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Dissertations / Theses on the topic 'Mixed phosphors'

Author: Grafiati

Published: 5 June 2025

Last updated: 15 July 2025

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1

Johns, Josiah A. "Assessing Phosphorus Sources with a GIS-Based Phosphorus Risk Index in a Mixed-Use, Montane Watershed." BYU ScholarsArchive, 2017. https://scholarsarchive.byu.edu/etd/6559.

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Elevated phosphorus (P) loading of freshwater lakes and reservoirs often results in poor water quality and negative ecological effects. Critical source areas (CSA) of P in the watershed can be difficult to identify and control. A useful concept for identification of a CSA is the P risk index (P Index) that evaluates the P risk associated with distinct source and transport pathways. The objectives of this study were to create a GIS model that adapts the Minnesota (MN) P Index for use at the watershed scale in a mixed-use, mountain environment, and to evaluate its effectiveness relative to field

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2

Rahman, Mohammed Shoponur. "Chemistry of mixed donor phosphorus-nitrogen ligands : towards asymmetric catalysis." Thesis, King's College London (University of London), 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.271393.

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3

Ohm, Magdalena [Verfasser]. "Role of grassland in phosphorus-flows in mixed organic farms / Magdalena Ohm." Kassel : Universitätsbibliothek Kassel, 2017. http://d-nb.info/1155327500/34.

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4

Lamire, Mohammed. "Adaptation de groupements tetraedriques xo4 aux edifices octaedriques : etude structurale des deformations de la charpente et des possibilites d'insertion cationique." Caen, 1987. http://www.theses.fr/1987CAEN2035.

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Plusieurs types structuraux ont servi de base aux investigations. Dans chaque cas, un compose nouveau a ete synthetise et sa structure etablie par diffraction rx : pwo::(5), bronze monophosphate a tunnels pentagonaux; na::(x)p::(4)w::(14)o::(50), bronze monophosphate a tunnels hexagonaux; ba::(2)p::(8)w::(32)o::(112), bronze diphosphate a tunnels hexagonaux; rb::(x)p::(8)w::(8)o::(40), bronze diphosphate a tunnels octagonaux et deux formes de mo::(4)p::(6)si::(2)o::(25), silicophosphate. La description des coordinences, les calculs de potentiels de sites et l'ecoulement de ces proprietes au se

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5

Donath, Maximillian, Felix Hennersdorf, and Jan J. Weigand. "Recent highlights in mixed-coordinate oligophosphorus chemistry." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2017. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-216365.

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This review aims to highlight and comprehensively summarize recent developments in the field of mixed-coordinate phosphorus chemistry. Particular attention is focused on the synthetic approaches to compounds containing at least two directly bonded phosphorus atoms in different coordination environments and their unexpected properties that are derived from spectroscopic and crystallographic data. Novel substance classes are discussed in order to supplement previous reviews about mixed-coordinate phosphorus compounds.

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6

Johnson, Gary Anthony. "The design and synthesis of mixed phosphorus/N-heterocyclic donor ligands based on the ferrocenyl unit." Thesis, University of Birmingham, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.393784.

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7

Pearce, Austin Willis. "Assessing Phosphorus Sources with Synoptic Sampling in the Surface Waters of a Mixed-Use, Montane Watershed." BYU ScholarsArchive, 2017. https://scholarsarchive.byu.edu/etd/6374.

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Few elements in surface waters are monitored as closely as phosphorus (P) due to its role in the eutrophication and degradation of surface waters. Limiting P mobilization from source areas is, therefore, a central goal of water quality protection plans. But the work of locating sources in mixed-use watersheds is challenged by the spatial and temporal variability of critical source areas (CSAs) of P. Synoptic sampling is a proven method for capturing the spatial variation of water quality parameters in surface waters, though it's not often used to track temporal dynamics across the same study a

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8

Irvine, Derek John. "The co-ordination and rearrangement of phosphorous mixed antihydrides of diphenylphosphinous and acrylic acids." Thesis, University of St Andrews, 1990. http://hdl.handle.net/10023/14937.

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The reactions of acrylic and vinylacetic acids with Ph2PCl and Et3N give Ph2PO2CCH=CH2 (AAA) and Ph2PO2CCH2CH=CH2 (VAA) respectively. Both are found to undergo a facile rearrangment to give Ph2PP(O)Ph2 and AAA is also found to react with PPh3 to give Ph3P+-CH2CH2CO2-. Their reaction (1 mole ligand to 1 mole Rh) with [(RhCl(1,5 COD))2], gives complexes of the form [(RhCl(L)2], where L is AAA or VAA, in which the mixed anhydride ligands are bound via the phosphorus atom and the double bond. With AAA in a 1:2 mole reaction with [(RhCl(1,5 COD))2] or a 1:1 mole reaction with [(RhCl(C2H4)2)2l, the

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9

Donath, Maximillian, Felix Hennersdorf, and Jan J. Weigand. "Recent highlights in mixed-coordinate oligophosphorus chemistry." Royal Society of Chemistry, 2016. https://tud.qucosa.de/id/qucosa%3A30076.

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This review aims to highlight and comprehensively summarize recent developments in the field of mixed-coordinate phosphorus chemistry. Particular attention is focused on the synthetic approaches to compounds containing at least two directly bonded phosphorus atoms in different coordination environments and their unexpected properties that are derived from spectroscopic and crystallographic data. Novel substance classes are discussed in order to supplement previous reviews about mixed-coordinate phosphorus compounds.

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10

Kokkinos, Jason M. "Bioretention in a Mixed-Use Agricultural Landscape: Lessons Learned from the Application of Low-Phosphorus Compost and Panicum virgatum." ScholarWorks @ UVM, 2017. http://scholarworks.uvm.edu/graddis/778.

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Bioretention cells are a stormwater treatment technology that uses soil and vegetation to remove pollutants from runoff and improve downstream water quality. While bioretention has been shown to be effective at removing certain stormwater pollutants such as sediment and heavy metals, removal of nutrients has been more variable. Design components of bioretention such as vegetation and soil media amendments can influence pollutant removal performance. In my experiment, I isolate the effects of low-phosphorus compost and a Switchgrass (Panicum virgatum) monoculture on bioretention performance. In

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11

Brothers, Candice E. "The Efficiency of Orthophosphate (SRP) Uptake by Five Biochars and Five Biochar-Soil Mixes." University of Toledo / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1407613603.

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12

Guerrini, Luca. "Process optimization for polyhydroxyalkanoate production by mixed microbial cultures within the B-PLAS project." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/24409/.

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Polyhydroxyalkanoates (PHA) are biodegradable polyesters with comparable properties to some petroleum-based polyolefins. Within the context of the B-PLAS process, the PHA production is integrated with a wastewater treatment process aimed at recovering energy and C through platform molecules such as volatile fatty acids (VFAs). Eventually, selected mixed microbial cultures (MMCs) are provided with a fermentation broth under an aerobic dynamic feeding regime to produce PHA-enriched biomass. In this study, an anoxic/aerobic selection and accumulation process has been explored and compared on a be

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13

Boniak, Richard. "Nitrogen and phosphorus transport and turfgrass response on golf greens constructed of sand mixes amended with various organic materials /." Available to subscribers only, 2007. http://proquest.umi.com/pqdweb?did=1407688081&sid=1&Fmt=2&clientId=1509&RQT=309&VName=PQD.

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14

Schmid, Thibault E. "Synergism between N-heterocyclic carbene and phosphorus-based ligands in ruthenium and palladium catalytic systems." Thesis, University of St Andrews, 2012. http://hdl.handle.net/10023/3452.

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N-heterocyclic carbenes (NHCs) have become a very popular class of ligands, which has found uses in numerous catalytic applications. The use of such compounds in combination with phosphorus-based ligands within metal complexes has enabled the design of very active yet robust catalytic systems. The following chapters will describe the design of novel well-defined palladium- and ruthenium-based pre-catalysts featuring a NHC and a phosphorus-based ligand, referred at as mixed ligand systems. Such species were employed in catalysis where their properties appeared highly beneficial, uses at low cat

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15

Manlay, Raphael. "Organic matter dynamics in mixed-farming systems of the West African savanna: a village case study from south Senegal." Diss., Institute of Forestry, Agricultural and Environmental Engineering (ENGREF), 2000. http://hdl.handle.net/10919/71623.

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Organic matter (OM) is a multi-purpose tool in West African smallholder mixed-farming systems, but its supply has been decreasing for several decades. To assess the viability of a mixed-farming system of south Senegal, carbon (C), nitrogen (N) and phosphorus (P; available in soil and noted POD) budgets (stocks and flows) were thus quantified.The village territory of the study showed a ring-like organisation with growing intensification of fertilization and cropping practices from the periphery (bush ring) to the compounds (compound fields).Stocks in plant and soil averaged 54.7 tC, 2.63 tN and

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16

Munasinghe, Prinith Sumudu. "Effects of atmospheric acid deposition and single versus mixed leaf litters on foliar litter decomposition, carbon, nitrogen, phosphorus and calcium dynamics in a regenerating forest." Morgantown, W. Va. : [West Virginia University Libraries], 2008. https://eidr.wvu.edu/etd/documentdata.eTD?documentid=5769.

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Thesis (M.S.)--West Virginia University, 2008.<br>Title from document title page. Document formatted into pages; contains vi, 131 p. : ill. (some col.). Includes abstract. Includes bibliographical references.

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17

Kostyanovskiy, Kirill Igorevich. "Transformation of Carbon, Nitrogen and Phosphorus in Deep Row Biosolids Incorporation-Hybrid Poplar Plantation in Coastal Plain Mined Land Reclamation Sites." Diss., Virginia Tech, 2009. http://hdl.handle.net/10919/39473.

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Deep row incorporation (DRI) is a biosolids recycling method that is especially appropriate for reclaiming disturbed land because of the extremely high application rates used. Nutrient additions in excess of the vegetation requirements, especially in coarse-textured soils, can potentially impair water quality. Increasing C and N additions with biosolids DRI can also generate emissions of greenhouse gases N2O and CH4 and decrease the value of C sequestration. Objectives of this research were: (i) compare the effects of DRI biosolids type and rate and annual conventional fertilizer application o

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18

Cavaille, Laetitia. "Production de Polyhydroxybutyrates à partir d'acides gras volatils en culture ouverte : influence du degré de limitation en phosphore sur les réponses cinétiques et les sélections microbiennes." Thesis, Toulouse, INSA, 2015. http://www.theses.fr/2015ISAT0049/document.

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La production de biopolymères de type polyhydroxyalkanoates (PHA) est une alternative attractive pour remplacer, en partie, les plastiques produits à partir de ressources fossiles. Les contraintes techniques imposées par les cultures pures (substrat purifié, stérilité…) impliquent un coût de production qui rend la production de ces bioplastiques difficilement compétitive par rapport à celle des plastiques conventionnels. L’utilisation de cultures non axéniques permettrait de palier les contraintes des cultures pures mais nécessite une étape de sélection des microorganismes producteurs naturels

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19

CHAMBOUN, HASSAN. "Nouveaux phosphates de vanadium, molybdene, niobium et tantale a charpentes mixtes formees d'octaedres mo : :(6) et de tetraedres po::(4)." Caen, 1987. http://www.theses.fr/1987CAEN2030.

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L'etude des systemes v-p-o et mo-p-v-o a permis d'isoler les nouvelles phases vpo::(4), p::(3)v::(12)o::(34), p::(2)mo::(2)v::(4)o::(19) et de la caracteriser par diffraction rx, microscopie electronique, spectroscopie ir et uv, analyse thermique differentielle et thermogravimetrie. Etude structurale sur monocristal de b-nbpo::(5). Les phases b-nbpo::(5), b-tapo::(5) et tavo::(5) apparaissent apparentees a la familles des bronzes a tunnels pentagonaux mptbp(po::(2))::(4) (wo::(3))::(2m) dont ils constitument le terme m = z. E-nbpo::(5) et g-tapo::(5) ont ete isoles et leurs temperatures de tra

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20

Lachgar, Abdessadek. "Etude cristallographique et spectroscopique de quelques phases nouvelles du systeme k : :(2)o-sb::(2)o::(5)-p::(2)o::(5)." Nantes, 1987. http://www.theses.fr/1987NANT2015.

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Identification de cinq phases nouvelles. Determination de la structure pour chacune d'entre elles par diffraction rx sur monocristal. Les edifices covalents sont construits a partir d'octaedres sbo::(6) partageant des sommets ou des aretes, et de tetraedre po::(4) lies aux octaedres par deux, trois ou leurs quatre sommets. Caracterisation par absorption ir, diffusion raman et spectrometre rmn du **(31)p

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21

Väliheikki, A. (Ari). "Resistance of catalytic materials towards chemical impurities:the effect of sulphur and biomaterial-based compounds on the performance of DOC and SCR catalysts." Doctoral thesis, Oulun yliopisto, 2016. http://urn.fi/urn:isbn:9789526212845.

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Abstract Exhaust gas emissions, e.g. nitrogen oxides (NOx), hydrocarbons (HCs) and carbon monoxide (CO), are harmful to human health and the environment. Catalysis is an efficient method to decrease these emissions. Unfortunately, the fuels and lubricant oils may contain chemical impurities that are also present in exhaust gases. Thus, catalytic materials with high activity and chemical resistance towards impurities are needed in the abatement of exhaust gas emission. In this thesis, the aim was to gain new knowledge about the effects of chemical impurities on the behaviour and activity of the

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22

Rötger, Antonia. "Etude par magnétotransport de l'état d'onde de densité de charge dans les bronzes oxygénés quasi-bidimensionnels KMo6O17 et (PO2)4(WO3)2m." Grenoble 1, 1993. http://www.theses.fr/1993GRE10036.

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Nous avons etudie la magnetoresistance des bronzes oxygenes de metaux de transition, le bronze violet kmo#6o#1#7 et les composes m=4, 6, 7 de la famille (po#2)#4(wo#3)#2#m. Ces composes ont des proprietes quasi-bidimensionnelles. Ils subissent des transitions de peierls a une temperature t#p. La magnetoresistance de kmo#6o#1#7 a ete mesuree a des temperatures comprises entre 1. 8 k et 300 k en champ magnetique jusqu'a 37 t. Des oscillations quantiques ont ete observees. Base sur le concept du nesting cache, nous proposons un modele de la surface de fermi dans l'etat d'onde de densite de charge

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23

DUPONT-NIVET, ERIC. "Epitaxie en phase vapeur aux organometalliques de gainp et algainp sur gaas : application a la realisation de diodes et de lasers a heterojonctions." Paris 7, 1987. http://www.theses.fr/1987PA077108.

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Principes de base de la methode movpe et problemes poses par sa mise en oeuvre. Cas particuliers de gainp et de algainp. Analyse des mecanismes de la methode movpe. Proprietes des interfaces gainp/gaas, algainp/gaas et algainp/gainp et presentation de puits quantiques algainp/gainp. Realisation de dispositifs optoelectroniques: presentations de diodes electroluminescentes a homojonctions en gainp et algainp, examen des travaux des principales equipes epitaxiant algainp, presentation de lasers a heterojonctions algainp/gainp/algainp

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24

Moroni, Didier. "Etude des proprietes optiques de semi-conducteurs composes iii-v et de puits quantiques par photoluminescence et excitation de la photoluminescence." Paris 6, 1987. http://www.theses.fr/1987PA066540.

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Identification des types de recombinaison entre 2 et 300k dans les couches epaisses de gainas et gainp epitaxiees sur leur support respectif inp et gaas. Etude de l'origine de la luminescence et variation en fonction de l'epaisseur du taux de capture des porteurs de la barriere dans les puits quantiques ingaas/inp. Determination du coefficient d'interdiffusion de al et ga aux interfaces dans les puits quantiques gaas/gaalas

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25

Erman, Marko. "L'éllipsométrie spectroscopique à haute résolution latérale : modélisation, application aux surfaces, interfaces et puits quantiques dans le matériaux semi-conducteur III-V." Paris 6, 1986. http://www.theses.fr/1986PA066400.

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Etude théorique et expérimentale de l'application de la méthode aux semi-conducteurs III-V et en particulier à l'analyse des interfaces. Etude des systèmes GaAlAs/GaAs et GaInAs/InP. Détermination simultanée de l'épaisseur des couches et de l'énergie de localisation pour les différentes transitions optiques, dans le cas de puits quantiques et de super-réseaux; effets dus au couplage entre les puits quantiques. Obtention de cartographies avec une résolution optique de 10mu m. Le traitement théorique des images ellipsométriques est base sur le concept de trajectoires.

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26

Stephan, Pascal. "Contribution a la realisation de composants optoelectroniques integres sur inp." Paris 6, 1987. http://www.theses.fr/1987PA066215.

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Cette these traite particulierement sur la realisation de guide de structure a ruban inverse sur substrat inp en utilisant deux techniques de croissance anisotrope: l'epitaxie en phase liquide (lpe) et l'epitaxie en phase vapeur (vpe). Cette approche permet de resoudre plus facilement les problemes technologiques et d'integration des composants actifs

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27

Hallali, Paul-Eric. "Diffusion de zinc dans les materiaux algainas : application au transistor bipolaire a heterojonction." Paris 7, 1988. http://www.theses.fr/1988PA077071.

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Ces materiaux quaternaires algainas et les ternaires limites gainas et alinas sont elabores par epitaxie par jets moleculaires sur substrat de phosphure d'indium. Les diffusions sont realisees en utilisant la technique de la boite semi-fermee et elles sont caracterisees par profilometre electrochimique (polaron) et par sonde ionique (sims). On etudie experimentalement le mecanisme de diffusion du zinc dans gainas et on determine un mecanisme intersticiel-substitutionnel. Ensuite on expose l'utilisation de la diffusion dans le procede de fabrication des transistors bipolaires a heterojonction

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28

Menu, Eric. "Croissance par epitaxie en phase vapeur aux organometalliques et caracterisation des heterostructures abruptes ga : :(x)in::(1-x)as/inp pour applications en telecommunications." Caen, 1987. http://www.theses.fr/1987CAEN2003.

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On etudie les proprietes d'heterostructures a base de inp et de gainas fabriquees par epitaxie en phase vapeur aux organometalliques. Les proprietes des couches sont analysees par des mesures d'effet hall, de photoluminescence a 4 k et de double diffraction des rayons x. On etudie le spectre de photoluminescence plus particulierement. Avec ces heterostructures on fabrique des photodiodes pin a structure mesa et semiplanar dont on evalue les performances

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29

BENDRAOUI, ABDELLATIF. "Traitements chimiques et thermiques de composes semi-conducteurs iii-v a base de in, ga, as, p en vue d'une reprise d'epitaxie." Clermont-Ferrand 2, 1989. http://www.theses.fr/1989CLF21151.

