NF Z84-433-1995 无线电设备和系统(RES).双边带(DSB)和\或单边带(SSB)调幅民用无线电频带(CB)设备.技术特点和测量方法
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来源:标准资料网
【英文标准名称】:Radioequipmentandsystems(RES).Doublesideband(DSB)and/orsinglesideband(SSB)amplitudemodulatedcitizensband(CB)radioequipment.Technicalcharacteristicsandmethodsofmeasurement.
【原文标准名称】:无线电设备和系统(RES).双边带(DSB)和\或单边带(SSB)调幅民用无线电频带(CB)设备.技术特点和测量方法
【标准号】:NFZ84-433-1995
【标准状态】:作废
【国别】:法国
【发布日期】:1995-12-01
【实施或试行日期】:1995-12-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:通信;测量技术;额定值;电气工程;民用电台频道;定义;定义;;电信;电信;测量;单边带;调幅;远程通信;移动无线电通信系统;无线电设备;无线电装置;无线电工程;性能
【英文主题词】:Amplitudemodulation;Citizens'band;Definition;Definitions;Doublesideband;Electricalengineering;Measurement;Measuringtechniques;Mobileradiosystems;Performance;Radioengineering;Radioequipment;Radiosystems;Ratings;Singlesideband;Telecommunication;Telecommunications
【摘要】:
【中国标准分类号】:M36
【国际标准分类号】:33_060_99
【页数】:39P.;A4
【正文语种】:其他
【英文标准名称】:CharacteristicnoiseemissionvaluesoftechnicalsoundsourcesMachinesfortheformingofconcreteblocks
【原文标准名称】:技术声源的噪音特征值.混凝土砖成形用机械
【标准号】:DINVDI3767-1997
【标准状态】:作废
【国别】:德国
【发布日期】:1997-10-01
【实施或试行日期】:1997-10-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:17_140_20;91_220
【页数】:27P.;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforHighTemperatureStabilityofMiddleDistillateFuels
【原文标准名称】:中间馏分燃料高温度稳定性的标准试验方法
【标准号】:ASTMD6468-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D02.14
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:fuelinsolubles;hightemperaturestability;middledistillatefuels;storagestability;thermalstability;Distillatefuels;Fuelinsolubles;High-temperatureprocessing/testing;Middledistillatefuels;Storagestability--petroleumproducts;Thermalsta
【摘要】:Thistestmethodprovidesanindicationofthermaloxidativestabilityofdistillatefuelswhenheatedtohightemperaturesthatsimulatethosethatmayoccurinsometypesofrecirculatingengineorburnerfueldeliverysystems.Resultshavenotbeensubstantiallycorrelatedtoengineorburneroperation.Thetestmethodcanbeusefulforinvestigationofoperationalproblemsrelatedtofuelthermalstability.Whenthetestmethodisusedtomonitormanufactureorstorageoffuels,changesinfilterratingvaluescanindicatearelativechangeininherentstability.Storagestabilitypredictionsaremorereliablewhencorrelatedtolonger-termstoragetests,forexample,TestMethodD4625,orotherlowertemperature,long-termtests.Whenfuelsamplesarefreshlyproduced,agingfor180min,insteadofthetraditional90-mininterval,tendstogivearesultcorrelatingmoresatisfactorilywiththeabovemethods(seeAppendixX2).Thetestmethodusesafilterpaperwithanominalporosityof11x03BC;m,whichwillnotcaptureallofthesedimentformedduringagingbutallowsdifferentiationoverabroadrange.Reflectanceratingsarealsoaffectedbythecoloroffilterableinsolubles,whichmaynotcorrelatetothemassofthematerialfilteredfromtheagedfuelsample.Therefore,noquantitativerelationshipexistsbetweenthepadratingandthegravimetricmassoffilterableinsolubles.1.1Thistestmethodcoversrelativestabilityofmiddledistillatefuelsunderhightemperatureagingconditionswithlimitedairexposure.ThistestmethodissuitableforallNo.1andNo.2gradesinSpecificationsD396,D975,D2880,andD3699.Itisalsosuitableforsimilarfuelsmeetingotherspecifications.1.2Thistestmethodisnotsuitableforfuelswhoseflashpoint,asdeterminedbyTestMethodsD56,D93,orD3828,islessthan38x00B0;C.Thistestmethodisnotsuitableforfuelscontainingresidualoil.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3.1Exception8212;Themaximumvacuumincludesinch-poundunitsin6.5and11.2.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:27_060_10
【页数】:6P.;A4
【正文语种】:英语
