简介:使用一位口令经理比不使用一个被知道更方便、安全,在口令经理本身是安全的假设上。然而最近的研究证明很流行的口令管理器有没有用户了解,可以被愚弄漏口令的安全危险。在这份报纸,我们建议一个新口令管理器,SplitPass,它垂直地互相把口令的存储和存取分开成二distrusting聚会。在登录期间,聚会将协作送他们的口令的所有分享到这些聚会的网服务者,而是没有曾经将有完全的口令,它显著地提起块聚会损害所有的成功的攻击。为了保留透明性到存在应用程序和网服务器,,SplitPass无缝地切开安全的窝层(SSL)和运输层安全(TCP)会话在所有聚会处理,并且使加入二口令份额透明到网服务器。我们用一个机器人电话和一个云助手实现了SplitPass并且在机器人正式市场从最高的免费应用软件用100个应用软件评估了它。评估证明SplitPass安全地保护用户口令,当几乎不招致很少表演开销和电源消费时。
简介:Trafficruleisakeyfactoraffectingtrafficflowandsafety.Wedevelopourmodels,includingthecellularautomatatrafficflowmodelaswellasthelinearregressionone,aimingatcalculatingtrafficflowandevaluatingsafetyconditionswithvariedtrafficrules.Then,wethoroughlyinvestigatefourtypesofpathsinafreeway,namelytwostraightlanes,threestraightlanes,ramps,androundaboutsascasestudiesanddiscussthedifferenttrafficrulesascomparison.Theresultsdemonstratethat“Keep-Right-Except-To-Pass”ruleisnotaseffectiveasthefreeruleinpromotingtrafficflow;however,thisruleensuressafetyfordriversbetterthanthefreerule.Additionally,anewtrafficrule,whichsetsdifferentpostedspeedlimitsforadjacentlanes,isproposedtopromotebettertrafficflowwithsafetyrequirementssatisfied.Furthermore,weapplyeffectiverulesandalternatives,leftdrivingnormsaswellasintelligentsystemasextensionandobtainbetterresults.Finally,model’ssensitivityanalysisregardingtoprobabilityofdeceleratingandpostedspeedlimitsprovesthestabilityofourresults.
简介:Thetransportofdangerousgoodsalwaysrepresentsapotentialrisktolife,humanhealth,property,andenvironmentalprotection.Forthisreasonandinordertopreservethelivesandhealthoftheparticipantsinthetransportprocess,adequateprotectionmeasuresmustbetakenbefore,during,andafterthetransportofdangerousgoods.Sincetherailwayitselfisarecipientofdangerousgoodsthatareessentialforitsownoperation,andisalsoacarrieroflargequantitiesofvariousdangerousgoods,thesemeasuresareofparamountimportance.Thispaperexamines,fromapointofviewoftheprotectionoflivesandhealthoftheparticipantsinthetransportprocessandthesafetransportofdangerousgoods,theconditionsofshipmentandtransportofdangerousgoods,theobligationsoftheparticipants,andtheessentialwaysfortheirproperhandling.Properapplicationofsafetyatworkpreventsimpromptuandindolentattitudeintransportingdangerousgoods,thuscontributingtoprotectionofpeoplelivesandhealth.Finally,thispaperincludespreventivemeasuresandbasicprinciplesforimplementationofsafetyatworkinthetransportofdangerousgoods.
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简介:AIMToevaluatetheclinicaloutcomesofpatientswhounderwentendoscopicsubmucosaltunneldissection(ESTD)foresophagealsquamouscellcarcinoma(ESCC)andprecancerouslesions.METHODSESTDwasperformedin289patients.Theclinicaloutcomesofthepatientsandpathologicalfeaturesofthelesionswereretrospectivelyreviewed.RESULTSAtotalof311lesionswereincludedintheanalysis.Theenblocrate,completeresectionrate,andcurativeresectionratewere99.04%,81.28%,and78.46%,respectively.TheESTDproceduretimewas102.4±35.1min,themeanhospitalizationtimewas10.3±2.8d,andtheaverageexpenditurewas3766.5±846.5dollars.Theintraoperativebleedingratewas6.43%,thepostoperativebleedingratewas1.61%,theperforationratewas1.93%,andthepostoperativeinfectionratewas9.65%.Esophagealstrictureandpositivemarginweresevereadverseevents,withanincidencerateof14.79%and15.76%,respectively.Notumorrecurrenceoccurredduringthefollow-upperiod.CONCLUSIONESTDforESCCandprecancerouslesionsisfeasibleandrelativelysafe,butforlargemucosallesions,therateofesophagealstrictureandpositivemarginishigh.
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