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399 Research products

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Alexander, Nicolle;

    More than two decades after its introduction, neoliberal ideology has increasingly created a class and race-based gap in relation to student achievement in Ontario’s education system. Due to market-based rhetoric shaping policies and legislation, schools are increasingly encouraging students to adhere to the demands of a newly globalized world with a focus on the economy, regardless of their background. This study aims to analyze the presence of neoliberal reforms in Ontario’s education system through decisions made in government from Mike Harris’ in 1995 to the present Doug Ford administration. Specifically, I investigate how the so-called knowledge economy has produced a system that enables students deemed marketable, often from middle- and upper-class white backgrounds, and disables non-marketable students, most often the working poor and the working class, and racial and ethnic minorities, through funding cuts, heightened accountability, and standardized testing. By evaluating Ministry of Education policy documents and documents for both Conservative Premier campaigns, I analyzed the rhetoric used to introduce, consolidate and solidify neoliberal discourse throughout the past twenty years. The results showed that by simplifying education to quantifiable measures, the education system now measures concepts such as equity and inclusion in schools through standardized testing and monthly reports. Further, the rhetoric used to solidify equity and inclusion within the system focuses more on the presentation of both rather than materializing its action in schools. In order to minimize the current student achievement gap in our education system, funding needs to be focalized in social services cut by our government level to properly re“instate” the intended actions of these policies.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Scholarship at UWind...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Scholarship at UWind...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Rana, Shivang;

    The rarity of Melanoma skin cancer accounts for the dataset collected to be limited and highly skewed, as benign moles can easily mimic the impression of the melanoma-affected area. Such an imbalanced dataset makes training any deep learning classifier network harder by affecting the training stability. We have an intuition that synthesizing such skin lesion medical images could help solve the issue of overfitting in training networks and assist in enforcing the anonymization of actual patients. Despite multiple previous attempts, none of the models were practical for the fast-paced clinical environment. In this thesis, we propose a novel pipeline named SkinCAN AI, inspired by StyleGAN but designed explicitly considering the limitations of the skin lesion dataset and emphasizing the requirement of a faster optimized diagnostic tool that can be easily inferred and integrated into the clinical environment. Our SkinCAN AI model is equipped with its module of adaptive discriminator augmentation that enables limited target data distribution to be learned and artificial data points to be sampled, which further assist the classifier network in learning semantic features. We elucidate the novelty of our SkinCAN AI pipeline by integrating the soft attention module in the classifier network. This module yields an attention mask analyzed by DenseNet201 to focus on learning relevant semantic features from skin lesion images without using any heavy computational burden of artifact removal software. The SkinGAN model achieves an FID score of 0.622 while allowing its synthetic samples to train the DenseNet201 model with an accuracy of 0.9494, AUC of 0.938, specificity of 0.969, and sensitivity of 0.695. We provide evidence in our thesis that our proposed pipelines outperform other state-of-the-art existing networks developed for this task of early diagnosis.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Scholarship at UWind...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Scholarship at UWindsor
    Thesis . 2022
    License: CC BY
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Scholarship at UWind...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      Scholarship at UWindsor
      Thesis . 2022
      License: CC BY
  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Edrisy, Mohamed;

    The emergence of commercial FEA solvers was a significant breakthrough that boosted the accuracy and complexity of engineering design. While composite materials are special materials, their mechanical properties can be custom made by considering the needs and requirements of the design problem. Given the rapidly expanding global consumption of composite materials, access to FEA solvers capable of assigning these materials is an absolute requirement.The CATIA software is a platform for designing, analyzing, and manufacturing of parts. However, there is no meaningful documentation in the public domain exploring the finite element functionalities of CATIA software for composite materials. Isotropic materials are used in numerous references investigating the CATIA FEA solver; however, the extension to composite materials has been lacking. The present study investigates two phenomena: (1) the procedure to import composite material properties into the Generative Structural Analysis workbench, and (2) the pre-processing and the post-processing toolbars and functionalities pertaining to this matter. The thesis does not address the CAD modelling aspects of the composites per se since there are many references available concentrating on such issues in the CATIA public literature.The composite models are selected from different scenarios labeled as benchmark problems. The results generated by CATIA’s native FEA solver for the static, dynamic, and buckling cases are compared with other tools available to the engineering community. These tools encompass the Classical Lamination Theory and two commercial CAE codes, known as ABAQUS and ANSYS.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Scholarship at UWind...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Scholarship at UWind...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
  • Authors: Raymond, Carla A.;

    Due to a history of malpractice in archaeology, minimally and non-destructive investigative techniques are necessary to protect precious artefacts and mummified remains for the future. Using a combination of established and novel techniques, X-ray computed tomography (CT) and neutron CT, allowed for non-destructive study of IA.2402, an unusual Egyptian votive mummy of unknown age and provenance. These imaging methods revealed a partial skeleton of a small, juvenile cat. Use of both techniques allows for dual contrast and complementary study of bones, soft tissue, and textile components. Neutron CT, never before applied to archaeometric studies of mummified remains, provided valuable insight into wrapping techniques used in the mummification process. Pigment analysis was performed for coloured markings on the wrappings, using a scanning electron microscope and Raman spectroscopy, to determine their composition and authenticity. Protein extraction and analysis was attempted, however was inconclusive of species due to the decayed state of remains. Radiocarbon dates were acquired, and provided quantitative results to compare with morphological observations and conclusions based on partiality of the contents. All techniques were employed to better define and profile the specimen, within its historical context, while causing as little physical disruption as possible.

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Julia Berliant;
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ https://curve.carlet...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ https://curve.carlet...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Stone, Rachel Marie;

    Monitoring intracranial pressure (ICP) has become an important practice in patients with elevated ICP (e.g., traumatic brain injury) to improve patient outcome. However, little information exists surrounding chronic, but sub-clinical elevations in ICP, which may stem from classic cardiovascular risk factors, such as elevated blood pressure (BP). The current methods to assess ICP are invasive and costly; but optic nerve sheath diameter (ONSD) and blood flow pulsatility (pulsatility index; PI) are promising non-invasive techniques, both of which have been reported to strongly correlate with invasive measures of ICP in pathology. However, the interactions of BP, ONSD and PI in otherwise healthy adults, remains undetermined. Accordingly, the purpose of this investigation was to determine the relationship between ONSD, PI and BP, and to highlight possible sex differences in a population of young healthy adults. Sixteen participants (6 females) underwent assessment of arterial BP, ONSD (left and right eyes) and PI (left common carotid artery) using ultrasound. There was a strong correlation between mean ONSD (left and right eye combined) and PI (R=0.735, p=0.001). There was no significant relationship between PI and BP (R=0.058, p=0.832) or ONSD and BP (R=0.272, p=0.309). Additionally, there was a significant difference between males and females for mean ONSD, whereby males demonstrated a larger diameter (males=0.4860.110 vs. females=0.3530.062cm; p=0.018), but there was no significant difference in PI between males and females (males=2.3630.613 vs. females=1.9500.196; p=0.136). Results of this study confirm the relationship between ONSD and PI in a healthy population. While ICP was not directly assessed in the current study, the strong associations between ONSD and PI suggest that their combined assessment may be employed as a tenable surrogate to non-invasively measure ICP when the invasive measure of ICP is unfeasible.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Scholarship at UWind...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Scholarship at UWindsor
    Thesis . 2022
    License: CC BY
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Scholarship at UWind...arrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      Scholarship at UWindsor
      Thesis . 2022
      License: CC BY
  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Erika Sparrow;

    In addition to making decisions about gains and losses that affect only ourselves, often in life we make decisions that benefit others. Research on lifespan changes in motivation suggests that altruistic motives become stronger with age. However, few studies have explored the effect of age on decisions that affect others. The current study used a realistic financial decision making task involving choices for gains, losses, and donations. Each decision involved an intertemporal choice, in which the participant selected either a smaller-sooner or a larger-later option that could affect their bonus payout. Participants included 36 healthy younger adults (M = 25.1 years) and 36 healthy older adults (M = 70.4 years). Both age groups chose more larger-later donations than larger-later losses, but the magnitude of this effect was amplified in older relative to younger adults. These findings suggest that intertemporal choices may be sensitive to an age-related increase in altruistic motivation

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ https://rshare.libra...arrow_drop_down
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    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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      image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
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    Authors: Aaron O'Quinn;
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    Authors: Roberti, Gioachino;

    Mount Meager is a glacier-clad volcanic complex in British Columbia, Canada. It is known for its landslides, of which the 2010 is the largest Canadian historical landslide. In this thesis we investigated slope instability processes at Mount Meager volcano and the effects of ongoing deglaciation. We used a variety of methods including field and remote, geological, geomorphological and structural mapping to characterize glacial and landslide activity at Mount Meager. We used Structure from Motion photogrammetry (SfM) and Lidar to produce digital surface models and InSAR to monitor slope deformation. We applied SfM to historic photography to document glacier and landslide activity at Mount Meager. We discussed a model of growth and erosion of a volcano in glacial and interglacial periods, and the scientific and dissemination value of historic 3D topographic reconstruction. We described the 2010 Mount Meager landslide deposit to interpret emplacement dynamics and kinematics. The 2010 landslide separated in water-rich and water-poor phases that had different runout and distinct deposits. We analyzed historic airphotos to constrain the slope deformation prior to the 2010 collapse. The glacier near the toe of the slope retreated in the failure lead up, the collapse evolved in four subfailures involving the whole volcanic sequence and some basement rocks. We estimated 6 × 106 m3 of water in the slope, that allowed the separation of the frontal water-rich phase. The total failure volume was 53 ± 3.8 × 106 m3. We identified 27 large (>5×105 m2) unstable slopes at Mount Meager and calculated ~1.3 km3 of ice loss since 1987. The west flank of Plinth peak and Devastation Creek valley moved up to -34±10 mm and -36±10 mm, respectively, over a 24-day period during the summer of 2016. The failure of these slopes could impact infrastructures and communities downstream of the volcano. The resulting decompression on the volcanic edifice after the failure of Plinth peak would affect the stress field to a depth of 6 km and up to 4 MPa. This sudden decompression could lead to hydrothermal or magmatic eruptions.; Mount Meager est un complexe volcanique glaciaire en British Columbia (Canada). Il est connu pour ses glissements de terrain, dont celui de 2010 étant le plus grand glissement de terrain historique au Canada. Dans cette thèse, nous avons étudié les processus d'instabilités du volcan Mont Meager ainsi que les effets de la déglaciation en cours. Nous avons utilisé une approche pluridisciplinaire, intégrant la cartographie géologique, géomorphologique et structurelle, du terrain et de la télédétection, pour caractériser l'activité glaciaire et les glissements de terrain au Mount Meager. Nous avons utilisé la photogrammétrie Structure from Motion (SfM) et la technologie Lidar pour produire des modèles numériques de terrain, et techniques InSAR pour surveiller le mouvement et la déformation des pentes du volcan. Nous avons appliqué la technique SfM à des photographies aériennes historiques pour documenter les activités des glaciers et des glissements de terrain au Mount Meager. Nous avons discuté un modèle de croissance et d'érosion d'un volcan en période glaciaire et interglaciaire, ainsi que la valeur scientifique et de vulgarisation de la reconstruction topographique 3D. Nous avons décrit les dépôts de glissement de terrain de 2010 à Mount Meager pour interpréter la dynamique de leur mise en place. Le glissement de terrain de 2010 s'est divisé en phases riches en eau et pauvres en eau, ayant des distances d'écoulement différentes et des dépôts distincts. Nous avons analysé des photographies aériennes historiques remontant à 1948, afin de documenter la déformation de la pente avant l'effondrement de 2010. Le glacier situé a proximité du pied de la pente a reculé durant les années précédents la rupture. Cette effondrement a évolué en quatre sous-effondrements, impliquant toute la séquence volcanique et le socle. Nous avons estimé 6 × 106 m3 d'eau dans la pente, ce qui a permis la séparation de la phase frontale riche en eau. Le volume total d'effondrement est 53 ± 3.8 × 106 m3. Nous avons identifié 27 grands (>5×105 m2) flancs instables au Mount Meager et calculé a ~1.3 km3 de récession des glaciers depuis 1987. Le flanc ouest de Plinth Peak et de la vallée de Devastation Creek se sont déplacés de -34±10 mm -36±10 mm, respectivement, dans un période de 24 jours pendant l'été 2016. L’effondrement de ces flancs pourrait avoir un impact important sur les infrastructures et les communautés en aval du volcan. La décompression résultant de l'édifice volcanique après l'effondrement du flanc ouest de Plinth Peak affecterait le champ de contrainte à une profondeur de 6 km et jusqu'à 4 MPa. Cette décompression soudaine pourrait mener des éruptions hydrothermales et magmatiques. Un important glissement de terrain pourrait donc avoir joué un rôle dans le déclenchement de l'éruption de 2360 cal BP.

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    Doctoral thesis . 2018
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  • Authors: Elwakeel, Abdelrahman Salaheldin;
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Alexander, Nicolle;

    More than two decades after its introduction, neoliberal ideology has increasingly created a class and race-based gap in relation to student achievement in Ontario’s education system. Due to market-based rhetoric shaping policies and legislation, schools are increasingly encouraging students to adhere to the demands of a newly globalized world with a focus on the economy, regardless of their background. This study aims to analyze the presence of neoliberal reforms in Ontario’s education system through decisions made in government from Mike Harris’ in 1995 to the present Doug Ford administration. Specifically, I investigate how the so-called knowledge economy has produced a system that enables students deemed marketable, often from middle- and upper-class white backgrounds, and disables non-marketable students, most often the working poor and the working class, and racial and ethnic minorities, through funding cuts, heightened accountability, and standardized testing. By evaluating Ministry of Education policy documents and documents for both Conservative Premier campaigns, I analyzed the rhetoric used to introduce, consolidate and solidify neoliberal discourse throughout the past twenty years. The results showed that by simplifying education to quantifiable measures, the education system now measures concepts such as equity and inclusion in schools through standardized testing and monthly reports. Further, the rhetoric used to solidify equity and inclusion within the system focuses more on the presentation of both rather than materializing its action in schools. In order to minimize the current student achievement gap in our education system, funding needs to be focalized in social services cut by our government level to properly re“instate” the intended actions of these policies.

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    Authors: Rana, Shivang;

    The rarity of Melanoma skin cancer accounts for the dataset collected to be limited and highly skewed, as benign moles can easily mimic the impression of the melanoma-affected area. Such an imbalanced dataset makes training any deep learning classifier network harder by affecting the training stability. We have an intuition that synthesizing such skin lesion medical images could help solve the issue of overfitting in training networks and assist in enforcing the anonymization of actual patients. Despite multiple previous attempts, none of the models were practical for the fast-paced clinical environment. In this thesis, we propose a novel pipeline named SkinCAN AI, inspired by StyleGAN but designed explicitly considering the limitations of the skin lesion dataset and emphasizing the requirement of a faster optimized diagnostic tool that can be easily inferred and integrated into the clinical environment. Our SkinCAN AI model is equipped with its module of adaptive discriminator augmentation that enables limited target data distribution to be learned and artificial data points to be sampled, which further assist the classifier network in learning semantic features. We elucidate the novelty of our SkinCAN AI pipeline by integrating the soft attention module in the classifier network. This module yields an attention mask analyzed by DenseNet201 to focus on learning relevant semantic features from skin lesion images without using any heavy computational burden of artifact removal software. The SkinGAN model achieves an FID score of 0.622 while allowing its synthetic samples to train the DenseNet201 model with an accuracy of 0.9494, AUC of 0.938, specificity of 0.969, and sensitivity of 0.695. We provide evidence in our thesis that our proposed pipelines outperform other state-of-the-art existing networks developed for this task of early diagnosis.

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    Scholarship at UWindsor
    Thesis . 2022
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      Scholarship at UWindsor
      Thesis . 2022
      License: CC BY
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    Authors: Edrisy, Mohamed;

    The emergence of commercial FEA solvers was a significant breakthrough that boosted the accuracy and complexity of engineering design. While composite materials are special materials, their mechanical properties can be custom made by considering the needs and requirements of the design problem. Given the rapidly expanding global consumption of composite materials, access to FEA solvers capable of assigning these materials is an absolute requirement.The CATIA software is a platform for designing, analyzing, and manufacturing of parts. However, there is no meaningful documentation in the public domain exploring the finite element functionalities of CATIA software for composite materials. Isotropic materials are used in numerous references investigating the CATIA FEA solver; however, the extension to composite materials has been lacking. The present study investigates two phenomena: (1) the procedure to import composite material properties into the Generative Structural Analysis workbench, and (2) the pre-processing and the post-processing toolbars and functionalities pertaining to this matter. The thesis does not address the CAD modelling aspects of the composites per se since there are many references available concentrating on such issues in the CATIA public literature.The composite models are selected from different scenarios labeled as benchmark problems. The results generated by CATIA’s native FEA solver for the static, dynamic, and buckling cases are compared with other tools available to the engineering community. These tools encompass the Classical Lamination Theory and two commercial CAE codes, known as ABAQUS and ANSYS.

