UL 907 BULLETIN-2007 UL安全标准.壁炉附件
作者:标准资料网 时间:2024-05-09 16:31:44 浏览:9765
来源:标准资料网
【英文标准名称】:ULStandardforSafetyforFireplaceAccessories
【原文标准名称】:UL安全标准.壁炉附件
【标准号】:UL907BULLETIN-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007-09-17
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Thefollowingchangesinrequirementsarebeingproposed:1.Referencestooutsidedocuments.2.Miscellaneousrevisionsincluding:DeletionofScopeparagraphaddressingneworunusualconstructions,Undatedreferences,ChangeofreferencefromNFPA97toNFPA211,Removalof"natural"fromtheterm"naturalgray",CorrectiontothereferencetoMC96.1,Changesinwiresizedesignationterminology,ChangeofreferencefromUL486AtoUL486A-486B,andAdditionofreferencetoUL61058.
【中国标准分类号】:Q83
【国际标准分类号】:97_100_30
【页数】:
【正文语种】:英语
【英文标准名称】:Waterquality-Determinationofmercury
【原文标准名称】:水质.汞量的测定
【标准号】:BSEN1483-1997
【标准状态】:作废
【国别】:英国
【发布日期】:1997-10-15
【实施或试行日期】:1997-10-15
【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】:试验设备;水;质量;汞;准确度;实验室设备;含量测定;废水;微波器件;高压釜;超声波装置;地下水;数学计算;化学分析和试验;地表水;还原剂;定量分析;水质试验;干扰(化学);校正;抽样方法;精密度;原子吸收分光光度测定法
【英文主题词】:
【摘要】:Thisstandardspecifiestwomethodsforthedeterminationofmercury.Inthemethoddescribedinclause4,tin(Ⅱ)chlorideisusedasreducingagent.Inthemethodgiveninclause5,sodiumtetrahydroborateservesasreducingagent.Thechoiceofthemethoddependsontheequipmentavailableandthematrix(seeclause3).Bothmethodsaresuitableforthedeterminationofmercuryinwater,forexampleinground,surfaceandwastewaters,intheconcentrationrangefrom0,1μg/lto10μg/1.Higherconcentrationscanbedeterminedifthewatersampleisdiluted.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:16P;A4
【正文语种】:英语
【英文标准名称】:Electricalapparatusforpotentiallyexplosiveatmospheres-Pressurizedapparatus"p"
【原文标准名称】:防爆电器.加压设备"P"
【标准号】:BSEN50016-2002
【标准状态】:作废
【国别】:英国
【发布日期】:2002-08-07
【实施或试行日期】:2002-08-07
【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】:
【英文主题词】:
【摘要】:1ThisEuropeanStandardspecifiestherequirementsfortheconstructionandtestingofpressurizedandpurgedelectricalapparatusand"Ex"componentsformingpartofthepressurizedapparatus,withtypeofprotection'p',intendedforuseinpotentiallyexplosiveatmospheresofgasvapourandmist.2ThisEuropeanStandardsupplementsEN50014insofarasitappliestopressurizedandpurgedelectricalapparatuswithtypeofprotection'p'.3ThisEuropeanStandardisapplicabletoelectricalequipmentandcomponentsofGroupICategoryM2andofGroupIIGCategory2usingthetechniqueofpressurizeandpurge.NOTEInthisEuropeanStandard,theword"apparatus"hasthesamemeaningastheword"equipment"inDirective94/9/EC.4ThisEuropeanStandardincludestherequirementsfortheconstructionoftheenclosureanditsassociatedcomponents,including,ifany,theinletandoutletductsfortheprotectivegas,andforthesafetyprovisionsanddevicesnecessaryforthetypeofprotectionpressurization'p'.5ThisEuropeanStandardspecifiestherequirementsforpressurizedenclosureswithorwithoutaninternalsourceofrelease,withtheexceptionsgivenin1.7and1.8.6ThisEuropeanStandardspecifiesrequirementsforpressurizedenclosurescontaininganunlimitedsourceofreleaseofflammablegasorvapouronlywheretheunlimitedsourceofreleaseisfromthesurfaceofaliquid.7ThisEuropeanStandarddoesnotcontainrequirementsforpressurizedroomsoranalyserhouses(forwhichanotherstandardisinpreparation).8ThisEuropeanStandarddoesnotcontaintherequirementsforpressurizedenclosureswhere,inacontainmentsystemwithlimitedorunlimitedreleasethereis:a)airwithanoxygencontentgreaterthannormal,orb)oxygenincombinationwithinertgasinaproportiongreaterthan21%.9Duetothesafetyfactorsincorporatedinthetypeofprotectiontheuncertaintyofmeasurementinherentingoodquality,regularlycalibratedmeasurementequipmentisconsideredtohavenosignificantdetrimentaleffectandneednotbetakenintoaccountwhenmakingthemeasurementsnecessarytoverifycomplianceoftheapparatuswiththerequirementsofthisstandard.
【中国标准分类号】:K35
【国际标准分类号】:29_260_20
【页数】:34P;A4
【正文语种】:英语
