DIN EN ISO 15749-3-2004 船舶和海上技术.船舶和海上建筑物排水系统.第3部分:真空系统用卫生排水和排水管道
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【英文标准名称】:Shipsandmarinetechnology-Drainagesystemsonshipsandmarinestructures-Part3:Sanitarydrainage,drainpipingforvacuumsystems(ISO15749-3:2004);GermanversionENISO15749-3:2004
【原文标准名称】:船舶和海上技术.船舶和海上建筑物排水系统.第3部分:真空系统用卫生排水和排水管道
【标准号】:DINENISO15749-3-2004
【标准状态】:现行
【国别】:德国
【发布日期】:2004-09
【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】:重力;船用管道系统;污物(卫生器具);真空系统;粪便竖管;近海建设工程;地面排水工程;海轮;尺寸;管道;设计;管道敷设;排水;排水管;污水排水;管;造船;卫生;真空的;海船;定义;卫生设施
【英文主题词】:
【摘要】:Thisstandardappliestothedesignofsanitarydrainlinesinvacuumsystemsonshipsandmarinestructures.ForplanningandbasicrequirementsseeISO15749-1.
【中国标准分类号】:U50
【国际标准分类号】:47_020_30
【页数】:26P;A4
【正文语种】:德语
【英文标准名称】:StandardSpecificationforTantalumandTantalumAlloyIngots
【原文标准名称】:钽及钽合金铸锭标准规范
【标准号】:ASTMB364-1996(2002)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:B10.03
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:核技术;钽;有色金属;钽合金;合金;核能;铸锭
【英文主题词】:chemistry;mechanicalproperties;tantalum;tantalumalloy
【摘要】:1.1Thisspecificationcoversunalloyedandalloyedtantalumingotspreparedbyvacuum-arcmelting,electron-beammelting,orpowder-metallurgyconsolidationtoproduceconsolidatedmetalforprocessingtovariousmillshapes.1.2Thematerialscoveredbythisspecificationare:1.2.1R05200,unalloyedtantalum,electron-beamfurnaceorvacuum-arcmelt,orboth,1.2.2R05400,unalloyedtantalum,powder-metallurgyconsolidation,1.2.3R05255,tantalumalloy,90%tantalum10%tungsten,electron-beamfurnaceorvacuum-arcmelt,orboth,1.2.4R05252,tantalumalloy,97.5%tantalum2.5%tungsten,electron-beamfurnaceorvacuum-arcmelt,orboth,and,1.2.5R05240tantalumalloy,60%tantalum40%columbium,electron-beamfurnaceorvacuum-arcmelt,orboth.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.
【中国标准分类号】:H63
【国际标准分类号】:77_150_99
【页数】:2P.;A4
【正文语种】:
【英文标准名称】:StandardTestMethodforMeasurementofRadioFrequencyInducedHeatingNearPassiveImplantsDuringMagneticResonanceImaging
【原文标准名称】:磁共振成像时测量射频感应加热接近被动性植入物的标准试验方法
【标准号】:ASTMF2182-2009
【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】:F04.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:implant;MRI(magneticresonanceimaging);MRsafety;RF(radiofrequency)heating;MRI(magneticresonanceimaging);Passiveimplants;RF-inducedtemperaturerise;RF(radiofrequency)receivers;Specificabsorptionrate(SAR);Wholebodymagneticres
【摘要】:ThistestmethoddescribesatestprocedureforevaluatingtheRF-inducedtemperatureriseassociatedwithanMRprocedureinvolvingaspecificfrequencyofRFirradiationofanimplant.Theheatingmeasurementsaremadetwice,oncewiththeimplantandthenrepeatedatthesamelocationwithouttheimplant.ThesetwomeasurementsestimatethelocalSARandthelocaladditionaltemperaturerisewiththeimplant.Ifthereisasignificanttemperatureriseassociatedwiththeimplant,theresultsmaybeusedasaninputtoacomputationalmodelforestimatingtemperatureriseinapatient.ThecombinationofthetestresultsandthecomputationalmodelresultsmaythenbeprovidedtoregulatorybodiesandphysicianstoassessthesafetyofapatientwiththeimplantduringanMRscan.1.1Thistestmethodcoversmeasurementofradiofrequency(RF)inducedheatingonornearapassivemedicalimplantanditssurroundingsduringmagneticresonanceimaging(MRI).1.2ThistestmethodisoneofthoserequiredtodetermineifthepresenceofapassiveimplantmaycauseinjurytothepatientwiththeimplantduringanMRprocedure.Othersafetyissuesthatshouldbeaddressedincludemagneticallyinduceddisplacementforceandtorque.1.3TheamountofRF-inducedtemperatureriseforagivenspecificabsorptionrate(SAR)willdependontheRFfrequency,whichisdependentonthestaticmagneticfieldstrengthoftheMRsystem.Becauseofpossibleadditionalheating,particularlywhenimplantdimensionsapproachesorexceedsonequarterofthewavelengthoftheRFfieldinsidethephantom,conclusionsfrommeasurementsmadeatonestaticmagneticfieldstrengthdonotapplytootherfieldstrengthsandfrequencies.Whilethefocusinthistestmethodison1.5Tor3TeslacylindricalboreMRsystems,theRF-inducedtemperatureriseforanimplantinopenMRsystemscanbeevaluatedbysuitablemodificationofthemethoddescribedherein.1.4Thistestmethodassumesthattestingisdoneondevicesthatwillbeentirelyinsidethebody.Forotherimplantationconditions(forexample,externalfixationdevices,percutaneousneedles,cathetersortethereddevicessuchasablationprobes),modificationsofthistestmethodarenecessary.1.5Thistestmethodappliestowholebodymagneticresonanceequipment,asdefinedinsection2.2.103oftheIECStandard60601-2-33,Ed.2.0,withawholebodyRFtransmitcoilasdefinedinsection2.2.100.TheRFcoilisassumedtohavequadratureexcitation.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C45
【国际标准分类号】:11_040_40
【页数】:12P.;A4
【正文语种】:英语
