NF R17-202-1978 板簧.板簧剖面
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【英文标准名称】:SPRINGLEAVES.SECTIONOFFLATLEAVES.
【原文标准名称】:板簧.板簧剖面
【标准号】:NFR17-202-1978
【标准状态】:现行
【国别】:法国
【发布日期】:1978-12
【实施或试行日期】:1978-12-15
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:厚度;板簧;外形;运载工具悬挂系统;牙型;摩托车;宽度;尺寸
【英文主题词】:
【摘要】:
【中国标准分类号】:T22
【国际标准分类号】:21_160
【页数】:1P.;A4
【正文语种】:其他
【原文标准名称】:板簧.板簧剖面
【标准号】:NFR17-202-1978
【标准状态】:现行
【国别】:法国
【发布日期】:1978-12
【实施或试行日期】:1978-12-15
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:厚度;板簧;外形;运载工具悬挂系统;牙型;摩托车;宽度;尺寸
【英文主题词】:
【摘要】:
【中国标准分类号】:T22
【国际标准分类号】:21_160
【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】:StandardPracticeforSurfaceWettabilityofCoatings,SubstratesandPigmentsbyAdvancingContactAngleMeasurement
【原文标准名称】:用前进接触角法测量涂料、颜料和基质的表面润湿性的标准实施规程
【标准号】:ASTMD7334-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D01.23
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:advancingcontactangle;contactangle;surfacetension;wettability;wetting
【摘要】:Thisstandardisusefulforcharacterizingthewettabilityofsurfaces.Asurfacethatiseasytowetisoneoverwhichacoatingismorelikelytogivegoodadhesionandappearanceandlesslikelytosuffersurfacetensionrelateddefectssuchascrawling,cratering,pinholingandorangepeel.Thisstandardalsocanbeusedtotestpigmentsurfacesforwettability,particularlybypotentialsurfactant-orresin-baseddispersantsormillbases.Easilywettedpigmentsaremorelikelytobeeasytodisperseanddispersants/millbasesthatwetpigmentsofinterestaremorelikelytodispersethosepigmentswell.Althoughthecontactangleisgovernedbythesurfacetensionsofthetestliquidandtestsurface,theanglecannotprovideasurfacetensionvaluedirectly.Alowadvancingcontactanglevalue(x003C;45x00B0;)isindicativeofwettingandanglesof10to20x00BA;areindicativeofexcellentwetting.Watercanbeusedasatestliquidtoestablish(viatheadvancingcontactangle)whetherasurfaceishydrophilic(anglex003C;45x00BA;),hydrophobic(angle>90x00BA;)orsomewherein-between(angleof45to90x00BA;).Watercontactangleshavebeenusedtoestimatesurfacecleanlinessbeforeandaftercleaningoperations,easeofwettabilityofsurfacesbywaterbornecoatingsandtheeffectivenessofrinsingprocesses.Anorganicliquidsuchasasolventalsocanbeusedtocharacterizeasubstrate,coatingorpigment.Theresultantcontactanglewilldependonthesurfacetensionsoftheliquidandthetestsurface.Alowsurfacetension(energy)testsurfacewillnotbewetbyahighsurfacetensionliquid.Inadditiontowaterandsolvents,asurfactantdispersionordispersantsolutioncanbeusedtotestapigmentsurface.Anytestliquidthatisapotentialdispersantforatestpigmentmustwetthepigmentwelloritwillnotworkasadispersant.Contactanglemeasurementscanbeusedtomapsurfacesintermsofhydrophilicity,presenceoflowsurfacetensioncomponentsorcontaminants,orvariationsincomposition.Otheranalyticalmethodssuchasinfraredmicroscopywouldbeneededtoidentifythechemicalmoietiesthatgivethecontactangledifferences.Thistestmethodcanbeusedonnearlyallcoatingsandsubstratesandmaybeextendedtopigmentsbycompressingthepigmentpowderintoasoliddisk.1.1Thispracticecoversthemeasurementoftheangleofcontactwhenadropofliquidisappliedtoacoatedsurface,substrate,orpreformeddiskofpigment.1.2Therearetwotypesofcontactangles,advancingandreceding.Thisstandarddealsonlywithadvancingcontactangles.1.3Thispracticeisintendedtosupplementthemanufacturerx2019;sinstructionsforthedevicebeingusedtomakethemeasurements,butisnotintendedtoreplacethem.1.4Acommontestliquidiswater,butmanyotherliquidssuchassolvents,surfactantanddispersantsolutionsandevenliquidpaintscanbeused.1.5Thispracticeisbasedongoniometry,whichinvolvestheobservationofasessiledropoftestliquidonasolidsubstrate.1.6Althoughcontactanglesaregovernedbysurfacetension,thisstandardcannotbeusedtomeasuresurfacetensiondirectly.1.7ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithits......
