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SN/T 1416-2004 国境口岸灭蚊规程

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基本信息
标准名称:国境口岸灭蚊规程
英文名称:Codes of killing mosquitoes at frontier ports
中标分类: 医药、卫生、劳动保护 >> 卫生 >> 卫生检疫
ICS分类:
发布部门:中华人民共和国国家质量监督检验检疫总局
发布日期:2004-06-01
实施日期:2004-12-01
首发日期:1900-01-01
作废日期:1900-01-01
起草单位:国家认证认可监督管理委员会
出版日期:1900-01-01
页数:16开, 页数:8, 字数:10千字
适用范围

本标准规定了国境口岸进行灭蚊的要求、程序、效果评价和处置。本标准适用于国境口岸灭蚊。

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所属分类: 医药 卫生 劳动保护 卫生 卫生检疫
【英文标准名称】:MedicaldiagnosticX-rayequipment-Radiationconditionsforuseinthedeterminationofcharacetristics
【原文标准名称】:医用诊断X射线设备.测定特性时使用的辐射条件
【标准号】:IEC61267-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-11
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC62C
【标准类型】:()
【标准水平】:()
【中文主题词】:特性;定义;测定;诊断;诊断设备;电气工程;电医学;医疗设备;医疗放射照相术;医学科学;医疗技术学;照射疗法;辐射;辐射防护;辐射学;X射线仪;X射线设备;X射线装置;X射线
【英文主题词】:Characteristics;Definitions;Determination;Diagnosis;Diagnosticequipment;Electricalengineering;Electromedicine;Irradiationcondition;Medicalequipment;Medicalradiography;Medicalsciences;Medicaltechnology;Phototherapy;Radiation;Radiationprotection;Radiology;X-rayapparatus;X-rayequipment;X-rayplants;X-rays
【摘要】:ThisInternationalStandardappliestotestprocedureswhich,forthedeterminationofcharacteristicsofsystemsorcomponentsofmedicaldiagnosticX-RAYEQUIPMENT,requirewell-definedRADIATIONCONDITIONS.Exceptformammography,thisstandarddoesnotapplytoconditionswherediscontinuitiesinradiationabsorptionofelementsaredeliberatelyusedtomodifypropertiesoftheRADIATIONBEAM(forexamplebyrareearthfilters).ThemostcompletespecificationofRADIATIONFIELDSisgivenbythespectraldistributionofthephotonfluence.SincethemeasurementofX-RAYSPECTRAisademandingtask,thisstandardexpressesRADIATIONQUALITIESintermsoftheX-RAYTUBEVOLTAGE,thefirstandsecondHALFVALUELAYER.InthecaseofRADIATIONCONDITIONS,specificationsareperformedadditionallyintermsofPHANTOMpropertiesandgeometry.TheattempttocharacterizeaspectraldistributionjustbymeansoftheX-RAYTUBEVOLTAGE,thefirstandpossiblythesecondHALF-VALUELAYERisthusacompromisebetweenthemutuallyconflictingrequirementsofavoidingexcessiveeffortsforestablishingaRADIATIONQUALITYandofthecompleteabsenceofanyambiguityinthedefinitionofaRADIATIONQUALITY.DuetodifferencesinthedesignandtheageofX-RAYTUBESintermsofanodeangle,anoderougheningandINHERENTFILTRATION,twoRADIATIONQUALITIESproducedatagivenXRAYTUBEVOLTAGEhavingthesamefirstHALF-VALUELAYERcanstillhavequitedifferentspectraldistributions.GiventheinherentambiguityinthecharacterizationofRADIATIONQUALITY,itisessentialthatfurthertolerancesintroducedbyallowingcertainrangesofvalues,e.g.forX-RAYTUBEVOLTAGEandfirstHALF-VALUELAYER,mustbesufficientlysmallnottojeopardisetheunderlyingobjectiveofthisstandard.ThisstandardistoensurethatmeasurementsofthepropertiesofmedicaldiagnosticequipmentshouldproduceconsistentresultsifRADIATIONQUALITIESorRADIATIONCONDITIONSincompliancewiththisstandardareused.Toachievethisobjective,certaindegreesoffreedominthewayinwhichaRADIATIONCONDITIONcouldbeestablishedintheframeworkofthefirsteditionofthisstandardhavebeenremoved.TheessentialrestrictionintroducedinthissecondeditionisthattheX-RAYTUBEVOLTAGEismeasuredandsettoits'correct'value.ThesecondstepistoattempttoestablishtheprescribedfirstHALF-VALUELAYERbyaddingintothebeamthenecessaryamountofADDITIONALFILTRATION.IftheINHERENTFILTRATIONprovidedbytheX-RAYTUBEaloneissostrongthattheHALF-VALUELAYERoftheRADIATIONBEAMemergingfromtheX-RAYTUBEASSEMBLYassuchislargerthanthattobeestablished,theX-RAYTUBEASSEMBLYusedisnotsuitedforproducingthedesiredRADIATIONCONDITION.ThismayoccuriftheanodeangleoftheX-RAYTUBEASSEMBLYistoosmalland/orinthecaseofexcessiveanoderougheningduetotubeageing.IntheapproachoutlinedinthetwoprecedingparagraphstheX-RAYTUBEVOLTAGEplaysadecisiverole.Itisthereforeessentialthatthe‘correct’X-raytubevoltageischosenirrespectiveofthetypeofhighvoltagegeneratorconnectedtotheX-RAYTUBE.ThewayinwhichthisisrealizedinthisstandardisbymeasuringtheX-RAYTUBEVOLTAGEintermsofthePRACTICALPEAKVOLTAGE.ThisquantityisaweightedmeanofallvaluesoftheX-RAYTUBEVOLTAGEoccurringduringanexposure.TheweightingisdoneinsuchawaythatidenticalvaluesofthePRACTICALPEAKVOLTAGEgiveidenticalvaluesofthelowlevelcontrastonaradiographirrespectiveofthewaveformsuppliedbythegenerator.
【中国标准分类号】:C43
【国际标准分类号】:11_040_50
【页数】:94P.;A4
【正文语种】:英语


【英文标准名称】:Medicalinstruments-IntestinalforcepstypeAllis
【原文标准名称】:医疗器械.Allis型夹肠钳
【标准号】:DIN13128-2005
【标准状态】:现行
【国别】:德国
【发布日期】:2005-12
【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】:夹肠钳;ALLIS;医学科学;公共卫生;尺寸;公差(测量);外科设备;外科钳镊;外科学;肠;精密机械;仪器;医疗器械;重量
【英文主题词】:publichealth;tolerances(measurement);weights;dimensions;forceps;instruments;medicalsciences;finemechanics;allis;intestinalforceps;surgicalequipment;surgery;medicalinstruments;intestines
【摘要】:TheprojectdefinesdimensionsandmarkingofintestinalforcepstypeAllis,asusedinpublichealthserviceandarmedforces.#,,#
【中国标准分类号】:C31
【国际标准分类号】:11_040_30
【页数】:5P;A4
【正文语种】:德语