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L'etat de surface des semiconducteurs iii-v avant la reprise d'epitaxie conditionne les proprietes electroniques et la stabilite des composants realises. Mise en evidence de l'aspect dynamique de stabilisation des composes iii-v a base de in, ga, p et as sous hydrures. Developpement d'une methode originale de stabilisation statique de ces composes a base de chlorures d'in. Analyse des resultats experimentaux et interpretation en utilisant des modeles theoriques bases sur la thermodynamique statistique

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30

Leyval, Corinne. "Intéractions bactéries-mycorhizes dans la rhizosphère du pin sylvestre et du hêtre : Incidences sur l'exsudation racinaire et l'altération des minéraux." Nancy 1, 1988. http://www.theses.fr/1988NAN10169.

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L'influence de bactéries solubilisant les phosphates (agrobactérium) et de champignons éctomycorhizogènes sur l'altération d'un mica, la phlogopite et de phosphates insolubles, a été étudiée : en cultures liquides, en l'absence de racine ; dans la rhizosphère du pin sylvestre et du hêtre, en relation avec les composés exsudés. Les thizobactéries favorisent la solubilisation des éléments minéraux par production d'acides organiques. Les champignons ectomycorhizogènes solubilisent les phosphates en culture pure, mais, en conditions symbiotiques, ils jouent surtout un rôle par l'augmentation du vo

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31

Dasté, Philippe. "Etude de croissance en phase vapeur aux organometalliques a pression atmospherique d'heterostructures inp/ingaasp et inp/dielectrique a grande uniformite sur substrat de deux pouces." Paris 6, 1986. http://www.theses.fr/1986PA066460.

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Presentation de la conception et de la realisation d'un nouveau type de reacteur pour l'epitaxie en phase vapeur a partir des organometalliques a pression atmospherique. Utilisation pour l'etude des heterointerfaces inp/ingaasp avec pour application les doubles heterostructures laser emettant a 1,3mu m, et pour l'etude de l'interface inp/dielectrique avec pour application les transistors m. I. S. Inp. Uniformite d'epaisseur et uniformite de composition pour le quaternaire

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32

Valloggia, Sylvie. "SPECTROSCOPIE DE PHOTOLUMINESCENCE LOCALE DANS LES SEMICONDUCTEURS MASSIFS (Si, InP) ET LES PUITS QUANTIQUES (GaAs/GaAlAs)." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb37619041b.

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Maurel, Philippe. "Contribution a l'etude des proprietes physiques des composes ga : :(x)in::(1-x)as::(y)p::(1-y) obtenus par croissance en phase vapeur par la methode des organometalliques." Paris 6, 1987. http://www.theses.fr/1987PA066517.

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Etude des proprietes electriques et optiques a basse temperature dans inp de haute purete. Observation de l'effet hall quantique par etude detaillee de proprietes de transport des porteurs bidimensionnels a l'heterojoncion, a dopage module de type p ou n dans inp/ga::(0,47) in::(0,53) as et inp/ga::(0,25) in::(0,75) as::(0,5) p::(0,5). Etude des proprietes structurelles et optiques des puits quantiques multiples inp/ga::(0,47) in::(0,53) as

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34

LI, HSIN-HUA, and 李欣樺. "Preparations of Three-Primary Color Phosphors Doped with Divalent or Trivalent Eu Ions and Mixed them into White Light." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/33ns6x.

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35

謝東穎. "Synthesis of oxygen-phosphorus mixed tripodal ligand and its coordination chemistry." Thesis, 1992. http://ndltd.ncl.edu.tw/handle/38047377110214703717.

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36

Hou, Dun-Ren, and 侯敦仁. "Syntheses of phosphorus and sulfur mixed donor ligands and their coordination chemistry." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/34745349782920112005.

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37

Huang, Chi-Tsuan, and 黃吉村. "Synthesis of Mercapto-Phosphorus Mixed Tripodal Ligand and Its Coordination Reaction Chemistry." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/66221942079007240881.

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38

Hou, Duen-Ren, and 侯敦仁. "Syntheses of Phosphorus and Sulfur Mixed-Donor Ligands and Their Coordination Chemistry." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/01910394191815452003.

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碩士<br>國立臺灣大學<br>化學學系<br>82<br>Starting from diethyl malonate, [(2-chloromethyl)-3- chloropropyl] phenyl sulfide is synthesized after a series synthetic transforma tion. This sulfide reacts with diisopropyl phosphide to produce a new tripodal ligand: 2-phenylthiomethyl-1,3-bis(diisopropylphosph ino)propane. P2S acts as a bidentate ligand with nickel(II) to form a square planar complex which will be decomplexed by sodium cyanide to regenerate free ligand. A mixed phosphorus and sulfur donor

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Yang, Tsung Heng, and 楊宗衡. "A study of electropolishing behavior of commercial pure nickel in phosphoric-sulfuric mixed acids." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/44577398328054744720.

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碩士<br>長庚大學<br>機械工程學系<br>100<br>The commercial pure nickel alloy (Nickel 200) has been widely used in chemical industries owing to its excellent corrosion resistance and anti-oxidation properties in high temperature environment. Generally, the surface of Nickel 200 is often polished in industrial applications. Except mechanical polishing, electropolishing is commonly used because of convenient operation and suitable for fine parts. In this study, the anodic polarization and electropolishing behavior of Nickel 200 in phosphoric-sulfuric mixed solutions with different volume ratios was studied by

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LIOU, Jhao-Ming, and 劉昭明. "Study of the Structure and Catalytic Characters of the mixed catalyst using Ce2(SO4)3 and Phosphoric acid." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/46749540037602568404.

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碩士<br>中國文化大學<br>應用化學研究所<br>98<br>The catalytic converters (Three Way Catalyst) have been employed by automobiles to solve major pollution problems caused by unburned hydrocarbon, carbon monoxide and nitrogen oxides. Using a combination of cerium oxides, alumina oxides as well as noble metals such as platinum and palladium, the Three Way Catalyst can conduct a diversified catalytic reaction to resolve the above-mentioned pollution problems. However, the roles of Phosphorous-related species have not been delineated yet. In this study, a structural and mechanistic study of the reaction between C

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Chen, Hua-lin, and 陳華琳. "Effects on Quality Characteristic by Using Mixed Dielectric with Phosphorous on Wire Electrical Discharge Machining Cutting Polycrystalline Silicon." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/56969603219778095382.

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碩士<br>國立中央大學<br>機械工程研究所<br>98<br>During solar cell processing, wafer cutting is an import procedure for yield, nowadays wire saw is the main cutting process, it has multi-wire with high efficiency, but has produced stress while cutting, it may let wafer break, and the particle can not be used fully, the particle will contaminate environment. Therefore, wire electrical discharge machining was investigated to improve wire saw processing, but most of research of material is single-crystal silicon, the poly-crystal investigate is few, because poly-crystal silicon with higher resistance, it is hard

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Singh, Atul Pratap. "Synthesis,characterization and structural studies of mixed-ligand diorganotin(iv) esters derived from oxy-sulfur/oxy-phosphorous/carboxylic acid." Thesis, 2008. http://localhost:8080/iit/handle/2074/3675.

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"The effects of nutrient additions on the sedimentation of surface water contaminants in a uranium mined pit-lake." Thesis, 2005. http://hdl.handle.net/10388/etd-05282012-111234.

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I investigated the usefulness of phytoplankton for the removal of surface water contaminants. Three experiments, consisting of nine large mesocosms (92.2 m3) were suspended in the flooded DJX uranium pit at Cluff Lake (Saskatchewan, Canada), and filled with contaminated mine water. During the summer of 2003, each mesocosm was fertilized with a different amount of phosphorus throughout the 35 day experiment to stimulate phytoplankton growth, and to create a range in phosphorus load (g) to examine how contaminants may be affected by different nutrient regimes. Algal growth was rapid in fertilize

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