DIN EN 60068-3-11-2008 环境试验.第3-11部分:支持文件和指南.恒温恒湿试验箱的不确定度的计算(IEC60068-3-11-2007)
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【英文标准名称】:Environmentaltesting-Part3-11:Supportingdocumentationandguidance-Calculationofuncertaintyofconditionsinclimatictestchambers(IEC60068-3-11:2007);GermanversionEN60068-3-11:2007
【原文标准名称】:环境试验.第3-11部分:支持文件和指南.恒温恒湿试验箱的不确定度的计算(IEC60068-3-11-2007)
【标准号】:DINEN60068-3-11-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-03
【实施或试行日期】:2008-03-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:加速度;有利因子;适用性等级;条件限制的橱柜;阻尼容量;定义;文献;电气设备;电气工程;环境;环境条件;环境效应;环境试验;系数;频率;指导手册;热室;冲击试验;仪器;材料测试;数学计算;测量;湿度测量;测量设备;测量不确定度;测量技术;性能;污染控制;样品;温度;温度测量;温度范围;温度试验;试验大气环境;试验环境;试验室;测试;热环境;公差(测量);振动测试
【英文主题词】:Acceleration;Advantagefactor;Applicabilityclasses;Conditionedcabinet;Dampingcapacity;Definition;Definitions;Documentations;Electricalappliances;Electricalengineering;Environment;Environmentalcondition;Environmentaleffect;Environmentaleffects;Environmentaltesting;Factors;Frequencies;Guidebooks;Heatingchamber;Impacttests;Instruments;Materialstesting;Mathematicalcalculations;Measurement;Measurementsofhumidity;Measuringequipment;Measuringincertainity;Measuringtechniques;Performance;Pollutioncontrol;Specimens;Temperature;Temperaturemeasurement;Temperaturerange;Temperaturetest;Testatmospheres;Testchamber;Testing;Thermalenvironment;Tolerances(measurement);Vibrationtesting
【摘要】:
【中国标准分类号】:K04;A21
【国际标准分类号】:19_040
【页数】:34P.;A4
【正文语种】:德语
【英文标准名称】:DustTestforElectricalConnectorsandSockets
【原文标准名称】:电子连接器和插孔的灰尘试验
【标准号】:ANSI/EIA364-91-1996
【标准状态】:作废
【国别】:美国
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:electricalengineering;testing;dust;electricconnectors;electricalcomponents
【摘要】:Determinesthesusceptibilityofaconnector/socketsystemtothepotentialdegradationmechanismofadust/fiberenvironmentcommontoanofficeormanufacturingarea.
【中国标准分类号】:L24
【国际标准分类号】:29_120_20
【页数】:
【正文语种】:英语
【英文标准名称】:StandardGuideforDesigningBiologicalTestswithSediments
【原文标准名称】:设计沉淀物生物试验的标准指南
【标准号】:ASTME1525-2002(2008)
【标准状态】:现行
【国别】:美国
【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(US-ASTM)
【起草单位】:E47.03
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:bioaccumulation;contamination;experimentaldesign;freshwater;saltwater;sediment;toxicity;Bioaccumulation;Biologicaldataanalysis--sediments;Contamination--environmental;Contamination--water;Controlledtestingconditions/environments;Cont
【摘要】:Contaminatedsedimentsmayaffectnaturalpopulationsofaquaticorganismsadversely.Sediment-dwellingorganismsmaybeexposeddirectlytocontaminantsbytheingestionofsedimentsandbytheuptakeofsediment-associatedcontaminantsfrominterstitialandoverlyingwater.Contaminatedsedimentsmayaffectwatercolumnspeciesdirectlybyservingasasourceofcontaminantstooverlyingwatersorasinkforcontaminantsfromoverlyingwaters.Organismsmayalsobeaffectedwhencontaminatedsedimentsaresuspendedinthewatercolumnbynaturalorhumanactivities.Watercolumnspeciesandnonaquaticspeciesmayalsobeaffectedindirectlybycontaminatedsedimentsbythetransferofcontaminantsthroughecosystems(7,8).Theproceduresdescribedinthisguidemaybeusedandadaptedforincorporationinbasicandappliedresearchtodeterminetheecologicaleffectsofcontaminatedsediments.Thesesamemethodsmayalsobeusedinthedevelopmentandimplementationofmonitoringandregulatoryprogramsdesignedtopreventandmanagesedimentcontamination.Sedimenttestswithaquaticorganismscanbeusedtoquantifytheacuteandchronictoxicityandthebioavailabilityofnewandpresentlyusedmaterials.Sedimenttoxicitymayalsoresultfromenvironmentalprocessessuchasammoniageneration,pHshifts,ordissolvedoxygenfluctuation.Inmanycases,considerationoftheadverseeffectsofsediment-associatedcontaminantsisonlyonepartofacompletehazardassessmentofmanufacturedcompoundsthatareapplieddirectlytotheenvironment(forexample,pesticides)andthosereleased(forexample,throughwastewatereffluents)asby-productsfromthemanufacturingprocessorfrommunicipalities(7).Sedimenttestscanbeusedtodevelopexposure-responserelationshipsforindividualtoxicantsbyspikingcleansedimentswithvaryingconcentrationsofatestchemicalanddeterminingtheconcentrationthatelicitsthetargetresponseinthetestorganism(GuideE1391).Sedimenttestscanalsobedesignedtodeterminetheeffectsthatthephysicalandchemicalpropertiesofsedimentshaveonthebioavailabilityandtoxicityofcompounds.Sedimenttestscanprovidevaluableinformationformakingdecisionsregardingthemanagementofcontaminatedsedimentsfromhazardouswastesitesandothercontaminatedareas.Biologicaltestswithsedimentscanalsobeusedtomakedefensiblemanagementdecisionsonthedredginganddisposalofpotentiallycontaminatedsedimentsfromriversandharbors.((7,8),TestMethodE1706.)1.1Asthecontaminationoffreshwaterandsaltwaterecosystemscontinuestobereducedthroughtheimplementationofregulationsgoverningbothpointandnon-pointsourcedischarges,thereisagrowingemphasisandconcernregardinghistoricalinputsandtheirinfluenceonwaterandsedimentquality.Manylocationsinurbanareasexhibitsignificantsedimentcontamination,whichposesacontinualandlong-termthreattothefunctionalconditionofbenthiccommunitiesandotherspeciesinhabitingtheseareas(1).Benthiccommunitiesareanimportantcomponentofmanyecosystemsandalterationsofthesecommunitiesmayaffectwater-columnandnonaquaticspecies.1.2Biologicaltestswithsedimentsareanefficientmeansforevaluatingsedimentcontaminationbecausetheyprovideinformationcomplementarytochemicalcharacterizationsandecologicalsurveys(2).Acutesedimenttoxicitytestscanbeusedasscreeningtoolsintheearlyphaseofanassessmenthierarchythatultimatelycouldincludechemicalmeasurementsorbioaccumulationandchronictoxicitytests.Sedimenttestshavebeenappliedinbothsaltwaterandfreshwaterenvironments
