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BS EN 14154-1-2005+A2-2011 水表.一般要求

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【英文标准名称】:Watermeters.Generalrequirements
【原文标准名称】:水表.一般要求
【标准号】:BSEN14154-1-2005+A2-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2005-06-23
【实施或试行日期】:2005-06-23
【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】:
【英文主题词】:Bolting;Calibration;Certification;Characteristics;Classification;Classificationsystems;Coldwater;Coldwaterconduit;Coldwatermeter;Connectingsizes;Connections;Counters;Definitions;Designcertifications;Designations;Dimensions;Drinkingwaterlines;Electronic;Electronicinstruments;Environmentalconditions;Fitnessforpurpose;Flowmeasurements;Flowmeters;Guidelines;Hot-watermeters;Installationinstructions;Installations;Marking;Materials;Measurement;Meteringmechanism;Meters;Metrology;Nozzledischarge;Performancerequirements;Pollutioncontrol;Potablewater;Pressuredrops;Productspecification;Properties;Ratedflow;Ratedpressure;Ratings;Scope;Specification(approval);Specifications;Telltales;Testingdevices;Thread-connections;Tolerances(measurement);Water;Waterconsumption;Watermeters;Waterpipelines;Waterpractice;Watersupply
【摘要】:Thisdocumentappliestowatermetersintendedforresidential,commercial,lightindustrialandindustrialuse,andspecifiestherequirementsandcertificationproceduresforwatermeters,irrespectiveofthedesigntechnologiesusedtometertheactualvolumeofcleancoldpotablewaterorheatedwater,flowingthroughafullycharged,closedconduit.Thesewatermetersshallincorporatedevices,whichindicatetheintegratedvolume.Thisdocumentalsoappliestowatermetersbasedonelectricalorelectronicprinciples,andtowatermetersbasedonmechanicalprinciplesincorporatingelectronicdevices,usedtometertheactualvolumeflowofcoldpotablewaterorheatedwater.Itprovidesmetrologicalrequirementsforelectronicancillarydeviceswhentheyaresubjecttometrologicalcontrol.Asaruletheancillarydevicesareoptional.Howevernationalorinternationalregulationsmakesomeancillarydevicesmandatoryinrelationtotheutilisationofthewatermeter.
【中国标准分类号】:Q81;N12
【国际标准分类号】:91_140_60
【页数】:66P.;A4
【正文语种】:英语


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【英文标准名称】:Surfaceactiveagents-Determinationoftheactivemattercontentinalkyldimethylbetaines.
【原文标准名称】:表面活性剂.烷基二甲基甜菜碱中活性物质的测定
【标准号】:NFT73-235-2001
【标准状态】:现行
【国别】:法国
【发布日期】:2001-09-01
【实施或试行日期】:2001-09-05
【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】:Alkylcompounds;Chemicalanalysisandtesting;Chemicalcomposition;Definition;Definitions;Detergents;Determinationofcontent;Methylcompounds;Surfactants
【摘要】:
【中国标准分类号】:G72
【国际标准分类号】:71_100_40
【页数】:12P;A4
【正文语种】:其他


【英文标准名称】:Programminglanguages—C++
【原文标准名称】:程序设计语言.C++
【标准号】:ANSIISO/IEC14882-2003(R2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2003-10-15
【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】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiesrequirementsforimplementationsoftheC++programminglanguage.Thefirstsuchrequirementisthattheyimplementthelanguage,andsothisInternationalStandardalsodefinesC++.OtherrequirementsandrelaxationsofthefirstrequirementappearatvariousplaceswithinthisInternationalStandard.2C++isageneralpurposeprogramminglanguagebasedontheCprogramminglanguageasdescribedinISO/IEC9899:1990Programminglanguages–C(1.2).InadditiontothefacilitiesprovidedbyC,C++providesadditionaldatatypes,classes,templates,exceptions,namespaces,inlinefunctions,operatoroverloading,functionnameoverloading,references,freestoremanagementoperators,andadditionallibraryfacilities.
【中国标准分类号】:L74
【国际标准分类号】:35_060
【页数】:786P.;A4
【正文语种】:英语