SJ/T 9518-1993 盒式磁带录音机磁头质量分等标准
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来源:标准资料网
基本信息
标准名称: | 盒式磁带录音机磁头质量分等标准 |
英文名称: | Magnetic heads for cassette tape recorders-Quality grading standard |
中标分类: |
化工 >>
化工综合 >>
技术管理 |
发布日期: | 1993-06-22 |
实施日期: | 1993-10-01 |
首发日期: | 1900-01-01 |
作废日期: | 2010-01-20 |
出版日期: | 1900-01-01 |
页数: | 5页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 化工 化工综合 技术管理
【英文标准名称】:ElectromagneticcompatibilityandRadiospectrumMatters(ERM)-Wirelessmicrophonesinthe25MHzto3GHzfrequencyrange-Part1:Technicalcharacteristicsandmethodsofmeasurement(EndorsementoftheEnglishversionEN300422-1V1.3.2(2008-03)as
【原文标准名称】:电磁兼容性和射频频谱物质(ERM).25MHz~3GHz频率范围用无线扩音器.第1部分:技术特性和测量方法(EN300422-1V1.3.2(2008-03)英文版作为德国标准的认可)
【标准号】:DINEN300422-1-2008
【标准状态】:作废
【国别】:德国
【发布日期】:2008-08
【实施或试行日期】:
【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】:电气工程;电磁兼容性;EMC;频率范围;测量;测量技术;传声器;移动无线电通信系统;性能;无线电工程;无线电设备;额定值;电信;无线的
【英文主题词】:Electricalengineering;Electromagneticcompatibility;EMC;Frequencyranges;Measurement;Measuringtechniques;Microphones;Mobileradiosystems;Properties;Radioengineering;Radioequipment;Ratings;Telecommunication;Telecommunications;Wireless
【摘要】:
【中国标准分类号】:L06
【国际标准分类号】:33_060_20
【页数】:2P.;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforMeasuringViscosityatHighShearRatebyTaperedBearingSimulatorViscometerat100x00B0;C
【原文标准名称】:在100℃时用锥形承载模拟器粘度计测量高剪切速率时粘度的标准试验方法
【标准号】:ASTMD6616-2007
【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】:D02.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:表观密度;光密度分析;光密度分析法;密度测量;测量;体积测量;剪切;测试;粘度测量法;容量分析
【英文主题词】:dynamicviscosity;highshearrateviscosity;highshearrateviscosityat100&x00B0;C;highshearviscosity;hightemperatureviscosity;rotationalviscometer;TaperedBearingSimulatorViscometer;Highshearconditions;Tape
【摘要】:Viscosityattheshearrateandtemperatureofthistestmethodisthoughttobeparticularlyrepresentativeofbearingconditionsinlargemediumspeedreciprocatingenginesaswellasautomotiveandheavydutyenginesoperatinginthistemperatureregime.Theimportanceofviscosityundertheseconditionshasbeenstressedinrailroadspecifications.1.1Thistestmethodcoversthelaboratorydeterminationoftheviscosityofengineoilsat100x00B0;Cand1x00B7;106sx2013;1usingtheTaperedBearingSimulator(TBS)viscometer.Note18212;ThistestmethodissimilartoTestMethodD4683whichusesthesameTBSviscometertomeasurehighshearviscosityat150x00B0;C.1.2TheNewtoniancalibrationoilsusedtoestablishthistestmethodrangefromapproximately5to12mPax00B7;s(cP)at100x00B0;Candeitherthemanualorautomatedprotocolwasusedbyeachparticipantindevelopingtheprecisionstatement.Theviscosityrangeofthetestmethodatthistemperatureisfrom1mPax00B7;s(cP)toabove25mPax00B7;s(cP),dependingonthemodelofTBS.1.3Thenon-Newtonianreferenceoilusedtoestablishtheshearrateof1x00B7;106sx2013;1forthistestmethodhasaviscosityofapproximately10mPax00B7;sat100x00B0;C.1.4Applicationtopetroleumproductsotherthanengineoilhasnotbeendeterminedinpreparingtheviscometricinformationforthistestmethod.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.ThistestmethodusesthemilliPascalsecond(mPax00B7;s)astheunitofviscosity.ThisunitisequivalenttothecentiPoise(cP),whichisshowninparentheses.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N50
【国际标准分类号】:17_060
【页数】:13P.;A4
【正文语种】: