QC/T 413-1999 汽车电气设备基本技术条件
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基本信息
| 标准名称： | 汽车电气设备基本技术条件 |
| 中标分类： |
车辆 >>
车用电子、电气设备与仪表 >>
车用电子、电气设备与仪表综合 |
| 替代情况： | 原标准号ZB T35001-1987;被QC/T 413-2002代替 |
| 发布日期： | |
| 实施日期： | 1988-06-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 10页 |
适用范围
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前言
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所属分类： 车辆 车用电子 电气设备与仪表 车用电子 电气设备与仪表综合
【英文标准名称】:StandardPracticesforThermalNeutronRadiographyofMaterials
【原文标准名称】:材料的热中子射线照相术的标准实施规程
【标准号】:ASTME748-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:E07.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:中子;无损检验;辐射摄影术
【英文主题词】:neutronattenuation;neutroncollimator;neutronradiography;neutronsources;
【摘要】:Thesepracticesincludetypesofmaterialstobeexamined,neutronradiographicexaminationtechniques,neutronproductionandcollimationmethods,radiographicfilm,andconverterscreenselection.Withinthepresentstateoftheneutronradiologicart,thesepracticesaregenerallyapplicabletospecificmaterialcombinations,processes,andtechniques.1.1Purpose8212;Practicestobeemployedfortheradiographicexaminationofmaterialsandcomponentswiththermalneutronsareoutlinedherein.Theyareintendedasaguidefortheproductionofneutronradiographsthatpossessconsistentqualitycharacteristics,aswellasaidingtheusertoconsidertheapplicabilityofthermalneutronradiology(radiology,radiographic,andrelatedtermsaredefinedinTerminologyE1316).Statementsconcerningpreferredpracticeareprovidedwithoutadiscussionofthetechnicalbackgroundforthepreference.ThenecessarytechnicalbackgroundcanbefoundinRefs(1-16).1.2Limitations8212;Acceptancestandardshavenotbeenestablishedforanymaterialorproductionprocess(seeSectiononBasisofApplication).Adherencetothepracticeswill,however,producereproducibleresultsthatcouldserveasstandards.Neutronradiography,whetherperformedbymeansofareactor,anaccelerator,subcriticalassembly,orradioactivesource,willbeconsistentinsensitivityandresolutiononlyiftheconsistencyofalldetailsofthetechnique,suchasneutronsource,collimation,geometry,film,etc.,ismaintainedthroughthepractices.Thesepracticesarelimitedtotheuseofphotographicorradiographicfilmincombinationwithconversionscreensforimagerecording;otherimagingsystemsareavailable.Emphasisisplacedontheuseofnuclearreactorneutronsources.1.3InterpretationandAcceptanceStandards8212;Interpretationandacceptancestandardsarenotcoveredbythesepractices.Designationofaccept-rejectstandardsisrecognizedtobewithinthecognizanceofproductspecifications.1.4SafetyPractices8212;GeneralpracticesforpersonnelprotectionagainstneutronandassociatedradiationpeculiartotheneutronradiologicprocessarediscussedinSection.Forfurtherinformationonthisimportantaspectofneutronradiology,refertocurrentdocumentsoftheNationalCommitteeonRadiationProtectionandMeasurement,theCodeofFederalRegulations,theU.S.NuclearRegulatoryCommission,theU.S.DepartmentofEnergy,theNationalInstituteofStandardsandTechnology,andtoapplicablestateandlocalcodes.1.5OtherAspectsoftheNeutronRadiographicProcess8212;Formanyimportantaspectsofneutronradiographysuchastechnique,files,viewingofradiographs,storageofradiographs,filmprocessing,andrecordkeeping,refertoGuideE94.(SeeSection2.)1.6ThevaluesstatedineitherSIorinch-poundunitsaretoberegardedasthestandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(Formorespecificsafetyinformationsee1.4.)
【中国标准分类号】:H26
【国际标准分类号】:19_100
【页数】:11P.;A4
【正文语种】:
【英文标准名称】:Copperforelectricalpurposes;sheetandstrip,technicaltermsofdelivery
【原文标准名称】:电工用铜.薄片和带材.交货技术条件
【标准号】:DIN40500Bb.1-1959
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:
