DIN IEC 60603-11-1995 印制电路板频率低于3MHz连接器.第11部分:同轴连接器详细规范(自由连接器和固定连接器的尺寸)
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【英文标准名称】:Connectorsforfrequenciesbelow3MHzforusewithprintedboards-Part11:Detailspecificationforconcentricconnectors(dimensionsforfreeconnectorsandfixedconnectors)(IEC60603-11:1992)
【原文标准名称】:印制电路板频率低于3MHz连接器.第11部分:同轴连接器详细规范(自由连接器和固定连接器的尺寸)
【标准号】:DINIEC60603-11-1995
【标准状态】:现行
【国别】:德国
【发布日期】:1995-07
【实施或试行日期】:
【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】:紧固件;插头;轴衬(机械元件);电子工程;电插头;规范(验收);详细规范;电子设备及元件;额定值;尺寸;电路;连接;试验;电气工程;印制电路;量规;意见;视图
【英文主题词】:
【摘要】:ThedocumentcoversconcentricforuseinLFaudioapplicationssuchastheinterconnectionofheadphonesandmicrophonesinsoundsystemcomponents.
【中国标准分类号】:L30
【国际标准分类号】:31_220_10
【页数】:19P;A4
【正文语种】:德语
【英文标准名称】:Testingconcrete.Methodsfortestingcementinareferenceconcrete
【原文标准名称】:混凝土试验.混凝土试样水泥含量测试方法
【标准号】:BS1881-131-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-05-15
【实施或试行日期】:1998-05-15
【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】:集料;水泥与混凝土技术;水泥;组分;压缩试验;混凝土拌合料;混凝土;稳定性(机械性能);控制样品;立方形;混合;灰浆;物理试验;砂;试样制备;材料强度;试验设备;试样;测试条件
【英文主题词】:Aggregates;Cementandconcretetechnology;Cements;Composition;Compressiontesting;Concretemixes;Concretes;Consistency(mechanicalproperty);Controlsamples;Cubicshape;Mixing;Mortars;Physicaltesting;Sand;Specimenpreparation;Strengthofmaterials;Testequipment;Testspecimens;Testingconditions
【摘要】:Thetestmethoddescribedallowsthestrengthproducedbyacementinacloselyspecifiedreferenceconcretetobeassessed.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_10
【页数】:16P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforCarbonBlackx2014;VoidVolume(VV)
【原文标准名称】:炭黑压缩容积指数的标准试验方法
【标准号】:ASTMD6086-2009a
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D24.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:apparentcompressedvolume;measuredvoidvolume;skeletaldensity;structure;theoreticalvolume;truevoidvolume;Carbonblack;Compressedvolumeindex;Voidvolume
【摘要】:Thevoidvolumeofacarbonblackexpressedasafunctionofappliedpressure,VV,isacarbonblackstructureproperty.Structureisagenerictermthatisafunctionoftheshapeirregularityanddeviationfromsphericityofcarbonblackaggregates.Thegreateracarbonblackresistscompressionbyhavingsubstantialaggregateirregularityandnon-sphericity,thegreaterthecompressedvolumeandvoidvolume.Also,themorethatacarbonblackresistscompression,thegreatertheenergyrequiredtocompressthesampleperunitvoidvolume.Structure,traditionallymeasuredbyOAN(TestMethodD2414)andCOAN(TestMethodD3493),isapropertythatstronglyinfluencesthephysicalpropertiesdevelopedincarbonblack-elastomercompoundsforuseintires,mechanicalrubbergoods,andothermanufacturedrubberproducts.SeveralstudieswithinD24havedemonstratedthatvoidvolumedatacanbeusedtoestimateOANandCOANnumbersofcarbonblacksusingmathematicalmodelsderivedfromvoidvolume-pressuredataandoilabsorptiondata.Themodelsmayvarydependingonwhetherdynamicorstaticvoidvolumemeasurementsareusedandthenumberandtypesofcarbonblacksincludedwithinamodelingdataset.Ifnecessary,OANandCOANestimatesfromvoidvolumemodelscanalsobenormalizedusingcurrentSRBs(aspracticedinGuideD4821).AnyestimatesofOANorCOANderivedfrompredictionmodelsusingvoidvolume-pressuredatashouldbelabeledappropriately(thatis,TestMethodD6086)toavoidconfusionwithOANorCOANdataobtaineddirectlyfromoilabsorptionmethods.1.1ThistestmethodcoversaproceduretomeasureacarbonblackstructurepropertyknownasVoidVolume.Compressedvoidvolumesareobtainedbymeasuringthecompressedvolumeofaweighedsampleasafunctionofappliedpressureinacylindricalchamberbyamovablepistonwithadisplacementtransduceronthepistonmechanism.Aprofileofvoidvolumeasafunctionofappliedpressureprovidesameanstoassesscarbonblackstructureatvaryinglevelsofdensityandaggregatereduction.1.2Voidvolumeisanimportantcarbonblackstructurepropertythatrelatestothecompoundedphysicalpropertiesforcarbonblack-filledelastomersincludingviscosity,modulus,anddieswell.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G49
【国际标准分类号】:71_060_10
【页数】:5P.;A4
【正文语种】:英语
