ISO 11363-1 Technical Corrigendum 2-2012 气缸.气缸与阀门连接用17E与25E锥螺纹.第1部分:规范;技术勘误2
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【英文标准名称】:Gascylinders-17Eand25Etaperthreadsforconnectionofvalvestogascylinders-Part1:Specifications;TechnicalCorrigendum2
【原文标准名称】:气缸.气缸与阀门连接用17E与25E锥螺纹.第1部分:规范;技术勘误2
【标准号】:ISO11363-1TechnicalCorrigendum2-2012
【标准状态】:现行
【国别】:国际
【发布日期】:2012-01-01
【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/TC58
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Cones;Connectingdimensions;Connections;Dimensions;Drawingof;Gascylinders;Gasholders;Gaspressuregovernors;Gasvalves;Gases;Liquefiedpetroleumgas;Marking;Pressurevessels;Right-handscrewthreads;Screwthreadprofiles;Specification;Specification(approval);Taking-out;Taperthreads;Threadpitch;Thread-connections;Threads;Tolerances(measurement);Valves
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:23_020_30
【页数】:1P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforUseofThermoluminescence-Dosimetry(TLD)SystemsforRadiationProcessing
【原文标准名称】:辐射加工用热致发光剂量测定(TLD)系统使用的标准实施规程
【标准号】:ASTMISO/ASTM51956-2005
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:E10.01
【标准类型】:(ISO/ASTM)
【标准水平】:()
【中文主题词】:
【英文主题词】:absorbeddose;dosimetermeasurement;radiationprocessing;thermoluminescencedosimeter;thermoluminescencedosimetrysystem;TLD;ICS
【摘要】:4.1Duringtheirradiationofcertaincrystallinematerials,forexample,LiF,CaF2,CaSO4,Li2B4O7,andAl2O3,thefillingofelectronandholetrapsbetweenthegroundstateandtheconductionbandresultsinstoredenergythatcanbereleasedasfluorescenceduringheating.Thermoluminescencedosimetrysystemsprovideameansofdeterminingabsorbeddosetomaterialsbymeasuringthisfluorescencebythecontrolledheatingoftheirradiatedcrystallinematerial.4.2Thermoluminescencedosimeters(TLDs)areavailablefromdifferentcommericialsuppliersindifferentformssuchasloosepowder,chipsorcrystalsencapsulatedinglassorplastic.4.3TLDscanbereusedbysubjectingtheirradiatedTLDstoanannealingprocessatahighertemperaturetoreleasealltheelectronandholetraps.4.4Inradiationprocessing,TLDsaremainlyusedintheirradiationofbloodproducts(seeISO/ASTMPractice51939),food(seeISO/ASTMPractices51204and51431),andinsectsforsterileinsectreleaseprograms(seeISO/ASTMGuide51940).TLDsmayalsobeusedinotherradiationprocessingapplicationssuchasthesterilizationofmedicalproducts,modificationofpolymers,irradiationofelectronicdevices,andcuringofinks,coatingsandadhesives.(SeeRefs(1,2)4andISO/ASTMPractices51608,51649,and51702).4.5Forradiationprocessing,theabsorbed-doserangeofinterestisfrom1Gyto100kGy.SomeTLDscanbeusedinapplicationsrequiringmuchlowerabsorbeddoses(forexample,forpersonneldosimetry),butsuchapplicationsareoutsidethescopeofthispractice.ExamplesofTLDsandapplicabledoserangesaregiveninTable1.FurtherinformationonvarioustypesofTLDsandtheirapplicationscanbefoundinRefs(3-8).4.6Regulationsforsterilizationofmedicalproducts,irradiationofbloodproducts,andradiationprocessingoffoodexistinmanycountries.Theseregulationsmayrequirethatthedosimetrysystembecalibratedwithtraceabilitytonationalstandards(9,10,11,12).Adequatedosimetry,withproperstatisticalcontrolsanddocumentation,isnecessarytoensurethattheproductsareproperlyprocessed.4.7Properdosimetricmeasurementsshallbeemployedtoensurethattheproductreceivesthedesiredabsorbeddose.ThedosimetersshallbecalibratedasoutlinedinSection8.Allpossiblefactorsthatmayaffecttheresponseofdosimeters,includingenvironmentalconditionsandvariationsofsuchconditionswithinaprocessingfacility,shouldbeknownandtakenintoaccount.Theassociatedmeasurementinstrumentationshallalsobecalibrated.1.1Thispracticecoversproceduresfortheuseofthermoluminescencedosimeters(TLDs)todeterminetheabsorbeddoseinmaterialsirradiatedbyphotonsorelectronsintermsofabsorbeddosetowater.1.2Thispracticecoverssystemsthatpermitabsorbeddosemeasurementsunderthefollowingconditions:1.2.1Theabsorbed-doserangeisfrom1Gyto100kGy.1.2.2Theabsorbed-doserateisbetween1102and11010Gys1.1.2.3Theradiation-energyrangeforphotonsandelectronsisfrom0.1to50MeV.1.3Absorbeddoseandabsorbed-doseratemeasurementsinmaterialssubjectedtoneutronirradiationarenotcoveredinthispractice.1.4ProceduresfortheuseofTLDsfordeterminingabsorbeddoseinradiation-hardnesstestingofelectronicdevicesaregiveninASTMPracticeE668.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:
【页数】:9P.;A4
【正文语种】:英语
【英文标准名称】:Measurementofquartzcrystalunitparameters-MethodforthemeasurementoftheloadresonancefrequencyfL,loadresonanceresistanceRLandthecalculationofotherderivedvaluesofquartzcrystalunits,upto30MHz
【原文标准名称】:石英晶体元件参数测量.第4部分:30MHz以下石英晶体元件负荷谐振频率fL.负荷谐振电阻R1测量方法,以及石英晶体元件其他导出值计算方法
【标准号】:BSEN60444-4-1993
【标准状态】:现行
【国别】:英国
【发布日期】:1993-08-15
【实施或试行日期】:1993-08-15
【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】:电容测量;电路网络;测量用连接件;晶体(电子);电气工程;误差分析;测量误差;频率;负荷;测量;测量技术;参数;相位测量(电);谐振阻抗;共振频率;零相位;零位法
【英文主题词】:Capacitancemeasurement;Circuitnetworks;Connectionsformeasurement;Crystals(electronic);Electricalengineering;Erroranalysis;Errorsinmeasuring;Frequencies;Loading;Measurement;Measuringtechniques;Parameters;Phasemeasurement(electric);Resonanceresistance;Resonantfrequency;Zerophase;Zero-method
【摘要】:
【中国标准分类号】:L21
【国际标准分类号】:31_140
【页数】:26P.;A4
【正文语种】:英语
