Dissertations / Theses on the topic 'Mixing or multiple addition'
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Tusche, Marco. "Empirical processes of multiple mixing data." Thesis, Tours, 2013. http://www.theses.fr/2013TOUR4033/document.
Full textThe present thesis studies weak convergence of empirical processes of multiple mixing data. It is based on the articles Durieu and Tusche (2012), Dehling, Durieu, and Tusche (2012), and Dehling, Durieu, and Tusche (2013). We follow the approximating class approach introduced by Dehling, Durieu, and Voln (2009)and Dehling and Durieu (2011), who established empirical central limit theorems for dependent R- and R”d-valued random variables, respectively. Extending their technique, we generalize their results to arbitrary state spaces and to empirical processes indexed by classes of functions. Moreover we study sequential empirical processes. Our results apply to B-geometrically ergodic Markov chains, iterative Lipschitz models, dynamical systems with a spectral gap on the Perron—Frobenius operator, and ergodic toms automorphisms. We establish conditions under which the empirical process of such processes converges weakly to a Gaussian process
Bishop, Allen J. "Confined Mixing of Multiple Transverse Jets." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/894.
Full textYassawi, Reem. "Multiple mixing of local rank group actions." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape11/PQDD_0015/NQ44636.pdf.
Full textYassawi, Reem Adel. "Multiple mixing of local rank group actions." Thesis, McGill University, 1998. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=35655.
Full textCases, Amat Montserrat. "Single and multiple addition to C60. A computational chemistry study." Doctoral thesis, Universitat de Girona, 2003. http://hdl.handle.net/10803/8025.
Full textEls sistemes estudiats en referència a l'addició simple al C60 han estat en primer lloc els monoiminoful·lerens, C60NR, (de les dues vies proposades per la seva síntesi, anàlisis cinètic i termodinàmic han ajudat a explicar els mecanismes de formació i justificar l'addició a enllaços tipus [5,6]), i en segon lloc els metanoful·lerens i els hidroful·lerens substituits, C60CHR i C60HR, (raons geomètriques, electròniques, energètiques i magnètiques justifiquen el diferent caràcter àcid ente ambdós derivats tenint en compte una sèrie de substituents R amb diferent caràcter electrònic donor/acceptor). Els fluoroful·lerens, C60Fn, i els epoxid ful·lerens, C60On, (anàlisi sistemàtic dels seus patrons d'addició en base a poder justificar la força que els governa han aportat dades complementàries a les poques que existeixen experimentalment al respecte).
Since the discovery of C60 molecule a large number of derivatives molecules have been described with a great scientific interest of their specific physical and chemical properties. A selection of single and multiple addition products has been considered in this investigation. Study at Computational Chemistry level for this selected derivatives have been carried out in order to give answer to several points that experimentally are not understandable or not enough clear.
As single addition derivatives, firstly were studied the monoiminofullerenes, C60NR, (two routes of synthesis have been considered, kinetic and thermodynamic analysis have help to explain formation mechanisms and justify the possible addition at [5,6]-type bonds), and secondly the methanofullerenes and the substituted hydrofullerenes, C60CHR and C60HR, (geometric, electronic, energetic and magnetic reasons justify the different acid character between both series of derivatives taking care on the influence of R substituents with different donor/acceptor character). The fluorofullerenes, C60Fn, and the epoxide fullerenes, C60On, have been studied as multiple addition derivatives (systematic analysis of the addition pattern have been performed in the way to find reasons to justify the driving force of the multiple addition process).
Thompson, John Russell. "Multiple four-wave mixing processes in single-mode optical fiber." Diss., Georgia Institute of Technology, 1991. http://hdl.handle.net/1853/30955.
Full textAli, Md Shahjahan. "Mixing of a non-buoyant multiple jet group in crossflow." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B29485587.
Full textWhitton, M. J. "Gas liquid mixing in tall vessels fitted with multiple impellers." Thesis, Cranfield University, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.312190.
Full textZhang, Qing. "Multiple recurrence and mixing properties for actions of amenable groups /." The Ohio State University, 1991. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487759436328088.
Full textRodgers, Thomas Lawrence. "Multiple-scale approach to understanding formulated product production." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/multiplescale-approach-to-understanding-formulated-product-production(a0de5c77-1bb7-4d7b-af3a-8ccb44a80f42).html.
Full textLuettgen, Christopher O. "An Investigation of the role of mixing conditions during polymeric retention aid addition on the adsorption homogeneity." Diss., Georgia Institute of Technology, 1992. http://hdl.handle.net/1853/5787.
Full textSmith, Elwyn D. J. "Noise limits due to light mixing in optical code-division multiple-access systems." Thesis, University of Canterbury. Electrical and Electronic Engineering, 1998. http://hdl.handle.net/10092/5742.
Full textHeeb, Thomas Gregory. "Examination of turbulent mixing with multiple second order chemical reactions by the statistical analysis technique /." The Ohio State University, 1986. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487267024995615.
Full textTani, Yosuke. "Catalytic Addition of Functionalities across Carbon-Carbon Multiple Bonds with Carbon Dioxide and Related Electrophiles." 京都大学 (Kyoto University), 2015. http://hdl.handle.net/2433/199321.
Full textGattobigio, Giovanni Luca. "Manipulation of a large magneto-optical trap : application to four-wave mixing." Nice, 2008. http://www.theses.fr/2008NICE4022.
Full textCasey, Timothy. "The aerodynamic losses with the addition of film cooling in a high-speed annular cascade." Honors in the Major Thesis, University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETH/id/1375.
Full textBachelors
Engineering and Computer Science
Mechanical Engineering
Gattobigio, Giovanni Luca. "Manipulation of a Large Magneto-Optical Trap:application to Four-Wave Mixing." Phd thesis, Université de Nice Sophia-Antipolis, 2008. http://tel.archives-ouvertes.fr/tel-00312718.
Full textAzizoglu, Suha Alp. "Time Domain Scattering From Single And Multiple Objects." Phd thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609413/index.pdf.
Full textSuberg, Lavinia A. "Investigations of the variability of tidal mixing fronts and their importance for shelf-sea ecosystems across multiple trophic levels." Thesis, University of Southampton, 2015. https://eprints.soton.ac.uk/400389/.
Full textHinch, Garry Dale. "Effect of ligand addition and substitution on metal-metal multiple bonds: Direct electronic structure comparisons via gas phase photoelectron spectroscopy." Diss., The University of Arizona, 1990. http://hdl.handle.net/10150/185132.
Full textMartinez, Jorge L. "Revealing groundwater-surface water exchanges and recharge processes with multiple tracers and hydrochemistry." Thesis, Queensland University of Technology, 2017. https://eprints.qut.edu.au/110526/1/Jorge_Martinez_Thesis.pdf.
Full textYapici, Kerim. "Numerical Investigation Of Stirred Tank Hydrodynamics." Master's thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/1302140/index.pdf.
Full textCooper, James Roger. "A Multi-Wilkinson Power Divider Based Complex Reflection Coefficient Detector." Scholar Commons, 2010. https://scholarcommons.usf.edu/etd/1603.
Full textErnst, Romuald. "Dynamique des opérateurs sur les Grassmanniennes." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2013. http://tel.archives-ouvertes.fr/tel-00949228.
Full textHajjar, Redouane. "RMN de l'interaction quadripolaire au second ordre d'un solide en rotation : théorie, simulation et application du MQMAS aux catalyseurs solides." Paris 6, 2007. http://www.theses.fr/2007PA066614.
Full textBaillot, Maxime. "Mélange à quatre ondes multiple pour le traitement tout-optique du signal dans les fibres optiques non linéaires." Thesis, Rennes 1, 2017. http://www.theses.fr/2017REN1S068/document.
Full textFour-wave mixing is a phase-sensitive nonlinear effect that arouses interest, particularly in the fields of frequency comb generation and all-optical signal processing. As an example, frequency combs can be produced thanks to a cascaded four-wave mixing process. In this case, N waves can interact with each other through the optical Kerr effect, and one has to take into account all the possible interactions to be able to adequately model the process. During my PhD thesis, I was interested in modeling the so-called multiple four-wave mixing process, in which any number N of waves can interact with each other. I proposed a general formulation that allows to easily identify all the four-wave mixing terms originating from all the possible combinations of wave coupling and their associated phase-mismatch terms. I validated this approach through the theoretical and experimental study of a multiple four-wave mixing process in a nonlinear optical fiber. Thanks to the developed model, I then proposed a theoretical study of the phase-sensitive frequency conversion process, which permits to demultiplex the quadrature components of an optical signal. In the literature, this process was first experimentally demonstrated in several nonlinear devices using four pump waves. I demonstrated that only three pump waves were required to successfully perform the experiment, and I determined the simple analytical relations from which the adequate experimental parameters (namely, the amplitudes and phases of the pump waves) could be deduced. I finally validated this study by experimentally demonstrating a phase-sensitive frequency conversion process with only three pump waves, and I theoretically studied the influence of chromatic dispersion on the performance of this frequency converter. Finally, I characterized some chalcogenide microstructured optical fibers that were fabricated in the framework of a collaboration with Perfos, the Institut des Sciences Chimiques de Rennes, and SelenOptics. I set up a test bench based on the four-wave mixing process in order to measure the chromatic dispersion and nonlinear coefficient of some optical fibers
Jamet, Sophie. "Effet photoréfractif dans l'InP:Fe : étude comparative en fonction de la température à plusieurs longueurs d'onde." Rouen, 1995. http://www.theses.fr/1995ROUES002.
Full textSarrazin-Baudoux, Christine. "Etude du mixage ionique dans un système à grande limite de solubilité : cas du Cuivre-Nickel, caractérisation de l'adhérence de ces revêtements sur substrat acier." Poitiers, 1987. http://www.theses.fr/1987POIT2305.
Full textJaouen, Christiane. "Etude des mécanismes des transformations de phase induites par irradiation aux ions dans les systèmes métalliques." Poitiers, 1987. http://www.theses.fr/1987POIT2019.
Full textKokkalis, Efstratios. "Fluid dynamic assessments of spiral flow induced by vascular grafts." Thesis, University of Dundee, 2014. https://discovery.dundee.ac.uk/en/studentTheses/5b96492f-983f-4baa-8e48-20da6939e65c.
Full textHitchcock, Yvonne Roslyn. "Elliptic curve cryptography for lightweight applications." Thesis, Queensland University of Technology, 2003. https://eprints.qut.edu.au/15838/1/Yvonne_Hitchcock_Thesis.pdf.
Full textHitchcock, Yvonne Roslyn. "Elliptic Curve Cryptography for Lightweight Applications." Queensland University of Technology, 2003. http://eprints.qut.edu.au/15838/.
Full textTavares, Lucas Alves. "O envolvimento da proteína adaptadora 1 (AP-1) no mecanismo de regulação negativa do receptor CD4 por Nef de HIV-1." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/17/17136/tde-06012017-113215/.
Full textThe Human Immunodeficiency Virus (HIV) is the etiologic agent of Acquired Immunodeficiency Syndrome (AIDS). AIDS is a disease which has a global distribution, and it is estimated that there are currently at least 36.9 million people infected with the virus. During the replication cycle, HIV promotes several changes in the physiology of the host cell to promote their survival and enhance replication. The fast progression of HIV-1 in humans and animal models is closely linked to the function of an accessory protein Nef. Among several actions of Nef, one is the most important is the down-regulation of proteins from the immune response, such as the CD4 receptor. It is known that this action causes CD4 degradation in lysosome, but the molecular mechanisms are still incompletely understood. Nef forms a tripartite complex with the cytosolic tail of the CD4 and adapter protein 2 (AP-2) in clathrin-coated vesicles, inducing CD4 internalization and lysosome degradation. Previous research has demonstrated that CD4 target to lysosomes by Nef involves targeting of this receptor to multivesicular bodies (MVBs) pathway by an atypical mechanism because, although not need charging ubiquitination, depends on the proteins from ESCRTs (Endosomal Sorting Complexes Required for Transport) machinery and the action of Alix, an accessory protein ESCRT machinery. It has been reported that Nef interacts with subunits of AP- 1, AP-2, AP-3 complexes and Nef does not appear to interact with AP-4 and AP-5 subunits. However, the role of Nef interaction with AP-1 or AP-3 in CD4 down-regulation is poorly understood. Furthermore, AP-1, AP-2 and AP-3 are potentially heterogeneous due to the existence of multiple subunits isoforms encoded by different genes. However, there are few studies to demonstrate if the different combinations of APs isoforms are form and if they have distinct functional properties. This study aim to identify and characterize cellular factors involved on CD4 down-modulation induced by Nef from HIV-1. More specifically, this study aimed to characterize the involvement of AP-1 complex in the down-regulation of CD4 by Nef HIV-1 through the functional study of the two isoforms of ?-adaptins, AP-1 subunits. By pull-down technique, we showed that Nef is able to interact with ?2. In addition, our data from immunoblots indicated that ?2- adaptin, not ?1-adaptin, is required in Nef-mediated targeting of CD4 to lysosomes and the ?2 participation in this process is conserved by Nef from different viral strains. Furthermore, by flow cytometry assay, ?2 depletion, but not ?1 depletion, compromises the reduction of surface CD4 levels induced by Nef. Immunofluorescence microscopy analysis also revealed that ?2 depletion impairs the redistribution of CD4 by Nef to juxtanuclear region, resulting in CD4 accumulation in primary endosomes. Knockdown of ?1A, another subunit of AP-1, resulted in decreased cellular levels of ?1 and ?2 and, compromising the efficient CD4 degradation by Nef. Moreover, upon artificially stabilizing ESCRT-I in early endosomes, via overexpression of HRS, internalized CD4 accumulates in enlarged HRS-GFP positive endosomes, where co-localize with ?2. Together, the results indicate that ?2-adaptin is a molecule that is essential for CD4 targeting by Nef to ESCRT/MVB pathway, being an important protein in the endo-lysosomal system. Furthermore, the results indicate that ?-adaptins isoforms not only have different functions, but also seem to compose AP-1 complex with distinct cell functions, and only the AP-1 variant comprising ?2, but not ?1, acts in the CD4 down-regulation induced by Nef. These studies contribute to a better understanding on the molecular mechanisms involved in Nef activities, which may also help to improve the understanding of the HIV pathogenesis and the related syndrome. In addition, this work contributes with the understanding of primordial process regulation on intracellular trafficking of transmembrane proteins.
Hasbullah, Hasbullah. "Alleviating the negative effect of salinity on soil respiration by plant residue addition: effect of residue properties, mixing and amendment frequency." Thesis, 2015. http://hdl.handle.net/2440/102766.
Full textThesis (Ph.D.) (Research by Publication) -- University of Adelaide, School of Agriculture, Food and Wine, 2015.
Yeh, Pin Wei, and 葉品維. "Shuffle-Mixing Random Number Generator with Circular Shift Addition Technique." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/89umg7.
Full textJu, Shr-Liang, and 朱士亮. "Effect of Cu Addition on 316L Stainless Steel by Mixing TiC Strengthening Phase." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/79404531081446947089.
Full text國立屏東科技大學
機械工程系所
100
Added appropriate amount of TiC powder to 316L stainless steel (the best amount to add was 2wt%) during the press molding of powder metallurgy (PM for short) as well as transferred the atmosphere control from H2 to 50%H2 plus 50%N2 at the moderate temperature when sintering(the wonderful atmosphere transferable temperature was 1200℃), and gained the conclusive result that the grain growth was under control, the phase was reinforced, the content of Nitrogen reached the maximum, and the most of the mechanical properties of 316L stainless steel were enhanced. On the other hand, also found the ductility and corrosion resistance of the matrix became lower for the reason that some chemical compound precipitated on the grain boundary bringing hard and brittle phases. Therefore, Cu is added in this new experiment in hope of improving the sintering property between 316L stainless steel and TiC, decreasing the hard and brittle phases and enhancing the ductility and corrosion resistance. Four groups of specimens are made for this experiment: specimen A(316L stainless steel+2 wt%TiC), specimen B(316L stainless steel+2 wt%TiC plated with Cu of 0.5wt%), specimen C(316L stainless steel+2 wt%TiC plated with Cu of 1.5wt%) and specimen D(316L stainless steel+2 wt%TiC plated with Cu of 3wt%). The experimental results show that there is hardly precipitation on the grain boundary due to the effect of copper, thus reaching the target of decreasing the hard and brittle phases. There is also apparent improvement in density, ductility &; corrosion resistance. The hardness, wear resistance and strength become slightly weaker as the amount of copper plated is raised but is still within the acceptable range.
"Single and multiple addition to C60. A computational chemistry study." Universitat de Girona, 2003. http://www.tesisenxarxa.net/TDX-0225104-131052/.
Full textLee, Yen-Fei, and 李彥霏. "Effects of flour type, mixing water content and gum addition on the properties of noodles." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/70078741846259440192.
Full text靜宜大學
食品營養學系
89
The purpose of this study is to investigate the effects of the variety of wheat, the mixing water content, the milled fraction of flour, and the addition of gum on the properties of noodle. The noodles were mixed in reduced pressure condition (160-180mmHg). The rheological behaviors (storage modulus, G’ and loss modulus, G”) and the enthalpy of noodle during cooking were monitored as a function of varieties of wheat flour (Australian hard wheat, AHW; Canadian western red spring, CWRS; dark north spring, DNS and hard red winter, HRW), mixing water content (35, 37.5, and 40% mb), milled fractions of wheat flour (F-1 and F-2), and gums (Tamarind seed gum A and S type, Psyllium seed gum, Xanthan gum). The hardness, the tensile strength, and the tensile distance of re-cooked frozen cooked noodle made from the factors above-mentioned were compared. In terms of the effect of wheat variety of flour, the rheological behaviors (G’ and G”) of raw noodle made from the variety, AHW, are higher than CWRS and DNS. The storage modulus and loss modulus of raw noodle made from HRW were the lowest among the four varieties. After cooked, G’ and G” of noodle made from CWRS was the highest, while the noodle from HRW had the lowest values. The storage modulus and loss modulus of noodle made from AHW decreased rapidly during cooking, this indicated that the noodles made from AHW were more sensitive to cooking. According to the result of the enthalpy, the rate of calculated extent of gelatinization of noodles made from HRW was the rapidest. The hardness of the re-cooked frozen cooked noodle made from HRW was the most sensitive to decreasing with the cycles of freeze-thaw increasing, this indicated that the resistance to freeze-thaw treatment of the frozen cooked noodle made from HRW was the lowest. The first frozen treatment was the more important treatment to decrease the hardness of frozen cooked noodles than the cycles of freeze-thaw treatment. In terms of the effect of mixing water content, the raw noodles made with lower mixing water content showed lower G’ and G”. The G’ and G” of noodle made with 37.5 and 40% mixing water content were more stable than made with 35% during cooking. The hardness of frozen cooked noodle made with different mixing water content decreased with frozen storage time increasing. The frozen stability of noodle made with 35% mixing water content was less than 37.5 and 40%. In terms of the effect of milled fraction of flour, the raw noodles made from DNS F-2 flour showed higher G’ and G” than the raw noodles made from DNS F-1 flour. The wheat variety, HRW, showed the contrary result to DNS. The noodles made from F-1 flour showed higher G’ than the noodle made from F-2 flour, even the water contents of noodle after cooking were similar. Freeze-thaw treatment and frozen storage time affected the hardness and the tensile strength of frozen cooked noodle made from F-2 flour more than made from F-1 flour. Such results implied that the frozen stability of the noodle made from F-2 flour was worse than made from F-1 flour. In terms of the effect of gum addition, Xanthan gum addition promoted the stability of the noodles during cooking. Tamarind seed gum type A addition promoted the frozen stability.
Chou, Cheng-Hsueh, and 周承學. "Process optimization of an aluminum etching mixing system with multiple quality characteristics." Thesis, 2009. http://ndltd.ncl.edu.tw/handle/44044338447768603523.
Full textLin, Chun-Min, and 林忠民. "A Numerical Study of Multiple Jets of Mixing in a Sequential Burner." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/89552752746981940843.
Full text逢甲大學
機械工程學系
89
A numerical study is presented for the mixing with multiple jets into a sequential burner by using the equation turbulence model and the control-volume integration formula for finite difference and SIMPLEST algorithm to find more information of the various mixing configurations of the transverse jets. The mixing rate is increasing up for an opposite geometry of H/D=10 and S/D=6. On the same jets conditions (J≧40), the offset geometry has better mixing rate than the opposite geometry. For the staggered geometry at J≧20, the mixing rate is always higher than the opposite geometry. The optimum mixing location of the y-z plane is investigated in this paper. The staggered geometry could obtain a high mixing rate of 80﹪∼90﹪to burn on the y-z plane at X/D=0.5 as J≧40. For J=50, the mixing rate could reaches 70﹪on the y-z plane at X/D=0.25. From the numerical investigation, we can find the best mixing configuration and the cross-flow mixing conditions at the geometry of H/D=10 and S/D=6. It not only can reduce the burner size but also shows how the cross-flow development making the burner to have a long working time. Keywords: model, momentum flux ratio, mixing rate, sequential burner
Jeganmohan, Masilamani, and 捷格默罕. "Palladium-Catalyzed Addition Reactions of Electrophiles and Nucleophiles into Carbon-Carbon Multiple Bonds." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/90664295131001883864.
Full text國立清華大學
化學系
93
The thesis delineates the palladium catalyzed addition reactions of electrophiles and nucleophiles into carbon-carbon multiple bonds. This thesis is divided into four chapters. First chapter explains the synthesis of 1,7-enyne derivatives, the second chapter describes synthesis of 1,6-enynes, 1,6-enallenes and 1,6-dienes, the third chapter deals with the synthesis of substituted 2-arylallylgermanes, cyclicallylgermanes and cyclicallylsilanes and chapter 4 explains (E)-vinylicsilanes having allylstannanes in brief way. Chapter 1 describes palladium catalyzed propargylallylation reactions of activated olefins. The three component addition reaction of allylic chlorides and allenylstannaes with activated olefins in the presence of palladium catalyst affords 1,7-enyne derivatives with high regio-, stereo and chemoselectivity in good to excellent yields. The reaction proceeds with various substituted activated olefins. Furthermore, the reaction was successfully extended to an activated dienes. A plausible mechanism based on ��1-allenyl ��3-allyl palladium intermediate is proposed to account for the catalytic three-component reaction. Chapter 2 demonstrates the addition reactions of allylalkynyl, allylallenyl and allylalkenyl to benzynes in the presence of palladium catalyst. The reactions of allylic chlorides and alkynylstannanes into benzynes in the presence of palladium catalyst gave various 1-allyl-2-alkynylbenzenes in excellent yield. The reaction proceeds with various substituted benzyne precursors, allylic chlorides and alkynyl, allenyl and alkenylstannanes. This method allows an efficient synthesis of various 1-allyl-2-alkynylbenzenes, 1-allyl-2-allenylbenzenes and 1-allyl-2-alkenylbenzenes in good to excellent yields. Furthermore, the utility of 1-allyl-2-alkynylbenzenes in organic synthesis were successfully demonstrated with the synthesis of multiple rings. A possible mechanism for the present catalytic reaction is proposed. Chapter 3 describes the synthesis of substituted 2-arylallylgermanes in a highly regio-, stereo- and chemoselective fashion involving a three-component assembly of allenes, aryl iodides and stannylgermane catalyzed by phosphine-free palladium complexes. The present catalytic reaction is highly regioselective in which aryl group and metal add to the middle and unsubstituted terminal carbon of the allene moiety, respectively. In addition, the reaction is highly stereoselective to give Z-isomer as an exclusive product. Furthermore, the catalytic reaction was successfully extended into partially intermolecular version to give cyclic metal reagents with excellent yields. The high chemoselectivity of the present reaction is due to a favorable SE2 cyclic pathway involved in transemetalation step. The mechanism involving a face-selective coordination of allenes is proposed to account for the high stereoselectivity. Chapter 4 explains a highly regio- and stereoselective silylstannation of allenes using phosphine free palladium complexes. The addition reaction of trimethy(tributylstannyl)silane with allenes in the presence of phosphine-free palladium catalyst provided (E)-vinylicsilane having allylstannane moieties in excellent yield. The vinylic silanes and allyl stannanes present in these products allow for a large variety of chemical modifications. The nature of the ligand on the palladium complexes has a tremendous influence on the regio- and stereochemistry of present reactions.
Liu, Charng Hing, and 劉常興. "Addition of Acetylenees to Bicyclic Alkenes. Multiple Carbon- carbon Bond Formation Promated by palladium Complexes." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/28544260812987450500.
Full textBeyers, Frederik Johannes Conradie. "A Hilbert space approach to multiple recurrence in ergodic theory." Diss., 2004. http://hdl.handle.net/2263/30545.
Full textDissertation (MSc (Applied Mathematics))--University of Pretoria, 2007.
Mathematics and Applied Mathematics
unrestricted
Yang, Ting-Yi, and 楊庭懿. "Investigation on Sintering and Electrical Conductivity of Ceria-based Materials by Addition of Multiple Metal Oxides." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/pn46b6.
Full text國立臺灣大學
材料科學與工程學研究所
107
Ceria-based electrolyte materials are synthesized by an EDTA-citric acid method. Two samples, Ce0.9Sm0.1O2 (ST00) and Ce0.9Sm0.09Fe0.005Mn0.005O2 (S9HH) are prepared and sintered to single cubic fluorite structure and still kept within solution limit. The microstructure and electrical properties are analyzed, showing S9HH having >99% theoretical density (T.D.) observed by SEM after sintered at 1250 ℃ for 5 hr, and suitable for an electrolyte of solid oxide fuel cell. Bulk electrical conductivity of S9HH and ST00 is a liner relationship to the reverse of the temperature (1/T). The bulk electrical conductivity of S9HH samples is 7.15*10-2 S•cm-1 higher than that of ST00 samples 2.60*10-2 S•cm-1 at 800 ℃. Both of the activation energy of ceria-based materials are around 1.10-1.20 eV, indicating the same conductivity mechanism by oxygen vacancy/ion exchange and diffusion. After an aging treatment at 650 ℃ for a holding time of 500 h, the electrical conductivity of S9HH reduces to 3.11*10-2 S•cm-1, but still higher than that of ST00 1.60*10-2 S•cm-1 at 800 ℃. The electrical conductivity degradation in long-term aging is because of the formation of continues Sm-rich fluorite sub-micro grains.
ZHUANG, SHU-HAO, and 莊書豪. "Kinetic theory approach of the multiple plane jets turbulent mixing, combustion and HF chemical laser analysis." Thesis, 1986. http://ndltd.ncl.edu.tw/handle/44002686814203450808.
Full textPao-Min, Tseng, and 曾保閔. "Computerized multiple-choice and constructed response items the effectiveness of cognitive diagnosis- Elementary fraction addition and subtraction unit." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/16712316358095813719.
