【英文标准名称】:Practiceforuseofcelluloseacetatedosimetrysystem
【原文标准名称】:纤维素乙酸酯辐射剂量测定系统的实施规程
【标准号】:BSISO15570-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-08-15
【实施或试行日期】:1999-08-15
【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】:纤维素;核辐射;辐射测量;γ辐射;乙酸酯;X射线;定义;定义;电子束;电离辐射;辐射剂量;剂量测定
【英文主题词】:Acetates;Cellulose;Definition;Definitions;Dosimetry;Electronbeams;Gamma-radiation;Ionizingradiation;Nuclearradiation;Radiationdose;Radiationmeasurement;X-rays
【摘要】:Thispracticecoversthepreparation,handling,testingandproceduresfortheuseofcelluloseacetatedosimetrysystems,andthespectromctric,densitometric,orphoto-metricreadoutequipmentformeasuringabsorbeddoseinmaterialsirradiatedbyphotonsandelectronsintermsofabsorbeddoseinwater.Note1—Celluloseacetatedosimeterreferstountintedandtintedcellulosetriacetate(CTA)orcellulosediacetate(CDA)filmdosimeter.Thispracticeappliestocelluloseacetatefilmdosime-tersthatcanbeusedwithinpartorallofthespecifiedrangesasfollows:TheabsorbeddoserangeforuntintedCTAandCDAis5×10to3×10Gyforphotonsandelectrons,TheabsorbeddoserangefortintedCTAandCDAis1×10to1×10Gyforphotonsandelectrons,TheabsorbeddoserateforbothCTAandCDAisfrom0.03to3×10Gy/s,Theradiationenergyrangeforphotonsisfrom0.1to50MeV,andTheradiationenergyrangeforelectronsisfrom0.2to50MeV.Note2—Incaseswherelow-energyelectronsandchargedparticlescannotcompletelypenetratethethicknessofstandardCTAandCDAfilms,thinfilmsmaybeused(1,2).Theirradiationtemperaturerangeisfrom-10to70℃.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:17_240
【页数】:16P;A4
【正文语种】:英语


【英文标准名称】:StandardGuideforMetallographicSamplePreparationofCementedTungstenCarbides
【原文标准名称】:硫化钨硬质合金金相样品的制备标准指南
【标准号】:ASTMB665-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:B09.06
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:cementedcarbides;cementedtungstencarbides;microstructure;Aluminumalloys;Aluminumcastings;Cementedcarbides;Marking;Metallographicpreparation;Samplepreparation;Tungstencarbide
【摘要】:ThissamplepreparationproceduremaybeusedtopreparemetallographicsamplesforTestMethodB657andPracticeB390.Itdoesnotincludeallvariationsofsamplepreparation.1.1Thisguideprescribesamethodforpreparingcementedcarbidesformetallographicexamination.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H16
【国际标准分类号】:77_160
【页数】:2P.;A4
【正文语种】:英语