简介：在台湾海峡的有颜色的溶解有机物(CDOM)的吸收性质的空间、时间的可变性在夏天(到2006的8月的7月)和冬季被调查(从2006年12月到2007的1月)季节。在280nm的CDOM吸收系数(一280)从nearshore显示出一个减少的趋势到近海区域当时光谱在275295nm(S275295)显示出的波长之间计算的斜坡系数参数增加，减少的aromaticity的陈述语气和CDOM的分子的重量。一般水准280在冬季(1.47牡敳

简介：降级系数被建议由直接分析电气化学的阻抗光谱学(EIS)的Bode阴谋评估器官的涂层的降级度数据。这份报纸由EIS和降级系数值调查了酉分的环氧基树脂涂层/洋铁系统的降级，它在10Hz与断点频率和阶段角度的变化的结果相关很好。而且，降级过程被扫描电子显微镜(SEM)并且扫描探查显微镜学(SPM)证实。降级系数能在实际应用被用于器官的涂层的降级度的快评估，这被结束。

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简介：Background:Soilorganiccarbon(SOC)isalargereservoirofterrestrialcarbon(C);itconsistsofdifferentfractionsofvaryingcomplexityandstability.PartitioningSOCintodifferentpoolsofdecomposabilityhelpbetterpredictthetrendofchangesinSOCdynamicsunderclimatechange.InformationonhowphysicalfractionsandchemicalstructuresofSOCarerelatedtoclimateandvegetationtypesisessentialforspatialmodelingofSOCprocessesandresponsestoglobalchangefactors.Method:Soilsampleswerecolectedfrommultiplerepresentativeforestsitesofthreecontrastingclimaticzones(i.e.cooltemperate,warmtemperate,andsubtropical)ineasternChina.MeasurementsweremadeonSOCcontentsandphysicalfractionsofthe0–20cmsoillayer,andthechemicalcompositionofSOCofthe0–5cmsoillayer,alongwithmeasurementsandcompilationofthebasicsiteandforeststandvariables.Thelong-termeffectsoftemperature,litterinputs,soilcharacteristicsandvegetationtypeontheSOCcontentsandfactionswereexaminedbymeansof"spacefortimesubstitution"approachandstatisticalanalysis.Result:Meanannualtemperature(MAT)variedfrom2.1℃atthecooltemperatesitesto20.8℃atthesubtropicalsites.TotalSOCofthe0–20cmsoillayerdecreasedwithincreasingMAT,rangingfrom89.2g·kg^-1incooltemperateforeststo57.7g·kg^-1insubtropicalforests,atanaveragerateof1.87%reductioninSOCwitha1℃increaseinMAT.WithincreasingMAT,theproportionsofaromaticCandphenolicCdisplayedatendencyofdecreases,whereastheproportionofalkylCandA/O-Avalue(theratioofalkylCtothesumofO-alkylCandacetalC)displayedatendencyofincreases.Overall,therewerenosignificantchangeswithMATandforesttypeineitherthephysicalfractionsorthechemicalcomposition.BasedontherelationshipbetweentheSOCcontentandMAT,weestimatethatSOCinthetop20soillayerofforestspotentiallycontribute6.58–26.3PgCgloballytotheat

简介：Effectsoforganicfertilizersandeffectivemicrobesonlefwaterretentionofsweetcorn(ZeamaysL.cv.Honey-Bantam)werestudied.Sweetcornsweregrownwithorganicorchemicalfertilzerswithorwithouteffectivemicrobes(EM).Awaterretentionurvewasobtainedbydryingtheexcisedleavesunderalightof500μmol(m^2.s)^-1,Thecureshowstwodistinctphases.Theinitialsteepslopeindicatesthewaterlossspeedbystomataltranspiration(Est)andthegentleslopeofthesecondphaseindicateswaterlossspeedbycuticulartranspiration(Ecu).BothEstandEcuwerelowerforleavesofplantsgrownwithorganicmaterialsthanfrothoewithchemicalfertilizers.AdditionofEMtobothorganicandchemicalfertilizersdecreasedEstbutshowednoeffectonEcu.Thewaterretentionabilityoftheexcisedleaveswasproportionaltopho-tosyntheticmaintenanceabilityundersoilwaterdeficitconditionsaswellasthesolteconcentrationinleaves,TheresultssuggestedthatorganicfertilizationandEMappicationincreasedwaterstressresistancebothunderinsituconditionsandinexcisedleavesofsweetcornplants.

简介：这研究处理了土壤的分发特征器官的碳(SOC)和有在六个土壤剖面的深度的稳定的碳同位素组成(delta~(13)C价值)的变化，包括在西南中国的石灰岩地区常见的地形区域的二个土类和三植被型。植物主导的种类的delta~(13)C价值，叶发出，土壤被测量使用封口试管高温度的燃烧方法。玷污石灰石土壤剖面的内容都在11.4g/kg上面的器官的碳，与在表面土壤的71.1g/kg的最高的价值。然而，内容在三黄壤侧面在2.9g/kg和46.0g/kg之间变化。C土壤有机物(SOM)珍视的最大、最小的delta~(13)之间的差别为三黄壤侧面每千每千从2.2改变到2.9。但是它为石灰石土壤剖面每千每千从0.8改变到1.6。对比研究在器官的碳的垂直模式和在黄壤和石灰石土壤之间的SOM的delta~(13)C价值显示了那在那里存在的重要差别。这差别可以反映地点特定的因素，例如土类，植被型，土壤pH，和粘粒含量，等等，哪个控制在侧面包括SOM和土壤碳周转率的不同器官的部件的内容。在SOM的稳定的碳同位素的垂直变化模式有一不同地区性，在石灰岩地区常见的地形区域的特性。

简介：Throughexperimentsandcomputersimulation,theinfluenceoftheenergylevelsoforganicmaterialsandelectrodematerialsintheorganiclight-emittingdiodes(OLEDs)onthedeviceperformancesisdiscussed.Resultsshowthatthedeviceperformancesareinfluencedbynotonlythecarrierinjectionbarriersattheelectrodeinterfacebutalsothebarriersattheorganicheterojunctioninterface.ThisresultishelpfultotheselectionoftheorganicmaterialsandtheirarrangementintheoptimaldesignofOLEDs.

简介：Thepaperdealswiththedegradationoftheorganiccompoundsinthecokeplantwastewaterbythecombinedprocessofultrasonicirradiationandactivatedsludge.Theinfluencefactorsoftheultrasonicdegradationeffectsuchasairatmosphere,initialconcentration,ultrasonicpowerdensityandthecategoryandconsumptionofcatalystwereinvestigated.Awaterqualitymodelwasusedtoexplainthedegradationofdifferentkindsoforganiccompoundsinthecokeplantwastewaterbyultrasonicirradiation.Afterthewastewaterwastreatedbythecombinedprocessofultrasonicirradiationandactivatedsludge,theCODdegradationefficiencywas95.74%,whichis63.49%higherthanthatbytheprocessofactivatedsludgealone.

简介：WehavestudiedtheinterfacialstructuresofAlN/Si(111)grownbymetal-organicchemicalvapourdeposition.X-rayphotoelectronspectroscopyandAngerelectronspectroscopywereusedtoanalysethecomponentsandchemicalstructuresofAlN/Si(111).Theresultsindicatedthatamix-crystaltransitionregion,approximately12nm,waspresentbetweentheAlNfilmandtheSisubstrateanditwascomposedofAlNandSi3N4.AfteranalysiswefoundthattheexistenceofSi3N4couldnotbeavoidedintheAlN/Si(111)interfacebecauseofstrongdiffusionat1070℃.EveninAlNlayerSi-Nbonds,Si-Sibondscanbefound.

简介：轧了nanorods用诱导地联合的血浆与Ninano岛面具蚀刻被制作。poly[2-methoxy-5-(2乙醇)hexoxy-1,4-phenylenevinylene](MEH-PPV)/GaN-nanorod混血儿结构被扔MEH-PPV电影在上制作由使用纺纱涂层过程轧了nanorods。在混合结构，空间分离被最小化完成高效率的非放射的反响的精力转移。由MEH-PPV/GaN-nanorod混合结构组成的一台新奇设备的光性质被分析光致发光(PL)学习系列。与相比纯轧了nanorods，乐队边排放的PL紧张在MEH-PPV/GaN-nanorods轧了像黄乐队的三次，和紧张稍微被压制一样，被提高。获得的结果被精力转移在之间分析轧了nanorods和MEH-PPV。一个精力转移模型被建议解释现象。

简介：多孔的碳膜是有利地通过polyacrylonitrile(平底锅)的热分解制作了先锋，它与没有模板的technique-thermally导致的阶段分离被准备。这些碳膜拥有层次毛孔，包括越过在矩阵以及在毛孔墙上的整个膜和小毛孔的细胞的macropores。氮吸附显示micropores(1.47和1.84nm)和mesopores(2.21nm)在碳膜内存在，导致他们象1062m2/g一样大的特定的表面区域。碳膜被用来基于他们层次毛孔结构和大特定的表面区域的优点从水的答案吸附器官的染料(甲基橘子，刚果红，和玫瑰精B)。膜向甲基橘子介绍选择吸附，是特别地引人注目的，其分子的尺寸(1.2nm)是比刚果红(2.3nm)和玫瑰精B(1.8nm)的那些小的。这吸引人的结果能被归因于在分子的尺寸和毛孔之间匹配尺寸，而非静电的吸引力的位的结构。而且，使用的碳膜能容易被改革由盐酸酸，和他们的恢复吸附比率上面甚至在第三个周期维持90%。这个工作可以经由一条没有模板的途径为基于碳的吸附物向一条新线路提供层次毛孔，它能有希望地被使用有选择地在水的自河移开染料沾染物。

简介：Thisresearchdevelopsageneralized,one-dimensional,finitedifferencemodelforsimulatingthedistributionoftoxicsubstancesinariver-estuarinesystem.Thethreesub-modelsforunsteadyflow,sedimenttransport,andthereactionoftoxicsubstancesarealsopresentedusinganuncouplednumericalmethod.Thepaperalsoincludesexperimentalworkforsorption/desorption,fieldmeasurementsoforganiccarboncontentintheheavilypollutedKeelungRiver,andalaboratorystudyofcohesivesedimenttransportforthemodelcalibrationandverification.Inaddition,thisstudysimulatesthepolycyclicaromatichydrocarbons(PAHs)intheKeelungRiverinnorthernTaiwanasacasestudy.Encouragingresultsareobtained,andsuggestthatthemodelingapproachcouldbeextendedtosimulatethefateandtransportofsorbedpollutantsintidalriver.

简介：ＨＥＡＴＳ　ＯＦ　ＩＮＴＥＲＡＣＴＩＯＮ　ＯＦ　ＯＲＧＡＮＩＣ　ＢＡＳＥＳ　ＷＩＴＨ　ＰＯＬＹＭＥＲ　ＰＲＯＴＥＣＴＥＤ　ＣＡＴＡＬＹＳＴ　ＰＶＣ－ＡｌＣｌ＿３ＨＥＡＴＳＯＦＩＮＴＥＲＡＣＴＩＯＮＯＦＯＲＧＡＮＩＣＢＡＳＥＳＷＩＴＨＰＯＬＹＭＥＲＰＲ...

简介：Along-termexperimentbeginningin1981inJinxianCountyofJiangxiProvince,subtropicalChina,wasconductedinapaddyfieldunderadoublericecroppingsystemwithfourdifferentfertilizationregimes,including1)nofertilizerascontrol(CK),2)balancedchemicalN,P,andKfertilizers(NPK),3)organicmanureusingmilkvetchandpigmanureintheearlyandlatericegrowingseason,respectively(OM),and4)balancedchemicalfertilizerscombinedwithorganicmanure(NPKM).Samples(0-17cm)ofthepaddyfieldsoil,whichwasderivedfromQuaternaryredclay,werecollectedafterthelatericeharvestinNovember2003fordeterminationoftotalorganiccarbon(TOC)andtotalnitrogen(TN)andfractionsoforganicCandN.ResultsshowedthatTOCandTNintheNPKMandOMtreatmentsweresignificantlyhigherthanthoseinothertwotreatments(CKandNPK).ApplicationoforganicmanurewithorwithoutchemicalfertilizerssignificantlyincreasedthecontentsofallfractionsoforganicCandN,whereaschemicalfertilizerapplicationonlyincreasedthecontentsofoccludedparticulateorganicC(oPOC)andaminoacidN.Inaddition,applicationoforganicmanuresignificantlyenhancedtheproportionsoffreeparticulateorganiccarbon(fPOC)andoPOCintotalC,andthoseofaminosugarNandaminoacidN(P<0.01)intotalN.Incontrast,chemicalfertilizerapplicationonlyincreasedtheproportionsofoPOCandaminoacidN(P<0.05).TherewerenosignificantdifferencesineithercontentsorproportionsofsoilorganicCandorganicNfractionsbetweentheNPKMandOMtreatments.TheseindicatedthatorganicmanureapplicationwithorwithoutchemicalfertilizersplayedthemostsignificantroleinenhancingsoilorganicCandNquantityandqualityinthepaddyfieldstudied.

简介：器官的地效果晶体管被真空蒸发作为活跃的层用pentacene制作了，polyimide由分别地作为门由真空蒸发作为绝缘体层，和铝旋转涂层，采购原料并且排干电极。0.079cm2/V.s的地效果活动性在Vds=70V，和开／关无线电被测试直到1.7脳104。CLC数字TN325.3-TN386.2工程被中国(60676033)的国家自然科学基础支持

简介：Themechanismandsignificanceofsecondhydrocarbon-generationfromorganicmattertrappedinfluidinclusionsincarbonaterocksarediscussed.Thetypesoforganicmatterandtherelationshipbetweenthemarealsoreviewed.Theorganicmattertrappedininclusionsandcrystals,whichaccountformorethan20%ofthetotalorganicmatterincarbonaterocks,maybeofgreatsignificanceinthegenerationofhydrocarbons.High-temperatureoilresultingfromsecondhydrocarbon-generationshouldbeanimportanttarget,inadditiontonaturalgas,inoilgasprospectinginregionsofhigh-maturitycarbonaterocks.

简介：Opto-thermaltransientemissionradiometry(OTTER)isainfraredremotesensingtechnique,whichhasbeensuccessfullyusedininvivoskinmoisturecontentandskinmoisturedepthprofilingmeasurements.Inpresentpaper,weextendthismoisturecontentmeasurementcapabilitytoanalyzethemoisturecontentoffruit(tomato,grape,etc.)skins,andtostudytherelationshipbetweenfruitsripeningprocessandtheirsurfacemoistureandmoisturedepthprofiles.

简介：ThegolddepositsofTriassicperiodinthenorthwesternGuangxiarealllocatedinthemarine,fine-grained,fragmentalrockseriescontainingorganicmatter,i.e.thedistributiondistrictsofblackrockseries.Thefine-grainedgolddepositsoccurinorganicmatter-bearingC,D,E,orD,EdivisionsoftheclassicalBoumasequences.Theevolutiondegreeoforganicmattersthroughoilwindowstagereachedtheover-maturedegree.Boththebio-sourcesoftheorganicmattersandthedistributionofgoldintheorganicmattersdisclosethecloseassociationbetweengold,livingbeingsandorganicmatters.Thethermalevolutionoforganicmattersledtothegoldtobeactivized,migratedandenriched,andfinallyformedgolddepositsinthefaultbeltandcrushedzoneofblackrockseries.

简介：Theeffectsofvariousfactorsontheelectrocarboxylationoforganiccompoundswithcarbondioxidecatalyzedbymetalloporphyrinarestudied.Theoptimalpotentialofelectrocar-boxylationis-1.6V(vs.SCE).Aweakproticsolventmethanolcanenhancecatalyticactivity.Tetrabutylammoniumiodideisthebestoneoffiveelectrolytes.Theyieldsandcurrentefficienciesofelectrocarboxylationareincreasedslowlyastheconcentrationofcatalystincreases.

简介：城市的土壤，与城市的发展一起形成，有土壤的唯一的性质器官的碳。根据地调查和实验室分析，玷污Kaifeng的器官的碳(SOC)城市被学习，并且结果证明SOC的特征在在城市的区域的功能区域之中是不同的不仅，而且在城市的区域和郊区之间。在表层土的SOC的顺序是工业区域>娱乐区域>交通区域>文化/教育的区域>居住/行政的区域。土壤的密度在表层土和侧面的器官的碳(SOCD)跟随了娱乐区域的订单>工业区域>交通区域>文化/教育的区域>居住/行政的区域，和文化/教育的区域s>交通区域>工业区域>娱乐区域>行政/居住的区域分别地。在表层土和侧面的SOCD从城市的区域沿着横断线减少了到郊区，城市的区域有2.53褶层在表层土和1.56褶层的更多的SOCD在侧面的更多的SOCD比郊区分别地。SOC与深度减少了并且主要在030厘米的范围以内被散布。在城市的区域的SOC的变化在郊区是比那更复杂的。