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【英文标准名称】:Connectorsforprintedboards(flatcontacts,singlerow);edgesocketconnectors-edgeboardcontacts
【原文标准名称】:印制电路板(单列扁平触点)用连接器:第1部分:棱边插座连接器-棱边印制板电路板
【标准号】:DIN41620-1-1970
【标准状态】:现行
【国别】:德国
【发布日期】:1970-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:插头;柔性印制电路板;插头连接器;印制电路;印制电路板
【英文主题词】:printed-circuitboards;electricplugs;printedcircuits;flexibleprintedboards;plugconnectors
【摘要】:Connectorsforprintedboards;(flatcontacts,singlerow),edgesocketconnectors-edgeboardcontacts
【中国标准分类号】:L23
【国际标准分类号】:31_220_10
【页数】:4P;A4
【正文语种】:德语


【英文标准名称】:StandardPracticeforDecontaminationofFieldEquipmentUsedatNonradioactiveWasteSites
【原文标准名称】:在非放射性废弃物场地上用现场设备的净化的标准实施规程
【标准号】:ASTMD5088-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D18.21
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:contaminant;decontamination;sampling;waste;
【摘要】:Anappropriatelydeveloped,executedanddocumentedequipmentdecontaminationprocedureisanintegralandessentialpartofwastesiteinvestigations.Thebenefitsofitsuseinclude:5.1.1Minimizingthespreadofcontaminantswithinastudyareaandfromsitetosite,5.1.2Reducingthepotentialforworkerexposurebymeansofcontactwithcontaminatedsamplingequipment,and5.1.3Improveddataqualityandreliability.Thispracticeisnotasubstituteforawell-documentedQualityAssurance/QualityControl(QA/QC)program.Becausetheultimatetestofadecontaminationprocedureisitsabilitytominimizeerroneousdata,areasonableQA/QCprogrammustbeimplemented.Thispracticemaynotbeapplicabletoallwastesites.Whenasamplingeffortiscompletedtodetermineonlythegeneralrangeofchemicalconcentrationsofinterestlessrigorousdecontaminationprocedurescanbeadequate.InvestigatorsshouldhavetheflexibilitytomodifythedecontaminationprocedureswithdueconsiderationforthesamplingobjectiveorifQA/QCdocumentationsupportsalternativedecontaminationmethods.Atsiteswherethereactivityofsamplingequipmenttodecontaminationwashescreatesconcernforthegenerationofundesirablechemicalby-products,theuseofdedicatedsamplingequipmentshouldbeconsidered.Thispractice,whereapplicable,shouldbeusedbefore,between,andafterthecompletionofsamplingevents.Thesepracticesareappropriateforuseatsiteswherechemical(organicandinorganic)contaminationisknownorexpected.Theapplicationofthesepracticestoothertypesofsitesradiological,mixed(radiologicalandchemical),orbiohazardcontaminatedsitesmaynotbeapplicable.Theapplicationofthesepracticestothesetypesofsitesshouldbeundertakenwithcareandconsideration,alongwithQA/QCdocumentationthatsupportstheeffectivenessofthesedecontaminationtechniques.1.1Thispracticecoversthedecontaminationoffieldequipmentusedinthesamplingofsoils,soilgas,sludges,surfacewater,andgroundwateratwastesiteswhicharetoundergobothphysicalandchemicalanalyses.1.2Thesepracticesareapplicableonlyatsiteswherechemical(organicandinorganic)wastesareaconcern.Itisnotintendedforuseatradiological,mixed(chemicalandradiological),orbiohazardsites.1.3Proceduresareincludedforthedecontaminationofequipmentwhichcomesintocontactwiththesamplematrix(samplecontactingequipment)andforancillaryequipmentthathasnotcontactedtheportionofsampletobeanalyzed(non-samplecontactingequipment).1.4Thesepracticesarebasedoncommonlyrecognizedmethodsbywhichequipmentmaybedecontaminated.Theproceduresdescribedforsamplecontactingequipmentarecommonlyprescribed,howeverthereisaminimumofscientificdatathatsupportsthesemethods(Mickametal.1989,Parker,1995).ThereforetheuserisremindedoftheimportanceofQA/QCsamplesthatdocumentdecontaminationeffectivenessandthatthesesamplescanbeusedtomodifyorenhancedecontaminationtechniques.DecontaminationatradiologicallycontaminatedsitesshouldrefertoPracticeD5608.1.5Thispracticeisapplicabletomostconventionalsamplingequipmentconstructedofmetallicandsyntheticmaterials.Themanufacturerofaspecificsamplingapparatusshouldbecontactedifthereisconcernregardingthereactivityofadecontaminationrinsingagentwiththeequipment.1.6Thispracticeoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgement.Notallaspectsofthispracticemay......
【中国标准分类号】:
【国际标准分类号】:13_030_40
【页数】:5P.;A4
【正文语种】: