【英文标准名称】:Dentalhandinstruments-Reusablemirrorsandhandles
【原文标准名称】:牙科手持器械可重复使用的镜子和手柄
【标准号】:ISO9873-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-11
【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/TC106
【标准类型】:()
【标准水平】:()
【中文主题词】:规范;规范(验收);可重复使用;试验;定义;定义;玻璃;工具柄;口腔镜;平板玻璃;金属外壳;作标记;牙科设备;牙科学;牙科器械;手柄;镜子;尺寸;重新使用
【英文主题词】:Definitions;Dentalequipment;Dentalinstruments;Dentistry;Dimensions;Glass;Handles;Marking;Metalcasings;Mirrors;Mouthmirrors;Plateglass;Re-usable;Reuse;Specification(approval);Specifications;Testing;Toolhandles
【摘要】:ThisInternationalStandardspecifiesrequirementsandtestmethodsforreusablemouthmirrorswithacoatedglassreflectingsurfaceandmetalcasingandmetallichandlessuitablefordentaluseintheoralcavity.
【中国标准分类号】:C33
【国际标准分类号】:11_060_25
【页数】:10P;A4
【正文语种】:英语


【英文标准名称】:NationalFuelGasCode
【原文标准名称】:国家燃油气体标准
【标准号】:ANSI/NFPA54-2012
【标准状态】:现行
【国别】:美国
【发布日期】:2012
【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】:
【英文主题词】:Accidentprevention;Definitions;Fuelgases;Gascircuits;Gasinstallations;Gaseousfuels;Maintenance;Materialsspecification;Pipingsystem;Production;Protectionagainstdanger;Safetyrequirements;Surveys;Testing
【摘要】:1.1Scope.1.1.1Applicability.1.1.1.1Thiscodeisasafetycodethatshallapplytotheinstallationoffuelgaspipingsystems,appliances,equipment,andrelatedaccessoriesasshownin1.1.1.1(A)through1.1.1.1(D).(A)Coverageofpipingsystemsshallextendfromthepointofdeliverytotheapplianceconnections.Forotherthanundilutedliquefiedpetroleumgas(LP-Gas)systems,thepointofdeliveryshallbeconsideredtobetheoutletoftheservicemeterassemblyortheoutletoftheserviceregulatororserviceshutoffvalvewherenometerisprovided.ForundilutedLP-Gas,thepointofdeliveryshallbeconsideredtobetheoutletofthefinalpressureregulator,exclusiveoflinegasregulators,inthesystem.(B)Themaximumoperatingpressureshallbe125psi(862kPa).ExceptionNo.1:Pipingsystemsforgasairmixtureswithintheflammablerangearelimitedtoamaximumpressureof10psi(69kPa).ExceptionNo.2:LP-Gaspipingsystemsarelimitedto20psi(140kPa),exceptasprovidedin5.5.2.(C)Requirementsforpipingsystemsshallincludedesign,materials,components,fabrication,assembly,installation,testing,inspection,operation,andmaintenance.(D)Requirementsforappliances,equipment,andrelatedaccessoriesshallincludeinstallation,combustion,andventilationairandventing.1.1.1.2Thiscodeshallnotapplytothefollowingitems(referencestandardsforsomeofwhichappearinAnnexM):(1)PortableLP-Gasappliancesandequipmentofalltypesthatarenotconnectedtoafixedfuelpipingsystem(2)Installationoffarmappliancesandequipmentsuchasbrooders,dehydrators,dryers,andirrigationequipment(3)Rawmaterial(feedstock)applicationsexceptforpipingtospecialatmospheregenerators(4)Oxygenfuelgascuttingandweldingsystems(5)Industrialgasapplicationsusingsuchgasesasacetyleneandacetyleniccompounds,hydrogen,ammonia,carbonmonoxide,oxygen,andnitrogen(6)Petroleumrefineries,pipelinecompressororpumpingstations,loadingterminals,compoundingplants,refinerytankfarms,andnaturalgasprocessingplants(7)Largeintegratedchemicalplantsorportionsofsuchplantswhereflammableorcombustibleliquidsorgasesareproducedbychemicalreactionsorusedinchemicalreactions(8)LP-Gasinstallationsatutilitygasplants(9)Liquefiednaturalgas(LNG)installations(10)Fuelgaspipinginelectricutilitypowerplants(11)Proprietaryitemsofequipment,apparatus,orinstrumentssuchasgasgeneratingsets,compressors,andcalorimeters(12)LP-Gasequipmentforvaporization,gasmixing,andgasmanufacturing(13)LP-Gaspipingforbuildingsunderconstructionorrenovationsthatisnottobecomepartofthepermanentbuildingpipingsystemthatis,temporaryfixedpipingforbuildingheat(14)InstallationofLP-Gassystemsforrailroadswitchheating(15)InstallationofLP-Gasandcompressednaturalgas(CNG)systemsonvehicles(16)Gaspiping,meters,gaspressureregulators,andotherappurtenancesusedbytheservinggassupplierindistributionofgas,otherthanundilutedLP-Gas(17)Buildingdesignandconstruction,exceptasspecifiedherein(18)FuelgassystemsonrecreationalvehiclesmanufacturedinaccordancewithNFPA1192,StandardonRecreationalVehicles(19)Fuelgassystemsusinghydrogenasafuel(20)Constructionofappliances1.1.2OtherStandards.Inapplyingthiscode,referenceshallalsobemadetothemanufacturersinstructionsandtheservinggassupplierregulations.
【中国标准分类号】:E46
【国际标准分类号】:75_160_30
【页数】:
【正文语种】:英语