简介：ThetransformationoforganicP(Po)fromorganicmanuresintwotypesofsoils(ultisolandentisol)andtheinfluencesofexternaladditionoforganicsubstanceorinorganicP(Pi)onPoundertheconditionofthe60%maximumwatercapacitywereinvestigated.TheresultsobtainedfromPofractionationexperimentsindicatedthatallthePofractionsexceptforthehighlyresistantPofractiondecreasedduringincubation.ApplicationofpigfecesandcowfecescouldlargelyincreaseeachfractionofPointhesoils.ImmediatelyafterapplicationoforganicmanureintothesoilsalargepartoflabileandmoderatelylabilePofromorganicmanurewastransferredintomoderatelyresistantPo,whichmightbeduetothefactthatCa-orMg-inositolPwasprecipitatedintoFe-inositolP.However,theavailabilityofPofromorganicmanureinthesoilswouldincreaseagainafterincubationbecauseofthetransformationofmoderatelylabileandresistantPofractionsintolabilePofractions.AdditionofcelluloseorPiintothesoilsshowedagoodeffectonincreasingallthePofractionsexceptforthehighlyresistantPo,andthiseffectwasmuchmorepronouncedwhencellulosewasappliedincombinationwithPi.Therefore,inviewoftheeffectoforganicmanureonimprovingPnutritiontoplant,attentionshouldbepaidtoboththePoandtheorganicsubstancesfromorganicmanure,ItissuggestedthatapplicationofPifertilizercombinedwithorganicmanuremaybereferredtoasaneffectivemeansofprotectingPifromchemicalfixationinsoil.

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简介：Organicconductorisakindoforganiccompoundwhichhasspecialelectronicandmagneticproperties.Theresearchoftheorganiccompoundshasreceivedconsiderableattentionbecauseoftheirpotentialapplicationsinmanyareas.Themolecularconductiveunitsaretheoreticallyinvestigatedaswellastheirenergygapandchargedistribution.Therelationshipofconductivityandmicro-mechanismisdiscussed.

简介：which cannot be explained the one without the other" (Sayad 1999a摘要,to reveal that discourses on immigration are always performative discourses which help effect the wondrous social alchemy whereby a "foreigner" is made into a "national" (Sayad 1987 and 1994). All this Sayad knew or discovered because he was more than a scholar of immigration摘要,yet none of the parties to the Algerian migration was willing to face that reality. Emigration is never an "export of raw labor power and nothing more" (Sayad 1999a摘要

简介：Algerian Immigration in France (Gillette and Sayad 1976),Towards a Sociology of Immigration (Sayad and Fassa 1982),The Crisis of Traditional Agriculture in Algeria (Bourdieu and Sayad 1964)

简介：which cannot be explained the one without the other" (Sayad 1999a摘要,to reveal that discourses on immigration are always performative discourses which help effect the wondrous social alchemy whereby a "foreigner" is made into a "national" (Sayad 1987 and 1994). All this Sayad knew or discovered because he was more than a scholar of immigration摘要,yet none of the parties to the Algerian migration was willing to face that reality. Emigration is never an "export of raw labor power and nothing more" (Sayad 1999a摘要

简介：which cannot be explained the one without the other" (Sayad 1999a摘要,to reveal that discourses on immigration are always performative discourses which help effect the wondrous social alchemy whereby a "foreigner" is made into a "national" (Sayad 1987 and 1994). All this Sayad knew or discovered because he was more than a scholar of immigration摘要,yet none of the parties to the Algerian migration was willing to face that reality. Emigration is never an "export of raw labor power and nothing more" (Sayad 1999a摘要

简介：to reveal that discourses on immigration are always performative discourses which help effect the wondrous social alchemy whereby a "foreigner" is made into a "national" (Sayad 1987 and 1994). All this Sayad knew or discovered because he was more than a scholar of immigration,1981b) and his vivisection of exile as a fall into social darkness in "El Ghorba" (Sayad 2000,Sayad was among this very small group of individuals with whom one feels genuinely at home when introduced to a farmer from Kabylia or B閍rn

