【英文标准名称】:StandardPracticeforConductinganInterlaboratoryStudytoDeterminethePrecisionofaTestMethodwithMulti-ValuedMeasurands
【原文标准名称】:对带多值被测对象试验方法的精度测定进行的多实验室间研究用标准实施规程
【标准号】:ASTME2480-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:E12.93
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:进行的;实验室法;精密度;试验条件;试验规程;测试
【英文主题词】:precision;repeatability;reproducibility
【摘要】:ASTMregulationsrequireprecisionstatementsforalltestmethodsintermsofrepeatabilityandreproducibility.ThispracticemaybeusedinobtainingtheinformationneededtoprepareaprecisionstatementinaccordancewithPracticeE177andthex201C;BlueBook.x201D;1.1Thispracticedescribesthetechniquesforplanning,conducting,andanalyzingtheresultsofaninterlaboratorystudy(ILS)conductedforcertaintestmethodswithinCommitteeE12.1.2Thispracticedoesnotconcernitselfwiththedevelopmentofthetestmethodbutratherwiththegatheringoftheinformationneededfortheprecisionandbiasstatementafterthecompletionofdevelopmentofthetestmethod.ThedataobtainedintheILSmayindicate,however,thatfurthereffortisneededtoimprovethetestmethod.1.3Thispracticeisconcernedexclusivelywithtestmethodsthatderiveamulti-valuedmeasurand,suchas,butnotlimitedto,spectralreflectance,transmittancefunction,tristimulusvalues,orRGBvalues.Variationinmeasurementsofsuchmulti-valuedmeasurandsareusuallyanalyzedbyreducingthedatatoasingle-valuedparameter,suchascolordifference,E.1.4Thispracticecoversmethodsofdealingwiththenon-normaldistributionofthevariationofsetsofcolor-differences.Thisisdonesothattheusermayderivevalidstatisticsfromsuchnon-normaldistributions.1.5Thispracticedoesnotcovertestmethods,eveninCommitteeE12,whosemeasurandsaresingle-valued,orwhosevariationsareknowntobenormallydistributed.TaskgroupsinvolvedwithsuchtestmethodsarereferredtoPracticeE691whichcontainspreferablemethodsofanalyzingdatawiththoseproperties.1.6Thispracticeisnotintendedtoestablishamethodforestimatingpossiblecolor-differencetolerances.1.7ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A20
【国际标准分类号】:19_020
【页数】:6P.;A4
【正文语种】:


【英文标准名称】:Dentistry-Patientchair.
【原文标准名称】:牙科学.患者椅.
【标准号】:NFS91-302-2011
【标准状态】:现行
【国别】:法国
【发布日期】:2011-10-01
【实施或试行日期】:2011-10-14
【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】:Ambienttemperature;Breakingstrength;Capacitiveloads;Chairs;Dataofthemanufacturer;Definitions;Dentalequipment;Dentalpatientchairs;Dentalpractice;Dentistry;Electriccontactprotection;Electricshock;Electricalequipment;Electricaltesting;Environment;Equipment;Instructionsforuse;Loading;Marking;Mechanicaltesting;Packages;Patientchairs;Patients;Specification(approval);Stability;Stabilityagainsttilting;Technicaldatasheets;Teeth;Temperature;Testing;Tilt
【摘要】:
【中国标准分类号】:C33
【国际标准分类号】:11_060_20
【页数】:15P;A4
【正文语种】:其他