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WritinganabstractStyleofanAbstract•Conciseandclear•Sentencestructureshouldbeverydirect–notthesameasapaper•ThinkofaJournalistwritingastoryaboutyourpaperinEnvironmentalScience•Mustbeselfcontainedastheabstractoftenisreadorpresentedintheabsenceofthefullpaper(1)Descriptiveabstracts(2)InformativeabstractsHowisanabstractdifferenttoanintroduction?TenstepsWhattoAvoid摘要应具有独立性和自含性,不应出现图表、冗长的数学公式和非公知公用的符号、缩略语。篇幅一般在100~300字之间,一般不分段落。常见错误常见错误雪松木屑对含铜废水的生物吸附研究ABSTRACTVarietyexistenceformofcopperinnaturalwater,distributedinvariousaquaticecosystemscomponents,haveaneffectonthecomponentsoftheecosystem.BystudyingtheeffectofcharacterizationofadsorptiononCu(Ⅱ)bycedarwoodatdifferentpH,adsorptiontime,temperature,metalionconcentrationandunderdifferentsolid-liquidratio,andtoexploretheadsorptionmechanism.Theresultsshowthat(1)10%HNO3asmodifierofmodifiedcrums(2)WhentheconcentrationinitialofCu2+islow,thehighertheadsorptionefficiencycanreach78.03%-92%.(3)theoptimalconditionsofmodifiedcrumsadsorption:pH4-6,theadsorptiontemperatureis40℃,theadsorptiontimeis60min(4)theoptimumsolidtoliquidratioofthemodifiedcrumsontheadsorptionofCu2+is20.KEYWORDSsawdust;modification;Cu2+;Biologyabsorption雪松木屑对含铜废水的生物吸附研究BiosorptionofTl(Ⅰ)fromaqueoussolutionontoHNO3-modifiedcedarwoodwasinvestigatedbyabatchexperiments.Kineticandisothermstudieswerecarriedoutbyconsideringtheeffectsofvariousparameters,suchaspH,contacttime,temperature,initialmetalionconcentrationandsolid-liquidratioofsorbentandsolution.Theresultsshowedthat10%HNO3wasagoodmodifierforcedarwood.Theadsorptionefficiencycanreach78.03%-92%.ItsoptimumconditionswerepH4-6,40℃,theadsorptiontime60min,respectively.theoptimumsolidtoliquidratioofthemodifiedcedarwoodandCu2+solutionwas20.KEYWORDSsawdust;modification;Cu2+;biosorption