【英文标准名称】:Determinationofabsolutedensity,drydensity,compactnessandporosityofnaturalstoneandmineralaggregates
【原文标准名称】:天然石岩石粒度检验.测定密度.粗密度.细密度.密实度和总松度.天然石.检验
【标准号】:DIN52102-1988
【标准状态】:作废
【国别】:德国
【发布日期】:1988-08
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:数学计算;定义;干密度;粒度分选;试验设备;试验;材料;孔隙率;岩石;密度测量;石;天然石料;建筑;粒状材料;密度;施工材料
【英文主题词】:Construction;Constructionmaterials;Definition;Definitions;Density;Densitymeasurement;Drydensity;Grainsizing;Materials;Mathematicalcalculations;Naturalstones;Particulatematerials;Porosity;Rocks;
【摘要】:
【中国标准分类号】:D50
【国际标准分类号】:91_100_15
【页数】:10P;A4
【正文语种】:德语


【英文标准名称】:Electromagneticcompatibility(EMC).Productfamilystandardforaftermarketelectronicequipmentinvehicles
【原文标准名称】:电磁兼容性(EMC).车辆用电子配件设备的产品系列标准
【标准号】:BSEN50498-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-08-31
【实施或试行日期】:2010-08-31
【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】:机动车工程;粘度;管连接件;管道;定义;耐久性;定义(术语);电气工程;电气设备;电磁的;电磁兼容性;电磁装置;电磁学;电子的;电子设备;电磁兼容性;EMC;电磁兼容性(EMC);设备;装备;频率传输;影响量;装置;安装;干扰抑制;抗干扰度;干扰辐射;极限(数学);测量;测量技术;道路车辆;试验;测试;痕量元素分析;测试要求;试验要求;车辆;运载工具
【英文主题词】:Automotiveengineering;Definitions;Electricalengineering;Electricalequipment;Electromagnetic;Electromagneticcompatibility;Electromagneticdevices;Electromagnetism;Electronic;Electronicequipment;EMC;Equipment;Frequencytransfer;Influencequantities;Installations;Interferencerejections;Interferingemissions;Limits(mathematics);Measurement;Measuringtechniques;Roadvehicles;Testing;Testingrequirements;Vehicles
【摘要】:ThisEuropeanStandardspecifieslimitsandmethodsofmeasurementfordisturbanceemissionsandimmunitycharacteristicsofaftermarketequipment(ESAs)whicharereferencedbyAutomotiveEMCDirective2004/104/EC,AnnexI,3.2.9,andwhicharenotrelatedtoimmunity-relatedfunctionsofvehiclesasdefinedinAutomotiveEMCDirective2004/104/EC,AnnexI,2.1.12.Anyequipment(orpartofanESA)whichhasaprimaryfunctionofradiotransmissionand/orreceptionaccordingtotheITURadioRegulationsareexcludedfromthescopeofthispublication.ThisEuropeanStandardcoversthefrequencyrange9kHzto400GHz.Todate,itspecifieslimitsandmethodsofmeasurementforconductedandradiateddisturbancesfromESAsinthefrequencyrange30MHzto1GHzandimmunityrequirementsforconductedtransients.TheassessmentofanESAneedstobeperformedonlyinthefrequencyrangeswherelimitsaredefined.TheemissionrequirementshavebeenselectedsoastoensurethatdisturbancesgeneratedbyESAsoperatingnormallydonotexceedalevelthatcouldpreventthevehicleorapparatusexternaltothevehiclefromoperatingasintended.Faultconditionsarenottakenintoaccount.Notalldisturbancephenomenahavebeenincludedfortestingpurposesinthisstandardbutonlythoseconsideredasrelevantfortheequipmentcoveredbythisstandard.AsESAscoveredbythisstandardarenotrelatedtoimmunity-relatedfunction,onlythefollowingelectromagneticdisturbancephenomenaareevaluated:?broadbandandnarrowbandradiatedelectromagneticdisturbances;?conductedtransientdisturbances;?conductedtransientimmunity.Accessoriesthatarenotconnecteddirectlytothevehicleharness,butonlyviaaspecialinterfacearenormallyexcludedfromvehicularEMCrequirements.
【中国标准分类号】:L06;T36
【国际标准分类号】:33_100_01;43_040_10
【页数】:14P.;A4
【正文语种】:英语