您的位置: 标准下载 » 国际标准 » NF 法国标准 »

NF E35-301-1944 冷冻设备.方形冰冷冻器.25kg型

作者:标准资料网 时间:2024-05-14 04:31:47  浏览:9747   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Refrigeratingequipment.Squareicecompartment25kgtype.
【原文标准名称】:冷冻设备.方形冰冷冻器.25kg型
【标准号】:NFE35-301-1944
【标准状态】:现行
【国别】:法国
【发布日期】:1944-11
【实施或试行日期】:1944-11-30
【发布单位】:(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸;钢;铸模设备;金属;层覆材料;名称与符号;冰;规范;镀锌;镀锌材料;金属制品;薄板材钢;金属板
【英文主题词】:
【摘要】:
【中国标准分类号】:J73
【国际标准分类号】:27_200
【页数】:1P.;A4
【正文语种】:其他


下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforDeterminationofCorrosionandFoulingTendencyofCoolingWaterUnderHeatTransferConditions
【原文标准名称】:在传热条件下测定冷却水的腐蚀和污染倾向的标准试验方法
【标准号】:ASTMD4778-2005
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:冷却系统;腐蚀;污染;试验;水
【英文主题词】:water;contamination;testing;coolingsystems;corrosion
【摘要】:
【中国标准分类号】:Z16
【国际标准分类号】:13_060_60
【页数】:5P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodsforStructuralPanelsinPlanarShear(RollingShear)
【原文标准名称】:结构受力壁板平面剪切(滚剪)的试验方法
【标准号】:ASTMD2718-2000(2006)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:施工材料;试验;木材
【英文主题词】:shear;sheardistortion;shearproperties;structuralpanels
【摘要】:1.1Thesetestmethodsdeterminetheshearpropertiesofstructuralpanelsassociatedwithsheardistortionoftheplanesparalleltotheedgeplanesofthepanels.Bothshearstrengthandmodulusofrigiditymaybedetermined.Primarily,thetestsmeasuretheplanarshear(rollingshear)strengthdevelopedintheplaneofthepanel.1.2Structuralpanelsinuseincludeplywood,waferboard,orientedstrandboard,andcompositesofveneerandofwood-basedlayers.1.3Twotestmethodsareincluded:1.3.1TestMethodAPlanarshearloadedbyplates.1.3.2TestMethodBPlanarshearinducedbyfive-pointbending.1.3.3Thechoiceofmethodwillbedictatedbythepurposeofthetestandequipmentavailable.1.3.4TestMethodA,PlanarShearLoadedbyPlatesThistestmethodusesarectangularpanelsectionadheredbetweensteelplateswithprotrudingknifeedgestocreateloadatthepanelfaces.Thistestmethodhasbeenusedtodevelopshearpropertiesofplywoodandorientedstrandboardforthepurposeofconfirmingdesignvalues.Thistestmethoddoesnotproducepureshear,butthespecimenlengthisprescribedsothatthesecondarystresseshaveaminimumeffect.Themethoddeterminesshearstrengthandmodulusofrigidity.1.3.5TestMethodB,PlanarShearInducedbyFive-PointBendingPlanarshearstressisinducedonthepanelwhileloadedinbendingusingtwocontinuousspans.Thistestmethoddeterminesplanarshearstrengthconsistentwithpanelapplicationsundertransverseloading.Thistestmethodisabletodetermineshearstrengthatanymoisturecondition.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.4Thespecimenhavingtheformofarectangularflatplateisbondedbetweensteelplatesbeveledatoppositeendsofthespecimentoprovideknifeedgesforloadingtheplateatthefacebondedtothespecimen.Theknifeedgesprojectbeyondtheendsofthespecimen.Thistestmethodisconductedbyloadingtheknifeedgesincompressionatauniformratewhileasuitablegagemeasuresslipbetweentheplatesduetospecimendeformation.Shearstrengthiscomputedfrommaximumload,andeffectiveshearmodulusforthespecimenisdeterminedfromaplotofloadversusslip.1.5Specimensaretestedinatwo-spancontinuousbeamsupportconfigurationwithlineloadsappliedatmidspanofeachspanasshownin.Inducedshearstressesareconsistentwiththosedevelopedinconventionalpanelapplicationsundertransverseloading.Specimensmaybetestedinanymoisturecondition.Note1Researchthatledtothedevelopmentofthetestmethodisavailable.,Researchonthetestmethod''susefulnessfordeterminingelasticconstantsisalsoavailable.
【中国标准分类号】:P23
【国际标准分类号】:79_060_10
【页数】:6P.;A4
【正文语种】: