EN 62246-1-2011 簧片开关.第1部分:总规范(IEC62246-1:2011).德文版EN62246-1-2011

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【英文标准名称】:Reedswitches-Part1:Genericspecification(IEC62246-1:2011);GermanversionEN62246-1:2011
【原文标准名称】:簧片开关.第1部分:总规范(IEC62246-1:2011).德文版EN62246-1-2011
【标准号】:EN62246-1-2011
【标准状态】:现行
【国别】:
【发布日期】:2011-12
【实施或试行日期】:2011-12-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Contactrelays;Contactunits;Definitions;Dry;Electriccontacts;Electricalengineering;Genericspecification;Measurement;Measuringtechniques;Mercurywetted;Protectivetubes;Quality;Qualityassessment;Reedcontact;Reedcontactunit;Reedrelays;Reedswitches;Relays;Specification;Testing
【摘要】:
【中国标准分类号】:K31
【国际标准分类号】:29_120_70
【页数】:81P;A4
【正文语种】:英语


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【英文标准名称】:StandardGuideforSelectionofWeirsandFlumesforOpen-ChannelFlowMeasurementofWater
【原文标准名称】:用于明渠水流量测量的溢流堰和斜槽的选择的标准指南
【标准号】:ASTMD5640-1995(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1995
【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】:D19.07
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:flumes;open-channelflow;waterdischarge;weirs;Flowandflowrate--water;Flumes;Openchannelflow--wastewater;Openchannelflow--water;Selectionguides--testprocedures;Wastewatertesting/treatment;Waterdischarge/velocity;Weirs
【摘要】:Eachtypeofweirandflumepossessesadvantagesanddisadvantagesrelativetotheothertypeswhenitisconsideredforaspecificapplication;consequently,theselectionprocessofteninvolvesreachingacompromiseamongseveralfeatures.Thisguideisintendedtoassisttheuserinmakingaselectionthatishydraulically,structurally,andeconomicallyappropriateforthepurpose.Itisrecognizedthatnotallopen-channelsituationsareamenabletoflowmeasurementbyweirsandflumesandthatinsomecases,particularlyinlargestreams,dischargesmaybestbedeterminedbyothermeans.(See6.2.2.)1.1Thisguidecoversrecommendationsfortheselectionofweirsandflumesforthemeasurementofthevolumetricflowrateofwaterandwastewaterinopenchannelsunderavarietyoffieldconditions.1.2ThisguideemphasizestheweirsandflumesforwhichASTMstandardsareavailable,namely,thin-plateweirs,broad-crestedweirs,Parshallflumes,andPalmer-Bowlus(andotherlong-throated)flumes.However,referenceisalsomadetoothermeasurementdevicesandmethodsthatmaybeusefulinspecificsituations.1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P12
【国际标准分类号】:
【页数】:7P.;A4
【正文语种】:英语


【英文标准名称】:Geographicinformation.Dataproductspecifications
【原文标准名称】:地理信息.数据产品规范
【标准号】:BSENISO19131-2008+A1-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2007-05-31
【实施或试行日期】:2007-05-31
【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】:Construction;Contents;Data;Datacollection;Dataelements;Dataprocessing;Datastructures;Datatypes;Definitions;Englishlanguage;Geodesy;Geographicinformation;Geographical;Geography;Geology;Geomatics;Geotechnics;Information;Informationtechnology;Specification(approval);Standardizations;UML;UnifiedModelingLanguage
【摘要】:
【中国标准分类号】:A75
【国际标准分类号】:35_240_70
【页数】:50P;A4
【正文语种】:英语