DIN 49834-1969 便携式矿灯用电灯泡
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来源:标准资料网
【英文标准名称】:Electriclampsforportableminer'sluminaires
【原文标准名称】:便携式矿灯用电灯泡
【标准号】:DIN49834-1969
【标准状态】:作废
【国别】:德国
【发布日期】:1969-08
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:白炽灯;便携的;照明系统;采掘;电气工程;灯具;底座;设计;尺寸;公差;灯;矿灯
【英文主题词】:dimensions;minerslamps;luminaires;tolerances(measurement);electricalengineering;lightingsystems;portable;design;incandescentlamps;lamps;plinths;mining
【摘要】:
【中国标准分类号】:K73
【国际标准分类号】:2190;4900
【页数】:1P;A4
【正文语种】:德语
【英文标准名称】:Plasticsmouldingmaterials;polystyrene(PS)mouldingmaterials;preparationofspecimensanddeterminationoftheirproperties
【原文标准名称】:塑料-模塑材料.聚苯乙烯(PS)-模塑材料.性能的测定
【标准号】:DIN7741T.2-1988
【标准状态】:作废
【国别】:
【发布日期】:
【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】:
【摘要】:
【中国标准分类号】:G32
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardTestMethodsforCompositionofTurpentineandRelatedTerpeneProductsbyCapillaryGasChromatography
【原文标准名称】:通过毛细孔气相色谱对松节油和相关的萜烯产品的组成的标准试验方法
【标准号】:ASTMD6387-1999(2005)
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:D01.34
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:松脂;二聚戊烯;气相色谱法;毛细柱;松油
【英文主题词】:capillarycolumn;dipentene;gaschromatography;pineoil;turpentine
【摘要】:Earliermethodsforcharacterizingturpentineandrelatedterpeneproductswerebasedonphysicalproperties,suchasthoseinSpecificationD13andTestMethodsD801andD802,andpackedcolumngaschromatographyforthemajorconstituents(forexample,x03B1;-pinene,x03B2;-pinene)asinTestMethodD3009.Asterpeneproductsbecamewidelyusedaschemicalrawmaterial,theseparationandquantitationofcompoundspresentatlowerconcentrationsintheproductbecamemoreimportant.Thecapillarygaschromatographictechniquedescribedinthesetestmethodsisarapidandconvenientmeanstoperformtheseanalyses.1.1Thesetestmethodsdescribethedeterminationoftheamountsofalpha-pinene,945;-pinene,dipentene,terpenealcohols,andotherterpenecompoundsinturpentineandrelatedterpeneproductsusingcapillarygaschromatography.Thetwomethodsfordeterminingtheamountoftheindividualterpenecompoundsarethe"internalstandard"method,whichyieldsabsolutevalues,andthe"areapercent"method,whichyieldsrelativevalues.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthestandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;Overallthistestmethodgivesexcellentrepeatabilitybutonlymoderatereproducibility.Thisgreaterthannormaldifferentialisaconsequenceofthevarietyofgaschromatography(GC)columnsandothervariablesusedbyparticipants.Thesevariables,coupledwiththecomplexcompositionofthetestproducts,enabledsomeworkerstoseparatepeaksthatothersreportedasonepeak;thus,thistestmethodgivesexcellentprecisionwithinagivenlaboratoryonagivenGC.Whenlaboratorytolaboratorycomparisonhavetobemade,however,itisessentialthattheGCoperatingconditionsbedefinedclosely.SubcommitteeD01.34willbeworkingonthisproblempriortothenextversionofthistestmethod.
【中国标准分类号】:B72
【国际标准分类号】:
【页数】:5P.;A4
【正文语种】:
