【英文标准名称】:Weldingconsumables-Tubularcoredelectrodesformetalarcweldingwithandwithoutagasshieldofnon-alloyandfinegrainsteels-Classification
【原文标准名称】:焊接用料.带有和不带非合金钢及细粒钢气体保护的金属电弧焊接用管状芯焊条.分类
【标准号】:BSEN758-1997
【标准状态】:作废
【国别】:英国
【发布日期】:1997-06-15
【实施或试行日期】:1997-06-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:冲击强度;电弧焊接设备;化学成分;钢;抗拉试验;尺寸;管状;屈服应力;韧性;屈服强度;含量测定;延伸;定型试验;氢;填充金属丝;抗拉强度;熔化电焊条;名称与符号;合金钢;电极;焊条;锰钢;符号;分类系统;机械试验;电弧焊接;电焊条;直径;冲击试验;非合金钢;电气元件;焊接设备
【英文主题词】:Arcwelding;Classification;Coredwireelectrode;Electrodes;Finegrainsteels;Notchedbarimpactwork;Protectivegases;Specification(approval);Unalloyedsteels;Weldedjoints;Welding;Weldingelectrodes;Weldingengineering;Wireelectrodes
【摘要】:Thisstandardspecifiesrequirementsforclassificationoftubularcoredelectrodesintheas-weldedconditionformetalarcweldingwithorwithoutagasshieldofnon-alloyandfinegrainsteelswithaminimumyieldstrengthofupto500N/mm.Onetubularcoredelectrodecanbetestedandclassifiedwithdifferentgases.Itisrecognizedthattheoperatingcharacteristicsoftubularcoredelectrodescanbemodifiedbytheuseofpulsedcurrent,butforthepurposesofthisstandard,pulsedcurrentisnotusedfordeterminingtheelectrodeclassification.
【中国标准分类号】:J33
【国际标准分类号】:25_160_20
【页数】:14P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforDeterminationofOxygenates,Benzene,Toluene,C8-C12AromaticsandTotalAromaticsinFinishedGasolinebyGasChromatography/FourierTransformInfraredSpectroscopy
【原文标准名称】:用气相色谱/傅里叶转换远红外线光谱测定提炼后汽油中氧化物、甲苯、苯、C8-C12芳香族和总芳香族含量的标准试验方法
【标准号】:ASTMD5986-1996(2006)
【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】:D02.04.0L
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:芳香的;苯;化学分析和试验;测定;测量规程;提炼;傅立叶函数;气相色谱法;气体;汽油;红外线;红外线光谱法;氧化处理;试验;甲苯;总量;转换
【英文主题词】:aromatics;benzene;gaschromatography;GC/IR;gasolines;oxygenates;toluene
【摘要】:Testmethodstodetermineoxygenates,benzene,andthearomaticcontentofgasolinearenecessarytoassessproductqualityandtomeetnewfuelregulations.Thistestmethodcanbeusedforgasolinesthatcontainoxygenates(alcoholsandethers)asadditives.Ithasbeendeterminedthatthecommonoxygenatesfoundinfinishedgasolinedonotinterferewiththeanalysisofbenzeneandotheraromaticsbythistestmethod.1.1Thistestmethodcoversthequantitativedeterminationofoxygenates:methyl-t-butylether(MTBE),di-isopropylether(DIPE),ethyl-t-butylether(ETBE),t-amylmethylether(TAME),methanol(MeOH),ethanol(EtOH),2-propanol(2-PrOH),t-butanol(t-BuOH),1-propanol(1-PrOH),2-butanol(2-BuOH),i-butanol(i-BuOH),1-butanol(1-BuOH);benzene,tolueneandC8-C12aromatics,andtotalaromaticsinfinishedmotorgasolinebygaschromatography/FourierTransforminfraredspectroscopy(GC/FTIR).1.2Thistestmethodcoversthefollowingconcentrationranges:0.1-20volume%percomponentforethersandalcohols;0.1-2volume%benzene;1-15volume%fortoluene,10-40volume%total(C6-C12)aromatics.1.3ThemethodhasnotbeentestedbyASTMforrefineryindividualhydrocarbonprocessstreams,suchasreformates,fluidcatalyticcrackingnaphthas,etc.,usedinblendingofgasolines.1.4SIunitsofmeasurementarepreferredandusedthroughoutthistestmethod.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:27_060_10;71_040_50
【页数】:14P.;A4
【正文语种】: