NF P94-059-1992 土质调查与试验.鉴定与分类试验.砂性土最大和最小密度的测定
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来源:标准资料网
【英文标准名称】:SOILSINVESTIGATIONANDTESTING.IDENTIFICATIONANDCLASSIFICATIONTEST.DETERMINATIONOFMINIMALANDMAXIMALDENSITYOFCOHESIONLESSSOILS.
【原文标准名称】:土质调查与试验.鉴定与分类试验.砂性土最大和最小密度的测定
【标准号】:NFP94-059-1992
【标准状态】:作废
【国别】:法国
【发布日期】:1992-09
【实施或试行日期】:1992-08-05
【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】:P13
【国际标准分类号】:93_020
【页数】:20P;A4
【正文语种】:其他
【英文标准名称】:ULStandardforSafetyCablesforNon-Power-LimitedFire-AlarmCircuitsCOMMENTSDUE:FEBRUARY26,2007
【原文标准名称】:非功率限制型火灾报警电路用电缆UL安全性标准.评议提交截止日期:2007年2月26日
【标准号】:UL1425BULLETIN-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007-02-05
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisStandardstatestheconstruction,test,andmarkingrequirementscoveringthesafetyofelectricalandelectrical/optical-fibercablesrated60?Cto250?Candintendedfor150-voltandlower-potentialnon-power-limitedcircuitsthatarecontrolledandpoweredbyafire-alarmsystem.ThesecablesareforinstallationinbuildingsasspecifiedinArticle760andotherapplicablepartsoftheNationalElectricalCode(NEC),NFPA70.Thesecablescontaintwoormoreinsulatedcircuitconductorswithorwithoutoneormoreinsulatedorbareequipment-groundingconductor(s).Eachinsulatedcircuitandgroundingconductorisratedfor600volts.Thesecablesdonotcontainanycoaxialmembers.Thesecablesareratedfor150Voltsandaremarked.Cablesofmaterialswhicharequalifiedfortemperaturesabove60?C(140?F)aremarkedwithatemperaturerating.Temperaturemarkingisnotrequiredforcablesthatqualifyforatemperatureratingof60?C(140?F).Cableswhicharequalifiedforexposuretosunlight(720-hoursunlight-resistancetest-see25.1)have"sunres"or"sunlightresistant"onthetagandeitherontheoverallcablejacketorlegiblethroughthejacket.Theserequirementsdonotcovercablesthatcontainonlyopticalfibers.optical-fibercableswithoutelectricalconductorsarecoveredintheStandardforopticalfibercable,UL1651
【中国标准分类号】:K13
【国际标准分类号】:13_220_20
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforp-PhenylenediamineAntidegradantsPuritybyGasChromatography
【原文标准名称】:用气相色谱法测试p-苯二胺抗降解剂纯度的标准试验方法
【标准号】:ASTMD4937-1996(2006)e1
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:D11.11
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;气相色谱法;杂质;化学
【英文主题词】:antidegradant;antioxidant;antiozanant;gaschromatography;N-isopropyl-N`-phenyl-p-phenylenediamene(IPPD);N-(1,3dimethylbutyl)-N`-phenyl-p-phenylenediamene(6PPD);N,N`bis-(14-dimethylpentyl)-p-phenylenediamene(77PD);N,N`-ditolyl-p-phenylenediamene
【摘要】:ThistestmethodisdesignedtoassesstherelativepurityofproductionPPDs.Theseadditivesareprimarilyusedasantiozonantsfortiresandotherrubberorpolymericproducts.Sincetheresultsofthistestmethodarebasedonareanormalization,itassumesthatallcomponentsareelutedfromthecolumnandeachcomponenthasthesamedetectorresponse.Althoughthisisnotstrictlytrue,theerrorsintroducedarerelativelysmallandmuchthesameforallsamples;thus,theycanbeignoredsincetheintentofthetestmethodistoestablishrelativepurity.Althoughtraceamountsofx201C;lowboilersx201D;arepresentinproductionsamples,theyaredisguisedbythesolventpeakwhenusingpackedcolumns(ProcedureA).1.1ThistestmethodcoversthedeterminationofthepurityofClassI,II,andIIIp-phenylenediamine(PPD)antidegradantsasdescribedinClassificationD4676bygaschromatography(GC)detectionandareanormalizationfordatareduction.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C04
【国际标准分类号】:71_040_30
【页数】:7P.;A4
【正文语种】:
