BS 4468-1990 纸的内耐撕裂度测定方法
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来源:标准资料网
【英文标准名称】:Methodfordeterminationoftheinternaltearingresistanceofpaper
【原文标准名称】:纸的内耐撕裂度测定方法
【标准号】:BS4468-1990
【标准状态】:作废
【国别】:英国
【发布日期】:1990-07-31
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:纸制品;纸;纸板;调节;扯裂试验;维修;再现性;校正;试样制备;试样;试验设备;试验条件
【英文主题词】:board(paper);teartests;reproducibility;specimenpreparation;calibration;adjustment;testspecimens;paperproducts;maintenance;testingconditions;testequipment;paper
【摘要】:
【中国标准分类号】:Y32
【国际标准分类号】:
【页数】:14P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodfor(AnalyticalProcedure)DeterminingHydraulicConductivityofanUnconfinedAquiferbyOverdampedWellResponsetoInstantaneousChangeinHead(Slug)
【原文标准名称】:通过超阻尼井回应顶部的瞬息变化测定自由含水层液压导电率的分析程序的标准试验方法
【标准号】:ASTMD5912-1996(2004)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:含水土层;现场试验;地下水;极限;冲击试验;井;监控井;地下井;液压导电率;水平面;含水土层系统;透射率和反射率;自由含水层
【英文主题词】:aquifers;aquifertests;controlwells;groundwater;hydraulicconductivity;slugtest
【摘要】:1.1Thistestmethodcoversthedeterminationofhydraulicconductivityfromthemeasurementofinertialforcefree(overdamped)responseofawell-aquifersystemtoasuddenchangeinwaterlevelinawell.Inertialforcefreeresponseofthewaterlevelinawelltoasuddenchangeinwaterlevelischaracterizedbyrecoverytoinitialwaterlevelinanapproximateexponentialmannerwithnegligibleinertialeffects.1.2TheanalyticalprocedureinthistestmethodisusedinconjunctionwiththefieldprocedureinTestMethodD4044forcollectionoftestdata.1.3LimitationsSlugtestsareconsideredtoprovideanestimateofhydraulicconductivity.Thedeterminationofstoragecoefficientisnotpossiblewiththistestmethod.Becausethevolumeofaquifermaterialtestedissmall,thevaluesobtainedarerepresentativeofmaterialsveryneartheopenportionofthecontrolwell.Note1Slugtestsareusuallyconsideredtoprovideestimatesofthelowerlimitoftheactualhydraulicconductivityofanaquiferbecausethetestresultsaresoheavilyinfluencedbywellefficiencyandboreholeskineffectsneartheopenportionofthewell.Theportionoftheaquiferthatistestedbytheslugtestislimitedtoanareaneartheopenportionofthewellwheretheaquifermaterialsmayhavebeenalteredduringwellinstallation,andthereforemaysignificantlyeffectthetestresults.Insomecasesthedatamaybemisinterpretedandresultinahigherestimateofhydraulicconductivity.Thisisduetotherelianceonearlytimedatathatisreflectiveofthehydraulicconductivityofthefilterpacksurroundingthewell.ThiseffectwasdiscussedbyBouwer.Inaddition,becauseoftherelianceonearlytimedata,inaquiferswithmediumtohighhydraulicconductivity,theearlytimeportionofthecurvethatisusefulforthisdataanalysesistooshort(forexample,10s)foraccuratemeasurement;therefore,thetestresultsbegintogreatlyunderestimatethetruehydraulicconductivity.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P13
【国际标准分类号】:07_060;93_020
【页数】:4P.;A4
【正文语种】:
【英文标准名称】:Informationtechnology—ConformancetestingmethodologyforbiometricdatainterchangeformatsdefinedinISO/IEC19794—Part5:Faceimagedata
【原文标准名称】:信息技术.ISO/IEC19794标准中定义的生物识别数据交换格式用一致性试验方法体系.第5部分:面部图像数据
【标准号】:ISO/IEC29109-5-2011
【标准状态】:作废
【国别】:国际
【发布日期】:2011-04-01
【实施或试行日期】:2011-04-01
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1/SC37
【标准类型】:()
【标准水平】:()
【中文主题词】:生物测定;生物测定学;数据通信;数据交换;数据格式;数据记录;数据存储;细节;交换格式;面部;识别;图像文件;图像处理;图像;信息技术;记录
【英文主题词】:Biometric;Biometrics;Datacommunication;Dataexchange;Dataformats;Datarecording;Datastorage;Detail;Exchangeformats;Face(anatomy);Identification;Imagefiles;Imageprocessing;Images;Informationtechnology;Recording
【摘要】:ThispartofISO/IEC29109specifieselementsofconformancetestingmethodology,testassertions,andtestproceduresasapplicabletotheISO/IEC19794-5-2005biometricdatainterchangeformatstandardforfaceimagedata.ThispartofISO/IEC29109establishes-testassertionsofthestructureofthefaceimagedataformatasspecifiedinISO/IEC19794-5-2005(TypeALevel1asdefinedinISO/IEC29109-1-2009),-testassertionsofinternalconsistencybycheckingthetypesofvaluesthatcanbecontainedwithineachfield(TypeALevel2asdefinedinISO/IEC29109-1-2009),-testsofsemanticassertions(TypeALevel3asdefinedinISO/IEC29109-1-2009).ThispartofISO/IEC29109doesnotestablish-testsofconformanceofCBEFFstructuresrequiredbyISO/IEC19794-5-2005,-testsofconsistencywiththeinputbiometricdatarecord(Level3),-testsofconformanceoftheimagedatatothequality-relatedspecificationsofISO/IEC19794-5-2005,-testsofconformanceoftheimagedatablockstotherespectiveJPEGorJPEG2000standards,-testsofothercharacteristicsofbiometricproductsorothertypesoftestingofbiometricproducts(e.g.acceptance,performance,robustness,security),-testsofconformanceof3DfacerecordsdefinedinISO/IEC19794-5-2005/Amd.2.
【中国标准分类号】:L71
【国际标准分类号】:35_040
【页数】:32P.;A4
【正文语种】:英语
