简介:1.TheproblemTheterm'concussion'referstoacommonformoftraumaticbraininjury,whichtypicallyoccursafterabloworinjurytothehead.Ithasbeendescribedasa'complexpathophysiologicalprocessaffectingthebrain,inducedbybiomechanicalfactors',andshearforcesinducedbyrotationalaccelerationarebelievedtobetheprimarymechanismofinjuryinconcussion.~1TheincidenceofconcussionintheUKhasbeenshowntobeup
简介:Inthispaperthemodernelectron-opticalequipmentisusedtotranslatetheclearimageofspeed-movingbubblesinbubblingliquidonasievetrayintothedigitalinformationstoredincomputer,andthecomputeraidedimage-processingtechniqueisutillizedtomeasurethebubblesizedistributionsandinterfacialareasundervariousoperatingcondtions.Andthedynamicbehaviorofbubblesintrubulentliquidisanalyzedtheoretically;themechnaismofbubbledeformationandbreakageisexploredonthebasisofKolmogorff'sisotropicturbulencehypothesis;themathematicalmodelforpredictingthegas-liquidinterfacialareaisproposed,Thecomparisonbetweenthesimulatedresultsandtheexperimentaldatashowthatthemodelishigherinaccuracy,simpleinformandconvenientinuse.
简介:Thetoolsystemoftheorganizationalriskanalyzer(ORA)tostudythenetworkofEastTurkistanterroristsisselected.Themodeloftherelationshipsamongitspersonnel,knowledge,resourcesandtaskentitiesisrepresentedbythemeta-matrixinORA,withwhichtoanalyzetherisksandvulnerabilitiesoforganizationalstructurequantitatively,andobtainthelastvulnerabilitiesandrisksoftheorganization.Casestudyinthissystemshowsthatitshouldbeashortcuttodestroyeffectivelythenetwork...
简介:Thispaperpresentsamethodologytodeterminethreedataquality(DQ)riskcharacteristics:accuracy,comprehensivenessandnonmembership.Themethodologyprovidesasetofquantitativemodelstoconfirmtheinformationqualityrisksforthedatabaseofthegeographicalinformationsystem(GIS).FourquantitativemeasuresareintroducedtoexaminehowthequalityrisksofsourceinformationaffectthequalityofinformationoutputsproducedusingtherelationalalgebraoperationsSelection,Projection,and...
简介:Toofferatheoreticguidancetopractice,onthebasisoftheworkinanemergingstrandofsupplychainmanagementandbymatchingtheconstructsofperformanceandrisktogether,aframeworkbetweensupplychainriskmanagementandorganizationalperformanceisdeveloped.Theframeworkincludesaseriesofmutuallyassociatedprocessesasfollows:risksourcesandprofiles,riskandperformancedrives,riskandperformanceconsequences,riskmanagementresponses,andriskandperformanceoutcomes.Furthe...