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  • Authors: Raymond, Carla A.;

    Due to a history of malpractice in archaeology, minimally and non-destructive investigative techniques are necessary to protect precious artefacts and mummified remains for the future. Using a combination of established and novel techniques, X-ray computed tomography (CT) and neutron CT, allowed for non-destructive study of IA.2402, an unusual Egyptian votive mummy of unknown age and provenance. These imaging methods revealed a partial skeleton of a small, juvenile cat. Use of both techniques allows for dual contrast and complementary study of bones, soft tissue, and textile components. Neutron CT, never before applied to archaeometric studies of mummified remains, provided valuable insight into wrapping techniques used in the mummification process. Pigment analysis was performed for coloured markings on the wrappings, using a scanning electron microscope and Raman spectroscopy, to determine their composition and authenticity. Protein extraction and analysis was attempted, however was inconclusive of species due to the decayed state of remains. Radiocarbon dates were acquired, and provided quantitative results to compare with morphological observations and conclusions based on partiality of the contents. All techniques were employed to better define and profile the specimen, within its historical context, while causing as little physical disruption as possible.

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    Authors: Julia Berliant;
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    Authors: Stone, Rachel Marie;

    Monitoring intracranial pressure (ICP) has become an important practice in patients with elevated ICP (e.g., traumatic brain injury) to improve patient outcome. However, little information exists surrounding chronic, but sub-clinical elevations in ICP, which may stem from classic cardiovascular risk factors, such as elevated blood pressure (BP). The current methods to assess ICP are invasive and costly; but optic nerve sheath diameter (ONSD) and blood flow pulsatility (pulsatility index; PI) are promising non-invasive techniques, both of which have been reported to strongly correlate with invasive measures of ICP in pathology. However, the interactions of BP, ONSD and PI in otherwise healthy adults, remains undetermined. Accordingly, the purpose of this investigation was to determine the relationship between ONSD, PI and BP, and to highlight possible sex differences in a population of young healthy adults. Sixteen participants (6 females) underwent assessment of arterial BP, ONSD (left and right eyes) and PI (left common carotid artery) using ultrasound. There was a strong correlation between mean ONSD (left and right eye combined) and PI (R=0.735, p=0.001). There was no significant relationship between PI and BP (R=0.058, p=0.832) or ONSD and BP (R=0.272, p=0.309). Additionally, there was a significant difference between males and females for mean ONSD, whereby males demonstrated a larger diameter (males=0.4860.110 vs. females=0.3530.062cm; p=0.018), but there was no significant difference in PI between males and females (males=2.3630.613 vs. females=1.9500.196; p=0.136). Results of this study confirm the relationship between ONSD and PI in a healthy population. While ICP was not directly assessed in the current study, the strong associations between ONSD and PI suggest that their combined assessment may be employed as a tenable surrogate to non-invasively measure ICP when the invasive measure of ICP is unfeasible.

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      Thesis . 2022
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    Authors: Erika Sparrow;

    In addition to making decisions about gains and losses that affect only ourselves, often in life we make decisions that benefit others. Research on lifespan changes in motivation suggests that altruistic motives become stronger with age. However, few studies have explored the effect of age on decisions that affect others. The current study used a realistic financial decision making task involving choices for gains, losses, and donations. Each decision involved an intertemporal choice, in which the participant selected either a smaller-sooner or a larger-later option that could affect their bonus payout. Participants included 36 healthy younger adults (M = 25.1 years) and 36 healthy older adults (M = 70.4 years). Both age groups chose more larger-later donations than larger-later losses, but the magnitude of this effect was amplified in older relative to younger adults. These findings suggest that intertemporal choices may be sensitive to an age-related increase in altruistic motivation

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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ https://rshare.libra...arrow_drop_down
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      This Research product is the result of merged Research products in OpenAIRE.

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Aaron O'Quinn;
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ https://curve.carlet...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/