EN 24829-1-1990 用还原钼硅酸盐分光光度法测定钢和铸铁中硅总含量.硅含量在0.05%~1.0%之间(ISO4829-1:1986)
时间:2024-05-28 03:46:17 来源: 标准资料网 作者：标准资料网 阅读：9383
【英文标准名称】:Determinationoftotalsiliconcontentofsteelandcastironbythereducedmolybdosilicatespectrophotometricmethod;siliconcontentsbetween0,05and1,0%(ISO4829-1:1986);germanversionEN24829-1:1990
【原文标准名称】:用还原钼硅酸盐分光光度法测定钢和铸铁中硅总含量.硅含量在0.05%~1.0%之间(ISO4829-1:1986)
【标准号】:EN24829-1-1990
【标准状态】:现行
【国别】:
【发布日期】:1992-10
【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】:矽;含量测定;钢;硅含量;方法;铁;铸铁;钼钢;分光光度法;化学分析和试验;硅;光谱测定法
【英文主题词】:Cast-iron;Chemicalanalysisandtesting;Determinationofcontent;Iron;Methods;Molybdenumsteels;Silicon;Siliconcontent;Spectrometry;Spectrophotometry;Steels
【摘要】:
【中国标准分类号】:H11
【国际标准分类号】:77_080_01
【页数】:8P.;A4
【正文语种】:英语
【英文标准名称】:Informationtechnology-Codingofaudio-visualobjects-Part5:Referencesoftware-Amendment14:OpenFontFormatreferencesoftware
【原文标准名称】:信息技术.视听对象的编码.第5部分:参考软件.修改件14:开放式字体格式参考软件
【标准号】:ISO/IEC14496-5AMD14-2009
【标准状态】:现行
【国别】:国际
【发布日期】:2009-04-01
【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/IECJTC1/SC29
【标准类型】:()
【标准水平】:()
【中文主题词】:声信号;视听的;代码表示;编码(数据转换);计算机软件;数据处理;编码;(数据)格式;图形数据处理;图像处理;信息交换;信息技术;多媒体;对象;参考材料;参考;视频信号
【英文主题词】:Acousticsignals;Audiovisual;Codedrepresentation;Coding(dataconversion);Computersoftware;Dataprocessing;Encoding;Formats;Graphicdataprocessing;Imageprocessing;Informationinterchange;Informationtechnology;Multimedia;Object;Referencematerials;References;Videosignals
【摘要】:
【中国标准分类号】:L71
【国际标准分类号】:35_040
【页数】:6P.;A4
【正文语种】:英语
【英文标准名称】:RecommendedPracticeforHandlingReleasesofFlammableandCombustibleLiquidsandGases
【原文标准名称】:可燃和易燃液体及气体操作泄漏量用推荐的实施规程
【标准号】:ANSI/NFPA329-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【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】:可燃液体;防火;可燃的;泄漏量;地下
【英文主题词】:Combustibleliquids;Fireprotection;Flammable;Leakage;Underground
【摘要】:1-1.1Thisrecommendedpracticeprovidesappropriatemethodsforrespondingtofireandexplosionhazardsresultingfromthereleaseofaflammableorcombustibleliquid,gas,orvaporthatcouldmigratetoasubsurfacestructure.Althoughthisrecommendedpracticeisintendedtoaddressonlythesefireandexplosionhazards,otherauthoritiesshouldbeconsultedregardingtheenvironmentalandhealthimpactandotherhazardousconditionsofsuchreleases.1-1.2Thisrecommendedpracticeoutlinesoptionsfordetectingandinvestigatingthesourceofarelease,formitigatingthefireandexplosionhazardsresultingfromtherelease,andfortracingthereleasedliquidbacktoitssource.Theseoptionsarenotintendedtobe,norshouldtheybeconsideredtobe,all-inclusiveormandatoryinanygivensituation.Ifbetterormoreappropriatealternativemethodsareavailable,theyshouldbeused.1-1.3Theproceduresoutlinedinthisrecommendedpracticecanapplytohazardoussubstancesotherthanflammableandcombustibleliquidsthatcouldhaveadversehumanhealtheffects.However,thephysicalcharacteristicsofthehazardoussubstancereleasedmustbeunderstoodbeforetakinganyaction.Itshouldberecognizedthatotherauthorities,suchasfederalorstatehazardousmaterialspersonnel,shouldbeconsultedregardingtheenvironmentalandhealthimpactandotherhazardousconditionsofthesesubstances.GuidanceregardingmaximumacceptablelevelsofthesesubstancescanbefoundintheMaterialSafetyDataSheet(MSDS);OSHA29CFR1910.1000,SubpartZ;otherOSHAsubstance-specificstandards;ACGIHThresholdLimitValues(TLV)forChemicalSubstancesand,PhysicalAgents;andtheNIOSHPocketGuidetoChemicalHazards.1-1.4*Theconditioncreatedbythereleasesofliquidsandvaporsinsubsurfacestructurescanbegroupedintothefollowingtwoclasses:(1)Flammable(2)InjurioustolifeThelatterconditionresultsfromthetoxicorsuffocatingpropertiesofthegasesorvapors.Someoftheseliquidsandgasesfallintobothclasses.Whilethispublicationdealsprimarilywiththeflammablelimitsassociatedwithliquidsandgases,someofwhicharelistedinTableA-1-1.4,additionalprecautionscouldberequiredtoprotectagainsthealthhazards.Anexampleisbenzene;itsdangerousbreathingconcentrationisonlyasmallfractionofthelowerflammablelimit(LFL).1-1.5Theresponsibilityforproperhandlingofasuspectedreleaseofflammableandcombustibleliquidsandgases,orapotentialhazardfromsucharelease,willbesharedbyvariousindividuals,organizations,andregulatoryagencies.Thesuccessfulhandlingoftheseproblemswilldependonthebestpossiblecooperationbetweenthem.Thisrecommendedpracticeisintendedfortheinformationofallorganizationsandpersonsinvolved.Owners,operators,orothersbecomingawareofahazardousconditionshouldnotifythefiredepartment,police,orotherproperauthority.1-1.6TheNationalFireProtectionAssociationdoesnot,bythepublicationofthisrecommendedpractice,recommendactionthatisnotincompliancewithapplicablelawsandregulationsandshouldnotbeconsideredasdoingso.Usersofthisrecommendedpracticeshouldconsultallapplicablefederal,state,andlocallawsandregulations,especiallywithrespecttoanyapplicablereportingrequirements.
【中国标准分类号】:A80
【国际标准分类号】:13_300
【页数】:
【正文语种】:英语