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Dissertations / Theses on the topic 'Labile carbon'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Kolodziej, Scott Michael. "Management effects on labile organic carbon pools." Texas A&M University, 2005. http://hdl.handle.net/1969.1/2424.

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It is well documented that increases in soil organic matter (SOM) improve soil physical properties and increase the overall fertility and sustainability of the soil. Research in SOM storage has recently amplified following the proposal that agricultural soils may provide a significant carbon (C) sink that may aid in the mitigation of increasing atmospheric carbon dioxide. Observed differences in lint yield and nitrogen response from a cotton performance study at the Texas A&M University Experimental Farm near College Station, TX prompted us to examine the effects of tillage and rotation on soi

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2

Zakharova, Anna. "Soil organic matter dynamics: influence of soil disturbance on labile pools." Thesis, University of Canterbury. School of Biological Sciences, 2014. http://hdl.handle.net/10092/9944.

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Soils are the largest pool of carbon (C) in terrestrial ecosystems and store 1500 Gt of C in their soil organic matter (SOM). SOM is a dynamic, complex and heterogeneous mixture, which influences soil quality through a wide range of soil properties. Labile SOM comprises a small fraction of total SOM (approximately 5%), but due to its rapid turnover has been suggested to be most vulnerable to loss following soil disturbance. This research was undertaken to examine the consequences of soil disturbance on labile SOM, its availability and protection in soils using the isotopic analysis of soil-res

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3

Lucas, Shawn Thomas. "Evaluation of labile soil carbon test for prediction of soil productivity response to organic matter management." College Park, Md. : University of Maryland, 2005. http://hdl.handle.net/1903/2175.

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Thesis (M.S.) -- University of Maryland, College Park, 2005.<br>Thesis research directed by: Dept. of Natural Resource Sciences and Landscape Architecture. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.

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4

SANTOS, Uemeson José dos. "Frações do carbono e indicadores biológicos em solo do semiárido sob diferentes usos e coberturas vegetais." Universidade Federal Rural de Pernambuco, 2016. http://www.tede2.ufrpe.br:8080/tede2/handle/tede2/6570.

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Submitted by Mario BC (mario@bc.ufrpe.br) on 2017-03-14T12:34:58Z No. of bitstreams: 1 Uemeson Jose dos Santos.pdf: 2015027 bytes, checksum: 66a434524c6011a6eb2fb5eeb1227e57 (MD5)<br>Made available in DSpace on 2017-03-14T12:34:58Z (GMT). No. of bitstreams: 1 Uemeson Jose dos Santos.pdf: 2015027 bytes, checksum: 66a434524c6011a6eb2fb5eeb1227e57 (MD5) Previous issue date: 2016-02-22<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPES<br>The land use in Caatinga has caused changes in their properties, as well as behavior and quality of organic matter. extractive character ch

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5

Read, Deborah J. "The role of labile dissolved organic carbon in influencing fluxes across the sediment-water interface : from marine systems to mine lakes." University of Western Australia. School of Environmental Systems Engineering, 2009. http://theses.library.uwa.edu.au/adt-WU2009.0144.

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Sediment diagenesis in aquatic systems is usually understood to be controlled by the concentrations of both organic carbon and the oxidant. However, the concept that sediment respiration may be limited by the supply of organic carbon, even in systems with moderate concentrations of organic carbon in the water column, has yet to be fully explored. Typically we assume that a direct coupling between water column and sediment diagenesis processes occurs and the chemical evolution of porewater and surface water are linked through fluxes of chemical species across the sediment-water interface. While

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6

Rombola', Alessandro Girolamo <1979&gt. "Biochar characterization for its environmental and agricultural utilization. Occurrence, distribution and fate of labile organic carbon and polycyclic aromatic hydrocarbons." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2015. http://amsdottorato.unibo.it/7034/.

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In this thesis the potential risks associated to the application of biochar in soil as well the stability of biochar were investigated. The study was focused on the potential risks arising from the occurrence of polycyclic aromatic hydrocarbons (PAHs) in biochar. An analytical method was developed for the determination of the 16 USEPA-PAHs in the original biochar and soil containing biochar. The method was successfully validated with a certified reference material for the soil matrix and compared with methods in use in other laboratories during a laboratory exercise within the EU-COST TD1107.

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7

Pes, Luciano Zucuni. "Emissões de dióxido de carbono durante a implantação de culturas em dois sistemas de preparo em latossolo vermelho do rio grande do sul." Universidade Federal de Santa Maria, 2011. http://repositorio.ufsm.br/handle/1/3330.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>In farming systems with annual crops, the crop establishment period is characterized by intense soil disturbance in conventional tillage (CT) or disturbance only in the sowing line, in case of no-tillage (NT). The soil tillage enhances the carbon dioxide (CO2) emissions whose should be investigated extensively during these short-term (scale days) that has implications in the carbon (C) dynamic in crop residues-soil-atmosphere system. This work was divided in two studies and they aimed quantify the role of main sources of soil C-CO2

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8

Feit, Sharon Jean. "Variability in Hydrology and Ecosystem Properties and Their Role in Regulating Soil Organic Matter Stability in Wetlands of West-Central Florida." Scholar Commons, 2012. http://scholarcommons.usf.edu/etd/4319.

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Soil organic matter (SOM) provides many ecosystem services that are necessary for continued ecosystem function. The accumulation of SOM in an ecosystem is a function of its persistence time which can range from days to thousands of years. Ecosystem properties including dominant vegetation type, soil texture, and soil moisture in various habitats can regulate the persistence time of SOM. Wetlands, because of their associated ecosystem properties, promote SOM accumulation, but little has been done to determine the ecosystem properties that regulate its persistence over time. In west-central Flor

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9

Carli, Roberto Simão de. "DINÂMICA DO NITROGÊNIO INFLUENCIADA PELA ADUBAÇÃO NITROGENADA E ADIÇÃO DE GESSO EM SISTEMA PLANTIO DIRETO DE LONGA DURAÇÃO." UNIVERSIDADE ESTADUAL DE PONTA GROSSA, 2016. http://tede2.uepg.br/jspui/handle/prefix/2295.

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Made available in DSpace on 2017-07-25T19:31:00Z (GMT). No. of bitstreams: 1 Roberto De Carli.pdf: 2079271 bytes, checksum: 6ef44a2405637e03f847a58547e5b604 (MD5) Previous issue date: 2016-06-29<br>Nitrogen is a nutrient with such a high contribution for agriculture, that various strategies are studied every year looking for enhancements of its use efficiency and reduction of its environmental impacts. This study hypothesis is that, the use of gypsum can change the soil’s nitrogen dynamic in the no-tillage system. So, the main objective of this study was to relate the dynamic of the labile c

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10

Meilander, Tracey Trzebuckowski. "The Role of Bacterioplankton in Lake Erie Ecosystem Processes: Phosphorus Dynamics and Bacterial Bioenergetics." [Kent, Ohio] : Kent State University, 2006. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=kent1163880480.

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Thesis (Ph.D.)--Kent State University, 2006.<br>Title from PDF t.p. (viewed Mar. 5, 2009). Advisor: Robert T Heath. Keywords: bacterioplankton, phosphorus dynamics, bacterial bioenergetics, labile dissolved organic carbon, bacterial productivity, bacterial respiration, bacterial growth efficiency, Lake Erie, hypoxia. Includes bibliographical references (p. 357-397).

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11

Tan, Kwan Chong. "Stimulating carbon efficient supply chains : carbon labels and voluntary public private partnerships." Thesis, Massachusetts Institute of Technology, 2009. http://hdl.handle.net/1721.1/52752.

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Thesis (S.M. in Technology and Policy)--Massachusetts Institute of Technology, Engineering Systems Division, Technology and Policy Program, 2009.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Includes bibliographical references (p. 151-163).<br>This thesis looks at the potential of labeling products with life cycle greenhouse gas emission information as a bottom-up, complementary alternative to carbon cap and trade systems. By improving the transparency of product carbon footprint informa

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Ferre, Karine. "Formation sélective de liaisons carbone-carbone assistée par les complexes du fer (II) à ligand(s) labile(s)." Rennes 1, 2002. http://www.theses.fr/2002REN10057.

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Cette thèse présente l'étude de la réactivité des complexes du fer (II) "tabouret de piano" possédant un ou plusieurs ligands labiles. Dans une première partie, nous avons synthétisé toute une gamme de complexes (allyloxy)carbène chélatés du fer, à partir de complexes carbéniques possédant un ligand labile. Ceux-ci donnent lieu à une réaction de couplage carbone-carbone régiosélective conduisant à des cétones insaturées. Nous avons également mis en évidence le clivage d'une liaison Ar-Cl, possible grâce à la complexation temporaire d'atome de chlore au fragment organométallique. Dans une deuxi

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VAZ, Elaine Cavalcanti Rodrigues. "Nanotubos de Carbono Funcionalizados como Dispositivos Nanoestruturados Conversores de Luz (DNCL)." Universidade Federal de Pernambuco, 2015. https://repositorio.ufpe.br/handle/123456789/17382.

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Submitted by Fabio Sobreira Campos da Costa (fabio.sobreira@ufpe.br) on 2016-07-14T15:54:21Z No. of bitstreams: 2 license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) Tese_Elaine_Vaz_ DQF__CCEN_2015.pdf: 12035761 bytes, checksum: 63b391a9f5f45c9855adfde7db09c6d9 (MD5)<br>Made available in DSpace on 2016-07-14T15:54:21Z (GMT). No. of bitstreams: 2 license_rdf: 1232 bytes, checksum: 66e71c371cc565284e70f40736c94386 (MD5) Tese_Elaine_Vaz_ DQF__CCEN_2015.pdf: 12035761 bytes, checksum: 63b391a9f5f45c9855adfde7db09c6d9 (MD5) Previous issue date: 2015-08-28<br>CNPq<br>Este trab

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14

Tamokoué, Kamga Paul-Hervé. "Essais sur l'économie de la performance énergétique des bâtiments dans le secteur résidentiel." Thesis, Paris Sciences et Lettres (ComUE), 2018. http://www.theses.fr/2018PSLEM052/document.

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Cette thèse de doctorat cherche à mieux comprendre certaines caractéristiques du marché de la performance énergétique des bâtiments dans le secteur résidentiel et à évaluer l'efficacité de trois interventions publiques visant à encourager la rénovation énergétique : Diagnostic de performance énergétique (DPE), crédit d'impôt pour le développement durable (CIDD) et taxation de l'énergie. Le premier chapitre de la thèse passe en revue la littérature sur la certification de la performance énergétique des bâtiments et conclut que les ménages la valorisent lorsqu'ils achètent ou louent un logement.

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15

NLATE, SYLVAIN. "SYNTHESE DE COMPLEXES FER-CARBENE A LIGAND LABILE OU HEMI-LABILE [(Fe(C₅Me₅)(L)(L')(=C(OMe)R]⁺ : vers une nouvelle voie d'acces aux composes organo-borane." Rennes 1, 1993. http://www.theses.fr/1993REN10140.

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Cette these presente la synthese de nouveaux complexes fer-carbene a ligand labile ou hemi-labile fe(c#5me#5)(l)(l)(=c(ome)r)#+ (r=me, c#6h#4-o-ome) en serie pentamethylcyclopentadienyle. La presence de un ou deux ligands labiles ou hemi-labiles coordines au metal permet de preparer toute une gamme de nouveaux complexes fer-carbene cationiques ou neutres, mono- ou disubstitues par des ligands autres que co. L'etude de la reactivite de ces complexes vis-a-vis de divers nucleophiles neutres et anioniques a revele l'existence de deux sites d'attaques differents: le metal et le carbone carbenique.

