BS EN 50381-2005 配备或不配备室内排气装置的可移动的通风房间

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【英文标准名称】:Transportableventilatedroomswithorwithoutaninternalsourceofrelease
【原文标准名称】:配备或不配备室内排气装置的可移动的通风房间
【标准号】:BSEN50381-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-01-07
【实施或试行日期】:2005-01-07
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:电气设备;试验;电气安全;电驱动装置;建筑物服务设施;设备;空调系统;规范(验收);防爆;安全装置;设计;可燃性环境;电气工程;通风;防护等级;定义;分离;防电击;保护形式;安全措施;安全准备;作标记;温度致适;房屋;气体检测器;便携的
【英文主题词】:
【摘要】:ThisEuropeanStandardcontainsthespecificrequirementsfortheconstructionandtestingoftransportableventilatedrooms(TVR's),suchasskidmountedanalyserhouseswithtypeofprotection'v'intendedforuseinpotentiallyexplosiveatmospheres.Transportableinthissensemeansmanufacturedinonelocation(themanufacturer'spremises)fortradeandtransportationtoanotherlocation(theuser'spremises)forinstallationanduse.ThisEuropeanStandardsupplementsEuropeanStandardEN50014orwhereappropriateEN50021,therequirementsofwhichapplytoelectricalapparatuswithtypeofprotection'v'exceptasmodifiedwithinthisstandard.ThisstandarddoesnotcontaintherequirementsforequipmentgroupII,category1orequipmentgroupI,categoryM1.ThisstandarddoesnotcontaintherequirementsforequipmentgroupI,categoryM2wherethereexistsapotentialsourceofrelease.ThisstandarddoesnotcontaintherequirementsforgroupIIwherethereexistsapotentialhazardfromcombustibledusts.NOTEItisnottheintentionofthisEuropeanStandardtocoverstationaryanalyzerhousesaccordingtoEN61285.ThisEuropeanStandardincludestherequirementsfortheconstructionoftheTVRanditsassociatedcomponentsincluding,theinletandoutletaperturesfortheventilationgassupplyandforthesafetyprovisionsanddevicesnecessaryforthetypeofprotection'v'.ThisEuropeanStandardspecifiestherequirementsforTVR'swithorwithoutaninternalsourceofreleaseofpotentiallyflammableortoxic,gas,liquidorvapour(forexampleanalyzersplacedwithintheTVR).Duetothesafetyfactorsincorporatedinthetypeofprotection,theuncertaintyofmeasurementinherentingoodquality,regularlycalibratedmeasurementequipmentisconsideredtohavenosignificantdetrimentaleffectandneednotbetakenintoaccountwhenmakingthemeasurementsnecessarytoverifycomplianceoftheapparatuswiththerequirementsofthisstandard.
【中国标准分类号】:P48
【国际标准分类号】:29_260_20
【页数】:44P;A4
【正文语种】:英语


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基本信息
标准名称:旋转涂漆器技术条件
中标分类: 化工 >> 化工机械与设备 >> 化工机械
ICS分类: 化工技术 >> 化工设备
发布日期:1991-08-19
实施日期:1992-01-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
页数:3页
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所属分类: 化工 化工机械与设备 化工机械 化工技术 化工设备
【英文标准名称】:StandardTestMethodsforSpecificGravityofWoodandWood-BasedMaterials
【原文标准名称】:木材和木基材料比重的标准试验方法
【标准号】:ASTMD2395-2007ae1
【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(US-ASTM)
【起草单位】:D07.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:specificgravity;wood;wood-basedmaterial;Chips;Flotationtube;Forstnerbit;Immersion;Incrementcoremethod;Mercuryimmersion;Specificgravity--woodproducts;Volumetricmeasurement;Woodproducts
【摘要】:Thespecificgravityofwoodgivesanexcellentmeasureoftheamountofwoodsubstancepresentinasample.Thus,itmayserveasavaluableindicatoroftheamountofwoodpulpthatcouldbeproduced,theworkabilityofthematerial,orthestrengthcharacteristicsofaspecimenoraspecies.Itshouldberecognizedthatspecificgravityvariesbetweentrees,withinatree,andbetweenspecies.Sincethespecificgravityofwoodsubstanceispracticallyconstantforallspecies(approximately1.53),itisapparentthatindividualspecificgravityvaluesareindicativeoftheamountofwoodsubstancepresent.Itaffordsarapidandvaluablemethodforselectionofwoodforspecificuses.Itmaybedesirabletoknowthespecificgravityofalivingtree,astructuralmemberalreadyinplace,alogcrosssection,asegmentofaresearchelement,ortheearlywoodorlatewoodlayer.Thespecimenthusmaybelargeorsmall,regularorirregular,andatavarietyofmoisturecontents.Thesetestmethodsgiveproceduresthatincludeallofthesevariablesandprovidesforcalculationofspecificgravityvaluestodegreesofaccuracygenerallyneeded.1.1Thesetestmethodscoverthedeterminationofthespecificgravityofwoodandwood-basedmaterialstogenerallydesireddegreesofaccuracyandforspecimensofdifferentsizes,shapes,andmoisturecontentconditions.Themethodtitleisindicativeoftheproceduresusedorthespecificareaofuse.
Section
TestMethodAx2014;VolumebyMeasurement
7
TestMethodBx2014;VolumebyWaterImmersion
8
TestMethodCx2014;FlotationTube
9
TestMethodDx2014;ForstnerBit
10
TestMethodEx2014;IncrementCore
11
TestMethodFx2014;Chips
12