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简介：TheeffectsofSO2,SO3ondenovosynthesisofpolychlorinateddibenzo-p-dioxins(PCDDs)anddibenzofurans(PCDFs)werestudiedusingmodelflyashesincorporatingcopperoxideandactivatedcarbon.ItwasfoundthattheinhibitiveeffectofSO2onPCDD/FsformationissimilartothatofSO3.Toinvestigatetheinhibitionmechanism,CuSO4formationsfrombothCuOandCuCl2wereexamined.TheabilityofSO3toconvertCuCl2andCuOonasilicasupportintosulfateismuchstrongerthanthatofSO2.However,replacingsilicabyactivatedcarbonleadstoamuchhighconversionofCuCl2toCuSO4inthepresenceofSO2.ThepromotionbyactivatedcarbonisexplainedbythereductionofCuCl2toCu2Cl2andtheeventualconversionofCu2Cl2intoCuSO4isthemaininhibitionmechanismofSO2ondenovosynthesisofPCDD/Fs.

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简介：<正>Aftermorethan2,000yearsofhistoryasatradingcentreandcommu-nicationshubontheBeijing-HangzhouGrandCanal(firstduginthe5thcenturyBC),Huai’anhasacquiredanairofoldmoneyandmellowleisure.Itmustbeoneoffewsmall-sizedcitieswherepeopleareashappytospendtheirleisuretimeinoneofthedozensofopen-airteahousesorrestaurantsbythewaterasinanair-conditionedshoppingmall.

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简介：so是英语中一个非常活跃的词，其使用频率高，范围广，因此它成为历年高考关注的热点。现将so的一些常见考点归纳分析如下。

简介：鱼小朵：号外号外,QQ消息也可定时发送了……淀粉：什么什么……QQ消息可以定时发送了？嘻嘻,这以后给亲朋好友送祝福时就再也不用担心错过合适的时间了,赶快说来听听吧!

简介：千万别想太多,你接下来将要看到的绝对不是围绕好莱坞大片《2012》里的情节如何如何不远了的无聊八卦,汽车或者说新车才是这本杂志永远的核心。当然我也从来没入过也从来没打算加入标题党,我要说的是计划于2012年前后上市销售的电动车真的已经离我们很近很近了,比如我刚刚在桂林的2010奥迪科技日上零距离接触过的e-tron和Q5HFC。

简介：ＷｈｙＩｓＩｔＳｏＤｉｆｉｃｕｌｔｆｏｒＧｉｒｌＧｒａｄｕａｔｅｓｔｏＧｅｔａＪｏｂ？ＴｈｅａｎｎｕａｌｃｏｌｅｇｅｇｒａｄｕａｔｅｊｏｂａｓｉｇｎｍｅｎｔｓｅａｓｏｎｈａｓａｒｉｖｅｄＢｕｔｔｈｅｎｅｗｓｆｏｒｇｉｒｌｇｒａｄｕａｔｅｓｉｓｎｏｔｓ...

简介：MrJenkinslivesinatown.Heworksina1.Therearealotofoldwonderfulthingsinit.Helikeshisworkandoftengoestohisofficeontime.

简介：一、so／neither＋be动词／助动词／情态动词＋主语当先陈述了一种情况后，表示这种情况也适用于另一个人或事物时，

简介：Diomentionsthat,afterLiciniusSuradied,apublicstatuewaserectedtohim,1whichmayhavealsoincludedtheacephalousILS1022inscription.TheattributionofthisinscriptiontoL.LiciniusSuraseemstobereasonableinviewofwhatisotherwiseknownofhiscareer.2Butdoubtshavebeenraisedabouttheallocationofthiscareerbecauseofthelimitedamountofevidenceavailable.TheotherprospectivecandidateforILS1022isQ.SosiusSenecio,originallysuggestedbyRonaldSyme,3laterstrenu...

简介：What'sthefirstthingtocometomindwhenthinkingofCuba?-Sugar?Rum?Caribbeanbeauties?-Possibly,butmorelikelyit'soneoflife'sultimateluxuries:highqualitycigars.Imaginespendingcloseto300kuaionastickoftobacco,onlytoseeitgoupinsmokewithinlessthananhour!

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简介：WhentheU.S.militarybrassassertedinmid-2014thattheproposeddefensecutbackswereunacceptable,theysignaledtheObamaadministrationthattheywouldnotrolloverandplaydeadwhilemilitaryspendingwascutbybillionsofdollarsinthecoming10years.Theterms"sequestration"and"OCO"wereusedrepeatedlyintheirspeechesand

简介：<正>Inthisnote.wewillshowthatnononuniformlatticeofSO（3,1）canbethefundamentalgroupofaquasi-compactKhlermanifold.Thus,combiningwiththeresultin[1].onegetsthatanonuniformlatticeinSO（n,1）（n≥3）cannotbeπ1ofanyquasi-compactKhlerianmanifold.