【英文标准名称】:SpecificationforFineSilverElectricalContactFabricatedMaterial
【原文标准名称】:电焊接点用已加工优质银材料规范
【标准号】:ANSI/ASTMB742-1990
【标准状态】:现行
【国别】:美国
【发布日期】:1990
【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】:
【标准类型】:()
【标准水平】:()
【中文主题词】:触点;银;电触点;材料
【英文主题词】:contact;materials;electriccontacts;silver
【摘要】:Thisspecificationcoversfinesilvergrade99.9%infabricatedform.Theformscoveredaretubing,rod,wire,strip,andsheetforelectricalcontactapplications.Theelectricalcontactpropertiesmayvarydependentuponthemethodofmanufacture(referto).Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinfomraitononlyandarenotconsideredstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtobecomefamiliarwithallhazards,includingthoseidentifiedintheappropriateMaterialSafetyDataSheet(MSDS)forthisproduct/materialasprovidedbythemanufacturer,toestablishappropriatesafetyandhealthpractices,anddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H68
【国际标准分类号】:77_150_10
【页数】:
【正文语种】:英语


【英文标准名称】:Evaluationandroutinetestinginmedicalimagingdepartments.Acceptancetests.ImagingperformanceofcomputedtomographyX-rayequipment
【原文标准名称】:医疗成像部门的评价及常规试验.验收试验.计算机断层摄影X射线设备的成像性能
【标准号】:BSEN61223-3-5-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-11-12
【实施或试行日期】:2004-11-12
【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;计算机断层摄影;计算机;定义(术语);交货条件;电医学;设备;斜坡(屋顶);数字;熔断器;均匀性;图例;图象质量;成象;检验;记录单;医疗放射照相术;医学放射学;医学科学;医疗技术学;参数;质量;质量保证;辐射防护;射线照片;辐射摄影术;辐射学;额定值;安全工程;扫描器;规范(验收);试件;试样;测试;X线断层摄影术;X射线;X射线仪;X射线设备
【英文主题词】:Acceptanceinspection;Computedtomography;Computers;Definitions;Deliveryconditions;Electromedicine;Equipment;Fall(roof);Figures;Fuses;Homogeneity;Illustrations;Imagequality;Imaging;Inspection;Logsheets;Medicalradiography;Medicalradiology;Medicalsciences;Medicaltechnology;Parameters;Quality;Qualityassurance;Radiationprotection;Radiographs;Radiography;Radiology;Ratings;Safetyengineering;Scanners;Specification(approval);Testpieces;Testspecimens;Testing;Tomography;X-ray;X-rayapparatus;X-rayequipment
【摘要】:ThispartofIEC61223appliestothosecomponentsofCTSCANNERSwhichinfluencetheimagequality,PATIENTdoseandpositioning.Thisstandard-definestheessentialparameterswhichdescribetheperformanceoftheCTSCANNERSwithregardtoimagequality,PATIENTdoseandpositioning;thelistofparameterstobetestedcanbefoundinsection4.4.-definesthemethodsoftestingtheessentialparameters;-evaluatescompliancewiththetolerancesoftheparametersspecifiedbytheACCOMPANYINGDOCUMENTS.Thesemethodsrelymainlyonnon-invasivemeasurements,usingappropriatetestEQUIPMENT,performedduringtheinstallationorafterithasbeencompleted.SignedstatementscoveringstepsintheinstallationproceduremaybeusedaspartoftheACCEPTANCETESTreport.ThispartofIEC61223isintendedtoassistinperformingtheACCEPTANCETESTSonaCTSCANNERTheaimistoverifycomplianceoftheinstallationwithspecificationsaffectingtheimagequality,PATIENTdoseandpositioning.Itisnotintendedtoconsider:-aspectsofmechanicalandelectricalsafety;-aspectsofmechanical,electricalandsoftwareperformance,unlesstheyareessentialforperformingtheACCEPTANCETESTSandaredirectlyaffectingimagequality,PATIENTdoseandpositioning.
【中国标准分类号】:C43
【国际标准分类号】:11_040_50
【页数】:36P;A4
【正文语种】:英语