NF E75-220-1999 粘结磨料产品的安全性要求

上一篇: NF A09-020-1-1999 无损检测.术语.第1部分:通用术语(EN1130-1)
下一篇: NF A09-020-2-1999 无损检测.术语.第2部分:检测方法通用术语(EN1330-2)

【英文标准名称】:Aerospaceseries-Handheldfireextinguisherswithsynthesisgases,foraircraftuse-Technicalspecificationandqualificationconditions;GermanandEnglishversionEN4649:2009
【原文标准名称】:航空航天系列.飞行器用带合成气手持灭火器.技术规范和资质条件.德文版本和英文版本EN4649-2009
【标准号】:DINEN4649-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-07
【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】:验收规范;航空工程;航空航天运输;航空运输;航空器;定义;交货条件;设计;灭火剂;灭火器;消防器械;消防设备;气体;手提灭火器;检验;制造;作标记;材料;金属容器;多语种的;便携灭火器;压力容器;合格测试;合格试验;质量;质量保证;评定;规范(验收);规范;试验;测试条件
【英文主题词】:Acceptancespecification;Aeronauticalengineering;Aerospacetransport;Airtransport;Aircraft;Definitions;Deliveryconditions;Design;Extinguishingagents;Fireextinguishers;Fireextinguishingdevices;Firefightingequipment;Gases;Handfireextinguishers;Inspection;Manufacturing;Marking;Materials;Metalcontainer;Multilingual;Portablefireextinguisher;Pressurevessels;Qualificationtesting;Qualificationtests;Quality;Qualityassurance;Ratings;Specification(approval);Specifications;Testing;Testingconditions
【摘要】:Thisstandardspecifiesthetechnicalrequirementsandqualificationconditionsforhandheldfireextinguishersmadewithmetalvesselsandusingsynthesisgasesforaircraftuse,designedforuseinthecockpit,inthepassengercabinandtoprotectareasaccessibletothecrew.
【中国标准分类号】:C84
【国际标准分类号】:13_220_10;49_095
【页数】:74P.;A4
【正文语种】:


【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