DIN 48807-1974 避雷装置.屋顶引线
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【英文标准名称】:Lightningprotectionsystem;roofbushings
【原文标准名称】:避雷装置.屋顶引线
【标准号】:DIN48807-1974
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:
【原文标准名称】:避雷装置.屋顶引线
【标准号】:DIN48807-1974
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforHazeandLuminousTransmittanceofTransparentPlastics
【原文标准名称】:透明塑料混浊度和透光率的标准试验方法
【标准号】:ASTMD1003-2007e1
【标准状态】:现行
【国别】:美国
【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】:D20.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:haze;luminoustransmittance;regulartransmittance;transparentplastics;Haze;Lighttransmissionandreflection;Spectrophotometry;Transmittanceandreflectance--plastics;Transparentplastics
【摘要】:Lightthatisscattereduponpassingthroughafilmorsheetofamaterialcanproduceahazyorsmokyfieldwhenobjectsareviewedthroughthematerial.Anothereffectcanbeveilingglare,asoccursinanautomobilewindshieldwhendrivingintothesun.Althoughhazemeasurementsaremademostcommonlybytheuseofahazemeter,aspectrophotometermaybeused,providedthatitmeetsthegeometricandspectralrequirementsofSection5.Theuseofaspectrophotometerforhazemeasurementofplasticscanprovidevaluablediagnosticdataontheoriginofthehaze,andProcedureBisdevotedtotheuseofaspectrophotometer.ProcedureA(hazemeter)testvaluesarenormallyslightlyhigherandlessvariablethanProcedureB(spectrophotometer)testvalues.Regularluminoustransmittanceisobtainedbyplacingaclearspecimenatsomedistancefromtheentranceportoftheintegratingsphere.However,whenthespecimenishazy,thetotalhemisphericalluminoustransmittancemustbemeasuredbyplacingthespecimenattheentranceportofthesphere.Themeasuredtotalhemisphericalluminoustransmittancewillbegreaterthantheregularluminoustransmittance,dependingontheopticalpropertiesofthesample.Withthistestmethod,thespecimenisnecessarilyplacedattheentranceportofthesphereinordertomeasurehazeandtotalhemisphericalluminoustransmittance.Hazedatarepresentativeofthematerialmaybeobtainedbyavoidingheterogeneoussurfaceorinternaldefectsnotcharacteristicofthematerial.Hazeandluminous-transmittancedataareespeciallyusefulforqualitycontrolandspecificationpurposes.Beforeproceedingwiththistestmethod,referenceshouldbemadetothespecificationofthematerialbeingtested.Anytestspecimenpreparation,conditioning,dimensions,ortestingparameters,orcombinationthereof,coveredinthematerialsspecificationshalltakeprecedenceoverthosementionedinthistestmethod.Iftherearenomaterialspecifications,thenthedefaultconditionsapply.1.1Thistestmethodcoverstheevaluationofspecificlight-transmittingandwide-angle-light-scatteringpropertiesofplanarsectionsofmaterialssuchasessentiallytransparentplastic.Twoproceduresareprovidedforthemeasurementofluminoustransmittanceandhaze.ProcedureAusesahazemeterasdescribedinSection5andProcedureBusesaspectrophotometerasdescribedinSection8.Materialhavingahazevaluegreaterthan30%isconsidereddiffusingandshouldbetestedinaccordancewithPracticeE167.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Note18212;Forgreaterdiscriminationamongmaterialsthatscatterahighpercentoflightwithinanarrowforwardangle,suchasisthecasewithabradedtransparentplastics,adjustthehazemeterandperformmeasurementsinaccordancewithTestMethodD1044.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note28212;ThistestmethodisnotequivalenttoISO13468x2013;1andISO/DIS14782.
【中国标准分类号】:G31
【国际标准分类号】:83_140_99
【页数】:7P.;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforMortarCement
【原文标准名称】:砂浆水泥的标准规范
【标准号】:ASTMC1329-2005
【标准状态】:现行
【国别】:
【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】:施工材料;砖石工程;砌块;灰浆;标准;单位;粘结强度;水泥灰浆;水泥
【英文主题词】:constructionmaterials;masonry;masonryunits;mortar;mortars;standards;units;bondstrength;cementmortar;cements
【摘要】:
【中国标准分类号】:Q13
【国际标准分类号】:91_100_10
【页数】:4P;A4
【正文语种】:英语
【原文标准名称】:透明塑料混浊度和透光率的标准试验方法
【标准号】:ASTMD1003-2007e1
【标准状态】:现行
【国别】:美国
【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】:D20.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:haze;luminoustransmittance;regulartransmittance;transparentplastics;Haze;Lighttransmissionandreflection;Spectrophotometry;Transmittanceandreflectance--plastics;Transparentplastics
【摘要】:Lightthatisscattereduponpassingthroughafilmorsheetofamaterialcanproduceahazyorsmokyfieldwhenobjectsareviewedthroughthematerial.Anothereffectcanbeveilingglare,asoccursinanautomobilewindshieldwhendrivingintothesun.Althoughhazemeasurementsaremademostcommonlybytheuseofahazemeter,aspectrophotometermaybeused,providedthatitmeetsthegeometricandspectralrequirementsofSection5.Theuseofaspectrophotometerforhazemeasurementofplasticscanprovidevaluablediagnosticdataontheoriginofthehaze,andProcedureBisdevotedtotheuseofaspectrophotometer.ProcedureA(hazemeter)testvaluesarenormallyslightlyhigherandlessvariablethanProcedureB(spectrophotometer)testvalues.Regularluminoustransmittanceisobtainedbyplacingaclearspecimenatsomedistancefromtheentranceportoftheintegratingsphere.However,whenthespecimenishazy,thetotalhemisphericalluminoustransmittancemustbemeasuredbyplacingthespecimenattheentranceportofthesphere.Themeasuredtotalhemisphericalluminoustransmittancewillbegreaterthantheregularluminoustransmittance,dependingontheopticalpropertiesofthesample.Withthistestmethod,thespecimenisnecessarilyplacedattheentranceportofthesphereinordertomeasurehazeandtotalhemisphericalluminoustransmittance.Hazedatarepresentativeofthematerialmaybeobtainedbyavoidingheterogeneoussurfaceorinternaldefectsnotcharacteristicofthematerial.Hazeandluminous-transmittancedataareespeciallyusefulforqualitycontrolandspecificationpurposes.Beforeproceedingwiththistestmethod,referenceshouldbemadetothespecificationofthematerialbeingtested.Anytestspecimenpreparation,conditioning,dimensions,ortestingparameters,orcombinationthereof,coveredinthematerialsspecificationshalltakeprecedenceoverthosementionedinthistestmethod.Iftherearenomaterialspecifications,thenthedefaultconditionsapply.1.1Thistestmethodcoverstheevaluationofspecificlight-transmittingandwide-angle-light-scatteringpropertiesofplanarsectionsofmaterialssuchasessentiallytransparentplastic.Twoproceduresareprovidedforthemeasurementofluminoustransmittanceandhaze.ProcedureAusesahazemeterasdescribedinSection5andProcedureBusesaspectrophotometerasdescribedinSection8.Materialhavingahazevaluegreaterthan30%isconsidereddiffusingandshouldbetestedinaccordancewithPracticeE167.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Note18212;Forgreaterdiscriminationamongmaterialsthatscatterahighpercentoflightwithinanarrowforwardangle,suchasisthecasewithabradedtransparentplastics,adjustthehazemeterandperformmeasurementsinaccordancewithTestMethodD1044.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note28212;ThistestmethodisnotequivalenttoISO13468x2013;1andISO/DIS14782.
【中国标准分类号】:G31
【国际标准分类号】:83_140_99
【页数】:7P.;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforMortarCement
【原文标准名称】:砂浆水泥的标准规范
【标准号】:ASTMC1329-2005
【标准状态】:现行
【国别】:
【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】:施工材料;砖石工程;砌块;灰浆;标准;单位;粘结强度;水泥灰浆;水泥
【英文主题词】:constructionmaterials;masonry;masonryunits;mortar;mortars;standards;units;bondstrength;cementmortar;cements
【摘要】:
【中国标准分类号】:Q13
【国际标准分类号】:91_100_10
【页数】:4P;A4
【正文语种】:英语
