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JJD 1002-1991 紫外/可见分光光度计

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基本信息
标准名称:紫外/可见分光光度计
英文名称:Verification Regulation of UV/VIS Spectrophotometers
中标分类: 综合 >> 计量 >> 化学计量
发布日期:1991-08-01
实施日期:1992-07-01
首发日期:
作废日期:
出版日期:
页数:12页
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所属分类: 综合 计量 化学计量
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【英文标准名称】:StandardSpecificationforSafetyandPerformanceofFun-Karts
【原文标准名称】:游乐车安全和性能的标准规范
【标准号】:ASTMF2011-2002
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:规范;机动车工程;游乐设备;安全要求
【英文主题词】:specification;safetyrequirements;vehicularengineering;recreationalequipment
【摘要】:
【中国标准分类号】:Y57
【国际标准分类号】:43_160
【页数】:10P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforMeasuringtheYieldforAerosolFoamSealants
【原文标准名称】:气溶胶泡沫密封剂流动性测量的标准试验方法
【标准号】:ASTMC1536-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:C24.61
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:气溶胶;气溶胶泡沫;气障泡沫密封剂;空气渗出;空气渗透;泡沫密封剂;乳胶发泡胶;聚氨酯泡沫密封剂;屈服值/测量;气溶胶容器/产品;乳胶发泡体;聚氨酯泡沫塑料
【英文主题词】:aerosol;aerosolfoam;airbarrierfoamsealant;airexfiltration;airinfiltration;foamsealant;latexfoamsealant;polyurethanefoamsealant;Yieldvalue/measurement;Aerosolcontainers/products;Aerosolfoam;Airbarrierfoamsealant;Airinfiltrati
【摘要】:Theyieldmeasurementofaerosolfoamsealantsisusedtoindicatetheamountoffoamsealantthatcanbeobtainedfromasinglecanofproduct.Theyielddoesnotpredicttheperformancecapabilityofthefoamsealantproductoritssuitabilityfortheintendedapplication.ProcedureAwasdevelopedforusewithproductsthatcanbevolumetricallymeasuredbysubmersioninwater.ProcedureBwasdevelopedforproductthatcannotbemeasuredbyusingawaterdisplacementmethod.Yieldisoftendependentonthebeadsizedispensed.Extrapolationoftestresultsusingdatameasuredforlargersizebeadstoestimatesmallersizedbeadshasshowninaccuracies.Sinceyieldwillbereportedbasedonthediameterofthecuredbead(notinitialbeadsize),theoperatorshalldeterminethenominalinitialbeadsizerequiredtoproduceaspecificnominalcuredbeaddiameter.Thisfoamcharacteristic,calledx201C;postdispensingcontractionx201D;orx201C;postdispensingexpansion,x201D;isdefinedinTerminologyC717.1.1Thistestmethoddeterminesthequantityoflinearunitsofafoamsealanthavingaspecifiedbeaddiameterthatmaybeobtainedfromasinglecanofaerosolproduct.Four(4)cansarerequiredforeachproductdetermination.1.2Thetestmethodisintendedtoestimatethecontentsoftheaerosolcontainer(1)forpurposesoflabelstatements,and(2)toprovidetheuserinformationneededtoestimatejobrequirements.1.3Foamsealantsareusedforavarietyofend-useapplicationsbutareprimarilyintendedtoreduceairmovementinthebuildingenvelope.1.4Currently,twomainfoamsealanttypesareapplicabletothisstandard:singlecomponentpolyurethaneandlatex.1.5Thereisnootherknownstandardtestmethodtomeasureaerosolfoamsealantyield.1.6ValuesarereportedinSIunitsonly.Certainapparatusandsupplyitemsarereferencedininch-poundunitsforpurchasingpurposes.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q24
【国际标准分类号】:91_100_50
【页数】:5P.;A4
【正文语种】: