简介:THENEWCARCHALLENGE新上市的宝马5系固然很棒,但你们不觉得这类车型越来越中庸,越来越无聊了吗?对于骨子里是个不安分的人来说,花差不多的钱绝对会选择辣味十足的钢炮,比如今天对决的这两款.自我介绍高尔夫家族最最强悍的车型思域家族最最强悍的车型亮点已经是最快的“神车”了,还需要别的亮点吗在人人都以刷纽博格林赛道纪录为荣的当下,我们吃不准新思域TypeR是不是最快量产前驱者纪录的创造者或者保持者,只知道它的成绩是7分43.8秒.
简介:Asinglesetofverticallyalignedcracksembeddedinapurelyisotropicbackgroundmaybeconsideredasalong-wavelengtheffectivetransverselyisotropy(HTI)mediumwithahorizontalsymmetryaxis.Thecrack-inducedHTIanisotropycanbecharacterizedbytheweaklyanisotropicparametersintroducedbyThomsen.TheseismicscatteringtheorycanbeutilizedfortheinversionfortheanisotropicparametersinweaklyanisotropicandheterogeneousHTImedia.Basedontheseismicscatteringtheory,wefirstderivedthelinearizedPP-andPS-wavereflectioncoefficientsintermsofP-andS-waveimpedances,densityaswellasthreeanisotropicparametersinHTImedia.Then,weproposedanovelBayesianMarkovchainMonteCarloinversionmethodofPP-andPSwaveforsixelasticandanisotropicparametersdirectly.Testsonsyntheticazimuthalseismicdatacontaminatedbyrandomerrorsdemonstratedthatthismethodappearsmoreaccurate,anti-noiseandstableowingtotheusageoftheconstrainedPS-wavecomparedwiththestandardsinversionschemetakingonlythePP-waveintoaccount.
简介:WiththedeepeningofelectricpowermarketreforminChina,themonopolyedgeofthestate-ownedelectricpowerenterpriseswilllose.Onthebasisoftheexistingpostperformancesalarymechanism,ChinesepowerenterprisesneedtooptimizetheincentivemechanismofR&Dstaff,toarousetheR&Dstaff’senthusiasmandcreativity,toadapttothenewmarketcompetitionandfurtherimprovemarketvalue.WhilsttheincentivemechanismoptimizingprocessingneedstoconsidernotonlythechangingmarketenvironmentbutalsothepersonalandworkingcharacteristicsofR&Dstaff.ThispapersummarizesthecharacteristicsofthecurrentChinesepowerenterprises’R&Dstaff:staff’stheoryqualityishigh,butinsensitivetothemarket;theyareconfrontedwithheavyworkloadanddiversifiedjobchoices;managerscanobservetheirbehaviorchoicesornot;besides,theprocessofR&DiscomplexandthemarketreactionsofR&Dachievementsareuncertain.Basedonthepremiseoftheabovefeatures,twoincentivemodelsareestablishedinthispaperfromthepointofviewofenterprisemanagers.Oneisforthesituationwhenstaff’sbehaviorchoicescanbeobserved;theotherisforthesituationwhenstaff’sbehaviorchoicescannotbeobserved.Throughsolvingthemodel,weanalyzetheoptimizationpathofelectricpowerenterprisesR&Dstaffincentivemechanismundertheseconditions:(1)whenstaff’sbehaviorchoicescanbeobserved,managerscanpaymoretotheR&Dstaffwhodevelopproductswithhigheroutputvalue,inordertoencouragethemtoworkharder.(2)whenstaff’sbehaviorchoicescannotbeobserved,managersshouldtakereasonablestrategiesaccordingtothedifferentsituations:a.whenR&DstaffincentivetotallydependonthemarketvalueoftheR&Dachievements,managersshouldallocateworkloadrationallyaccordingtotheirdifferenttechnicallevels;b.whenthemarketreactionsofR&Dresultsbecomemoreprecarious,managersneedtoreducetheincentiveintensitywhichbasedonthemarketvalueandraisetheirfixe
简介:摘要目的探讨对比不同胰岛素(甘舒霖30R、诺和灵30R)对糖尿病的治疗效果。方法选取我院2015年9月-2016年9月收治的患有糖尿病的104例患者,对其采用数字抽签法分组,对照组给予甘舒霖30R治疗,观察组给予诺和灵30R治疗,比较其血糖控制效果和不良反应情况。结果两组患者血糖指标之间差异不明显(P>0.05),无统计学意义。两组患者不良反应发生率分别为1.9%、3.8%,没有差异和统计学意义(P>0.05)。结论糖尿病患者采用甘舒霖30R和诺和灵30R治疗的临床效果相似,不良反应发生率低,具有操作方便、注射次数少、安全、有效控制血糖等作用,值得在临床上使用。
简介:Anoutsourcedatabaseisadatabaseserviceprovidedbycloudcomputingcompanies.Usingtheoutsourcedatabasecanreducethehardwareandsoftware'scostandalsogetmoreefficientandreliabledataprocessingcapacity.However,theoutsourcedatabasestillhassomechallenges.Iftheserviceproviderdoesnothavesufficientconfidence,thereisthepossibilityofdataleakage.Thedatamayhasuser'sprivacy,sodataleakagemaycausedataprivacyleak.Basedonthisfactor,toprotecttheprivacyofdataintheoutsourcedatabasebecomesveryimportant.Inthepast,scholarshaveproposedk-anonymitytoprotectdataprivacyinthedatabase.Itletsdatabecomeanonymoustoavoiddataprivacyleak.Butk-anonymityhassomeproblems,itisirreversible,andeasiertobeattackedbyhomogeneityattackandbackgroundknowledgeattack.Lateron,scholarshaveproposedsomestudiestosolvehomogeneityattackandbackgroundknowledgeattack.Buttheirstudiesstillcannotrecoverbacktotheoriginaldata.Inthispaper,weproposeadataanonymitymethod.Itcanbereversibleandalsopreventthosetwoattacks.Ourstudyisbasedontheproposedr-transform.Itcanbeusedonthenumerictypeofattributesintheoutsourcedatabase.Intheexperiment,wediscussedthetimerequiredtoanonymizeandrecoverdata.Furthermore,weinvestigatedthedefenseagainsthomogeneousattackandbackgroundknowledgeattack.Attheend,wesummarizedtheproposedmethodandfutureresearches.
简介:摘要分析当前GSM-R系统通信铁塔的建设和维护情况,阐述铁路通信铁塔安全检测的必要性。介绍电信运营商对于公网通信铁塔检测和维护的相关目标要求,对GSM-R系统通信铁塔安全检测及维护的工作内容和实施方式提出具体建议。