简介：ＮＵＭＥＲＩＣＡＬ　ＳＩＭＵＬＡＴＩＯＮ　ＦＯＲ　ＣＯＮＴＡＭＩＮＡＮＴＳ　ＡＮＤ　ＷＡＴＥＲ　ＴＲＡＮＳＰＯＲＴ　ＩＮ　ＳＯＩＬＳＭＥＲＩＣＡＬＳＩＭＵＬＡＴＩＯＮＦＯＲＣＯＮＴＡＭＩＮＡＮＴＳＡＮＤＷＡＴＥＲＴＲＡＮＳＰＯＲＴＩＮＳＯＩＬＳ￥Ｗａ...

简介：ＮＵＭＥＲＩＣＡＬ　ＣＯＭＰＵＴＡＴＩＯＮ　ＯＦ　ＴＨＥ　ＤＩＦＦＵＳＩＯＮ　ＯＦ　ＴＨＥ　ＣＯＮＴＡＭＩＮＡＮＴＳ　ＡＮＤ　ＴＨＥ　ＦＬＯＷ　ＦＩＥＬＤ　ＯＦ　ＳＫＥＷ　ＤＩＳＣＨＡＲＧＥＳ　ＩＮＴＯ　Ａ　ＣＨＡＮＮＥＬＮＵＭＥＲＩＣＡＬＣＯＭＰＵ...

简介：PCBspollutantsaremeasuredontidal-flatsedimentsofYangtzeestuarybyahighresolutioncapillarycolumngaschromatography(HP6890)equippedwithan63Nielectroncapturedetector(ECD).TheconcentrationtendencyofPCBsisPhragmiteszone＞Scirpuszone＞baremudflats.TherearelinearrelationsbetweenPCBsandTOCand＞63μmgrainsizepercentage(involume).Thelowchlorinatedcongenersmaybemoreimportantthanthehighchlorinatedcongenersinthisarea.PCBsprefertoaccumulateinthesedimentsnearsewageoutletsandPhragmiteszone.Thesediments′PCBspollution(10.7～28.6ng/g,dryweight)intheYangtzeestuarytidal-flatislessseriousthanthatofthemostofotherareasintheworld.Butthedetectedratiois100%,eventheJiuduanshashoalhasdetectedPCBs,somuchattentionshouldbepaidtothisareaforPCBs.

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简介：Miningandsmeltingactivitiesarethemaincausesfortheincreasingpollutionofheavymetalsinsoil,waterbodyandstreamsediment.Anenvironmentalgeochemicalinvestiga-tionwascarriedoutinandaroundthePanzhihuaminingandsmeltingareatodeterminetheex-tentofchemicalcontaminationinsoilandsediment.Themainobjectiveofthisstudywastoin-vestigatetheenvironmentalgeochemistryofTi,V,Cr,Mn,Cu,Pb,ZnandAsinsoilandsedimentandtoassessthedegreeofpollutioninthestudyarea.Thedataofheavymetalcon-centrationsrevealthatsoilsandsedimentsintheareahavebeenslightlycontaminated.Geo-chemicalmapsofIgeoofeachheavymetalshowthatthecontaminatedsitesarelocatedinV-Ti-magnetiteslopingandsmelting,ganguesdam.Thepollutionsourcesoftheselectedelementscomemainlyfromdustsresultantfromminingactivitiesandotherthree-waste-effluents.Theareaneedstobemonitoredregularlyfortracemetal,especiallyheavymetalenrichment.

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简介：Excessiveconsumptionofelectricalenergyhashamperedthewidespreadapplicationofelectrochemicaltechnologyfordegradationofvariouscontaminants.Inthispaper,aFe-basedmetallicglass(MG)wasdemonstratedasanewtypeofelectrocatalysttoeffectivelyandeconomicallydegradeanazodye.Incomparisontoothertypicalelectrodes,Fe-basedMGelectrodesexhibitaminimizeddegradationtime,andthespecificenergyis4-6ordersofmagnitudelowerthanthatofdimensionallystableanode(DSA),metal-likeboron-dopeddiamond(BDD)andotherelectrodes.Assacrificialelectrodematerials,Fe-basedMGshavelessspecificelectrodemassconsumptionthanironelectrodes.TheuseofFe-basedMGswillpromotethepracticalapplicationofelectrochemicaltechnologyandtheuseofMGsasfunctionalmaterials.

简介：如果，这研究的目的是检验杆菌细菌的某些紧张，能在干燥粉末产品幸存并且如果那么，细菌能降级在一艘轮船上的盐的废水的器官的沾染物。作为学习的部分，我们孤立7驯养的紧张说出NY1，NY2，...，并且NY7，紧张NY6出现了为有机物降级有最好的表演并且能在干燥粉末幸存超过3个月。NY6作为杆菌aerius被识别，基于词法并且药品化学药品性质。它的最佳的生长条件如下：咸度是2%；温度是37吗？？

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