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Dissertations / Theses on the topic 'Mixture composition'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

McNerlin, Malcolm George. "Mixture composition changes in refrigeration and heat pump systems." Thesis, University of Ulster, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.326337.

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2

Sørensen, Caroline S. M. Massachusetts Institute of Technology. "Measurement of flame propagation through step changes in mixture composition." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/104265.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2016.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 51-53).<br>Flame speed is a central metric in the field of combustion. While particular mixtures have characteristic flame speeds, it has also been shown that in compositionally stratified mixtures, flames exhibit a path dependency, or memory effect. The goal of the experimental work presented in this thesis was to investigate the behavior of flame speed over step changes in equivalence ratios. This sharp stratif

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3

Bear, John Stanley, and John Stanley Bear. "A Logistic Normal Mixture Model for Compositions with Essential Zeros." Diss., The University of Arizona, 2016. http://hdl.handle.net/10150/621758.

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Compositions are vectors of nonnegative numbers that sum to a constant, usually one or 100%. They arise in a wide array of fields: geological sampling, budgets,fat/protein/carbohydrate in foods, percentage of the vote acquired by each political party, and more. The usual candidate distributions for modeling compositions -- the Dirichlet and the logistic normal distribution -- have density zero if any component is zero. While statistical methods have been developed for "rounded" zeros, zeros stemming from values below a detection level, and zeros arising from count data, there remain problems w

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4

Touse, Elizabeth J. "Transmission of a detonation wave across a sudden expansion with varying mixture composition." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2003. http://library.nps.navy.mil/uhtbin/hyperion-image/03Dec%5FTouse.pdf.

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Thesis (M.S. in Astronautical Engineering)--Naval Postgraduate School, December 2003.<br>Thesis advisor(s): Christopher M. Brophy, Jose O. Sinibaldi. Includes bibliographical references (p. 75-76). Also available online.

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lehman, joshua h. "Optimizing Gas Mixture Composition for the RTPC Detector for BONuS 12 at Jefferson Lab." VCU Scholars Compass, 2019. https://scholarscompass.vcu.edu/etd/5810.

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The main objective of this thesis is to perform a study of and optimize the most direct and practical gas mixture composition inside the Radial Time Projection Chamber for the Barely-Offshell Nucleon Structure (BONuS 12) detector for use in the CLAS 12 detector in Experimental Hall B at Thomas Jefferson National Accelerator Facility (JLab). The optimization of these conditions will enhance the performance and resolution of the detector. The original BONuS 6 experiment utilized a gas composition of 80 % He and 20% Dimethyl Ether (DME). With the extensive 12 GeV energy upgrade constructed at JLa

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6

Cavalcanti, Walker B. "The effect of ingredient composition on the physical quality of pelleted feeds : a mixture experimental approach /." Search for this dissertation online, 2004. http://wwwlib.umi.com/cr/ksu/main.

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7

Kalva, Vinayak Teja. "Modeling the evolution of composition of the fuel and lubricant mixture on the cylinder wall in internal combustion engines." Thesis, Massachusetts Institute of Technology, 2017. http://hdl.handle.net/1721.1/111750.

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Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2017.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 92-93).<br>Improvements in engine efficiency are necessary for the advancement of modem engine technology. Fuels and lubricants used in internal combustion (IC) engines play an important role in governing the engine efficiency. In IC engines some amount of fuel spray can eventually end up on the cylinder liner. This fuel spray mixes with the oil (lubricant) present on the liner. Now the liquid layer on the liner

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Barragán, Vidal Israel Abraham [Verfasser], Marcus [Akademischer Betreuer] Müller, and Annette [Akademischer Betreuer] Zippelius. "The interplay between curvature and composition in binary mixture lipid bilayers / Israel Abraham Barragán Vidal. Betreuer: Marcus Müller. Gutachter: Marcus Müller ; Annette Zippelius." Göttingen : Niedersächsische Staats- und Universitätsbibliothek Göttingen, 2016. http://d-nb.info/109675195X/34.

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9

Menarini, Lorenzo. "The design of the experiment applied to ceramic tile technology: from the optimization of the mixture composition to the evaluation of the process parameters." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019.

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In the last decades, the ceramic world has increased its interest in developing tile formats larger and larger, using mainly the porcelain stoneware as type of material. Therefore the ceramic machine producer must adapt their products creating processes capable to follow this will. This thesis will focus on two different, but connected, works to manage the trend of this market. The first one is about the optimization of the procedure for the mixture creation, to reach a new high level of precision in foreseeing the mixture composition and the firing temperature for the creation of a tile with

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Skaburskytė, Kristina. "Žirnių ir vikių mišinio įtaka karvių pieno sudėties rodikliams." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2013. http://vddb.laba.lt/obj/LT-eLABa-0001:E.02~2013~D_20130426_104435-79866.

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Šio darbo tikslas buvo išanalizuoti ir įvertinti žirnių ir vikių mišinio įtaką pieno sudėčiai X ūkyje. Tikslui pasiekti buvo iškelti šie uždaviniai: 1. Išanalizuoti žirnių ir vikių mišinio įtaką pieno kiekiui ir sudėčiai. 2. Palyginti pieno sudėties rodiklius ganykliniu ir tvartiniu laikotarpiais. 3. Apibendrinti tyrimų rezultatus, pateikti išvadas ir pasiūlymus. Išvados: 1. Karvių, šertų žirnių ir vikių mišinio grūdų koncentruotaisiais pašarais, vidutinis pieno riebumas 0,08 proc.ir baltymingumas 0,04 proc. buvo mažesnis nei karvių, kurios buvo šertos visaverčiais kombinuotais pašarais. 2. Ka

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Wollin, Stephanie. "Effects of a medium chain triglyceride oil mixture and alpha lipoic acid diet on body composition, antioxidant status and plasma lipid levels in the Syrian hamster." Thesis, McGill University, 2003. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=79204.

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The objective of this study was to examine the effects of a medium chain triglyceride oil mixture (MCTo), designed to increase energy expenditure and improve lipid profiles containing medium chain triglycerides, phytosterols and n-3 fatty acids in the form of flaxseed oil, versus the antioxidant alpha-lipoic acid (ALA). Forty-eight hamsters were fed (i) hypercholesterol emic (HC) control, (ii) HC MCTo, (iii) HC ALA, (iv) HC MCTo/ALA diets for 4 weeks. No effects on food intake, body weight, total body water, lean body mass, fat mass, and tissue thiobarbituric acid-reactive substances (T

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Bjarnason, Brynjar Smári. "Clustering metagenome contigs using coverage with CONCOCT." Thesis, KTH, Skolan för datavetenskap och kommunikation (CSC), 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-208944.

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Metagenomics allows studying genetic potentials of microorganisms without prior cultivation. Since metagenome assembly results in fragmented genomes, a key challenge is to cluster the genome fragments (contigs) into more or less complete genomes. The goal of this project was to investigate how well CONCOCT bins assembled contigs into taxonomically relevant clusters using the abundance profiles of the contigs over multiple samples. This was done by studying the effects of different parameter settings for CONCOCT on the clustering results when clustering metagenome contigs from in silico model c

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13

Hopkins, Ian. "Surface composition profiles in some polymer mixtures." Thesis, Durham University, 1994. http://etheses.dur.ac.uk/5518/.

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The surface composition of selected polymer mixtures has been studied to a depth of circa 4000Å with a resolution of up to l0Å using neutron reflectometry (NR) and nuclear reaction analysis (NRA). The effective interaction parameters, X, of several blends have been measured as a function of both composition and temperature, using Small Angle Neutron Scattering (SANS) and the incompressible random phase approximation, in order to understand the surface segregation behaviour of the polymer blends. No surface segregation was observed in annealed blends of syndiotactic poly (methyl methacrylate) (

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Jensen, Soren Ross. "Composition and biodegradation potential of polychlorinated alkane mixtures." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=82604.

