DIN EN 60789-2008 医用电气设备.放射性核素成象装置的特性和试验条件.安格型γ射线照相机
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【英文标准名称】:Medicalelectricalequipment-Characteristicsandtestconditionsofradionuclideimagingdevices-Angertypegammacameras(IEC60789:2005);GermanversionEN60789:2005
【原文标准名称】:医用电气设备.放射性核素成象装置的特性和试验条件.安格型γ射线照相机
【标准号】:DINEN60789-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-06
【实施或试行日期】:
【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】:照相机;特性;准直仪;定义;显示装置;电医学;γ射线照相机;γ图象;γ线;γ射线探测器;图象质量;成象;测量;测量技术;医用电子学;核医学;图象录制;性能;辐射探测器;辐射学;放射器具(医学);放射性核素实验室;放射性核素;单晶;术语;测试;测试条件
【英文主题词】:Cameras;Characteristics;Collimators;Definition;Definitions;Displayunits;Electromedicine;Gammacameras;Gammagraphs;Gamma-ray;Gamma-raydetectors;Imagequality;Imaging;Measurement;Measuringtechniques;Medicalelectronics;Nuclearmedicine;Picturerecording;Properties;Radiationdetectors;Radiology;Radiologyapparatus(medical);Radionuclidelaboratories;Radionuclides;Singlecrystal;Terminology;Testing;Testingconditions
【摘要】:
【中国标准分类号】:C43
【国际标准分类号】:11_040_50
【页数】:31P.;A4
【正文语种】:德语
【英文标准名称】:Guidetoelectromagneticenvironmentforlow-frequencyconducteddisturbancesandsignallinginpublicpowersupplysystems
【原文标准名称】:低频导线分布和公共供电系统中的信号的电磁环境指南
【标准号】:BS7484-1991
【标准状态】:现行
【国别】:英国
【发布日期】:1991-10-31
【实施或试行日期】:1991-10-31
【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】:电磁辐射;电磁兼容性;分类系统;电力系统;信号传输;电压波动;可混用性;调幅;兼容性;电负载;低频;电网;射频;电路;变频机;乱真信号;电力系统干扰;谐波
【英文主题词】:Compatibility;Definition;Definitions;Electricpowernetworks;Electricpowersystems;Electricalengineering;Electricalfaults;Electromagnetic;Electromagneticcompatibility;Electromagneticfields;Electromagnetism;EMC;Environmentalconditions;Influencequantities;Interferencerejections;Interferences;Limits(mathematics);Lowfrequencies;Low-frequencyengineering;Magneticfieldeffects;Magnetoelectriceffects;Measurement;Signaltransmission
【摘要】:ThissectionofIEC1000-2isconcernedwithconducteddisturbancesinthefrequencyrangeupto10kHzwithanextensionformainssignallingsystems.Separatesectionsgivenumericalcompatibilitylevelsfordifferentsystemvoltagelevels.Thissectiondoesnotdealwiththeapplicationofcompatibilitylevelstoassess,forexample,thepermissibleinterferenceemissionfromspecificitemsofequipmentorinstallations,becauseothersystemparameters,suchasitsimpedanceasafunctionoffrequency,havealsotobeconsidered.Furthermore,itdoesnotprejudgethespecificationofimmunitylevelsbytheproductcommitteesbutmerelyprovidesaguide.Thedisturbancephenomenaconsideredare:-harmonics;-inter-harmonics;-voltagefluctuations;-voltagedipsandshortsupplyinterruptions;-voltageunbalance;-mainssignalling;-powerfrequencyvariation;-d.c.components.Theobjectofthissectionistogiveinformationonthevarioustypesofdisturbancesthatcanbeexpectedonpublicpowersupplysystems.Itisareferencedocumentforthoseassociatedpartsthatgivevaluesofcompatibilitylevel.
【中国标准分类号】:F20
【国际标准分类号】:33_100_20
【页数】:32P.;A4
【正文语种】:英语
【英文标准名称】:StandardforSafetyforPressure-RegulatingValvesforLPGas
【原文标准名称】:液化石油气压力调节阀的安全标准
【标准号】:ANSI/UL144-2001
【标准状态】:作废
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:压力阀;压力调节器;气体
【英文主题词】:Gases;Petroleumgas;Pressureregulators;Pressurevalves;Regulatingvalves;Valves
【摘要】:CoverspressureregulatorsforusewithLP-Gasequipment.Regulatorscoveredbytheserequirementsareintendedforuseinnon-refrigeratedsystemsinaccordancewiththefollowingstandards:a)LiquefiedPetroleumGasCode,(NationalFireCodes,Vol.2)NFPA58;b)NationalFuelGasCode(IAS/A.G.A.Z223.1),NFPA54;c)OutdoorCookingGasAppliances,IAS/A.G.A.Z21.58;andd)StandardonRecreationalVehicles(RVIAA119.2)(NationalFireCodes,Vol.7),NFPA501C.Theserequirementsdonotcover:a)Compressedgasregulators;b)Gasappliancepressureregulators;c)Regulatorsforuseinchemical,petroleum,orutilitypowerplants;pipelineormarineterminals;orrelatedstoragefacilitiesatsuchplantsorterminals;d)Combinationgascontrolvalvesforgasappliances;e)Regulatorsforuseinoxygen-fuel,gas-welding,andcuttingoperations;andf)Regulatorsforuseinenginefuel(automotiveand/ormarine)applications.Therequirementsfor(a)-(e)arecoveredintheStandardforCompressedGasRegulators,UL252,andintheStandardforGasAppliancePressureRegulators,IAS/A.G.A.Z21.18,andintheStandardforCombinationGasControlsforGasAppliances,IAS/A.G.A.Z21.78,respectively.Theassigningofflowratingstoregulatorsisnotwithinthescopeoftheserequirements,andobservationso
【中国标准分类号】:E98
【国际标准分类号】:23_060_40
【页数】:
【正文语种】:英语