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Dissertations / Theses on the topic 'Oxygen kinetics'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 March 2023

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1

Olinde, Lindsay. "Sediment Oxygen Demand Kinetics." Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/42437.

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Hypolimnetic oxygen diffusers increase sediment oxygen demand (SOD) and, if not accounted for in design, can further exacerbate anoxic conditions. A study using extracted sediment cores, that included both field and laboratory experiments, was performed to investigate SOD kinetics in Carvinâ s Cove Reservoir, a eutrophic water supply reservoir for Roanoke, Virginia. A bubble-plume diffuser is used in Carvinâ s Cove to replenish oxygen consumed while the reservoir is thermally stratified. The applicability of zero-order, first-order, and Monod kinetics to describe transient and steady stat

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2

Fawkner, Samantha Gieva. "Oxygen uptake kinetics in children." Thesis, University of Exeter, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.393144.

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3

Violette, Steven M. "Oxygen Delignification Kinetics and Selectivity Improvement." Fogler Library, University of Maine, 2003. http://www.library.umaine.edu/theses/pdf/VioletteSM2003.pdf.

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4

Ji, Yun. "Kinetics and Mechanism of Oxygen Delignification." Fogler Library, University of Maine, 2007. http://www.library.umaine.edu/theses/pdf/JiY2007.pdf.

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5

Dogan, Ismail. "Mass Transfer And Kinetics In Oxygen Delignification." Phd thesis, METU, 2004. http://etd.lib.metu.edu.tr/upload/12605562/index.pdf.

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In this study, the kinetic analysis of oxygen delignification of Turkish southern hardwood Kraft pulp was carried out. Kraft pulp was obtained from Mopak Dalaman pulp and paper mill. The kinetic rate data were collected in a 1 L high pressure batch reactor. The delignification experiments were carried out under a wide range of industrially significant conditions of temperature (90, 100 and 110 oC), alkali charge (1, 3, 5% on oven dry pulp), and oxygen partial pressure (0.5, 3.5, 6.5 bar). In order to achieve this objective, the study is separated into different stages. In the first stage of th

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6

Bell, Christopher. "Control and modelling of oxygen uptake kinetics." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp02/NQ42497.pdf.

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7

Bauer, Timothy Alan. "Oxygen uptake kinetics in peripheral arterial disease." Diss., Manhattan, Kan. : Kansas State University, 2005. http://hdl.handle.net/2097/125.

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8

Walker, Forest P. "Kinetics of Arsenopyrite Oxidative Dissolution by Oxygen." Thesis, Virginia Tech, 2004. http://hdl.handle.net/10919/9881.

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The objective of this study is to use a mixed flow reactor system to determine the dissolution rate and infer potential mechanisms of arsenopyrite (FeAsS) oxidation by dissolved oxygen at 25°C and circumneutral pH. Release rates for iron, arsenic and sulfur are calculated for a variety of initial dissolved oxygen (DO) concentrations. Results indicate that the rate of arsenopyrite oxidation, represented by the rate law r = A(6.76 x 10-11) where the rate, r, is in mol/s and surface area, A, is in m2, is not significantly dependent on DO concentration. Arsenic and sulfur are released in a 1:1 mol

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9

Blumoff, Sonja. "Oxygen Uptake Kinetics in Severe Intensity Exercise." Thesis, University of North Texas, 2000. https://digital.library.unt.edu/ark:/67531/metadc2539/.

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The purpose of this study was to describe mathematically the oxygen uptake kinetics during cycle ergometry, and to examine the effect of intensity on the kinetic responses within the severe domain. Sixteen volunteers performed a series of exercise tests at a range of intensities selected to elicit fatigue in ~3 to 10 min. A simple mono-exponential model effectively described the response across all intensities. There was a positive correlation between the response time and the time to fatigue, demonstrating that the maximal oxygen uptake was achieved faster at higher intensities within the sev

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10

Wilkerson, Daryl P. "Oxygen uptake kinetics during supra-maximal intensity exercise." Thesis, Manchester Metropolitan University, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.424750.

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11

Claxton, David B. "The measurement of oxygen uptake kinetics in children." Thesis, Sheffield Hallam University, 1999. http://shura.shu.ac.uk/3152/.

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Traditional approaches to exercise testing in children may not provide the most appropriate measures of a child's physiological responses to exercise, partly because they do not reflect children's normal intermittent activity patterns. The measurement of the rate and magnitude of change of oxygen uptake to dynamic exercise, oxygen uptake kinetics (V02 KINETICS provides an alternative approach to exercise testing. A submaximal, intermittent, pseudo-random binary sequence (PRBS) exercise test to measure V02 KINETICS may provide a useful method of measuring the metabolic responses of children to

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12

Grant, Crystelle Kiyoko. "Influence of cardiac output on oxygen uptake kinetics /." Diss., CLICK HERE for online access, 2010. http://contentdm.lib.byu.edu/ETD/image/etd3341.pdf.

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13

Grant, Crystelle Kiyoko. "Influence of Cardiac Output on Oxygen Uptake Kinetics." BYU ScholarsArchive, 2009. https://scholarsarchive.byu.edu/etd/1989.

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The purpose of this study was to evaluate increased cardiac output (Q) on oxygen kinetics at exercise intensities above and below the lactate threshold (LT). We hypothesized the increase in Q using head-out water immersion (HOI) while treadmill running would reduce the rate constant of the fast component and reduce the amplitude of the slow component of oxygen kinetics compared with land treadmill running. Subjects (n=10) performed two 6 min exercise bouts at a 15% below and above the LT on a land and underwater treadmill following rest. A single exponential equation [VO2(t) = VO2(b) + A1•(1-e

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14

Rozier, Robert. "A study of the kinetics of lithium-oxygen reactions." Thesis, Massachusetts Institute of Technology, 1986. http://hdl.handle.net/1721.1/14896.

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15

Baumann, Frank Stephan. "Oxygen reduction kinetics on mixed conducting SOFC model cathodes." [S.l. : s.n.], 2006. http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-27056.

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16

Pringle, Jamie S. M. "The oxygen uptake slow component in human locomotion." Thesis, Manchester Metropolitan University, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.268988.

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17

O'Brien, Allison K. "The impact of oxygen on photopolymerization kinetics and polymer structure." Diss., Connect to online resource, 2005. http://wwwlib.umi.com/dissertations/fullcit/3165809.

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18

Lee, Michael. "Lignin model compound approach to modelling oxygen delignification reaction kinetics." Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/36962.

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The oxygen delignification stage is implemented in modern kraft pulp mills to cut the cost of producing bleached bright pulp and reduce emissions from the bleaching process. While several oxygen delignification kinetic models are presented in the literature, most models are derived from and limited to, specific pulp blends. In this work, an oxygen delignification kinetic model was developed based on lignin model compound chemistry found in the literature to create a universal kinetic model applicable to a range of pulp blends. The kinetic model splits the pulp into three reactive lignin groups

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19

Hsu, Chieh-Lung Jay. "Mass transfer and kinetics in oxygen delignification of wood pulp." Diss., Georgia Institute of Technology, 1987. http://hdl.handle.net/1853/10965.

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20

Turner, Anthony Pierce. "Pulmonary oxygen uptake kinetics and exercise intensity : inferences and implications." Thesis, University of Glasgow, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.407694.

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21

Berger, Nicolas J. A. "The effects of training and fitness on oxygen uptake kinetics." Thesis, University of Exeter, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.438372.

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22

Kilding, Andrew E. "Pulmonary oxygen uptake kinetics in middle-and long-distance runners." Thesis, Sheffield Hallam University, 2003. http://shura.shu.ac.uk/20739/.

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The overall aim of this thesis was to evaluate the importance of pulmonary oxygen uptake (VO[2]) kinetics, in the moderate-domain, in the assessment of endurance-trained runners. Accordingly, there were five objectives: 1) to quantify the reproducibility of measures of VO[2] kinetics; 2) to characterise and compare VO[2] kinetics during the on-and off-transients in middle-distance (MD) and long-distance (LD) runners; 3) to assess the relationship between VO[2] kinetics and maximal VO[2] (VO[2Max]), ventilatory threshold (V[T]) and running economy (RE); 4) to determine the relationship between

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23

Joos, Nathaniel Ian. "Surface oxygen exchange kinetics and oxygen diffusion rates in YSZ single crystals and mixed conducting oxides." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape8/PQDD_0007/MQ45897.pdf.

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24

Taylor, Craig A. (Craig Allan). "Kinetic Study of the Reactions of Oxygen Atoms with Nitric Oxide and Silane." Thesis, University of North Texas, 1992. https://digital.library.unt.edu/ark:/67531/metadc935556/.

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The rate constant for the reactions of oxygen atoms with nitric oxide and silane were determined using a discharge flow apparatus. A microwave discharge through O2N2 and Ar was used to produce oxygen atoms. The rate constant for the reaction O + NO + Ar was determined to be (7.0+0.4) x 10^32 cm^6 s^-1 and is in good agreement with previous measurements. Modeling of the O +SiH₄ reaction was performed to determine the correction to the rate constant due to secondary reactions. The rate constant for the reaction O + SiH₄ was determined to be (3.3 +/- 0.3) x 10⁻¹³ cm³ s⁻¹ and is in good agreement

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25

Stangl, Alexander. "Oxygen kinetics and charge doping for high critical current YBCO films." Doctoral thesis, Universitat Autònoma de Barcelona, 2019. http://hdl.handle.net/10803/667212.

