JB/T 9426.2-1999 变焦距电影摄影物镜
时间:2024-05-03 12:52:49 来源: 标准资料网 作者：标准资料网 阅读：8928
基本信息
| 标准名称： | 变焦距电影摄影物镜 |
| 英文名称： | Zoom lens for motion picture camera |
| 中标分类： |
仪器、仪表 >>
电影、照相、缩微、复印设备 >>
镜头 |
| 替代情况： | 原标准号ZB Y346.2-1985;被JB/T 9426.1～JB/T 9426.2-2011代替 |
| 发布部门： | 秦皇岛视听机械所 |
| 发布日期： | 1999-08-06 |
| 实施日期： | 2000-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 2012-04-01 |
| 归口单位： | 秦皇岛视听机械研究所 |
| 出版日期： | 1900-01-01 |
| 页数： | 4 页 |
| 批文号： | 国机管[1999]423 |
适用范围
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前言
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引用标准
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所属分类： 仪器 仪表 电影 照相 缩微 复印设备 镜头
【英文标准名称】:Medicalelectricalequipment-Particularrequirementsforsafety-Particularrequirementsforthesafetyofcardiacdefibrillators
【原文标准名称】:医疗电气设备.安全的特殊要求.心脏去纤颤器的特殊安全要求
【标准号】:BSEN60601-2-4-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-09-19
【实施或试行日期】:2003-09-19
【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】:电气器具;去纤颤器;安全工程;医用电气设备;监视器;试验条件;安全;规范(验收);医疗设备;医学科学;设备安全;电医学;电气工程;安全要求;定义
【英文主题词】:Defibrillators;Definition;Definitions;Electricappliances;Electricalengineering;Electricalmedicalequipment;Electromedicine;Equipmentsafety;Medicalequipment;Medicalsciences;Monitors;Safety;Safetyengineering;Safetyrequirements;Specification(approval);Testingconditions
【摘要】:Addition:ThisParticularStandardspecifiesrequirementsforthesafetyofCARDIACDEFIBRILLATORSasdefinedin2.1.101,hereinafterreferredtoasEQUIPMENT.ThisParticularStandarddoesnotapplytoimplantabledefibrillators,remotecontrolDEFIBRIL-LATORS,externaltranscutaneouspacemakers,orseparatestandaloneCARDIACMONITORS(whicharestandardizedbyIEC60601-2-27).CardiacmonitorswhichuseseparateECGmonitoringelectrodesarenotwithinthescopeofthisstandardunlesstheyareusedasthesolebasisforAEDrhythmrecognitiondetectionorbeatdetectionforsynchronizedcardioversion.Defibrillationwaveformtechnologyisevolvingrapidly.Publishedstudiesindicatethattheeffectivenessofwaveformsvaries.Thechoiceofaparticularwaveformincludingwaveshape,deliveredenergy,efficacy,andsafetyhasbeenspecificallyexcludedfromthescopeofthisstandard.However,duetothecriticalimportanceofthetherapeuticwaveform,commentshavebeenaddedtotherationalewhichaddressconsiderationsinwaveformselection.
【中国标准分类号】:C36
【国际标准分类号】:11_040_10
【页数】:60P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforAdhesionStrengthandMechanicalFailureModesofCeramicCoatingsbyQuantitativeSinglePointScratchTesting
【原文标准名称】:用定量单点划痕试验测定陶瓷涂层粘结强度和机械损坏类型的标准试验方法
【标准号】:ASTMC1624-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:C28.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:划痕;覆层;试验;处理;损坏类型;粘附;陶瓷涂层;旋具头;单;损坏;定量的;机械的
【英文主题词】:adhesiontest;ceramiccoating;criticalscratchload;hardcoatings;scratchadhesion;scratchtest
【摘要】:1.1Thistestmethodcoversthedeterminationofthepracticaladhesionstrengthandmechanicalfailuremodesofhard(VickersHardnessHV=5GPaorhigher),thin(8804;30956;m)ceramiccoatingsonmetalandceramicsubstratesatambienttemperatures.Theseceramiccoatingsarecommonlyusedforwear/abrasionresistance,oxidationprotection,andfunctional(optical,magnetic,electronic,biological)performanceimprovement.1.2Inthetestmethod,adiamondstylusofdefinedgeometry(RockwellC,aconicaldiamondindenterwithanincludedangleof120176;andasphericaltipradiusof200956;m)isdrawnacrosstheflatsurfaceofacoatedtestspecimenataconstantspeedandadefinednormalforce(constantorprogressivelyincreasing)foradefineddistance.Thedamagealongthescratchtrackismicroscopicallyassessedasafunctionoftheappliedforce.Specificlevelsofprogressivedamageareassociatedwithincreasingnormalstylusforces.Theforcelevel(s)whichproduceaspecifictype/levelofdamageinthecoatingaredefinedasacriticalscratchload(s).Thetestmethodalsodescribestheuseoftangentialforceandacousticemissionsignalsassecondarytestdatatoidentifydifferentcoatingdamagelevels.1.3ApplicabilitytoCoatings8212;Thistestmethodisapplicabletoawiderangeofhardceramiccoatingcompositions:carbides,nitrides,oxides,diamond,anddiamond-likecarbononceramicandmetalsubstrates.Thetestmethod,asdefinedwiththe200956;mradiusdiamondstylus,iscommonlyusedforcoatingthicknessesintherangeof0.1to30956;m.Testspecimensgenerallyhaveaplanarsurfacefortesting,butcylindergeometriescanalsobetestedwithanappropriatefixture.1.4PrincipalLimitations:1.4.1Thetestmethoddoesnotmeasurethefundamentaladhesionstrengthofthebondbetweenthecoatingandthesubstrate.Rather,thetestmethodgivesanengineeringmeasurementofthepractical(extrinsic)adhesionstrengthofacoating-substratesystem,whichdependsonthecomplexinteractionofthetestparameters(styluspropertiesandgeometry,loadingrate,displacementrate,andsoforth)andthecoating/substrateproperties(hardness,fracturestrength,modulusofelasticity,damagemechanisms,microstructure,flawpopulation,surfaceroughness,andsoforth).1.4.2Thedefinedtestmethodisnotdirectlyapplicabletometalorpolymericcoatingswhichfailinaductile,plasticmanner,becauseplasticdeformationmechanismsareverydifferentthanthebrittledamagemodesandfeaturesobservedinhardceramiccoatings.Thetestmethodmaybeapplicabletohardmetalcoatingswhichfailinabrittlemodewithappropriatechangesintestparametersanddamageanalysisproceduresandcriteria.1.4.3Thetestmethod,asdefinedwiththeRockwellCdiamondstylusandspecificnormalforceandrateparameters,isnotrecommendedforverythin(30956;m).Suchcoatingsmayrequiredifferentstylusgeometries,loadingrates,andrangesofappliednormalforceforusable,accurate,repeatableresults.1.4.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.TestdatavaluesinSIunits(newtons(N)forforceandmillimetres(mm)fordisplacement)aretobeconsideredasstandardandareinaccordancewithIEEE/ASTMSI10.1.4.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_99
【页数】:28P.;A4
【正文语种】: