【精品】水处理行业专业词汇

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1、专业词汇AABC-SeeAssociationofBoardsofCertificationabsorbeddose・Theamountofachemicalthatentersthebodyofanexposedorganismabsorption-Theuptakeofwaterordissolvedchemicalsbyacelloranorganism(astreercx)tsabsorbdissolvednutrientsinthesoil)absorptionfactor-Thetrac

2、tionofachemicalmakingcontactwithanorganismthatisabsorbedbytheorganismacceptabledailyIntake(ADI)-fetimateofthelargestamountofchemicaltowhichapersoncanbeexposedonadailybasisthatisnotanticipatedtoresultinadverseeffects(usuallyexpressedinmg/kg/day)・SameasR

3、fDaccuracy-Howcloselyaninstrumentmeasuresthetrueoractualvalueoftheprocessvariablebeingmeasuredorsensedacidic(uh-SIDick)・TheconditionofwaterorsoilwhichcontainsasufficientamountofacidsubstancestolowerthepHbelow7.0acidified(uh-SID-uh-FIE-d)-Theadditionofa

4、nacid(usuallynitricorsulfuric)toasampletolowerthepHbelow20.ThepurposeofacidificationistoHfixHasamplesoitwon'tchangeuntilitisanalyzedacidminedrainage・Drainageofwaterfromareasthathavebeenminedforcoalofothermineralores;thewaterhaslowpH,sometimeslessthan2.

5、0(isacid),becauseofitscontactwithsulfur-bearingmaterial;aciddrainageisharmfulbecauseitoftenkillsaquaticorganismsacidrain・Precipitationwhichhasbeenrendered(made)acidicbyairbornepollutantsacre-foot・Avolumeofwaterthatcoversoneacretoadepthofonefoot,or43,56

6、0cubicfeet(1233.5cubicmeters)actionlevel-TheconcentrationofleadorcopperinwaterspecifiedatCodeofFederalFtegulations141.80©whichdetermines,insomecases,thetreatmentrequirementscontainedinsubpartIofthispartthatawatersystemisrequiredtocompleteactivatedcarbo

7、n・Adsorptiveparticlesorgranulesofcarbonusuallyobtainedbyheatingcarbon(suchaswood).Theseparticlesorgranuleshaveahighcapacitytoselectivelyremovecertaintraceandsolublematerialsfromwateractivetransport・Anenergy-expendingmechanismbywhichacelImovesachemicala

8、crossthecellmembranefromapointoflowerconcentrationtoapointofhigherconcentra-tion,againstthediffusiongradientacute・Occurringoverashortperiodoftime;usedtodescribebriefexposuresandeffectswhichappearpromptlyafterexposureacuteexposure・Asingl