NF B57-080-1977 软木.地板用胶凝软木板.特性
时间:2024-05-07 18:02:41 来源: 标准资料网 作者：标准资料网 阅读：9673
【英文标准名称】:Cork.agglomeratedslabsforfloorings.characteristics.
【原文标准名称】:软木.地板用胶凝软木板.特性
【标准号】:NFB57-080-1977
【标准状态】:现行
【国别】:法国
【发布日期】:1977-06-01
【实施或试行日期】:1977-05-31
【发布单位】:法国标准化协会(AFNOR)
【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】:B70
【国际标准分类号】:79_060_10;79_100;97_150
【页数】:3P;A4
【正文语种】:其他
【英文标准名称】:FoodEquipment
【原文标准名称】:食品设备
【标准号】:ANSI/NSF2(i4)-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】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:食品;个人保健;保护(装置)
【英文主题词】:Foodproducts;Personalhealth;Protection
【摘要】:Issue4-Thepurposeofthisballotistoupdatesection5.35Foodshields.
【中国标准分类号】:X90
【国际标准分类号】:
【页数】:
【正文语种】:英语
【英文标准名称】:StandardGuideforComparisonofFieldMethodsforDeterminingHydraulicConductivityintheVadoseZone
【原文标准名称】:测定流区中测定液体传导指数现场比较法的标准指南
【标准号】:ASTMD5126/D5126M-1990(2010)e1
【标准状态】:现行
【国别】:美国
【发布日期】:1990
【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】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:air-entrypermeameter;air-entryvalue;boreholepermeameter;hydraulicconductivity;infiltrometer;vadosezonemonitoring;Singleringinfiltrometers;Soil;Unsaturatedhydraulicconductivity;Vadosezonemonitoring;Airentrypermeameter;Boreholeper
【摘要】:Saturatedhydraulicconductivitymeasurementsaremadeforavarietyofpurposesvaryingfromdesignoflandfillsandconstructionofclaylinerstoassessmentofirrigationsystems.Infiltrometersarecommonlyusedwhereinfiltrationorpercolationratesthroughasurfaceorsubsurfacelayeraredesired.Evaluationoftherateofwatermovementthroughapondlinerisoneexampleofthiskindofmeasurement.Penetrationofthelinerbyaboreholewouldinvalidatethemeasurementoflinerpermeability.Ithasbeennotedthatsmall-ringinfiltrometersaresubjecttoerrorduetolateraldivergenceofflow.Therefore,techniquesusingverylarge(1to2-mdiameter)infiltrationbasinshavebeenrecommendedformeasuringtheveryslowpercolationratestypicallyrequiredforclayliners.Theair-entrypermeametercanbeusedinsteadofinfiltrometerteststoavoidlateraldivergenceofflow.However,becauseacylindermustbedrivenintothemediatested,theactualsoilcolumntestedmaybedisruptedbyintroductionofthecylinder,especiallyinstructuredsoils.Boreholetestsfordeterminingsaturatedhydraulicconductivityareapplicableforevaluatingtherateofwatermovementthroughsubsurfacelayers.Forslowlypermeablelayers,anaccuratemethodofmeasuringtherateofwatermovementinto1.1Thisguidecoversareviewofthetestmethodsfordetermininghydraulicconductivityinunsaturatedsoilsandsediments.Testmethodsfordeterminingbothfield-saturatedandunsaturatedhydraulicconductivityaredescribed.1.2Measurementofhydraulicconductivityinthefieldisusedforestimatingtherateofwatermovementthroughclaylinerstodetermineiftheyareabarriertowaterflux,forcharacterizingwatermovementbelowwastedisposalsitestopredictcontaminantmovement,andtomeasureinfiltrationanddrainageinsoilsandsedimentforavarietyofapplications.Testmethodsareneededformeasuringhydraulicconductivityrangingfrom1x00D7;10x2212;2to1x00D7;10x2212;8cm/s,forbothsurfaceandsubsurfacelayers,andforbothfield-saturatedandunsaturatedflow.1.3Forthesefieldtestmethodsadistinctionmustbemadebetweenx201C;saturatedx201D;(Ks)andx201C;field-saturatedx201D;
【中国标准分类号】:A44
【国际标准分类号】:07_060
【页数】:11P.;A4
【正文语种】:英语