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  • Yang, Yingli
    2009 — Corrective feedback and Chinese learners` acquisition of English past tense
    Abstract

    Cette étude quasi-expérimentale a examiné les effets de deux techniques de rétroaction, reformulations et incitations, sur l'acquisition des verbes réguliers et irréguliers au passé (en anglais) par des apprenants chinois. Les hypothèses de recherche étaient les suivantes : 1) les apprenants qui reçoivent une rétroaction corrective dans le cours d'activités de communication seront plus performants que les membres du groupe témoin qui réalisent seulement les activités de communication ; 2) les incitations auront davantage d'effets bénéfiques que les reformulations dans l'apprentissage de verbes réguliers au passé ; 3) les reformulations seront plus avantageuses pour l'apprentissage de verbes irréguliers au passé. …  Read more

  • Ye, Qing
    2009 — Masculinity in Yu Hua's fiction from modernism to postmodernism
    Abstract

    Les événements de la Place Tiananmen en 1989 a déclenché le processus durant lequel la société chinoise a évolué d'un soi-disant "haut modernisme" vers un vague "post-modernisme". Le but de cette thèse est d'examiner et d'évaluer la représentation des sexes dans l'écriture des intellectuels chinois mâles quand ils font face à l'évolution sociale mentionnée ci-dessus. L'auteur qui exemplifie bien le groupe d'intellectuels masculins chinois que j'ai choisi est Yu Hua, un des romanciers les plus importants et prolifiques de la Chine d'aujourd'hui. Bonne coïncidence, sa carrière d'écrivain qui couvre la période commençant au milieu des années 1980 jusqu'à maintenant, trace …  Read more

  • Yeats, Brendan
    2009 — Spliced leader (SL) «trans»-splicing in the ascidian tunicate «Ciona intestinalis»: molecular characterization of the SL RNA
    Abstract

    I initially set out to identify the cap structure on the spliced leader RNA of Ciona intestinalis. During this investigation, I discovered a previously unobserved 53 nt transcript containing the spliced leader sequence. This transcript contained the usual metazoan spliced leader RNA cap, trimethylguanosine, while the canonical spliced leader RNA lacked this moiety, but likely contained a mP7PG cap. The cap structure of the trans-spliced troponin I mRNA matched that of the canonical spliced leader RNA, indicating that the canonical spliced leader RNA, not the 53 nt transcript, is the donor for troponin I. Further immunoprecipitation studies showed that both …  Read more

  • Yeboah, Charles Asomaning.
    2009 — Genetic variability of growth curves in dairy heifers
    Abstract

    The objective of this study was to evaluate the variability of growth curves of dairy heifers and estimate genetic parameters. 15066 records taken from birth until 26 months (808 days) on 2754 heifers of Quebec were considered. The pedigree file comprised 10123 animals. The Mixed procedure of SAS with ordinary polynomials was used for simple phenotypic analyses, fitting fixed linear, quadratic and cubic regressions of body weight (in kilograms) on age (in months) as well as random intercept, and random linear and quadratic regressions for each animal. The Wombat program (Meyer, 2007), with Legendre polynomials was used to estimate the …  Read more

  • Yen, Sue May
    2009 — Valuing environmental, health and social benefits using choice modeling: a comparison of the implicit prices of food attributes for rural and urban consumers
    Abstract

    There is a growing body of evidence that Canadian consumers have concerns about the impact of agricultural production on the health of the environment and on society. This study investigates the preferences of rural and urban consumers in Quebec for food attributes that provide environmental, health, and social benefits. The choice modeling technique was employed to estimate the implicit prices of specific food attributes and willingness to pay (WTP) values for alternative food products. Results suggest that rural consumers place higher value on environmental benefits and have higher social existence values than urban consumers, while urban consumers value health benefits …  Read more

  • Yohannes, Sennait.
    2009 — Traditional food consumption, anthropometry, nutrient intake and the emerging relationship between Inuit youth and traditional knowledge in a Baffin Island community
    Abstract

