ASTM D 5835-1995 自动售货机的固定放射源抽样的集气测定的标准试验
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【英文标准名称】:StandardPracticeforSamplingStationarySourceEmissionsfortheAutomatedDeterminationofGasConcentrations
【原文标准名称】:自动售货机的固定放射源抽样的集气测定的标准试验
【标准号】:ASTMD5835-1995
【标准状态】:现行
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:固定的;设备;发射
【英文主题词】:Airquality;Emission;Equipment;Gasconcentrations;Stationary
【摘要】:
【中国标准分类号】:Z15
【国际标准分类号】:13_040_40
【页数】:8P;A4
【正文语种】:英语
【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】:Steelwireandwireproductsforfences-Part1:Zincandzinc-alloycoatedsteelbarbedwire;GermanversionEN10223-1:1997
【原文标准名称】:栅栏用钢丝和钢丝制品.第1部分:锌和锌合金涂层的带刺钢丝
【标准号】:EN10223-1-1997
【标准状态】:现行
【国别】:
【发布日期】:1998-03
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:刺钢丝;钢丝;特性;半成品;栏栅;锌合金;材料;规范(验收);试验;金属线;材料试验
【英文主题词】:Barbedwire;Fences;Materials;Materialstesting;Properties;Semi-finishedproducts;Specification(approval);Steelwireproducts;Steelwires;Testing;Wires;Zincalloys;Zinccoatings
【摘要】:
【中国标准分类号】:H49
【国际标准分类号】:77_140_65
【页数】:9P.;A4
【正文语种】:英语
