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ASTM E1463-1992(2004) 用来自美国西海岸的糠虾做静态和动态剧毒性试验的导则

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【英文标准名称】:StandardGuideforConductingStaticandFlow-ThroughAcuteToxicityTestsWithMysidsFromtheWestCoastoftheUnitedStates
【原文标准名称】:用来自美国西海岸的糠虾做静态和动态剧毒性试验的导则
【标准号】:ASTME1463-1992(2004)
【标准状态】:现行
【国别】:
【发布日期】:1992
【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】:E47.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:污染控制;试验;毒性
【英文主题词】:acutetoxicity;aquatic;culturetechniques;Holmesimysiscostata;invertebrates;mysids;Neomysismercedis
【摘要】:Mysidsareanimportantcomponentofboththepelagicandepibenthiccommunity.Theyarepreyeduponbymanyspeciesoffish,birds,andlargerinvertebratespecies,andtheyarepredatorsofsmallercrustaceansandlarvalstagesofinvertebrates.Insomecases,theyfeeduponalgae.Mysidsaresensitivetobothorganicandinorganictoxicants(1).4Theecologicalimportanceofmysids,theirwidegeographicaldistribution,abilitytobeculturedinthelaboratory,andsensitivitytocontaminantsmakethemappropriateacutetoxicitytestorganisms.Anacutetoxicitytestisconductedtoobtaininformationconcerningtheimmediateeffectsofashort-termexposuretoatestmaterialonatestorganismunderspecifiedexperimentalconditions.Anacutetoxicitytestprovidesdataontheshort-termeffectsthatareusefulforcomparisonstootherspeciesbutdoesnotprovideinformationondelayedeffects.Resultsofacutetoxicitytestscanbeusedtopredictacuteeffectslikelytooccuronaquaticorganismsinfieldconditionsexceptthatmysidsmightavoidexposurewhenpossible.Resultsofacutetoxicitytestsmightbeusedtocomparetheacutesensitivitiesofdifferentspeciesandtheacutetoxicitiesofdifferenttestmaterials,andtostudytheeffectsofvariousenvironmentalfactorsonresultsofsuchtests.Resultsofacutetoxicitytestsmightbeanimportantconsiderationwhenassessingthehazardsofmaterialstoaquaticorganisms(seeGuideE1023)orwhenderivingwaterqualitycriteriaforaquaticorganisms(2).Resultsofacutetoxicitytestsmightbeusefulforstudyingbiologicalavailabilityof,andstructureactivityrelationshipsbetweentestmaterials.Resultsofacutetoxicitytestswilldepend,inpart,onthetemperature,qualityofthefood,conditionoftestorganisms,testprocedures,andotherfactors.1.1Thisguidedescribesproceduresforobtainingdataconcerningtheadverseeffectsofatestmaterial(notfood)addedtomarineandestuarinewatersoncertainspeciesofmarineandestuarinemysidsduring96hofcontinuousexposure.Juvenilemysidsusedinthesetestsaretakenfromculturesshortlyafterreleasefromthebroodandexposedtovaryingconcentrationsofatoxicantinstaticorflow-throughconditions.Theseprocedureswillbeusefulforconductingtoxicitytestswithotherspeciesofmysids,althoughmodificationsmightbenecessary.1.2Modificationsoftheseproceduresmightbejustifiedbyspecialneedsorcircumstances.Althoughusingappropriateproceduresismoreimportantthanfollowingprescribedprocedures,resultsoftestsconductedusingunusualproceduresarenotlikelytobecomparabletoresultsofmanyothertests.Comparisonsofresultsobtainedusingmodifiedandunmodifiedversionsoftheseproceduresmightprovideusefulinformationconcerningnewconceptsandproceduresforconductingacutetestswithotherspeciesofmysids.1.3Theproceduresgiveninthisguideareapplicabletomostchemicals,eitherindividuallyorinformulations,commercialproducts,andknownorunknownmixtures.Withappropriatemodificationstheseprocedurescanbeusedtoconductacutetestsonfactorssuchastemperature,salinity,anddissolvedoxygen.Theseprocedurescanalsobeusedtoassessthetoxicityofpotentiallytoxicdischargessuchasmunicipalwastes,oildrillingfluids,producedwaterfromoilwellproduction,andothertypesofindustrialwastes.1.4ResultsofacutetoxicitytestswithtoxicantsexperimentallyaddedtosaltandestuarinewatersshouldusuallybereportedintermsofaLC50(medianlethalconcentration).1.5Thisguideisarrangedasfollows:1.......
【中国标准分类号】:Z16
【国际标准分类号】:65_100_99
【页数】:23P.;A4
【正文语种】:


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【英文标准名称】:StandardTestMethodforHydrogenEmbrittlementResistanceforSteelWireHardDrawnUsedforPrestressingConcretePipe
【原文标准名称】:预应力混凝土管用冷拉钢丝耐氢脆性的标准试验方法
【标准号】:ASTMA1032-2004(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:A01.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:cracking;hydrogenembrittlement;prestressedconcretepipe;prestressing;steelwire;Cracking;Hydrogenembrittlement(HE);Prestressedconcrete;Steelwire
【摘要】:Hard-drawnsteelwireasusedinprestressingconcretepipemaybeexposedtoelementalhydrogenfavorabletohydrogeninducedembrittlementandcracking.Resistancetohydrogenembrittlementisnecessaryforprestressingwiretoprovidelong-termperformancetoinstalledpipe.ThelengthoftimethatastressedwirespecimenresistsfailurewhileexposedtoaheatedsolutionofNH4SCN,isanindicationofthespecimen''sresistancetohydrogenembrittlement.1.1Thistestmethoddescribesprocedurestodeterminethehydrogenembrittlement(HE)resistanceofharddrawnsteelwireusedforprestressingconcretepipe.1.2HEresistanceisreportedastime-to-failureofspecimenstestedinalaboratory.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesaremathematicalconversionstoinch-poundunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H49
【国际标准分类号】:77_140_15
【页数】:3P.;A4
【正文语种】:英语


【英文标准名称】:IEC/TS62610-2,Ed.1:Mechanicalstructuresforelectronicequipment-ThermalmanagementforcabinetsinaccordancewithIEC60297andIEC60917-Part2:Designguide-Methodfordeterminationofforcedair-coolingstructure
【原文标准名称】:IEC/TS62610-2,版本1:电子设备机械结构.符合IEC60297和IEC60917标准的机壳热量控制.第2部分:设计指南.强制风冷结构测定用方法
【标准号】:IEC48D/402/CD-2009
【标准状态】:作废
【国别】:国际
【发布日期】:2009-05
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC48D
【标准类型】:()
【标准水平】:()
【中文主题词】:组装件;机箱架;组件;冷却;风冷;冷却设备;开发;电气工程;电子工程;电子设备;电子装置;外壳;制造;插盒;印制电路板;支架;结构体系;结构;辅助框架;开关柜;阀门;通风;通风管道
【英文主题词】:Airflow;Air-cooled;Assemblies;Cabinetrack;Components;Cooling;Coolingair;Coolingequipment;Developments;Electricalengineering;Electronicengineering;Electronicequipment;Electronically-operateddevices;Enclosures;Manufacturing;Plugboxes;Printed-circuitboards;Racks;Structuralsystems;Structuring;Subracks;Switchcabinets;Valves;Ventilation;Ventilationducts
【摘要】:
【中国标准分类号】:L94
【国际标准分类号】:23_120;31_240
【页数】:
【正文语种】:英语