MIL-HDBK-1811
时间:2024-05-17 04:10:38 来源: 标准资料网 作者：标准资料网 阅读：8251
MIL-HDBK-1811, DEPARTMENT OF DEFENSE HANDBOOK: MASS PROPERTIES CONTROL FOR SPACE VEHICLES (12 AUG 1998) [SUPERSEDING MIL-STD-1811]., This handbook provides guidance for establishing uniform procedures for the control, determination, and documentation of mass properties of space vehicles and their subsystems and components.
【英文标准名称】:Firedetectionandfirealarmsystems-Firealarmdevices-Visualalarmdevices
【原文标准名称】:火灾探测和火灾报警系统.火灾报警器.视觉信号报警装置
【标准号】:BSEN54-23-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-05-31
【实施或试行日期】:2010-05-31
【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】:
【英文主题词】:Alarmsystems;Automatic;CEmarking;Conformity;Controlcharts;Definitions;Detector;Electromagneticcompatibility;EMC;Features;Firealarmpoint;Firealarmsystem;Firealarms;Firebrigade;Firedetectors;Fireprotectionequipment;Firesafety;Firesafetyinbuildings;Firespreadprevention;Heatsensitivedetectors;Luminance;Luminousintensity;Operatingconditions;Opticalinstruments;Performance;Productioncontrol;Specification(approval);Stationary;Testing;Testingrequirements;Visualsignals
【摘要】:ThisEuropeanStandardspecifiestherequirements,testmethodsandperformancecriteriaforvisualalarmdevicesinafixedinstallationintendedtosignalavisualwarningofafirebetweenthefiredetectionandfirealarmsystemandtheoccupantsofabuilding(seeitemCofFigure1ofEN54-1:1996).Itisintendedtocoveronlythosedeviceswhichderivetheiroperatingpowerbymeansofaphysicalelectricalconnectiontoanexternalsourcesuchasafirealarmsystem.ThisEuropeanStandardspecifiestheevaluationofconformityandthemarkingofthevisualalarmdevices.ThisEuropeanStandardappliestovisualalarmdevicesthatrelyonsoftwarefortheiroperationandtothosethatdonot.ThisEuropeanStandardappliesonlytopulsingorflashingvisualalarmdevices,forexamplexenonbeaconsorrotatingbeacons.DevicesgivingcontinuouslightoutputareexcludedfromthisEuropeanStandard.ThisEuropeanStandardisnotintendedtocovervisualindicators,forexamplethoseondetectorsoronthecontrolandindicatingequipment.
【中国标准分类号】:C81
【国际标准分类号】:13_220_20
【页数】:70P.;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforSteelForgingStock
【原文标准名称】:钢锻件坯料的标准规范
【标准号】:ASTMA711/A711M-2007
【标准状态】:现行
【国别】:美国
【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(US-ASTM)
【起草单位】:A01.06
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:billets;blooms;slabs;steelforgingstock
【摘要】:1.1Thisspecificationcoverscastcarbonandalloysteelingotsandstrandcastings,semi-wroughtingotsandstrandcastingsandrolledorforgedblooms,billets,andslabsforforging.1.2Blooms,billets,andslabsaresemi-finishedsteelproducts,hotrolledorforgedtoapproximatecross-sectionaldimensions.Bloomsandbilletsmaybesquare,round,octagonal,orrectangularinsection;slabsarerectangular.Althoughnoinvariableruleprevailsbetweenthetermsbloomsandbillets,andtheyarefrequentlyusedinterchangeably,thefollowingsizedistinctionsareingeneraluse.1.2.1BloomsCross-sectionalareagreaterthan36in.2[230cm2].1.2.2BilletsMaximumcross-sectionalarea36in.2[230cm2].1.2.3SlabsMinimumthickness,11/2in.[4cm];width,morethantwicethethickness;andgenerallyacross-sectionalareaofnotlessthan16in.2[100cm2].1.2.4Ingotseithertoporbottompouredorsecondaryremeltedarecovered.1.2.5Strandcastingswithorwithoutadditionalreductionarecovered.1.3Supplementaryrequirements(S1toS19)ofanoptionalnatureareprovided.Theyshallapplyonlywhenspecifiedbythepurchaser.1.4combined-units;1.5Unlesstheorderspecifiesthe"M"specification,thematerialshallbefurnishedtotheinch-poundunits.
【中国标准分类号】:J32
【国际标准分类号】:77_140_85
【页数】:4P.;A4
【正文语种】:英语