BS 4285 Sec.3.8-1988 乳品的微生物检验.第3部分:微生物种群的检测和(或)计数方法.第8节:定大肠杆菌的计数方法
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【英文标准名称】:Microbiologicalexaminationfordairypurposes.Methodsofdetectionand/orenumerationofspecificgroupsofmicroorganisms.EnumerationofpresumptiveEscherichiacoli
【原文标准名称】:乳品的微生物检验.第3部分:微生物种群的检测和(或)计数方法.第8节:定大肠杆菌的计数方法
【标准号】:BS4285Sec.3.8-1988
【标准状态】:作废
【国别】:英国
【发布日期】:1988-01-29
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:乳制品;大肠杆菌;计数方法(微生物学);培养基;牛奶;生物分析和试验;微生物分析;食品;食品检验;试验条件;培养技术;细菌计数方法
【英文主题词】:
【摘要】:
【中国标准分类号】:X16;C53
【国际标准分类号】:
【页数】:6P;A4
【正文语种】:英语
【原文标准名称】:乳品的微生物检验.第3部分:微生物种群的检测和(或)计数方法.第8节:定大肠杆菌的计数方法
【标准号】:BS4285Sec.3.8-1988
【标准状态】:作废
【国别】:英国
【发布日期】:1988-01-29
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:乳制品;大肠杆菌;计数方法(微生物学);培养基;牛奶;生物分析和试验;微生物分析;食品;食品检验;试验条件;培养技术;细菌计数方法
【英文主题词】:
【摘要】:
【中国标准分类号】:X16;C53
【国际标准分类号】:
【页数】:6P;A4
【正文语种】:英语
下载地址: 点击此处下载
【英文标准名称】:Informationtechnology-OpenSystemsInterconnection-Servicedefinitionfortheapplicationserviceobjectassociationcontrolserviceelement
【原文标准名称】:信息技术开放系统互连应用服务客体联系控制服务元素服务定义
【标准号】:ISO/IEC15953-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-12
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:信息交换;开放系统互连;控制规程;联合控制;网络互连;数据处理;定义;信息处理;通信规程;信息交流
【英文主题词】:Associationcontrol;Communicationprocedures;Controlprocedures;Dataprocessing;Definition;Definitions;Informationexchange;Informationinterchange;Informationprocessing;Networkinterconnection;OSI
【摘要】:ThisRecommendation|InternationalStandarddefinesACSEservicesforASO-associationcontrolinanopensystemsinterconnectionenvironment.ACSEsupportstwomodesofcommunicationservice:connection-modeandconnectionless-mode.TheACSEconnection-modeserviceisprovidedbytheuseoftheconnection-modeACSEprotocol(seeITU-TRec.X.227bis|ISO/IEC15954).TheACSEconnectionless-modeservice(A-UNIT-DATA)isprovidedbytheuseoftheconnectionless-modeACSEprotocol(seeITU-TRec.X.237bis|ISO/IEC15955).FivefunctionalunitsaredefinedintheACSE.ThemandatoryKernelfunctionalunitisusedtoestablishandreleaseASO-associations.TheoptionalAuthenticationfunctionalunitprovidesadditionalfacilitiesforexchanginginformationinsupportofauthenticationduringassociationestablishmentwithoutaddingservices.TheACSEauthenticationfacilitiesmaybeusedtosupportalimitedclassofauthenticationmethods.TheoptionalASO-contextnegotiationfunctionalunitallowsmultipleASO-contextstobeofferedduringassociationestablishment.TheoptionalhigherlevelassociationfunctionalunitprovidesforthefacilitytoidentifyASO-associationsandtransparentlypassdatatochildASOsandallowstheASO-contextorthepresentationcontextonanASO-associationtobemodifiedduringthelifetimeoftheassociation.ThisRecommendation|InternationalStandarddoesnotspecifyindividualimplementationsorproducts,nordoesitconstraintheimplementationofentitiesandinterfaceswithinacomputersystem.NorequirementismadeforconformancetothisServicedefinition.
