BS ISO 31-1-2004 量和单位.空间和时间
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【英文标准名称】:Quantitiesandunits-Spaceandtime
【原文标准名称】:量和单位.空间和时间
【标准号】:BSISO31-1-2004
【标准状态】:作废
【国别】:英国
【发布日期】:2004-07-16
【实施或试行日期】:2004-07-16
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:符号;时间;长度;测量单位;单位;量;国际单位制;房屋;面积;角(几何学);体积;定义;尺寸
【英文主题词】:Angles(geometry);Area;Definition;Definitions;Length;Quantities;Rooms;SIsystem;Size;Symbols;Time;Units;Unitsofmeasurement;Volume
【摘要】:
【中国标准分类号】:A51
【国际标准分类号】:01_060;07_030
【页数】:20P;A4
【正文语种】:英语
【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】:
【英文标准名称】:Electrostatics—Part5-2:Protectionofelectronicdevicesfromelectrostaticphenomena–Userguide
【原文标准名称】:静电学.第5-2部分:电子设备的静电保护.用户指南
【标准号】:BSPDCLC/TR61340-5-2-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-05-30
【实施或试行日期】:2008-05-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThistechnicalreporthasbeendevelopedtosupportIEC61340-5-1.Thecontrolsandlimitsreferencedinthisstandardweredevelopedtoprotectdevicesthataresusceptibletodischargesof100Vorgreaterusingthehumanbodymodeltestmethod.However,thegeneralconceptsarestillvalidfordevicesthataresusceptibletodischargesoflessthan100V.
【中国标准分类号】:K04
【国际标准分类号】:17_220_99;29_020;31_020
【页数】:76P.;A4
【正文语种】:英语
