【英文标准名称】:Highfrequencyinductivecomponents-Non-electricalcharacteristicsandmeasuringmethods-Part1:Fixed,surfacemountedinductorsforuseinelectronicandtelecommunicationequipment(IEC62025-1:2002);GermanversionEN62025-1:2002
【原文标准名称】:高频感应部件.非电气特性和测量方法.第1部分:电子和远程通信设备用表面安装的固定感应器
【标准号】:DINEN62025-1-2003
【标准状态】:作废
【国别】:德国
【发布日期】:2003-03
【实施或试行日期】:2003-03-01
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电信;试验;名称与符号;图形符号;数学计算;测量;测量技术;感应;计量学;电子仪器;表面安装器件;电子工程;表面安装设备;额定值;表面安装;尺寸;共振频率;元部件;电磁元件;阻抗;磁性器件;高频;形状;电感;作标记;电子设备及元件
【英文主题词】:Components;Designations;Dimensions;Electronicengineering;Electronicequipmentandcomponents;Electronicinstruments;Graphicsymbols;Highfrequencies;Impedance;Inductance;Inductive;Magneticcomponents;Magneticdevices;Marking;Mathematicalcalculations;Measurement;Measuringtechniques;Metrology;Ratings;Resonantfrequency;Shape;SMD;Surfacemounting;Surfacemountingdevices;Telecommunications;Testing
【摘要】:Theobjectofthisstandardistoestablishrequirementstodescribeterms,togiberecommendationsforstandardvaluesanddimensionsandtogiveguidanceonfixed,surfacemountedinductors.
【中国标准分类号】:L17
【国际标准分类号】:17_220_20;29_100_10
【页数】:12P.;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforIsothermalCorrosionResistanceofRefractoriestoMoltenGlass
【原文标准名称】:熔融玻璃耐火材料耐等温腐蚀的标准试验方法
【标准号】:ASTMC621-1984(2001)
【标准状态】:现行
【国别】:
【发布日期】:1984
【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】:C08.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:耐火材料;玻璃;耐腐蚀性
【英文主题词】:corrosion;crucible;finger;glass;glass-line;cut;iso-thermal;metal-linecut;refractory;static
【摘要】:Thistestmethodprovidesarapid,inexpensivemethodforcomparingthecorrosionresistanceofrefractories.Theisothermalconditionsofthistestmethodrepresentthemostseverestaticcorrosionenvironmentpossibleatthespecifiedtesttemperature.Thistestmethodissuitableforqualitycontrol,researchanddevelopmentapplications,andforproductvaluestudiesonsimilarmaterials.Testsrunataseriesoftemperaturesareoftenhelpfulindeterminingtheusetemperaturelimitationsofaparticularmaterial.Melt-linecorrosionresultsarealsoausefulindicationofrelativeresistancetobothupwardanddownwarddrillingcorrosionmechanisms.Examinationoftestspecimensalsoprovidesinformationaboutthetendencyforaparticularrefractorytoformstonesorotherglassdefects.Becausethistestmethodisbothisothermalandstaticandsincemostglass-contactrefractoriesoperateinadynamicsystemwithathermalgradient,testresultsdonotdirectlypredictserviceinafurnace.Theeffectsofdifferingthermalconductivities,refractorythickness,artificialcoolingorinsulationupontherefractorythermalgradient,andtheerosiveactionofmovingmoltenglasscurrentsarenotevaluatedwiththistest.1.1Thistestmethodcoversthedeterminationofthecorrosionresistanceofrefractoriesincontactwithmoltenglassunderstatic,isothermalconditions.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesinparenthesesareprovidedforinformationonly.1.3Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q40
【国际标准分类号】:81_080
【页数】:6P.;A4
【正文语种】: