YD/T 1918-2009 ISDN信令与IP互通用户适配层(IUA)测试方法

作者:标准资料网 时间:2024-05-15 17:04:10   浏览:8937   来源:标准资料网
下载地址: 点击此处下载
基本信息
标准名称:ISDN信令与IP互通用户适配层(IUA)测试方法
英文名称:Test Methods for the Adaptation Layer of ISDN Signalling Interworking with IP
中标分类: 通信、广播 >> 通信网 >> 通信网编号、信号、连接
ICS分类: 电信、音频和视频技术 >> 电信系统 >> 交换和信令系统
发布部门:工业和信息化部
发布日期:2009-06-15
实施日期:2009-09-01
首发日期:
作废日期:
主管部门:中国通信标准化协会
提出单位:中国通信标准化协会
归口单位:中国通信标准化协会
起草单位:工业和信息化部电信研究院
起草人:段世惠
出版社:北京邮电大学出版社
出版日期:2009-09-01
适用范围

本标准规定了ISDN信令于IP互通用户适配层(IUA)协议的测试方法,包括SG侧协议与ASP侧协议测试。
本标准适用于支持IUA协议的信令网关、媒体网关和软交换设备。

前言

没有内容

目录

没有内容

引用标准

没有内容

所属分类: 通信 广播 通信网 通信网编号 信号 连接 电信 音频和视频技术 电信系统 交换和信令系统
下载地址: 点击此处下载
【英文标准名称】:StandardSpecificationforCommercialDishwashingMachines,Multiple-Tank,ContinuousOval-ConveyorType,HeatSanitizing
【原文标准名称】:商用多罐椭圆形连续输送型加热消毒洗碗机的标准规范
【标准号】:ASTMF1237-2004
【标准状态】:现行
【国别】:美国
【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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:椭圆形;多罐系统;洗碗机
【英文主题词】:dishwashingmachines;ellipticalshape;multipletanksystems
【摘要】:
【中国标准分类号】:Y62
【国际标准分类号】:97_040_40
【页数】:6P;A4
【正文语种】:英语


【英文标准名称】:StandardGuideforAssessingtheEnvironmentalandHumanHealthImpactsofNewEnergeticCompounds
【原文标准名称】:评估新型含能化合物对环境和人类健康影响的标准指南
【标准号】:ASTME2552-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:
【英文主题词】:effects;energetics;environment;fate;health;lifecycle
【摘要】:Thepurposeofthisguideistoprovidealogical,tieredapproachinthedevelopmentofenvironmentalhealthcriteriacoincidentwithlevelandeffortintheresearch,development,testing,andevaluationofnewenergeticmaterials.Variouslevelsofuncertaintyareassociatedwithdatacollectedfrompreviousstages.Followingtherecommendationintheguideshouldreducetherelativeuncertaintyofthedatacollectedateachdevelopmentalstage.Ateachstage,ageneralweightofevidencequalifiershallaccompanyeachexposure/effectrelationship.Theymaybesimple(forexample,low,medium,orhighconfidence)orsophisticatedusinganumericalvalueforeachpredictorasamultipliertoascertainrelativeconfidenceineachstepofriskcharacterization.Thespecificmethodusedwilldependonthestageofdevelopment,quantityandavailabilityofdata,variationinthemeasurement,andgeneralknowledgeofthedataset.Sincespecificformulations,conditions,andusescenariosareoftennotknownuntilthelaterstages,exposureestimatescanbedeterminedonlyatadvancedstages(forexample,EngineeringandManufacturingDevelopment;see6.6).Exposuredatacanthenbeusedwithothertoxicologicaldatacollectedfrompreviousstagesinaquantitativeriskassessmenttodeterminetherelativedegreeofhazard.Datadevelopedfromtheuseofthisguidearedesignedtobeconsistentwithcriteriarequiredinweaponsandweaponssystemdevelopment(forexample,programmaticenvironment,safetyandoccupationalhealthevaluations,environmentalassessments/environmentalimpactstatements,toxicityclearances,andtechnicaldatasheets).Informationshallbeevaluatedinaflexiblemannerconsistentwiththeneedsoftheauthorizingprogram.Thisrequirespropercharacterizationofthecurrentproblem.Forexample,compoundsmayberankedrelativetotheenvironmentalcriteriaoftheprospectivealternatives,thereplacementcompound,andwithinboundsofabsoluteenvironmentalvalues.Aweightofevidence(evaluationofuncertaintyandvariability)mustalsobeconsideredwitheachcriterionateachstagetoallowforaproperassessmentofthepotentialforadverseenvironmentaloroccupationaleffects;see6.8.Thisstandardapproachrequiresenvironment,safety,andoccupationalhealth(ESOH)technicalexpertstodeterminetheriskandenergeticmaterialsresearcherstoevaluatetheacceptabilityoftherisk.Generally,thehigherdevelopmentalstagesrequireahighermanageriallevelofapproval.1.1Thisguideisintendedtodeterminetherelativeenvironmentalinfluenceofnewmunitionconstituents,consistentwiththeresearchanddevelopment(Rx0026;D)levelofeffortandisintendedtobeappliedinalogical,tieredmannerthatparallelsboththeavailablefundingandthestageofresearch,development,testing,andevaluation.Specifically,conservativeassumptions,relationships,andmodelsarerecommendedearlyintheresearchstage,andasthemunitiontechnologyismatured,empiricaldatawillbedevelopedandused.Munitionconstituentsmayincludefuels,oxidizers,explosives,binders,stabilizers,metals,dyes,andothercompoundsusedintheformulationtoproduceadesiredeffect.Munitionsystemsrangefromprojectiles,grenades,rockets/missiles,trainingsimulators,smokesandobscurants.Giventhecomplexityofissuesinvolvedintheassessmentofenvironmentalfateandeffectsandthediversityofthemunitionsystemsused,thisguideisbroadinscopeandnotintendedtoaddresseveryfactorthatmaybeimportantinanenvironmentalcontext.Rather,itisintendedtoreduceuncertaintyatminimalcostbyconsideringthemostimportantfactorsrelatedtotheenvironmentalimpactsofenergeticmaterials.Thisguideprovidesamethodforcollectingdatausefulinarelativerankingproceduretoprovidethemuniti......
【中国标准分类号】:Z05
【国际标准分类号】:95_020
【页数】:8P.;A4
【正文语种】:英语