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NF U15-172-1991 动力割草机.草坪拖拉机和带修剪机件的园圃和草坪拖拉机.乘坐式草坪割草机.声压级的测定

作者:标准资料网 时间:2024-05-16 08:10:44  浏览:8104   来源:标准资料网
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【英文标准名称】:Powerlawnmowers,lawntractors,andlawnandgardentractorswithmowingattachments.Ride-onlawnmowers.Measurementofsoundpressurelevel.
【原文标准名称】:动力割草机.草坪拖拉机和带修剪机件的园圃和草坪拖拉机.乘坐式草坪割草机.声压级的测定
【标准号】:NFU15-172-1991
【标准状态】:作废
【国别】:法国
【发布日期】:1991-12-01
【实施或试行日期】:1991-12-20
【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】:B91
【国际标准分类号】:17_140_20;65_060_70
【页数】:10P;A4
【正文语种】:其他


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【英文标准名称】:StandardPracticesforUniformityofTrafficPaintVehicleSolidsbySpectroscopyandGasChromatography
【原文标准名称】:光谱和气相色谱法测定路标漆固体漆料均匀性的标准实施规程
【标准号】:ASTMD2743-1968(2004)
【标准状态】:现行
【国别】:
【发布日期】:1968
【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】:D01.44
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:覆层;涂漆;涂料;工艺;光谱学;同一;作道路标记
【英文主题词】:gaschromatography;spectroscopy;trafficpaint;uniformityofpaintvehicle
【摘要】:1.1Thesepracticesprovidegeneralinformationontheinstrumentaltechniquesavailablefordetectingadulterationornonuniformityofthechemicalnatureofthevehiclesolidsinpurchasedlotsoftrafficpaintsbymeansoftheindividualorcombineduseofinfraredandultravioletspectroscopyandgaschromatography.Theproceduresgivenareapplicablewhentrafficpaintisselectedandpurchasedonthebasisofpre-qualificationlaboratoryorroadperformancetests,orboth,andareferencesampleoftheoriginalpaintsoevaluatedandselectedisretainedandcomparedwithtestsamplesrepresentativeofsubsequentpurchasedanddeliveredlotsofsuchpaintandwhicharerequiredtobethesameastheoriginalreferencesample.1.2Althoughnotspecificallyprovidedforinthesepractices,themethodsgivenmayalsobeapplied,withappropriatemodification,toevaluatingtheacceptabilityoftrafficpaintsthathavebeenpurchasedonthebasisofcompositionspecifications.Insuchcases,applicationislimitedtothevehiclesolidsasbefore,aswellastheavailabilityofasuitablestandardorrangeofstandardsrepresentativeofthevehiclesolidsthatareacceptableandwithwhichsamplesofsubsequentdeliveredlotswillbecompared.1.3Thetechniquesprovidedarewhollyadequatefordetectinggrossadulterationofthevehiclesolidswherecompletelydifferentdryingoils,resins,orpolymers,orcombinationsofthesehavebeensubstitutedforthoseoriginallycontainedinthereferencesample.Incasesoflesseradulterationormodification,thesemethodshavebeenfoundadequatefordetectingvehiclesolids,adulterations,ormodificationsaslowas5weight%ofthevehiclesolids.1.4Thesetechniqueshavebeendevelopedonthebasisofcooperativeworkwithalkyd,chlorinatedrubber-alkyd,andpoly(vinyltoluene)typepaintsinvolvingthedetectionofnonuniformitywhensuchextraneousmaterialsasrosin,fishoil,hydrocarbonresin,andchlorinatedparaffinhavebeenadded.Theproceduresgivenmaybe,butarenotnecessarilycompletelyapplicabletoallothertypesofvehiclesolidsorextraneousadditions,orboth.1.5Themethodsprovidedappearinthefollowingorder:SectionMethodA-InfraredSpectralAnalysisofTotalVehicleSolidsMethodB-InfraredSpectralAnalysisofUnsaponifiableMatterfromVehicleSolidsMethodC-GasChromatographicAnalysisofOilsandOilAcidsSeparatedfromVehicleSolidsMethodD-UltravioletSpectralAnalysisofTotalVehicleSolids19,20,and21【英文标准名称】:TaperedandReducedCrossSectionExternalRetainingRings(InchSeries)(HeavyDutyExternal-NA4;Reinforced"E"Rings-NA5;"C"TypeRings-NA6)
【原文标准名称】:锥形减截面外档圈(英寸系列)
【标准号】:ANSI/ASMEB18.27.2-1998
【标准状态】:作废
【国别】:美国
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:档圈;紧固件
【英文主题词】:fasteners;retainingrings
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:21_060_60
【页数】:
【正文语种】:英语



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