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16

Sardana, Malvika. "Development of New Late-Stage Labeling Methods with Labeled Carbon and Fluorine-18." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASF001.

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Le marquage isotopique est un outil précieux pour la découverte de nouveaux médicaments. Nous présentons dans cette thèse la conception et l’application de méthodes de marquage tardif de molécules bioactives avec du carbone et du fluor. Les réactions de carbonylation utilisant le monoxide de carbone sont connues pour être compatibles avec un marquage isotopique tardif des substances bioactives dans des conditions douces. La première partie de cette thèse décrit une réaction de photocarbonylation à partir d’iodures d’alkyles catalysée par le palladium sous lumière visible. Cette réaction polyva

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17

Girardin, Cyril. "Stabilisation du carbone végétal dans les sols : dynamique comparée de composantes labiles et structurales par approche isotopique 13C." Paris, AgroParisTech, 2009. http://www.theses.fr/2009AGPT0055.

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18

Gómez, Vallejo Vanessa. "Development of new strategies for the synthesis of radiotracers labeled with short-lived isotopes: application to 11C and 13N." Doctoral thesis, Universitat Ramon Llull, 2010. http://hdl.handle.net/10803/9301.

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S'ha desenvolupat una nova estratègia per la síntesi ràpida i eficient de L-[metil-11C]metionina basada en el captive solvent method. La reacció de L-homocisteína (dissolució bàsica en aigua/etanol 1:1) amb [11C]CH3I en un loop de HPLC va permetre la formació del radiotraçador desitjat amb elevat rendiment radioquímic (38.4 ± 4.1%) en un temps curt (< 12 min). Tots el paràmetres analítics compleixen les especificacions requerides per la versió actual de la Farmacopea Espanyola, tot i que els valors d'activitat específica obtinguts van ser relativament baixos. Degut a això, es van estudiar i qu

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19

Quattrocchio, Lina. "The synthesis of the internal disaccharide of asialo GM¦1 carbon-13 labeled at the anomeric and amide centres." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/mq22659.pdf.

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20

Walker, Joel R. "Part 1. Synthesis of n-15 labled (R)-deuterioglycine Part 2. Synthesis of carbon-linked analogs of retinoid glycoside conjugates." The Ohio State University, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=osu1060698580.

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21

Kirkpatrick, Sheryn. "Characterization of the binding properties of carbon-11-labeled candesartan derivatives as potential angiotensin II AT1 receptor radioligands for PET imagiing." Thesis, University of Ottawa (Canada), 2009. http://hdl.handle.net/10393/28347.

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The renin-angiotensin system (RAS) has been implicated in the pathophysiology of heart failure, hypertension and diabetic nephropathy. Positron emission tomography (PET), a non-invasive imaging modality, can provide information on cellular function and receptor density. Based on previous structure-activity studies, two 11C-labeled analogues of the clinically used AT 1 receptor antagonist candesartan were developed, [11C]-methyl-candesartan and [11C]TH4, and characterized for binding specificity and selectivity. [11C]Methyl-candesartan was further tested to determine the presence of labeled met

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22

Santos, Lúcio Murilo dos [UNESP]. "Estudo da viabilidade do tratamento de pacientes portadores de carcinoma epidermóide de lábio(T1nomo) por meio da radiação laser de dióxido de carbono (CO2)." Universidade Estadual Paulista (UNESP), 2002. http://hdl.handle.net/11449/114074.

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Made available in DSpace on 2015-01-26T13:21:31Z (GMT). No. of bitstreams: 0 Previous issue date: 2002-06-04Bitstream added on 2015-01-26T13:30:16Z : No. of bitstreams: 1 000214595.pdf: 1597799 bytes, checksum: 25a4c7187a6d25f37c5fbf9cb81088dc (MD5)<br>A ausência de uma política de prevenção adequada transforma as neoplasias da cavidade oral, que são facilmente detectáveis em seu estagio inicial, numa patologia quase sempre diagnosticada num estado evolutivo avançado. A exceção neste quadro é o carcinoma de lábio, que por características próprias são, em sua maioria, diagnosticados em estági

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23

Khosravi, Farhad. "Carbon nanotubes micro-arrays: characterization and application in biosensing of free proteins and label-free capture of breast cancer cells." Digital WPI, 2016. https://digitalcommons.wpi.edu/etd-dissertations/347.

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"Circulating tumor cells (CTCs) are cells released into the bloodstream from primary tumors and are suspected to be one of the main causes behind metastatic spreading of cancer. The ability to capture and analyze circulating tumor cells in clinical samples is of great interest in prevailing patient prognosis and clinical management of cancer. Carbon nanotubes, individual rolled-up graphene sheets, have emerged as exciting materials for probing the biomolecular interactions. With diameter of about 1 nm, they can attach themselves to cell surface receptors through specific antibodies and hold a

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24

Guenet, Bertrand. "Interactions entre les entrées de matières organiques fraîches et la minéralisation des matières organiques des sols." Paris 6, 2009. http://www.theses.fr/2009PA066445.

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Les activités anthropiques ont largement déréglé le cycle du carbone. Le sol est un des principaux pools de carbone de la planète. C’est dans ce contexte de cycle du C dans les sols que se pose cette thèse. Nous nous sommes ici intéressés aux interactions entre les entrées de matières organiques fraîches et la minéralisation des matières organiques du sol. En effet, la présence de matières organiques fraîches peut augmenter ou diminuer le taux de minéralisation des matières organiques du sol via un « priming effect ». Grâce à plusieurs expérimentations, nous avons préciser plusieurs éléments p

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25

Yokessa, Maïmouna. "Politiques environnementales et alimentation : que nous apprennent les préférences des consommateurs ?" Electronic Thesis or Diss., Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLA023.

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Cette thèse étudie les comportements des consommateurs vis-à-vis de l’environnement à travers des choix alimentaires, afin de déterminer des politiques les plus adaptées pour limiter l’impact du système alimentaire sur l’environnement. Elle est constituée de quatre articles qui étudient les valorisations monétaires des caractéristiques environnementales par les consommateurs, et les choix d’instruments de politique publique qui en résultent.Le premier chapitre, à l’aide d’une revue de la littérature, montre que la prolifération des écolabels et la complexité des informations environnementales

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26

Gil, Sánchez Alfonso. "Investigación in vivo de la transferencia placentaria de ácidos grasos marcados con carbono 13 en humanos." Doctoral thesis, Universidad de Murcia, 2011. http://hdl.handle.net/10803/37470.

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A supply of omega-3 long-chain polyunsaturated fatty acids (LC-PUFA) is essential for fetal development. Objective: We assessed placental transfer of 13C-labelled fatty acids (FA) 12 hours after oral application. Design: 11 pregnant women received 12h before elective caesarean section 0.5mg/kg 13C-palmitic acid (PA, 16:0), 13C-oleic acid (OA, 18:1n-9), 13C-linoleic acid (LA, 18:2n-6) and 0.1mg/kg 13C-docosahexaenoic acid (DHA, 22:6n-3) orally. Maternal blood samples, venous cord blood and placental tissue were collected and FA concentrations and their tracer content determined. Results: Most

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Doñate, Buendía Carlos. "Synthesis of nanomaterials by high throughput pulsed-laser based systems: Application in biomedicine and material processing." Doctoral thesis, Universitat Jaume I, 2019. http://hdl.handle.net/10803/668339.

