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BS 848-10-1999 一般用途风扇.喷气风扇性能试验

作者:标准资料网 时间:2024-05-08 23:36:34  浏览:8147   来源:标准资料网
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【英文标准名称】:Fansforgeneralpurposes-Performancetestingofjetfans
【原文标准名称】:一般用途风扇.喷气风扇性能试验
【标准号】:BS848-10-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-11-15
【实施或试行日期】:1999-11-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:声试验;试样;准确度;性能试验;流量测量;测量特征;振动测量;声学测量;公差(测量);工业的;流量率;数学计算;方程;试验条件;换算(计量单位);流体设备;声学试验;力的测量;射流;风扇;试验设备
【英文主题词】:Definition;Definitions;Efficiency;Flowrate;Jetfan;Ratingtests;Testing;Ventilations;Ventilators
【摘要】:ThisInternationalStandarddealswiththedeterminationofthosetechnicalcharacteristicsneededtodescribeallaspectsoftheperformanceofjetfansasdefinedinISO13349.Itdoesnotcoverthosefansdesignedforductedapplications,northosedesignedsolelyforaircirculation,e.g.ceilingfansandtablefans.ThetestproceduresdescribedinthisInternationalStandardrelatetolaboratoryconditions.Themeasurementofperformanceunderon-siteconditionsisnotincluded.
【中国标准分类号】:J72
【国际标准分类号】:23_120
【页数】:32P;A4
【正文语种】:英语


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【英文标准名称】:StandardPracticeforUsingtheDisposableEnCoreSamplerforSamplingandStoringSoilforVolatileOrganicAnalysis
【原文标准名称】:用一次性芯取样器取样和储存土壤分析挥发性有机化合物的标准实施规程
【标准号】:ASTMD6418-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D34.01.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:EnCoresampler;soilsampling;storageofsoilsamples;volatileorganiccompounds(VOCs);VOCanalysis;Encoresampler;Environmentalsampling/testing;Soilsampling;Storage--environmentalmaterials;VOCcalculation;Volatileorganiccompounds(VOC)
【摘要】:Thispracticeisforuseincollectingandstoring5-or25-gsoilsamplesforvolatileorganicanalysisinamannerthatminimizeslossofcontaminantsduetovolatilization,orbiodegradation,orboth.TheEnCoresamplerservesasboththesamplingdeviceandsamplestoragechamber.Inperformingthepractice,theintegrityofthesoilsamplestructureismaintainedduringsamplecollection,storage,andtransferinthelaboratoryforanalysisorpreservation.Duringsamplecollection,storage,andtransfer,thereisverylimitedexposureofthesampletotheatmosphere.Laboratorysubsamplingisnotrequiredwhenperformingthispractice.Thesampleisexpelleddirectlyfromthecoringbody/storagechamberintotheappropriatecontainerforanalysisorpreservationwithoutdisruptingtheintegrityofthesample.SubsamplingfromtheEnCoredeviceshouldnotbeperformedtoobtainsmallersamplesizesforanalysis.ThispracticespecifiessamplestorageintheEnCoresamplerat4x00B1;2x00B0;Cforupto48h;atx2013;7tox2013;21x00B0;Cforupto14days;orat4x00B1;2x00B0;Cforupto48hfollowedbystorageatx2013;7tox2013;21x00B0;Cforuptofivedays(seeAppendixX1andreportsreferencedinfootnotes4,5,and6forinformationontheperformanceoftheEnCoresamplerunderthesestorageconditions).,,StorageofsamplesintheEnCoresamplerat4x00B1;2x00B0;Corx2013;7tox2013;21x00B0;Cforlongerholdingtimesthanthoselistedaboveisanoption,provideditcanbeshownthatthelongerstoragetimeuseddoesnotinfluencetheconcentrationsoftheVOCsofinterestinthesamples,orthatthedatageneratedbyanalysisofthesamplesmeettheDQOs(seePracticeD5792).Thispracticedoesnotusemethanolpreservationorotherchemicalpreservativesinthefield.Asaresult,therearenoproblemsassociatedwithflammabilityhazards,shippingrestrictions,ordilutionofsamplescontaininglowvolatileconcentrationsduetosolventsbeingaddedtosamplesinthefield.TheEnCoresamplerisasingle-usedevice.Itshouldnotbecleaned,orreused,orboth.Thispracticecannotbeusedforsamplingcementedmaterial,consolidatedmaterial,ormaterialhavingfragmentscoarseenoughtointerferewithpropercoringtechniques.FIG.1ComponentsoftheEnCoreSamplerFIG.2ReusableAttachmentstotheEnCoreSampler1.1Thispracticeisintendedforapplicationtosoilsthatmaycontainvolatilewasteconstituents.1.2ThispracticeprovidesaprocedureforusingthedisposableEnCoresamplertocollectandstoreasoilsampleforvolatileorganicanalysis.1.3ItisrecommendedthatthisstandardbeusedinconjunctionwithGuideD4547andGuideD4687.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.It......
【中国标准分类号】:B11
【国际标准分类号】:13_080_10
【页数】:14P.;A4
【正文语种】:英语


【英文标准名称】:Geosynthetics-Procedureforsimulatingdamageunderinterlocking-concrete-blockpavementbytherollercompactormethod
【原文标准名称】:土工合成材料.用碾压机方法在连结式混凝土板路面上模拟损伤的程序
【标准号】:ISO/TS19708-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-03
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC221
【标准类型】:()
【标准水平】:()
【中文主题词】:混凝土路面;损伤;定义;土工合成材料;土工织物;路面;道路建筑;压实机;模拟;规范;试验
【英文主题词】:Concretepavements;Damage;Definition;Definitions;Geosynthetics;Geotextiles;Pavement;Roadconstruction;Rollers(compactors);Simulation;Specifications;Testing
【摘要】:ISO/TS19708:2007specifiesatestmethodforthedetermination,usingarollercompactorforbituminousmixtures,ofthedamagetoageosyntheticusedasaseparatorininterlocking-concrete-blockpavements.Thegeosyntheticisplacedbetweenacushion-sandcourseandabasecoarsematerial.Therollercompactorsimulateshighwaytrafficloadandpedestrianload.Aftertherollercompactortest,thecushionsandretainedisdetermined.ISO/TS19708:2007canbeusedforselectingageosynthetic.
【中国标准分类号】:P66
【国际标准分类号】:59_080_70
【页数】:7P;A4
【正文语种】:英语



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