JIS C7033-1975 半导体整流二极管的试验方法
时间:2024-05-19 01:28:01 来源: 标准资料网 作者：标准资料网 阅读：8076
【英文标准名称】:Testingmethodsforsemiconductorrectifierdiodes
【原文标准名称】:半导体整流二极管的试验方法
【标准号】:JISC7033-1975
【标准状态】:作废
【国别】:日本
【发布日期】:
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:Electronics
【标准类型】:()
【标准水平】:()
【中文主题词】:整流器;二极管;整流二极管;半导体;半导体二极管;试验;半导体器件;半导体整流器;电子设备及元件
【英文主题词】:diodes;;semiconductordevices;semiconductors;semiconductordiodes;;;testing
【摘要】:
【中国标准分类号】:L40
【国际标准分类号】:
【页数】:14P;A4
【正文语种】:日语
【英文标准名称】:Concreteterminology
【原文标准名称】:混凝土术语
【标准号】:JISA0203-1993
【标准状态】:作废
【国别】:日本
【发布日期】:1993-03-15
【实施或试行日期】:1993-03-15
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:Architecture
【标准类型】:()
【标准水平】:()
【中文主题词】:施工材料;词汇;混凝土搅拌机;水泥与混凝土技术;混凝土振捣器;混凝土摊铺机;术语
【英文主题词】:concretemixers;concretespreaders;concretevibrators;terminology;vocabulary;constructionmaterials
【摘要】:
【中国标准分类号】:Q10
【国际标准分类号】:01_040_91;91_100_30
【页数】:22P;A4
【正文语种】:日语
【英文标准名称】:Plastics-Determinationofwaterabsorption
【原文标准名称】:塑料吸水性的测定
【标准号】:ISO62-1999
【标准状态】:作废
【国别】:国际
【发布日期】:1999-02
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;吸水率;试验;塑料
【英文主题词】:Absorption;Absorptivity;Determination;Determinationprocedures;Humidity;Moisture;Plastics;Quantityofwater;Testpieces;Testing;Tests;Water;Waterabsorption
【摘要】:1.1ThisInternationalStandarddescribesaprocedurefordeterminingthemoistureabsorptionpropertiesinthe"through-the-thickness"directionofflatorcurved-formsolidplastics.ThisInternationalStandardalsodescribesproceduresfordeterminingtheamountofwaterabsorbedbyplasticspecimensofdefineddimensions,whenimmersedinwaterorwhensubjectedtohumidairundercontrolledconditions.The"through-the-thickness"moisturediffusioncoefficientcanbedeterminedforsingle-phasematerialbyassumingFickiandiffusionbehaviourwithconstantmoistureabsorptionpropertiesthroughthethicknessofthetestspecimen.Thismodelisvalidforhomogeneousmaterialsandforreinforcedpolymer-matrixcompositestestedbelowtheirglasstransitiontemperature.However,sometwo-phasematricessuchashardenedepoxiesmayrequireamulti-phaseabsorptionmodelwhichisnotcoveredbythisInternationalStandard.1.2Ideallythebestcomparisonofthewaterabsorptionpropertiesand/ordiffusioncoefficientsofmaterialsshouldbecarriedoutonlyusingtheequilibriummoisturecontentofplasticsexposedtoidenticalconditions.Thecomparisonofmaterialsusingpropertiesatmoistureequilibriumdoesnotassume,andisthereforenotlimitedto,single-phaseFickiandiffusionbehaviour.1.3Alternatively,waterabsorptionofplasticspecimensofdefineddimensionsexpqsedtoimmersionorhumidityundercontrolledconditionsbutforanarbitrarytimeperiodcanbeusedtocomparedifferentbatchesofthesamematerialorforqualitycontroltestsofagivenmaterial.Forthistypeofcomparison,itisessentialthatalltestspecimensbeofidenticaldimensionsand,asnearlyaspossible,havethesamephysicalattributes,e.g.surfacesmoothness,internalstresses,etc.However,moistureequilibriumisnotreachedundertheseconditions.Therefore,resultsfromthistypeoftestcannotbeusedtocomparethewaterabsorptionpropertiesofdifferenttypesofplastics.Forthemorereliableresults,simultaneoustestsarerecommended.1.4TheresultsobtainedusingthemethodsdescribedinthisInternationalStandardareapplicabletomostplasticsbutarenotapplicabletocellularplastics,granulates,orpowderswhichcanshowadditionalabsorptionandcapillaryeffects.Plasticsexposedtomoistureundercontrolledconditionsfordefinedperiodsoftimeproviderelativecomparisonsbetweenthem.Thetestsdescribedfordeterminationofdiffusioncoefficientmaynotbeapplicabletoallplastics.Plasticsthatcannotretaintheirshapewhenimmersedinboilingwatershouldnotbecomparedusingmethod2in6.3.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:11P;A4
【正文语种】:英语