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【英文标准名称】:EquipmentEngineering(EE)-Environmentalconditionsandenvironmentaltestsfortelecommunicationsequipment-Part2-2:Specificationofenvironmentaltests,transportation(EndorsementoftheEnglishversionEN300019-2-2V2.1.2(1999-09)asGermans
【原文标准名称】:设备工程(EE).电信设备环境条件和环境试验.第2-2部分:运输环境试验规范
【标准号】:DINEN300019-2-2-2000
【标准状态】:现行
【国别】:德国
【发布日期】:2000-05
【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】:环境影响;电气工程;气候试验;仪器;运输;环境试验;仪器工艺;设备配置;通信设备;环境条件;环境;电信;电信;耐力;试验;试验;极限(数学);分类
【英文主题词】:
【摘要】:Thedocumentspecifiesthetestseveritiesandmethodsforverificationoftherequiredresistibilityofequipmentaccordingtotherelevantinvironmentalclass.ThetestsdefinedinPart2-2ofthismulti-partstandardapplytotransportationofequipmentcoveringtheenviromentalconditionsstatedinEN300019-1-2.
【中国标准分类号】:M04
【国际标准分类号】:33_050_01
【页数】:1P;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforShearModulusofWood-BasedStructuralPanels
【原文标准名称】:木基结构板剪切模数的标准试验方法
【标准号】:ASTMD3044-1994(2006)
【标准状态】:现行
【国别】:
【发布日期】:1994
【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】:D07.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:胶合板;建筑;施工材料;木材;试验;剪切模量
【英文主题词】:shearmodulus;structuralpanel;wood
【摘要】:ThistestmethodismostusefulfordeterminingthemoduliofrigidityoforthotropicmaterialsforwhichmoduliofrigiditycannotbecomputedfromelasticmoduliandPoissonrsquo;ratios.Theshearmodulusdeterminedbythismethodappearsintheequationgoverningthebendingofaplate.Thisisthemodulusthatisneededindiscussingthedeflectionandbucklingofplates.1.1Thistestmethodcoversdeterminationoftheshearmodulusofwood-basedstructuralpanelsassociatedwithsheardistortionintheplaneofthepanels.Themethodisapplicabletoalltypesofwood-basedstructuralpanels.Thegraindirectionororientationoftheindividualplies,laminations,orlayersshallbeparallelorperpendiculartotheedgeofthetestspecimen.Iftheplies,laminations,orlayersareofdifferentmaterialorelasticproperties,themethodgivestheeffectiveshearingmodulus.Wood-basedstructuralpanelsinuseincludeplywood,waferboard,orientedstrandboard,andcompositesofveneerandofwood-basedlayers.Note18212;Thistestmethodisprimarilydesignedformaterialinwhichthegrainororientationoftheindividualplies,laminations,orlayersisparallelorperpendiculartotheedgeofthespecimen.Itmaybeused,however,forplywoodspecimensinwhichthegrainisat45tothespecimenedgesifafour-plypanelwithallpliesofthesamethicknessisused.ThecontrollingconditionisthattheEI(modulusofelasticitymomentofinertia)valuesalongbothdiagonalsshallbeequal.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:B70
【国际标准分类号】:79_060_10
【页数】:3P.;A4
【正文语种】: