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  • 简介:China’spatentsystemwasestablishedin1984andcameintoeffectin1985.Threecomprehensiveamendmentshavebeenmadesofarandthefourthamendmentthatismorecomprehensiveisinprogress.Thisamendmentamountsto33articles,addingachapterof“ImplementationandApplicationofPatents”.Thekeypointsofamendmentaretostrengthentheprotectionofpatents,promotetheimplementationandapplicationofpatents,andincreasetheliabilityofpatentinfringement.Theimportantpointsofamendmentaretoimprovethelevelofpatentprotection,raisetheindemnificationstandard,transfertheburdenofproof,andencouragetheinventionandtilttheinterestsofthepatenteeorinventor.TheseamendmentswillfurtherpromotetheimprovementandperfectionofChina’spatentsystemandfurtherpromotethecivilizationandprogressofChina’ssociety.

  • 标签: PATENT LAW AMENDMENT KEY POINTS important
  • 简介:Recently,ithasbeenseenthattheensembleclassifierisaneffectivewaytoenhancethepredictionperformance.However,itusuallysuffersfromtheproblemofhowtoconstructanappropriateclassifierbasedonasetofcomplexdata,forexample,thedatawithmanydimensionsorhierarchicalattributes.Thisstudyproposesamethodtoconstructeanensembleclassifierbasedonthekeyattributes.Inadditiontoitshigh-performanceonprecisionsharedbycommonensembleclassifiers,thecalculationresultsarehighlyintelligibleandthuseasyforunderstanding.Furthermore,theexperimentalresultsbasedontherealdatacollectedfromChinaMobileshowthatthekey-attributes-basedensembleclassifierhasthegoodperformanceonbothoftheclassifierconstructionandthecustomerchurnprediction.

  • 标签: CUSTOMER churn data mining ENSEMBLE CLASSIFIER
  • 简介:Toaddressthephenomenonofsparkingduringtheedgeinductionheatingprocessinhotstripmills,thispaperusesnumericalsimulationtosystematicallyinvestigatethekeyfactorsinfluencingsparkingandtheireffects.Thedistributionofinducedcurrentdensityinthesteelplateaboverollerconveyortableduringtheheatingprocessiscalculatedandcomparedunderdifferentconditions,includingtherelativepositionsofthesteelplateandinductioncoil,thewidthofthesteelplate,andchangesinload.Theresultsshowthatwhenanarrowsteelplateisheatedorthesteelplateshiftstothesideoftheinductioncoil,sparkingbetweenthesteelplateandrollerconveyorismorelikelytooccur.

  • 标签: INDUCTION HEATING steel PLATE sparking
  • 简介:Certificatelessencryptionattractsalotofattentionsofarbyeliminatingthekeyescrowprobleminidentity-basedencryptionandpublickeycertificatesinthetraditionalpublickeycryptography.Byconsideringthethreatfromthekeyexposure,itisdesirabletoincorporatetheideaofkey-insulatedcryptosystemintothecertificatelessencryption.Inthispaper,wehavedesignedanefficientcertificatelesskeyinsulatedencryption(CL-KIE)schemetoachievethisgoal.Byourapproach,thecomputationalperformanceofourschemehasbeenimprovedsignificantlyintermsofreductiononrunningtimeandstorage.WealsogavethesecurityproofofthenewCL-KIEschemeagainstthechosenplaintextattacks(CPAs)intherandomoracle,consideringtheassumptionofthecomputationalDiffie-Hellman(CDH)problem.

  • 标签: CERTIFICATELESS cryptography keyinsulated pairing-free random oracle
  • 简介:Nowadays,thepassword-basedremoteuserauthenticationmechanismusingsmartcardisoneofthesimplestandconvenientauthenticationwaystoensuresecurecommunicationsoverthepublicnetworkenvironments.Recently,Liuetal.proposedanefficientandsecuresmartcardbasedpasswordauthenticationscheme.However,wefindthatLiuetal.’sschemeisvulnerabletotheoff-linepasswordguessingattackanduserimpersonationattack.Furthermore,italsocannotprovideuseranonymity.Inthispaper,wecryptanalyzeLiuetal.’sschemeandproposeasecurityenhanceduserauthenticationschemetoovercometheaforementionedproblems.Especially,inordertopreservetheuseranonymityandpreventtheguessingattack,weusethedynamicidentitytechnique.Theanalysisshowsthattheproposedschemeismoresecureandefficientthanotherrelatedauthenticationschemes.

  • 标签: AUTHENTICATION OFF-LINE PASSWORD guessing ATTACK smart
  • 简介:【摘要】 慢性阻塞性肺疾病 (COPD) 简称慢阻肺 , 是一种严重危害人类健康的常见病、多发病。随着医学发展、医学关注、人口老龄化等原因, COPD越来越常见。尽管如此,不少基层医务工作者对 COPD概念、诊断、与慢支炎、肺气肿、哮喘的鉴别、及其分级治疗控制知识技能不是很清晰和牢靠,有必要专题学习、普及提高,以利于社区慢病防治随访和分级诊疗管理更加规范,提高 COPD人群生活质量。

  • 标签: COPD 诊断
  • 简介:摘要目的筛查COPD合并OSAHS的患病率,通过单纯COPD和重叠综合征的各项参数对比,探讨重叠综合征对机体的影响;对重叠综合征患者给予无创呼吸机治疗,探讨无创呼吸机在重叠综合征中的临床应用价值。方法入组确诊COPD患者52人,进行多导睡眠监测,确诊合并OSAHS17人。将患者分成单纯COPD组和重叠综合征组,二组患者均进行肺功能、血气分析及症状评分;重叠综合征组患者分成呼吸机治疗组7人和非呼吸机治疗组10人,观察二组病人症状、血气分析结果。结论重叠综合征患者较单纯COPD患者存在更严重的低氧血症及高碳酸血症,肺功能损伤更严重,重叠综合征合并高血压、冠心病、脑血管疾病的比例明显高于单纯COPD组;无创呼吸机可明显改善重叠综合征患者的通气功能。

  • 标签: COPD OSAHS 重叠综合征
  • 简介:摘要目的研究三氧治疗COPD的疗效。方法选取2016年1月~2018年1月于我院接受治疗的COPD患者90例,平均分为两组,对照组45例,实施常规治疗,观察组45例,在常规治疗基础上联合医用三氧治疗,分析治疗效果。结果观察组治疗有效率、血气指标以及肺功能的改善情况均优于对照组,差异具有统计学意义(p<0.05)。结论在对COPD患者进行治疗时,在常规治疗基础上对患者实施医用三氧治疗效果显著,不仅能够使患者的血气指标和肺功能得到显著改善,而且能够促进患者治疗有效率的显著提升,具有较高的临床应用价值。

  • 标签: 三氧 COPD 疗效
  • 简介:摘要目的分析COPD管控护理门诊的开设对提高COPD患者生活质量的价值。方法本院于2017年10月开设COPD管控护理门诊,分别选取2017年1月至2017年5月、2017年10月至2018年3月本院收治的50例COPD患者为研究对象,作为对照组和研究组,分析两组患者的生活质量和肺功能恢复情况。结果研究组患者各项观察指标均优于对照组(P<0.05)。结论COPD管控护理门诊的开设能够有效提高COPD患者的生活质量,帮助恢复其肺功能,建议积极在各个医院推广应用。

  • 标签: COPD管控护理门诊 COPD患者 生活质量 肺功能
  • 简介:Intheair-waterquantumkeydistribution(QKD),theirregularseasurfacehassomeinfluenceonthephotonpolariza-tionstate.Thewindisconsideredasthemainfactorcausingtheirregularity,sothemodelofirregularseasurfacebasedonthewindspeedisadopted.Therelationshipsofthequantumbiterrorratewiththewindspeedandtheinitialincidentanglearesimulated.Therefore,themaximumsecuretransmissiondepthofQKDisconfirmed,andthelimita-tionofthewindspeedandtheinitialincidentangleisdetermined.Thesimulationresultsshowthatwhenthewindspeedandtheinitialincidentangleincrease,theperformanceofQKDwillfalldown.Undertheintercept-resendattackcondition,themaximumsafetransmissiondepthofQKDisupto105m.Torealizesafecommunicationsinthesafedivingdepthofsubmarines(100m),theinitialincidentangleisrequestedtobenotexceeding26~,andwiththeinitialincidentan~leincreased,thelimitationofwindspeedisdecreased.

  • 标签: IRREGULAR sea surface quantum key distri-aution
  • 简介:摘要慢性阻塞性肺疾病(ChronicObstructivePulmonaryDisease,COPD)是以进行性、不完全可逆的气流受限为主要特征的肺部疾病1,是一种世界性的多发病,其患病率和病死率是引起肺部疾病的主要原因,且呈逐年上升的趋势,预计至2020年该病将位居疾病死亡原因的第3位2,居我国疾病负担的首位3。由此可见,在患者住院期间,有效的控制患者疾病的发展,降低患者的病情恶化程度是治疗COPD的首要目标。而待患者出院后,有效的增强患者及其家属对COPD的认知,提高自我照顾能力对预防COPD的复发也起到了重要的作用4。目前,由于我国COPD患者对疾病认知能力普遍较低,导致大多数已出院且处于稳定期的患者疾病复发次数增加,发病程度增高,且带动着发生了一系列的并发症。因此,为了提高患者的生活质量,降低COPD的复发率就必须对出院的COPD患者实施延续护理服务,其作用不明而喻。现将延续护理服务对COPD出院患者的作用综述如下。

  • 标签: 慢性阻塞性肺疾病,延续护理服务,出院患者