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The work developed in this thesis is based on the study of systems for the generation of nanoparticles in liquids by means of pulsed lasers, improving their production and using the generated nanoparticles in applications of great technological relevance such as biomedical imaging or additive manufacturing. For the femtosecond laser production improvement, the novel implementation of a spatio temporal focusing system is proposed which, by varying the temporal pulse duration out-of-focus, suppresses nonlinear effects in the liquid medium and the associated energy losses. For the colloidal size

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Farias, Manuel de Jesus Santiago. "Eletrooxidações de acetaldeído comum e etanol isotopicamente marcado (H3 13C-12CH2OH) em superfície de platina policristalina acompanhadas por FTIRS in situ." Universidade Federal do Maranhão, 2006. http://tedebc.ufma.br:8080/jspui/handle/tede/1561.

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Submitted by Rosivalda Pereira (mrs.pereira@ufma.br) on 2017-06-02T18:48:59Z No. of bitstreams: 1 ManuelFarias.pdf: 1389622 bytes, checksum: 6e4849f2b44871723791cde342c7bf04 (MD5)<br>Made available in DSpace on 2017-06-02T18:48:59Z (GMT). No. of bitstreams: 1 ManuelFarias.pdf: 1389622 bytes, checksum: 6e4849f2b44871723791cde342c7bf04 (MD5) Previous issue date: 2006-06-19<br>Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)<br>This is work treat of the acetaldehyde and labeled ethanol oxidations, both kinds in percloric acidic medium, 0,1 Mol L-1 HClO4 on the Pt polycrys

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Hojerová, Eliška. "Biopotraviny a jejich postavení na českém trhu." Master's thesis, Vysoká škola ekonomická v Praze, 2011. http://www.nusl.cz/ntk/nusl-124797.

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The thesis defines a concept of organic food and a closer look is given to an organic agriculture - a place of origin for organic food. The second part discusses benefits of organic food for consumers and looks for consumer purchase motives. Third and fourth part is devoted to rules of labeling and opportunities for improvement in this area. Other consumer brands and a current state on organic food market are presented here as well. Variety of products offered and availability of organic food at the particular points of sale are analyzed in the final part.

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Tiwari, Purushottam Babu. "Multimode Analysis of Nanoscale Biomolecular Interactions." FIU Digital Commons, 2015. http://digitalcommons.fiu.edu/etd/1923.

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Biomolecular interactions, including protein-protein, protein-DNA, and protein-ligand interactions, are of special importance in all biological systems. These interactions may occer during the loading of biomolecules to interfaces, the translocation of biomolecules through transmembrane protein pores, and the movement of biomolecules in a crowded intracellular environment. The molecular interaction of a protein with its binding partners is crucial in fundamental biological processes such as electron transfer, intracellular signal transmission and regulation, neuroprotective mechanisms, and reg

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von, Rein Isabell. "Plant and soil microbial responses to drought stress in different ecosystems: the importance of maintaining the continuum." Doctoral thesis, Humboldt-Universität zu Berlin, 2017. http://dx.doi.org/10.18452/18064.

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Der Klimawandel bedroht Ökosysteme auf der ganzen Welt. Besonders der Anstieg in Länge, Intensität und Häufigkeit von Dürren kann bedeutenden Einfluss auf den globalen Kohlenstoffkreislauf haben. Die Frage, ob Pflanzen und Mikroorganismen anfällig gegenüber ökologischem Stress wie Dürren sind, wurde bereits in vielen Studien für verschiedene Ökosysteme und mit verschiedenen Ansätzen untersucht, aber Analysen von Dürreauswirkungen, die ober- und unterirdische Interaktionen von Pflanzen und Mikroorganismen mit einbeziehen, sind eher selten. Deshalb wird in der vorliegenden Studie die Frage erört

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Petersson, Frida. "Sustainable investments : Transparency regulation as a tool to influence investors to choose sustainable investment funds." Thesis, Linköpings universitet, Filosofiska fakulteten, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-156659.

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In March 2018 the European Commission published the Action Plan on Financing Sustainable Growth. One of the main objectives with the actions presented in the action plan is to reorient capital flows towards sustainable investments, i.e. to influence more investors to invest sustainably. The action plan was followed by three proposals for transparency regulation regarding an EU taxonomy on sustainability, sustainability benchmarks and sustainability disclosures. Furthermore, the action plan included actions regarding two other transparency measures – sustainability labels and sustainability rat

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Wilcox, Heidi S. "Effects of a labile carbon addition on a North Carolina headwater stream food web." 2003. http://purl.galileo.usg.edu/uga%5Fetd/wilcox%5Fheidi%5Fs%5F200305%5Fms.

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Vuong, Truong Xuan. "Highly resolved thermal analysis as a tool for simultaneous quantification of total carbon, organic carbon, inorganic carbon and soil organic carbon fractions in landscapes." Thesis, 2015. http://hdl.handle.net/11858/00-1735-0000-0022-5DD0-1.

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Stephens, Mark P. "A study of several aspects of the marine carbon cycle 1) sea-air flux of CO₂ in the North Pacific using shipboard and satellite data, 2) chloropigments and labile organic carbon at the equatorial Pacific seafloor, and 3) late Holocene CaCO₃ dissolution from the equatorial Pacific seafloor /." 1996. http://catalog.hathitrust.org/api/volumes/oclc/37356727.html.

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KOBESOVÁ, Martina. "Stav půdního organického uhlíku vybraných stanovišť rekultivovaných ploch Velké podkrušnohorské výsypky." Master's thesis, 2013. http://www.nusl.cz/ntk/nusl-154363.

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The main aim of this thesis was to assess the status of soil organic carbon in newly shaped soils called Velká podkrušnohorská dump in the Sokolov district and evaluate the information in relation to the physic-chemical properties of soils. Another objective was to determine the relationship between the stable and labile fractions of soil organic carbon. The amount of soil carbon (stable fraction) was measured in the solid soil samples and there was the analysis of basic physic-chemical parameters of the soil performed. The highest concentration of soil carbon was measured in the stand alders

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BOROVKA, Jan. "Stav půdního organického uhlíku a změny půdní organické hmoty na Novohradsku." Master's thesis, 2018. http://www.nusl.cz/ntk/nusl-376086.

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The aim of the diploma thesis was to evaluate the content of soil organic carbon in the area of Novohradsko. Soil organic carbon was monitored in its stable (SOC) and labile (WSOC) form, followed by the total organic carbon stock (Cpool). These soil parameters were determined in soils of different land cover types (forest, arable land, grassland) in the area formed by the catchments of Pasecký, Bedřichovský, Váčkový and Veverský stream. Data obtained in 2001, 2007 and 2014 were statistically analysed and the comparison of the data from different catchments was conducted. The results show the

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McMahon, Shawna K. "Linking soluble C to microbial community composition and dynamics during decomposition of ��C-labeled ryegrass." Thesis, 2004. http://hdl.handle.net/1957/31607.

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Ryegrass residue consists of three main C fractions: readily available soluble C, intermediately available cellulose and hemicellulose, and slowly available lignin. Changes in chemical composition during decomposition influence rate of degradation as well as composition of the microbial community involved. Use of ��C-labeled plant material coupled with analysis of phospholipid fatty acids (PLEA) by isotope ratio mass spectrometry results in a powerful tool for linking microbial community structure and C cycling processes during decomposition. The objective was to investigate the role of solu

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Paradis, Mélanie. "Méta-analyse sur l'oxydation du glucose exogène et sa contribution à la fourniture d'énergie au cours de l'exercice prolongé." Thèse, 2016. http://hdl.handle.net/1866/16393.

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L’utilisation du glucose exogène est un déterminant de la performance sportive, particulièrement lors d’épreuves de plus d’une heure. Les caractéristiques des sujets, les conditions d’exercice et d’ingestion du glucose sont tous des facteurs pouvant affecter l’oxydation de glucose exogène (OGE). De plus, la co-ingestion d’autres substrats et l’environnement dans lequel l’activité est pratiquée peuvent également avoir un impact sur l’OGE et sa contribution à la fourniture d’énergie. Il est souvent difficile, voire impossible, de comparer les résultats des études qui ont examiné l

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