QJ 1962.3-1990 简易通用冲孔模 模柄
时间:2024-05-16 12:50:59 来源: 标准资料网 作者：标准资料网 阅读：8766
基本信息
| 标准名称： | 简易通用冲孔模 模柄 |
| 中标分类： |
航空、航天 >>
航空器与航天器制造用设备 >>
模具 |
| ICS分类： |
机械制造 >>
无屑加工设备 >>
模制设备和铸造设备
|
| 发布日期： | 1990-02-13 |
| 实施日期： | 1990-12-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 4页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 航空 航天 航空器与航天器制造用设备 模具 机械制造 无屑加工设备 模制设备和铸造设备
【英文标准名称】:StandardGuideforWorldwidePublishedStandardsRelatingtoParticleandSprayCharacterization
【原文标准名称】:与颗粒和喷雾特征相关的世界范围公布标准的标准指南
【标准号】:ASTME1919-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:E29.03
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:评定;粒子分析;颗粒
【英文主题词】:centrifugalsedimentation;classification;density;electricalsensing;gravitysedimentation;imageanalysis;laserdiffraction;particlesize;particlecharacterization;photoncorrelationspectroscopy;poresizedistribution;porosity;representationandtreatmentofdata;sieving;singleparticlelightinteraction;smallanglex-rayscatteringandsampling;surfaceareameasurement
【摘要】:Reportedparticlesizemeasurementisafunctionofboththeactualdimensionand/orshapefactoraswellastheparticularphysicalorchemicalpropertiesoftheparticlebeingmeasured.Cautionisrequiredwhencomparingdatafrominstrumentsoperatingondifferentphysicalorchemicalparametersorwithdifferentparticlesizemeasurementranges.Sampleacquisition,handlingandpreparationcanalsoaffectreportedparticlesizeresults.1.1Thisguidecoverstheawarenessanduseofavailablestandardmethodsforcharacterizingsolidandliquidparticles,andprovidesinformationforsubsequentevaluationandstandardization.1.2Theprincipalpurposeofthisguideistheidentificationofparticlecharacterizationstandardmethodsthathavebeendevelopedandpublishedbyvariousstandardsorganizationsworldwide.Althoughthisisanextensivelistofmethods,itisnotallinclusive.WDworkingdrafts,CDcommitteedrafts,DISdraftInternationalStandardsandFDISfinalDraftInternationalStandardsmaynotbecompleteddocuments.Thesestandardshavebeendividedintothefollowingtwelvesectionsrelatedtoparticlecharacterization.Section1-RepresentationandTreatmentofDataSection2-Sedimentation,Classification,GravityandCentrifugalMethodsSection3-SurfaceAreaandPorosityMeasurementMethodsSection4-SievingMethodsSection5-ElectricalSensingMethodsSection6【英文标准名称】:StandardGuideforPerformanceCharacterizationofDosimetersandDosimetrySystemsforUseinRadiationProcessing
【原文标准名称】:辐射处理用剂量计和剂量测量系统性能特征描述的标准指南
【标准号】:ASTME2701-2009
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:absorbeddose;designofexperiments;dosimeter;dosimetrysystem;electronbeam;gammaradiation;influencequantity;ionizingradiation;irradiation;performancecharacterization;photons;radiationprocessing;X-radiation
【摘要】:Ionizingradiationproducesphysicalorchemicalchangesinmanymaterialsthatcanbemeasuredandrelatedtoabsorbeddose.Materialswithradiation-inducedchangesthathavebeenthoroughlystudiedcanbeusedasdosimetersinradiationprocessing.Note38212;Thescientificbasisforcommonlyuseddosimetrysystemsanddetaileddescriptionsoftheradiation-inducedinteractionsaregiveninICRUReport80.Beforeamaterialcanbeconsideredforuseasadosimeter,certaincharacteristicsrelatedtomanufactureandmeasurementofitsresponsetoionizingradiationneedtobeconsidered,including:theabilitytomanufacturebatchesofthematerialwithevidencedemonstratingareproducibleradiation-inducedchange,nbsp;nbsp;nbsp;theavailabilityofinstrumentationformeasuringthischange,andtheabilitytotakeintoaccounteffectsofinfluencequantitiesonthedosimeterresponseandonthemeasuredabsorbed-dosevalues.Dosimeter/dosimetrysystemcharacterizationisconductedtodeterminetheperformancecharacteristicsforadosimeter/dosimetrysystemrelatedtoitscapabilityformeasuringabsorbeddose.Theinformationobtainedfromdosimeter/dosimetrysystemcharacterizationincludesthereproducibilityofthemeasuredabsorbed-dosevalue,theusefulabsorbed-doserange,effectsofinfluencequantities,andtheconditionsunderwhichthedosimeterscanbecalibratedandusedeffectively.Note48212;Whendosimetrysystemsarecalibratedundertheconditionsofuse,effectsofinfluencequantitiesmaybeminimizedoreliminated,becausetheeffectscanbeaccountedfororincorporatedintothecalibrationmethod(seeISO/ASTMGuide51261).nbsp;nbsp;nbsp;Theinfluencequantitiesofimportancemightdifferfordifferentradiationprocessingapplicationsandfacilities.Forreferencestostandardsdescribingdifferentapplicationsandfacilities,seePracticeE2628.ClassificationofadosimeterasatypeIdosimeteroratypeIIdosimeter(seePracticeE2628)isbasedonperformancecharacteristicsrelatedtotheeffectsofinfluencequantitiesobtainedfromdosimeter/dosimetrysystemcharacterization.nbsp;nbsp;nbsp;Thedosimetermanufacturerorsupplierisresponsibleforprovidingaproductthatmeetstheperformancecharacteristicsdefinedinproductspecifications,certificatesofconformance,orsimilartypesofdocuments.Dosimeterspecificationsshouldbedevelopedbasedondosimeter/dosimetrysystemcharacterization.Theuserhastheresponsibilityforensuringthatthedosimetryrequirementsforthespecificapplicationsaremetandthatdosimeter/dosimetrysystemcharacterizationinformationhasbeenconsideredin:determiningthesuitabilityofthedosimeterordosimetrysystemforthespecificapplication(seePracticeE2628),nbsp;nbsp;nbsp;selectingthecalibrationmethod(seeISO/ASTMGuide51261),establishingdosimetrysystemoperationalprocedures(seerespectivedosimetrysystempracticelistedinPracticeE2628),andnbsp;nbsp;nbsp;estimatingtheuncertaintycomponentsinthemeasureddosevalues(seeISO/ASTMGuide51707).Dosimeter/dosimetrysystemcharacterizationinformationprovidedbymanufacturersorsuppliers,oravailableintheliterature,shouldbereviewedbytheusertodeterminetheteststhatshouldbeperformedpriortotheuseofthedosimeterordosimetrysystem.Informationonperformancecharacteristicsshouldbeverifiedbeforeusing.1.1Thisguideprovidesguidanceondeterminingtheperformancecharacteristicsofdosimetersanddosimetrysystemsusedinradiationprocessing.1.2Thisguidedescribestheinfl......
【中国标准分类号】:F74
【国际标准分类号】:17_240
【页数】:10P.;A4
【正文语种】: