文档介绍:Butterworth-HeinemannisanImprintofElsevierLinacreHouse,JordanHill,OxfordOX28DP,UK30CorporateDrive,Suite400,Burlington,MA01803,USASixthedition2009CopyrightÓ2009,,DesignsandPatentsAct1988Nopartofthispublicationmaybereproduced,storedinaretrievalsystemortransmittedinanyformorbyanymeanselectronic,mechanical,photocopying,recordingorotherwisewithoutthepriorwrittenpermissionofthepublisherPermissionsmaybesoughtdirectlyfromElsevier’sScience&TechnologyRightsDepartmentinOxford,UK:phone(+44)(0)1865843830;fax(+44)(0)1865853333;email:******@.AlternativelyyoucansubmityourrequestonlinebyvisitingtheElsevierwebsiteat/locate/permissions,andselectingObtainingpermissiontouseElseviermaterialNoticeNoresponsibilityisassumedbythepublisherforanyinjuryand/ordamagetopersonsorpropertyasamatterofproductsliability,negligenceorotherwise,orfromanyuseoroperationofanymethods,products,,inparticular,independentverificationofdiagnosesanddrugdosagesshouldbemadeBritishLibraryCataloguinginPublicationDataAcataloguerecordforthisbookisavailablefromtheBritishLibraryLibraryofCongressCataloging-in-PublicationDataAcatalogrecordforthisbookisavailablefromtheLibraryofCongressForinformationonallButterworth-:978-1-85617-684-2PrintedandboundinGreatBritain0910**********PrefacePrefacetotheSixthEditionItisnow20yearssincethefirsteditionoftheISO9000familyofstandardswaspublishedandinthattimethepopularityandnotorietyofthestandards(particularlythoseusedforcertificationpurposes),