【英文标准名称】:StandardGuideforConductingLife-CycleToxicityTestswithSaltwaterMysids
【原文标准名称】:用海水糠虾进行生活史毒性试验的标准指南
【标准号】:ASTME1191-2003a(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:
【英文主题词】:flow-throughtest;lifecycle;mysids;toxicitytest;Aqueousenvironments;Biologicaldataanalysis;Broodstocktanks;Chamber;Contactstocksolutions;Flow-throughtestchambers;Freshwater;Lifecycle(ofaquaticorganisms);Marineenvironments;
【摘要】:Protectionofaspeciesrequirespreventionofunacceptableeffectsonthenumber,weight,health,andusesoftheindividualsofthatspecies.Alife-cycletoxicitytestisconductedtodeterminewhatchangesinthenumbersandweightsofindividualsofthetestspeciesresultfromeffectsofthetestmaterialonsurvival,growth,andreproduction.Informationmightalsobeobtainedoneffectsofthematerialonthehealthandusesofthespecies.Resultsoflife-cycletestswithmysidsmightbeusedtopredictlong-termeffectslikelytooccuronmysidsinfieldsituationsasaresultofexposureundercomparableconditions.Resultsoflife-cycletestswithmysidsmightbeusedtocomparethechronicsensitivitiesofdifferentspeciesandthechronictoxicitiesofdifferentmaterials,andalsotostudytheeffectsofvariousenvironmentalfactorsonresultsofsuchtests.Resultsoflife-cycletestswithmysidsmightbeanimportantconsiderationwhenassessingthehazardsofmaterialstoaquaticorganisms(seeGuideE1023)orwhenderivingwaterqualitycriteriaforaquaticorganisms(1).3Resultsofalife-cycletestwithmysidsmightbeusefulforpredictingtheresultsofchronictestsonthesametestmaterialwiththesamespeciesinanotherwaterorwithanotherspeciesinthesameoradifferentwater(2).Mostsuchpredictionstakeintoaccountresultsofacutetoxicitytests,andsotheusefulnessoftheresultsfromalife-cycletestwithmysidsisgreatlyincreasedbyalsoreportingtheresultsofanacutetoxicitytest(seeGuideE729)conductedunderthesameconditions.Resultsoflife-cycletestswithmysidsmightbeusefulforstudyingthebiologicalavailabilityof,andstructure-activityrelationshipsbetween,testmaterials.Resultsoflife-cycletestswithmysidsmightbeusefulforpredictingpopulationeffectsonthesamespeciesinanotherwaterorwithanotherspeciesinthesameoradifferentwater(3).1.1Thisguidedescribesproceduresforobtaininglaboratorydataconcerningtheadverseeffectsofatestmaterialaddedtodilutionwater,butnottofood,oncertainspeciesofsaltwatermysidsduringcontinuousexposurefromimmediatelyafterbirthuntilafterthebeginningofreproductionusingtheflow-throughtechnique.Theseprocedureswillprobablybeusefulforconductinglife-cycletoxicitytestswithotherspeciesofmysids,althoughmodificationsmightbenecessary.1.2Othermodificationsoftheseproceduresmightbejustifiedbyspecialneedsorcircumstances.Althoughusingappropriateproceduresismoreimportantthanfollowingprescribedprocedures,resultsoftestsconductedusingunusualproceduresarenotlikelytobecomparabletoresultsofmanyothertests.Comparisonofresultsobtainedusingmodifiedandunmodifiedversionsoftheseproceduresmightprovideusefulinformationonnewconceptsandproceduresforconductinglife-cycletoxicitytestswithsaltwatermysids.1.3Theseproceduresareapplicabletoallchemicals,eitherindividuallyorinformulations,commercialproducts,orknownmixtures,thatcanbemeasuredaccuratelyatthenecessaryconcentrationsinwater.Withappropriatemodifications,theseprocedurescanbeusedtoconducttestsontemperature,dissolvedoxygen,andpHandonsuchmaterialsasaqueouseffluents(seealsoGuideE1192),leachates,oils,particulatematter,sediments,andsurfacewaters.1.4Thisguideisarrangedasfollows:【英文标准名称】:Networkaspects(NA).Metropolitanareanetwork(MAN).Physicallayerconvergenceprocedure(PLCP)for622,080mbit/SCCITTrecommendationsG.707,G.708andG.709SDHbasedsystems.Protocolimplementationconformancestatement(PICS).
【原文标准名称】:网络特性.城域网(MAN).622.080MBIT/SCCITT推荐技术标准G.707、G.708和G.709同步数字系列为基础的系统用的物理层会聚过程(PLCP).协议实施一致性报告(PICS)
【标准号】:NFZ88-277-1996
【标准状态】:现行
【国别】:法国
【发布日期】:1996-12-01
【实施或试行日期】:1996-12-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;网络互连;传输协议;远程通信;MAN;通信网;网络;物理层;城域网;PICS;合格证明书
【英文主题词】:
【摘要】:
【中国标准分类号】:M11
【国际标准分类号】:35_110
【页数】:10P;A4
【正文语种】:其他