NF L24-107-2006 航空航天系列.镀镉的合金钢制短螺纹标准杆粗公差普通六角头米制螺钉.等级:900MPa(室温下)/235℃

作者:标准资料网 时间:2024-05-07 09:23:32   浏览:8394   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Aerospaceseries-Metricbolts,normalhexagonalhead,coarsetolerancenormalshank,shortthread,inalloysteel,cadmiumplated-Classification:900MPa(atambienttemperature)/235oC.
【原文标准名称】:航空航天系列.镀镉的合金钢制短螺纹标准杆粗公差普通六角头米制螺钉.等级:900MPa(室温下)/235℃
【标准号】:NFL24-107-2006
【标准状态】:现行
【国别】:法国
【发布日期】:2006-12-01
【实施或试行日期】:2006-12-05
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;飞行器部件;合金钢;镉板;分类系统;名称与符号;尺寸公差;尺寸;六角头螺钉;材料;特性;螺钉;航天运输;规范(验收);钢;表面处理;螺纹;公差(测量)
【英文主题词】:Aerospacetransport;Airtransport;Aircraftcomponents;Alloysteels;Alloys;Cadmiumplated;Classificationsystems;Designations;Dimensionaltolerances;Dimensions;Hexagonheadscrews;Materials;Metricscrewthreads;Properties;Screws(bolts);Spacetransport;Specification(approval);Steels;Surfacetreatment;Threads;Tolerances(measurement)
【摘要】:
【中国标准分类号】:V20
【国际标准分类号】:49_030_20
【页数】:24P;A4
【正文语种】:其他


下载地址: 点击此处下载
【英文标准名称】:Radiationprotectioninstrumentation-Installeddoseratemeters,warningassembliesandmonitors-Xandgammaradiationofenergybetween50keVand7MeV
【原文标准名称】:辐射防护仪表.固定式能量在50keV和7MeV之间X和γ辐射的剂量率仪、报警装置和监测仪
【标准号】:IEC60532-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-08
【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/SC45B
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;剂量;剂量计;电气工程;辐照率表;γ辐射;辐照度;辐照器;监控器;核安全性;核技术;辐射剂量;辐射防护;辐射防护设备;安全措施;监督(认可);报警装置;警告;X射线
【英文主题词】:Definitions;Dose;Dosimeters;Electricalengineering;Exposure-ratemeters;Gamma-radiation;Irradiance;Irradiationapparatus;Monitors;Nuclearsafety;Nucleartechnology;Radiationdose;Radiationprotection;Radiationprotectionmeasurement;Safetymeasures;Surveillance(approval);Warningdevices;Warnings;X-rays
【摘要】:ThisInternationalStandardappliestoinstalleddoseratemeters,warningassembliesandmonitorsthatareusedtopreventormitigateaminorradioactiverelease,orminordegradationoffuel,withinthenuclearpowerplants/nuclearfacilitydesignbasis,andtowarnpersonnelortoensuretheirsafetyduringorfollowingeventsthatinvolveorresultinreleaseofradioactivityinthenuclearpowerplants(NPP)/nuclearfacility(NF),orriskofradiationexposure.Thisequipmentistypicallyclassifiedascategory“A”or“B”or“C”or“notclassified”inIEC61226.Itcoversequipmentintendedtoisotropicallymeasureairkerma,ambientdoseequivalentorotherexposurequantitiesduetoXorgammaradiationofenergybetween50keVand7MeV.Theequipmentisintendedprimarilyforthepurposeofradiologicalprotection,andmayplayanauxiliaryorindirectroleintheachievementormaintenanceofnuclearplantsafety.Instrumentsmeasuringoveramorelimitedenergyrangefallwithinthescopeofthisstandardprovidedtheycoveratleasttherangeof80keVto1,5MeV.Assembliesofthistypearecommonlydefinedasarearadiationmonitors.Theyarenormallyemployedtodeterminecontinuouslytheradiologicalsituationinworkingareasinwhichtheradiationfieldmaychangewithtime,forexamplenuclearpowerplants,particleaccelerators,highactivelaboratories,fuelreprocessingplants,andtoprovidealarmswhentheradiationfieldgoesoutsidepredeterminedlimits.Theyarealsoemployedtoactinsafetyrelatedprotectionsystems,suchaspersonnelaccesscontrolsystemswhichallowaccesstoareaswhichcanbesubjecttoradiationfields.Thisstandardalsogivesguidanceapplicabletoequipmentforuseinpulsedradiationfields,forexample,thoseemanatingfrompulsedradiationorparticleaccelerators.Thisguidanceisimportant,sincetheoperationofthemajorityoftheequipmentdefinedbythisstandardinpulsedfieldswillgivefalsereadings.Theassembliesconsideredinthisstandardcompriseatleast:?adetectorassembly(e.g,ionizationchamber,Geiger-Mullertube,scintillationcounters,semiconductors);?ameasuringassembly,whichmaybefittedintoacentralizedpanelwhich,inthecaseofwarningassembliesandmonitors,providessignaloutputsandcontactscapableofactivatingalarmortrip/interlockcircuitsforthepurposeofradiationprotection.Thisstandardisalsoapplicabletoinstalleddoseratemeasuringassembliesdesignedforspecialapplications(e.g.veryhighdoserates).However,someoftherequirementsmayneedtobeamendedorsupplementedaccordingtotheparticularcharacteristicsofsuchassemblies.Thisstandardisnotapplicabletocriticalitymonitors.Assembliesdesignedtoperformcombinedfunctionsshouldcomplywiththerequirementspertainingtoeachofthesefunctions.Thisstandardspecifiesgeneralcharacteristics,generaltestprocedures,radiation,electrical,safety,andenvironmentalcharacteristicsandtheidentificationcertificatefortheassembliesdefinedabove.
【中国标准分类号】:F84
【国际标准分类号】:13_280
【页数】:88P.;A4
【正文语种】:


【英文标准名称】:TestMethodsforChemicalAnalysisofZincDie-CastingAlloys
【原文标准名称】:锌压铸合金的化学分析试验方法
【标准号】:ASTME47-1993
【标准状态】:现行
【国别】:美国
【发布日期】:1993
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析和试验;分析;金属;锌;合金;试验;压模铸造
【英文主题词】:diecasting;metals;zinc;alloys;testing;chemicalanalysisandtesting;analysis
【摘要】:
【中国标准分类号】:H62
【国际标准分类号】:77_120_60
【页数】:3P;A4
【正文语种】:英语