DIN ISO 9022-16-2001 光学和光学仪器.环境试验方法.第16部分:跳动或稳定状态的加速度与干热或干冷组合试验

上一篇: DIN ISO 9022-19-2001 光学和光学仪器.环境试验方法.第19部分:温度循环正弦或随机振动组合试验
下一篇: DIN ISO 9022-13-2001 光学和光学仪器.环境试验方法.第13部分:组合冲击、碰撞或自由跌落与干热或干冷试验

【英文标准名称】:Aluminiumandaluminiumalloys-ExtrudedprecisionprofilesinalloysENAW-6060andENAW-6063-Part2:Tolerancesondimensionsandform;EnglishversionofDINEN12020-2:2008-06
【原文标准名称】:铝和铝合金.ENAW-6060和ENAW-6063合金中挤压的精密型材.第2部分:尺寸和形状公差
【标准号】:EN12020-2-2008
【标准状态】:现行
【国别】:
【发布日期】:2008-06
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:合金;铝;铝合金;铝型材;化学成分;挤压的;形状公差;检验;极限偏差;有色金属合金;有色金属;精密型材;剖面图;性能;质量保证;抽样方法;规范(验收);表面;测试
【英文主题词】:Alloys;Aluminium;Aluminiumalloys;Aluminiumprofile;Chemicalcomposition;Extruded;Formtolerances;Inspection;Limitdeviations;Non-ferrousalloys;Non-ferrousmetals;Precisionprofiles;Profile;Properties;Qualityassurance;Samplingmethods;Specification(approval);Surfaces;Testing
【摘要】:
【中国标准分类号】:H61
【国际标准分类号】:77_150_10
【页数】:18P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforButadienePurityandHydrocarbonImpuritiesbyGasChromatography
【原文标准名称】:用气相色谱法测定丁二烯纯度和烃类杂质的标准试验方法
【标准号】:ASTMD2593-1993(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1993
【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.D0.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:butadiene;gaschromatography;Butadiene--polymerizationgrade;Gaschromatography(GC)--petroleumproducts;Hydrocarbonimpurities
【摘要】:Thetracehydrocarboncompoundslistedcanhaveaneffectinthecommercialuseofbutadiene.Thistestmethodissuitableforuseinprocessqualitycontrolandinsettingspecifications.1.1Thistestmethodcoversthedeterminationofbutadiene-1,3purityandimpuritiessuchaspropane,propylene,isobutane,n-butane,butene-1,isobutylene,propadiene,trans-butene-2,cis-butene-2,butadiene-1,2,pentadiene-1,4,and,methyl,dimethyl,ethyl,andvinylacetyleneinpolymerizationgradebutadienebygaschromatography.Impuritiesincludingbutadienedimer,carbonyls,inhibitor,andresiduearemeasuredbyappropriateASTMproceduresandtheresultsusedtonormalizethecomponentdistributionobtainedbychromatography.Note18212;Otherimpuritiespresentincommercialbutadienemustbecalibratedandanalyzed.Otherimpuritieswerenottestedinthecooperativeworkonthistestmethod.Note28212;Thistestmethodcanbeusedtocheckforpentadiene-1,4andotherC5sinsteadofTestMethod.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificwarningstatements,see6.1and9.3.
【中国标准分类号】:G16
【国际标准分类号】:71_080_10
【页数】:7P.;A4
【正文语种】:英语