【英文标准名称】:StandardGuideforUsingProbabilitySamplingMethodsinStudiesofIndoorAirQualityinBuildings
【原文标准名称】:建筑物中室内空气质量研究用概率取样法的标准导则
【标准号】:ASTMD5791-1995(2006)
【标准状态】:现行
【国别】:
【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】:D22.05
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:随机取样;室内空气分析;概率取样;试验性采样;建筑物中室内空气质量研究;概率取样法;环境监测设备;导则
【英文主题词】:indoorairquality;probabilitysamplingmethods;randomsampling;surveysampling
【摘要】:Studiesofindoorairproblemsareofteniterativeinnature.Athoroughengineeringevaluationofabuilding(1-4)3issometimessufficienttoidentifylikelycausesofindoorairproblems.Whentheseinvestigationsandsubsequentremedialmeasuresarenotsufficienttosolveaproblem,moreintensiveinvestigationsmaybenecessary.Thisguideprovidesthebasisfordeterminingwhenprobabilitysamplingmethodsareneededtoachievestatisticallydefensibleinferencesregardingthegoalsofastudyofindoorairquality.Theneedforprobabilitysamplingmethodsinastudyofindoorairqualitydependsonthespecificobjectivesofthestudy.Suchmethodsmaybeneededtoselectasampleofpeopletobeaskedquestions,examinedmedically,ormonitoredforpersonalexposures.Theymayalsobeneededtoselectasampleoflocationsinspaceandtimetobemonitoredforenvironmentalcontaminants.Thisguideidentifiesseveralpotentialobstaclestoproperimplementationofprobabilitysamplingmethodsinstudiesofindoorairqualityinbuildingsandpresentsproceduresthatovercomethoseobstaclesoratleastminimizetheirimpact.Althoughthisguidespecificallyaddressessamplingpeopleorlocationsacrosstimewithinabuilding,italsoprovidesimportantguidanceforstudyingpopulationsofbuildings.Theguidanceinthisdocumentisfullyapplicabletosamplinglocationstodetermineenvironmentalqualityorsamplingpeopletodetermineenvironmentaleffectswithineachbuildinginthesampleselectedfromalargerpopulationofbuildings.1.1Thisguidecoverscriteriafordeterminingwhenprobabilitysamplingmethodsshouldbeusedtoselectlocationsforplacementofenvironmentalmonitoringequipmentinabuildingortoselectasampleofbuildingoccupantsforquestionnaireadministrationforastudyofindoorairquality.Someofthebasicprobabilitysamplingmethodsthatareapplicableforthesetypesofstudiesareintroduced.1.2Probabilitysamplingreferstostatisticalsamplingmethodsthatselectunitsforobservationwithknownprobabilities(includingprobabilitiesequaltooneforacensus)sothatstatisticallydefensibleinferencesaresupportedfromthesampletotheentirepopulationofunitsthathadapositiveprobabilityofbeingselectedintothesample.1.3Thisguidedescribesthosesituationsinwhichprobabilitysamplingmethodsareneededforascientificstudyoftheindoorairqualityinabuilding.Forthosesituationsforwhichprobabilitysamplingmethodsarerecommended,guidanceisprovidedonhowtoimplementprobabilitysamplingmethods,includingobstaclesthatmayarise.Examplesoftheirapplicationareprovidedforselectedsituations.Becausesomeindoorairqualityinvestigationsmayrequireapplicationofcomplex,multistage,surveysamplingproceduresandbecausethisstandardisaguideratherthanapractice,thereferencesinAppendixX1arerecommendedforguidanceonappropriateprobabilitysamplingmethods,ratherthanincludingexpositionsofsuchmethodsinthisguide.
【中国标准分类号】:Z15
【国际标准分类号】:13_040_01
【页数】:9P.;A4
【正文语种】:


【英文标准名称】:Dentistry-Medicaldevicesfordentistry-Dentalimplants;GermanversionEN1642:2011
【原文标准名称】:牙科学.牙科用医疗器械.牙科植入物
【标准号】:DINEN1642-2012
【标准状态】:现行
【国别】:德国
【发布日期】:2012-06-01
【实施或试行日期】:2012-06-01
【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】:Biocompatibility;Biologicalanalysisandtesting;Biologicalhazards;Clinical;Compatibility;Compatibilitytests;Dataofthemanufacturer;Definitions;Deliveryconditions;Dentalequipment;Dentalimplants;Dentistry;Design;Implants(surgical);Information;Instructionsforuse;Labelling;Manufacturing;Marking;Materials;Medicaldevices;Medicalequipment;Medicalproducts;Medicalsciences;Microbiologicalanalysis;Packages;Production;Protection;Specification(approval);Status;Sterile;Sterilization(hygiene);Surgicalimplants;Symbols;Technicaldocuments;Testing
【摘要】:
【中国标准分类号】:C33
【国际标准分类号】:11_060_15
【页数】:13P;A4
【正文语种】:德语