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Дисертації з теми "Nitrogen and sulfur nutrition"

Автор: Grafiati

Опубліковано: 25 січня 2025

Оновлено: 31 липня 2025

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1

Fismes-Bemer, Joëlle. "Effet de la fertilisation azotée et soufrée et d'un inhibiteur de nitrification (ATS) sur la nutrition azotée et soufrée du colza." Vandoeuvre-les-Nancy, INPL, 1998. http://www.theses.fr/1998INPL062N.

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Le colza est une plante exigeante en azote pour son développement et la production de graines. C’est en outre une plante particulièrement sensible aux carences en soufre car elle utilise le soufre dans de nombreuses réactions métaboliques mais aussi pour la synthèse d'acides aminés soufrés. Cependant, la fertilisation azotée et soufrée du colza doit être raisonnée afin d'augmenter productivité et qualité tout en limitant les pertes d'éléments fertilisants qui occasionnent surcoût et pollution. Le sol argilo-calcaire de lorraine étudié est riche en azote et en soufre totaux, principalement immo

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2

Uddin, Md Miar. "The impact of maleic hydrazide, nitrogen and sulphur nutrition on the postharvest quality of onion (Allium cepa L.) during storage." Thesis, Imperial College London, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.408023.

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3

Bonnot, Titouan. "Réponse du grain de blé à la nutrition azotée et soufrée : étude intégrative des mécanismes moléculaires mis en jeu au cours du développement du grain par des analyses -omiques." Thesis, Clermont-Ferrand 2, 2016. http://www.theses.fr/2016CLF22767/document.

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L’augmentation des rendements est un enjeu majeur chez les céréales. Dans cet objectif, il est nécessaire de maintenir la qualité du grain de blé, qui est principalement déterminée par sa teneur et sa composition en protéines de réserve. En effet, une forte relation négative existe entre le rendement et la teneur en protéines. Par ailleurs, la qualité du grain est fortement influencée par la disponibilité en azote et en soufre dans le sol. La limitation des apports d’intrants azotés à la culture et la carence en soufre récemment observée dans les sols représentent ainsi des difficultés supplém

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4

Daraja, Yusuf B. "The effects of intercropping, nitrogen and sulphur nutrition on the performance of wheat (Triticum aestivum) and Faba Bean (Vicia faba) in different production systems." Thesis, University of Reading, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.515808.

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5

Coquerel, Raphael. "Etude d'un appοrt en silicium sur le métabοlisme azοté et les perfοrmances agrοnοmiques du cοlza (Brasscia napus L.) et du trèfle (Τrifοllium incarnatum L.) cultivés en mοnοculture et en assοciatiοn". Electronic Thesis or Diss., Normandie, 2024. http://www.theses.fr/2024NORMC246.

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Chaque année, plus de 3,7 millions de tonnes d'engrais azotés sont utilisées par l'agriculture française. Bien qu'étant un élément essentiel au bon développement et à la bonne croissance des plantes, la fertilisation azotée est de plus en plus décriée en raison des nombreuses nuisances aux écosystèmes et à la biodiversité qu'il induit. Le colza (Brassica napus L.) est l'une des plantes de grandes cultures les plus exigeantes en azote (N), en raison de sa faible efficience d'usage de cet élément. Dans le but de maintenir une croissance et des rendements optimaux de la culture de colza tout en l

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6

Oliveira, Robinson Jardel Pires de. "Adubação para a cultura da beterraba (Beta vulgaris L.) na região do Alto Vale do Itajaí." Universidade do Estado de Santa Catarina, 2015. http://tede.udesc.br/handle/handle/602.

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Made available in DSpace on 2016-12-08T15:50:05Z (GMT). No. of bitstreams: 1 PGCS15DA027.pdf: 855903 bytes, checksum: c74fe93131876759ed132420b820e754 (MD5) Previous issue date: 2015-03-13<br>The recommendation of fertilizer for beet cultivation in Santa Catarina still lacks adjustments and, therefore, this study was conducted to evaluate the crop response to fertilization with nitrogen (N), phosphorus (P), potassium (K), sulfur (S), boron (B), zinc (Zn) and molybdenum (Mo). Three experiments were conducted on the field and one at greenhouse in the IFC, Rio do Sul (SC), using a Cambisol. In

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7

Matuska, Vit. "Five-membered sulfur-nitrogen ring compounds." Thesis, St Andrews, 2009. http://hdl.handle.net/10023/828.

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8

Allertz, Carl. "Sulfur and nitrogen in ladle slag." Doctoral thesis, KTH, Mikro-modellering, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-182981.

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The present work deals with some aspects of slags related to secondary metallurgy in the steelmaking process. More specifically the focus is given to sulfur and nitrogen in ladle slags. Even though slags have been fairly well-researched in the past, the available data for these elements in typical ladle slag compositions is rather scarce. In some cases the available data is in discordance. There are also inconsistencies between the literature data and what is commonly observed in the industrial processes. Sulfide capacities were measured at steelmaking temperatures, 1823–1873 K, in ladle slags

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9

Preuss, Kathryn Elvia. "Sulfur nitrogen heterocycles as charge transfer materials." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape3/PQDD_0018/NQ53510.pdf.

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10

Cigelske, Benjamin. "Soybean Response to Nitrogen and Sulfur Fertilization." Thesis, North Dakota State University, 2017. https://hdl.handle.net/10365/28249.

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Soybean [Glycine max (L.) Merrill.] yields in North Dakota have not yet reached their genetic potential. Applying fertilizers may increase yields. This study was conducted to understand the impact of nitrogen (N) and sulfur (S) fertilization on soybean plant density, vigor, greenness, height, yield, test weight, protein and oil content, nodulation, vegetation, and root growth. Two varieties were planted in experiments across ten environments during 2015-2016. Yield differed between environments (up to 77%). Varieties responded differently to N and S fertilizer. Nitrogen (56 kg N ha-1) in the f

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11

James, Daniel Stuart. "Novel nitrogen-sulfur chelate ligands for asymmetric catalysis." Thesis, University of Sheffield, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287727.

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12

Hargreaves, Stephen. "Novel supramolecular assemblies based on sulfur-nitrogen radicals." Thesis, Sheffield Hallam University, 2000. http://shura.shu.ac.uk/19755/.

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This thesis describes the synthesis of a range of novel dithiadiazolyl radicals. The structures of these compounds are discussed. The physical properties of several compounds have been investigated using EPR spectroscopy and magnetic susceptibility studies. Chapter one begins with an overview of the chemistry of 1,2,3,5-dithiadiazolyl radicals. A general discussion of the history of organic conductors and magnets, and the terms involved in some of the techniques used is given in order to provide a background to the work presented. The second chapter outlines the synthesis and general character

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13

Zhao, Shan. "Nitrogen nutrition of hybrid poplars." Online access for everyone, 2006. http://www.dissertations.wsu.edu/Thesis/summer2006/S%5FZhao%5F072906.pdf.

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14

Wilkinson, Nikki. "Nitrogen nutrition in marine Synechococcus." Thesis, University of Reading, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.494972.

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Marine Synechococcus spp. are ubiquitous in the marine environment and are known to contribute significantly to primary production. The ecological success of these organisms may be due to the evolution of various genetic lineages physiologically adapted to specific ocean niches. This study focused on one specific physiological attribute, the utilisation and genetic regulation of nitrogen (N) nutrition. Growth data showed no discernable difference in N source utilisation capabilities between marine Synechococcus lineages, but rather a broad utilisation of a range of N sources including ammonium

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15

Sun, Chaode. "Syntheses and reactivities of [pi]-electron rich phosphorus-nitrogen and sulfur-nitrogen ligands." HKBU Institutional Repository, 1999. http://repository.hkbu.edu.hk/etd_ra/140.

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16

Bona, Fabiano Daniel De. "Nitrogênio e enxofre para gramínea forrageira: atributos do solo e aspectos metabólicos, nutricionais e produtivos da planta." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/11/11140/tde-10032009-091221/.

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A disponibilidade dos nutrientes nitrogênio e enxofre no solo pode alterar o desenvolvimento das plantas com reflexos diretos na produção vegetal. Objetivou-se: a) estudar doses de nitrogênio e doses de enxofre na produção da Brachiaria brizantha cv. Marandu (capim-Marandu) em implantação em solo de pastagem com Brachiaria decumbens (capim-Braquiária) em degradação, e avaliar as alterações nas concentrações desses elementos no tecido vegetal e no solo promovidas por essa adubação; b) avaliar a eficiência do uso da água pelo capim-Marandu em estabelecimento adubado com nitrogênio e enxofre; c)

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17

Pask, Christopher Martin. "Magneto-structural correlations of some novel sulfur-nitrogen radicals." Thesis, University of Cambridge, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.619955.

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18

Shi, Heng. "Supercritical Fluid Chromatography with Chemiluminescent Nitrogen and Sulfur Detection." Diss., Virginia Tech, 1997. http://hdl.handle.net/10919/30546.

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The need for sensitive and selective detectors in supercritical fluid chromatography (SFC) is particularly evident since SFC can be used to analyze classes of compounds that are not readily amenable to either gas chromatography (GC) or liquid chromatography (LC). These compounds include species that are nonvolatile or thermally labile and , in addition, contain no chromophore that can be used for spectrophoto detection. The objective of this research is therefore to interface selective chemilumninescent detectors with SFC in the sensitive detection of nitrogen- and/or sulfur containing compo

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19

Deshpande, S. R. "Synthetic studies in bioactive nitrogen, oxygen and sulfur heterocycles." Thesis(Ph.D.), CSIR-National Chemical Laboratory, Pune, 1991. http://dspace.ncl.res.in:8080/xmlui/handle/20.500.12252/2997.

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20

Prosser, Wendy Anne. "Nitrogen nutrition in an aphid symbiosis." Thesis, University of Oxford, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316852.

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21

Meakins, Tracey Suzanne. "The influence of dietary nitrogen intake on urea-nitrogen salvage in the colon." Thesis, University of Southampton, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243079.

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22

Jacobsson, Michael B. "Synthesis of new multidentate ligands containing nitrogen, oxygen and sulfur." Ann Arbor, Mich. : ProQuest, 2007. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&res_dat=xri:pqdiss&rft_dat=xri:pqdiss:1440170.

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Thesis (M.S. in Chemistry)--S.M.U., 2007.<br>Title from PDF title page (viewed Mar. 18, 2008). Source: Masters Abstracts International, Volume: 45-02, page: 0867. Adviser: David Y. Son. Includes bibliographical references.

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23

Yuen, Yue Tai. "Trithiazyl trichloride in the synthesis of sulfur-nitrogen heterocyclic compounds." Thesis, Imperial College London, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362732.

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24

Spencer, Douglas J. E. "Synthetic models for metalloenzymes containing sulfur, nitrogen and oxygen donors." Thesis, University of Nottingham, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.312054.

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25

Kearns, Peter. "The synthesis of highly functionalised chiral nitrogen and sulfur heterocycles." Thesis, University of Liverpool, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.415654.

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26

Stotereau, Peter James. "Complexation of transition metal ions with sulfur-nitrogen donor ligands." Thesis, University of Cambridge, 1988. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.292922.

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27

Alberola-Catalan, Antonio. "Synthesis and physical studies on some novel sulfur-nitrogen radicals." Thesis, University of Cambridge, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.616073.

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28

Mann, S. E. "New reactions of cyclic oxygen, nitrogen and sulfur acetal derivatives." Thesis, University College London (University of London), 2011. http://discovery.ucl.ac.uk/1317775/.

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This thesis describes the development of new reactions of cyclic oxygen, nitrogen and sulfur acetal derivatives and their applications in a diverse range of synthetic organic and organometallic chemistry. Detailed herein are advances in three main areas of acetal chemistry, namely: studies towards a new methodology for the synthesis of medium ring heterocycles; the use of thioacetals as directing groups for the palladium-mediated oxidation of olefins; and multi-component reactions for the synthesis of drug-like heterocyclic compounds. A brief overview of the chemistry of cyclic acetal derivati

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29

Thompson, Kristopher Michael. "Kinetic Investigation of the Gas Phase Atomic Sulfur and Nitrogen Dioxide Reaction." Thesis, University of North Texas, 2011. https://digital.library.unt.edu/ark:/67531/metadc68055/.

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The kinetics of the reaction of atomic sulfur and nitrogen dioxide have been investigated over the temperature range 298 to 650 K and pressures from 14 - 405 mbar using the laser flash photolysis - resonance fluorescence technique. The overall bimolecular rate expression k (T) = (1.88 ± 0.49) x10-11 exp-(4.14 ± 0.10 kJ mol-1)/RT cm3 molecule-1 s-1 is derived. Ab initio calculations were performed at the CCSD(T)/CBS level of theory and a potential energy surface has been derived. RRKM theory calculations were performed on the system. It is found that an initially formed SNO2 is vibrationally ex

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30

Chen, Xiaoping. "Synthesis, structure and catalytic property of transition metal complexes with phosphorus-nitrogen and sulfur-nitrogen ligands." HKBU Institutional Repository, 2002. http://repository.hkbu.edu.hk/etd_ra/361.

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31

CAVALLARO, VIVIANA. "SULFUR NUTRITION AND PARTITIONING IN RICE UNDER DIFFERENT STRESS CONDITIONS." Doctoral thesis, Università degli Studi di Milano, 2021. http://hdl.handle.net/2434/881847.

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Sulfur (S) is an essential macronutrient required by plants for their correct development. This element is fundamental for the biosynthesis of different compounds, such as the two amino acids, cysteine (Cys) and methionine (Met), vitamins (biotin and thiamine), peptides involved in the response to abiotic stresses (glutathione - GSH, and phytochelatines - PCs), lipids and co-factors. Sulfate (SO42-) is the main S form taken up from soil by root system and then assimilated inside the cells during the sulfur reductive pathway. The uptake and the systemic movements of this anion are accomplished

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32

Asih, A. Rai Somaning. "Nitrogen utilization and production of dairy goats fed different nitrogen sources /." St. Lucia, Qld, 2001. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16142.pdf.

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33

Witek, Rachel M. "Studies in synthetic methodology routes to sulfur- and nitrogen-containing compounds /." [Gainesville, Fla.] : University of Florida, 2005. http://purl.fcla.edu/fcla/etd/UFE0011359.

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34

Cunningham, Beth. "Density functional studies of sulfur-nitrogen and period 2 fluoride molecules." Thesis, University of Hull, 2005. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.421982.

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35

Longridge, John Jethro. "A mechanistic investigation of synthetic routes to novel sulfur-nitrogen chains." Thesis, University of Cambridge, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.624952.

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36

Burke-Scoll, Medora J. "Nitrogen and sulfur input and accumulation in continental ombrotrophic peatland ecosystems in Alberta, Canada." Click here for download, 2008. http://proquest.umi.com/pqdweb?did=1588775581&sid=1&Fmt=2&clientId=3260&RQT=309&VName=PQD.

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37

Jewmaidang, Jirasak. "Homogeneous sulfur tri-oxide formation in gas reburning for nitrogen oxides control." Ohio : Ohio University, 1999. http://www.ohiolink.edu/etd/view.cgi?ohiou1175801641.

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38

Grabarczyk, Daniel Ben. "Molecular characterisation of bacterial proteins that interact with sulfur or nitrogen compounds." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:b6b3e3fd-620f-467d-b063-01311fa7a9a2.

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Many bacteria use inorganic nitrogen and sulfur compounds for energy metabolism. These compounds are often toxic and so bacteria must adapt to survive their deleterious effects. Bacteria use specific proteins in order to metabolise, sense and detoxify these compounds. In this thesis protein interactions with inorganic nitrogen and sulfur compounds are examined at the mechanistic level. Intermediates in the Sox sulfur oxidation pathway are covalently attached to a cysteine on the swinging arm of the substrate carrier protein SoxYZ. An interaction between the Sox pathway enzyme SoxB and the carr

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39

Munro, Andrew P. "S-nitrosothiols : novel decomposition pathways including reactions with sulfur and nitrogen nucleophiles." Thesis, Durham University, 1999. http://etheses.dur.ac.uk/4605/.

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Spectrophotometric (including stopped-flow) techniques were used to examine the kinetics of NO-group transfer reactions (transnitrosation) between S-nitrosothiols (RSNO) and a wide range of sulfur/nitrogen nucleophiles in aqueous solution. A metal-ion chelator was added in all experiments to prevent RSNO decay and NO liberation catalysed by copper ions. In most cases reaction was envisaged as rate- determining attack of the nucleophile at the nitrogen atom of the -SNO moiety, and hence S-nitrosothiols essentially acted as electrophilic nitrosating agents. Sulfite, thiosulfate, thiourea, thiocy

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40

Berlanga, Jesus Alejandro. "Kinetic Modeling of the Atmospheric Photooxidation of Reduced Sulfur and Nitrogen Compounds." TopSCHOLAR®, 2018. https://digitalcommons.wku.edu/theses/2686.

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Atmospheric aerosols encapsulate a wide variety of particles with different compositions, sizes and sources of origin. They also directly and indirectly affect climate by their interactions with sunlight, clouds, atmospheric chemical species, and even other suspended particles. To understand the atmospheric aerosol processes and the effects they have in global and regional climate is of utmost importance for the future establishment of environmental regulations and emission policies that affect aerosol precursor compounds in an effective and beneficial manner. In particular, aerosols are known

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41

Harney, Dennis James. "The Physiological and Developmental Effects of Sulfur Nutrition and Light Intensity on Sulfur Deficiency Symptoms in Phaseolus Vulgaris." Oxford, Ohio : Miami University, 2003. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=miami1050520818.

