您的位置: 标准下载 » 协会标准 » ASTM 美国材料与试验协会 »

ASTM E1255-2009 放射线透视的标准实施规程

作者:标准资料网 时间:2024-05-02 23:02:00  浏览:8545   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:StandardPracticeforRadioscopy
【原文标准名称】:放射线透视的标准实施规程
【标准号】:ASTME1255-2009
【标准状态】:现行
【国别】:美国
【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】:E07.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:analog;detector;digital;display;examination;image;manipulator;processor;radioscopy;source;Automatedprocedures;Calibration--radiographic/radioscopicanalysisinstrumentation;Detectors;Informationstorageandretrieval;Manipulatio
【摘要】:Aswithconventionalradiography,radioscopicexaminationisbroadlyapplicabletoanymaterialorexaminationobjectthroughwhichabeamofpenetratingradiationmaybepassedanddetectedincludingmetals,plastics,ceramics,composites,andothernonmetallicmaterials.Inadditiontothebenefitsnormallyassociatedwithradiography,radioscopicexaminationmaybeeitheradynamic,filmlesstechniqueallowingtheexaminationparttobemanipulatedandimagingparametersoptimizedwhiletheobjectisundergoingexamination,orastatic,filmlesstechniquewhereintheexaminationpartisstationarywithrespecttotheX-raybeam.Thedifferentiationtosystemswithdigitaldetectorarrays(DDAs)istheuseofananalogcomponentsuchasanelectro-opticdeviceorananalogcamera.Recenttechnologyadvancesintheareaofprojectionimaging,cameratechniques,anddigitalimageprocessingprovideacceptablesensitivityforawiderangeofapplications.Ifnormalvideoratesarenotadequatetodetectfeaturesofinterestthenaveragingtechniqueswithnomovementofthetestobjectshallbeused.1.1Thispracticeprovidesapplicationdetailsforradioscopicexaminationusingpenetratingradiation.Thisincludesdynamicradioscopyandforthepurposesofthispractice,radioscopywherethereisnomotionoftheobjectduringexposure(referredtoasstaticradioscopicimaging)bothusingananalogcomponentsuchasanelectro-opticdeviceoranalogcamera.Sincethetechniquesinvolvedandtheapplicationsforradioscopicexaminationarediverse,thispracticeisnotintendedtobelimitingorrestrictive,butrathertoaddressthegeneralapplicationsofthetechnologyandtherebyfacilitateitsuse.RefertoGuidesE94andE1000,TerminologyE1316,PracticeE747,PracticeE1025,TestMethodE2597,andFed.Std.Nos.21CFR1020.40and29CFR1910.96foralistofdocumentsthatprovideadditionalinformationandguidance.1.2Thegeneralprinciplesdiscussedinthispracticeapplybroadlytopenetratingradiationradioscopicsystems.However,thisdocumentiswrittenspecificallyforusewithX-rayandgamma-raysystems.Otherradioscopicsystems,suchasthoseemployingneutrons,willinvolveequipmentandapplicationdetailsuniquetosuchsystems.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificsafetystatements,seeSection8andFed.Std.Nos.21CFR1020.40and29CFR1910.96.A1.1.1Purpose8212;ThisannexistobeusedinconjunctionwithPracticesE1255andE1742.Itpermitstheuseofandgivesguidanceontheimplementationofradioscopicexaminationformaterials,components,andassemblies,whenspecifiedinthecontractdocuments.Theradioscopicrequirementsdescribedhereinallowtheuseofradioscopyfornewapplicationsaswellastoreplaceradiographywhenexaminationcoverage,greaterthroughput,orimprovedexaminationeconomicscanbeobtained,providedasatisfactorylevelofimagequalitycanbedemonstrated.A1.1.2Application8212;Thisannexprovidesguidelinesforawrittenpracticeasrequiredin3.2and5.2.1ofPracticeE1255.ShouldtherequirementsinthisannexconflictwithanyotherrequirementsofPracticeE1255,thenAnnexA1takesprecedence.Therequirementsofthisannexareintendedtocontrolthequal......
【中国标准分类号】:N78
【国际标准分类号】:77_040_20
【页数】:11P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:Safetyofmachinery-Systemofauditoryandvisualdangerandinformationsignals;GermanversionEN981:1996
【原文标准名称】:机械安全性.声光报警信号和信息信号系统
【标准号】:DINEN981-1997
【标准状态】:作废
【国别】:德国
【发布日期】:1997-01
【实施或试行日期】:1997-01-01
【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】:警告装置;危险信号;信号;定义;安全色;可视信号;指示灯;声信号;安全要求;规范(验收);人类工效学;安全;信息;机器
【英文主题词】:Acousticsignals;Audiblesignal;Colour-lightsignals(railways);Dangersignals;Definition;Definitions;Design;Ergonomics;Indicatorlights;Information;Lightsignals;Machines;Safety;Safetycolours;Safetyofmachinery;Safetyrequirements;Signals;Specification(approval);Visualsignals;Warningdevices
【摘要】:Thedocumentisapplicabletoallkindsofdangersignals.Forcaseswhenlightsignalsaretobeusedcomplementarytosoundsignals,charactersarestatedforboth.Thesignalsshallbeclearlyperceivedanddifferentiated.#,,#
【中国标准分类号】:C65
【国际标准分类号】:13_110
【页数】:8P;A4
【正文语种】:德语


【英文标准名称】:Productioninopticalengineering;ultrasoniccleaningmachines;cleaningracks,adjustableform
【原文标准名称】:光学技术加工.超声波清洗机.可调式清洗架
【标准号】:DIN58747-3-1983
【标准状态】:作废
【国别】:德国
【发布日期】:1983-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:超声;超声波学;光学仪器;清洁设备;光学;尺寸;超声波清洗;加工工艺;光学加工;加工设备
【英文主题词】:ultrasound;ultrasoniccleaning;ultrasonics;productionequipment;opticalinstruments;productionprocesses;productioninopticalengineering;plantsforcleaning;optics;dimensions
【摘要】:
【中国标准分类号】:J59
【国际标准分类号】:37_020
【页数】:4P;A4
【正文语种】:德语