您的位置: 标准下载 » 国际标准 » ANSI 美国国家标准 »

ANSI/ASTM E1794-2003 (华氏200度/高湿度用的)II型板的泡沫芯夹层板(1)的胶粘剂规范(04.11)

作者:标准资料网 时间:2024-05-23 14:15:21  浏览:8326   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:SpecificationforAdhesiveforBondingFoamCoredSandwichPanels(1)(200DegreesFElevatedHumidityService)TypeIIPanels(04.11)
【原文标准名称】:(华氏200度/高湿度用的)II型板的泡沫芯夹层板(1)的胶粘剂规范(04.11)
【标准号】:ANSI/ASTME1794-2003
【标准状态】:作废
【国别】:美国
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:复合材料;绝缘纤维板;热稳定性;胶粘剂
【英文主题词】:adhesives;insulatingboards;thermalstability;compositematerials
【摘要】:
【中国标准分类号】:Q27
【国际标准分类号】:83_180
【页数】:
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardGuideforRapidScreeningofVegetationforRadioactiveStrontiumAerialDeposition
【原文标准名称】:放射锶空中沉积用植物的快速筛检用标准指南
【标准号】:ASTMD7362-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D19.04
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:沉积;计量学;辐射测量;放射性;屏蔽;锶;植物
【英文主题词】:emergencyresponse;LiquidScintillationCounting;SolidPhaseExtraction;strontium-89;strontium-90;vegetation
【摘要】:Strontium-90isamajorcomponentofnuclearwasteandisalsoapotentialradioisotopeforuseasaweaponofmassdestructioninaradiologicaldispersaldevice.Itisabeta-emittingradioisotopewithmoderatehalf-life(~30years).Strontium-89isalsoabetaemittingradionuclide,butwithahalf-lifeofonly~50daysitisnotusuallypresentinsignificantquantities.Ifingestedtheradiostrontiummaydepositintheboneofanindividualandthuscancontributeasignificantradiologicaldosetoanaffectedperson.Followinganexplosioninwhichradioactivematerialwaspresent,thepotentialexistsforthematerialtobecomeairborne.Itwillquicklyattachtoatmosphericparticlesandbedepositedonsurfacesastheplumepasses.Thisguideprovidesarapidprocedurebywhichvegetationcanbescreenedtodetermineifradiostrontiumispresentandtoprovideaconservativeestimateofitsdepositiononvegetation.Thisguideisintendedtobeusedinafieldportablelab,orifneeded,canbeperformedcompletelyinthefield;thereforenohazardouschemicalsarerequiredtocompletetheanalysis.However,anoptionfortheuseofacidincertainstepsisdocumentedinthisguide.Thisguideisnotintendedtobeusedforscreeningfoodproductsoranimalfeedfollowinganaccidentorincident.1.1Thisguideprovidesarapidprocedurebywhichvegetationsamplesmaybescreenedforsurfacecontaminationofradioactivestrontium(89Srand90Sr,collectivelyreferredtoasradiostrontium)followinganairborneradioactivedispersalevent.Itprovidesaconservativeestimateofradiostrontiumdepositionthatcanbeusedbydecisionmakersforimmediateactionspriortoobtainingdefinitiveresultsfromafixedlaboratoryasset.1.2Insolubleformsofradiostrontium,suchasthestrontium(90Sr)titanate(SrTiO3)usedinradio-isotopethermal-electricgenerators(RTGs),willnotbemeasuredbythismethod.1.3Non-SIunitsareusedinthecalculationsofthisguideforeaseofuseduringtheemergencyphaseofanevent.Theinstrumentationusedtypicallyprovidescountratesincountsperminute(cpm)ratherthanpersecond(s-1,theSIunit),thusactivityisexpressedindpm(decaysperminute)ratherthanBq.Additionally,USEPAprotectiveguidelinesforsurfacecontaminationareexpressedindpm/100cm2.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F74
【国际标准分类号】:17_240
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:Guideforthedeterminationofthermalendurancepropertiesofelectricalinsulatingmaterials.Generalproceduresforthedeterminationofthermalenduranceproperties,temperatureindicesandthermalenduranceprofiles
【原文标准名称】:电绝缘材料耐热性能测定指南.第1部分:耐热性、温度指数和耐热性分布曲线的测定通用规程
【标准号】:BS5691Pt.1-1979
【标准状态】:作废
【国别】:英国
【发布日期】:1979-02-28
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:试验持续时间;热试验;固体绝缘材料;试验条件;耐久试验;电绝缘材料
【英文主题词】:solidelectricalinsulatingmaterials;electricalinsulatingmaterials;testduration;testingconditions;endurancetesting;thermaltesting
【摘要】:
【中国标准分类号】:K15
【国际标准分类号】:
【页数】:20P;A4
【正文语种】:英语