Full text國立臺中教育大學
教育測驗統計研究所
100
ABSTRACT Cognitive diagnostic testing is very important at a teaching scene. And whether testing results can represent students’ true abilities is even more important. Currently, most computer diagnostic tests are composed of mainly multiple-choice questions. However, students may guess correct answers, influencing accuracy of tests. This study designed two test papers with the “score adding and subtracting” section. One test paper contains all multiple-choice questions and the other contains constructed-response questions. Also an automatic analysis mechanism for constructed-response questions was developed to automatically analyzing testing results to reduce teachers’ burdens of reading and correcting students’ test papers. The DINA and DINO models were applied to perform analyses on the data from testing. Some improvement was made regarding the issue of influences of guessing and carelessness of multiple-choice questions. And the accuracy of cognitive concept and error type estimations was increased. Then through different test paper generation methods, the 5 constructed-response questions were categorized into 6 methods, including superordinate concept, subordinate concept, most single item concept, least single item concept, most wrong answers for a single item, and least wrong answers for a single item. The multiple-choice questions were transformed into constructed-response questions in order to improve analysis accuracy. The final goal was to create a best test paper with accuracy and time efficiency. The research findings include: 1. When the study designed the constructed-response questions and the diagnostic model testing, it was found that there was a wrong answer type different from multiple-choice questions in the sample, meaning this diagnostic testing could diagnose students’ diversified abilities. 2. The accuracy of the constructed-response question automatic analysis model developed by this study to diagnose wrong answer types was averagely 92.53%, meaning the performance of this testing diagnostic model was outstanding. 3. This study applied the DINA and DINO models to perform estimation and was able to efficiently increase the accuracy of computer diagnoses. 4. The test paper with the best performance was test paper #5. The accuracy was improved from 77.39% to 81.36%.
Chi-Te, Wu, and 吳啟得. "Computerized Multiple Choice Items and Performance Assessment for the Fifth Grade Math "Different Denominator Fraction Addition and Subtraction," Unit." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/86165924084336449907.
Full text亞洲大學
資訊工程學系碩士在職專班
99
The study of fifth grade to "cross-denominator fraction addition and subtraction" unit for the scope of the study, according to the teaching objectives, sub-skills, the type of error, so as to Bayesian inference network as a tool to establish a set of Bayesian network to computer-based diagnostic tests national minority subjects, the diagnosis of students' error types, provide teaching reference. The results are as follows: First analysis of "cross-denominator fraction addition and subtraction, "the teaching materials, the establishment of the concept of proposition from proposition based on the concept of a computerized diagnostic test, sampling by using Bayesian network as a post-analysis tools, inference and sub-types of errors the students skills. The results are as follows: 1. The self of the fifth grade of elementary school mathematics "different denominator fraction addition and subtraction,"unit test questions, the test of Cronbach's α value of 0.737, with questions of this study showed good reliability. 2. Students of computer-based diagnostic expert identification of the type of error and the correct type of error rates were 95.3333%, 95.3333%, 93%, 89%, construction problems of diagnosis the average correct response rate of 93.1667%. 3 Four models of sub-skills to identify the type of error rate and pattern of the overall average recognition rate were 90%, display mode helps to enhance the recognition rate.
HsinChen and 陳昕. "Quantification of Catechol Estrogen Modification on Serum Proteins by Multiple Reaction Monitoring and Standard Addition Using Liquid Chromatography-Mass Spectrometry." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/72ffhu.
Full textClemens, Karen E. "Along-coast variations of Oregon beach-sand compositions produced by the mixing of sediments from multiple sources under a transgressing sea." Thesis, 1987. http://hdl.handle.net/1957/27779.
Full textGraduation date: 1987
Mohebbi, Hamid Reza. "Parametric Interaction in Josephson Junction Circuits and Transmission Lines." Thesis, 2011. http://hdl.handle.net/10012/5973.
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