthisoptimizedconditionhadstrongpowerinreducingcertainhydroxylandsuperoxideradicalscavengingabilities.ThepromisingresultsshowedthatextractedSNPcouldbeapotentnaturalantioxidant.

简介：ThispaperaimstopresentanexperimentdevelopedinatechnologydegreecollegeinS?oPaulo:thefreshmenintegrationandremedialclassesweek.Thisworkwasdevelopedduetothedropoutratethatoccurredinseveralcourses.The50%dropoutratewascollectedthroughasampleofthefirstsemesterfrom2012to2014.Thiscollegehascoursesinweldingtechnology,mechanicalmanufacturing,industrialautomationandrefrigeration,airconditioning,andventilationandheating.Itisapubliccollege.Astheyarecoursesoftheareaofmechanicalengineering,theirfirstsemestersconsistofcalculus,physics,chemistry,statistics,andotherdisciplinesthatrequiresolidknowledgebackgroundfromseniorhighschool.Thisisnottherealityfortheprofileofincomingstudents.Ninety-fivepercentofthestudentscomefrompublicschools.Remedialclassesweekiscomprisedofremedialclassesonmathematics,motivationallectures,presentationoftheacademic,andjobmarketarea,aswellasintegrationwithveteranstudents,teachers,andcoordinators.Thisworkbeganin2014andtherewas35%evasionreduction.

简介：EuphorbiakansuiisacommonlyusedtraditionalChinesemedicineforthetreatmentofedema,pleuraleffusion,andasthma,etc.Accordingtothepreviousresearches,terpenoidsinE.kansuipossessvariousbiologicalactivities,e.g.,anti-virus,anti-allergy,antitumoreffects.Inthiswork,twentyfiveterpenoidswereisolatedfromE.kansui,includingthirteeningenane-andeightjatrophane-typediterpenoids(withtwonewcompounds,kansuininPandQ)andfourtriterpenoids.EighteenofthemwereanalyzedbyMTSassayforinvitroanticanceractivityinfivehumancancercelllines.Structure-activityrelationshipfor12ingenane-typediterpenoidsincolorectalcancerColo205cellswerepreliminarystudied.Significantanti-proliferationactivitieswereobservedinhumanmelanomacellsbreastcancerMDA-MB-435cellsandColo205cells.Morethanhalfoftheisolatedingenane-typediterpenoidsshowedinhibitoryactivitiesinMDA-MB-435cells.Eightingenane-andonejatrophane-typediterpenoidspossessedmuchlowerIC_(50)valuesinMDA-MB-435cellsthanpositivecontrolstaurosporine.Preliminarystructure-activityrelationshipanalysisshowedthatsubstituentonposition20wasimportantfortheactivityofingenane-typediterpenoidsinColo205cellsandsubstituentonposition3contributedmoresignificantbiologicalactivityofthecompoundsthanthatonposition5inbothMDA-MB-435andColo205cells.

简介：Theeffectsofpolishingonproximatecompositions,physico-chemicalcharacteristics,mineralcompositionsandantioxidantpropertiesofthericefloursobtainedfromthreedifferentpigmentedricevarieties(Chak-haoAngangba,Chak-haoAmubiandChak-haoPoireiton)wereinvestigated.Thericevarietiesweresignificantly(P<0.05)differentinthecontentsofthetestcharacteristics.Lipids,ash,minerals,phytochemicals(phenolicacidsandflavonoids)and2,2-diphenyl-1-picrylhydrazyl(DPPH)activityofricefloursweredecreasedafterpolishing(9%degreeofmilling),whileamylosecontentandlightnesswereincreased.X-raydiffractionpatternofricefloursexhibitedA-typecrystallinepatternwithreflectionsat15.1o,17.1o,18.2oand23.0o.Pastingpropertiesandtransitiontemperaturesweredecreasedafterpolishingtreatment.Polishingresultedinchangesinthecrystallinity,enthalpyandmorphologyofriceflours.

简介：Presentstudywasconductedtocharacterisetenrice(OryzasativaL.)cultivarsviz.IET-23466,Dhan-201,IET-23448,MAS-946,IET-23445,IET-23463,IET-23455,PR-123,PR-115andIET-23449basedonantioxidants(totalphenolics,flavonolsandtannins),bioactivecompounds(phyticacid,gammaaminobutyricacid,tocopherolandreducedascorbate)andantioxidantactivity(1,1-diphenyl-2-picrylhydrazylradicalscavengingactivity,hydroxylradicalscavengingactivity,freeradicalantioxidantpowerandtotalreducingpower)withanaimtoidentifycultivarscontaininghigherhealthpromotingcomponentsaftergermination.ThreecultivarsIET-23466,IET-23463andPR-123performedbetterasrevealedbyhigherlevelofantioxidants,bioactivecompoundsandantioxidantactivitybeforeandaftergermination.ThreecultivarsMAS-946,IET-23445andIET-23449hadmoderatelevelofantioxidants,bioactivecompoundsandantioxidantactivity.FourcultivarsDhan-201,IET-23448,IET-23455andPR-115performedintermediately.Strongpositivecorrelationwasobservedamongtotalphenolicsandtheantioxidantactivity.Phyticacidwasfoundtobenegativelycorrelatedtotheantioxidantactivity.OurresultshighlightedthatcultivarsIET-23466,IET-23463andPR-123holdgreatpotentialaftergerminationandwouldopenupausefulopportunityforthefunctionalfoodindustry,andconsumptionofthesecultivarsaftergerminationwouldaffordhealthbenefitstoconsumerssincetheycontainhigherlevelofantioxidants.

简介：Higherlevelsofmoderate-to-vigorousphysicalactivity(MVPA),andmaybeevenlightphysicalactivity(LPA),havebeenrelatedtobetterhealth,~1motorskills,~2andcognitive~3outcomesinvirtuallyallageandabilitygroups.Problematically,however,mostpeopleingeneralarenotpronetoenjoyandparticipateinsubstantialamountsofphysicalactivity(PA),~4

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简介：DearEditor,IntheDecember2016issueofJournalofSportandHealthScience,Dr.BarbaraE.Ainsworthhighlightedaglobalviewofyouthphysicalactivity(PA)basedontheresultsfromtheGlobalMatrix2.0.~1Joining38countrieson6continents,China,asthemostpopulouscountryintheworld,hasforthefirsttimepresentedits2016ReportCardon9indicatorsofPA.Unfortunately,China’sinauguralReportCardshowsanFratingassignedtoboththeoverallPAlevelandsedentarybehaviors

简介：StormsthatoccurattheBayofBengal(BoB)areofabimodalpattern,whichisdifferentfromthatoftheotherseaareas.ByusingtheNCEP,SSTandJTWCdata,thecausesofthebimodalpatternstormactivityoftheBoBarediagnosedandanalyzedinthispaper.TheresultshowsthattheseasonalvariationofgeneralatmospherecirculationinEastAsiahasaregulatingandcontrollingimpactontheBoBstormactivity,andthe'bimodalperiod'ofthestormactivitycorrespondsexactlytotheseasonalconversionperiodofatmosphericcirculation.Theminorwindspeedofshearspringandautumncontributedtothestorm,whichwasacrucialfactorforthegenerationandoccurrenceofthe'bimodalpattern'stormactivityintheBoB.Theanalysisonseasurfacetemperature(SST)showsthattheSSTsofalltheyeararoundintheBoBareameettheconditionsrequiredforthegenerationoftropicalcyclones(TCs).However,theSSTsinthecentralareaofthebayarehigherthanthatofthesurroundingareasinspringandautumn,whichfacilitatestheoccurrenceofa'two-peak'stormactivitypattern.Thegenesispotentialindex(GPI)quantifiesandreflectstheenvironmentalconditionsforthegenerationoftheBoBstorms.ForGPI,theintenselow-levelvortexdisturbanceinthetroposphereandhigh-humidityatmospherearethesufficientconditionsforstorms,whilelargemaximumwindvelocityofthegroundvortexradiusandsmallverticalwindsheararethenecessaryconditionsofstorms.

