ASTM E1292-1994(2006) 重力对流和强制通风恒温箱
作者:标准资料网 时间:2024-05-22 04:30:12 浏览:8827
来源:标准资料网
【英文标准名称】:StandardSpecificationforGravityConvectionandForcedVentilationIncubators
【原文标准名称】:重力对流和强制通风恒温箱
【标准号】:ASTME1292-1994(2006)
【标准状态】:现行
【国别】:
【发布日期】:1994
【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】:E41.06
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:实验室装备;恒温箱
【英文主题词】:convection;forced;gravity;incubators;ventilation
【摘要】:1.1Thisspecificationcoverstheperformancerequirementsforgeneralpurposeairincubatorsordinarilyusedforincubatingprocedures,whichhaveanincubatingchamberupto0.6m3(25ft3)involume.Itisapplicabletogravityandforcedventilationincubatorsdesignedtooperateoverallorpartofthetemperaturerangefrom5176;Caboveambientto75176;C.1.2Thisspecificationdoesnotincludeanyrequirementsforthesafehandlingofharmfulordiseasebearingorganisms.Thefollowingprecautionarycaveatpertainsonlytothetestmethodportions,Sections4,5,and6,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A40
【国际标准分类号】:07_080;11_220
【页数】:2P.;A4
【正文语种】:
【英文标准名称】:StandardTestMethodforAbrasionResistanceofTextileFabrics(OscillatoryCylinderMethod)
【原文标准名称】:纺织纤维耐磨性的标准试验方法(摆辊式耐磨试验法)
【标准号】:ASTMD4157-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D13.60
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:abrasion;wovenfabric;Abrasionresistance--textilefabrics/fibers;Oscillatorycylindermethod;Textilefabricanalysis
【摘要】:Themeasurementoftheresistancetoabrasionoftextileandothermaterialsisverycomplex.Theresistancetoabrasionisaffectedbymanyfactors,suchastheinherentmechanicalpropertiesofthefibers;thedimensionsofthefibers;thestructureoftheyarns;theconstructionofthefabrics;andthetype,kind,andamountoffinishingmaterialaddedtothefibers,yarns,orfabric.Theresistancetoabrasionisalsogreatlyaffectedbytheconditionsofthetests,suchasthenatureofabradant;variableactionoftheabradantovertheareaofspecimenabraded,thetensionofthespecimen,thepressurebetweenthespecimenandabradant,andthedimensionalchangesinthespecimen.Abrasiontestsareallsubjecttovariationduetochangesintheabradantduringspecifictests.Theabradantmustaccordinglybechangedatfrequentintervalsorcheckedperiodicallyagainstastandard.Withdisposableabradants,theabradantisusedonlyonceorchangedafterlimiteduse.Withpermanentabradantsthatusehardenedmetalorequivalentsurfaces,itisassumedthattheabradantwillnotchangeappreciablyinaspecificseriesoftests,butobviouslysimilarabradantsusedindifferentlaboratorieswillnotlikelychangeatthesamerateduetodifferencesinusage.Permanentabradantsmayalsochangeduetopickupoffinishingorothermaterialfromtestfabricsandmustaccordinglybecleanedatfrequentintervals.Themeasurementoftherelativeamountofabrasionmayalsobeaffectedbythemethodofevaluationandmaybeinfluencedbythejudgmentoftheoperator.Theresistanceoftextilematerialstoabrasionasmeasuredonatestingmachineinthelaboratoryisgenerallyonlyoneofseveralfactorscontributingtowearperformanceordurabilityasexperiencedintheactualuseofthematerial.Whilex201C;abrasionresistancex201D;(oftenstatedintermsofthenumberofcyclesonaspecifiedmachine,usingaspecifiedtechniquetoproduceaspecifieddegreeoramountofabrasion)andx201C;durabilityx201D;(definedastheabilitytowithstanddeteriorationorwearingoutinuse,includingtheeffectsofabrasion)arefrequentlyrelated,therelationshipvarieswithdifferentenduses,anddifferentfactorsmaybenecessaryinanycalculationofpredicteddurabilityfromspecificabrasiondata.Laboratorytestsmaybereliableasanindicationofrelativeend-useperformanceincaseswherethedifferenceinabrasionresistanceofvariousmaterialsislarge,buttheyshouldnotberelieduponwheredifferencesinlaboratorytestfindingsaresmall.Ingeneral,theyshouldnotberelieduponforpredictionofactualwear-lifeinspecificendusesunlesstherearedatashowingthespecificrelationshipbetweenlaboratoryabrasiontestsandactualwearintheintendedend-use.Thesegeneralobservationsapplytoalltypesoffabrics,includingwoven,nonwoven,andknitapparelfabrics,householdfabrics,industrialfabrics,andfloorcoverings.Itisnotsurprising,therefore,tofindthattherearemanydifferenttypesofabrasiontestingmachines,abradants,testingconditions,testingprocedures,methodsofevaluationofabrasionresistance,andinterpretationofresults.Allthetestmethodsandinstrumentssofardevelopedforabrasionresistancemayshowahighdegreeofvariabilityinresultsobtainedbydifferentoperatorsandindifferentlaboratories;however,theyrepresentthemethodsnowmostwidelyinuse.Thistestmethodprovidesacomparativemeasurementoftheresistanceofwoventextilefabricstoabrasion,andmaynotnecessarilypredicttheactyalperformanceoffabricsinactualuse.Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwoormorelaboratories,comparativetes..........
【中国标准分类号】:W55
【国际标准分类号】:59_080_30
【页数】:6P.;A4
【正文语种】:英语
【英文标准名称】:Thermoplasticspipesfortheconveyanceoffluids-Nominaloutsidediametersandnominalpressures-Part1:Metricseries
【原文标准名称】:流体输送用热塑性塑料管材公称外径和公称压力第1部分:公制系列
【标准号】:ISO161-1-1996
【标准状态】:现行
【国别】:国际
【发布日期】:1996-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC138
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;管;规范(验收);塑料管;液体;外径;热塑性聚合物;额定压力;厘米克秒制
【英文主题词】:CGSsystem;Definitions;Liquids;Outsidediameters;Pipes;Plasticpipes;Ratedpressure;Specification(approval);Thermoplasticpolymers
【摘要】:Specifiesthenominaloutsidediametersformetricthermoplasticspipesfortheconveyanceoffluidsunderpressureandnon-pressure.Italsospecifiesnominalpressureratingsandminimumrequiredstrengthsforpipesforpressureapplications.
【中国标准分类号】:G33
【国际标准分类号】:23_040_20
【页数】:4P;A4
【正文语种】:英语