【中国标准分类号】:G51
【国际标准分类号】:87_040
【页数】:3P.;A4
【正文语种】:英语
【英文标准名称】:ElectromagneticcompatibilityandRadiospectrumMatters(ERM)-ShortRangeDevices(SRD)usingUltraWideBandtechnology(UWB)forcommunicationspurposes-HarmonizedENcoveringessentialrequirementsofarticle3.2oftheR&TTEDirective(Endorsement
【原文标准名称】:电磁兼容性和无线电频谱事项(ERM).使用超宽带技术(UWB)短距装置(SRD).涵盖R&TTE指令第3.2款基本要求的协调的欧洲标准
【标准号】:EN302065-2010
【标准状态】:现行
【国别】:
【发布日期】:2011-04
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Broadband;Communication;Communicationtechnology;Compatibility;Electromagneticcompatibility;EMC;Measuringtechniques;Parameters;Radioengineering;Radioplants;Radiosystems;Radiotransmitters;Ratings;Signaltransmission;Telecommunication;Telecommunications;Wirelesscommunicationservices
【摘要】:
【中国标准分类号】:
【国际标准分类号】:33_060_20
【页数】:2P;A4
【正文语种】:英语
【原文标准名称】:用前进接触角法测量涂料、颜料和基质的表面润湿性的标准实施规程
【标准号】:ASTMD7334-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D01.23
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:advancingcontactangle;contactangle;surfacetension;wettability;wetting
【摘要】:Thisstandardisusefulforcharacterizingthewettabilityofsurfaces.Asurfacethatiseasytowetisoneoverwhichacoatingismorelikelytogivegoodadhesionandappearanceandlesslikelytosuffersurfacetensionrelateddefectssuchascrawling,cratering,pinholingandorangepeel.Thisstandardalsocanbeusedtotestpigmentsurfacesforwettability,particularlybypotentialsurfactant-orresin-baseddispersantsormillbases.Easilywettedpigmentsaremorelikelytobeeasytodisperseanddispersants/millbasesthatwetpigmentsofinterestaremorelikelytodispersethosepigmentswell.Althoughthecontactangleisgovernedbythesurfacetensionsofthetestliquidandtestsurface,theanglecannotprovideasurfacetensionvaluedirectly.Alowadvancingcontactanglevalue(x003C;45x00B0;)isindicativeofwettingandanglesof10to20x00BA;areindicativeofexcellentwetting.Watercanbeusedasatestliquidtoestablish(viatheadvancingcontactangle)whetherasurfaceishydrophilic(anglex003C;45x00BA;),hydrophobic(angle>90x00BA;)orsomewherein-between(angleof45to90x00BA;).Watercontactangleshavebeenusedtoestimatesurfacecleanlinessbeforeandaftercleaningoperations,easeofwettabilityofsurfacesbywaterbornecoatingsandtheeffectivenessofrinsingprocesses.Anorganicliquidsuchasasolventalsocanbeusedtocharacterizeasubstrate,coatingorpigment.Theresultantcontactanglewilldependonthesurfacetensionsoftheliquidandthetestsurface.Alowsurfacetension(energy)testsurfacewillnotbewetbyahighsurfacetensionliquid.Inadditiontowaterandsolvents,asurfactantdispersionordispersantsolutioncanbeusedtotestapigmentsurface.Anytestliquidthatisapotentialdispersantforatestpigmentmustwetthepigmentwelloritwillnotworkasadispersant.Contactanglemeasurementscanbeusedtomapsurfacesintermsofhydrophilicity,presenceoflowsurfacetensioncomponentsorcontaminants,orvariationsincomposition.Otheranalyticalmethodssuchasinfraredmicroscopywouldbeneededtoidentifythechemicalmoietiesthatgivethecontactangledifferences.Thistestmethodcanbeusedonnearlyallcoatingsandsubstratesandmaybeextendedtopigmentsbycompressingthepigmentpowderintoasoliddisk.1.1Thispracticecoversthemeasurementoftheangleofcontactwhenadropofliquidisappliedtoacoatedsurface,substrate,orpreformeddiskofpigment.1.2Therearetwotypesofcontactangles,advancingandreceding.Thisstandarddealsonlywithadvancingcontactangles.1.3Thispracticeisintendedtosupplementthemanufacturerx2019;sinstructionsforthedevicebeingusedtomakethemeasurements,butisnotintendedtoreplacethem.1.4Acommontestliquidiswater,butmanyotherliquidssuchassolvents,surfactantanddispersantsolutionsandevenliquidpaintscanbeused.1.5Thispracticeisbasedongoniometry,whichinvolvestheobservationofasessiledropoftestliquidonasolidsubstrate.1.6Althoughcontactanglesaregovernedbysurfacetension,thisstandardcannotbeusedtomeasuresurfacetensiondirectly.1.7ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithits......
【中国标准分类号】:G51
【国际标准分类号】:87_040
【页数】:3P.;A4
【正文语种】:英语
【英文标准名称】:ElectromagneticcompatibilityandRadiospectrumMatters(ERM)-ShortRangeDevices(SRD)usingUltraWideBandtechnology(UWB)forcommunicationspurposes-HarmonizedENcoveringessentialrequirementsofarticle3.2oftheR&TTEDirective(Endorsement
【原文标准名称】:电磁兼容性和无线电频谱事项(ERM).使用超宽带技术(UWB)短距装置(SRD).涵盖R&TTE指令第3.2款基本要求的协调的欧洲标准
【标准号】:EN302065-2010
【标准状态】:现行
【国别】:
【发布日期】:2011-04
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Broadband;Communication;Communicationtechnology;Compatibility;Electromagneticcompatibility;EMC;Measuringtechniques;Parameters;Radioengineering;Radioplants;Radiosystems;Radiotransmitters;Ratings;Signaltransmission;Telecommunication;Telecommunications;Wirelesscommunicationservices
【摘要】:
【中国标准分类号】:
【国际标准分类号】:33_060_20
【页数】:2P;A4
【正文语种】:英语
