您的位置: 标准下载 » 协会标准 » IEC 国际电工委员会 »

IEC 61753-087-2-2010 光纤互连器件和无源元件.性能标准.第087-2部分:C类非连接器单模双向1310nm上游和下游WWDM设备.受控环境

作者:标准资料网 时间:2024-05-21 13:55:46  浏览:9721   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Fibreopticinterconnectingdevicesandpassivecomponents-Performancestandard-Part087-2:Non-connectorisedsingle-modebidirectional1310nmupstreamand1490nmdownstreamWWDMdevicesforcategoryC-Controlledenvironment
【原文标准名称】:光纤互连器件和无源元件.性能标准.第087-2部分:C类非连接器单模双向1310nm上游和下游WWDM设备.受控环境
【标准号】:IEC61753-087-2-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-12
【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/SC86B
【标准类型】:()
【标准水平】:()
【中文主题词】:分支;电缆;组件;连接工艺;直径;尺寸规格;电插头;电气工程;电子设备及元件;环境条件;周围条件;紧固件;光纤;玻璃纤维电缆;内径;测量;测量技术;单模纤维;光波导;外径;无源的;性能;工作性能;开关;试验
【英文主题词】:Branching;Cables;Components;Connectiontechnology;Diameter;Dimensions;Electricplugs;Electricalengineering;Electronicequipmentandcomponents;Environmentalcondition;Environmentalconditions;Fasteners;Fibreoptics;Glassfibrecables;Insidediameters;Measurement;Measuringtechniques;Monomodefibres;Opticalwaveguides;Outsidediameters;Passive;Performance;Performanceinservice;Switches;Testing
【摘要】:
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:26P;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardGuideforEstimatingWildlifeExposureUsingMeasuresofHabitatQuality
【原文标准名称】:评估野生动物生长环境质量的标准指南
【标准号】:ASTME2385-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:E47.02
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:质量;生长环境;野生动物;估计;曝光
【英文主题词】:exposureassessment;habitatquality;habitatqualityindices;landscapeecology
【摘要】:ExplicitconsiderationoflandscapefeaturestocharacterizethequalityofhabitatforassessmentspeciescanenhancetheecologicalrelevanceofanEcoRA.Thiscanhelpavoidassessingexposureinareasinwhichawildlifespecieswouldbeabsentbecauseofalackofhabitatortoboundexposureestimatesinareaswithlowhabitatquality.ThemeasureofhabitatqualityisusedinplaceofthecommonlyusedAreaUseFactor(AUF).Greaterecologicalrealismandmoreinformedmanagementdecisionscanberealizedthroughbetteruseoflandscapefeaturestocharacterizesites.1.1EcologicalRiskAssessments(EcoRAs)typicallyfocusonvaluedwildlifepopulations.RegulatoryauthorityforconductingEcoRAsderivesfromvariousfederallaws[forexample,ComprehensiveEnvironmentalResponse,CompensationandLiabilityAct1981,(CERCLA),ResourceConservationRecoveryAct(RCRA),andFederalInsecticide,Fungicide,andRodenticideAct,(FIFRA)].CertainproceduresforconductingEcoRAs()havebeenstandardized[E1689-95(2003)StandardGuideforDevelopingConceptualSiteModelsforContaminatedSites;E1848-96(2003)StandardGuideforSelectingandUsingEcologicalEndpointsforContaminatedSites;E2020-99aStandardGuideforDataandInformationOptionsforConductinganEcologicalRiskAssessmentatContaminatedSites;E2205-02StandardGuideforRisk-BasedCorrectiveActionforProtectionofEcologicalresources;E1739-95(2002)StandardGuideforRisk-BasedCorrectiveActionAppliedatPetroleumReleaseSites].Specializedcasesforreportingdatahavealsobeenstandardized[E1849-96(2002)StandardGuideforFishandWildlifeIncidentMonitoringandReporting]ashavesamplingprocedurestocharacterizevegetation[E1923-97(2003)StandardGuideforSamplingTerrestrialandWetlandsVegetation].1.2Moststateshaveenactedlawsmodeledafterthefederalactsandfollowsimilarprocedures.Typically,estimatesoflikelyexposurelevelstoconstituentsofpotentialconcern(CoPC)arecomparedtotoxicitybenchmarkvaluesorconcentration-responseprofilestoestablishthemagnitudeofriskposedbytheCoPCandtoinformriskmanagersconsideringpotentialmitigation/remediationoptions.ThelikelihoodofexposureisinfluencedgreatlybytheforagingbehaviorandresidencetimeoftheanimalsofinterestintheareascontainingsignificantconcentrationsoftheCoPC.Foragingbehaviorandresidencetimeoftheanimalsarerelatedtolandscapefeatures(vegetationandphysiognomy)thatcomprisesuitablehabitatforthespecies.ThisguidepresentsaframeworkforincorporatinghabitatqualityintothecalculationofexposurelevelsforuseinEcoRAs.1.3ThisguideisintendedonlyasaframeworkforusingmeasuresofhabitatqualityinspeciesspecifichabitatsuitabilitymodelstoassistwiththecalculationofexposurelevelsinEcoRA.InformationfrompublishedHabitatSuitabilityIndex(HSI)modelsisusedinthisguide.TheusershouldbecomefamiliarwiththestrengthsandlimitationsofanyparticularHSImodelusedinordertocharacterizeuncertaintyintheexposureassessment().Forspeciesthatdonothavepublishedhabitatsuitabilitymodels,theusermayelecttodevelopbroadcategoricaldescriptionsofhabitatqualityforuseinestimatingexposure.
【中国标准分类号】:Z04
【国际标准分类号】:11_220
【页数】:10P.;A4
【正文语种】:


【英文标准名称】:Animalhealthanalysismethods-Isolationandidentificationofanysalmonellaserotypeorofspecifiedsalmonellaserotypesamongbirds.
【原文标准名称】:动物健康分析方法.鸟类中任何或指定的血清型沙门氏菌的隔绝和识别
【标准号】:NFU47-101-2005
【标准状态】:作废
【国别】:法国
【发布日期】:2005-02-01
【实施或试行日期】:2005-02-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:B41
【国际标准分类号】:11_220;65_020_30
【页数】:34P;A4
【正文语种】:其他