ANSI ISO 9069-1988 信息处理.SGML支持设施.INCITS采纳的SGML文件交换格式(SDIF)
时间:2024-05-10 17:54:15 来源: 标准资料网 作者：标准资料网 阅读：9567
【英文标准名称】:InformationProcessing-SGMLSupportFacilities-SGMLDocumentInterchangeFormat(SDIF)AdoptedbyINCITS
【原文标准名称】:信息处理.SGML支持设施.INCITS采纳的SGML文件交换格式(SDIF)
【标准号】:ANSIISO9069-1988
【标准状态】:现行
【国别】:美国
【发布日期】:1988-09-15
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiesadatastructureknownastheSGMLDocumentInterchangeFormat(SDIF).SDIFenablesadocumentconformingtoISO8879,whichmightbestoredinseveralentities,tobepackedintoadatastreamforinterchangeinamannerthatwillpermittherecipienttoreconstitutetheseparateentities.SDIFalsoallowsrelateddocumentstobeincludedinthedatastream,suchascoveringletters,transmittalforms,catalogcards,formattingprocedures,orthe"documentprofile"requiredbyadocumentarchitecture.
【中国标准分类号】:L76
【国际标准分类号】:35_240_30
【页数】:
【正文语种】:英语
【英文标准名称】:Hazardandoperabilitystudies(HAZOPstudies)-Applicationguide
【原文标准名称】:危害和可操作研究.应用指南
【标准号】:BSIEC61882-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-08-28
【实施或试行日期】:2001-08-28
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:使用条件;手册;研究;危险场所分类(电气设备用);危害评价;研究方法;危害
【英文主题词】:Definition;Definitions;Electricalengineering;Hazardousareasclassification(forelectricalequipment);Hazards;Operatability;Reliability
【摘要】:ThisInternationalStandardprovidesaguideforHAZOPstudiesofsystemsutilizingthespecificsetofguidewordsdefinedinthisdocument.ItalsogivesguidanceonapplicationofthetechniqueandontheHAZOPstudyprocedure,includingdefinition,preparation,examinationsessionsandresultingdocumentationandfollow-up.Documentation,aswellasabroadsetofexamplesencompassingvariousindustries,illustratingHAZOPexaminationisalsoprovided.
【中国标准分类号】:C66
【国际标准分类号】:29_020
【页数】:60P;A4
【正文语种】:英语
【英文标准名称】:Magneticresonanceequipmentformedicalimaging-Determinationofessentialimagequalityparameters
【原文标准名称】:医疗成象磁共振设备.成像质量基本参数的测定
【标准号】:BSEN62464-1-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-07-31
【实施或试行日期】:2007-07-31
【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】:验收检验;验收试验;稳定性测试;定义;诊断(医学);电气工程;电医学;图例;图象增强器;图象质量;成象;检验;磁共振设备;测量技术;医疗器械;医疗放射照相术;医学科学;医疗技术学;质量;质量保证;质量要求;射线摄影;辐射摄影术;辐射学;射线检查;额定值;安全工程;扫描方法;测试;测试条件;X射线;X射线仪;X射线设备;X射线检验;X射线技术
【英文主题词】:Acceptanceinspection;Acceptancetests;Constancytesting;Definition;Diagnosis(medical);Electricalengineering;Electromedicine;Illustrations;Imageintensifiers;Imagequality;Imaging;Inspection;Magneticresonanceequipment;Measuringtechniques;Medicalinstruments;Medicalradiography;Medicalsciences;Medicaltechnology;Quality;Qualityassurance;Qualityrequirements;Radiographs;Radiography;Radiology;Radioscopy;Ratings;Safetyengineering;Scanningmethods;Testing;Testingconditions;X-ray;X-rayapparatus;X-rayequipment;X-rayexamination;X-raytechnique;X-rays
【摘要】:ThisinternationalstandardspecifiesmeasurementproceduresforthedeterminationofmanyessentialmedicalMREQUIPMENTimagequalityparameters.Measurementproceduresasaddressedinthisstandardaresuitablefor:-qualityassessmentintheACCEPTANCETEST;-qualityassuranceintheCONSTANCYTEST.Inaddition,themeasurementproceduresspecifiedinthisstandardmayalsobeusefulfortypetests,althoughthatisnotanobjectiveofthisstandard.Thisstandarddoesnotaddress:-requiredlevelsofperformanceforACCEPTANCETESTandCONSTANCYTEST;-imagequalityassessmentofhighfieldMREQUIPMENTgreaterthan4T,ifnototherwisestated;-imagequalityaffectedbyMR-compatibilityissues;-specialdiagnosticproceduressuchasflowimaging,perfusion,diffusion,radiotherapyandimage-guidedtherapyapplications;-typetests.ThescopeofthisstandardisalsolimitedtomeasuringimagequalitycharacteristicsinTESTDEVICES,notinPATIENTimages.Themeasurementproceduresspecifiedinthisstandardaredirectedto:a)MANUFACTURERS,whocandemonstratecompliancebyperformingacceptanceandconstancymethodsasdescribedbythisstandard,b)testhouses,whichcanconfirmperformanceofMREQUIPMENTusingmethodsdescribedinthisstandard,c)regulatoryauthorities,whocanreferencethisstandard,andd)RESPONSIBLEORGANISATIONSwhowanttoperformACCEPTANCEandCONSTANCYTESTSusingmethodsdescribedinthisstandard.Theessentialimagequalityparametersandmeasurementmethodologiesdefinedinthisstandardare:-SIGNAL-TO-NOISERATIO,-UNIFORMITY,-SLICETHICKNESSandSLICEPROFILE,-GEOMETRICDISTORTION,-SPATIALRESOLUTION,and-ghosting.Thisstandarddescribesthepreferredmeasurementprocedures.ItalsodescribesalternativemethodsinAnnexA.Thepreferredtestmethodsmaybesubstitutedwiththealternativemethods.Ifnecessary,othermethodsnotdescribedinthisstandardmaybeused,providedtheseothertestmethodsaredocumentedandvalidatedagainstthemethodsdescribedinthestandard.Validationofothertestmethodsrequiresananalysisoftestsensitivitytothesameparameterofinterestandananalysisoftheinsensitivityofthetesttootherunrelatedparametersandshoulddemonstrateasimilar,orbetter,levelofsensitivitytothesameparameterofinterestandasimilar,orbetter,levelofrobustnessagainstunrelatedparameters.Allmethodsshallproducequantitativeresults.Therationaletothepreferredandalternatemethods,andtheirpitfalls,aredescribedinAnnexB.ThisstandardalsopresentsrequirementsforCONSTANCYTESTSsuitableforMREQUIPMENTqualityassuranceprogramsconcerningessentialimagequalityparameters.TherearenopreferredCONSTANCYTESTmethods,toprovideflexibilityinusingexistingautomatedprocedureswhereavailable,butsuggestedexamplesoftestmethodsarefoundinAnnexA.Ifnecessary,otherCONSTANCYTESTmethodsnotdescribedinthisstandardmaybeused.SincetheneedsofRESPONSIBLEORGANISATIONS'qualityassuranceprogramsmayvary,RESPONSIBLEORGANISATIONSareencouragedtodeterminethenecessaryscopeoftests,qualityofthetests,andthesensitivityofthedataanalysisetc.Thisstandardplacesanemphasisonconsistentlyrepeatable,automatedmeasuringtoolsthatfacilitatetrendanalysisandthefrequentquicktestingofasmallsetofimportantparameterswhicharesensitivetotheoveralloperatingcharacteristicsoftheMREQUIPMENT.
【中国标准分类号】:C43
【国际标准分类号】:11_040_50
【页数】:82P.;A4
【正文语种】:英语