ASTM D 3234-1988 石油蜡涂层耐磨性的标准试验方法

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【英文标准名称】:Waterquality-GuidancestandardforthesamplingofzooplanktonfromstandingwatersEnglishversionofDINEN15110:2006-08
【原文标准名称】:水质.静水中浮游动物的抽样标准指南
【标准号】:DINEN15110-2006
【标准状态】:现行
【国别】:德国
【发布日期】:2006-08
【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】:
【英文主题词】:
【摘要】:Thisguidancestandardwilldescribethegeneralproceduresforsurveyingzooplanktoninstandingwatersforthepurposesofwaterqualityassessmentanddeterminationofecologicalstatus.Itwillincludepreservationandstorageaspectsandprovideawhole-lakeestimateforspeciesoccurrence,abundance/biomass(relativeorabsolute)andproductionofzooplankton,includingspatialdistributionandtemporaltrends.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_45
【页数】:26P.;A4
【正文语种】:英语


【英文标准名称】:Railwayapplications-Electromagneticcompatibility-Part3-2:Rollingstock-Apparatus
【原文标准名称】:铁路设施.电磁兼容性.机车车辆.仪表
【标准号】:BSEN50121-3-2-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-08-31
【实施或试行日期】:2006-08-31
【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】:定义;电气设备;电气工程;电气设施;电子仪器;电子驱动装置;电磁兼容性;排放;仪器;干扰抑制;干扰辐射;极限(数学);无线电干扰;铁路设施;铁路工程;铁路固定设备;铁道车辆;铁路;铁路车辆;规范(验收);车辆设备
【英文主题词】:Definition;Definitions;Electricalappliances;Electricalengineering;Electricalequipment;Electromagneticcompatibility;Electronicinstruments;Electronically-operateddevices;EMC;Emission;Instruments;Interferencerejections;Interferingemissions;Limits(mathematics);Radiodisturbances;Radiointerferences;Railwayapplications;Railwayengineering;Railwayfixedequipment;Railwayvehicles;Railways;Rollingstocks;Specification(approval);Vehicleequipment
【摘要】:ThisEuropeanStandardappliestoemissionandimmunityaspectsofEMCforelectricalandelectronicapparatusintendedforuseonrailwayrollingstock.EN50121-3-2appliesfortheintegrationofapparatusonrollingstock.Thefrequencyrangeconsideredisfromd.c.to400GHz.Nomeasurementsneedtobeperformedatfrequencieswherenorequirementisspecified.Theapplicationoftestsshalldependontheparticularapparatus,itsconfiguration,itsports,itstechnologyanditsoperatingconditions.Thisstandardtakesintoaccounttheinternalenvironmentoftherailwayrollingstockandtheexternalenvironmentoftherailway,andinterferencetotheapparatusfromequipmentsuchashand-heldradiotransmitters.Ifaportisintendedtotransmitorreceiveforthepurposeofradiocommunication(intentionalradiators,e.g.transpondersystems),thentheemissionandimmunitylimitsinthisstandardatthecommunicationfrequencydonotapply.Thisstandarddoesnotapplytotransientemissionswhenstartingorstoppingtheapparatus.Theobjectiveofthisstandardistodefinelimitsandtestmethodsforelectromagneticemissionsandimmunitytestrequirementsinrelationtoconductedandradiateddisturbances.Theselimitsandtestsrepresentessentialelectromagneticcompatibilityrequirements.Emissionrequirementshavebeenselectedsoastoensurethatdisturbancesgeneratedbytheapparatusoperatednormallyonrailwayrollingstockdonotexceedalevelwhichcouldpreventotherapparatusfromoperatingasintended.Likewise,theimmunityrequirementshavebeenselectedsoastoensureanadequatelevelofimmunityforrollingstockapparatus.Thelevelsdonothowevercoverextremecaseswhichmayoccurwithanextremelylowprobabilityofoccurrenceinanylocation.Specificrequirementswhichdeviatefromthisstandardshallbespecified.Testrequirementsarespecifiedforeachportconsidered.ThesespecificprovisionsaretobeusedinconjunctionwiththegeneralprovisionsinEN50121-1.
【中国标准分类号】:S04;L06
【国际标准分类号】:33_100_01;45_060_01;29_280
【页数】:24P.;A4
【正文语种】:英语