【中国标准分类号】:L79
【国际标准分类号】:35_100_70
【页数】:25P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforAirborneAsbestosConcentrationinAmbientandIndoorAtmospheresasDeterminedbyTransmissionElectronMicroscopyDirectTransfer(TEM)
【原文标准名称】:用透射式电子显微镜直接转移法测定周围环境和室内空气中气载石棉浓度的标准试验方法
【标准号】:ASTMD6281-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D22.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:air;ambientair;amphibole;asbestos;chrysotile;electronmicroscopy;indooratmospheres;microscopy;Poissonfrequencydistribution;Transmissionelectronmicroscopy(TEM);AirborneasbestosbydirecttransferTEM;Ambientair/atmosphericanaly
【摘要】:Thistestmethodisapplicabletothemeasurementofairborneasbestosinawiderangeofambientairsituationsandfordetailedevaluationofanyatmosphereinwhichasbestosstructuresarelikelytobepresent.Mostfibersinambientatmospheresarenotasbestos,andtherefore,thereisarequirementforfiberstobeidentified.Mostoftheairborneasbestosfibersinambientatmosphereshavediametersbelowtheresolutionlimitofthelightmicroscope.Thistestmethodisbasedontransmissionelectronmicroscopy,whichhasadequateresolutiontoallowdetectionofsmallthinfibersandiscurrentlytheonlytechniquecapableofunequivocalidentificationofthemajorityofindividualfibersofasbestos.Asbestosisoftenfound,notassinglefibers,butasverycomplex,aggregatedstructures,whichmayormaynotalsobeaggregatedwithotherparticles.Thefibersfoundsuspendedinanambientatmospherecanoftenbeidentifiedunequivocallyifsufficientmeasurementeffortisexpended.However,ifeachfiberweretobeidentifiedinthisway,theanalysiswouldbecomeprohibitivelyexpensive.Becauseofinstrumentaldeficienciesorbecauseofthenatureoftheparticulatematter,somefiberscannotbepositivelyidentifiedasasbestoseventhoughthemeasurementsallindicatethattheycouldbeasbestos.Therefore,subjectivefactorscontributetothismeasurement,andconsequently,averyprecisedefinitionoftheprocedureforidentificationandenumerationofasbestosfibersisrequired.Themethoddefinedinthistestmethodisdesignedtoprovideadescriptionofthenature,numericalconcentration,andsizesofasbestos-containingparticlesfoundinanairsample.Thetestmethodisnecessarilycomplexbecausethestructuresobservedarefrequentlyverycomplex.Themethodofdatarecordingspecifiedinthetestmethodisdesignedtoallowreevaluationofthestructure-countingdataasnewapplicationsformeasurementsaredeveloped.Allofthefeasiblespecimenpreparationtechniquesresultinsomemodificationoftheairborneparticulatematter.Eventhecollectionofparticlesfromathree-dimensionalairbornedispersionontoatwo-dimensionalfiltersurfacecanbeconsideredamodificationoftheparticulatematter,andsomeoftheparticles,inmostsamples,aremodifiedbythespecimenpreparationprocedures.However,theproceduresspecifiedinthistestmethodaredesignedtominimizethedisturbanceofthecollectedparticulatematerial.Thistestmethodappliestoanalysisofasinglefilteranddescribestheprecisionattributabletomeasurementsforasinglefilter(see13.1).Multipleairsamplesareusuallynecessarytocharacterizeairborneasbestosconcentrationsacrosstimeandspace.Thenumberofsamplesnecessaryforthispurposeisproportionaltothevariationinmeasurementacrosssamples,whichmaybegreaterthanthevariationinameasurementforasinglesample.1.1Thistestmethodisananalyticalprocedureusingtransmissionelectronmicroscopy(TEM)forthedeterminationoftheconcentrationofasbestosstructuresinambientatmospheresandincludesmeasurementofthedimensionofstructuresandoftheasbestosfibersfoundinthestructuresfromwhichaspectratiosarecalculated.1.1.1Thistestmethodallowsdeterminationofthetype(s)ofasbestosfiberspresent.1.1.2Thistestmethodcannotalwaysdiscriminatebetweenindividualfibersoftheasbestosandnon-asbestosanaloguesofthesameamphibolemineral.1.2Thistestmethodissuitablefordeterminationofasbestosinbothambient(outdoor)andbuildingatmospheres.1.2.1Thistestmethodisdefinedforpolycarbonatecapillary-porefiltersorcelluloseester(eithermixedestersofcelluloseorcellulosenitrate)filtersthroughwhichaknownvolumeofairhasbeendrawnandforblankfilters.
【原文标准名称】:信息技术开放系统互连应用服务客体联系控制服务元素服务定义
【标准号】:ISO/IEC15953-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-12
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:信息交换;开放系统互连;控制规程;联合控制;网络互连;数据处理;定义;信息处理;通信规程;信息交流
【英文主题词】:Associationcontrol;Communicationprocedures;Controlprocedures;Dataprocessing;Definition;Definitions;Informationexchange;Informationinterchange;Informationprocessing;Networkinterconnection;OSI
【摘要】:ThisRecommendation|InternationalStandarddefinesACSEservicesforASO-associationcontrolinanopensystemsinterconnectionenvironment.ACSEsupportstwomodesofcommunicationservice:connection-modeandconnectionless-mode.TheACSEconnection-modeserviceisprovidedbytheuseoftheconnection-modeACSEprotocol(seeITU-TRec.X.227bis|ISO/IEC15954).TheACSEconnectionless-modeservice(A-UNIT-DATA)isprovidedbytheuseoftheconnectionless-modeACSEprotocol(seeITU-TRec.X.237bis|ISO/IEC15955).FivefunctionalunitsaredefinedintheACSE.ThemandatoryKernelfunctionalunitisusedtoestablishandreleaseASO-associations.TheoptionalAuthenticationfunctionalunitprovidesadditionalfacilitiesforexchanginginformationinsupportofauthenticationduringassociationestablishmentwithoutaddingservices.TheACSEauthenticationfacilitiesmaybeusedtosupportalimitedclassofauthenticationmethods.TheoptionalASO-contextnegotiationfunctionalunitallowsmultipleASO-contextstobeofferedduringassociationestablishment.TheoptionalhigherlevelassociationfunctionalunitprovidesforthefacilitytoidentifyASO-associationsandtransparentlypassdatatochildASOsandallowstheASO-contextorthepresentationcontextonanASO-associationtobemodifiedduringthelifetimeoftheassociation.ThisRecommendation|InternationalStandarddoesnotspecifyindividualimplementationsorproducts,nordoesitconstraintheimplementationofentitiesandinterfaceswithinacomputersystem.NorequirementismadeforconformancetothisServicedefinition.
