DIN EN 300175-4-2006 数字增强无线远程通信(DECT).通用接口(CI).第4部分:数据链路控制(DLC)层
时间:2024-05-21 14:41:54 来源: 标准资料网 作者：标准资料网 阅读：8759
【英文标准名称】:DigitalEnhancedCordlessTelecommunications(DECT)-CommonInterface(CI)-Part4:DataLinkControl(DLC)layer(EndorsementoftheEnglishversionEN300175-4V1.9.1(2005-09)asGermanstandard)
【原文标准名称】:数字增强无线远程通信(DECT).通用接口(CI).第4部分:数据链路控制(DLC)层
【标准号】:DINEN300175-4-2006
【标准状态】:作废
【国别】:德国
【发布日期】:2006-01
【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】:控制;无线的;数据电路;数据链层;数据保护;DECT;数字的;数字电路;数字工程;数字增强无线远程通信;数字信号;电气工程;界面;层;物理层;公共的;无线电工程;无线电设备;无线电广播网;无线电话;远程通信;电话系统;无线通信业务
【英文主题词】:
【摘要】:ThisEuropeanstandardspecifiesrequirementsinthetelecommunicationssector.
【中国标准分类号】:M14
【国际标准分类号】:33_070_30
【页数】:1P;A4
【正文语种】:德语
【英文标准名称】:StandardHardnessConversionTablesforMetalsRelationshipAmongBrinellHardness,VickersHardness,RockwellHardness,SuperficialHardness,KnoopHardness,andScleroscopeHardness
【原文标准名称】:布氏硬度、维氏硬度、洛氏硬度、洛氏表面硬度和努氏硬金属用标准硬度换算表
【标准号】:ASTME140-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:E28.06
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:布氏硬度;换算表;硬度;硬度测量;努氏硬度;机械试验;金属;洛氏硬度;试验
【英文主题词】:conversion;hardnessscale;metallic
【摘要】:1.1ConversionTable1presentsdataintheRockwellChardnessrangeontherelationshipamongBrinellhardness,Vickershardness,Rockwellhardness,Rockwellsuperficialhardness,Knoophardness,andScleroscopehardnessofnon-austeniticsteelsincludingcarbon,alloy,andtoolsteelsintheas-forged,annealed,normalized,andquenchedandtemperedconditionsprovidedthattheyarehomogeneous.1.2ConversionTable2presentsdataintheRockwellBhardnessrangeontherelationshipamongBrinellhardness,Vickershardness,Rockwellhardness,Rockwellsuperficialhardness,Knoophardness,andScleroscopehardnessofnon-austeniticsteelsincludingcarbon,alloy,andtoolsteelsintheas-forged,annealed,normalized,andquenchedandtemperedconditionsprovidedthattheyarehomogeneous.1.3ConversionTable3presentsdataontherelationshipamongBrinellhardness,Vickershardness,Rockwellhardness,Rockwellsuperficialhardness,andKnoophardnessofnickelandhigh-nickelalloys(nickelcontentover50%).Thesehardnessconversionrelationshipsareintendedtoapplyparticularlytothefollowing:nickel-aluminum-siliconspecimensfinishedtocommercialmillstandardsforhardnesstesting,coveringtheentirerangeofthesealloysfromtheirannealedtotheirheavilycold-workedorage-hardenedconditions,includingtheirintermediateconditions.1.4ConversionTable4presentsdataontherelationshipamongBrinellhardness,Vickershardness,Rockwellhardness,andRockwellsuperficialhardnessofcartridgebrass.1.5ConversionTable5presentsdataontherelationshipbetweenBrinellhardnessandRockwellBhardnessofausteniticstainlesssteelplateintheannealedcondition.1.6ConversionTable6presentsdataontherelationshipbetweenRockwellhardnessandRockwellsuperficialhardnessofausteniticstainlesssteelsheet.1.7ConversionTable7presentsdataontherelationshipamongBrinellhardness,Vickershardness,Rockwellhardness,Rockwellsuperficialhardness,andKnoophardnessofcopper.1.8ConversionTable8presentsdataontherelationshipamongBrinellhardness,Rockwellhardness,andVickershardnessofalloyedwhiteiron.1.9ConversionTable9presentsdataontherelationshipamongBrinellhardness,Vickershardness,Rockwellhardness,andRockwellsuperficialhardnessofwroughtaluminumproducts.1.10Manyoftheconversionvaluespresentedhereinwereobtainedfromcomputer-generatedcurvesofactualtestdata.MostRockwellhardnessnumbersarepresentedtothenearest0.1or0.5hardnessnumbertopermitaccuratereproductionofthesecurves.Sinceallconvertedhardnessvaluesmustbeconsideredapproximate,however,allconvertedRockwellhardnessnumbersshallberoundedtothenearestwholenumberinaccordancewithPracticeE29.1.11AppendixX1-AppendixX9containequationsdevelopedfromthedatainTable1-9,respectively,toconvertfromonehardnessscaletoanother.Sinceallconvertedhardnessvaluesmustbeconsideredapproximate,however,allconvertedhardnessnumbersshallberoundedinaccordancewithPracticeE29.1.12Conversionofhardnessvaluesshouldbeusedonlywhenitisimpossibletotestthematerialundertheconditionsspecified,andwhenconversionismadeitshouldbedonewithdiscretionandundercontrolledconditions.Eachtypeofhardnesstestissubjecttocertainerrors,butifprecautionsarecarefullyobserved,thereliabilityofhardnessreadingsmadeoninstrumentsoftheindentationtypewillbefoundcomparable.Differencesinsensitivitywithintherangeofagivenhardnessscale(forexample,RockwellB)maybegreaterthanbetweentwodifferentscalesortypesofinstruments.Theconversionvalues,whetherfromthetablesorcalculatedfromtheequations,areonlyapproximateandmaybeinaccurateforspecificapplication.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:21P.;A4
【正文语种】:
【英文标准名称】:CarbonBlack-ImprovingTestReproducibilityUsingASTMReferenceBlacks
【原文标准名称】:碳黑.用ASTM标准炭黑改进检验还原性
【标准号】:ASTMD3324-1995
【标准状态】:作废
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:天然橡胶;标准;碳黑;工艺;橡胶;试验;合成橡胶
【英文主题词】:syntheticrubber;standards;rubber;carbonblack;testing;processes;naturalrubber
【摘要】:
【中国标准分类号】:G49
【国际标准分类号】:83_040_30
【页数】:
【正文语种】:英语