简介：yet none of the parties to the Algerian migration was willing to face that reality. Emigration is never an "export of raw labor power and nothing more" (Sayad 1999a,which cannot be explained the one without the other" (Sayad 1999a,Algerian Immigration in France (Gillette and Sayad 1976)

简介：Biomarkerisanimportanttoolinthestudyofmarineorganicgeochemistry.Itsdevelopmentandapplicationmakesitpossibletoelucidatetheprocessandmechanismoftheorganicmatterintheocean.Hydrocarbonsarethemostusefulmolecularmarkers.Theyareusedastracersinmanyaspects,suchassourceindication;thedegradationoforganicmatter;diagensisprocess;environmentalpollutionandpaleooceanicstudy,etc.Theyarestudiedintheestuaries,coastalareaanddeepseatogivetheknowledgeofmarineorganicgeochemistry.Thepaperdealswiththecharacteristics,developmentandapplicationofbiomarkersaswellastheiradvantagesanddisadvantages.

简介：TheamountsofsoilnonexchangeableKextractedwith0.01mL/Loxalicacidandcitricacidsolutionsandthatwithboiling1mL/LHNO3fortenminuteswereremarkablysignificantlycorrelatedwitheachother,andtheamountextractedwiththeoxalicacidsolutionwashigherthanthatwiththecitricacidsolution.ThesoilnonexchangeableKreleasewascomprisedoftwofirst-orderkineticprocesses.ThefasteronewasascribedtotheinterlayerKinoutersphere,whilethesloweronetothatininnersphere.TherateconstantsofthesoilnonexchageableKweresignificantlycorrelatedwiththeamountsofnonexchangeableKextractedwithboiling1mL/LHNO3fortenminutes.Studyonthefitnessofdifferentkineticequationsindicatedthatthefirst-order,parabolicdiffusionandzero-orderequationscouldalldescribethereleaseofsoilnonexchangeableKwell,butElovichequationwasnotsuitabletodescribeit.

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简介：Photoelectricpropertyofpolyanilinedopedwithdodecyl-benzeneincreasesobviously,whenpolyanilinedopedwithDBSAisirradiatedwithlight,Mixtureofsensitivematerialisadvantageoustotheabsorptionofpolyanilineinvisiblelightspectrum,andtheconductivityisalsoimproved.TheresultsofdielectricmeasurementsonpolyanilinedopedwithDBSAinanAl-PAn-DBSA-Alconfigurationasfunctionoffrequencyandtemperaturearereported.Thespace-chargepolarizationphenomenonisobserved.Carrierlifetimeismicrosecondmagnitudeandmobilityis(0.001-0.1)cm^2/V·s,whichareobtainedbycalculationorexperiment.Theactiveenergyisobtainedfromtherelationbetweenconductivityandtemperature.TheconductingmechanismofPAn-DBSAisanalyzed.

简介：Studiesoforganicinclusionsfromtheoffshoreoilandgasfieldsprovidemuchinformationaboutthenumberoftimes,temperature,depth,timeandphasestateofoil-gasmigration,aswellasaboutthecompositionoforganicinclusions.Onthebasisofthetype,character,compositionanddistributionoforganicinclusionsintheZhu-ⅢDepressionatthePearlRiverMouth,informationcanbedevelopedaboutthesourcerocksofoilandgas,andtheirevolutionandmigration.

