NF E86-031-2006 合金钢或非合金钢立式锅炉设备.支脚

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【英文标准名称】:Petroleumproductsandcrudepetroleum-Determinationofvapourpressure-Reidmethod
【原文标准名称】:石油产品和原油蒸气压的测定雷德法
【标准号】:ISO3007-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-10
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC28
【标准类型】:()
【标准水平】:()
【中文主题词】:物理试验;试验;试验;石油产品;定义;瑞德法;蒸气压力;测定
【英文主题词】:Definitions;Determination;Petroleumproducts;Physicaltesting;Reid;Testing;Tests;Vapourpressure
【摘要】:ThisInternationalStandardspecifiesamethodforthedeterminationofthevapourpressureofliquidpetroleumproductsconsistingofessentiallyorwhollyofhydrocarboncomponents,orcontainingoxygenatedhydrocarbonsofspecifictypesandatspecifiedmaximumconcentrations.Themethoddoesnotapplyoutsidetheseconcentrationlevels,nortoanyblendscontainingmethanolorotheroxygenatedhydrocarbonsnotcoveredinnote1.NOTE1Themaximumconcentrationofetherscontaining5ormorecarbonatomsis15%(V/V),andforethanolis10%(V/V).Forhigheralcohols,themaximumconcentrationis7%(V/V).NOTE2ForthepurposesofthisInternationalStandard,theterm"%(V/V)"isusedtorepresentthevolumefractionofamaterial.Forpetroleumproductscontainingmethanol,orotheroxygenatedhydrocarbonsoutsidethescopeofnote1,adryvapour-pressuretestmethodshouldbeused.Forliquefiedpetroleumgases,ISO4256shouldbeused.Thetestmethodmaybeappliedtovolatilecrudepetroleumwithavapourpressureexceeding10kPa,althoughtheprecisionhasnotbeenevaluated.FourproceduresaredescribedinthisInternationalStandard.ProceduresAandBarealternativeapparatusconfigurationsforproductswithaReidvapourpressureupto180kPa,ProcedureCisappliedtoliquidproductswithaReidvapourpressureabove180kPa,andProcedureDappliestoaviationgasolineswithaReidvapourpressureofapproximately50kPa.Vapourpressureisanimportantphysicalpropertyofvolatileliquids,andhascriticalperformanceimplicationsforautomotiveandaviationgasolines.Vapourpressureisalsooneofthepropertiesaffectingatmosphericevaporation,andisthereforeincreasinglyusedinregulationsrelatingtoemissionsandairqualitycontrol.Vapourpressureisalsoacriticalpropertylimitingtheperformanceandsafetyofoperationofequipmentduringtransferoperations.NOTEBecausetheexternalatmosphericpressureiscounteractedbytheatmosphericpressureinitiallyinthevapourchamber,theReidvapourpressureisapproximatelythe"absolute"vapourpressureat37,8℃.TheReidvapourpressurediffersfromthetruevapourpressureofthesampleowingtoslightvaporizationofthesampleandthepressureofwatervapourandairintheconfinedspace.
【中国标准分类号】:E30
【国际标准分类号】:75_040;75_080
【页数】:17P;A4
【正文语种】:英语


【英文标准名称】:Extendedapplicationreportsonthefireperformanceofconstructionproductsandbuildingelements
【原文标准名称】:在审议中的建筑产品和建筑构件性能扩展应用报告
【标准号】:BSEN15725-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-09-30
【实施或试行日期】:2010-09-30
【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】:应用规程;组件;建筑;施工材料;建筑系统构件;装配产品;定义(术语);耐火性;燃烧试验;性能;报告;屋顶覆盖物;屋顶;范围;火焰表面传播;试验报告;测试;型式
【英文主题词】:Applicationprocedures;Components;Construction;Constructionmaterials;Constructionsystemsparts;Constructionalproducts;Definitions;Fireresistance;Firetests;Performance;Reports;Roofcoverings;Roofs;Scope;Surfacespreadofflame;Testreports;Testing;Types
【摘要】:ThisEuropeanStandardgivestheproceduresforpreparingreportsontheextendedapplicationprocessusingtheresultsofreactiontofiretests,fireresistancetestsandexternalfireexposuretorooftestsundertakenforfireclassificationofproductsandproductfamiliesinaccordancewiththevariouspartsofEN13501.Thisstandardmakesreferenceto‘extendedapplicationstandards’throughout;whereverthistermisuseditreferstoeitherastandardpreparedbyCEN/TC127‘Firesafetyinbuildings’ortherelevantproductstandardwhichincludesinformationonextendedapplication.Insomecases,whereastandardisnotyetpublished,relevantbodiesmayissuerecommendationsforusebyNotifiedBodiesinattestationproceduresforCEmarkingundertheConstructionProductsDirective(CPD),http://ec.europa.eu/enterprise/newapproach/nando/.TheEuropeansystemcurrentlypermitsextendedapplicationrulestobeincludedintechnicalspecifications.CENTechnicalCommitteesandEOTAWorkinggroupsproducingtheserulesareaskedtoseektheguidanceofCEN/TC127toensurethattheirrulescomplywithstandardspreparedbyCEN/TC127.IncaseswhereextendedapplicationrulesinharmonisedENproductstandardsandETAsdonotcomplywithstandardspreparedbyCEN/TC127theCENBTshouldbeinformed.
【中国标准分类号】:Q10
【国际标准分类号】:13_220_50
【页数】:28P.;A4
【正文语种】:英语