DIN EN 301707-2005 数字蜂窝式电信系统(2+相位).自适应多速率(AMR)语音话务信道的非连续传输(DTX)

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【英文标准名称】:Digitalcellulartelecommunicationssystem(Phase2+)-DiscontinuousTransmission(DTX)forAdaptiveMulti-Rate(AMR)speechtrafficchannels(GSM06.93version7.4.1Release1998)(EndorsementoftheEnglishversionEN301707V7.4.1(2000-11)asGerman
【原文标准名称】:数字蜂窝式电信系统(2+相位).自适应多速率(AMR)语音话务信道的非连续传输(DTX)
【标准号】:DINEN301707-2005
【标准状态】:作废
【国别】:德国
【发布日期】:2005-04
【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】:电气工程;数字的;通信网;电信;无线电话业务;通信系统;呼叫传输;语音传输;通信设备;移动无线电通信系统;特殊服务
【英文主题词】:calltransmission;communicationsystems;telecommunications;communicationservice;mobileradiosystems;digital;communicationnetworks;specialservice;telecommunication;radiotelephonetraffic;electrical
【摘要】:
【中国标准分类号】:M37
【国际标准分类号】:33_070_50
【页数】:2P;A4
【正文语种】:德语


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【英文标准名称】:StandardTestMethodforLaboratoryDeterminationofAbrasivenessofRockUsingtheCERCHARMethod
【原文标准名称】:使用CERCHAR法在实验室内测定石材的磨蚀性的标准试验方法
【标准号】:ASTMD7625-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D18.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:abrasiveness;abrasivity;CERCHAR;diskcutter;mechanicalexcavation;RockwellHardness;TBM
【摘要】:TheCERCHARtestandassociatedCAIweredevelopedatatimeofmoredemandforapplicationofmechanicalexcavationmachinesattheLaboratoireduCenterd''?/span>tudesetRecherchesdesCharbonnagesdeFrance(CERCHAR)(3).CAIisusedtoassesstheabrasivenessofrockformechanicalexcavation.Rockabrasivenessgovernstheperformanceofdisccutters,therateofitsreplacementandthereforesubsequenttunnelcosts.Advancesinmethodsofundergroundexcavation,inparticulartheuseofthetunnelboringmachine(TBM),necessitatesknowledgeofrockabrasiveness.Abrasivenessexpressesabehavioralcharacteristicofrockratherthanafundamentalphysicalormechanicalproperty.CAItestswereoriginallycarriedoutonnaturalbrokensurfaces.Inheterogeneousrocktypessuchasconglomerates,coarsegrainedgraniteorschistoserock,suitablefreshtestsurfacesarenotachievedbymechanicalbreakageusingahammer.InthesecasesCAIvaluesforx201C;smoothx201D;surfacescutwithadiamondsawareacceptableforusebutshallbenormalizedbyEq2beforetheycanbeused(1).ThetestvelocityfortheOriginalCercharapparatusisapproximately10mm/sand1mm/sfortheWestCercharapparatus.TheCAIvaluesobtainedforbothtestingvelocities(1)areestimatedtobeequal.Note18212;Thequalityoftheresultproducedbythesepracticesisdependentuponthecompetenceofthepersonnelperformingitandthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetestingandsampling.UsersofthesepracticesarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1ThistestmethodcoversthedeterminationoftheabrasivenessofrockbytheCERCHARAbrasivenessIndex(CAI)method.ThetestmethodconsistsofmeasuringthewearonthetipofsteelstyluswithaconeshapeandknownRockwellHardness,causedbyscratchingagainstafreshlybrokenorsawcutrocksurfaceforaprescribed10mmdistanceusingoneofthetwotestapparatus.1.2Thistestmethodisintendedforfreshlybrokenrocksurfaces;however,sawcutsurfacesarecoveredforwhenasatisfactoryrocksurfacecannotbeobtained.1.3StylusRockwellHardness(HRC)canhaveaprofoundeffectontheresultsandthefocusofthistestmethodisanHRCvalueof55foreverytest(1,2).However,therearesituationswherestyluswithdifferentRockwellHardnesscanbeusedTherefore,thistestmethodincludesdiscussionsonstyluswithdifferentRockwellHardness.1.4AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthprac......
【中国标准分类号】:Q21
【国际标准分类号】:91_100_15
【页数】:6P.;A4
【正文语种】:英语


【英文标准名称】:Glowplugsforautomobiles
【原文标准名称】:汽车用辉光插头
【标准号】:JISD5103-1992
【标准状态】:现行
【国别】:日本
【发布日期】:1992-02-01
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonRoadVehicles
【标准类型】:()
【标准水平】:()
【中文主题词】:热线点火塞;道路车辆;私人汽车
【英文主题词】:glowplugs
【摘要】:この規格は,自動車用ディーゼルエンジンに用いる自己制御式シーズ形グロープラグ(以下,グロープラグという。)について規定する。
【中国标准分类号】:T37
【国际标准分类号】:43_040_10
【页数】:12P;A4
【正文语种】:日语