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A Monte Carlo Model was developed to simulate the free-radical chlorination of n-alkanes by which polychlorinated alkane mixtures are produced. The model parameters were the relative reactivity of the hydrogen atoms on the alkane chain to chlorine free-radical substitution. The values of the parameters were determined by free-radical chlorination experiments; by interpolation of data from these experiments or from data in the literature. The result of the model is a complete characterization of the molecular composition of PCA mixtures of any carbon chain length and degree of chlorinati

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15

Bumajdad, Ali Y. E. A. "Phase structure and interfacial composition of mixed surfactant microemulsions." Thesis, University of Bristol, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.322358.

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16

Chonde, Daniel Burje. "Spirometer techniques for measuring molar composition in argon carbon dioxide mixtures." Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/40905.

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Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Physics, 2007.<br>Includes bibliographical references (p. 53-54).<br>This paper examines a new technique for measuring gas composition through the use of a spirometer. A spirometer is high precision pressure transducer which measures the speed of sound in a gas through the emission and reception of ultrasonic pulses, commonly used in medicine to measure patient lung capacity. The spirometer was successfully calibrated to measure gas composition to an accuracy of 1.75% ± 1.23% by ratio by weight. By using a spirometer, the speed of

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17

Sanchez, Gil Yaritza M. "Characterization and rheological properties of Camelina sativa gum: interactions with xanthan gum, guar gum, and locust bean gum." Thesis, Kansas State University, 2014. http://hdl.handle.net/2097/32789.

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Master of Science<br>Department of Biological & Agricultural Engineering<br>Donghai Wang<br>Gums are water-soluble polysaccharides used in many industrial and food applications because of their functions such as thickening, gelling, emulsification, adhesion, and encapsulation. Interactions between gums are conducted to enhance functional properties of finished products and reduce processing costs. In this study, camelina gum, from the oil-seed plant Camelina sativa, is characterized by carbohydrate composition and morphological, thermal, and rheological properties. Interactions with xanthan gu

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Widia. "Variation of density with composition for natural gas mixtures in the supercritical region." Texas A&M University, 2003. http://hdl.handle.net/1969.1/1094.

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The densities of three different natural gas mixtures (Case A, Case B, and Case C) were evaluated at pressures from 14 to 38 MPa (2000 to 5500 psia) and temperatures from 230 K to 350 K by using SonicWare? and NIST-14 software packages. The chosen pressures and temperatures were based on the phase diagrams for each composition and the probability of encountering such conditions in reservoir or pipeline environment. For each isotherm, the heaviest hydrocarbon was varied from 0 to 1 mole percent in increments of 0.001 (Dx=0.001) and the density calculated for each composition. After the densi

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19

Russell, Elizabeth F. (Elizabeth Fiona). "Influence of ammonium lignosulfonate fertilizer mixtures on corn (Zea mays L.) growth and nutrient composition." Thesis, McGill University, 1992. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=61168.

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Fertilizer P fixation and fertilizer N losses in soils may be reduced through additions of polyphenolic compounds. The influence of ammonium lignosulfonate (NH$ sb4 sp+$-LS) on triple superphosphate (TSP) efficiency was investigated in a soil incubation study using three Quebec soils and in a growth bench study using one soil. For the incubation study, soils were analyzed for pH and P extractability, as a function of NH$ sb4 sp+$-LS rate and time. In the growth bench study, TSP and NH$ sb4 sp+$-LS were applied at varying rates and corn (Zea mays L.) dry matter yields and nutrient compositions

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Ayub, Muhammad. "The yield and chemical composition of cereal-legume mixtures with particular reference to forage production." Thesis, Bangor University, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.334447.

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21

ASCARI, ROBERTO. "A family of Flexible mixture distributions for constrained data." Doctoral thesis, Università degli Studi di Milano-Bicocca, 2019. http://hdl.handle.net/10281/241237.

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Alcune classi di dati sono definite su spazi matematici diversi dal classico spazio reale a D dimensioni. Ad esempio, i dati composizionali sono contenuti nel simplesso, cioè lo spazio dei vettori positivi con componenti che sommano all’unità. Questi dati si possono trovare in molti campi (geologia, medicina, economia, psicologia, etc.) e quindi la definizione di una qualche metodologia atta alla loro analisi è necessaria. La distribuzione più famosa definita sul simplesso è la Dirichlet. Nonostante essa abbia numerose proprietà matematiche, in molte applicazioni reali essa non si adatta molt

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22

Zhu, Qingyong, Geoffrey D. Moggridge, and Carmine D’Agostino. "A local composition model for the prediction of mutual diffusion coefficients in binary liquid mixtures from tracer diffusion coefficients: A local composition model for the prediction of mutual diffusioncoefficients in binary liquid mixtures from tracer diffusion coefficients." Diffusion fundamentals 24 (2015) 58, S. 1, 2015. https://ul.qucosa.de/id/qucosa%3A14577.

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23

Comas, Cufí Marc. "Aportacions de l'anàlisi composicional a les mixtures de distribucions." Doctoral thesis, Universitat de Girona, 2018. http://hdl.handle.net/10803/664902.

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The present thesis is a compendium of three original works produced between 2014 and 2018. The papers have a common link: they are different contributions made by compositional data analysis to the study of the models based on mixtures of probability distributions. In brief, we could say that compositional data analysis is a methodology that consists of studying a sample of measures that are strictly positive from a relative point of view. Mixtures of distributions are a specific type of probability distribution defined to be the convex linear combination of other distributions<br>La pr

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Serpe, Gaétan. "Morphologie et permeabilite des melanges polyethylene-polyamide." Paris 6, 1988. http://www.theses.fr/1988PA066536.

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Etude des proprietes hydrodynamiques du melange (vitesse de cisaillement, temperature, tension interfaciale, viscosite) et de la technique de mise en forme utilisee en relation avec la taille moyenne de la dispersion. Analyse de la morphologie montrant que la taille moyenne de la phase dispersee resulterait d'un equilibre entre un effet de fragmentation et un effet de coalescence des nodules. Formation d'un copolymere greffe par addition au melange d'un copolymere ethylene-anhydride maleique

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Blondeau, Julia. "Espaces compositionnels et temps multiples : de la relation forme/matériau." Electronic Thesis or Diss., Paris 6, 2017. http://www.theses.fr/2017PA066292.

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Si les questions du temps, du matériau, de la forme et de leurs relations sont des questions centrales pour les compositeurs, il importe de se demander si la vieille dichotomie entre forme et matériau n’est pas à repenser en regard des nouveaux dispositifs susceptibles d’amener une appréhension à la fois plus fine et plus globale des diverses dimensions temporelles. Dans le cas plus précis de la musique mixte, la question que nous étudions est la suivante : dans quelle mesure l’existence d’un continuum entre les notions de forme et de matériau est-elle liée à la composition consciente d’entrel

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Aleshire, Emily Browning. "Forage Systems for the Southeastern United States: Crabgrass and Crabgrass-Lespedeza Mixtures." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/34206.

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Crabgrass is a warm-season annual species that has the potential to provide high-quality summer forage for ruminants in the transition zone between subtropical and temperate regions of the United States. Growing annual lespedeza in association with crabgrass may be beneficial due to nitrogen transfer from the legume to the grass. The objectives of the research reported in this thesis were to (1) determine the effects of pH on establishment and growth of crabgrass; and (2) evaluate the effects of lespedeza seeding rate and N fertilization treatment on the yield, botanical composition, and nut

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Blondeau, Julia. "Espaces compositionnels et temps multiples : de la relation forme/matériau." Thesis, Paris 6, 2017. http://www.theses.fr/2017PA066292/document.

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Si les questions du temps, du matériau, de la forme et de leurs relations sont des questions centrales pour les compositeurs, il importe de se demander si la vieille dichotomie entre forme et matériau n’est pas à repenser en regard des nouveaux dispositifs susceptibles d’amener une appréhension à la fois plus fine et plus globale des diverses dimensions temporelles. Dans le cas plus précis de la musique mixte, la question que nous étudions est la suivante : dans quelle mesure l’existence d’un continuum entre les notions de forme et de matériau est-elle liée à la composition consciente d’entrel

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Zhu, Qingyong, Geoffrey D. Moggridge, and Carmine D’Agostino. "A local composition model for the prediction of mutual diffusion coefficients in binary liquid mixtures from tracer diffusion coefficients." Universitätsbibliothek Leipzig, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:15-qucosa-198798.

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Vu, Duc Thach Son. "Numerical resolution of algebraic systems with complementarity conditions : Application to the thermodynamics of compositional multiphase mixtures." Electronic Thesis or Diss., université Paris-Saclay, 2020. http://www.theses.fr/2020UPASG006.

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Dans les simulateurs de réservoir, la prise en compte des lois d’équilibre thermodynamique pour les mélanges polyphasiques d'hydrocarbures est une partie délicate. La difficulté réside dans la gestion de l'apparition et de la disparition des phases pour différents constituants. L'approche dynamique traditionnelle, dite de variable switching, consiste à ne garder que les inconnues des phases présentes et les équations relatives à celles-ci. Elle est lourde et coûteuse, dans la mesure où le « switching » se produit constamment, même d'une itération de Newton à l'autre.Une approche alternative, a

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Harrison, Alexander James. "Molecular simulation studies of adsorption of fuel components and their mixtures in engine deposits." Thesis, University of Edinburgh, 2016. http://hdl.handle.net/1842/20399.

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Carbonaceous deposits accumulate on the majority of the inner surfaces of internal combustion engines. The presence of these deposits is known to cause impaired engine performance. This is manifested as increased knocking, higher fuel consumption, higher emissions and other adverse effects. One of the proposed mechanisms for this behaviour is the adsorption and desorption of fuel components in the pores within the deposit. The porous nature of the deposits promotes this behaviour, altering the fuel composition and reducing the amount of fuel entering the combustion chamber. Previous research i

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Barlow, Rebecca Louise. "Yield, Quality, and Botanical Composition of AUtumn-Accumulated Grass-Legume Mixtures and Digestibility of Ensiled Autumn-Accumulated Orchardgrass and Alfalfa." Thesis, Virginia Tech, 2003. http://hdl.handle.net/10919/9841.

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Beef cattle producers in the southeastern US often stockpile forage in late summer to extend the grazing season and reduce feeding costs. Three stockpiled grass-legume mixtures were evaluated for winter grazing. In addition, stockpiled forages were ensiled and evaluated as livestock feed. Four accumulation dates and seven harvest dates were randomized to small plots of tall fescue (Festuca arundinacea Schreb.) -red clover (Trifolium pratense L.), orchardgrass (Dactylis glomerata L.) -red clover, and orchardgrass-alfalfa (Medicago sativa L.). The amount of grass and legume in the fescue-red clo

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Covarrubias, Acosta Sabina. "Pour une écriture multimédia dans la composition musicale." Thesis, Paris 8, 2016. http://www.theses.fr/2016PA080116/document.

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Ce travail a pour but principal de répondre à certaines difficultés de notation rencontrées par les compositeurs. Dans un premier temps, nous nous se proposons de montrer les limites du système d’écriture musicale occidentale (SEMO) dans la notation de certains éléments de la musique et, dans un deuxième temps, de montrer les avantages qu’offre l’utilisation de l’écriture multimédia (EM). Les résultats de ce travail, obtenus à partir de six « expériences-projets de composition », montrent l’efficacité de l’EM : un ensemble de procédés qui permettent l'utilisation simultanée de plusieurs modes

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Kiliswa, Moses Wopicho. "Composition and microstructure of concrete mixtures subjected to biogenic acid corrosion and their role in corrosion prediction of concrete outfall sewers." Doctoral thesis, University of Cape Town, 2016. http://hdl.handle.net/11427/20363.

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Wastewater conveyance and treatment facilities, which include outfall sewers, manholes, and treatment works, are among the key constituents of a country's infrastructure. Most of these facilities are made of concrete due to its low production costs, versatility, inherent strength and durability under most conditions. However, under certain conditions, sewage that is conveyed through outfall sewers becomes septic and hydrogen sulphide (H2S) gas is generated. When this gas is released from the sewage and absorbed onto the moist concrete sewer pipe walls, it is microbially converted by sulphide-o

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Fernández, José Miguel. "Vers un système unifié d’interaction et de synchronisation en composition électroacoustique et mixte : partitions électroniques centralisées." Electronic Thesis or Diss., Sorbonne université, 2021. http://www.theses.fr/2021SORUS420.

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Avec l’avènement de l’informatique, de nouveaux champs de recherche compositionnelle et sonore se sont ouverts. Mais si l’on voit depuis des années une pléthore de générateurs de son et de nouvelles techniques de synthèse, il y a peu de propositions d’outils qui adressent le contrôle et la construction formelle musicale électronique à plusieurs niveaux et qui permettent une intégration fine de l’écriture et des processus électroniques. Le travail initié dans cette thèse vise à développer, dans le contexte des musiques interactives mixtes, électroacoustiques et audiovisuelles en temps réel, une

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Santos, Franceska Anna. "Phase Behavior and Rheology of Latex, Thickener, Surfactant Mixtures and Liquid Crystal Based Compositions for Printing High-Efficiency Flexible Electronics." DigitalCommons@CalPoly, 2013. https://digitalcommons.calpoly.edu/theses/1151.

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This project consists of two parts. One area of focus in the first part is understanding the interactions between a non-ionic, block copolymer type dispersant and hydrophobically-modified, ethoxylated urethane (HEUR) associative thickeners in water. The dispersant was mixed at various concentrations (0-2% by weight) with HEUR thickeners at 1% by weight concentration in the aqueous medium. This study is an integral part of our attempts to determine mechanisms of viscosity drop when colorant dispersions are added to latex tint base formulations thickened with associative thickeners. One of the H

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Tang, Fenfen. "Metabolic profiling of complex mixtures using novel NMR-based approaches and chemometrics: Pomegranate juice as a case study." The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1575485567931001.

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Sousa, Dias António de. "L'objet sonore : situation, évaluation et potentialités : un paradigme pour la création d'outils de composition musicale." Paris 8, 2005. http://www.theses.fr/2005PA082612.

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Nous proposons une étude sur les potentialités compositionnelles résultant de la conjonction de la notion d'objet sonore et du transfert progressif des technologies musicales vers le milieu numérique. Partant de l'objet sonore de Schaeffer et parcourant les écrits d’autres auteurs (Bayle, Smalley, Wishart), nous en arrivons au concept d'objet sonore numérique de Vaggione qui articule cette conjonction. Il en découle deux conséquences : la constatation de l'élargissement de l'écriture musicale et une attitude compositionnelle fondée sur l’idée de l’oeuvre comme le résultat d’une interface vers

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Heller, Bettina [Verfasser], Florian [Akademischer Betreuer] Maier, Hans-Peter [Gutachter] Steinrück, and Jürgen [Gutachter] Schatz. "Surface Composition and Enrichment Effects in Mixtures of Functionalized and Non-Functionalized Ionic Liquids / Bettina Heller ; Gutachter: Hans-Peter Steinrück, Jürgen Schatz ; Betreuer: Florian Maier." Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2020. http://d-nb.info/1212242580/34.

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Caires, Carlos Miguel Marques da Costa. "Algorithmes de composition : exemples d'outils informatiques de génération et manipulation du matériau musical : parcours entre l'instrumental et l'électroacoustique." Paris 8, 2006. http://octaviana.fr/document/143284983#?c=0&m=0&s=0&cv=0.

