NF P41-221-1-2-2008 建筑工程.铜管.家用冷热水供应管道、废水、雨水排放管和空调安装管.第1-2部分:材料选择的一般标准
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来源:标准资料网
【英文标准名称】:Buildingworks-Copperpiping-Supplyofhotandcolddomesticwater,drainageofwastewater,rainwater,airconditionninginstallations-Part1-2:generalcriteriaforselectionofmaterials.
【原文标准名称】:建筑工程.铜管.家用冷热水供应管道、废水、雨水排放管和空调安装管.第1-2部分:材料选择的一般标准
【标准号】:NFP41-221-1-2-2008
【标准状态】:现行
【国别】:法国
【发布日期】:2008-01-01
【实施或试行日期】:2008-01-19
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Buildings;Copperpipes;Pipefittings;Pipelines;Sanitaryfacilities;Sewage;Warmwater;Waterpipelines
【摘要】:
【中国标准分类号】:Q81
【国际标准分类号】:77_150_30;91_140_60;91_140_80
【页数】:7P.;A4
【正文语种】:其他
【英文标准名称】:StandardGuideforApplyingStatisticalMethodsforAssessmentandCorrectiveActionEnvironmentalMonitoringPrograms
【原文标准名称】:环境监测程序评估和修正用统计方法的应用标准指南
【标准号】:ASTMD7048-2004(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:assessmentmonitoring;confidencelimit;correctiveaction;environmentalmonitoring;predictionlimit;quantificationlimit;statistics;Correctiveaction;Compliance;Environmentalmonitoring;Soil
【摘要】:Theprincipaluseofthisstandardisinassessment,complianceandcorrectiveactionenvironmentalmonitoringprograms(forexample,foranyfacilitythatcouldpotentiallycontaminategroundwater).Thesignificanceoftheguidanceisthatitpresentsastatisticalmethodthatallowscomparisonofground-waterdatatoregulatoryand/orhealthbasedlimits.Ofcourse,thereisconsiderableUSEPAsupportforstatisticalmethodsappliedtodetection,assessmentandcorrectiveactionmonitoringprogramsthatcanbeappliedtoenvironmentalinvestigations.Forexample,the90%upperconfidencelimit(UCL)ofthemeanisusedinSW846(Chapter9)fordeterminingifawasteishazardous.IftheUCLislessthanthecriterionforaparticularhazardouswastecode,thenthewasteisnotahazardouswasteevenifcertainindividualmeasurementsexceedthecriterion.Similarly,intheUSEPAStatisticalAnalysisofGroundwaterMonitoringDataatRCRAFacilitiesAddendumtotheInterimFinalGuidance(1992)(2),confidenceintervalsforthemeanandvariousupperpercentilesofthedistributionareadvocatedforassessmentandcorrectiveaction.Interestingly,boththe1989and1992USEPAguidancedocuments(2,3)suggestuseofthelower95%confidencelimit(LCL)asatoolfordeterminingwhetheracriterionhasbeenexceededinassessmentmonitoring.ThelatestUSEPAguidanceinthisarea(thatis,thedraftUSEPAUnifiedStatisticalGuidance)callsforuseoftheLCLinassessmentmonitoringandtheUCLincorrectiveaction.Inthisway,correctiveactionisonlytriggeredifthereisahighdegreeofconfidencethatthetrueconcentrationhasexceededthecriterionorstandard,whereascorrectiveactioncontinuesuntilthereisahighdegreeofconfidencethatthetrueconcentrationisbelowthecriterionorstandard.Thisisthegeneralapproachadoptedinthisguide,aswell.Thereareseveralreasonswhystatisticalmethodsareessentialinassessmentandcorrectiveactionmonitoringprograms.First,asinglemeasurementindicatesverylittleaboutthetrueconcentrationinthesamplinglocationofinterest,andwithonlyonesamplethereisnowayofknowingifthemeasuredconcentrationisatypicaloranextremevalue.Theobjectiveistocomparethetrueconcentration(orsomeintervalthatcontainsit)totherelevantcriterionorstandard.Second,inmanycasestheconstituentsofinterestarenaturallyoccurring(forexample,metals)andthenaturallyexistingconcentrationsmayexceedtherelevantcriteria.Inthiscase,therelevantcomparisonistobackground(forexample,off-sitesoilorupgradientgroundwater)andnottoafixedcriterion.Assuch,backgrounddatamustbestatisticallycharacterizedtoobtainastatisticalestimateofanupperboundforthenaturallyoccurringconcentrationssothatitcanbeconfidentlydeterminedifonsiteconcentrationsareabovebackgroundlevels.Third,thereisoftenaneedtocomparenumerouspotentialconstituentsofconcerntocriteriaorbackground,atnumeroussamplinglocations.Bychancealonetherewillbeexceedancesasthenumberofcomparisonsbecomeslarge.Thestatisticalapproachtothisproblemcaninsurethatfalsepositiveresultsareminimized.Statisticalmethodsfordetectionmonitoringhavebeenwellstudiedinrecentyears(seeGibbons,1994a,1996,USEPA1992(2,4,5)andPracticeD6312,formerlyPS64-96authoredbyGibbons,BrownandCameron,1996).Althoughequallyimportant,statisticalmethodsforassessmentmonitoring,PhaseIandIIinvestigations,on-goingmonitoringandcorrectiveactionmonitoringhavereceivedlessattention,(GibbonsandColeman,2001)(6).TheguideissummarizedinFig.1,whichprovidesaf......
【中国标准分类号】:Z04
【国际标准分类号】:13_020_10
【页数】:17P.;A4
【正文语种】:英语
【英文标准名称】:Thermalsolarsystemsandcomponents-Custombuiltsystems-Part3:Performancetestmethodsforsolarwaterheaterstores;GermanversionEN12977-3:2012
【原文标准名称】:太阳热能设备和部件.定制设备.第3部分:太阳蓄水加热器的性能试验方法
【标准号】:DINEN12977-3-2012
【标准状态】:现行
【国别】:德国
【发布日期】:2012-06-01
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Classification;Components;Definitions;Durability;Efficiency;Evaluations;Hotwaterpreparationplants;Installations;Interpretations;Outputdetermination;Performance;Plant;Potablewater;Ratingtests;Reliability;Residentialareas;Safetyrequirements;Solarheating;Solarpower;Solar-powereddevices;Specification(approval);Storagewaterheaters;Stores;Testset-ups;Testing;Thermal;Thermalefficiency;Thermaltesting;Volumeflowrate;Water;Waterheating;Water-heatingplants
【摘要】:
【中国标准分类号】:F12
【国际标准分类号】:27_160
【页数】:54P;A4
【正文语种】:德语