【中国标准分类号】:L79
【国际标准分类号】:35_100_70
【页数】:25P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforAirborneAsbestosConcentrationinAmbientandIndoorAtmospheresasDeterminedbyTransmissionElectronMicroscopyDirectTransfer(TEM)
【原文标准名称】:用透射式电子显微镜直接转移法测定周围环境和室内空气中气载石棉浓度的标准试验方法
【标准号】:ASTMD6281-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D22.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:air;ambientair;amphibole;asbestos;chrysotile;electronmicroscopy;indooratmospheres;microscopy;Poissonfrequencydistribution;Transmissionelectronmicroscopy(TEM);AirborneasbestosbydirecttransferTEM;Ambientair/atmosphericanaly
【摘要】:Thistestmethodisapplicabletothemeasurementofairborneasbestosinawiderangeofambientairsituationsandfordetailedevaluationofanyatmosphereinwhichasbestosstructuresarelikelytobepresent.Mostfibersinambientatmospheresarenotasbestos,andtherefore,thereisarequirementforfiberstobeidentified.Mostoftheairborneasbestosfibersinambientatmosphereshavediametersbelowtheresolutionlimitofthelightmicroscope.Thistestmethodisbasedontransmissionelectronmicroscopy,whichhasadequateresolutiontoallowdetectionofsmallthinfibersandiscurrentlytheonlytechniquecapableofunequivocalidentificationofthemajorityofindividualfibersofasbestos.Asbestosisoftenfound,notassinglefibers,butasverycomplex,aggregatedstructures,whichmayormaynotalsobeaggregatedwithotherparticles.Thefibersfoundsuspendedinanambientatmospherecanoftenbeidentifiedunequivocallyifsufficientmeasurementeffortisexpended.However,ifeachfiberweretobeidentifiedinthisway,theanalysiswouldbecomeprohibitivelyexpensive.Becauseofinstrumentaldeficienciesorbecauseofthenatureoftheparticulatematter,somefiberscannotbepositivelyidentifiedasasbestoseventhoughthemeasurementsallindicatethattheycouldbeasbestos.Therefore,subjectivefactorscontributetothismeasurement,andconsequently,averyprecisedefinitionoftheprocedureforidentificationandenumerationofasbestosfibersisrequired.Themethoddefinedinthistestmethodisdesignedtoprovideadescriptionofthenature,numericalconcentration,andsizesofasbestos-containingparticlesfoundinanairsample.Thetestmethodisnecessarilycomplexbecausethestructuresobservedarefrequentlyverycomplex.Themethodofdatarecordingspecifiedinthetestmethodisdesignedtoallowreevaluationofthestructure-countingdataasnewapplicationsformeasurementsaredeveloped.Allofthefeasiblespecimenpreparationtechniquesresultinsomemodificationoftheairborneparticulatematter.Eventhecollectionofparticlesfromathree-dimensionalairbornedispersionontoatwo-dimensionalfiltersurfacecanbeconsideredamodificationoftheparticulatematter,andsomeoftheparticles,inmostsamples,aremodifiedbythespecimenpreparationprocedures.However,theproceduresspecifiedinthistestmethodaredesignedtominimizethedisturbanceofthecollectedparticulatematerial.Thistestmethodappliestoanalysisofasinglefilteranddescribestheprecisionattributabletomeasurementsforasinglefilter(see13.1).Multipleairsamplesareusuallynecessarytocharacterizeairborneasbestosconcentrationsacrosstimeandspace.Thenumberofsamplesnecessaryforthispurposeisproportionaltothevariationinmeasurementacrosssamples,whichmaybegreaterthanthevariationinameasurementforasinglesample.1.1Thistestmethodisananalyticalprocedureusingtransmissionelectronmicroscopy(TEM)forthedeterminationoftheconcentrationofasbestosstructuresinambientatmospheresandincludesmeasurementofthedimensionofstructuresandoftheasbestosfibersfoundinthestructuresfromwhichaspectratiosarecalculated.1.1.1Thistestmethodallowsdeterminationofthetype(s)ofasbestosfiberspresent.1.1.2Thistestmethodcannotalwaysdiscriminatebetweenindividualfibersoftheasbestosandnon-asbestosanaloguesofthesameamphibolemineral.1.2Thistestmethodissuitablefordeterminationofasbestosinbothambient(outdoor)andbuildingatmospheres.1.2.1Thistestmethodisdefinedforpolycarbonatecapillary-porefiltersorcelluloseester(eithermixedestersofcelluloseorcellulosenitrate)filtersthroughwhichaknownvolumeofairhasbeendrawnandforblankfilters.