ISO 12639-1998 印刷技术印前数据交换用于图像技术的标签图像文件格式(TIFF/IT)

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【英文标准名称】:Slottedcountersunk(flat)headwoodscrews
【原文标准名称】:开槽沉头(平头)木螺钉
【标准号】:DIN97-2010
【标准状态】:现行
【国别】:德国
【发布日期】:2010-12
【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】:
【英文主题词】:Acceptancespecification;Countersunkfasteners;Countersunkheadscrews;Deliveryconditions;Designations;Dimensions;Fasteners;Materials;Mechanicallinkages;Screws(bolts);Slots;Slottedscrews;Slotted-headfasteners;Threads;Tolerances(measurement);Woodscrews
【摘要】:Thisstandardspecifiespropertiesforslottedcountersunk(flat)headwoodscrewswithathreaddiameterfrom1.6mmto10mmforuseinapplicationswhichdonotrequireconstructionapproval(i.e.non-loadbearingapplicationsonly).
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:7P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforFreezingPointofAviationFuels(AutomaticFiberOpticalMethod)
【原文标准名称】:航空燃料冻结点的标准试验方法(自动光纤法)
【标准号】:ASTMD7154-2005(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:
【英文主题词】:automaticfreezingpoint;automaticfiberopticalmethod;aviationgasoline;aviationturbinefuels;freezingpoint;Automaticfiberopticalmethod;Aviationturbinefuels;Freezingpoint--petroleumproducts/applications;Hydrocarboncrystals;Petroleump
【摘要】:Thefreezingpointofanaviationfuelisanindexofthelowesttemperatureofitsutilityforcertainapplications.Solidhydrocarboncrystalscanrestricttheflowoffuelinthefuelsystemoftheaircraft.Thetemperatureofthefuelintheaircrafttanknormallydecreasesduringflightdependingonaircraftspeed,altitude,andflightduration.Thefreezingpointofthefuelmustalwaysbelowerthantheminimumoperationalfueltemperature.Petroleumblendingoperationsrequireprecisemeasurementofthefreezingpoint.Thistestmethodexpressesresultswitharesolutionof0.1x00B0;C.ThistestmethodeliminatesmostoftheoperatortimeandjudgmentrequiredbyTestMethodD2386.WhenthespecificationrequirestheuseofTestMethodD2386,donotsubstitutethistestmethodoranyothermethod.1.1Thistestmethodcoversthedeterminationofthetemperaturebelowwhichsolidhydrocarboncrystalsmayforminaviationturbinefuels.Note18212;ThistestmethoddescribesanalternativeprocedureandautomaticapparatuswhichcloselymimicstheapparatusandproceduredescribedinTestMethodD2386.1.2Themeasuringrangeoftheapparatusisfrom-70to0x00B0;C,howevertheprecisionstatementswerederivedonlyfromsampleswithfreezingpointtemperaturesfrom-60to-42x00B0;C.Note28212;Typicalaviationfuelhasfreezingpointtemperaturesinthe-60to-40x00B0;Crange.1.3Someresultsfromthistestmethod(14%ofsamplesincludedinthe2003roundrobin)incorrectlyidentifiedsamplecontaminationwherenocontaminantswerepresentinthesamples(seeresearchreportforfurtherinformation).1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazardstatements,seeSection7.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:8P.;A4
【正文语种】:英语