DIN EN 61760-1-1999 表面安装技术.第1部分:表面安装元器件(SMDS)规范的标准方法

上一篇: DIN EN 1070-1999 机器的安全性.专业术语.三种语言版本
下一篇: DIN EN ISO 5458-1999 几何产品规范(GPS).几何公差.位置公差

【英文标准名称】:StandardGuideforConductingStaticAcuteToxicityTestsStartingwithEmbryosofFourSpeciesofSaltwaterBivalveMolluscs
【原文标准名称】:用四种咸水双壳类软体动物幼虫进行的静态急性毒力试验的标准指南
【标准号】:ASTME724-1998(2004)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:幼虫;试件;污染控制;毒性;农药;危险物质;试验
【英文主题词】:acutetoxicitytest;bivalvemollusclarvae;bivalvemolluscsembryos;bluemussel;Crassostreagigas;Crassostreavirginica;hardclam;Mercenariamercenaria;Mytilusedulis;oyster
【摘要】:Anacutetoxicitytestisconductedtoobtaininformationconcerningtheacuteeffectsofashorttermexposureoforganismstoatestmaterialunderspecificexperimentalconditions.Anacutetoxicitytestdoesnotprovideinformationconcerningwhetherdelayedeffectswilloccur.Becauseembryosandlarvaeareusuallyassumedtobethemostsensitivelifestagesofthesebivalvemolluscspeciesandbecausethesespeciesarecommerciallyandrecreationallyimportant,resultsoftheseacutetestsareoftenconsideredtobeagoodindicationoftheacceptabilityofpollutantconcentrationstosaltwatermolluscanspeciesingeneral.Resultsoftheseacutetoxicitytestsareoftenassumedtobeanimportantconsiderationwhenassessingthehazardofmaterialstoothersaltwaterorganisms(seeGuideE1023)orwhenderivingwaterqualitycriteriaforsaltwaterorganisms(3).Resultsofacutetoxicitytestsmightbeusedtopredictacuteeffectslikelytooccurtoaquaticorganismsinfieldsituationsasaresultofexposureundercomparableconditions,exceptthattoxicitytobenthicspeciesmightdependonsorptionorsettlingofthetestmaterialontothesubstrate.Resultsofacutetestsmightbeusedtocomparetheacutesensitivitiesofdifferentspeciesandtheacutetoxicitiesofdifferenttestmaterials,andtodeterminetheeffectsofvariousenvironmentalfactorsonresultsofsuchtests.Resultsofacutetoxicitytestsmightbeusefulforstudyingbiologicalavailabilityof,andstructureactivityrelationshipsbetween,testmaterials.Resultsofacutetoxicitytestswilldependontemperature,compositionofthedilutionwater,conditionofthetestorganisms,andotherfactors.1.1Thisguidedescribesproceduresforobtaininglaboratorydataconcerningtheacuteeffectsofatestmaterialonembryosandtheresultinglarvaeoffourspeciesofsaltwaterbivalvemolluscs(Pacificoyster,CrassostreagigasThunberg;easternoyster,CrassostreavirginicaGmelin;quahogorhardclam,MercenariamercenariaLinnaeus;andbluemussel,MytilusedulisLinnaeus)duringstatic48-hexposures.Theseprocedureswillprobablybeusefulforconductingstaticacutetoxicitytestsstartingwithembryosofotherbivalvespecies()althoughmodificationsmightbenecessary.1.2Othermodificationsoftheseproceduresmightbejustifiedbyspecialneedsorcircumstances.Althoughusingproceduresappropriatetoaparticularspeciesorspecialneedsandcircumstancesismoreimportantthanfollowingprescribedprocedures,resultsoftestsconductedbyusingunusualproceduresarenotlikelytobecomparabletoresultsofmanyothertests.Comparisonofresultsobtainedbyusingmodifiedandunmodifiedversionsoftheseproceduresmightprovideusefulinformationconcerningnewconceptsandproceduresforconducting48-hacutetestsstartingwithembryosofbivalvemolluscs.1.3Theseproceduresareapplicabletomostchemicals,eitherindividuallyorinformulations,commercialproducts,orknownmixtures.Withappropriatemodificationstheseprocedurescanbeusedtoconductacutetestsontemperature,dissolvedoxygen,andpHandonsuchmaterialsasaqueouseffluents(seealsoGuideE1192),leachates,oils,particulatematter,sediments,andsurfacewaters.Renewaltestsmightbepreferabletostatictestsformaterialsthathaveahighoxygendemand,arehighlyvolatile,arerapidlybiologicallyorchemicallytransformedinaqueoussolution,orareremovedfromtestsolutionsinsubstantialquantitiesbythetestchambersororganismsduringthetest.1.4ResultsofacutetoxicitytestswithembryosofbivalvemolluscsshouldusuallybereportedastheEC50basedonthetotal......
【中国标准分类号】:C05
【国际标准分类号】:
【页数】:21P.;A4
【正文语种】:


Product Code:SAE AMS3687
Title:Adhesive Film, Humidity-Resistant, Epoxy, for Sandwich Panels, -55 to +95Mdc (-65 to +200Mdf) (NONCURRENT Jan 1993)
Issuing Committee:Ams P Polymeric Materials Committee
Scope:This specification covers a high-humidity-resistant, modified epoxy adhesive in the form of film supplied as rools or sheets.