【英文标准名称】:StandardPracticeforSelectionofGravitySewersSuitableforInstallationofOpticalFiberCableandConduits
【原文标准名称】:适合于铺设光缆和导管的重力下水道选择的标准实施规范
【标准号】:ASTMF2303-2003(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:F36.10
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:cable;conduits;criteria;fiberinsewers;gravity;installation;selection;sewers;suitability;Installation--plasticpipematerials/applications;Conduits;Gravitysewerpipe;Opticalfiber/cable/conduit;Sewerlines
【摘要】:Thispracticeisintendedtoassistengineersandsewerowner/operatorsindeterminingthesuitabilityofsewersforasecondaryuseashostsforopticalfibercablesandconduits.Itmustbekeptinmindthattheprimaryuseofthesewersistocarrywastewaterorstormwater,orboth.Anysecondaryuseofthesystemshallnotsignificantlyimpairtheprimaryuse.Itisuptotheengineertodecideuponanyexceptionsthatmaybeinvolvedintheselectionprocess.Beforetheselectionprocedurebegins,theinstallermusthaveexplicitauthorizationfromtheowner/operatorallowinganevaluationtobeconductedfortheinstallationofopticalfibercablesorconduitswithintheirsewersystem.Engineersandownersshouldalsobecognizantofhowtheinstallationofopticalfibercableorconduitswillimpactthefutureoperational,maintenance,andrehabilitationneedsofthesewers.1.1Thispracticespecificallyaddressesthecriteriafordeterminingthesuitabilityofgravitysewersforsecondaryusessuchastheinstallationofopticalfibersystems.1.1.1Thispracticeappliestotheprocessofselectinggravitysewersthatareappropriateforacceptinganopticalfibersystemasopposedtostandardsfortheinstallation,operationandmaintenanceofsuchsystemwithinsewers.1.2Thispracticeappliestobothmanaccessibleandmaninaccessiblesewersystems.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:M33
【国际标准分类号】:33_180_01
【页数】:4P.;A4
【正文语种】:英语


【英文标准名称】:Analysisoftobaccoandtobaccoproducts;determinationofflowratesofgasusingthesoapfilmbubbleflowmeter
【原文标准名称】:烟草和烟草制品的分析.用皂膜泡流量计测量烟气的流量率
【标准号】:DIN10255-1992
【标准状态】:现行
【国别】:德国
【发布日期】:1992-03
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:烟草制品;试验;润湿剂;烟草;测量仪器;气泡流速计;定义;气体;食品检验;食品;容积测量
【英文主题词】:Bubbleflowmeter;Definition;Definitions;Foodinspection;Foodproducts;Foodtesting;Gases;Measuringinstruments;Testing;Tobacco;Tobaccoproducts;Volumemeasurement;Wettingagents
【摘要】:Thisstandardspecifiesamethodforthedeterminationofflowratesofgasusingasoapfilmbubbleflowmeter.Thedeterminationofflowratesofgasisusedfortestinganalyticalsmokingmachinesandmachinesfordeterminationofdrawresistance.
【中国标准分类号】:X85
【国际标准分类号】:65_160
【页数】:3P;A4
【正文语种】:德语