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【英文标准名称】:Waterquality-Determinationofturbidity
【原文标准名称】:水质.混浊度的测定
【标准号】:BSENISO7027-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-03-15
【实施或试行日期】:2000-03-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;定义(术语);测定;泄漏辐射;测量;测量仪器;测量技术;方法;光学测量;质量;定量分析;辐射测量;测试;试验;透明度;混浊度;水;水污染;水常规(实验);水质;水质测试
【英文主题词】:Definition;Definitions;Determination;Leakageradiation;Measurement;Measuringinstruments;Measuringtechniques;Methods;Opticalmeasurement;Quality;Quantitativeanalysis;Radiationmeasurement;Testing;Tests;Transparency;Turbidity;Water;Waterpollution;Waterpractice;Waterquality;Watertesting
【摘要】:ThisInternationalStandardspecifiesfourmethodsforthedeterminationofturbidityofwater.Twosemiquantitativemethods,employedforexampleinfieldwork,arespecified:a)measurementofturbidityusingthetransparencytestingtube(applicabletopureandlightlypollutedwater);b)measurementofturbidityusingthetransparencytestingdisk(especiallyapplicabletosurfacewater).Twoquantitativemethods,usingopticalturbidimeters,arespecified:c)measurementofdiffuseradiation,applicabletowateroflowturbidity(forexampledrinkingwater);Turbiditymeasuredbythismethodisexpressedinformazinnephelometricunits(FNU);resultstypicallyrangebetween0FNUand40FNU.Dependingontheinstrumentdesign,itmayalsobeapplicabletowatersofhigherturbidity.d)measurementoftheattenuationofaradiantflux,moreapplicabletohighlyturbidwaters(forexamplewasteorpollutedwaters).Turbiditymeasuredbythismethodisexpressedinformazinattenuationunits(FAU);resultstypicallyrangebetween40FAUand4000FAU.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_60
【页数】:22P.;A4
【正文语种】:英语


【英文标准名称】:Plasticspipingsystemsfornon-pressuredrainageandsewerage-Glass-reinforcedthermosettingplastics(GRP)basedonunsaturatedpolyesterresin(UP)-Fitnessforpurposeofthejoints
【原文标准名称】:常压排水管和下水道用塑料管道系统.以不饱和聚酯树脂(UP)为基础的玻璃纤维增强的热固性塑料(GRP).接头的适用性
【标准号】:BSEN1636-5-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-06-15
【实施或试行日期】:2001-06-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:下水道;塑料;不饱和聚酯;地下;管道工程系统;性能;高聚物;热固性聚合物;管接头;玻璃;连接;管道配件;排水;管;适用性;试验条件;污水工程;给水和废物排放系统(建筑);增强的材料;管联接器
【英文主题词】:Classification;Definition;Definitions;Depressurized;Determination;Drainage;Fitnessforpurpose;Fittings;Glass-fibrereinforced;Glass-fibrereinforcedplastics;Materials;Pipelineinstallations;Pipes;Pipingsystem;Plasticpipelines;Plasticpipes;Plastics;Polyesterresins;Reinforcedmaterials;Reinforcedplastics;Sewage;Sewerpipes;Sewers;Specification(approval);Testing;Thermoplasticpolymers;Thermosettingpolymers;Unsaturatedpolyesterresins;Usetests
【摘要】:ThispartofEN1636specifiesthecharacteristicsofthefitnessforpurposeofglass-reinforcedthermosettingplasticsbasedonunsaturatedpolyesterresin(GRP-UP)pipingsystemsintendedtobeusedfornon-pressuredrainageandsewerage.Italsospecifiestherelevanttestparametersforthetestmethodsreferredtointhisstandard.ItisapplicabletothejointstobeusedinGRP-UPpipingsystemstobeusedfortheconveyanceofsurfacewaterorsewagebelowground,outsidebuildings,attemperaturesupto50℃.NOTE:PipingsystemsconformingtoEN1636canalsobeusedforabove-groundapplicationsprovidedtheinfluenceoftheenvironmentandthesupportsisconsideredinthedesignofthepipesandjoints.Thisstandardspecifiesinitialperformancerequirementsforthefollowingjoints,forusewithGRP-UPpipesforburiedpipelinesorpipeworksystems,asafunctionofthedeclaredclassification(PN1)ofthepipelineorsystem:a)flexiblesocket-and-spigotormechanicaljoint;b)reduced-articulationsocket-and-spigotormechanicaljoint;c)rigidlockedsocket-and-spigotjoint;d)cementedsocket-and-spigotorbuttjoint;e)boltedflangeandthreadedjoint.Thisstandardisapplicabletojointswhichareorarenotintendedtobeexposedtoendthrustloadsinservice.Itcoversrequirementstoprovethedesignofthejoint.Testsreferredtointhisstandardaresuitableforevaluatingjointsintendedforuseattemperaturesupto50℃andmaybeapplicableforjointsforuseathighertemperatures.Forservicetemperaturesuptoandincluding50℃,referenceismadetotherequiredtesttemperaturesgiveninEN1636-1.
【中国标准分类号】:G33
【国际标准分类号】:23_040_01
【页数】:16P.;A4
【正文语种】:英语