IEEE N42.44-2008 检查站房间式X射线成像安全系统的性能用美国国家标准

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【英文标准名称】:AmericanNationalStandardforthePerformanceofCheckpointCabinetX-RayImagingSecuritySystems
【原文标准名称】:检查站房间式X射线成像安全系统的性能用美国国家标准
【标准号】:IEEEN42.44-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008-11-04
【实施或试行日期】:
【发布单位】:美国电气电子工程师学会(US-IEEE)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Thisdocumentestablishesstandardsforthetechnicalperformanceofcabinetx-rayimagingsystemsusedforscreeningatsecuritycheckpointsandotherinspectionvenues.Includedareallx-raysystemsdesignedprimarilyfortheinspectionofbaggageatairline,railroad,andbusterminals,andinsimilarfacilities.Anxraytubeusedwithinashieldedpartofabuilding,orx-rayequipmentthatmaytemporarilyoroccasionallyincorporateportableshielding,isnotconsideredtobeacabinetx-raysystem.Hereinafter,systemscoveredbythescopeofthisstandardarereferredtoasthesystem.Thisstandardappliestox-rayimagingequipmentwithallofthefollowingcharacteristics:-Meetthedefinitionofcabinetx-raysystemsasgivenin21CFR1020.40-Operateatorabove120kV-Havetunnelnominaldimensionsofupto1.1m×1.1m-Provideasingle-viewdirect-projectionimageastheprimaryimage-Areusedtoexamineitemstodetectprohibitedandillicitmaterialsatsecurity-checkpointlocations(e.g.,airports,seaports,landbordercrossings,officebuildings,courthouses,correctionalinstitutions,nuclearpowerfacilities,militaryfacilities,commercialshippingandreceivingstations,stationsusedformanifestverification)Forfurtherclarification,systemsincludedinthisstandardcanbethosewithorwithoutorganic/inorganicdifferentiation,withorwithoutactiveorpassivethreatalerts,andthoseincorporatingmulti-viewandcomputed-tomography(CT)imaging(iftheprimaryimagepresentedisasingle-viewprojectionimage),iftheyhaveallofthecharacteristicsfoundinthelistabove.Thisstandardthereforeisnotintendedforx-rayimagingsystemswithanyofthefollowingcharacteristics:-Operateatpotentialsthatarelessthan120kV-Arenotcabinetsystems(e.g.,openbomb-squadsystems)-Donotpresentadirect-projectionimage-Canprovideaprojectionimageonlythroughimagereconstructionfrommultipleviews-ArebasedprimarilyontheuseofCT-Areusedformedicaldiagnosticimaging-Areusedfornon-destructiveevaluation(NDE)ornon-destructivetesting(NDT),industrialqualitycontrol(e.g.,foodinspection),industrialsortationofrecyclablesornaturalresourceextraction,systemsusedforscientificresearchpurposes-Arebasedonlyonbackscatteredorcoherentlyscatteredx-raysThisstandardspecifiesminimumrequirementsandtestproceduresforx-rayimagingperformance,radiation-limitationrequirements,andelectrical,mechanical,andenvironmentalrequirements.Thisstandardaddressestechnicalimage-qualityperformance,notthreat-detectionperformance.
【中国标准分类号】:F74
【国际标准分类号】:
【页数】:29P.;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodforMicroscopicalDeterminationoftheTexturalComponentsofMetallurgicalCoke
【原文标准名称】:冶金焦中结构组分显微测定的标准试验方法
【标准号】:ASTMD5061-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:焦炭;冶金;显微术;测试
【英文主题词】:Coke;Metallurgy;Microscopy;Testing
【摘要】:
【中国标准分类号】:H32
【国际标准分类号】:77_020
【页数】:5P;A4
【正文语种】:英语


【英文标准名称】:Distributionautomationusingdistributionlinecarriersystems-Generalconsiderations-Guideforspecification
【原文标准名称】:使用配电线路载波系统的自动配电.一般考虑.规范指南
【标准号】:BSIEC61334-1-2-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-04-15
【实施或试行日期】:1998-04-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:质量保证体系;自动控制系统;性能试验;通信网;数据传输;计划;误差检测;质量保证;性能;设计;误差修正;低电压;检验;记录品(文献);采购;分类系统;配电;遥控系统;调制解调器;常电压;配电线;电路
【英文主题词】:Automation;Communicationsystems;Distributionlines;Guidebooks;Informationprocessing;Overheadpowerlines;Remotecontroltechnology;Specification
【摘要】:Thistechnicalreportoftype3isintendedtoofferusefulinformationtodesignadistributionautomationsystem(DAS)usingdistributionlinecarrier(DLC)systemsforaspecificapplication.Forthesakeofclarity,theinformation,usefultodesignaDASusingDLCsystemsforaspecificapplication,hasbeensubdividedintothreemainsteps:-thefirststepconcernsthestrategicchoicesdeterminingthearchitectureoftheDAS(clause3);-thesecondstepdealswiththespecificationoftheapplicationprocessesandtherelatedoperationalparameters(clause4);-thethirdstepreferstothefacilitiesthatbothprocessingandtransmissionequipmenthavetoprovideinordertocopewiththeapplicationneeds(clause5).Clause6isdedicatedtoageneralvaluationofdifferentcouplingmethods.Clause7isinsteaddedicatedtothequalityassuranceproceduresinordertomeettheapplicationneedsincludedinaDLCsystem.Moreover,thistechnicalreportcontainstwoannexes:-annexAcontainingthecomparisonandevaluationoftwodifferentmodulationtechniques(narrow-bandFSKmodulationandwide-bandmodulation);-annexBcontainingthegeneraloutlineofaqualityplan.
【中国标准分类号】:M11
【国际标准分类号】:33_040_60
【页数】:34P.;A4
【正文语种】:英语