EN ISO 9692-3-2001 焊接和相关工艺.焊缝准备推荐标准.第3部分:铝和铝合金的金属极惰性气体保护焊和钨极惰性气体保护焊
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【英文标准名称】:Weldingandalliedprocesses-Recommendationsforjointpreparation-Part3:Metalinertgasweldingundtungsteninertgasweldingofaluminiumanditsalloys(ISO9692-3:2001);GermanversionENISO9692-3:2001
【原文标准名称】:焊接和相关工艺.焊缝准备推荐标准.第3部分:铝和铝合金的金属极惰性气体保护焊和钨极惰性气体保护焊
【标准号】:ENISO9692-3-2001
【标准状态】:现行
【国别】:
【发布日期】:2001-07
【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】:边缘形状;对接焊;焊缝;焊缝准备;气焊;对接接头;缝焊;金属极惰气保护焊;焊接接头;钢;焊接;钢件焊接;铝;推荐;规范;焊缝坡口加工;金属焊接;焊接工程;钨极惰性气体保护焊;铝合金;气体保护电弧焊接
【英文主题词】:Aluminium;Aluminiumalloys;Buttjoints;Buttwelding;Edgeforms;Gaswelding;Inertgas-shieldedarcwelding;Metalwelding;MIGwelding;Recommendation;Seamwelding;Specification;Steelwelding;Steels;TIGwelding;Tungsteninert-gaswelding;Weldpreparation;Weldpreparations;Weldedjoints;Welding;Weldingengineering;Welds
【摘要】:
【中国标准分类号】:J33
【国际标准分类号】:25_160_40
【页数】:13P.;A4
【正文语种】:英语
【英文标准名称】:StandardGuideforMoistureConditioningofWoodandWood-BaseMaterials
【原文标准名称】:木材和木基材料湿度的调节的标准指南
【标准号】:ASTMD4933-1999(2004)
【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】:D07.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:分析;导则;潮气;木材
【英文主题词】:equilibriummoisturecontent;moistureconditioning;moisturecontent;wood;wood-basedmaterials
【摘要】:Manyphysicalandmechanicalpropertiesofwoodandwood-basedmaterialschangeinresponsetotheenvironmentalequilibriummoisturecontent,andanycomparisonofthesepropertiesmusttakemoisturecontentintoaccount.Aconsistentbaseforcomparisonamongdifferenttestsamplesanddifferentlaboratoriesisnecessary.Shrinkageanddimensionalchangeinparticulararedependentonmoisturecontent,andtestsinvolvingtheirmeasurementmustbeconductedwithgoodequilibriummoisturecontentcontrol.Conditioningcanalsobeimportantinindustrialsettingswherethereareoptimummoisturecontentlevelsformanyproductsandprocesses,andconformancetotheselevelscanreducelossesinqualityandyield.1.1Thisguidecoversstandardproceduresforconditioningandequilibratingwoodandwood-basematerialstoconstantmoisturecontent.Theproceduresapplytosolidwood,wood-basefiberandparticulatematerialsandpanels,andwoodproductscontainingadhesives.Theyareintendedforuseinresearchanddevelopmentactivities,testinglaboratories,qualitycontrol,andforallotherclassesofproducersandusers.Thisguideincludesbackgroundmaterialontheimportanceofmoisturecontentcontrol,importantdefinitionsandtechnicaldata,possibletypesofapparatus,procedures,andtheimportanceofconditioningtime.Usersshouldrecognizethatthenecessarydegreeofprecisionandbiasvarieswiththeintentionsoftheusers.Someresearchandtesting,forexample,mightrequireveryclosecontrolofmoisturecontent,whereascontrolinanindustrialstoragefacilitymightnotrequiresuchclosecontrol.Thisguideoffersproceduresthatincludethesedifferentrequirements.1.2Thefollowingsafetyhazardscaveatpertainsonlytotheproceduresection,Section6,ofthisguide.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B68
【国际标准分类号】:79_060_01
【页数】:8P.;A4
【正文语种】:
【英文标准名称】:MethodforEstimationofMolecularWeightofPetroleumOilsfromViscosityMeasurements(05.01)
【原文标准名称】:从粘度测量估算石油分子量的方法
【标准号】:ANSI/ASTMD2502-2004
【标准状态】:作废
【国别】:美国
【发布日期】:2004
【实施或试行日期】:2004-04-01
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:石油产品;试验;粘度
【英文主题词】:Estimation;Lubricants;Measurement;Molecularweight;Petroleumproducts;Testing;Viscosity
【摘要】:Thistestmethodcoverstheestimationofthemeanmolecularweight(relativemolecularmass)ofpetroleumoilsfromkinematicviscositymeasurementsat100and210?F(37.78and98.89?C).Itisapplicabletosampleswithmolecularweightsintherangefrom250to700andisintendedforusewithaveragepetroleumfractions.Itshouldnotbeappliedindiscriminatelytooilsthatrepresentextremesofcompositionorpossessanexceptionallynarrowmolecularweight(relativemolecularmass)range.Valuesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareprovidedforinformationpurposesonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E20
【国际标准分类号】:75_080
【页数】:
【正文语种】:英语