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Le développement d'environnements de composition assistée par ordinateur, destinés à la formalisation informatique de structures musicales, a constitué pendant la deuxième moitié du XX Siècle une importante avancée pour l'écriture contemporaine. À partir d'une réflexion sur l'influence que tels environnements ont apportée à la composition musicale, cette étude proposera un ensemble d'outils CAO qui essayeront de donner une nouvelle approche vis-à-vis de cette problématique. La recherche s'appuiera principalement sur mon expérience personnelle en tant que compositeur et sera orientée à partir d

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Vyhnalkova, Renata. "Morphologies and corona compositions in aggregates of mixtures of PS-b-PAA and PS-b-P4VP block copolymers as influenced by controllable assembly parameters." Thesis, McGill University, 2005. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=98513.

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The present study is devoted to the morphologies and corona compositions in aggregates of mixtures of PS-b-PAA and PS-b-P4VP block copolymers as influenced by controllable assembly parameters, such as block length, pH, solvent, water content and the molar ratio of PAA/P4VP. Morphologies and surface properties of the aggregates were investigated by transmission electron microscopy and electrophoretic mobility, respectively. According to the results, the general hypothesis that the external corona is composed of long chains, while short chains form the inner corona of the vesicles, is valid only

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Aubé, Anne-Marie. "Le cercle et ses dérives : de l'atelier à la composition picturale vers la galerie." Thesis, Université Laval, 2009. http://www.theses.ulaval.ca/2009/26996/26996.pdf.

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Edlund, Kajsa, and Ali Ahmad Shahnawazi. "Real-time characterization of fuel by Near-Infrared spectroscopy : Quantitative measurements of moisture content, ash content, heating value, and elemental compositions in solid biofuel mixtures." Thesis, Mälardalens högskola, Akademin för ekonomi, samhälle och teknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-55231.

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The global energy demand supplies mainly from fossil fuels, which is neither sustainable nor environmentally friendly and aims to global warming. Therefore, both more investments in renewable energy sources such as bioenergy are required, as well as new technologies such as carbon capture and storage (CCS) to handle the emissions from existing combined heat and power (CHP) plants. In this degree project, the focus is to determine the moisture content, ash content, heating value, and elemental compositions of solid biofuel mixtures in real-time by utilizing the optical technique of near-infrare

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Miao, Yiqing. "Compositional viscosity and microfiltration properties of ionic liquid-polar solvent mixtures and investigation of ionic liquids as enzyme carrier for bioreactions in a membrane reactor." Thesis, Queen's University Belfast, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.546429.

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Taudière, Adrien. "Déterminants de la structure des communautés fongiques dans les forêts de Corse : rôle des perturbations et de la composition forestière." Thesis, Paris, EPHE, 2016. http://www.theses.fr/2016EPHE3066/document.

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L'étude de l'écologie des micro-organismes est récente malgré son importance pratique et théorique intrinsèque mais également son rôle central dans la niche des macro-organismes. Les interactions plantes-champignons, de par leur importance socio-écologique et de leur diversité -- du mutualisme au parasitisme en passant par le commensalisme --, offrent un modèle judicieux pour étudier l'écologie des communautés de micro-organismes en interaction avec des macro-organismes. À l'aide de techniques de séquençage à haut débit (NGS) et d'analyse des réseaux, nous explorons certains déterminants de la

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Sousa, Bittencourt Pedro. "Interprétation musicale participative : la médiation d'un saxophoniste dans l'articulation des compositions mixtes contemporaines." Thesis, Paris 8, 2015. http://www.theses.fr/2015PA080075/document.

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Étude sur la collaboration et la participation active d’un saxophoniste-chercheur avec plusieurs compositeurs dans la création musicale mixte. Les musiques mixtes combinent un performeur jouant d’un instrument acoustique qui interagit avec des outils électroniques et informatiques, se faisant entendre par des hauts-parleurs. Nous comprenons la participation comme des multiples échanges humains intégrant l’écoute, l’instrument acoustique, l’électronique et les dernières technologies numériques dans la musique. Notre méthodologie s’est nourrie des sciences cognitives, de la systémique, de la rec

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Vesac, Jean-Ambroise. "Approche de l'être-ensemble numérique dans les réalités mixtes : ScnVir, un dispositif de simulation située artistique d'interaction de groupe." Doctoral thesis, Université Laval, 2018. http://hdl.handle.net/20.500.11794/31884.

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Cette recherche-création associe la mobilité numérique immersive et la composition musicale interactive. Elle développe une approche de création en art numérique propre à favoriser l’engagement et prolonger l’expérimentation d’un dispositif artistique dans un espace public extérieur. Nous nous intéressons à l’être-ensemble numérique en réalité mixte, où présence physique et virtuelle se superposent et s’hybrident. Poursuivant et renouvelant d’anciennes traditions culturelles participatives, notre création, ScnVir offre une scène virtuelle de réalité mixte et un design d’interaction favorisant

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Er-Rakho, Lahcen. "Oxydes de cuivre a valence mixte : perovskites deficitaires en oxygene." Caen, 1987. http://www.theses.fr/1987CAEN2036.

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Mise en evidence et etude de deux grandes familles de composes dans le systeme la::(2)o::(3)-ao-cuo(a=ca,ba,sr) : la::(2-x)ba::(1-x)cu::(1-x/2)o::(5-x)(ln=la,nd) ou cu est essentiellement au degre d'oxydation 2 et une seconde famille caracterisee par la valence mixte du cuivre, les quantites de cuivre 3 pouvant atteindre dans certains cas 40%. Tous ces oxydes ont en commum leur appartenance a la structure perovskite. Proprietes electriques et magnetiques

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Ajmera, Beena Danny. "Factors Influencing the Post-Earthquake Shear Strength." Diss., Virginia Tech, 2015. http://hdl.handle.net/10919/56605.

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Although clays are generally considered stable materials under seismic conditions, recent failures initiated in clay layers after earthquakes have emphasized the need to study the cyclic and post-cyclic behavior of these materials. Moreover, if strength loss as a result of cyclic loading were to occur in the material comprising the dam and/or dam foundation, the consequences of failure could be substantial. The objective of this study is to evaluate the effect of plasticity characteristics, mineralogical composition, and accumulated energy on the cyclic behavior, post-cyclic shear strength and

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Chaillout-Bougerol, Catherine. "Contribution à l'étude du système BaPb(1-x)Bi(x)O(3) : relations entre les propriétés structurales, chimiques et physiques." Grenoble 1, 1986. http://www.theses.fr/1986GRE10017.

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Etude de la solution solide du titre du fait de l'interet suscite par ses proprietes physiques : phrase supraconductrice pour 0,05 x 0,30 avec tc# 13k, transition metal-semiconducteur pour x # 0,30. La structure de ces composes est de type perovskite. Selon la concentration en pb et bi, la structure de base cubique se deforme differemment. Etude de la valence de bi et de la stoechiometrie en oxygene, dans babi0::(3) en particulier. Proposition de modeles qui permettent de concilier divers resultats publies anterieurement concernant les proprietes structurales et physiques

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Buisson, Patrice. "Rôle de la distribution des compositions cationiques sur l'aptitude à la dissolution des combustibles MOX : caractérisation de la distribution par diffraction des rayons X sur poudre." Université Joseph Fourier (Grenoble), 1999. http://www.theses.fr/1999GRE10159.

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L'oxyde mixte d'uranium et de plutonium, elabore selon le procede mimas, presente une microstructure particuliere type composite uo 2 (u 1 - ypu y)o 2. Cette microstructure, caracterisee par une repartition en volume du plutonium, presente a la fois des zones riches en uranium (agglomerats de la matrice) et des zones riches en plutonium (amas de melange mere). Cette distribution de compositions cationiques peut influer fortement sur la mise en solution nitrique du materiau. Pour determiner cette distribution, une methode originale de decomposition des profils de raies de diffraction des rayons

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