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简介：Deareditor,In2016,severallandmarkgovernmentinitiativeswerelaunchedinanefforttobuildamorehealthyChina.InMarch,theNationalPeople’sCongressofChinaadoptedthe13thFiveYearPlan,whichsetsoutnewobjectives,principles,andtargetsfor2016–2020,1includingactionplansforenhancingenvironmentalprotectionandgreengrowth,promotingindividualand

简介：Background:Lately,physicalactivity(PA)inyounggirlshasbeenfrequentlydiscussed,thuswewereinterestedtoexaminewhetheramentaltraininginterventioncanincreasethelevelofPAinyounggirls.Methods:Asampleof56girlsaged15.4±0.3years(mean±SD)wasassignedtoeithertheinterventionorcontrolgroup.Wethenconducteda6-weekmentalimagerytrainingprogramonyoungfemaleparticipants.PAwasevaluatedwithobjectiveaccelerometermonitors.Physicalself-conceptwasalsoassessedinallparticipants.Results:Youngfemales'PAincreasedafteracourseofmentaltrainingcomparedtofemaleparticipantsincontrolgroup.Furthermore,physicalself-conceptimprovedrelatedtomentaltrainingprogram.Conclusion:ExerciseimagerymaybeaneffectivemethodofPAincreasebesidespsychologicalenhancementinyounggirls.

简介：Accordingtothemethodforpredictingstrongearthquakesusingseismicitypatterns,thispapersummarizestheseismicityanomalies,generallycalledanomalousseismicitypatterns,asthebasisforpredictionbasedonsomehistoricaldataintheSichuan-Yunnanseismiczone.Usingourresults,itcanbeconfirmedthattheseanomalypatterns,whichreflectthefeaturesofthelatestageofstrongearthquakepreparationprocessandstressreleaseinthemainshockrupturezone,didexistbeforemanyearthquakecases.Thispaperalsointroducedthecharacteristicsofseismicrepeatabilityanditsvalidationresult,anddiscussedthemechanismofrepeatability,whichwillhaveanapplicationvalueforstrongearthquaketendencyprediction.

简介：Background:Playersmaynotacquireadequatelevelsofmoderate-to-vigorousphysicalactivity(MVPA)whenplayingcommercialvideogames.Thisstudy’sgoalwastoevaluatetheeffectsofanexercisebikevideogameplayedbyusingamobileapplication-basedexergamethatwasdesignedexclusivelytopromoteparticipants’MVPA,withadditionalattentionpaidtothisgame’sabilitytopromotegreatersituationalinterest.Methods:Anexperimentaldesignwasusedwith163students(aged20.31±1.30,18–26years,61.3%male),allofwhomwererandomlyallocatedintoanexperimentalgroupandacontrolgroup.Physicalactivity(PA)levelswereassessedwithActiGraphGT3X+(ActiGraphInc.,FortWaltonBeach,FL,USA)accelerometers.Thesituationalinterestscalewasusedtoevaluatestudents’situationalinterestinbothgroups.Multivariateanalysisofvariancewasconductedtoexaminethedifferencesbetweensedentarybehavior,PAlevels,andsituationalinterestbetweengroups.Regressionanalyseswerealsoused,withthepurposebeingtoevaluatethestrengthoftherelationshipbetweenPAandsituationalinterest.Results:Resultsrevealedthattheexperimentalgrouphadhigherdegreesofsedentarybehavior,lightPA,totalinterest,instantenjoyment,explorationintention,attentiondemand,novelty,andchallenge,whereasthecontrolgroupreceivedhigherscoresforMVPA(control95.01%vs.experimentalgroup89.94%).Regressionanalysisindicatedthatinstantenjoyment(β=0.49,p<0.01),explorationintention(β=0.18,p<0.05),andattentiondemand(β=0.17,p<0.05)werepositivepredictorsfortotalinterest,explaining43%ofitsvariance.Conclusion:Anewlydesignedmobileapplication-basedexergameplayedviaanexercisebikemayenhancesituationalinterestandprovideadecentlevelofPAforplayers.

