YS/T 230.3-1994 高纯铟中砷量的测定[二乙氨基二硫代甲酸银(Ag-DDL)法]
时间:2024-05-14 16:59:21 来源: 标准资料网 作者：标准资料网 阅读：8067
基本信息
| 标准名称： | 高纯铟中砷量的测定[二乙氨基二硫代甲酸银(Ag-DDL)法] |
| 英文名称： | High pure indium--Determination of arsenic content--Spectrochemical method |
| 中标分类： |
冶金 >>
金属化学分析方法 >>
稀有金属及其合金分析方法 |
| 替代情况： | 原标准号GB 2594.3-81 |
| 发布日期： | |
| 实施日期： | 1996-03-12 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 3页 |
适用范围
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前言
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引用标准
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所属分类： 冶金 金属化学分析方法 稀有金属及其合金分析方法
【英文标准名称】:StandardSpecificationforHigh-StrengthCarbon-ManganeseSteelofStructuralQuality
【原文标准名称】:结构级高强度碳锰钢标准规范
【标准号】:ASTMA529/A529M-2003
【标准状态】:作废
【国别】:美国
【发布日期】:2003
【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】:屈服强度;钢;材料强度;结构钢
【英文主题词】:steels;structuralsteels;yieldstrength;strengthofmaterials
【摘要】:
【中国标准分类号】:H40
【国际标准分类号】:77_140_10
【页数】:3P;A4
【正文语种】:英语
【英文标准名称】:Fireresistance-Testsforthermo-physicalandmechanicalpropertiesofstructuralmaterialsatelevatedtemperaturesforfireengineeringdesign
【原文标准名称】:防火.高温下对防火工程设计用结构材料的热物理和机械特性的试验
【标准号】:ISO/TR15655-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-04
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC92
【标准类型】:()
【标准水平】:()
【中文主题词】:热性能;木材;燃烧试验;耐火性;机械性能;混凝土;防火安全;金属;高温试验;施工材料;砖石工程;防火;塑料
【英文主题词】:firesafety;thermalproperties;high-temperaturetesting;masonry;mechanicalproperties;firetests;constructionmaterials;fireresistance;wood;concretes;metals;plastics;fireprotection
【摘要】:ThisTechnicalReportidentifiestestmethodsalreadyinexistenceandprovidesguidanceonthosethatneedtobedevelopedtocharacterizethethermo-physicalandmechanicalpropertiesofstructuralmaterialsatelevatedtemperaturesforuseinfiresafetyengineeringcalculations.Itisapplicabletomaterialsusedinload-bearingconstructioninwhichstructuralandthermalcalculationsmightberequiredtoassesstheperformanceofelementsorsystemsexposedtoeitherstandardfiretests,realordesignfireheatingconditions.Itisrecognizedthattheelevatedtemperaturepropertiesofmaterialscanbedeterminedunderavarietyofconditions.Sincefireisarelativelyshorttransientprocesslastingfromafewminutestoseveralhours,ideally,thepropertiesdeterminedshouldreflectthetransientthermalandloadingconditionsaswellasthedurationofheatingthatmaybeexperiencedinpractice.However,itisalsorecognizedthatsomepropertiesarerelativelyinsensitivetothetransientconditionsandtherefore,alternativesteadystatetestmethodsmaybeappropriate.Somepropertiesaresensitivetoorientationeffects,forexampletimber,andtheseshouldbeconsideredwithrespecttohowthetestsareconducted.Incaseswherematerialsundergoeitherachemicaloraphysicalreactionduringtheheatingprocess,itmightbeimpossibletodetermineanindividualproperty.ThisTechnicalReportgivesguidanceinselectingatestmethodtodetermineaneffectivevaluerepresentingacombinationofproperties.Itisalsorecognizedthatatestspecimenmaybecomprisedofasmallconstructionsuchasthatusedinthetestingofmasonry.Thisofteninvolvesbuildingaminiassemblytoformapyramidinordertorepresentthetruebehaviour.Apartfromthetraditionalconstructionmaterialssuchasmetals,concrete,masonryandwood,theuseofplasticsandfibrereinforcementisbecomingmorecommon.ThereforethesematerialshavealsobeenincludedinthisTechnicalReporttoreflectpossiblefuturechangesindesignandadvancesinmaterialstechnology.Inthepast,thebehaviourofjointingsystemsinfirehasonlyreceivedalittleinterestyettheirbehaviourisfundamentaltotheperformanceofcompositeelementsandstructuralframes.ThisTechnicalReportalsoaddressesjointingsystemsunderindividualmaterials,forexampleweldsforsteel,gluesfortimber.However,inmanycases,theenduseofanadhesiveisnotclearoritcoversarangeofapplications.Forthisreasonaseparatecategoryforadhesivesisincluded.Forsomematerials,ithasnotbeenpossibletoidentifyanexistingstandardorlaboratoryprocedureforconductingtestsatelevatedtemperaturesundereithersteadystateortransientheatingconditions.Inthesecases,standardsforconductingtestsatambienttemperatureareidentified.Thesemaybeconsideredtoformthebasisfordevelopmentintoatestmethodsuitableatelevatedtemperatures.Baseduponcurrentfiredesignmethodologiesandthosethatarebeginningtoreceiveattention,Table1andTable2summarizetherequirementsandavailabilityoftestmethodsformeasuringthethermalandmechanicalpropertiesconsideredtohaveanimmediatepriority.NOTEForcompositeconcreteandsteelstructuresthematerialpropertiesrequiredareaddressedundereachindividualmaterial.
【中国标准分类号】:P16
【国际标准分类号】:13_220_40
【页数】:46P;A4
【正文语种】:英语