Dissertations / Theses on the topic 'Basic Concepts and Methods'
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Cannaday, Bruce D. "Basic concepts of industrial technology." Virtual Press, 1986. http://liblink.bsu.edu/uhtbin/catkey/458486.
Full textIurynets, Julia, and Victoria Sokolvak. "Basic concepts of human rights." Thesis, Національний авіаційний університет, 2020. http://er.nau.edu.ua/handle/NAU/43897.
Full textThe natural-historical substantiation of human rights in today’s world political opinion clearly prevails. The concept of human rights is used broadly and narrowly.
Van, Zyl Alexis J. "Basic concepts of random matrix theory." Thesis, Stellenbosch : University of Stellenbosch, 2005. http://hdl.handle.net/10019.1/1624.
Full textIt was Wigner that in the 1950’s first introduced the idea of modelling physical reality with an ensemble of random matrices while studying the energy levels of heavy atomic nuclei. Since then, the field of Random Matrix Theory has grown tremendously, with applications ranging from fluctuations on the economic markets to M-theory. It is the purpose of this thesis to discuss the basic concepts of Random Matrix Theory, using the ensembles of random matrices originally introduced by Wigner, the Gaussian ensembles, as a starting point. As Random Matrix Theory is classically concerned with the statistical properties of levels sequences, we start with a brief introduction to the statistical analysis of a level sequence before getting to the introduction of the Gaussian ensembles. With the ensembles defined, we move on to the statistical properties that they predict. In the light of these predictions, a few of the classical applications of Random Matrix Theory are discussed, and as an example of some of the important concepts, the Anderson model of localization is investigated in some detail.
Медведєва, С. О., and О. А. Абдуллаєв. "Testing. Basic concepts of testing software." Thesis, ВНТУ, 2019. http://ir.lib.vntu.edu.ua//handle/123456789/24789.
Full textThis paper examines the basic concepts and methods of software testing, and highlights the importance of paying attention to testing in other areas
Nalvarte, Salvatierra Pierre, and Cubillas James Calderón. "Basic Concepts of Project Finance in PPP." Derecho & Sociedad, 2016. http://repositorio.pucp.edu.pe/index/handle/123456789/118573.
Full textEl Project Finance es un mecanismo de financiamiento alternativo al Corporate Finance que permite el financiamiento de grandes proyectos de infraestructura, sin necesidad de que las corporaciones pongan en riesgo su patrimonio y activos propios. A través del Project Finance se pueden ejecutar obras públicas de envergadura, en el marco de Contratos de Asociación Público Privada (APP), en donde la principal garantía de los Acreedores consistirá en el derecho que tiene la empresa que suscribe dicho contrato para explotar la infraestructura pública, bien sea a través del cobro de una tarifa a los Usuarios (en el caso de las APP Autosostenibles) o a través del cobro de un monto pre acordado con el Estado (en el caso de las APP Cofinanciadas). Para la estructuración exitosa de un Project Finance en una APP se requiere el trabajo conjunto de una serie de actores y de instrumentos jurídicos que completen el círculo necesario para el financiamiento en condiciones de riesgo aceptables. Los actores necesarios son la Sociedad de Propósito Exclusivo (SPE), el Estado, los Acreedores Permitidos, el Constructor y un Fiduciario. Entre los instrumentos jurídicos necesarios destacan el Contrato de APP, el Contrato de Financiamiento, el Contrato de Construcción y el Contrato de Fideicomiso.
Matthews, Chris, and mikewood@deakin edu au. "Fuzzy concepts and formal methods." Deakin University. School of Management Information Systems, 2001. http://tux.lib.deakin.edu.au./adt-VDU/public/adt-VDU20051201.154843.
Full textCelik, Dilek. "Basic Cryptanalysis Methods On Block Ciphers." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12611877/index.pdf.
Full textTkachenko, I., and P. Puzyrova. "Basic general methods of social work." Thesis, Академія Державної пенітенціарної служби, 2020. https://er.knutd.edu.ua/handle/123456789/15516.
Full textDuffey, Suellynn Kay. "Basic writers : case studies of revision and concept formation." The Ohio State University, 1987. http://rave.ohiolink.edu/etdc/view?acc_num=osu1287431711.
Full textKeys, Patrick W. "The Precipitationshed : Concepts, Methods, and Applications." Doctoral thesis, Stockholms universitet, Stockholm Resilience Centre, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-132375.
Full textAt the time of the doctoral defense, the following papers were unpublished and had a status as follows: Paper 4: Manuscript. Paper 5: Manuscript.
Yano, Jun-Ichi, Jean-François Geleyn, Martin Köller, Dmitrii Mironov, Johannes Quaas, Pedro M. M. Soares, Vaughan T. J. Phillips, et al. "Basic concepts for convection parameterization in weather forecast and climate models." Universitätsbibliothek Leipzig, 2015. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-177427.
Full textScherr, Rachel Ellen. "An investigation of student understanding of basic concepts in special relativity /." Thesis, Connect to this title online; UW restricted, 2001. http://hdl.handle.net/1773/9681.
Full textCreasman, Pearce Paul. "Basic Principles And Methods Of Dendrochronological Specimen Curation." Tree-Ring Society, 2011. http://hdl.handle.net/10150/622640.
Full textМорозова, Ірина Анатоліївна, Ирина Анатольевна Морозова, Iryna Anatoliivna Morozova, and T. V. Kirichenko. "The basic methods of analysis of marketing information." Thesis, Сумський державний університет, 2014. http://essuir.sumdu.edu.ua/handle/123456789/34977.
Full textKavogli, Zoe Zoni. "Learning basic electrical concepts with models and analogies using a multimedia package." Thesis, University of Glasgow, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.323425.
Full textArnold, Norah. "The acquisition and development of basic relational concepts in second language learners." Thesis, Open University, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315278.
Full textAftias, Michalis (Michalis Emmanouil) 1975. "Introducing basic structural engineering concepts through a web-based interactive learning environment." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/84250.
Full textIncludes bibliographical references (p. 71-72).
by Michalis Aftias.
S.M.
Walter, Ofra. "Role reversal approach in teaching early childhood basic concepts of kinaesthetic intelligence." Thesis, Anglia Ruskin University, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.438246.
Full textPackard, Abbot Livermore. "Exploration of a Brunswik learning environment developed to instruct basic statistical concepts." Diss., Virginia Tech, 1996. http://hdl.handle.net/10919/38576.
Full textVranken, Isabelle. "Quantifying landscape anthropisation patterns: concepts, methods and limits." Doctoral thesis, Universite Libre de Bruxelles, 2015. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209128.
Full textenvironment has kept on growing so that little or no ecosystem in the world is now
considered as untouched. This induces pressures on ecosystem health and land scarcity.
Africa is of particular concern because it still presents broad undisturbed zones and
key ecosystem services, despite being submitted to increasing anthropogenic pressures.
Landscape ecology appears suitable for the study of such phenomena, thanks to its spacebased
integrative nature and geographical level of focus. It studies the impact of spatial
pattern transformation — especially heterogeneity and its components — on ecological
processes and provides powerful analytical tools of landscape anthropisation.
The main objective of this thesis is to organise the concepts and methods, from
landscape ecology and related disciplines, into a consistent logic, to pinpoint missing
analytical frameworks for response-oriented anthropisation assessment, and to apply them
to African cases to explore the spatial patterns of anthropisation. In order to address
landscape anthropisation, we assemble diverse disciplines into a logical network (DPSIR).
The new theoretical framework is tested on Lubumbashi (DRC). In order to address
spatial patterns, we first evaluate the thermodynamic connection of the term entropy in
landscape ecology: spatial heterogeneity, unpredictability and scale influence. Then, based
on 20 landscapes, we highlight the complex relationship between spatial heterogeneity
and landscape anthropisation. We finally use the modelled relationships to test the
anthropogenic origin of the spatial pattern of a land cover class in Lubumbashi.
The main results of this research show that several concepts are used to describe different
aspects of anthropisation and that its quantification strongly depends on the reference states.
Data formats can be combined into a new assessment method ensuring more precision
and comparability, but a good field knowledge is required. As for heterogeneity, the
existing definitions of landscape entropy follow the logic of thermodynamics or information
theory, that are not compatible. Only unpredictability could be properly interpreted in
thermodynamic terms if energy transfer measurements were performed at the appropriate
level. The anthropogenic effects on heterogeneity completely diverge depending on the
amount of already anthropised surface, on the land cover type (natural or anthropogenic),
and on the heterogeneity components.
The aforementioned findings could be adapted to include functional aspects and
better address the relationship between spatial pattern and ecological processes. Such
integration would help designing response actions that can recommend human activities
and spatial patterns that could optimise the use of land to ensure ecological functioning
while supporting human development. /
L’influence croissante de l’homme sur son environnement affecte désormais le monde
entier, ce qui induit des pressions sur la santé des écosystèmes et raréfie les ressources
en terres. L’Afrique présente un intérêt particulier à cet égard car elle contient de vastes
zones quasi vierges et fournit des services écosystémiques importants mais est soumise
à des pressions anthropiques croissantes. L’écologie du paysage étudie ces phénomènes
de façon intégrative au moyen de sa composante spatiale et de son échelle d’intérêt. Elle
étudie l’impact des transformations de la structure spatiale — en particulier l’hétérogénéité
et ses différentes composantes—sur les processus écologiques et fournit de puissants outils
analytiques de l’anthropisation.
L’objectif de cette thèse est d’organiser les concepts et méthodes de différentes disciplines
de façon à mettre en évidence leurs forces et faiblesses pour proposer une nouvelle
quantification de l’anthropisation, orientée vers la gestion, et de la tester sur des paysages
africains pour examiner la structure spatiale de l’anthropisation. Le DPSIR est utilisé pour
assembler les différents concepts. La nouvelle méthodologie est testée sur Lubumbashi
(RDC). Ensuite, le lien entre la thermodynamique et l’utilisation du terme entropie en
écologie du paysage est examiné. Vingt paysages servent alors à mettre en évidence la
complexité de l’impact de l’anthropisation sur l’hétérogénéité du paysage. Enfin, cette
modélisation sert à mettre en évidence l’origine anthropique de la structure spatiale d’une
classe d’occupation du sol à Lubumbashi.
Les résultats principaux de cette recherche sont que pléthore de termes sont utilisés
pour représenter différents aspects de l’anthropisation et que sa quantification dépend de
la définition d’états de référence. Cependant, la combinaison de différents formats de
données peut aboutir à une nouvelle méthodologie plus précise et adaptable, mais cela
nécessite une bonne connaissance de terrain. Les définitions de l’entropie dépendent soit de
la thermodynamique soit de la théorie de l’information, qui ne sont pas compatibles. Seule
l’imprévisibilité pourrait être interprétée thermodynamiquement, si les mesures de transfert
d’énergie étaient effectuées à l’échelle appropriée. L’impact humain sur l’hétérogénéité
diverge selon la quantité de surface déjà anthropisée, le type de couverture du sol pris en
compte ainsi que les composantes de l’hétérogénéité mesurées.
Ces découvertes peuvent être adaptées pour intégrer des aspects fonctionnels de la
structure spatiale et mieux cerner le lien entre celle-ci et le fonctionnement écologique, ce qui
permettrait de proposer des activités humaines et des structures spatiales qui optimiseraient
l’utilisation des ressources en sol pour assurer tant le fonctionnement écologique que le
développement humain.
Doctorat en Sciences agronomiques et ingénierie biologique
info:eu-repo/semantics/nonPublished
Abd, Rahim Noor Hafhizah. "Comparing and compressing fuzzy concepts : methods and application." Thesis, University of Bristol, 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.682484.
Full textLa, Rosa Cormack María Isabel. "Basic Concepts and school performance in girls at first grade and low SES." Pontificia Universidad Católica del Perú, 2013. http://repositorio.pucp.edu.pe/index/handle/123456789/102329.
Full textLa finalidad de este trabajo fue resolver la interrogante acerca de la relación entre el conocimiento de conceptos básicos de espacio, tiempo, cantidad y número, y el rendimiento escolar, a partir de un diseño de tipo correlacional. Para ello se tomó una muestra compuesta por treinta niñas de seis años de edad que cursaban el primer grado de primaria, pertenecientes a la clase socioeconómica baja. Como instrumentos se utilizaron el Test Boehm de Conceptos Básicos y una Prueba de Pedagógica que evaluaría el desempeño tanto en lenguaje como en matemáticas. Los resultados mostraron una correlación significativa entre las variables del estudio siendo mayor, la correlación entre conceptos y lenguaje, que entre conceptos y matemáticas.
Topintzi, Ermioni. "System concepts and formal modelling methods for business processes." Thesis, City University London, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.390937.
Full textKhan, Rana Kashif. "New Concepts, Catalysts, and Methods in Stereoselective Olefin Metathesis." Thesis, Boston College, 2014. http://hdl.handle.net/2345/bc-ir:104359.
Full textChapter 1. Mechanistic Insights and Factors Influencing Polytopal Rearrangements in Stereogenic-at-Ru Carbenes. Herein, the mechanistic elucidation of the stereochemical inversion in stereogenic-at-Ru carbene complexes through olefin metathesis (OM) and non-olefin metathesis (non-OM) based polytopal rearrangements is provided. Our investigations involve the isolation and characterization of previously hypothesized higher-energy (e.g., endo-anti) and lower-energy (e.g., exo-anti) diastereomers, and their interconversion under thermal and/or acid-catalyzed conditions is demonstrated. Furthermore, our computational efforts highlighting the importance of the anionic ligands, due to their critical role in trans influence, dipolar interactions, and e-e repulsions, in polytopal rearrangements are reported. Finally, the positive influence of H-bonding in OM and non-OM processes is also rationalized. (a) Khan, R. K. M.; Zhugralin, A. R.; Torker, S.; O'Brien, R. V.; Lombardi, P. J. and Hoveyda, A. H. "Synthesis, Isolation, Characterization, and Reactivity of High-Energy Stereogenic-at-Ru Carbenes: Stereochemical Inversion Through Olefin Metathesis and Other Pathways," J. Am. Chem. Soc. 2012, 134, 12438-12441. (b) Torker, S.; Khan, R. K. M. and Hoveyda, A. H. "The Influence of Anionic Ligands on Stereoisomerism of Ru Carbenes and Their Importance to Efficiency and Selectivity of Catalytic Olefin Metathesis Reactions," J. Am. Chem. Soc. 2014, 136, 3439-3455. Chapter 2. Highly Z- and Enantioselective Ring-Opening/Cross-Metathesis of Enol Ethers Through Curtin-Hammett Kinetics. The first instances of Z- and enantioselective Ru-catalyzed olefin metathesis are presented. Ring-opening/cross-metathesis (ROCM) reactions of oxabicyclic alkenes and enol ethers and a phenyl vinyl sulfide are promoted by 0.5-5.0 mol % of enantiomerically pure stereogenic-at-Ru complexes with an aryloxy chelate tethered to the N-heterocyclic carbene. Products are formed efficiently and with exceptional enantioselectivity (up to >98:2 enantiomer ratio). Surprisingly, the enantioselective ROCM reactions proceed with high Z selectivity (up to >98% Z). Moreover, reactions proceed with the opposite sense of enantioselectivity versus aryl olefins, which afford E- isomers exclusively. DFT calculations and deuterium-scrambling experiments, indicating fast interconversion between endo- and exo-Fischer carbene diastereomers, support a Curtin-Hammett situation. On this basis, models accounting for the stereoselectivity levels and trends are provided. Furthermore, the correlation of Fischer carbene character to the observed chemoselectivity in ROCM with enol ethers is also disclosed. Finally, a general proposal for the substrate-controlled Z selectivity in OM is also discussed. (a) Khan, R. K. M.; O'Brien, R. V.; Torker, S.; Li, B. and Hoveyda, A. H. "Z- and Enantioselective Ring-Opening Cross-Metathesis with Enol Ethers Catalyzed by Stereogenic-at-Ru Carbenes: Reactivity, Selectivity, and Curtin-Hammett Kinetics," J. Am. Chem. Soc. 2012, 134, 12774-12779. (b) Torker, S.; Koh, M. J.; Khan, R. K. M. and Hoveyda, A. H. "Origin of Z selectivity in Olefin Metathesis Reactions of Certain Terminal Alkenes Catalyzed by Typically E-Selective Ru Carbenes," manuscript submitted. Chapter 3. A New Class of Highly Efficient Ru Catalysts for Z-Selective Olefin Metathesis. Herein, we outline a general design for Z-selective OM, which led to the development of a new class of stereogenic-at-Ru carbene complexes (Ru4-9). Furthermore, we demonstrate that the newly developed dithiolate complexes Ru4b and Ru5 efficiently promote high activity and selectivity in ROMP reactions of norbornene and cyclooctene. Notably, the catechothiolate Ru4b catalyzes Z-selective ROCM with a broad scope of alkenes involving various functional groups (e.g., alcohols, enol ethers, vinyl sulfides, amides, heterocycles, and conjugated 1,3-dienes). More importantly, we disclose that the catecholate complex Ru4a is kinetically non-selective in OM and readily decomposes in the presence of mildly acidic moieties (e.g., alcohols and CDCl3). Subsequently, Ru9 is developed to efficiently promote highly Z-selective CM of a diol cross-partner with a wide range of alkene substrates. Most remarkably, the aforementioned protocol is employed in two natural product syntheses and the OM-based Z-selective cracking of oleic acid, which is unprecedented with existing Ru-carbenes and Mo/W-alkylidenes. (a) Khan, R. K. M.; Torker, S. and Hoveyda, A. H. "Readily Accessible and Easily Modifiable Ru-Based Catalysts for Efficient and Z-Selective Ring-Opening Metathesis Polymerization and Ring-Opening Cross-Metathesis," J. Am. Chem. Soc. 2013, 135, 10258-10261. (b) Koh, M. J.; Khan, R. K. M.; Torker, S. and Hoveyda, A. H. "Broadly Applicable Z- and Diastereoselective Ring-Opening/Cross-Metathesis Catalyzed By a Dithiolate Ru Complex," Angew. Chem., Int. Ed. 2014, 53, 1968-1972. (c) Khan, R. K. M. ; Torker, S. and Hoveyda, A. H. "Reactivity and Selectivity Differences Between Catecholate and Catechothiolate Ru Complexes. Implications Regarding Design of Stereoselective Olefin Metathesis Catalysts," J. Am. Chem. Soc. 2014, 136, 14337-14340. (d) Koh, M. J.; Khan, R. K. M.; Torker, S.; Yu, M.; Mikus, M. S. and Hoveyda, A. H. "Synthesis of High-Value Alcohols, Aldehydes and Acids by Catalytic Z-Selective Cross-Metathesis" manuscript submitted
Thesis (PhD) — Boston College, 2014
Submitted to: Boston College. Graduate School of Arts and Sciences
Discipline: Chemistry
Nichols, Annemarie. "Utilizing music to teach basic spatial concepts to preschool children the impact on acquisition /." Muncie, Ind. : Ball State University, 2008. http://cardinalscholar.bsu.edu/380.
Full textUshiama, Taketoshi, and Toyohide Watanabe. "A representation method of time-varying characteristics of entity on the basis of core-surface concept." IEEE, 1996. http://hdl.handle.net/2237/6929.
Full textKessler, Marcel. "Exercise design for introductory programming "Learn-by-Doing" basic O-O-concepts using Inverted Curriculum /." Zürich : ETH, Eidgenössische Technische Hochschule Zürich, [Department of Computer Science, Chair of Software Engineering], 2004. http://e-collection.ethbib.ethz.ch/show?type=dipl&nr=186.
Full textSchönberger, Jörn. "Operational freight carrier planning : basic concepts, optimization models and advanced memetic algorithms ; with 24 tables /." Berlin [u.a.] : Springer, 2005. http://www.loc.gov/catdir/enhancements/fy0663/2005922933-d.html.
Full textGoddard, Kathryn. "Principles of research and development: a handbook for teaching basic concepts in new product development." Kansas State University, 2012. http://hdl.handle.net/2097/15079.
Full textFood Science - Animal Sciences & Industry
Fadi M. Aramouni
Food product development involves more than just creating the perfect recipe. Representatives from marketing, procurement, research and development, safety, and quality all work together to complete product development projects. This manuscript is aimed to serve food science students and professionals learning the basics of the product development process, food component functionality, basic units of food processing, regulatory considerations, food safety concepts, consumer testing, confidentiality/ intellectual property issues, and essential pieces of marketing. Many other texts concentrate on food product development, but this text looks to create a more comprehensive guide. The breadth of knowledge needed for food product development are vast. Food science students and professionals can use this text to provide basic (not exhaustive) knowledge necessary to be a valuable part of a new product development team.
Kröger, Torsten. "On-line trajectory generation in robotics basic concepts for instantaneous reactions to unforeseen (sensor) events." Berlin Heidelberg Springer, 2009. http://d-nb.info/997432780/04.
Full textDavis, Maxie Y. "Concepts and methods of measuring productivity at the organization level." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1993. http://handle.dtic.mil/100.2/ADA273126.
Full textThesis advisor(s): William J. Haga ; WIlliam R. Gates. "setpember 1993." Bibliography: p. 55-57. Also available online.
Dippenaar, Matthys Alois. "Assessment of vadose zone hydrology : concepts, methods, applications and guidelines." Thesis, University of Pretoria, 2014. http://hdl.handle.net/2263/43319.
Full textThesis (PhD)--University of Pretoria, 2014.
lk2014
Geology
PhD
Unrestricted
Yano, Jun-Ichi, Jean-François Geleyn, Martin Köller, Dmitrii Mironov, Johannes Quaas, Pedro M. M. Soares, Vaughan T. J. Phillips, et al. "Basic concepts for convection parameterization in weather forecast and climate models: COST Action ES0905 final report." MDPI AG, 2014. https://ul.qucosa.de/id/qucosa%3A12408.
Full textRodrigo, Clinton. "Basic Comparison of Three Aircraft Concepts: Classic Jet Propulsion, Turbo-Electric Propulsion and Turbo-Hydraulic Propulsion." Master's thesis, Aircraft Design and Systems Group (AERO), Department of Automotive and Aeronautical Engineering, Hamburg University of Applied Sciences, 2019. http://d-nb.info/1204558019.
Full textTimmermann, Dion [Verfasser]. "Engineering students' understanding of basic electric circuit concepts and the effect of qualitative worksheets / Dion Timmermann." Hamburg : Universitätsbibliothek der Technischen Universität Hamburg-Harburg, 2020. http://d-nb.info/121996350X/34.
Full textPan, Guocheng. "Concepts and methods of multivariate information synthesis for mineral resources estimation." Diss., The University of Arizona, 1989. http://hdl.handle.net/10150/184946.
Full textTshabalala, Moloadi Johannes. "The right to basic education : what about farm school learners? / M.J. Tshabalala." Thesis, North-West University, 2008. http://hdl.handle.net/10394/1780.
Full textThesis (M.Ed. (Education Law))--North-West University, Vaal Triangle Campus, 2008.
Everett, Linda Anne. "Primary children's perceptions of selected landscapes : reliability of methods and validity of responses." Thesis, University of Exeter, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322282.
Full textDamla, Ozer. "Origins, Aims And Methods Of Basic Design Courses In Industrial Design Programs In Turkey." Master's thesis, METU, 2005. http://etd.lib.metu.edu.tr/upload/12605712/index.pdf.
Full textPowell, Katherine L. "Basic Concepts in Early Education Programs for Children with Hearing Loss in Listening and Spoken Language Classrooms." DigitalCommons@USU, 2011. https://digitalcommons.usu.edu/etd/938.
Full textMolinari, Marco. "Exergy and Parametric Analysis: Methods and Concepts for a Sustainable Built Environment." Doctoral thesis, KTH, Byggnadsteknik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-105380.
Full textQC 20121121
Al, Balushi Sabah Ahmed Ali. "The appropriation of Western management concepts and methods in Omani higher education." Thesis, University of York, 2017. http://etheses.whiterose.ac.uk/20286/.
Full textO'Brien, Robert Vincent. "The Development of New Catalysts, Concepts, and Methods for Stereoselective Olefin Metathesis." Thesis, Boston College, 2012. http://hdl.handle.net/2345/3925.
Full textWe have synthesized Ru-carbene isocyanide complexes that promote both ring-opening metathesis polymerization of norbornene as well as cycloisomerization of diethyl diallylmalonate. We have also synthesized a N-heterocyclic carbene complex bearing a biphenylthiol moiety, and we installed this ligand on a Ru-carbene to produce a racemic chiral bidentate Ru-thiolate complex. Although the Ru-thiolate was found to initiate more slowly than the corresponding biphenoxide catalyst, both perform ring-opening/cross-metathesis (ROCM) with similar efficiency. Several other bidentate Ru-complexes were synthesized where the anionic ligand was varied (tosylate, pivalate, and phenylthiolate), as well as a new Re-alkylidene bis-pyrrolide. We have expanded the scope of Ru-catalyzed enantioselective ROCM of cyclopropenes utilizing a variety of ester, ketone, ether, and aliphatic olefin cross-partners. The utility of this method was demonstrated in the enantioselective total synthesis of the marine natural product (+)-sporochnol, which was synthesized in 8% overall yield across eleven linear steps. Additionally, we have developed an enantio- and Z-selective ROCM of enol ethers and oxabicycles; we propose the origin of Z-selectivity to arise from a lower barrier to ruthancyclobutane cleavage/formation for the cis-substituted ruthenacyclobutane vs the trans-substituted ruthenacyclobutane (which is favored for ROCM of oxabicycles and styrene). We also have found that stereogenic-at-Ru complexes are capable of undergoing non-metathesis isomerization through polytopal rearrangements. This observation may explain why cyclopropene ROCM suffers from low enantioselectivity for many substrates. We have developed a diasteroselective ROCM reaction, which utilizes commercially available ruthenium dichloride catalysts in the presence of chiral allylic alcohols and cyclopropenes. Our investigation revealed that the presence of a hydroxyl group dramatically accelerates the rate of ROCM vs the corresponding methyl ether and delivered products in high yield and diastereoselectivity. Furthermore, we found that the methyl ether delivered the opposite diastereomer vs the allylic alcohol; this led us to propose that intramolecular H-bonding between the hydroxyl proton and a chloride ligand controls the diastereoselectivity and enhances the rate of the ROCM. Protic additives have also been found to promote polytopal rearrangements in stereogenic-at-Ru complexes; H-bonding may facilitate olefin metathesis in a similar fashion to polytopal rearrangement by reducing the trans effect during the transition state to ruthenacyclobutane formation. A number of synthetically useful allylic alcohols and strained olefin substrates efficiently provide products in high diastereoselectivity and with good E:Z selectivity (89:11-97:3 dr, 4:1-11:1 E:Z). We have developed a Mo-catalyzed Z-selective cross-metathesis (CM) reaction. A wide range of olefin cross partners were found to be effective for both enol ether and allylic amide substrates (51-97% yield, 81 to 98% Z). We applied our Z-selective CM method to the synthesis of KRN7000, a potent immunostimulant (the Z-allylic amide was obtained in 85% yield and 96% Z). We also utilized Z-selective CM in the formal synthesis of an enol ether plasmalogen C18 (plasm)-16:0 (PC), a lipid membrane component found in mammalian brain tissue (the enol ether was obtained in >98:2 Z selectivity). Z-selective cross-metathesis is therefore a new tool for synthetic chemists to access important building blocks for the synthesis of biologically active molecules. We have developed a Z-selective cross-metathesis of vinyl and allyl boronates. Reactions of both substrate classes proceed to between 50-95% conv and deliver Z-vinylboronate and Z-crotylboronate products in 85-93% Z selectivity. Allylboronate CM provides Z-crotylboronates which can be used for diastereoselective crotylation. The utility of Z-selective vinylboronate CM was demonstrated in the synthesis of a dienyl boronate (obtained in 83% yield and >98% Z) that will be utilized in the total synthesis of the potent anti-cancer agent disorazole C1
Thesis (PhD) — Boston College, 2012
Submitted to: Boston College. Graduate School of Arts and Sciences
Discipline: Chemistry
Markell, Kyle Charles. "Exergy Methods for the Generic Analysis and Optimization of Hypersonic Vehicle Concepts." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/31256.
Full textMaster of Science
Oudan, Rodney. "Market orientation benefits to firm and economic development, theories, concepts and methods." Saarbrücken VDM Verlag Dr. Müller, 2007. http://d-nb.info/985163828/04.
Full textTeranishi, Takahiro. "Concept formation through iconicity: basic shapes and their metaphorical extensions in English and Japanese." Thesis, The University of Sydney, 2003. http://hdl.handle.net/2123/598.
Full textNordlander, Johan. "Towards a semantics of linguistic time : exploring some basic time concepts with special reference to English and Krio." Doctoral thesis, Umeå : Umeå University, 1997. http://catalogue.bnf.fr/ark:/12148/cb40144929n.
Full textTeranishi, Takahiro. "Concept formation through iconicity basic shapes and their related metaphorical extensions in English and Japanese /." University of Sydney. Linguistics, 2003. http://hdl.handle.net/2123/598.
Full textPawling, Kimberly. "INTEGRATING UNIVERSAL DESIGN FOR LEARNING CONCEPTS INTO SECONDARY GENERAL EDUCATION INSTRUCTIONAL METHODS COURSES." Doctoral diss., University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3302.
Full textPh.D.
Department of Child, Family and Community Sciences
Education
Education EdD
Lamamy, Julien-Alexandre 1978. "Methods and tools for the formulation, evaluation and optimization of rover mission concepts." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/40354.
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Includes bibliographical references (p. 245-255).
Traditionally, Mars rover missions have been conceived with a single point design approach, exploring a limited architectural trade space. The design of future missions must resolve a conflict between increasingly ambitious scientific objectives and strict technical and programmatic constraints. Therefore, there is a need for advanced mission study engineers to consider a wider range of surface exploration concepts in order to identify those with superior performance and robustness with respect to evolving mission objectives. To this end, a three stage trade space exploration approach has been developed to supplement point design development in the early conceptual phase of Mars rover missions. The product is an integrated set of theoretical methods and analytical tools which enhances the understanding and enables the rapid exploration of the rover mission trade space. In the formulation stage, the first stage of the approach, a parallel decomposition of the functional and physical aspects of Mars exploration architectures is employed to explore trade space of surface mission concepts. At each step of the decomposition, architectural alternatives are assessed with respect to stakeholder figures of merit.
(cont.) The resulting concept development trees allow for a rapid assessment of a given design's strength and robustness with respect to stakeholder priorities. In the evaluation stage, the Mars Surface Exploration (MSE) rover system design tool is used to support quantitative analysis of the superior designs identified in the formulation stage. This tool, for advanced mission studies, offers unique functionality: breadth of exploration, system-level modeling fidelity and rapidity. As a demonstration of its capabilities, the tool is used to model and evaluate a multi-rover mission concept in less than two hours. In the optimization stage, two systems engineering methods are developed to optimize, with MSE, the more complex technical and physical aspects of rover mission architectures. The first method assesses the value of autonomy technologies in future missions; it is based on the principle that the monetary worth of autonomy can be evaluated by benchmarking its performance against competing solutions with known cost. The method is applied to value autonomy development for site-to-site traverse and sample approach activities.
(cont.) The second method optimizes platform strategies for space exploration systems; an innovative optimization technique is developed to enumerate of all platform options. In the six rover mission campaigns analyzed, the best platform strategies are shown to generate very limited savings compared to traditional strategies. The two case studies demonstrate that the analytical capabilities of MSE combined with a theoretical structure form a valuable decision making tool for early conceptual design trade-offs.
by Julien-Alexandre Lamamy.
Ph.D.