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Els superconductors d'alta temperatura, especialment els cuprats en forma de cintes superconductores, tenen el potencial de formar part de la propera revolució tecnològica gràcies a les seves propietats superconductores extraordinàries i inigualables. Els àtoms d'oxigen tenen un paper essencial en aquests superconductors d’alta temperatura, on la superconductivitat es regeix pel dopatge de forats. En aquesta tesi, hem estudiat extensament tots els processos on l'oxigen està implicat, des de la incorporació inicial d'oxigen a l'estructura de l‘YBa2Cu3O7-δ i el mecanisme relacionat a aquesta inc

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26

Jarvis, David R. "Multifrequent work rate forcings in the assessment of oxygen uptake kinetics." Thesis, Sheffield Hallam University, 1999. http://shura.shu.ac.uk/19870/.

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During dynamic exercise, the response of the cardiorespiratory system is structured to maintain homeostasis at the cellular level. The rate at which homeostasis is established is largely dependent on the system's structural and physiological integrity. Evidence suggests that any impairment in the functioning of the system might be reflected in a determination of oxygen uptake (VO[2]) kinetics. The kinetics of VO[2] have been quantified in response to step, impulse, ramp and sinusoidal changes in work rate (WR). An alternative approach uses a technique in which the WR is perturbed according to

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27

Ahmed, Shamsuddin. "Kinetics of the reaction of oxygen with carbon and of the explosive reaction of carbon monoxide and oxygen." Thesis, University of Ottawa (Canada), 1986. http://hdl.handle.net/10393/4811.

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28

Moy, Andrew Peter. "Mean blood velocity and oxygen uptake kinetics in older and younger men." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/MQ58065.pdf.

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29

Jeans, Christopher. "Studies of the reduction kinetics of P680+ in oxygen evolving Photosystem II." Thesis, Imperial College London, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.369087.

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30

Baker, Jonathan. "The interaction between the oxygen uptake kinetics and the power-duration relationship." Thesis, Aberystwyth University, 2011. http://hdl.handle.net/2160/09701472-16dc-4156-b66b-53fda7cca581.

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The aim of the present thesis was to experimentally test hypotheses originally forwarded by Burnley and Jones (2007): that the kinetics interact with an individual’s capacity for substrate-level phosphorylation and maximal oxygen uptake to determine the power-duration relationship. Experiments were designed to manipulate the kinetics, the “anaerobic capacity,” and/or the maximal oxygen uptake, and determine the effect of these manipulations on the power-duration relationship. Prior high-intensity exercise was used to investigate the classic priming effect during subsequent high-intensity exerc

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31

Dascombe, Benjamin James, and b. dascombe@cqu edu au. "Pulmonary Oxygen Uptake and Muscle Oxygenation Responses to Exercise in Well-Trained Young and Middle-Aged Cyclists." Central Queensland University. Department of Health and Human Performance, 2007. http://library-resources.cqu.edu.au./thesis/adt-QCQU/public/adt-QCQU20070719.105750.

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This thesis details four consecutive research investigations which were designed to examine the effect of age on the pulmonary oxygen uptake (VO2)and muscle oxygenation (mOxy) responses to exercise in well-trained cyclists. (Abridged)

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32

DiMenna, Fred J. "The influence of muscle fibre recruitment on VO2 kinetics." Thesis, University of Exeter, 2010. http://hdl.handle.net/10036/106719.

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When O2 uptake at the lung is used to characterise the oxidative metabolic response to increased contractile activity ( O2 kinetics) in exercising muscle, the O2 profile reflects the combined influence of all involved muscle fibres. Consequently, during high-intensity exercise that mandates activation of fibres with considerable metabolic diversity (e.g., both principal fibre types), response characteristics specific to discrete segments of the recruited pool cannot be determined. The purpose of this thesis was to identify fibre-type-specific effects of conditions that might impact O2 delivery

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33

Skiba, Philip Friere. "The kinetics of the work capacity above critical power." Thesis, University of Exeter, 2014. http://hdl.handle.net/10871/15727.

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The critical power (CP) model includes two constants: the CP and the W′ [P = W′ / t) + CP]. The W′ is the finite work capacity available above CP. Power output above CP results in depletion of the W′; complete depletion of the W′ results in exhaustion. It is possible to model the charge and discharge of the W′ during intermittent exercise using a novel integrating model (the W′BAL model), and to generate a function describing a curvilinear relationship between time constants of reconstitution of the W′ in terms of the difference between recovery power and CP (DCP) (r2 = 0.77). The depletion of

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34

Walsh, Timothy Simon. "Oxygen kinetics and energy expenditure in fulminant hepatic failure and during liver transplantation." Thesis, University of Edinburgh, 1999. http://hdl.handle.net/1842/27613.

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The purpose of this thesis was to examine aspects of oxygen transport and uptake in patients with acute chronic liver disease with specific reference to the management of fulminant hepatic failure (FHF) and the intraoperative management of patients undergoing liver transplantation. A prospective randomised controlled study was carried out in patients with FHF with two major objectives: first to compare the reverse Fick method of calculating oxygen consumption (VO<SUB>2</SUB>) with a gas exchange method. Second, to evaluate the effect of the drug N-acetylcysteine in patients with FHF which prev

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35

Wang, Yongqiang. "Oxygen kinetics in the laccase-catalyzed removal of cresols and phenol from water." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/MQ62299.pdf.

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36

Paggiosi, Margaret Anne. "Oxygen uptake kinetics in the frequency domain as a test for cardiorespiratory fitness." Thesis, Sheffield Hallam University, 1998. http://shura.shu.ac.uk/20158/.

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Oxygen uptake kinetics describe the characteristics of the rate of change of VO[2] in response to the onset of exercise or a change in work rate. There is a lack of knowledge concerning the use of VO[2] kinetics in the frequency domain as a test for cardiorespiratory fitness. The PRBS exercise test has been developed to study the dynamic responses of the cardiorespiratory system to random changes in submaximal work rate. This exercise test technique provides a multi-frequent assessment of VO[2] kinetics that can be expressed in terms of amplitude (ml-min[-1]W[-1]) or phase shift (degrees) over

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37

Bowman, Sherrie S. "Atomic and Molecular Oxygen Kinetics Involved in Low Temperature Repetitively Pulsed Nonequilibrium Plasmas." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1370365358.

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38

Forlines, Robert Alan. "Laser Initiated Chain Reactions: The Kinetics of the Chlorine/Cyclohexane/Oxygen Chain System." Wright State University / OhioLINK, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=wright1182792546.

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39

Dynkin, Alexey. "Effects of strontium doping on oxygen reduction kinetics in thin-film LSCF cathodes." Thesis, Boston University, 2013. https://hdl.handle.net/2144/12092.

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Thesis (M.S.)--Boston University<br>Dense films of the mixed ionic-electronic conductor lanthanum strontium cobalt fenite (La1-xSrxCo0.2Fe0.8O3-δ) with x= 0.4, 0.3 and 0.2 (thereafter refened to as LSCF-6428, LSCF-7328 and LSCF-8228) were deposited in fixed patterns on yttria-stabilized zirconia (YSZ) substrates on top of a gadolinium-doped ceria (GDC) barrier layer by pulsed laser deposition (PLD) at the Pacific Northwest National Laboratory (PNNL) in Richland, WA. A counter electrode of porous 50-50 wt %/48.3-51.7 vol.% LCMIYSZ was screen-printed on the opposite side of the substrates. Elect

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40

McNulty, Craig R. "The complex reality of VO2 kinetics to steady state: Reassessment of the models used to quantify and interpret VO2 kinetics, steady state, and time to steady state." Thesis, Queensland University of Technology, 2017. https://eprints.qut.edu.au/108025/2/Craig_McNulty_Thesis.pdf.

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This thesis developed new methods of modelling oxygen uptake in exercising humans during cycling exercise sessions to steady-state. The results will contribute to the redefinition of conventional methods of data acquisition, processing, and modelling across exercise physiology, sports science, and respiratory disease research and application. The thesis identified misconceptions within current methods of data handling, and proposed innovative methods for improved data modelling.

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41

Chan, Wing-wai Stephen, and 陳永偉. "The comparison of recovery kinetics of oxygen consumption and heart rate between children and adults: a practicalsuggestion on maximizing the usage of recovery kinetics in clinicalsetting." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B31257367.

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42

Hertz, Joshua L. (Joshua Lee). "Microfabrication methods to improve the kinetics of the yttria stabilized zirconia -- platinum -- oxygen electrode." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/37354.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 2006.<br>This electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.<br>Includes bibliographical references (p. 183-194).<br>Solid oxide fuel cells are a potential electrical power source that is silent, efficient, modular, and capable of operating on a wide variety of fuels. Unfortunately, current technologies are severely limited in that they provide sufficient power output only at very high temperatures (>8

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43

Jester-Weinstein, Jack (Jack L. ). "Progress in an oxygen-carrier reaction kinetics experiment for rotary-bed chemical looping combustion." Thesis, Massachusetts Institute of Technology, 2013. http://hdl.handle.net/1721.1/83722.

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Thesis (S.B.)--Massachusetts Institute of Technology, Department of Mechanical Engineering, 2013.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (page 44).<br>The design process for an experimental platform measuring reaction kinetics in a chemical looping combustion (CLC) process is documented and justified. To enable an experiment designed to characterize the reaction kinetics of the reduction/oxidation cycle in a rotary channeled oxygen carrier, a platform was designed to deliver controlled conditions of temperature and gas flow around a central disc of oxyg

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44

De, Jager Debbie. "Streptomyces coelicolor biofilm growth kinetics and oxygen mass transfer within a membrane gradostat bioreactor." Thesis, Cape Peninsula University of Technology, 2009. http://hdl.handle.net/20.500.11838/892.

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Thesis (MTech (Chemical Engineering))--Cape Peninsula University of Technology, 2009<br>The main purpose of this study was to quantify the growth and oxygen mass transfer kinetic parameters of the filamentous bacterium Streptomyces coelicolor, immobilised on the external surface of a ceramic membrane in a continuously operated pressurised Membrane Gradostat Bioreactor (MGR). One of the most important and critical parameters required when studying biofilms, are the growth kinetics, as they can be utilised to model both the mass transfer and biological reactions occurring within the biof

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45

Li, Hao. "Kinetics and Mechanisms of the Oxidation Processes for Unsaturated-Hydrocarbon-Modified Scavengers." University of Toledo / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1279218555.

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46

Li, Qian. "Electrochemical reduction of oxygen." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:2f37a1ae-dab0-4581-a8fd-e01ce59246c4.

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The main aim of the work reported is the design of proof-of-concept of at point-of-use hydrogen peroxide electrogeneration from air. The experimental work discussed within this thesis explores five major areas: the kinetics of electrocatalysis, ion-pairing, change of solvent media, the electrode surface modication by a redox mediator, and the electrochemical reduction of oxygen within enhanced mass transport systems. The electrocatalytic rates and mass transport of two oxygen reduction redox meditors, viz. anthraquinone and methyl viologen, are studied in aqueous solutions. The investigation i

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47

Lepikhin, Nikita. "Fast energy relaxation in the afterglow of a nanosecond capillary discharge in nitrogen/oxygen mixtures." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLX087/document.

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L'objectif principal du présent travail était d'étudier, comment la cinétique du plasma change dans les conditions de dépôt d'énergie spécifique élevé dans des champs électriques réduits élevé. La décharge capillaire nanoseconde a été utilisée comme outil expérimental. Les mesures sont effectuées dans l'azote pur et dans les mélanges azote/oxygène. Les paramètres électriques de la décharge sont mesurés: la tension appliquée, le dépôt d'énergie, le champ électrique et le courant électrique. Les spectres de l'émission optique de la décharge sont obtenus. La densité électronique dans les impulsio

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48

McNarry, Melitta Anne. "The influence of training status on the physiological responses to exercise of young girls." Thesis, University of Exeter, 2010. http://hdl.handle.net/10036/3043.

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Exercise training represents a potent stimulus to the parameters of aerobic and anaerobic fitness in adults; whether the same is true in young girls is unclear. For some parameters, such as peak oxygen uptake, the influence of training status remains controversial whilst for other parameters, such as oxygen uptake kinetics, the influence of training status remains simply uninvestigated in young girls. Despite this lack of empirical evidence, it has been suggested for some time now that children may lack trainability and that this may be related to the presence of a maturational threshold below

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49

Hickson, Kevin Michael. "A study of several reactions relevant to atmospheric ozone chemistry." Thesis, University of Birmingham, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343854.

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50

Koep, Erik Kenneth. "A Quantitative Determination of Electrode Kinetics using Micropatterned Electrodes." Diss., Georgia Institute of Technology, 2006. http://hdl.handle.net/1853/10524.

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Interfacial polarization resistances limit the performance of many thin film solid-state devices, especially at low temperatures. To improve performance, a fundamental understanding of the electrode kinetics that govern interfacial reaction rates must be developed. The goal of this work is to determine site-specific reaction mechanisms and the relative significance of various reactions in order to quantify optimum structural parameters within the cathode microstructure. Key parameters include the length of triple phase boundary (TPB), the quantity of exposed electrolyte/electrode surface, a

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