简介:ChinastrengthensqualitysupervisiononexportfoodsandgoodsChineseMinistryofCommerce(MOC)onSeptember22ordereditslocalagenciestostepupqualitysupervisioneffortstar-getedatexport-orientedfoods,dairyproducts,medicines,toysandfurnitureproducts.
简介:Anappropriatecoupledcohesivelawforpredictingthemixedmodefailureisestablishedbycombiningnormalseparationandtangentialseparationofsurfacesinthecohesivezonemodel(CZM)andthecohesiveelementmethod.TheXu-Needlemanexponentialcohesivelawwiththefullyshearfailuremechanismisoneofthemostpopularmodels.Basedontheproposedconsistentlycoupledrule/principle,theXu-Needlemanlawwiththefullyshearfailuremechanismisprovedtobeanon-consistentlycoupledcohesivelawbyanalyzingthesurfaceseparationwork.ItisshownthattheXu-Needlemanlawisonlyvalidinthemixedmodefracturewhenthenormalseparationworkequalsthetangentialseparationwork.BasedontheconsistentlycoupledprincipleandthemodificationoftheXu-Needlemanlaw,aconsistentlycoupledcohesive(CCC)lawisgiven.ItisshownthattheproposedCCClawhasalreadyovercomethenon-consistencydefectoftheXu-Needlemanlawwithgreatpromiseinmixedmodeanalyses.
简介:TheChinesegovernmentbannedaTVcommercialurgingpeopletousecondomstopreventsexuallytransmitteddiseasesinNovember1999,sayingitviolatedthecountry’sadvertisementlaw.Advertisementsforcondomsorothersex-relatedproductsmayappearinthemediaonlyafterexistingState...
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