    In 2006 a youth health survey was conducted in Pangnirtung, Nunavut as part of a community collaboration. The survey assessed food use, nutrient status and anthropometry. Thirty four percent of youth were above healthy weight; soft drink consumption averaged 1 litre per day; and nutrient intake distributions showed likelihood of inadequacies in the diet. Traditional food (TF) consumption, however, had a beneficial effect on nutrient status as iron, vitamin A and protein intake was significantly higher among those who consumed TF. Elder stories about TF were used as a pilot intervention aimed to promote TF by increasing traditional knowledge (TK) …  Read more

  • Yong, Shi
    2009 — Comparing theory and measurements of woodwind-like instrument acoustic radiation
    Abstract

    This thesis provides a review of a computational modeling technique for woodwind-like musical instruments with arbitrarily shaped bore and finger holes. The model of a simple acoustic structure implemented in Matlab is verified through experimental measurements in terms of radiation directivity. The methods of calculating the acoustical impedance at the input end and the internal sound pressure at any position along the principle axis of the bore are presented. The procedure for calculating the radiation pressure is detailed in an example featuring a main bore with two open holes. The far-field and near-field formulas of radiation distances and angles are …  Read more

  • Yoo, Euisoo
    2009 — Investigating CMOS amplifier design using the Degrees of Design Freedom method
    Abstract

    Une méthodologie de conception originale basée sur la production de l'espace desperformances des amplificateurs en balayant les variables de contrôle indépendantesest examinée. Cette méthodologie peut optimiser des amplificateurs de CMOS parrapport au gain, à la bande passante, au bruit, à la déformation et à la puissance.L'espace des performances est recherché directement dans les logiciels SPICE sansl'aide d'aucun modèle mathématique ou des logiciels externes. Cette méthode fonctionnedans tous les logiciels SPICE, allant de Cadence à la version d'étudiantde PSPICE. La technique est basée sur la variation de tension dans des noeudsspécifiques de l'amplificateur en utilisant une source de courante dépendente et, …  Read more

  • Yoo, Woo-Jin
    2009 — Copper-catalyzed coupling reactions using carbon-hydrogen bonds
    Abstract

    The development of efficient strategies towards the formation of carboncarbon (C-C) bonds is of great interest. A common route into C-C bond formation occurs through the coupling between nucleophiles and electrophiles. However, in most cases, these activated coupling partners are often derived from less reactive starting materials. The direct use of carbon-hydrogen (C-H) bonds to form C-C bonds1.2 would be highly desirable since it would eliminate preactivation of the substrate and improve the overall efficiencies in synthetic routes by removing needless synthetic steps (Figure 1).  Read more

  • Young, Katie
    2009 — Development of native and recombinant mumps virus subunit nasal vaccines using Protollin technology
    Abstract

    Nous avons voulu explorer la faisabilité d'un vaccin contre le virus des oreillons (VdO) inactivé et administré par voie intra-nasale, et combiné avec l'adjuvant Protollin (Prl). Notre laboratoire a généré et a caractérisé des antigènes de virion entier désintégré utilisant un détergent. Des souris femelles de souche BALB/c âgées de huit semaines ont été vaccinées avec deux ou trois doses de VdO désintégré en antigène (4 ou 8 µg), avec ou sans 4 µg Prl. Les souris ont été suivies afin d'évaluer l'innocuité; des sérums et des sécrétions des muqueuses ont été obtenus à des intervalles afin d'évaluer l'immunité spécifique …  Read more

  • Yourdkhani, Mostafa
    2009 — Multiscale modeling and optimization of seashell structure and material
    Abstract

    Damiano, Pasini, (Internal/Cosupervisor2)  Read more

  • Yu, Alexander
    2009 — Geometric method for the accuracy analysis of a class of 3-DOF planar parallel robots
    Abstract

    Paul Joseph Zsombor-Murray (Internal/Supervisor)  Read more

  • Yu, Li Juan
    2009 — Application of pulsed electric field treated milk on cheese processing: coagulation properties and flavor development
    Abstract

