热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

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

作者:标准资料网 时间:2024-05-14 16:14:18  浏览:8335   来源:标准资料网
下载地址: 点击此处下载
【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】:


下载地址: 点击此处下载
【英文标准名称】:TransmissionandMultiplexing(TM)-DigitalRadioRelaySystems(DRRS)-HighcapacityDRRScarrying1SynchronousTransportModule-1(1STM-1)signalsoperatinginthe18GHzfrequencybandwithchannelspacingof55MHz(EndorsementoftheEngl
【原文标准名称】:传输和多路复用(TM).数字无线电中继系统(DRRS).通路空间为55MHz的在18GHz频率谱带内操作的载有1同步运输模式1信号的数字无线电中继系统
【标准号】:DINEN300430-2000
【标准状态】:作废
【国别】:德国
【发布日期】:2000-04
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:传输技术;多路复用;电信;电信;无线电中继系统;陆地的;数字工程;无线电设备;电气工程;无线电通信链路;多路传送;无线电电路;无线电工程;远程通信;通信
【英文主题词】:radiolinks;radio-relaysystems;telecommunications;multiplex;radiocircuits;transmissiontechnique;telecommunication;electricalengineering;radioengineering;digitalengineering;terrestrial;radioequi
【摘要】:
【中国标准分类号】:M11
【国际标准分类号】:33_060_30
【页数】:1P;A4
【正文语种】:德语


【英文标准名称】:Aerospaceseries-Pipecoupling8°30intitaniumalloy-Thrustwirenuts;GermanversionEN3264:2001
【原文标准名称】:航空航天系列.钛合金8°30'管连接件.推力金属丝螺母;德文版本EN3264:2001
【标准号】:DINEN3264-2002
【标准状态】:作废
【国别】:德国
【发布日期】:2002-08
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:活接头螺母;钛;表面处理;航天运输;作标记;管道系统;钛合金;管道;螺母;管道配件;名称与符号;规范(验收);验收规范;压合接头;流体技术;液压系统;多语种的;推力金属丝;航空运输;航空航天运输;飞行器
【英文主题词】:Acceptancespecification;Aerospacetransport;Airtransport;Aircraft;Compressionfittings;Designations;Fluidsystems;Fluidtechnologies;Marking;Multilingual;Nuts;Pipefittings;Pipesystem;Pipelines;Spacetransport;Specification(approval);Surfacetreatment;Thrustwires;Titanium;Titaniumalloys;Unionnuts
【摘要】:
【中国标准分类号】:V20
【国际标准分类号】:49_080
【页数】:8P.;A4
【正文语种】:德语



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1