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【英文标准名称】:StandardTestMethodfortheDeterminationofUraniumbyIgnitionandtheOxygentoUranium(O/U)AtomicRatioofNuclearGradeUraniumDioxidePowdersandPellets
【原文标准名称】:用点火和核级二氧化铀粉末和颗粒的氧铀原子比测定铀的标准试验方法
【标准号】:ASTMC1453-2000(2006)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:C26.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:重量分析的;铀;氧;氧铀比;点火
【英文主题词】:gravimetric;ignition;O/Uratio;oxygen;oxygentouraniumratio;uranium
【摘要】:ThetestmethodisdesignedtoshowwhetherornotamaterialmeetsthespecificationsasgiveninSpecificationsC753orC776.Thepowderrsquo;stoichiometryisusefulforpredictingtheoxidersquo;sinteringbehaviorinthepelletproductionprocess.1.1Thistestmethodcoversthedeterminationofuraniumandtheoxygentouraniumatomicratioinnucleargradeuraniumdioxidepowderandpellets.1.2Thistestmethoddoesnotincludeprovisionsforpreventingcriticalityaccidentsorrequirementsforhealthandsafety.Observanceofthistestmethoddoesnotrelievetheuseroftheobligationtobeawareofandconformtoallinternational,national,orfederal,stateandlocalregulationspertainingtopossessing,shipping,processing,orusingsourceorspecialnuclearmaterial.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.3ThistestmethodalsoisapplicabletoUO3andU3O8powder.
【中国标准分类号】:F40
【国际标准分类号】:27_120_30
【页数】:3P.;A4
【正文语种】:


【英文标准名称】:Explosiveatmospheres-Part11:Equipmentprotectionbyintrinsicsafety"i"
【原文标准名称】:易爆环境.第11部分:实质安全性的"i"型防护电气设备
【标准号】:IEC60079-11-2006
【标准状态】:作废
【国别】:国际
【发布日期】:2006-07
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC31G
【标准类型】:()
【标准水平】:()
【中文主题词】:组装件;电容器;电路;间隙;组件;定义;二极管;接地;地面连接;电插头;电气布线系统;电气元件;电气工程;电气安全;电驱动装置;外壳;设备;防爆;爆炸性环境;可燃性环境;绝缘;自身安全;漏电路径;作标记;标准操作;电力变压器;原电池;印制电路;继电器;安全;二次电池;半导体;试验;变压器;i型防护电气设备
【英文主题词】:Assemblies;Capacitors;Circuits;Classification;Clearances;Components;Definitions;Diodes;Earthing;Earthingconnection;Electricplugs;Electricwiringsystems;Electricalcomponents;Electricalengineering;Electricalsafety;Electrically-operateddevices;Enclosures;Equipment;Explosionhazard;Explosionprotection;Explosions;Explosiveatmospheres;Flammableatmospheres;Insulations;Intrinsicsafety;Leakagepaths;Mainstransformers;Marking;Normaloperation;Powertransformers;Primarycells;Printedcircuits;Relays;Routinechecktests;Safety;Secondarycells;Semiconductors;Tearstrength;Tensilestrength;Tensiletests;Testing;Transformers;Typeiprotectedelectricalequipment;Types
【摘要】:ThispartofIEC60079specifiestheconstructionandtestingofintrinsicallysafeapparatusintendedforuseinanexplosivegasatmosphereandforassociatedapparatus,whichisintendedforconnectiontointrinsicallysafecircuitswhichentersuchatmospheres.Thistypeofprotectionisapplicabletoelectricalapparatusinwhichtheelectricalcircuitsthemselvesareincapableofcausinganexplosioninthesurroundingexplosiveatmospheres.ThisstandardisalsoapplicabletoelectricalapparatusorpartsofelectricalapparatuslocatedoutsidetheexplosivegasatmosphereorprotectedbyanothertypeofprotectionlistedinIEC60079-0,wheretheintrinsicsafetyoftheelectricalcircuitsintheexplosivegasatmospheremaydependuponthedesignandconstructionofsuchelectricalapparatusorpartsofsuchelectricalapparatus.Theelectricalcircuitsexposedtotheexplosivegasatmosphereareevaluatedforuseinsuchanatmospherebyapplyingthisstandard.TherequirementsforintrinsicallysafesystemsareprovidedinIEC60079-25.TherequirementsforintrinsicallysafeconceptsforfieldbusareprovidedinIEC60079-27.ThisstandardsupplementsandmodifiesthegeneralrequirementsofIEC60079-0,exceptasindicatedinTable1.WherearequirementofthisstandardconflictswitharequirementofIEC60079-0,therequirementsofthisstandardshalltakeprecedence.Ifassociatedapparatusisplacedintheexplosivegasatmosphere,itmustbeprotectedbyanappropriatetypeofprotectionlistedinIEC60079-0,andthentherequirementsofthatmethodofprotectiontogetherwiththerelevantpartsofIEC60079-0alsoapplytotheassociatedapparatus.
【中国标准分类号】:K35
【国际标准分类号】:29_260_20
【页数】:233P;A4
【正文语种】:英语