【英文标准名称】:MedicalElectricalEquipment-Part2:ParticularRequirementsfortheSafetyofInfantRadiantWarmers
【原文标准名称】:医疗电气设备.第2部分:婴儿辐射保温箱安全性特殊要求
【标准号】:ANSI/AAMI/IEC60601-2-21&60601-2-21AMD1-2000
【标准状态】:作废
【国别】:美国
【发布日期】:2000
【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】:安全;电医学;电气器具
【英文主题词】:Babies;Electricappliances;Electricalengineering;Electricalmedicalequipment;Electricalprotectionequipment;Electricalsafety;Electromedicine;Heatradiators;Heat-radiatingequipment;Incubators;Infantradiantwarmers;Infants;Inspection;Mechanicalsafety;Medicalequipment;Medicalsciences;Medicaltechnology;Protectivedevices;Radiationprotection;Safety;Safetyengineering;Safetyrequirements;Specification(approval);Testing
【摘要】:Providesminimumlabeling,performance,andsafetyrequirementsthatwillhelpassureareasonablelevelofclinicalefficacyandpatientsafety.
【中国标准分类号】:C39
【国际标准分类号】:11_040_10
【页数】:
【正文语种】:英语
基本信息
标准名称: | 烧结镁铝尖晶石砂 |
英文名称: | Sintered magnesia-alumina spinel |
中标分类: |
建材 >>
耐火材料 >>
碱性耐火材料 |
ICS分类: |
玻璃和陶瓷工业 >>
耐火材料
|
发布部门: | 中华人民共和国冶金工业部 |
发布日期: | 1997-08-04 |
实施日期: | 1997-12-01 |
首发日期: | |
作废日期: | |
提出单位: | 冶金工业部信息标准研究院 |
归口单位: | 冶金工业部信息标准研究院 |
起草单位: | 辽宁镁矿耐火材料公司、海城市华银集团公司 |
起草人: | 王诚训、白银昌、王珏、刘宗林、石刚 |
出版社: | 中国标准出版社 |
出版日期: | 2004-04-19 |
页数: | 3页 |
书号: | 155066.2-11908 |
适用范围
本标准规定了烧结镁铝尖晶石砂的技术要求、试验方法、检验规则、包装、标志、运输、贮存及质量证明书。
本标 准 适 用于生产耐火尹 IS+AI的烧结镁铝尖晶石砂
前言
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目录
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引用标准
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所属分类: 建材 耐火材料 碱性耐火材料 玻璃和陶瓷工业 耐火材料
【英文标准名称】:StandardTestMethodsforCompressiveStrengthofMoldedSoil-CementCylinders
【原文标准名称】:模制土壤水泥圆筒的耐压强度用标准试验方法
【标准号】:ASTMD1633-2000(2007)
【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】:D18.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:水泥;化合物;耐压强度;建筑;施工材料;压力;土壤;静压铸件;试验
【英文主题词】:compressivestrength;soil-cement;soilstabilization
【摘要】:MethodAmakesuseofthesamecompactionequipmentandmoldscommonlyavailableinsoillaboratoriesandusedforothersoil-cementtests.ItisconsideredthatMethodAgivesarelativemeasureofstrengthratherthanarigorousdeterminationofcompressivestrength.Becauseofthelesserheighttodiameterratio(1.15)ofthecylinders,thecompressivestrengthdeterminedbyMethodAwillnormallybegreaterthanthatforMethodB.MethodB,becauseofthegreaterheighttodiameterratio(2.00),givesabettermeasureofcompressivestrengthfromatechnicalviewpointsinceitreducescomplexstressconditionsthatmayoccurduringtheshearingofMethodAspecimens.Inpractice,MethodAhasbeenmorecommonlyusedthanMethodB.Asaresult,ithasbeencustomarytoevaluateorspecifycompressivestrengthvaluesasdeterminedbyMethodA.AfactorforconvertingcompressivestrengthvaluesbasedonheighttodiameterratioisgiveninSection8.3Note18212;TheagencyperformingthistestmethodcanbeevaluatedinaccordancewithPracticeD3740.Notwithstandingstatementsonprecisionandbiascontainedinthistestmethod:theprecisionofthistestmethodisdependentonthecompetenceofthepersonnelperformingitandthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting.UsersofthistestmethodarecautionedthatcompliancewithPracticeD3740doesnot,initself,ensurereliabletesting.Reliabletestingdependsonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthesefactors.1.1Thistestmethodcoversthedeterminationofthecompressivestrengthofsoil-cementusingmoldedcylindersastestspecimens.1.2Twoalternativeproceduresareprovidedasfollows:1.2.1MethodA-Thisprocedureusesatestspecimen4.0in.(101.6mm)indiameterand4.584in.(116.4mm)inheight.Heighttodiameterratioequals1.15.Thistestmethodmadebeusedonlyonmaterialswith30%orlessretainedonthe3/4-in.(19.0-mm)sieve.SeeNote3.1.2.2MethodB-Thisprocedureusesatestspecimen2.8in.(71.1mm)indiameterand5.6in.(142.2mm)inheight.Heighttodiameterratioequals2.00.ThistestmethodisapplicabletothosematerialsthatpasstheNo.4(4.75-mm)sieve.1.3AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard,exceptasnotedin1.4.1-1.4.3.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunits,andareprovidedforinformationonlyandarenotconsideredstandard.1.4.1Thegravitationalsystemofinch-poundunitsisusedwhendealingwithinch-poundunits.Inthissystem,thepound(lbf)representsaunitofforce(weight),whiletheunitformassisslugs.1.4.2Theslugunitofmassisalmostneverusedincommercialpractice(density,scales,balances,etc.).Therefore,thestandardunitformassinthisstandardiseitherkilogram(kg)orgram(g),orboth.Also,theequivalentinch-poundunit(slug)isnotgiven.1.4.3Itiscommonpracticeintheengineering/constructionprofessionintheUnitedStatestouseconcurrentlypoundstorepresentbothaunitofmass(lbm)andofforce(lbf).Thisusecombinestwoseparatesystemofunits,theabsolutesystemandthegravitationalsystem.Itisscientificallyundesirabletocombinetheuseoftwoseparatesetsofinch-poundunitswithinasinglestandard.Asstatedin1.4.2,thisstandardusesthegravitationalsys......
【中国标准分类号】:Q14
【国际标准分类号】:93_020
【页数】:4P.;A4
【正文语种】: