Dissertations / Theses on the topic 'SU8'
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Fulcrand, Rémy. "Etude et développement d'une plateforme microfluidique dédiée à des applications biologiques : intégration d'un actionneur magnétique sur substrat souple." Toulouse 3, 2009. http://thesesups.ups-tlse.fr/732/.
Full textThe profound changes observed over the last twenty five years in the electronics world currently haves courses in biology, partly thanks to biotechnology. The concept commonly called "lab-on-chip" (LOC) owes its growth to the considerable effort that has been conducted on technology development of micro-fabrication. The number of technological tools currently available for the manufacture of microfluidic networks is important but the realization of complex three-dimensional systems remains a challenge. The development of micro and nanotechnology for new materials such as polymers, and especially the SU-8, opened the way for more sophisticated integration as we present it in this work. We expose the details of an approach in the design, modeling and fabrication of magnetic actuators integrated into SU-8 microfluidic networks for magnetic beads handling; all being developed on a flexible substrate of PET. The development of characterizations tools systems was also presented. They permit the establishment of an experimental protocol to assess and quantify the different electrical, thermal, fluidic and magnetic parameters contributing to obtain a LOC device in the efficient movement of fluids, trapping of magnetic balls, transfer of one area to another and to their orientation through preferred channels
Audrain, Margaret T. "Evaluation of SU8 and ruthenium oxide materials for microfluidic devices." Diss., Rolla, Mo. : Missouri University of Science and Technology, 2008. http://scholarsmine.mst.edu/thesis/pdf/Audrain_09007dcc8054efe8.pdf.
Full textVita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed August 15, 2008) Includes bibliographical references.
Gebauer, Christian. "Optimierung und Herstellung von Dualband-Fabry-Pérot-Filtern mit neuartigen Schichtmaterialien." Master's thesis, Universitätsbibliothek Chemnitz, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-64017.
Full textThis work presents a new design type of the older well known tunable micromachined Fabry-Pérot filter (FPI4). Compared to the previous system the new design (FPI5) aimed to avoid the problems as sticking, short circuit between the shield and the electrode as well as the malfunction in dicing and separation. Furthermore an identification mark and a new separated electrode were to be improved. The conclusion of this optimization was the new Design FPI5. The whole geometry was in addition to the adhesive bonding with SU8 moreover designed for the direct bonding, which was successfully verified in the FPI design with two moveable reflector carriers. Additionally a verification of the bonding strength at different bonding parameters was done. This verification showed that a 50 % higher bonding strength could be achieved by using the new bonding parameters in comparison to the normally used bonding parameters
Yashar, David A. "A refrigerant expansion control device fabricated through nickel deposition within SU8 micromolds." College Park, Md. : University of Maryland, 2006. http://hdl.handle.net/1903/3386.
Full textThesis research directed by: Mechanical Engineering. Title from t.p. of PDF. Includes bibliographical references. Published by UMI Dissertation Services, Ann Arbor, Mich. Also available in paper.
Fulcrand, Remy. "Etude et développement d'une plateforme microfluidique dédiée à des applications biologiques. Intégration d'un actionneur magnétique sur substrat souple." Phd thesis, Université Paul Sabatier - Toulouse III, 2009. http://tel.archives-ouvertes.fr/tel-00450545.
Full textAntonio, Christian, and n/a. "Characterisation and optimisation of the variable frequency microwave technique and its application to microfabrication." Swinburne University of Technology, 2006. http://adt.lib.swin.edu.au./public/adt-VSWT20070220.122922.
Full textBushueva, Olga. "Conception, réalisation et caractérisation d'inductances et de transformateurs tridimensionnels pour applications RF et microondes." Thesis, Toulouse 3, 2016. http://www.theses.fr/2016TOU30140/document.
Full textThe miniaturization, fabrication and integration of RF passive components are current major challenges, also taking into account the fabrication cost which is very important especially for consumer applications. Passive components such as inductors and transformers are subject to an ongoing development to improve their performance and reduce the area occupied. The work described in this manuscript is part of that context and target the development of a new technological process allowing the production of low-cost three-dimensional high-performance inductive components. The work presented in this paper is divided into four chapters. The first chapter describes the state of the art of integrated inductors and transformers by addressing the main topologies used fabrication technologies and applications. In the second chapter, the study and optimization of solenoid inductors and transformers is discussed after describing the origins of performance limiting losses. For this, we use the 3D electromagnetic simulation. In the third chapter, the problem concerning the characterization of inductive components with high Q factor is raised. After finding that the measurement environment artificially reduces performance, some solutions are proposed and experimentally verified. Finally, the last chapter discusses the fabrication and characterization of developed components. The best measured performance corresponds to a quality factor of 61 to 5.4 GHz for an inductance value of 2.5 nH and a maximum available gain of -0.5 dB to 0.39 dB over the range from 3.8 to 6.5 GHz for a 2:2 transformer. These results place these components among the best current achievements
Artillan, Philippe. "Design, modelization and realization of integrated inductive components for low power supplies and microsystems." Toulouse, INSA, 2008. http://eprint.insa-toulouse.fr/archive/00000243/.
Full textL’intégration complète des dispositifs de conversion d’énergie destinés à créer des circuits d’alimentation compacts se heurte encore aujourd’hui à des contraintes technologiques fortes sur l’intégration des composants passifs inductifs et capacitifs. La fréquence de fonctionnement de ces dispositifs, d’ores et déjà de l’ordre du MHz, en augmentant pourrait réduire la taille de ces composants passifs et donc permettre leur intégration. Cependant, les pertes fortement liées à la fréquence et à la technologie, freinent encore cette augmentation. Cette thèse a pour objectif l’étude systématique de structures d’inductances intégrées à travers le développement d’une modélisation accompagnée de simulations précises pour le développement d’une méthodologie de simulation valable sur la plage de fréquence de 0Hz à 1GHz. Pour cela, un modèle analytique basé sur la méthode PEEC (Partial Element Equivalent Circuit) a d’abord été développé. Ce type de modèle a du être adapté aux topologies des composants étudiés : symétrie cylindrique, conducteurs de section non négligeable, milieux non homogènes… Ce modèle décompose l’étude du composant en deux étapes : calculs électromagnétiques menés sur des sous-parties du composant (éléments partiels) et calcul de la réponse fréquentielle globale à partir de modèles électriques des éléments partiels. Un procédé complet de réalisation technologique des composants inductifs a également été mis au point en parallèle afin de valider expérimentalement la modélisation. L’amélioration de la résolution des motifs et l’augmentation de l’épaisseur des dépôts lors des étapes de croissance électrolytique du cuivre, ainsi que la planarisation des niveaux de conducteurs avec de la résine SU8 ont fait l’objet d’études spécifiques. Ces avancées ont permis la réalisation de selfs multibrin et multiniveau qui présentent des caractéristiques électriques intéressantes en haute fréquence. Enfin, la caractérisation des prototypes en basse fréquence a été rendue possible par la mise en oeuvre d’un banc de mesure d’impédance pour la gamme de fréquence de 40 Hz à 110MHz et des caractérisations en haute fréquence effectuées à l’aide d’un analyseur de réseau. Ces travaux ont été complétés par la mise au point d’une méthode analytique de calcul du champ magnétique. Les calculs permettent de prédire la répartition du champ magnétique généré par des actionneurs magnétiques planaires intégrés excités en courant continu
Lagouge, Matthieu. "Conception de microsystèmes à base d'actionneurs en SU8 pour la manipulation de micro-objets en milieu liquide et transfert vers milieu quasi-sec." Phd thesis, Université des Sciences et Technologie de Lille - Lille I, 2006. http://tel.archives-ouvertes.fr/tel-00084755.
Full textLe premier système proposé est une microsonde en silicium polycristallin et en résine SU8 dotée d'une pointe, dont la fonction est de descendre dans un microcanal et effectuer des mesures électriques sur des microobjets. Après une phase de conception, un compterendu de la fabrication et des tests sont proposés.
Cette première étape permet de poursuivre sur un système d'extraction de microobjets d'un milieu liquide vers un milieu sec. Celuici comporte un système de convoyage diélectrophorétique et un actionneur en résine SU8 et or. La conception, la fabrication, et les tests ont permis finalement de démontrer le potentiel en terme d'automatisation d'un tel microsystème.
Robin, Malo. "Développement de transistors à effet de champ organiques et de matériaux luminescents à base de nanoclusters par impression à jet d’encre." Thesis, Rennes 1, 2017. http://www.theses.fr/2017REN1S105/document.
Full textThe objective of this thesis was to demonstrate the potentialities of inkjet printing for driving an HLED containing red phosphorescent metallic clusters, with organic field effect transistors. To achieve this goal, the project was divided into two parts: I) The fabrication and optimization of n-type organic transistors by photolithography and then transfer to inkjet printing. II) Parallel to the development of transistors, I focused on designing luminescent hybrid materials for HLED realization. Concerning transistors, we obtained a better understanding of the factors influencing the charge injection but also the electrical stability for bottom gate/ bottom contact geometry transistor with evaporated C60 semiconductor. We have demonstrated that the contact resistance is on the one hand governed by the morphology of the SCO at the electrodes and on the other hand independent of the metal work function. In addition, we have observed that transistors electrical stability of is strongly impacted by the source and drain contact nature. The optimization of photolithography transistors, which essentially consisted of modifying the interfaces, allowed us to develop efficient n-type transistors with saturated field effect mobilities of up to 1.5 cm2/V.s for a maximal process temperature of 115 °C. The technological transfer to inkjet printed transistors was then performed. We then demonstrated that gate electrode and insulator morphologies deposited by inkjet printing, have a negligible impact on transistors performances. For our printed structure, charges injection at the S/D electrodes is in fact the key factor for high performance transistors realization. Finally, red phosphorescent materials based on molybdenum octahedral metal cluster have been developed. The resulting hybrid copolymer showed photoluminescence quantum yield up to 51%. The realization of the HLED was then carried out by combining a commercial blue LED and the copolymer doped with octahedral molybdenum clusters for possible applications in biology or lighting
Holmes, Matthew R. "Integration of Micropore and Nanopore Features with Optofluidic Waveguides for Single Particle Sensing." BYU ScholarsArchive, 2011. https://scholarsarchive.byu.edu/etd/3037.
Full textGhannam, Ayad. "Conception et intégration "above IC" d'inductances à fort coefficient de surtension pour applications de puissance RF." Phd thesis, Université Paul Sabatier - Toulouse III, 2010. http://tel.archives-ouvertes.fr/tel-00621125.
Full textAbada, Sami. "Conception et réalisation de microsystèmes optiques (MOEMS) en polymère pour l'optique adaptative intégrée sur diodes laser verticales (VCSELs)." Thesis, Toulouse 3, 2015. http://www.theses.fr/2015TOU30374/document.
Full textThis thesis deals with the study and the fabrication of a novel type of polymer MOEMS (Micro Optical Electrical Mechanical Systems) to achieve passive or active beam shaping of Vertical-Cavity Surface-Emitting Lasers (VCSELs). To improve the photonic integration of these compact laser sources in optical communication and detection systems (sensors, biomedical analysis), we designed a polymer-based optical microsystem that is suitable with a post-processing integration on VCSELs. Its operation principle is based on the out-of-plane displacement of a suspended SU-8 membrane including a polymer refractive microlens at its surface. Thanks to electro-thermal actuation, the vertical displacement of the membrane allows to dynamically modify the microlens-source distance and leads to a vertical shift of the laser beam waist position. MOEMS actuation power and reliability were optimized owing to a comprehensive tri-dimensional thermo-electro-mechanical model that takes into account SU-8 material properties and precise geometry of the device. Technological steps necessary for the collective fabrication of such MOEMS on VCSELs arrays were also developed. In particular, we report on a new photoresist film transfer method we developed to achieve a highly uniform fabrication of high aspect ratio MOEMS on small-sized or fragile samples such as GaAs-based VCSELs wafers. This method that we call "soft thermal printing" is based on the use of a thermal nano-imprint set-up. Moreover, a simple and planar process for MOEMS fabrication was successfully tested. A dedicated inkjet printing process for drop-on-demand deposition of the microlens on the membrane center was also developed. Finally, the fabricated MOEMS were characterized. A vertical displacement as high as 8µm was observed for only 12.5mW applied, in good agreement with our 3D modeling results and first results on 850nm VCSEL dynamic beam focusing were obtained, demonstrating the interest of our approach
Sallinen, P. (Pirkko). "Myocardial infarction:aspects relating to endogenous and exogenous melatonin and cardiac contractility." Doctoral thesis, University of Oulu, 2008. http://urn.fi/urn:isbn:9789514287558.
Full textTiivistelmä Melatoniini osallistuu monien fysiologisten toimintojen ja käyttäytymisen säätelyyn sekä vaikuttaa useiden eri kudosten toimintaan. Melatoniini on tehokas antioksidantti, mutta jotkut sen vaikutuksista välittyvät myös MT1 ja MT2 melatoniini reseptorien kautta. Antioksidatiiviset vaikutukset tulevat esiin erityisesti silloin, kun melatoniinin pitoisuus on korkea (≥ nM). Alhaisemmilla pitoisuuksilla (pM) on puolestaan havaittavissa melatoniinin sitoutuminen reseptoreihinsa. Viime aikoina on tullut esille melatoniinin mahdollinen suojavaikutus sydänsairauksia, kuten sydäninfarkteja, vastaan. Sydäninfarkti muuttaa sydänlihaksen rakennetta ja toimintaa esimerkiksi vaikuttamalla supistuksen kannalta välttämättömien proteiinien, dihydropyridiini reseptorin (DHPR), ryanodiini reseptorin (RyR2) ja sarko-endoplasmakalvoston Ca2+-ATPaasi2:n (SERCA2) lukumääriin ja toimintaan, ja sitä kautta muun muassa heikentää sydämen supistuvuutta. Sydäninfarkti laukaisee elimistössä myös monia adaptiivisia vasteita, kuten eteispeptidin (ANP) ja aivojen natriureettisen peptidin (BNP) lisääntyneen erityksen. Tässä väitöstyössä tutkittiin MT1 ja MT2 reseptorien mRNAn ilmentymistä useissa rotan eri kudoksissa. Lisäksi tutkittiin sydäninfarktin ja eksogeenisen melatoniinin vaikutuksia rotan endogeeniseen melatoniiniin sekä sydämen MT1, MT2, DHPR, RyR2 ja SERCA2 proteiinien ekspressioon. Myös ANP ja BNP pitoisuudet mitattiin. Tulokset osoittivat MT1 ja/tai MT2 reseptori mRNAn ilmentymisen hypotalamuksessa, silmän verkkokalvolla, ohutsuolessa, maksassa ja sydämessä, minkä perusteella ainakin osa melatoniinin vaikutuksista saattaisi olla reseptorivälitteisiä näissä kudoksissa. Tulosten mukaan käpyrauhasen melatoniinisynteesi lisääntyi nopeasti sydäninfarktin jälkeen, mikä tukee käsitystä endogeenisen melatoniinin tärkeästä roolista infarktin jälkeisessä sydämen suojauksessa. Lisäksi eksogeeninen melatoniini muutti DHPR:n, RyR2:n ja SERCA2:n mRNA ekspressiota infarktin jälkeen, mikä voisi merkitä, että melatoniini saattaa vaikuttaa infarktin jälkeiseen sydämen supistuvuuteen. Tulosten osoittama positiivinen riippuvuus melatoniinin ja ANP:n välillä tuo puolestaan esille yhden uuden mahdollisen keinon, jonka kautta melatoniini voisi suojata sydäntä infarktin aiheuttamia vaurioita vastaan. Yhteenvetona voidaan todeta, että tämä väitöstyö (i) tukee käsitystä, että endogeenisella melatoniinilla on tärkeä merkitys elimistön suojaamisessa, ja (ii) laajentaa tietämystämme infarktin jälkeisistä melatoniinin sydäntä suojaavista vaikutuksista
Linaburg, Matthew Ronald. "Studies of Halide Perovskites CsPbX3, RbPbX3 (X=Cl-, Br-, I-), and Their Solid Solutions." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1449074303.
Full textMunson, Brian R. "Electronic to Vibrational Energy Transfer from Cl* (2P1/2) to CH4 and CD4." Wright State University / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=wright1239995101.
Full textTena, Gómez Mª Ángeles. "Síntesis y caracterización de disoluciones sólidas MIIIxTi1-2xMVxO2 con estructura rutilo." Doctoral thesis, Universitat Jaume I, 1992. http://hdl.handle.net/10803/10541.
Full textPettersson, Ulf, and Magnus Zetterlund. "Är svenska aktiepriser trögrörliga? : En studie av tidsförskjutningar i prissättningen av värdepapper i samband." Thesis, Linköping University, Department of Management and Engineering, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-11090.
Full textBakgrund
Richard J. Rendleman, Charles P. Jones & Henry A. Latané påvisade i en studie år 1982 med hjälp av en regressionsmodell att tidsförskjutningar i prissättningen av aktier existerat på den amerikanska marknaden vid kvartalsresultat som avvek från en trend. Det inspirerade oss att med samma metod undersöka om liknande tidsförskjutningar även existerat på den svenska marknaden.
Syfte
Syftet med denna uppsats är att empiriskt studera om det existerat tidsförskjutna aktieprisjusteringar kvartalsvis, baserade på standardiserade oförväntade kvartalsresultat respektive standardiserade oförväntade kassaflöden, på den svenska aktiemarknaden under åren 2004-2006. Om sådana tidsförskjutningar av prisbildning existerat avser vi även att diskutera dem utifrån teorier om behavioral finance.
Genomförande
Med linjär regression estimeras EPS respektive kassaflöden utifrån historiska data. Estimeringarnas avvikelse från rapporterade data jämförs sedan med aktiekursutveckling för att se om samband föreligger mellan storleken på avvikelserna och efterföljande tidsförskjutning.
Resultat
Under tidsperioden 2004-2006 påvisar vi tidsförskjutningar med standardiserade oförväntade kvartalsresultat men inte med standardiserade oförväntade kassaflöden.
Background
Richard J. Rendleman, Charles P. Jones & Henry A. Latané presented a study in 1982 where they showed anomalies on the American stock exchange when using standardized unexpected earnings. Their result inspired us to do a similar research on the Swedish stock exchange.
Purpose
The purpose of this study is to do an empirical study of the existence of drifts in stock price adjustments, based on standardized unexpected earnings and standardized unexpected cash-flows on the Swedish stock exchange during the years 2004-2006. If anomalies are discovered we intend to discuss them in terms of behavioral finance.
Implementation
With a linear regression we estimate EPS respective cash-flow from historical data. The deviations from quarterly reported data are compared with the development of stock-prices.
Conclusion
During the time period 2004-2006 we show that anomalies have existed when standardized unexpected earnings are applied and that no anomalies can be found with standardized unexpected cash-flows.
Collard, Amélie. "Réponses des plantes de sous-bois au retrait expérimental du cerf de Virginie dans les forêts du sud du Québec." Thesis, Université Laval, 2009. http://www.theses.ulaval.ca/2009/26196/26196.pdf.
Full textWe examined the response of understory plants to deer exclusion in maple-dominated forests of southern Québec following nearly 30 years of deer overabundance. Six maple forests were selected for the study and at each site one deer exclosure and one control were established in 1998. One exclosure and one control at each of the same sites were established in 2003 under recent gap openings. We investigated deer impacts on the richness, abundance, and aboveground biomass of different plant groups. None of these variables differed significantly between treatments over the years under both forest cover and gaps, except for tree seedlings and total plant abundance under gaps. Trillium erectum recovered partially as individuals were taller and reproduced more frequently in deer exclosures under forest cover. Overall, our results suggest that plant groups did not recover from deer exclusion, likely because of low light levels that prevail in maple-dominated forests.
Seda, Kin. "Collisional depolarization of the atomic Cs 6s2S1/2-10s2S3/2,9d2D5/2 transition with argon buffer gas." Connect to this document online, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=miami1119285688.
Full textTitle from first page of PDF document. Document formatted into pages; contains [1], ???, ??? p. : ill. Includes bibliographical references (p. Xx-Xx).
Duraisamy, Murugeswaran. "Power Corrections in e+e- →M1M2 and in Charmless Two Body B meson Decays." University of Cincinnati / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1258470956.
Full textBela, Cyrille Bienvenu. "Les expressions sculpturales au sud-Cameroun : le cas du pays Beti." Paris 1, 2006. http://www.theses.fr/2006PA010659.
Full textO'Malley, Matthew J. "Li+/H+ Ion-exchanged Li2MO3 (M = Ir, Pt) and Carbonate Melt Oxidized IrOx pH Sensors." The Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=osu1221839212.
Full textBaumgartner, Sean. "COLLISIONAL DEPOLARIZATION OF THE ATOMIC SODIUM 3S2S1/2 → 3P2P3/2 → 5S2S1/2 TRANSITION WITH ARGON AND XENON BUFFER GAS BY SPECTRAL HOLE-BURNING." Miami University / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=miami1311956327.
Full textNaud, Julie. "Espèces herbacées médicinales de sous-bois, cultivées en érablière sous différentes conditions de lumière et de sol, dans le sud du Québec (Canada)." Thesis, Université Laval, 2009. http://www.theses.ulaval.ca/2009/26024/26024.pdf.
Full textThaher, Mohammed Shaban Atieh. "Efficient Algorithms for the Maximum Convex Sum Problem." Thesis, University of Canterbury. Computer Science and Software Engineering, 2014. http://hdl.handle.net/10092/9347.
Full textAlazemi, Abdulrahman Miteb. "Effect of Metal Coating on NaYF4:Yb3+,Tm3+ Upconversion Nanoparticles." University of Cincinnati / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1394724900.
Full textWegener, Bianca [Verfasser]. "Nass- und elektrochemische Synthesen von Metallsalzen der closo-Dodekaborate [B12X12]2- (mit X = H, F, Cl, Br, I) und [Me3NB12X11]- (mit X = F, Cl) / Bianca Wegener." Wuppertal : Universitätsbibliothek Wuppertal, 2019. http://d-nb.info/1202950647/34.
Full textChareille, Samantha. "Aménagement linguistique et constitution d'un ensemble régional : le cas du Mercosur (Argentine, Brésil, Paraguay et Uruguay) et du Chili." Paris 3, 2001. http://www.theses.fr/2001PA030055.
Full textBeing a new political, economical and professional area, the common Market of the South, is also a new linguistic and cultural area, a place of many references. Defined by is multilingualism and its many cultures, the Mercosur maintains its meaning through its respect of languages and cultures. The idea that the sense of belonging to the common Market is found in embryonic form in each national culture, is pure fiction. Besides, the resurgence of the innermost identities within the member-States proves that the market identity can be neither universal, which would mean denying the differences, nor specific, which would help to exacerbate them. It is obvious that the problem is far from being simple. The outcome of this quest for identity will depend on the ability to carefully handle an area of cultural diversity, a place of common allegiance, without losing the sense of Mercosurian citizenship. Through this research, and taking the case of the Mercosur and Chile, we intend to tackle a group of questions regarding the connection between the national linguistic policies (or visible lack of national linguistic policies) and the macro economical developments against background of community, identity and local assertion on the other hand. From this standpoint, we shall see the Mercosur - not only as it is factually but also as it is represented – constitutes less of a central force than a dynamic boundary of a moving area where it proceeds as a pointer and a catalyst, or even as an instrument to consciousness towards a reflection and initiative concerning the polities of language
Su, Tong. "MEASUREMENT OF F2n /F2p FROM DEEP INELASTIC ELECTRON SCATTERING OFF A = 3 MIRROR NUCLEI AT JEFFERSON LAB." Kent State University / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=kent1587680491082341.
Full textSchweitzer, Alejandro Fabián. "Integration regionale et amenagement du territoire dans le mercosur : frontieres, reseaux et dynamiques transfrontalieres." Paris 3, 2000. http://www.theses.fr/2000PA030040.
Full textStenrup, Michael. "Quantum mechanical studies of ionization and electron transfer in diatomic systems : O2 and H+ + H-." Licentiate thesis, KTH, School of Biotechnology (BIO), 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-9419.
Full text
The present thesis is based upon two papers concerning the core-valence double onization of molecular oxygen and mutual neutralization of H+ and H- ions at low collision energies.
The former of these processes has been studied for the first time using a magnetic bottle time-of-ight electron coincidence spectrometer in combination with ab initio electronic structure calculations. The core-valence photoelectron spectra have been interpreted by comparing with the calculated double ionization energies, as well as the conventional valence band spectrum. Based on this comparison, some general features of the process are discussed and assignments for several of the dicationic states proposed.
The latter process has been studied by means of a molecular close coupling approach in which both the nuclei and the electrons have been treated at a quantum mechanical level of theory. Accurate ab initio potential energy curves and non-adiabatic couplings have been used to calculate the neutralization cross section in the collision energy region 0.001 to 100 eV. Special emphasis has been put on the energy region below a few eV from which the low temperature rate coe_cient is evaluated. In this region, the calculated neutralization cross section is in good agreement with several other theoretical studies, but is a factor of two to three lower than the only published experimental data.
Coley, Austin A. "Immunocytochemical techniques identify Na+-coupled HCO3– transporters (NCBTs) in chemosensitive neurons of the medullary raphé." Case Western Reserve University School of Graduate Studies / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=case1322943857.
Full textManduca, Paulo Cesar Souza 1965. "As relações Brasil-Africa do Sul." [s.n.], 1995. http://repositorio.unicamp.br/jspui/handle/REPOSIP/279408.
Full textDissertação (mestrado) - Universidade Estadual de Campinas, Instituto de Filosofia e Ciencias Humanas
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Resumo: Não informado
Abstract: Not informed.
Mestrado
Mestre em Ciência Política
Roy, Renée. "Effets à court terme des éclaircies précommerciales sur les oiseaux chanteurs dans le sud du Québec." Master's thesis, Université Laval, 2015. http://hdl.handle.net/20.500.11794/26514.
Full textBiodiversity conservation is a key aspect of forest management. Silvicultural regimes that aim to mitigate some of the negative effects of logging on wildlife are often used to meet biodiversity conservation objectives. I studied the effects of wildlife mitigation measures for precommercial thinning (PCT) on songbirds and vegetation to check whether these measures have the desired effect. A before-after-control-impact (BACI) experimental design was established by a multidisciplinary team to assess the objectives. The design consisted of an average of 19 replicates for the following treatments: control, regular PCT, and wildlife-mitigated PCT. I found no difference in nesting songbird guilds between wildlife-mitigated PCT and regular PCT. The results also suggest that regular PCT had little or no effect on guilds, when compared to unthinned stands. The lack of an significant effect on birds likely arose from the weak effect of the treatments on vegetation, which affected only lateral visual obstruction and coniferous vertical forest cover. This study does not question the findings of similar studies performed in other regions, but indicates that PCT can be practiced without major impacts on forest songbirds in the region concerned with this study. Keywords : Precommercial thinning, songs birds, experimental design (BACI), mitigation, conservation biology, management.
Andreassen, Rolf. "Study of D0-D̅0 mixing parameters using a time-dependent amplitude analysis of the decay D0 to KS0 π+ π−." University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1285687286.
Full textStenqvist, Joakim. "Stora och små Entreprenörers positionering på en järnvägs- marknad under avreglering." Thesis, University of Kalmar, Baltic Business School, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-8719.
Full textJag har med denna uppsats försökt skapa en förståelse för avregleringen av järnvägsindustrin och dess två ingående organisatoriska fält, tågfältet och järnvägsfältet. Denna avreglering är just nu en högaktuell företeelse med tanke på följande två händelser:
- Tågoperatören SJ AB:s ensamrätt att utföra persontrafik på kommersiell grund på det statliga järnvägsnätet har helt nyligen upphävts, vilket innebär att det successivt kommer att bli fler tågoperatörer på det svenska järnvägsnätet.
- Den 1 januari år 2010 bildades ett helt nytt bolag, Infranord AB, som tidigare gick under namnet Banverket Produktion, som var en del av myndigheten Banverket.
Mot bakgrund av ovanstående har jag valt att djupare studera järnvägsfältet för att se vilka aktörer som har etablerat sig och vilka som kommer att dyka upp. Jag har även försökt förstå hur fältets aktörer, och främst då entreprenörer, nya och gamla, anpassar sig till de nya förhållandena inom fältet. Jag tycker att jag i mitt resultat och min analys har fått en mycket bra bild av hur fältets aktörer anpassar sig till de omvärldsförändringar som sker, vilka etableringshinder som kvarstår samt vilka utmaningar som väntar.
Jag tycker mig ha gått i mål med min uppsats genom att jag har fått svar på mina forskningsfrågor och fått en bild av hur fältets aktörer ”tänker”. Genom detta har jag kunnat dra min slutsats om hur entreprenörerna inom järnvägsfältet, stora och små, borde positionera samt vad de borde utveckla i syfte att generera en överlägsen avkastning och uppnå en varaktig konkurrensfördel.
Van, Lessen Valentin [Verfasser]. "Aktivierung dreiatomiger Moleküle mit Silyliumionen und die Synthese von [B12(CN)12]2- / Valentin Van Lessen." Wuppertal : Universitätsbibliothek Wuppertal, 2019. http://d-nb.info/1204222347/34.
Full textBetti, Alessandra [Verfasser]. "Search for the Standard Model Higgs boson pair production and new physics phenomena in the bb τ+hadτ-had final state with the ATLAS detector / Alessandra Betti." Bonn : Universitäts- und Landesbibliothek Bonn, 2019. http://d-nb.info/1202848303/34.
Full textGuibert, Martine. "Les strategies territoriales das acteurs agro-industriels face au Mercosur : les triturateurs de soja en argentine." Toulouse 2, 2000. http://www.theses.fr/2000TOU20019.
Full textSiegler, Maxime Andre. "POLYMORPHISM OF FOUR ENANTIOTROPIC CRYSTALLINE SYSTEMS CONTAINING Ni(II), H2O, 15-Crown-5 AND NO3-." UKnowledge, 2007. http://uknowledge.uky.edu/gradschool_diss/565.
Full textEni, Eni Sammy. "Determination of the Activation Parameters of Reaction Between [Fe(CN6]-4 and K[Co(HEDTA)NO2]." Digital Commons @ East Tennessee State University, 2009. https://dc.etsu.edu/etd/1798.
Full textLauenstein, Oliver. "Selektive Halogenierungen unter Phasentransferbedingungen mechanistische Untersuchungen und synthetische Anwendungen /." Doctoral thesis, [S.l.] : [s.n.], 2001. http://deposit.ddb.de/cgi-bin/dokserv?idn=963021443.
Full textCOKER, NATHAN LEE. "THE SYNTHESES AND CHARACTERIZATIONS OF THE VARIOUS SALTS OF [Au(SCN) 2 ] -." University of Cincinnati / OhioLINK, 2003. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1053453898.
Full textBrower, Jerry J. "Preparation and characterization of structurally stable polycrystalline La[sub]0.7Ca[sub]0.3Mn[sub]03 and La[sub]0.7Ca[sup]0.3(Mn[sup](1-x)Fe[sub]x)[sub]03 samples." Thesis, Kingston University, 2006. http://eprints.kingston.ac.uk/20374/.
Full textGodang, Romulus. "Measurement of the Ratio of Charged and Neutral 𝐵 Mesons in Υ (4𝑆) Events via Partial Reconstruction of the Semileptonic Decays 𝛣̅⁰⟶𝐷∗⁺ℓ⁻𝜈̅ℓ and 𝛣̅⁻⟶𝐷∗⁰ℓ𝜈̅ℓ." Diss., Virginia Tech, 2000. http://hdl.handle.net/10919/28846.
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Susani, Nadine. "Le système de règlement des différends du Mercosur." Paris 10, 2005. http://www.theses.fr/2005PA100062.
Full textThe Mercosur is an economic integration organization because its institutional structure is not community-based and this is particularly reflected in the system of settling disputes. The resolution mechanism of the litigations in place have always been adapted to respond to the demands of integration but have always maintained an important anchorage in the most classical of international law. They only use co-operative tools. This research proposes to examine how the objective of economical integration has influenced the conception of the procedures of settling disagreements as well as what these mechanisms, when used effectively by the Mercosur State members, have bought to economical integration. In this sense, the States have tried to resolve their differences by the bias of the consultation mechanism, a process well known to economical International law, and which has revealed itself to be essential to establishing trusting relationships between states. Finally, the appeals to the Mercosur tribunals ad hoc of arbitration the have permitted to reinforce juridicial security and to outline certain important principles for the progress of economical integration
Jonasson, My. "Blood Flow Modeling of H215O PET Studies in Liver Metastases." Thesis, Uppsala University, Department of Physics and Astronomy, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-126721.
Full textPositron Emission Tomography, PET, is a noninvasive medical imaging technique to get functional information of the kinetics of radioactive compound injected in the body. The data used in this thesis comes from a total of five H215O PET studies of one patient. This was done in order to study the blood flow in liver metastasis of the patient, before and after treatment.
A one compartment model was used to do the ROI based analyses. With a least square method in Matlab the unknown parameters in the model, such as the kinetic rate constants, the dispersion and the fraction of blood in the tissue, was extracted. Also a brief analysis of different parts of the metastases, edge and center, was done to see the variations within the metastases. The results show some increase of the blood flow after the treatment, and two of the three studied metastases showed a distinct difference of the activity in the center versus the edge. Given in the thesis are also some basic PET and compartmental modeling theory.
Positronemissionstomografi, PET, är en icke-invasiv medicinsk bildteknik för att få funktionell information om kinetiken av radioaktiva föreningar injicerade i kroppen. Det data som används i denna kandidatuppsats kommer från totalt fem H215O PET-studier av en patient. Detta gjordes för att studera blodflödet i levermetastaser hos patienten före och efter behandling.
En 1-kompartmentmodell användes för att göra ROI-baserade analyser. Med en minsta kvadrat-metod i Matlab kunde de okända parametrarna i modellen, såsom den kinetiska hastighetskonstanten, spridningen och andelen blod i vävnaden, fås ut. En kort analys gjordes också av olika delar av metastaserna, kanten och mitten, för att se variationerna inuti metastaserna. Resultaten visar en viss ökning av blodflödet efter behandlingen, och två av de tre studerade metastaser visade en tydlig skillnad av aktiviteten i mitten jämfört med kanten. I rapporten ges också grundläggande teori om bland annat PET och kompartmentmodellering.
Alanko, S. (Seppo). "High resolution infrared spectroscopy on the fundamental bands of 13CH3I." Doctoral thesis, University of Oulu, 1999. http://urn.fi/urn:isbn:9514251857.
Full textBrumfield, Brian. "Electronic to Vibrational Energy Transfer from Cl* (3 2P1/2) to N2O(ν1): Failure of a Simple Kinetic Mechanism." Wright State University / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=wright1133802860.
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