ASTM A49-2001(2006) 热处理碳素钢连接棒材、微合金连接棒材和法兰连接棒材的标准规范
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来源:标准资料网
【英文标准名称】:StandardSpecificationforHeat-TreatedCarbonSteelJointBars,MicroalloyedJointBars,andForgedCarbonSteelCompromiseJointBars
【原文标准名称】:热处理碳素钢连接棒材、微合金连接棒材和法兰连接棒材的标准规范
【标准号】:ASTMA49-2001(2006)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:A01.01
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:钢;棒材
【英文主题词】:jointbars;rails;railwayapplications;steelrails
【摘要】:1.1Thisspecificationcoversheat-treatedcarbonsteeljointbars,microalloyedjointbars,andforgedcompromisejointbarsforgeneraluseinstandardrailroadtrack.1.2Thejointbarsmaybeusedfortheproductionofinsulatedjoints.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.
【中国标准分类号】:H44
【国际标准分类号】:77_140_60
【页数】:3P.;A4
【正文语种】:
【英文标准名称】:IEC/TS62668-1:Processmanagementforavionics-Counterfeitingprotection-Part1:Guidelinesforavoidingtheuseofcounterfeited,fraudulentandrecycledelectroniccomponents
【原文标准名称】:IEC/TS62668-1:航空电子设备的过程管理.仿造保护.第1部分:避免使用仿造,欺诈和回收的电子元器件组件的指南
【标准号】:IEC107/146/CD-2011
【标准状态】:作废
【国别】:国际
【发布日期】:2011-01
【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/TC107
【标准类型】:()
【标准水平】:()
【中文主题词】:航空电子设备;组件;拷贝;定义(术语);分立器件;电气工程;电子工程;电子设备及元件;伪造;欺诈;搬运;模仿;检验;集成电路;知识产权;采购;额定值;再循环;可靠度;半导体器件;试验;使用
【英文主题词】:Avionics;Components;Copies;Definitions;Discretedevices;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Forgery;Fraud;Handling;Imitations;Inspection;Integratedcircuits;Intellectualproperty;Procurements;Ratings;Recycling;Reliability;Semiconductordevices;Testing;Use
【摘要】:
【中国标准分类号】:V41
【国际标准分类号】:49_090
【页数】:
【正文语种】:英语
【英文标准名称】:Electricalapparatusforuseinthepresenceofcombustibledust-Part0:Generalrequirements
【原文标准名称】:可燃性粉尘场合用电气设备.第0部分:一般要求
【标准号】:BSEN61241-0-2006
【标准状态】:作废
【国别】:英国
【发布日期】:2007-01-31
【实施或试行日期】:2007-01-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:外壳材料;容器密封性;易燃的;定义;防护等级;设计;粉尘;粉尘爆炸;防尘罩;防尘的;多粉尘的;电器;电气外壳;电气工程;电气设备;电气安全;电驱动装置;外壳;环境条件;设备;装配;爆炸危险;防爆;爆炸性环境;紧固件;防火安全;可燃性环境;易燃材料;保险丝;点火防护;易燃性;照明设备;材料;测量仪器;安装;插头;保护设备;保护措施;旋转电机;安全措施;样品;选择;插座;规范(验收);表面温度;开关装置;温度限制;测试;热稳定性;iaD型保护的电气设备;mD型保护的电气设备;保护形式;pD型保护的电气设备;tD型保护的电气设备;通风设备
【英文主题词】:Casematerial;Casetightness;Combustible;Definition;Definitions;Degreesofprotection;Design;Dust;Dustexplosions;Dustguards;Dusttight;Dusty;Electricappliances;Electricenclosures;Electricalengineering;Electricalequipment;Electricalsafety;Electrically-operateddevices;Enclosures;Environmentalcondition;Equipment;Erection;Explosionhazard;Explosionprotection;Explosiveatmospheres;Fasteners;Firesafety;Flammableatmospheres;Flammablematerials;Fuses;Ignitionprotection;Inflammable;Luminaires;Materials;Measuringinstruments;Mounting;Plugs;Protectiondevices;Protectivemeasures;Rotatingelectricmachines;Safetymeasures;Samples;Selection;Sockets;Specification(approval);Surfacetemperatures;Switchgear;Temperaturelimits;Testing;Thermalstability;TypeiaDprotectedelectricalequipment;TypemDprotectedelectricalequipment;Typeofprotection;TypepDprotectedelectricalequipment;TypetDprotectedelectricalequipment;Ventilations
【摘要】:ThispartofIEC61241specifiesgeneralrequirementsforthedesign,construction,testingandmarkingofelectricalapparatusprotectedbyanyrecognizedsafeguardtechniqueforuseinareaswherecombustibledustmaybepresentinquantitiesthatcouldleadtoafireorexplosionhazard.ThisPart0ofEN61241coversCategory1D,2Dand3Dapparatus.Onlyincasesspecificallymentioned,therequirementsdifferforCategories1D,2Dand3D.Inallcaseswhereapparatusareinvolved,thereferencestozonesshallbereadZone20Category1DZone21Category2DorCategory1DZone22Category3DorCategory1Dor2DThisstandardissupplementedormodifiedbythefollowingpartsofIEC61241concerningspecifictypesofprotection:–Part1:Protectionbyenclosures‘tD’–Part2:Protectionbypressurization‘pD’(underconsideration)–Part11:Intrinsicallysafeapparatus‘iD’–Part18:Protectionbyencapsulation‘mD’Theapplicationofelectricalapparatusinatmosphereswhichmaycontainexplosivegasaswellascombustibledust,whethersimultaneouslyorseparately,requiresadditionalprotectivemeasures.Thisstandarddoesnotspecifyrequirementsforsafety,otherthanthosedirectlyrelatedtotheexplosionrisk.Wheretheapparatushastomeetotherenvironmentalconditions,forexample,protectionagainstingressofwaterandresistancetocorrosion,additionalmethodsofprotectionmaybenecessary.Themethodusedisnottoadverselyaffecttheintegrityoftheenclosure.Thisstandarddoesnotapplytodustsofexplosivesthatdonotrequireatmosphericoxygenforcombustion,ortopyrophoricsubstances.Thisstandardisnotapplicabletoelectricalapparatusintendedforuseinundergroundpartsofminesaswellasthosepartsofsurfaceinstallationsofsuchminesendangeredbyfiredampand/orcombustibledust.Thisstandarddoesnottakeaccountofanyriskduetoanemissionofflammableortoxicgasfromthedust.
【中国标准分类号】:K35
【国际标准分类号】:29_260_20
【页数】:58P.;A4
【正文语种】:英语