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42

Seeyave, Sophie. "Nitrogen nutrition of harmful algal blooms in upwelling systems." Thesis, University of Southampton, 2009. https://eprints.soton.ac.uk/145737/.

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Blooms of toxic, or otherwise harmful phytoplankton species are known to occur in eastern boundary upwelling systems, coincident with the relaxation of upwelling in late summer/autumn. Field studies were carried out in 3 consecutive summers (March/April 06-08) in the Benguela and in the autumn (Sept 06) and summer (June 07) in the Iberian upwelling system (Ría de Vigo), with the aim of identifying common nitrogen nutrition strategies of HAB species that may allow them to succeed in upwelling systems. Two summer field studies were also carried out in the Fal Estuary (UK) to identify possible di

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43

Lok, Eng Hai. "Nutrition and nitrogen-fixation in Malaysian Pterocarpus Indicus willd." Thesis, Lok, Eng Hai (2011) Nutrition and nitrogen-fixation in Malaysian Pterocarpus Indicus willd. PhD thesis, Murdoch University, 2011. https://researchrepository.murdoch.edu.au/id/eprint/5831/.

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Pterocarpus indicus is a promising tropical woody legume for the establishment of forest plantations in Malaysia. Woody legumes that form symbiotic relationships with nitrogen-fixing bacteria also play an important role for forest restoration on degraded land. Although P. indicus has been widely planted as an amenity tree in SE Asia, its silvicultural requirements have not been determined. There are no recommendations for fertilizer or for inoculation with nitrogen-fixing bacteria. This thesis explores the phosphorus (P) and nitrogen (N) requirements of seedlings and identifies a range of nitr

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44

Harding, Michael. "New concepts in asymmetric catalysis." Thesis, University of Sheffield, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.284768.

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45

Okbinoğlu, Tülin Nesime. "Electronic structure of sulfur-nitrogen containing compounds : correlations with theory and chemical reactivity." Thesis, University of British Columbia, 2014. http://hdl.handle.net/2429/50408.

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Molecules containing sulfur-nitrogen bonds, such as sulfonamides, have long been of interest due to their many uses and chemical properties, including the potential release of nitric oxide and nitroxyl. Understanding the factors that cause sulfonamide reactivity is crucial, yet their inherent electronic complex- ity have made them difficult to examine. In this thesis, sulfur K-edge x-ray absorption spectroscopy (XAS) is used in conjunction with density functional theory (DFT) to determine the role of electronic transmission effects through the sulfur-nitrogen bond. A systematic deconstruction

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46

Huang, Wei Ze. "Dynamics of carbon, nitrogen, phosphorus and sulfur in a boreal aspen forest soil." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1996. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq23991.pdf.

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47

Epp, Karen Margaret. "The chemistry of cyclopentadienyliron complexes of arenes with sulfur, oxygen and nitrogen bridges." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape7/PQDD_0004/NQ41607.pdf.

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48

Porter, Matthew Kirk. "Regional modeling of nitrogen, sulfur, and mercury atmospheric deposition in the Pacific Northwest." Online access for everyone, 2007. http://www.dissertations.wsu.edu/Thesis/Fall2007/M_Porter_082407.pdf.

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49

Wolff, Joel Alan 1965. "Synthesis and study of technetium(v) complexes of tetradentate nitrogen-, sulfur-donor ligands." Thesis, Massachusetts Institute of Technology, 1991. http://hdl.handle.net/1721.1/13102.

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50

Ali, Abul Basar. "The incorporation of sulfur, oxygen and nitrogen containing organic molecules into triosmium clusters." Thesis, University College London (University of London), 2006. http://discovery.ucl.ac.uk/1445285/.

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Анотація:

This thesis describes the oxidative addition reactions of sulfur, oxygen and nitrogen containing organic molecules into triosmium clusters. The products were formed by C-H, O-H, N-H and S-S bond cleavage. The direct reaction of dibenzyl disulfide, di(2-thienyl)disulfide and di-tertiary-butyl disulfide with cluster Os3(MeCN)2(CO)io yielded their respective unsymmetrical thiolato derivatives: Os3(u-SCH2Ph)2(CO)io , Os3(p-StBu)2(CO)i0 and Os3(u- SC4H3S2)2(CO)io in high yields with the cleavage of the S-S bond. Only dibenzyl disulfide gave a second cluster Os3(u-H)(S2CH2Ph)(CO)io , which retained

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