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ISO/TS 24348-2007 眼科光学.眼镜架.从金属和合成眼镜架中释放镍的磨损和探测模拟法

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【英文标准名称】:Ophthalmicoptics-Spectacleframes-Methodforthesimulationofwearanddetectionofnickelreleasefrommetalandcombinationspectacleframes
【原文标准名称】:眼科光学.眼镜架.从金属和合成眼镜架中释放镍的磨损和探测模拟法
【标准号】:ISO/TS24348-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-07
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC172
【标准类型】:()
【标准水平】:()
【中文主题词】:对视力的帮助;设计;拆开;检验;计数检查;作标记;机械特性;金属覆层;最低要求;镍;眼科设备;眼科光学;眼科学;光学仪器;光学;特性;模拟;座孔;规范(验收);眼镜架;眼镜;测试;使用寿命
【英文主题词】:Aidtovision;Design;Detachments;Inspection;Inspectionbyattributes;Marking;Mechanicalproperties;Metalcoatings;Minimumrequirements;Nickel;Ophthalmicequipment;Ophthalmicoptics;Ophthalmology;Opticalinstruments;Optics;Properties;Simulation;Sockets;Specification(approval);Spectacleframes;Spectacles(eyeglasses);Testing;Usablelife
【摘要】:ThisTechnicalSpecificationspecifiesmethodsforacceleratedwearandcorrosion,tobeusedpriortothedetectionofnickelreleasefromcoatedmetalandcombinationspectacleframes,andfordetectingthereleaseofnickelfromthosepartsofmetalandcombinationspectacleframes,whethercoatedornot,intendedtocomeintodirectandprolongedcontactwiththeskin,inordertodeterminewhethersuchpartsreleasenickelatarategreaterthan0,5μg/cm2/week.ThisTechnicalSpecificationaimstocontrolthosespectacleframesthat,ifproducedwithmaterialsand/orsurfacetreatmentscontainingnickel,canbewornbynickel-sensitizedpersons.
【中国标准分类号】:C32
【国际标准分类号】:11_040_70
【页数】:23P.;A4
【正文语种】:英语


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基本信息
标准名称:化学试剂 碳酸钙
英文名称:Chemical reagent Calcium carbonate
中标分类: 化工 >> 化学试剂 >> 一般无机试剂
ICS分类: 化工技术 >> 分析化学 >> 化学试剂
替代情况:HG 3-1066-1977
发布部门:国家技术监督局
发布日期:1995-12-20
实施日期:1996-08-01
首发日期:1995-12-22
作废日期:1900-01-01
主管部门:中国石油和化学工业协会
提出单位:中华人民共和国化学工业部
归口单位:北京化学试剂总厂
起草单位:上海化学试剂研究所
起草人:姜维凤
出版社:中国标准出版社
出版日期:1996-08-01
页数:5页
适用范围

本标准规定了化学试剂碳酸钙的技术要求、试验方法、检验规则和包装及标志。本标准适用于化学试剂碳酸钙的检验。

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所属分类: 化工 化学试剂 一般无机试剂 化工技术 分析化学 化学试剂
【英文标准名称】:StandardTestMethodforStructuralPerformanceofExteriorWindows,Doors,SkylightsandCurtainWallsbyUniformStaticAirPressureDifference
【原文标准名称】:用统一静态气压差法测定外窗、幕墙和门结构性能的试验方法
【标准号】:ASTME330-2002(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:E06.51
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:curtainwall;deflection;deformation;distress;door;load;pressurechamber;specimen;support;window;Windows/windowassemblies;Airpressuretesting--buildingconstructions/materials;Curtainwalls;Doors/doorassemblies;Exteriordoors;Exteriorwin
【摘要】:Thistestmethodisastandardprocedurefordeterminingstructuralperformanceunderuniformstaticairpressuredifference.Thistypicallyisintendedtorepresenttheeffectsofawindloadonexteriorbuildingsurfaceelements.Theactualloadingonbuildingsurfacesisquitecomplex,varyingwithwinddirection,time,heightaboveground,buildingshape,terrain,surroundingstructures,andotherfactors.Theresistanceofmanywindows,curtainwalls,anddoorassembliestowindloadingisalsocomplexanddependsonthecompletehistoryofload,magnitude,duration,andrepetition.ThesefactorsarediscussedinASCE7andintheliterature(1-8).DesignwindvelocitiesareselectedforparticulargeographiclocationsandprobabilitiesofoccurrencebasedondatafromwindvelocitymapssuchasareprovidedinASCE7.Thesewindvelocitiesaretranslatedintouniformstaticairpressuredifferencesanddurationsactinginwardandoutward.Complexitiesofwindpressures,asrelatedtobuildingdesign,windintensityversusduration,frequencyofoccurrence,andotherfactorsmustbeconsidered.Superimposedonsustainedwindsaregustingwindswhich,forshortperiodsoftimefromafractionofasecondtoafewseconds,arecapableofmovingatconsiderablyhighervelocitiesthanthesustainedwinds.TheanalyticalproceduresinASCE7,windtunnelstudies,computersimulations,andmodelanalysesarehelpfulindeterminingtheappropriatedesignwindloadsonexteriorsurfaceelementsofbuildings.Generally,windloaddurationsobtainedfromASCE7are2to10sandaredependentuponthespecifictimereferenceemployedindeterminingthepressurecoefficients.Somematerialshavestrengthordeflectioncharacteristicsthataretimedependent.Therefore,thedurationoftheappliedtestloadmayhaveasignificantimpactontheperformanceofmaterialsusedinthetestspecimen.Themostcommonexamplesofmaterialswithtime-dependentresponsecharacteristicsthatareusedareglass,plastics,andcompositesthatemployplastics.Forthisreason,thestrengthofanassemblyistestedfortheactualtimedurationtowhichitwouldbeexposedtoasustainedoragustload,orboth,asdiscussedabove.Generally,U.S.practiceforwindloadtestinghasbeentorequireaminimumtestperiodof10sfortestloadsequaltothedesignwindloadandproofloadsequalto1.5timesthedesignwindload.Thusasafetyfactorisincorporatedinthetesting.WithtestloadsforwindhigherthanthosedeterminedbyASCE7oroflongertimedurationthan10s,thedesignermustconsiderwhatsafetyfactorsareappropriate.Fortestloadsthatrepresentdesignloadsotherthanwind,suchassnowload,considerationshallbegiventoestablishanappropriatetestperiodforbothdesignandproofloadtesting.Thisstandardisnotintendedtoaccountfortheeffectofwindbornedebrisorcyclicloads.ConsiderationofcyclicairpressuredifferentialsisaddressedinTestMethodE1233.ConsiderationofwindbornedebrisincombinationwithcyclicairpressuredifferentialrepresentingextremewindeventsisaddressedinTestMethodE1886andSpecificationE1996.Thistestmethodisnotintendedforuseinevaluatingthestructuraladequacyofglassforaparticularapplication.Whenthestructuralperformanceofglassistobeevaluated,theproceduredescribedinTestMethodE997orE998shallbeused.