简介：Aspatiallyaveragednumericalmodelwasdevelopedtodescribetheerosionofcohesivesediment.Togetherwithknownempiricalrelations,themodelcomprisesanewformulationforresuspensionduetofishactivity.ExperimentsonerosionofnaturalsedimentsintheannularflumeatAachenUniversityareusedformodelcalibration.Empiricalcoefficientswereevaluatedwithgeneticalgorithmstoachievethebestagreementbetweenthemodelresultsandtheexperimentaldata.Thepresentedmodelshowssufficientflexibilitytoaccountforvarioussedimentproperties,includingdifferentsedimentsources,naturalandartificialcontaminants,presenceorabsenceofaquaticorganisms,andresultsinanaveragecoefficientofdetermination,R290.5%betweenthemodelresultsandtheexperimentaldata.Modelvalidationallowsittobeassumedthatdifferentcontaminantsaffectbedpropertiesdifferently.Fishactivityplaysanessentialroleincorrectresuspensionprediction.Furthersedimenterosionexperimentswithcarefullychosenconditionswillallowamorecomprehensivemodelevaluation.Thepresentedmodelisintendedtoserveasabuildingblockinthedevelopmentofahydraulic-sediment-biotamodelwithintheW3-Hydro:WaterQualityEventDetectionforUrbanWaterSecurityandUrbanWaterManagementBasedonHydrotoxicologicalInvestigationsprojectthataimstoimprovetheknowledgeconcerningbioavailability,transport,fate,andeffectsofcontaminantsontheaquaticenvironment.

简介：Giventherisingtrendinobesityinchildrenandyouthandage-relateddeclineinmoderate-to-vigorous-intensityphysicalactivity(MVPA)inseveralWestern,African,andAsian-Pacificcountries~1andstrongevidencethatpastphysicalactivity(PA)interventionshavehadonlyasmalleffectonchildren’sandyouth’soverallactivitylevels,~2itisimportanttoclarifywhetherschool-basedPAinterventionswarrantresourceallocation.Schoolsrepresentanaccessibleandcost-effectivesetting

简介：Nanostructuredironoxyhydroxide（FeOOH）thinfilmshavebeensynthesizedusinganelectrodepositionmethodonanickelfoam（NF）substrateandeffectofairannealingtemperatureonthecatalyticperformanceisstudied.Theas-depositedandannealedthinfilmswerecharacterizedbyX-raydiffraction（XRD）,X-rayphotoelectronspectroscopy（XPS）,fieldemissionscanningelectronmicroscopy（FE-SEM）andlinearsweepvoltammetry（LSV）todeterminetheirstructural,morphological,compositionalandelectrochemicalproperties,respectively.Theas-depositednanostructuredamorphousFeOOHthinfilmisconvertedintoapolycrystallineFe2O3withhematitecrystalstructureatahightemperature.TheFeOOHthinfilmactsasanefficientelectrocatalystfortheoxygenevolutionreaction（OER）inanalkaline1MKOHelectrolyte.Thefilmannealedat200°Cshowshighcatalyticactivitywithanonsetoverpotentialof240mVwithasmallerTafelslopeof48mV/dec.Additionally,itneedsanoverpotentialof290mVtothedrivethecurrentdensityof10mA/cm2andshowsgoodstabilityinthe1MKOHelectrolytesolution.

简介：以便区分充满的效果和暴烈的活动并且探索激发富有硅的铁矿石跟踪的活动(IOT)的方法，惰性的石英作为修正被引进标准，上好的影响，锻烧，热治好系统和一些另外的因素被红外调查，XRD，MIP，等等显微镜的方法。磨擦的试验性的结果表演和锻烧罐头仅仅改变SiO2,的非结晶的状态，IOT不在在房间温度下面治好的水泥举办暴烈的活动状况。热治好系统能刺激IOT的活动，特别压热器治好治好的臼系统能消费大量Ca(哦)2和难钙硅酸盐并且有更靠近的结构。当IOT粉末的特定的表面区域是800m2/kg,，30%水泥被IOT代替时，搽粉，有IOT的臼力量粉末比那甚至高与cementonly。

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