【英文标准名称】:StandardGuideforOperationofaGagingStation
【原文标准名称】:测量站工作的标准指南
【标准号】:ASTMD5674-1995(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】:gagingstation;open-channelflow;waterdischarge;waterlevel;Floods;Gagingstation;Irrigationmanagement;Openchannelflow--water;Streams;Wastewatertesting/treatment;Waterdischarge/velocity;Watersupply/distributionsystems;Water-surfacepro
【摘要】:Thisguideisusefulwhenasystematicrecordofwatersurfaceelevationordischargeisrequiredataspecificlocation.Somegagingstationsmaybeoperatedforonlyafewmonths;however,manyhavebeenoperatedforacentury.Gagingstationrecordsareusedformanypurposes:Resourceappraisaloflong-termrecordstodeterminethemaximum,minimum,andvariabilityofflowsofaparticularstream.Thesedatacanbeusedfortheplanninganddesignofavarietyofsurfacewater-relatedprojectssuchaswatersupply,floodcontrol,hydroelectricdevelopments,irrigation,recreation,andwasteassimilation.Management,whereflowdataarerequiredfortheoperationofasurface-waterstructureorothermanagementdecision.1.1Theguidecoversproceduresusedcommonlyforthesystematiccollectionofstreamflowinformation.Continuousstreamflowinformationisnecessaryforunderstandingtheamountandvariabilityofwaterformanyuses,includingwatersupply,wastedilution,irrigation,hydropower,andreservoirdesign.1.2Theproceduresdescribedinthisguideareusedwidelybythoseresponsibleforthecollectionofstreamflowdata,forexample,theU.S.GeologicalSurvey,BureauofReclamation,U.S.ArmyCorpsofEngineers,U.S.DepartmentofAgriculture,WaterSurveyCanada,andmanystateandprovincialagencies.Theproceduresaregenerallyfrominternaldocumentsoftheprecedingagencies,whichhavebecomethedefactostandardsusedinNorthAmerica.1.3Itistheresponsibilityoftheuseroftheguidetodeterminetheacceptabilityofaspecificdeviceorproceduretomeetoperationalrequirements.Compatibilitybetweensensors,recorders,retrievalequipment,andoperationalsystemsisnecessary,anddatarequirementsandenvironmentaloperatingconditionsmustbeconsideredinequipmentselection.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:N04
【国际标准分类号】:
【页数】:8P.;A4
【正文语种】:英语


【英文标准名称】:Zincandzincalloys-Chemicalanalysis-Part2:Determinationofmagnesiuminzincalloys;Flameatomicabsorptionspectrometricmethod;GermanversionEN12441-2:2001
【原文标准名称】:锌及锌合金.化学分析.第2部分:锌合金中镁的测定.火焰原子吸收光谱法
【标准号】:DINEN12441-2-2002
【标准状态】:作废
【国别】:德国
【发布日期】:2002-02
【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】:精密度;合金;分析;组分;有色金属;镁;材料试验;试验;定义;含量测定;燃烧原子吸收光谱测定法;镁含量;原子吸收分光光度测定法;重复性;锌;质量浓度;可比性;化学分析和试验;锌合金;分析方法
【英文主题词】:
【摘要】:
【中国标准分类号】:H12
【国际标准分类号】:77_120_60;77_040_30
【页数】:11P;A4
【正文语种】:德语