NF Z87-019-15-1995 设备工程.电信设备的环境条件和环境试验.第1-5部分:环境条件分类.地面运输装置
时间:2024-04-30 05:40:43 来源: 标准资料网 作者：标准资料网 阅读：9911
【英文标准名称】:Equipmentengineering(ee).Environmentalconditionsandenvironmentaltestsfortelecommunicationequipment.Part1-5:classificationofenvironmentalconditions.Groundvehicleinstallations.
【原文标准名称】:设备工程.电信设备的环境条件和环境试验.第1-5部分:环境条件分类.地面运输装置
【标准号】:NFZ87-019-15-1995
【标准状态】:作废
【国别】:法国
【发布日期】:1995-09-01
【实施或试行日期】:1995-09-05
【发布单位】:法国标准化协会(AFNOR)
【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】:P76;A21
【国际标准分类号】:19_040;33_020
【页数】:13P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodsforLowConcentrationsofDiethlyeneGlycolinEthyleneGlycolbyGasChromatography
【原文标准名称】:气相色谱分析法测定乙二醇中二甘醇的低浓度的标准试验方法
【标准号】:ASTME611-2008
【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】:E15.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:diethyleneglycol;ethyleneglycol;gaschromatograph;Diethyleneglycol;Ethyleneglycol;Gaschromatography(GC)--chemicals;Lowconcentrations(ofelements)
【摘要】:Eithertestmethodmaybeusedtodeterminetheconcentrationsofdiethyleneglycolinethyleneglycol.Theconcentrationsofthecomponentsareobtainedbyanormalizationtechnique,basedontheassumptionthatallcomponentsareelutedundertheconditionsused.Ifallcomponentsshouldnotbeeluted,thecalculatedconcentrationswillbeerroneouslyhigh,withthemajorcomponentshowingthemostsignificantabsoluteerror.Sincewaterisnotdetectedbytheseprocedures,theresultsareonawater-freebasis.WatermaybedeterminedinaccordancewiththeapplicablesectionsofTestMethodsE202andthegaschromatographicresultscorrectedforthewaterconcentration.Bothtestmethodsarecurrentlyinindustrialuse.TestMethodAisthesimplerofthetwotestmethodsbecauseitdoesnotrequirethepreparationofderivativespriortogaschromatographicanalysis.TheresultsobtainedbyTestMethodAareslightlymoreaccuratethanthoseobtainedbyTestMethodB.Withrespecttoprecisionthereisnosignificantdifferencebetweenthetwotestmethods.TestMethodBhasbeenreportedtobesuitablealsofortheanalysisofawidevarietyofglycolethers,butthisuseisbeyondthescopeofthisstandard.1.1Thesetestmethodsareintendedprimarilyfortheanalysisofmixturesofethyleneanddiethyleneglycolsinwhichthediethyleneglycolconcentrationis0.1%orless.Bothtestmethodsshouldbeapplicabletohigherconcentrationsofdiethyleneglycol,butprecisionandbiasestimateshavebeenobtainedonlyfor0.05to0.1%diethyleneglycol.Note18212;TestMethodsE202describeanothergaschromatographictestmethodapplicabletomixturesofethylene,diethylene,andtriethyleneglycolsandmixturesofpropylene,dipropylene,andtripropyleneglycolsinwhichoneoftheglycolsistheprincipalcomponentandtheothertwoarepresentinconcentrationsof0.1to1%each.Note28212;TestMethodE2409describesanothergaschromatographictestmethodforthedeterminationofglycolimpuritiesinmono-,di-,tri-andtetraethyleneglycol(MEG,DEG,TEGandTeEG)intherangeof5to3000x03BC;g/g.1.2Thetwotestmethodsaregivenasfollows:
Sections
TestMethodAx2014;NonderivativeMethod
5to13
TestMethodBx2014;DerivativeMethod
14to22
【英文标准名称】:Freightcontainers-Mechanicalseals
【原文标准名称】:货物集装箱.机械密封
【标准号】:ISO17712-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-09
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC104
【标准类型】:()
【标准水平】:()
【中文主题词】:验收规范;分类;闭塞物;集装箱;定义;尺寸规格;货运集装箱;货物运输;识别;机械工人;机械密封;退货;安全性;焊封线;密封件;测试;运输链;收回
【英文主题词】:Acceptancespecification;Classification;Closures;Containers;Definitions;Dimensions;Freightcontainers;Freighttransport;Identification;Mechanic;Mechanicalseals;Rejection;Safety;Sealwires;Seals;Testing;Transportationchains;Withdrawal
【摘要】:
【中国标准分类号】:A83
【国际标准分类号】:55_180_10
【页数】:31P;A4
【正文语种】:英语