简介：Basedontheinvestigationoftheluminescenceofaseriesofrareearthorganicchelates,somerelationshipsbetweenluminescenceandthestructureofthechelateswereproposed:theintensityofsensitizedluminescenceofcentrallanthanideions(Ln3+)inarareearthorganicchelatedependson(1)thesuitabilityoftheenergygapbetweentheexcitedtripletenergyleveloftheligandsandthelowestexcitedenergylevelofLn3+ions;(2)therigidityandplanarityofthestructureofthechelatemolecule;(3)theexistenceofasuitablesecondaryligandwhichmayincreaserigidityandthestabilityofthechelatemolecule;and(4)theexistenceofasuitableπ-conjugatedsysteminthechelatemolecule.Accordingtotheaboverelationships,25novelorganicligandsweredesignedandsynthesized,andtheirlanthanidechelateswereprepared.Investigationofthephotoluminescenceforthenewchelatesshowsthatsomeofthechelatesarestronglyluminescent,andareappliedtofluoroimmunoassayfordeterminationofhumanimmunoglobulin(IgG),topreparationoffluorescentplastics,andtodeterminationofgrowthhormoneforplants.Twonovelspectroscopy-probetechniquesforstructureofcoordinationcompoundsandbiologicalmoleculeswereproposedanddevelopedbasedonvibronicspectroscopyofTb3+complexesandfluorescenceofCe3+.

简介：Allplantsemitawiderangeofvolatilecompounds,theso-calledbiogenicvolatileorganiccompounds(BVOC).BVOCemissionshavereceivedincreasedscientificattentioninthelasttwodecadesbecausetheymayprofoundlyinfluencethechemicalandphysicalpropertiesoftheatmosphere,andmaymodulateplanttolerancetoheat,pollutants,oxidativestressandabioticstresses,andaffectplant-plantandplant-insectinteractions.Urbanforestrymayhaveahighimpactonatmosphericcomposition,airquality,environment,andqualityoflifeinurbanareas.However,fewstudieshavebeencarriedoutwheretheemissionofBVOCcouldhaveimportantconsequenceforthequalityofairandcontributetopollutionepisodes.AscreeningofBVOCemissionbythemixedstandconstitutingurbanforestsisthereforerequiredifemissionsaretobereliablypredicted.Monitoringtheemissionratessimultaneouslywithmeasurementsofairquality,plantphysiologyandmicrometeorologyonselectedurbanforests,willallowdetailedquantitativeinformationontheinventoryofBVOCemissionsbyurbanvegetationtobecompiled.Thisinformationwillmakeitpossibletoproposeaninnovativemanagementofurbanvegetationincitiescharacterisedbyheavyemissionsofanthropogenicpollutants,aimingattheabatementofBVOCemissionsthroughtheintroductionorselectionofnon-BVOCemittingspeciesinurbanareassubjectedtopollutionepisodesandinthenewafforestationareascoveringperi-urbanparks,greenbeltsandgreencorridorsbetweenperi-urbanruralareasandtheconurbations.

简介：基于费用注射和再结合过程和thetriplet三位字节歼灭过程，计算电镀物品的一个模型光(EL)效率被介绍。注入系数，再结合效率和电镀物品上的应用电场的影响光效率被讨论。它被发现那：当再结合效率与应用电场正在减少增加时，注入系数正在增加的CD。(2)EL效率慢慢地在低电场被提高，但是随应用电压的增加在高电场正在减少。(3)EL效率随主人客人的增加正在减少分子的距离(R)。那么，这被结束在单个层的器官的电镀物品的ELefficiency发磷光的设备被注入系数在更高的电场在更低的电场和再结合效率统治。

简介：ＣＬＩＮＩＣＡＬＩＮＦＯＭＡＴＩＯＮＡＮＤＭＥＴＨＯＤＳＴｈｅ４２ｏｒｇａｎｉｃｐｈｏｓｐｈｏｒｕｓｐｏｉｓｏｎｅｄ，１６ｍａｌｅａｎｄ２６ｆｅｍａｌｅ，ａｇｅｄ１８～６１，ｈａｖｅａｎａｖｅｒａｇｅｏｆ３４．６ｙｅａｒｓ．Ｔｈｅｔｏｘｉｃａｎｔａｒ...

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