ASTM A896-1989(2004) 镀锌结构导电壳研究的标准规程
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【英文标准名称】:StandardPracticeforConductingCaseStudiesonGalvanizedStructures
【原文标准名称】:镀锌结构导电壳研究的标准规程
【标准号】:ASTMA896-1989(2004)
【标准状态】:现行
【国别】:
【发布日期】:1989
【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】:A05.13
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:锌覆层;厚度;组件;表面处理;视觉检验
【英文主题词】:casestudies;galvanizedstructures
【摘要】:Thispracticeisapplicabletogalvanizedstructuresexposedtotheatmosphereortoplantenvironments,includingbuildings,bridges,andindustrialplantconstructions.Itprovidesforthecollectionofdatatodocumenttheprotectionaffordedbythegalvanizedcoating.MethodAforconductingacoatingthicknesssurveyaimsessentiallyatanassessmentofthegeneralconditionofthegalvanizedstructure,atthetimeoftheinspection,bytakingthicknessmeasurementsonseveralmembersofthestructure.MethodBprovidesforaccuratemonitoringofthecoatingthicknessdecreaseasafunctionoftime,atspecificlocationsonthestructure,inordertoassessthecorrosivityoftheenvironment,theeffectoforientation,elevation,orotherfactors.MethodBisnotanalternateproceduretoMethodA,butiscomplementaryandoptional.1.1Thispracticesetsforththeproceduresforconductingcasestudiesofgalvanizedinstallations.Itisintendedforstructuralmembersandotherpermanentpartsoftheinstallation,suchasrailingsandothersuchfabrications.1.2Includedinthispracticearerecommendationsforthevisualinspectionofthegalvanizedstructure,measurementofcoatingthickness,andreportingofresults.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_40(METALLICCOATINGS)
【页数】:8P.;A4
【正文语种】:
【英文标准名称】:Standarddataelementtypeswithassociatedclassificationshemeforelectriccomponents-Part4:IECreferencecollectionofstandarddataelementtypesandcomponentclasses.
【原文标准名称】:电子元器件标准数据元素类型和相关分类模式.第4部分:IEC标准数据元素类型和元器件分类的基准集
【标准号】:NFC03-504-2005
【标准状态】:现行
【国别】:法国
【发布日期】:2005-08-01
【实施或试行日期】:2005-08-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:参考书;术语;型式;数据元;电子设备及元件;英语;分类系统;电气元件;编码;定义;电气工程;特性;组件;标准化;标准零部件;数据记录;图书馆;几何的;注册
【英文主题词】:
【摘要】:
【中国标准分类号】:L04;M04
【国际标准分类号】:01_040_29;01_040_31;29_100_20;31_020
【页数】:394P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforDeterminationofVaporPressure(VPX)ofPetroleumProducts,Hydrocarbons,andHydrocarbon-OxygenateMixtures(TripleExpansionMethod)
【原文标准名称】:测定石油产品、烃和烃氧化剂混合物蒸气压力(VPX)的标准试验方法(三级膨胀法)
【标准号】:ASTMD6378-2007e1
【标准状态】:现行
【国别】:
【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(ASTM)
【起草单位】:D02.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:汽油;烃混合物;石油产品;测试;蒸气压力
【英文主题词】:dryvaporpressure;gasoline;hydrocarbon-oxygenateblends;minimethod;petroleumproducts;vaporpressure;variablevolumemethod;
【摘要】:Vaporpressureisaveryimportantphysicalpropertyofvolatileliquidsforshippingandstorage.Thevaporpressureofgasolineandgasoline-oxygenateblendsisregulatedbyvariousgovernmentagencies.Specificationsforvolatilepetroleumproductsgenerallyincludevaporpressurelimitstoensureproductsofsuitablevolatilityperformance.Inthistestmethod,anairsaturationprocedurepriortothemeasurementisnotrequired,thuseliminatinglossesofhighvolatilecompoundsduringthisstep.Thistestmethodisfasterandminimizespotentialerrorsfromimproperairsaturation.ThistestmethodpermitsVPXdeterminationsinthefield.Thistestmethodcanbeappliedinonlineapplicationsinwhichanairsaturationprocedurepriortothemeasurementcannotbeperformed.1.1Thistestmethodcoverstheuseofautomatedvaporpressureinstrumentstodeterminethevaporpressureexertedinvacuumbyvolatile,liquidpetroleumproducts,hydrocarbons,andhydrocarbon-oxygenatemixtures.Thistestmethodissuitablefortestingsampleswithboilingpointsabove0176;C(32176;F)thatexertavaporpressurebetween7and150kPa(1.0and21psi)at37.8176;C(100176;F)atavapor-to-liquidratioof4:1.Theliquidsamplevolumesizerequiredforanalysisisdependentuponthevapor-to-liquidratiochosen(seeNote1)andthemeasuringchambervolumecapacityoftheinstrument(see6.1.1andNote3).Note1Thetestmethodissuitableforthedeterminationofthevaporpressureofvolatile,liquidpetroleumproductsattemperaturesfrom0to100176;Catvaportoliquidratiosof4:1to1:1(X=4to1)andpressuresupto500kPa(70psi),buttheprecisionstatement(seeSection16)maynotbeapplicable.1.2Thevaporpressure(VPX)determinedbythistestmethodatavapor-liquidratioof4:1(X=4)ofgasolineandgasoline-oxygenateblendsat37.8176;Ccanbecorrelatedtothedryvaporpressureequivalent(DVPE)valuedeterminedbyTestMethodD5191(see16.2).1.3&si-value;Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,see7.2-7.8.
【中国标准分类号】:E30
【国际标准分类号】:75_080;75_080;75_080
【页数】:14P.;A4
【正文语种】: