ASME B89.1.2M-1991 用接触式比较方法核准量块(直径为20英寸和50毫米)
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【英文标准名称】:CalibrationofGageBlocksbyContactComparisonMethods(Through20in.and500mm)
【原文标准名称】:用接触式比较方法核准量块(直径为20英寸和50毫米)
【标准号】:ASMEB89.1.2M-1991
【标准状态】:现行
【国别】:美国
【发布日期】:1991-01-01
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:长度;校正;英寸;计量学;表面纹理;块规;平面度测量;平行;尺寸计量;测量仪器;计量单位;比较方法;测量单位
【英文主题词】:Calibration;Comparisonmethods;Dimensionalmetrology;Flatnessmeasurement;Gaugeblocks;Inch;Length;Measuringinstruments;Metric;Metrology;Parallelism;Surfacetexture;Unitsofmeasurement
【摘要】:Thisstandardcoversprocedurestoestablishunifiedpracticeincalibrationlaboratoriesformeasuringgageblocksupto20in.(500mm)inlength(size)bycontactcomparisonmethods.Itdoesnotcoverinterferometriccomparisonmethods.
【中国标准分类号】:J42
【国际标准分类号】:17_040_30
【页数】:35P.;A4
【正文语种】:英语
【英文标准名称】:Waterquality-Determinationoftheeliminationandbiodegradabilityoforganiccompoundsinanaqueousmedium-Activatedsludgesimulationtest
【原文标准名称】:水质.水介质中有机化合物的生物降解和去除率的测定.活性污泥模拟试验
【标准号】:ISO11733-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-08
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC147
【标准类型】:()
【标准水平】:()
【中文主题词】:模拟;定义;试验规程;有机化合物;生物降解能力;试验;降解能力;活性污泥;鳕鱼;去除;好气菌;水质;水质试验
【英文主题词】:Activatedsludges;Aerobicbacteria;Biodegradability;COD;Definitions;Degradability;Elimination;Organiccompounds;Simulation;Testprocedures;Testing;Waterquality;Watertesting
【摘要】:ThisInternationalStandardspecifiesamethodforthedeterminationoftheeliminationandthebiodegradabilityoforganiccompoundsbyaerobicmicro-organisms.Theconditionsdescribedsimulateawaste-watertreatmentplant.Twotestsystemscanbeused:activatedsludgeplantsorporouspots.Thetestscanoptionallybeperformedunderconditionsofnitrificationanddenitrification(AnnexA)andcouplingoftheunits(AnnexB).Themethodappliestoorganiccompoundswhich,undertheconditionsofthetest,area)solubleintapwateratthetestconcentrationandnotexpectedtobetransformedtoinsolublemetabolitesifbiodegradation,inadditiontoelimination,isdetermined;b)poorlywater-soluble,butwhicharesatisfactorilydispersibleinwaterandallowdetectionwithsuitableanalyticalmeans(e.g.organiccarbonmeasurements);c)non-volatile,orwhichhaveanegligiblevapourpressureunderthetestconditions;d)notinhibitorytothetestmicro-organismsattheconcentrationchosenforthetest.Inhibitoryeffectscanbedeterminedbyusingasuitabletestmethod(e.g.ISO8192orISO15522t).CompoundsinhibitoryatconcentrationsusedinthistestmaybetestedatconcentrationslessthantheirEC20value,followedbyhigherpracticalconcentrationsafteraperiodofacclimatization.Themethodcanalsobeusedtomeasurethebiodegradationandeliminationofdissolvedorganiccompoundsinwastewater(alsocalled"testcompound"inthemethod).Ifmoreordifferentinformationisrequiredtopredictthebehaviouroftestcompoundsorwastewaterinatreatmentplant,otherdegradationtestsmaybeperformed.Forappropriateuseofthismethodandforalternativebiodegradationmethods,seeISO/TR15462andforgeneralinformationonbiotesting,seeISO5667-16.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_70
【页数】:27P;A4
【正文语种】:英语
【英文标准名称】:Electromagneticcompatibility(EMC)-Part1-2:General-Methodologyfortheachievementoffunctionalsafetyofelectricalandelectronicsystemsincludingequipmentwithregardtoelectromagneticphenomena
【原文标准名称】:电磁兼容性(EMC).第1-2部分:总则.达到电气和电子设备在电磁现象方面功能安全的方法
【标准号】:IEC/TS61000-1-2-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-11
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC77
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;电气工程;电气安全;电磁兼容性;电磁场;电磁脉冲;电磁试验;电子设备;EMC;英语;功能效率;功能;总论;工作性能;防电击;可靠性分析;安全;安全要求;术语
【英文主题词】:Definitions;Electricalengineering;Electricalsafety;Electromagneticcompatibility;Electromagneticfields;Electromagneticpulse;Electromagnetictests;Electronicequipment;EMC;Englishlanguage;Functionalefficiency;Functions;Generalsection;Operatability;Protectionagainstelectricshocks;Reliabilityanalysis;Safety;Safetyrequirements;Terms
【摘要】:ThispartofIEC61000establishesamethodologyfortheachievementoffunctionalsafetyonlywithregardtoelectromagneticphenomenaofelectricalandelectronicsystemsandinstallations,asinstalledandusedunderoperationalconditions.Thismethodologyincludestheimplicationithasonequipmentusedinsuchsystemsandinstallations.Thistechnicalspecification:a)appliestosafety-relatedsystemsincorporatingelectrical/electronic/programmableelectronicequipment;b)considerstheinfluenceoftheelectromagneticenvironmentonsafety-relatedsystems;itisintendedfordesigners,manufacturersandinstallersofsafety-relatedsystemsandcanbeusedasaguidebyIECcommittees;c)isnotconcernedwithdirecthazardsfromelectromagneticfieldsonlivingbeingsnorisitconcernedwithsafetyrelatedtobreakdownofinsulationorothermechanismsbywhichpersonscanbeexposedtoelectricalhazards.ItmainlycoversEMCrelatedaspectsofthedesignphaseofsafety-relatedsystemsandequipmentusedtherein,anddealsinparticularwith-somebasicconceptsintheareaoffunctionalsafety,-thevariousEMCspecificstepsfortheachievementandmanagementoffunctionalsafety,-thedescriptionandassessmentoftheelectromagneticenvironment,-theEMCaspectsofthedesignandintegrationprocesstakingintoaccounttheprocessofEMCsafetyplanningonsystemaswellasonequipmentlevel,-thevalidationandverificationprocessesregardingtheimmunityagainstelectromagneticdisturbances,-theperformancecriterionandsometestphilosophyconsiderationsforsafety-relatedsystemsandtheequipmentusedtherein,-aspectsrelatedtotestingoftheimmunityofsafety-relatedsystemsandequipmentusedthereinagainstelectromagneticdisturbances.ThisTechnicalSpecificationisapplicabletosafety-relatedsystemsintendedtocomplywiththerequirementsofIEC61508and/orassociatedsector-specificfunctionalsafetystandards.Forsafety-relatedsystemscoveredbyotherfunctionalsafetystandards,aconsiderationshallbemadeoftherequirementsofthisTechnicalSpecificationinordertoidentifytheappropriatemeasuresthatshallbetakenwithrelationtoEMCandfunctionalsafety.ThisTechnicalSpecificationmayalsobeusedasaguideforconsideringEMCrequirementsforothersystemshavingadirectcontributiontosafety.
【中国标准分类号】:L06
【国际标准分类号】:33_100_01;33_100_99
【页数】:25P;A4
【正文语种】:英语
