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BS EN 60368-4-2001 压电滤波器.分规范.容量批准

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【英文标准名称】:Piezoelectricfilters-Sectionalspecification-Capabilityapproval
【原文标准名称】:压电滤波器.分规范.容量批准
【标准号】:BSEN60368-4-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-06-15
【实施或试行日期】:2001-06-15
【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】:机电滤波器;性能;额定值;晶体滤波器;能力鉴定;滤波器;电子设备及元件;压电器件;认可试验;质量保证体系;详细规范;质量保证;资格鉴定;电气试验;性能试验;验收(鉴定);环境试验
【英文主题词】:Capabilityapproval;Ceramicfilters;Crystalfilters;Designapproval;Dimensions;Electricenclosures;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Enclosures;Filters;Overalldimensions;Piezoelectricdevices;Piezoelectricfilters;Qualityassurance;Sectionalspecification
【摘要】:ThispartofIEC60368appliestopiezoelectricfiltersascustom-builtproductsorasstandardcatalogueitemswhosequalityisassessedonthebasisofcapabilityapproval.Itprescribesthepreferredratingsandcharacteristics,withappropriatetestsandmeasuringmethodscontainedinthegenericspecification,IEC60368-1,andgivesthegeneralperform-ancerequirementstobeusedindetailspecificationsforpiezoelectricfilters.Theconceptofpreferredvaluesisdirectlyapplicabletostandardcatalogueitems,butdoesnotnecessarilyapplytocustom-builtproducts.
【中国标准分类号】:L18
【国际标准分类号】:31_140;31_160
【页数】:32P.;A4
【正文语种】:英语


【英文标准名称】:Fibre-reinforcedplasticcomposites-Determinationofthein-planeshearmodulusbytheplatetwistmethod
【原文标准名称】:纤维增强塑料复合材料用板捻法测定内剪模量
【标准号】:ISO15310-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-12
【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/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:剪切强度;可旋转的;增强塑料;放大;剪切模量;剪切试验;剪切试验;板;测定;试验;定义;定义;纤维增强的;塑料
【英文主题词】:Amplification;Definitions;Determination;Fibrereinforced;Flexibility;Plastics;Plates;Reinforcedplastics;Reinforcement;Rotatable;Shearmodulus;Shearstrength;Sheartesting;Sheartests;Speedoftesting;Testequipment;Testspecimens;Testing
【摘要】:1ThisInternationalStandardspecifiesamethodfordeterminingthein-planeshearmodulus(G12)offibre-reinforcedplasticcompositesusingastandardplatespecimen.Whenappliedtoisotropicmaterials,theshearmodulusmeasuredisindependentofdirection.2Themethodisusedtodeterminetheshearmodulusofthetestspecimensbutnottodeterminetheshearstrength.Itappliestoaplatesupportedontwopointsononediagonalandloadedontheotherdiagonalbythesimultaneousmovementoftwoloadingpointsattachedtoacross-beam.3Themethodissuitableforusewithfibre-reinforcedplasticcompositeswithboththermosetandthermoplasticmatrices.Duetothesheardeformationbeingappliedunderflexuralconditions,forlaminatedmaterialswithdifferentfibreformatsand/ordifferentorientations,thelayersofmaterialmustbewelldistributedacrossthesectionsothatitisapproximately"homogeneous"inthethrough-thicknessdirection.Theprincipalmaterialaxes,ifpresent,mustbeorientatednormaltotheplateedges(see3.8).NOTEThismethodcanbeappliedtounreinforcedpolymersandothermaterials(e.g.metals,ceramicsandmetal-orceramic-matrixcomposites).Formaterialfabricatedusingunidirectionalplies,theshearmodulusobtainedusingamultidirectionalspecimen(i.e.0°/90°/±45°)isnotthesameasthatobtainedforunidirectionalorcross-ply(0°/90°)material.4Themethodisperformedusingspecimenswhichmaybemouldedtothechosendimensions,machinedfromtestplatesormachinedfromflatareasofproducts.5Themethodspecifiespreferreddimensionsforthespecimen.Testswhicharecarriedoutonspecimensofotherdimensions,oronspecimenswhicharepreparedunderdifferentconditions,mayproduceresultswhicharenotcomparable.Otherfactors,suchasthespeedoftestingandtheconditioningofthespecimens,caninfluencetheresults.Consequently,whencomparativedataarerequired,thesefactorsmustbecarefullycontrolledandrecorded.NOTEThestress-strainresponseinshearisverynon-linearathigherstrainlevels.Thistestmethoddeterminesthemoduluswithinalowstrainregionandisnotapplicabletohigherstrains.
【中国标准分类号】:G31
【国际标准分类号】:83_120
【页数】:11P;A4
【正文语种】:英语


【英文标准名称】:Electricalsafetyinlowvoltagedistributionsystemsupto1000Va.c.and1500Vd.c.-Equipmentfortesting,measuringormonitoringofprotectivemeasures-Part2:Insulationresistance
【原文标准名称】:1000V交流和小于1500V直流低压配电系统中的电气安全性.防护措施的试验、测量和监控设备.第2部分:绝缘阻抗
【标准号】:IEC61557-2-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-01
【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/TC85
【标准类型】:()
【标准水平】:()
【中文主题词】:控制仪器;定义;直流装置;电气工程;电气安全;电磁试验;额定电压装置;绝缘电阻;低电压;低压电源;低压设备;测量设备;测量仪器;监视装置;保护措施;安全;安全要求;规范(验收);试验
【英文主题词】:Controlinstruments;Definitions;Dimensioning;Directcurrentinstallations;Electricalengineering;Electricalsafety;Electromagnetictests;Grids;Inscription;Installationsforratedvoltages;Instruments;Insulatingresistance;Insulations;Lowvoltage;Lowvoltagemains;Low-voltageinstallations;Measurement;Measuringequipment;Measuringinstruments;Monitoring;Monitoringdevice;Operatinginstructions;Overloadtests;Protection;Protectivemeasures;Resistors;Safety;Safetyrequirements;Specification(approval);Surveillance(approval);Testequipment;Testing
【摘要】:ThispartofIEC61557specifiestherequirementsapplicabletoequipmentformeasuringtheinsulationresistanceofequipmentandinstallationsinthede-energizedstate.
【中国标准分类号】:N22;K40
【国际标准分类号】:17_220_20;29_080_01;29_240_01
【页数】:17P.;A4
【正文语种】:英语