JIS F0053-2000 造船.船舶一般布局图细则说明

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【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】:Aerospace;anchornutswithMJ-thread,deepcounterbore,self-locking,floating,twolug,steel;classification:1100MPa/235°C
【原文标准名称】:航空航天.自锁、浮动、双侧凸缘、钢制带MJ螺纹的深沉孔的铆接螺母.等级:1100MPa/235℃
【标准号】:DIN65240-1987
【标准状态】:作废
【国别】:德国
【发布日期】:1987-08
【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】:螺纹形状;航天运输;尺寸;系紧螺母;材料;设计;法兰;螺母;托板螺母;防松螺母;表面处理;螺纹;名称与符号;凸缘螺母;钢;航空航天运输;作标记;航空运输;紧固件
【英文主题词】:surfacetreatment;locknuts;dimensions;flanges;fasteners;steels;flangednuts;threads;threadforms;aerospacetransport;platenuts;anchornuts;materials;nuts;designations;design;marking;spacetransport;a
【摘要】:
【中国标准分类号】:V20
【国际标准分类号】:49_030_30
【页数】:4P;A4
【正文语种】:德语