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1、CanadianEnvironmentalGLOSSARYQualityGuidelinesabsorption(1)Thetakingupofchemicalsubstancesbyindividualchemicalspresentinthemixture(i.e.,anorganismsthroughingestion,dermalcontact,orgaseousalgebraicsummationofeffects).exchanges.(2)Theprocessbywhichonem
2、aterialtakesadjuvantAningredientthat,whenaddedtoaupandretainsanotherthroughthepenetrationoftheformulation,aidstheactionofthetoxicant.Thetermabsorbedmoleculesintothemassoftheabsorbingincludessuchmaterialsaswettingagents,spreaders,material.emulsifiers,
3、dispersingagents,foamingagents,foamacclimation(1)Behaviouralorphysiological/suppressants,penetrants,andcorrectives.biochemicalcompensatoryadjustmentsofanorganismadsorptionTheprocessbywhichonematerialtakesuptothealterationofenvironmentalconditions.(2)
4、Anandretainsanotherthroughthebondingoftheadsorbedadaptationoforganismstoselectedexperimentalmoleculesontothesurfaceoftheadsorbingmaterial.conditions,includingadversestimuli.(3)ThetimeairstrippingAtechniqueforremovalofvolatileperiodpriortotheinitiatio
5、nofatoxicitytestinwhichsubstancesfromasolution,normallybytheuseoflargeorganismsaremaintainedinanuntreated,toxicant-freevolumesofair.mediumwithphysicalandchemicalcharacteristicsalkalinityAmeasureofthehydroxylionconcentrationinsimilartothoseusedduringt
6、hetoxicitytest.asolutionexpressedasapHvaluebetween7and14.acute(1)Havingasuddenonset,lastingashorttime.(2)Alkalinityisacapacityfactorthatrepresentstheacid-Ofastimulus,severeenoughtoinducearesponseneutralizingcapacityofasystem.rapidly.Canbeusedtodefine
7、eithertheexposureortheambientTheconditionsinthesurroundingenvironment.responsetoanexposure(effect).(3)AbriefexposuretoambientconcentrationRepresentativelevelofaastressorortheeffectsassociatedwithsuchancontaminantinanarea.Mayreflectnaturalgeologicexpo
8、sure.Itcanrefertoaninstantaneousexposure(i.e.,variationsortheinfluenceofgeneralizedindustrialororalgavage)orcontinuousexposures,fromminutestoaurbanactivityinaregion,presumablyunaffectedbyfewdaysdependingonthelifespanoftheorganism.pointsourcesofcontam
