简介:OnMarch26,2010anunderwaterexplosion(UWE)ledtothesinkingoftheROKSCheonan.TheofficialMultinationalCivilian-MilitaryJointInvestigationGroup(MCMJIG)reportconcludedthatthecauseoftheunderwaterexplosionwasa250kgnetexplosiveweight(NEW)detonationatadepthof69mfromaDPRK'CHT-02D'torpedo.KimandGitterman(2012a)determinedtheNEWandseismicmagnitudeas136kgatadepthofapproximately8mand2.04,respectivelyusingbasichydrodynamicsbasedontheoreticalandexperimentalmethodsaswellasspectralanalysisandseismicmethods.ThepurposeofthisstudywastoclarifythecauseoftheUWEviamoredetailedmethodsusingbubbledynamicsandsimulationofpropellersaswellasforensicseismology.Regardingtheobservedbubblepulseperiodof0.990s,0.976sand1.030swerefoundincaseofa136NEWatadetonationdepthof8musingtheboundaryelementmethod(BEM)and3Dbubbleshapesimulationsderivedfora136kgNEWdetonationatadepthof8mapproximately5mportsidefromthehullcenterline.Hereweshowthroughanalyticalequations,modelsand3Dbubbleshapesimulationsthatthemostprobablecauseofthisunderwaterexplosionwasa136kgNEWdetonationatadepthof8mattributabletoaROKlittoral'landcontrol'mine(LCM).
简介:文中在介绍我国目前在海上油污事故赔偿方面的立法状况的基础上,分析了我国目前立法中存在的问题,进而指出中国未来加入《基金公约》的合理性以及从国际公约中借鉴相关标准制定专门的海上油污单行立法的必要性.
简介:召回在摩托车行业属于一个陌生的话题。在有些人看来,在国内汽车行业的召回制度尚未成型的大背景下来探讨摩托车召回显得有些“过于超前”。然而,无论是从发达国家摩托车产品管理制度与经验来看,还是从我国摩托车行业与市场发展趋势与要求来看,召回是摩托车行业绕不开的话题。从最近欧Ⅱ和一车一证的实施,我们可以看出行业政策法规与国际接轨的趋势,经济全球一体化趋势在逐渐瓦解着我们以前固守的政策壁垒。维护公共安全,是一个负责政府应尽的职责,更是一个成熟企业的必然选择。《缺陷汽车产品召回管理规定》已于2004年10月1日起开始实施,那么,摩托车行业离召回还有多远?