    Les fromages au lait cru ont une saveur et une texture uniques que l'on ne retrouvent pas dans les fromages de lait pasteurisé. Toutefois, les fromages au lait pasteurisé sont plus répandus pour des raisons de santé publique. Les champs électriques pulsés (CEP) sont un traitement non thermique de pasteurisation qui a démontré son avantage sur les méthode classiques de traitement thermique. Comprendre l'effet des CEP sur le fromage est crucial. Cette étude a d'abord déterminé l'effet de la teneur en matière grasse dans le lait sur l'inactivation microbienne par traitement CEP. La teneur en matière grasse a montré un …  Read more

  • Yu, Olivia
    2009 — Soil carbon in a grazed and ungrazed tidal marsh in the St. Lawrence Estuary
    Abstract

    Le stockage de carbone dans les sols est un service important dans l'écosystème des marais salants, mais ce service est-il maintenu lors de l'utilisation agricole? Des moutons broutant sur l'Île Verte, dans l'estuaire supérieur du fleuve du Saint Laurent, nous donnent l'occasion de mesurer si sept étés de broutage ont négativement affecté le stockage de carbone de sol des marais salants de latitude élevée. J'ai comparé des biomasses et des propriétés de sol dans les sections broutés et intactes. La production à la surface et souterraine de la litière végétale sont évaluées par la récolte à la fin de la …  Read more

  • Yu, Shen
    2009 — A Bayesian machine learning system for recognizing group behaviour
    Abstract

    La surveillance visuelle automatisée est un domaine de recherche parmi les plus actifs au cours de la dernière décennie. Bien que les systèmes actuels de reconnaissance des comportements nous fournissent une bonne compréhension sur le comportement des objets en mouvement dans une scène observée, ils ne sont pas en mesure de reconnaître efficacement le comportement de groupes formés de plusieurs objets en mouvement. Dans cette mémoire, nous présentons un système de reconnaissance des comportements de groupes basé sur le modèle de Markov caché (MMC). Notre système est capable de reconnaître les comportements de groupe de façon efficace et efficiente. Dans …  Read more

  • Yuen, Isaac
    2009 — Improving software modularity through crosscutting concern extraction
    Abstract

    La programmation orient´ee-aspect (POA) est un paradigme ayant pour but d’am´eliorerla modularit´e du logiciel en localisant les pr´eoccupations ´eparpill´ees dans des aspects.La refactorisation orient´ee-aspect ´etend les avantages de la POA par l’identification etl’encapsulation des pr´eoccupations existantes `a l’aide du forage d’aspects (aspect mining),et par leur refactorisation en aspects `a l’aide de transformations de code. Cependant,certains r´esultats du forage d’aspects ne correspondent pas `a des pr´eoccupations´eparpill´ees, et les languages aspects existants ne supportent pas la refactorisation de tousles pr´eoccupations en aspects. Cette th`ese d´ecrit une approche pour extraire les pr´eoccupations´eparpill´ees dans une forme qui se prˆete `a la refactorisation. Le processus …  Read more

  • Yule, Ashleigh
    2009 — Adaptive functioning in children with developmental delays receiving early intervention services: patterns and profiles
    Abstract

    Cette étude a été entrepris pour examiner le fonctionnement adaptif chez les enfants ayant des délais développementals dans un contexte d'une intervention précoce. Les gardiens de 60 enfants ayant des délais développementals qui reçoivent des interventions précoces multidisciplinaires ont completés une évaluation standardisée du comportement adaptif de leurs enfants ainsi qu'un questionnaire démographique. Les variables adaptives ont étés analysées parmi 6 catégories diagnostiques pour déterminer si et comment les enfants ayant des délais développementals ont montré des profils adaptifs uniques parmi des contextes d'intervention précoce. Des profils distinctifs du comportement adaptif ont été dévoilés chez les enfants dans chaque groupe …  Read more

  • Zaidi, Syed
    2009 — Breaking the shackles: foreign ownership and control in the airline industry
    Abstract

    La libéralisation de la règlementation du transport aérien international est la pierre angulaire d’une croissance soutenue pour le secteur. Depuis les années 1990, la libéralisation a progressée à divers niveaux grâce à l’assouplissement des dispositions clés dans plus de 4000 accords bilatéraux de services actuellement en place au niveau mondial. En 2007, près de 30 pour cent du trafic circulant entre les États était régi par des dispositions libéralisées à différents degrés. Le caractère international du secteur de l’aviation a facilité la croissance rapide du commerce des biens et des services au cours des 50 dernières années. Pourtant, paradoxalement, ce …  Read more

  • Zárate, Jean Mary
    2009 — Neural correlates of vocal pitch regulation in singing
    Abstract

    Precise vocal pitch regulation is crucial for the accurate production of notes and melodies in singing. The integration of auditory feedback with the vocal motor system, known as audio-vocal integration, is essential for vocal pitch regulation; however, its neural substrate is not well understood. This thesis consists of three functional magnetic resonance imaging (fMRI) experiments designed to investigate the neural mechanisms underlying vocal pitch regulation, and to evaluate the effects of training on vocal performance and neural activity involved in vocal pitch regulation. In Experiment 1, we tested non-musicians and experienced singers with singing tasks to find experience-dependent neural substrates …  Read more

  • Zeng, Ming
    2009 — 5 Gb/s burst-mode clock phase aligner for gigabit passive optical networks
    Abstract

    Fiber to the Home (FTTH) has been proven to be an efficient medium for voice, audio, and video transfer. Passive Optical Networks (PONs) are being studied as an upgradeable and low-cost solution to the problem of limited bandwidth in local access networks in the medium of FTTH. In PONs, multiple users share the fiber infrastructure in a pointto- multipoint (P2MP) network topology. The P2MP nature of networks cause the data packets from each user to undergo different amplitude, phase, and frequency variations – resulting in burst-mode traffic at the receiving end of the network. This consequently creates new challenges for …  Read more

  • Zhang, Dehua
    2009 — Aspect impact analysis
    Abstract

    One of the major challenges in aspect-oriented programming is that aspects may have unintended impacts on a base program. Thus, it is important to develop techniques and tools that can both summarize the impacts and provide information about the causes of the impacts. This thesis presents impact analyses for AspectJ. Our approach detects different ways advice and inter-type declarations interact and interfere with the base program and focuses on four kinds of impacts, \emph{state impacts} which cause changes of state in the base program, \emph{computation impacts} which cause changes in functionality by adding, removing or replacing computations of the base …  Read more

  • Zhang, Jin
    2009 — Three essays on free trade agreements and R&D collaboration: a network approach
    Abstract

    This dissertation consists of three chapters. Chapter 1 and 2 apply network formation theory to the study of free trade agreements, and chapter 3 investigates R&D alliance in a network context. The first chapter considers a setting with n countries. These countries are able to negotiate bilateral free trade agreements (FTAs) to form trading networks. A new solution concept, the pairwise farsightedly stable set, is adopted to predict which free trade network may emerge among forward looking countries. The key finding of this chapter shows that the complete global free trade network is pairwise farsightedly stable. It is also shown …  Read more

  • Zhang, Jin
    2009 — Elastic/plastic buckling of cylindrical shells with elastic core under axial compression
    Abstract

    Elastic as well as plastic buckling of circular cylindrical shells filled with a core material is analyzed under axial compressive loading. A practical example of this situation is the buckling of concrete filled steel tubular (CFT) columns used widely in high-rise buildings. The theoretical problem is modeled as the bifurcation buckling of a perfect "infinitely" long circular cylindrical shell under uniform compression, constrained by a one-way (tension-less) foundation. An important and useful novelty is that the shell material is allowed to undergo strain-hardening plasticity before buckling. For simplicity, the core material is assumed to remain elastic. The approach is analytical. …  Read more

  • Zhang, Junhui
    2009 — Chinese heritage language maintenance: a grandparents' perspective
    Abstract

    With the increased mobility of today's world, trans-border migration has become a common phenomenon. Immigrants bring their heritage languages and cultures to the host countries. The issue of heritage language maintenance becomes more and more significant. However, the issue has not received much research attention until recently and various research questions remain unanswered. This study attempts to fill a research gap by investigating the influence of Chinese grandparents on the Chinese development and maintenance of their preschool-aged grandchildren during their stays in Montreal. Since it is a very common Chinese cultural tradition that grandparents take care of their grandchildren as …  Read more

  • Zhang, Linqiao
    2009 — On the three-dimensional visibility skeleton: implementation and analysis
    Abstract

    Lazard, Sylvain (Internal/Cosupervisor2)  Read more

  • Zhang, Peng
    2009 — Dataflow analysis on game narratives
    Abstract

    Les jeux modernes pour ordinateurs ont tendance `a apporter les structures narratives complexes, en affirmant un jeu `a la fois entendu et int´eressant. Les structures narratives sont importantes non seulement dans le jeu d'aventure et le jeu de rˆole, mais aussi dans le jeu de tir `a la premi`ere personne et le jeu de strat´egie. Malgr´e tout, beaucoup de structures narratives poss`edent des d´efauts qui r´eduisent la qualit´e des jeux, ainsi c'est important de d´evelopper la technique de analyse ou de v´erification. Malheureusement, des tentatives de v´erification formelle sont limit´ees, et dans la pratique effectu´ee avant tout par l'inspection manuelle …  Read more

  • Zhang, Xiao Hong
    2009 — Dynamic post-elastic response of transmission towers
    Abstract

    Collapse of transmission towers can occur due to accidental loads such as conductor breakages, failures of insulators or other components, either under every day conditions (components with marginal strengths) or under extreme conditions such as ice storms, thunderstorms, tornadoes, fires, explosions, heavy mass impacts, etc. Furthermore, the trigger of one tower collapse may cause a catastrophic cascading failure of the whole transmission line section as was observed in the 1998 ice storm in Quebec, Canada. Knowledge of the post-elastic capacity of towers is necessary to mitigate the risk of cascading failures in overhead lines. The thesis presents a detailed study …  Read more

  • Zhang, Yue
    2009 — Service chain design in the user-choice environment
    Abstract

    Ray, Saibal (Internal/Cosupervisor2)  Read more

  • Zhao, Beibei
    2009 — Identification of the cellular and molecular mechanisms governing the post-translational regulation of the neuron- specific potassium/chloride cotransporter KCC2
    Abstract

    The neuron-specific K+/Cl- cotransporter 2 (KCC2) is one of the major cation Cl- cotransporter (CCC) proteins in the central nervous system that controls Cl- homeostasis via mediating Cl- extrusion. KCC2 has been established as an essential protein in promoting the maturation of synaptic inhibition during development and controlling neuronal excitibility in the adult central nervous system (CNS). Although various mechanisms are known to regulate KCC2 gene expression, accumulating evidence has shown KCC2 activity can be altered on much shorter time scales in a manner of 10-20 minutes. This suggested post-translational mechanisms, which take place much more rapidly than gene expression, …  Read more

  • Zicha, Nicholas
    2009 — High-speed optical receivers in nanometer complementary metal-oxide-semiconductor (CMOS)
    Abstract

    Optical interconnects have attracted great interest as data rates continue to increase. When compared with their electrical counterparts, optical interconnects have significant advantages in terms of crosstalk, bandwidth, distance, and latency. Many applications stand to benefit from low-cost, high-speed integrated optical transceivers with single-channel gigabit data rates. As in the case of RF wireless designs, using CMOS technology is of special interest due to the potential of lower cost and higher integration. The analog frontend is a key component in optical receivers due to its importance in bridging the optical and electrical signal domains. In this work, we present a …  Read more

  • Zielinski, Gerald James
    2009 — Furtive, steady glances: on the emergence and cultural politics of lesbian & gay film festivals
    Abstract

    This dissertation charts the emergence of lesbian and gay film festivals in the United States and Canada, their meanings and politics, through the specific discursive contexts in which the festivals are embedded. I argue that while general international film festivals operate within a very well defined network, the added categories of minority sexuality and community crucially and fundamentally change the relationship of the films screened to the festival, films and festival to audience, and the festival to any network of distribution. The aim is then to explore those changes and differences through a comparative analysis of selected film festivals organized …  Read more