【英文标准名称】:TestMethodforDeterminingStabilityandCompatibilityofHeavyFuelOilsandCrudeOilsbyHeavyFuelOilStabilityAnalyzerOpticalDetection
【原文标准名称】:用重燃料油稳定分析仪(光学检测)测定重燃料油和原油的稳定性和可混用性的试验方法(光学检测)
【标准号】:ANSI/ASTMD7112-2005
【标准状态】:作废
【国别】:美国
【发布日期】:2005
【实施或试行日期】:2005-11-29
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:分析仪;可混用性;原油;检测;测定;燃料油;燃料;重燃料油;重油;液体燃料;光学的;稳定性;试验
【英文主题词】:Analyzers;Compatibility;Crudeoils;Detection;Determination;Fueloil;Fuels;Heavyfueloil;Heavyoils;Liquidfuels;Optical;Stability;Testing
【摘要】:Thistestmethodcoversanautomatedprocedureinvolvingtitrationandopticaldetectionofprecipitatedasphaltenesfordeterminingthestabilityandcompatibilityparametersofrefineryresidualstreams,residualfueloils,andcrudeoils.Stabilityinthiscontextistheabilitytomaintainasphaltenesinapeptizedordissolvedstateandnotundergoflocculationorprecipitation.Similarly,compatibilityrelatestothepropertyofmixingtwoormoreoilswithoutprecipitationorflocculationofasphaltenes.Thistestmethodisapplicabletoresidualproductsfromatmosphericandvacuumdistillation,fromthermal,catalytic,andhydrocrackingprocesses,toproductstypicalofSpecificationsD396,GradesNo.5L,5H,and6,andD2880,GradesNo.3-GTand4-GT,andtocrudeoils,providingtheseproductscontain0.05mass%orgreaterconcentrationofasphaltenes.Thistestmethodisnotrelevanttooilsthatcontainlessthan0.05%asphaltenes,andwouldbepointlesstoapplytounstableoilsthatalreadycontainflocculatedasphaltenes.ThevaluesstatedinSIunitsshallbeconsideredstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:
【正文语种】:英语


【英文标准名称】:Checkvalvesforfire-protectionservice
【原文标准名称】:防火用切断阀
【标准号】:UL312-1993
【标准状态】:作废
【国别】:美国
【发布日期】:1993-06
【实施或试行日期】:
【发布单位】:美国保险商实验所(UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:消防喷水器;消防火管;阀门;管系统;防火;止回阀
【英文主题词】:waterconduitsforfireextinguishing;firesprinklers;valves;checkvalves;pipingsystem;fireprotection
【摘要】:
【中国标准分类号】:J16
【国际标准分类号】:13_220_20;23_060_50
【页数】:18P;A4
【正文语种】:英语