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Stiller</title> <meta name="description" content="Search results for: Joerg Stiller"> <meta name="keywords" content="Joerg Stiller"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Joerg Stiller"> <input type="submit" class="btn_search" value="Search"> </div> </div> </form> </div> </div> <div class="row mt-3"> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Commenced</strong> in January 2007</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Frequency:</strong> Monthly</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Edition:</strong> International</div> </div> </div> <div class="col-sm-3"> <div class="card"> <div class="card-body"><strong>Paper Count:</strong> 14</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Joerg Stiller</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">14</span> Condensation of Moist Air in Heat Exchanger Using CFD</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jan%20Barak">Jan Barak</a>, <a href="https://publications.waset.org/abstracts/search?q=Karel%20Frana"> Karel Frana</a>, <a href="https://publications.waset.org/abstracts/search?q=Joerg%20Stiller"> Joerg Stiller</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This work presents results of moist air condensation in heat exchanger. It describes theoretical knowledge and definition of moist air. Model with geometry of square canal was created for better understanding and post processing of condensation phenomena. Different approaches were examined on this model to find suitable software and model. Obtained knowledge was applied to geometry of real heat exchanger and results from experiment were compared with numerical results. One of the goals is to solve this issue without creating any user defined function in the applied code. It also contains summary of knowledge and outlook for future work. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=condensation" title="condensation">condensation</a>, <a href="https://publications.waset.org/abstracts/search?q=exchanger" title=" exchanger"> exchanger</a>, <a href="https://publications.waset.org/abstracts/search?q=experiment" title=" experiment"> experiment</a>, <a href="https://publications.waset.org/abstracts/search?q=validation" title=" validation"> validation</a> </p> <a href="https://publications.waset.org/abstracts/2889/condensation-of-moist-air-in-heat-exchanger-using-cfd" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2889.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">403</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">13</span> Effect of Varying Scaffold Architecture and Porosity of Calcium Alkali Orthophosphate Based-Scaffolds for Bone Tissue Engineering </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=D.%20Adel">D. Adel</a>, <a href="https://publications.waset.org/abstracts/search?q=F.%20Giacomini"> F. Giacomini</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Gildenhaar"> R. Gildenhaar</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20Berger"> G. Berger</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Gomes"> C. Gomes</a>, <a href="https://publications.waset.org/abstracts/search?q=U.%20Linow"> U. Linow</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Hardt"> M. Hardt</a>, <a href="https://publications.waset.org/abstracts/search?q=B.%20Peleskae"> B. Peleskae</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20G%C3%BCnster"> J. Günster</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Houshmand"> A. Houshmand</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Stiller"> M. Stiller</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Rack"> A. Rack</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Ghaffar"> K. Ghaffar</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Gamal"> A. Gamal</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20El%20Mofty"> M. El Mofty</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Knabe"> C. Knabe</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The goal of this study was to develop 3D scaffolds from a silica containing calcium alkali orthophosphate utilizing two different fabrication processes, first a replica technique namely the Schwartzwalder Somers method (SSM), and second 3D printing, i.e. Rapid prototyping (RP). First, the mechanical and physical properties of the scaffolds (porosity, compressive strength, and solubility) was assessed and second their potential to facilitate homogenous colonization with osteogenic cells and extracellular bone matrix formation throughout the porous scaffold architecture. To this end murine and rat calavarie osteoblastic cells were dynamically seeded on both scaffold types under perfusion with concentrations of 3 million cells. The amount of cells and extracellular matrix as well as osteogenic marker expression was evaluated using hard tissue histology, immunohistochemistry, and histomorphometric analysis. Total porosities of both scaffolds were 86.9 % and 50% for SSM and RP respectively, Compressive strength values were 0.46 ± 0.2 MPa for SSM and 6.6± 0.8 MPa for RP. Regarding the cellular behavior, RP scaffolds displayed a higher cell and matrix percentage of 24.45%. Immunoscoring yielded strong osteocalcin expression of cells and matrix in RP scaffolds and a moderate expression in SSM scaffolds. 3D printed RP scaffolds displayed superior mechanical and biological properties compared to SSM. 3D printed scaffolds represent excellent candidates for bone tissue engineering. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=calcium%20alkali%20orthophosphate" title="calcium alkali orthophosphate">calcium alkali orthophosphate</a>, <a href="https://publications.waset.org/abstracts/search?q=extracellular%20matrix%20mineralization" title=" extracellular matrix mineralization"> extracellular matrix mineralization</a>, <a href="https://publications.waset.org/abstracts/search?q=osteoblast%20differentiation" title=" osteoblast differentiation"> osteoblast differentiation</a>, <a href="https://publications.waset.org/abstracts/search?q=rapid%20prototyping" title=" rapid prototyping"> rapid prototyping</a>, <a href="https://publications.waset.org/abstracts/search?q=scaffold" title=" scaffold"> scaffold</a> </p> <a href="https://publications.waset.org/abstracts/46386/effect-of-varying-scaffold-architecture-and-porosity-of-calcium-alkali-orthophosphate-based-scaffolds-for-bone-tissue-engineering" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46386.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">329</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">12</span> Image Processing Approach for Detection of Three-Dimensional Tree-Rings from X-Ray Computed Tomography</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jorge%20Martinez-Garcia">Jorge Martinez-Garcia</a>, <a href="https://publications.waset.org/abstracts/search?q=Ingrid%20Stelzner"> Ingrid Stelzner</a>, <a href="https://publications.waset.org/abstracts/search?q=Joerg%20Stelzner"> Joerg Stelzner</a>, <a href="https://publications.waset.org/abstracts/search?q=Damian%20Gwerder"> Damian Gwerder</a>, <a href="https://publications.waset.org/abstracts/search?q=Philipp%20Schuetz"> Philipp Schuetz</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Tree-ring analysis is an important part of the quality assessment and the dating of (archaeological) wood samples. It provides quantitative data about the whole anatomical ring structure, which can be used, for example, to measure the impact of the fluctuating environment on the tree growth, for the dendrochronological analysis of archaeological wooden artefacts and to estimate the wood mechanical properties. Despite advances in computer vision and edge recognition algorithms, detection and counting of annual rings are still limited to 2D datasets and performed in most cases manually, which is a time consuming, tedious task and depends strongly on the operator’s experience. This work presents an image processing approach to detect the whole 3D tree-ring structure directly from X-ray computed tomography imaging data. The approach relies on a modified Canny edge detection algorithm, which captures fully connected tree-ring edges throughout the measured image stack and is validated on X-ray computed tomography data taken from six wood species. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=ring%20recognition" title="ring recognition">ring recognition</a>, <a href="https://publications.waset.org/abstracts/search?q=edge%20detection" title=" edge detection"> edge detection</a>, <a href="https://publications.waset.org/abstracts/search?q=X-ray%20computed%20tomography" title=" X-ray computed tomography"> X-ray computed tomography</a>, <a href="https://publications.waset.org/abstracts/search?q=dendrochronology" title=" dendrochronology"> dendrochronology</a> </p> <a href="https://publications.waset.org/abstracts/130684/image-processing-approach-for-detection-of-three-dimensional-tree-rings-from-x-ray-computed-tomography" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/130684.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">220</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">11</span> High Power Thermal Energy Storage for Industrial Applications Using Phase Change Material Slurry</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Anastasia%20Stamatiou">Anastasia Stamatiou</a>, <a href="https://publications.waset.org/abstracts/search?q=Markus%20Odermatt"> Markus Odermatt</a>, <a href="https://publications.waset.org/abstracts/search?q=Dominic%20%20Leemann"> Dominic Leemann</a>, <a href="https://publications.waset.org/abstracts/search?q=Ludger%20J.%20Fischer"> Ludger J. Fischer</a>, <a href="https://publications.waset.org/abstracts/search?q=Joerg%20Worlitschek"> Joerg Worlitschek</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The successful integration of thermal energy storage in industrial processes is expected to play an important role in the energy turnaround. Latent heat storage technologies can offer more compact thermal storage at a constant temperature level, in comparison to conventional, sensible thermal storage technologies. The focus of this study is the development of latent heat storage solutions based on the Phase Change Slurry (PCS) concept. Such systems promise higher energy densities both as refrigerants and as storage media while presenting better heat transfer characteristics than conventional latent heat storage technologies. This technology is expected to deliver high thermal power and high-temperature stability which makes it ideal for storage of process heat. An evaluation of important batch processes in industrial applications set the focus on materials with a melting point in the range of 55 - 90 °C. Aluminium ammonium sulfate dodecahydrate (NH₄Al(SO₄)₂·12H₂O) was chosen as the first interesting PCM for the next steps of this study. The ability of this material to produce slurries at the relevant temperatures was demonstrated in a continuous mode in a laboratory test-rig. Critical operational and design parameters were identified. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=esters" title="esters">esters</a>, <a href="https://publications.waset.org/abstracts/search?q=latent%20heat%20storage" title=" latent heat storage"> latent heat storage</a>, <a href="https://publications.waset.org/abstracts/search?q=phase%20change%20materials" title=" phase change materials"> phase change materials</a>, <a href="https://publications.waset.org/abstracts/search?q=thermal%20properties" title=" thermal properties"> thermal properties</a> </p> <a href="https://publications.waset.org/abstracts/63491/high-power-thermal-energy-storage-for-industrial-applications-using-phase-change-material-slurry" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63491.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">298</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">10</span> When Worlds Collide: Clashes of Communication between Italian and Anglophone Cultures in Movies Set in Venice</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Angela%20Fabris">Angela Fabris</a>, <a href="https://publications.waset.org/abstracts/search?q=Joerg%20Helbig"> Joerg Helbig </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Our paper deals with feature films set in Venice which focus on the influence of Italian life style on anglophone characters. Usually, these films emphasize the different cultures and mentalities of Italian and British (or American) people. More often than not, these encounters result in a profound change of the anglophone characters' attitude towards romance and sensuality. A case in point is David Lean's Summer Madness (UK 1955). This film recounts the love affair between the American tourist Jane Hudson (Katherine Hepburn) and the Venetian antique shop owner Renato de Rossi (Rossano Brazzi). Jane is a spinster in her mid-forties who longs for love and romance. The chance arrives when she meets Renato who feels attracted to her. Jane's immediate reaction, however, is to reject Renato's advances. What follows is a struggle between the strict morality of a puritan upbringing and the irresitable charm of Mediterranean temptations. Similar conflicts can be found in many other movies. Apart from Summer Madness we will discuss Aldo Lado's Chi l'ha vista morire? (It 1972), Nicolas Roeg's Don't Look Now (UK/It 1973) and Paul Schrader's The Comfort of Strangers (It/UK/USA 1990). Our paper raises the question whether or not these and other films present false stereotypes and chlichés. The paper is part of our large-scale research project which explores the history of erotic cinema in Italy and England. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=culture%20clash" title="culture clash">culture clash</a>, <a href="https://publications.waset.org/abstracts/search?q=erotic%20cinema" title=" erotic cinema"> erotic cinema</a>, <a href="https://publications.waset.org/abstracts/search?q=film" title=" film"> film</a>, <a href="https://publications.waset.org/abstracts/search?q=Venice" title=" Venice"> Venice</a> </p> <a href="https://publications.waset.org/abstracts/80193/when-worlds-collide-clashes-of-communication-between-italian-and-anglophone-cultures-in-movies-set-in-venice" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/80193.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">255</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">9</span> The Role of Leukocyte-Derived IL-10 on Postoperative ileus and Intestinal Macrophage Differentiation in Mice</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kathy%20Stein">Kathy Stein</a>, <a href="https://publications.waset.org/abstracts/search?q=Mariola%20Lysson"> Mariola Lysson</a>, <a href="https://publications.waset.org/abstracts/search?q=Anja%20Schmidt"> Anja Schmidt</a>, <a href="https://publications.waset.org/abstracts/search?q=Beatrix%20Schumak"> Beatrix Schumak</a>, <a href="https://publications.waset.org/abstracts/search?q=Sabine%20Specht"> Sabine Specht</a>, <a href="https://publications.waset.org/abstracts/search?q=Hicham%20Bouabe"> Hicham Bouabe</a>, <a href="https://publications.waset.org/abstracts/search?q=J%C3%BCrgen%20Heesemann"> Jürgen Heesemann</a>, <a href="https://publications.waset.org/abstracts/search?q=Axel%20Roers"> Axel Roers</a>, <a href="https://publications.waset.org/abstracts/search?q=Joerg%20C.%20Kalff"> Joerg C. Kalff</a>, <a href="https://publications.waset.org/abstracts/search?q=Sven%20Wehner"> Sven Wehner</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objective: Postoperative ileus (POI) is a common complication of abdominal surgery. Monocyte infiltration is a hallmark of POI. The polarization of macrophages/monocytes in this process is not well understood. We aimed to investigate if and how M2 macrophage/monocyte differentiation is involved in POI pathogenesis. Design: POI was induced by intestinal manipulation (IM). C57Bl/6, CCR2-/-, IL-10 reporter (ITIB), IL-10-/- and LysMcre/IL-10fl/fl mice underwent IM. At various points in time leukocyte influx, gene and protein expression of cytokines, chemokines and M2 differentiation markers and intestinal motility were analyzed. Results: IM induced the postoperative expression of the M2 markers Arginase-1 and YM-1, predominantly in F4/80+Ly6C+ monocytes. Gene expression analyses indicated an IL-10-dependent, IL-4-independent M2 polarization of these monocytes. IL-10 dependency of M2 differentiation was confirmed in IL-10 deficient mice. Leukocytes, in the order of infiltrating monocytes, neutrophils, and resident macrophages were the main IL-10 producers during POI. IL-10 producing monocytes as well as M2 marker expression were almost absent in CCR2-deficient mice. However, postoperative IL-10 expression was not altered in CCR2-/- mice. The loss of M2 polarized monocytes neither protected CCR2-/- mice from nor affected resolution of POI. In contrast, IL-10 deficiency reduced postoperative neutrophil numbers and ameliorated POI. IL-10Ra expression was strongly induced in neutrophils but not in monocytes. Conclusion: We conclude that IL-10 counteracts POI resolution by activating IL-10Ra-expressing neutrophils in the late phase of disease while IL-10-dependent M2 differentiation is not pivotal to POI manifestation and resolution. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=interleukin-10" title="interleukin-10">interleukin-10</a>, <a href="https://publications.waset.org/abstracts/search?q=macrophages" title=" macrophages"> macrophages</a>, <a href="https://publications.waset.org/abstracts/search?q=neutrophils" title=" neutrophils"> neutrophils</a>, <a href="https://publications.waset.org/abstracts/search?q=postoperative%20ileus" title=" postoperative ileus"> postoperative ileus</a> </p> <a href="https://publications.waset.org/abstracts/60378/the-role-of-leukocyte-derived-il-10-on-postoperative-ileus-and-intestinal-macrophage-differentiation-in-mice" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60378.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">356</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">8</span> Photocaged Carbohydrates: Versatile Tools for Biotechnological Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Claus%20Bier">Claus Bier</a>, <a href="https://publications.waset.org/abstracts/search?q=Dennis%20Binder"> Dennis Binder</a>, <a href="https://publications.waset.org/abstracts/search?q=Alexander%20Gruenberger"> Alexander Gruenberger</a>, <a href="https://publications.waset.org/abstracts/search?q=Dagmar%20Drobietz"> Dagmar Drobietz</a>, <a href="https://publications.waset.org/abstracts/search?q=Dietrich%20Kohlheyer"> Dietrich Kohlheyer</a>, <a href="https://publications.waset.org/abstracts/search?q=Anita%20Loeschcke"> Anita Loeschcke</a>, <a href="https://publications.waset.org/abstracts/search?q=Karl%20Erich%20Jaeger"> Karl Erich Jaeger</a>, <a href="https://publications.waset.org/abstracts/search?q=Thomas%20Drepper"> Thomas Drepper</a>, <a href="https://publications.waset.org/abstracts/search?q=Joerg%20Pietruszka"> Joerg Pietruszka</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Light absorbing chromophoric systems are important optogenetic tools for biotechnical and biophysical investigations. Processes such as fluorescence or photolysis can be triggered by light-absorption of chromophores. These play a central role in life science. Photocaged compounds belong to such chromophoric systems. The photo-labile protecting groups enable them to release biologically active substances with high temporal and spatial resolution. The properties of photocaged compounds are specified by the characteristics of the caging group as well as the characteristics of the linked effector molecule. In our research, we work with different types of photo-labile protecting groups and various effector molecules giving us possible access to a large library of caged compounds. As a function of the caged effector molecule, a nearly limitless number of biological systems can be directed. Our main interest focusses on photocaging carbohydrates (e.g. arabinose) and their derivatives as effector molecules. Based on these resulting photocaged compounds a precisely controlled photoinduced gene expression will give us access to studies of numerous biotechnological and synthetic biological applications. It could be shown, that the regulation of gene expression via light is possible with photocaged carbohydrates achieving a higher-order control over this processes. With the one-step cleavable photocaged carbohydrate, a homogeneous expression was achieved in comparison to free carbohydrates. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bacterial%20gene%20expression" title="bacterial gene expression">bacterial gene expression</a>, <a href="https://publications.waset.org/abstracts/search?q=biotechnology" title=" biotechnology"> biotechnology</a>, <a href="https://publications.waset.org/abstracts/search?q=caged%20compounds" title=" caged compounds"> caged compounds</a>, <a href="https://publications.waset.org/abstracts/search?q=carbohydrates" title=" carbohydrates"> carbohydrates</a>, <a href="https://publications.waset.org/abstracts/search?q=optogenetics" title=" optogenetics"> optogenetics</a>, <a href="https://publications.waset.org/abstracts/search?q=photo-removable%20protecting%20group" title=" photo-removable protecting group"> photo-removable protecting group</a> </p> <a href="https://publications.waset.org/abstracts/55557/photocaged-carbohydrates-versatile-tools-for-biotechnological-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/55557.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">227</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">7</span> Quality Control of Distinct Cements by IR Spectroscopy: First, insights into Perspectives and Opportunities</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tobias%20Bader">Tobias Bader</a>, <a href="https://publications.waset.org/abstracts/search?q=Joerg%20Rickert"> Joerg Rickert</a> </p> <p class="card-text"><strong>Abstract:</strong></p> One key factor in achieving net zero emissions along the cement and concrete value chain in Europe by 2050 is the use of distinct constituents to produce improved and advanced cements. These cements will contain e.g. calcined clays, recycled concrete fines that are chemically similar as well as X-ray amorphous and therefore difficult to distinguish. This leads to enhanced requirements on the analytical methods for quality control regarding accuracy as well as reproducibility due to the more complex cement composition. With the methods currently provided for in the European standards, it will be a challenge to ensure reliable analyses of the composition of the cements. In an ongoing research project, infrared (IR) spectroscopy in combination with mathematical tools (chemometrics) is going to be evaluated as an additional analytical method with fast and low preparation effort for the characterization of silicate-based cement constituents. The resulting comprehensive database should facilitate determination of the composition of new cements. First results confirmed the applicability of near-infrared IR for the characterization of traditional silicate-based cement constituents (e.g. clinker, granulated blast furnace slag) and modern X-ray amorphous constituents (e.g. calcined clay, recycled concrete fines) as well as different sulfate species (e.g. gypsum, hemihydrate, anhydrite). A multivariant calibration model based on numerous calibration mixtures is in preparation. The final analytical concept to be developed will form the basis for establishing IR spectroscopy as a rapid analytical method for characterizing material flows of known and unknown inorganic substances according to their material properties online and offline. The underlying project was funded by the Federal Institute for Research on Building, Urban Affairs and Spatial Development on behalf of the Federal Ministry of Housing, Urban Development and Building with funds from the ‘Zukunft Bau’ research programme. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cement" title="cement">cement</a>, <a href="https://publications.waset.org/abstracts/search?q=infrared%20spectroscopy" title=" infrared spectroscopy"> infrared spectroscopy</a>, <a href="https://publications.waset.org/abstracts/search?q=quality%20control" title=" quality control"> quality control</a>, <a href="https://publications.waset.org/abstracts/search?q=X-ray%20amorphous" title=" X-ray amorphous"> X-ray amorphous</a> </p> <a href="https://publications.waset.org/abstracts/188878/quality-control-of-distinct-cements-by-ir-spectroscopy-first-insights-into-perspectives-and-opportunities" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/188878.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">39</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">6</span> The Association between Antimicrobial Usage and Biosecurity Practices on Commercial Chicken Farms in Bangladesh</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tasneem%20Imam">Tasneem Imam</a>, <a href="https://publications.waset.org/abstracts/search?q=Justine%20S.%20Gibson"> Justine S. Gibson</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20%20Foysal"> Mohammad Foysal</a>, <a href="https://publications.waset.org/abstracts/search?q=Shetu%20B.%20Das"> Shetu B. Das</a>, <a href="https://publications.waset.org/abstracts/search?q=Rashed%20%20Mahmud"> Rashed Mahmud</a>, <a href="https://publications.waset.org/abstracts/search?q=Suman%20D.%20Gupta"> Suman D. Gupta</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahasanul%20Hoque"> Ahasanul Hoque</a>, <a href="https://publications.waset.org/abstracts/search?q=Guillaume%20Fournie"> Guillaume Fournie</a>, <a href="https://publications.waset.org/abstracts/search?q=Joerg%20%20Henning"> Joerg Henning</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Commercial chicken production is an import livestock industry in Bangladesh. Antimicrobials are commonly used to control and prevent infectious diseases. It was hypothesized that inadequate biosecurity practices might promote antimicrobial usage on commercial chicken farms. A cross-sectional study was carried out to evaluate antimicrobial usage and farm biosecurity practices implemented on 57 layer and 83 broiler farms in eight sub-districts of the Chattogram district in Bangladesh. A questionnaire was used to collect data on antimicrobial usage and biosecurity practices on these farms. A causal framework was used to guide the development of a multi-level mixed-effects logistic regression analysis to evaluate the total and direct effects of practiced biosecurity management on prophylactic and therapeutic administration of antimicrobials. A total of 24 antimicrobials were administered in the current production cycle at the time of the survey. The most administered antimicrobials on layer farms were ciprofloxacin (37.0% of farms), amoxicillin (33.3%), and tiamulin (31.5%); however, on broiler farms, colistin (56.6% of farms), doxycycline (50.6%), and neomycin (38.6%) were most used. Only 15.3% of commercial farmers used antimicrobials entirely for therapeutic purposes, whereas 84.7% administered antimicrobials prophylactically. Inadequate biosecurity practices were more common among commercial broiler farmers compared to layer farmers. For example, only 2.4% of broiler farmers used footbaths before entering sheds compared to 22.2% of the layer farmers (p < 0.001). Farms that used antimicrobials only for therapeutic purposes (vs prophylactic) implemented more frequently adequate disease control measures, such as separating sick birds from healthy birds. This research highlighted that the prophylactic application of antimicrobials is often conducted to substitute poor biosecurity practices on commercial chicken farms. Awareness programs for farmers are crucial to inform them about the risk associated with antimicrobial usage and to highlight the economic benefits of implementing cost-effective biosecurity measures to control infectious poultry diseases. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antimicrobial" title="antimicrobial">antimicrobial</a>, <a href="https://publications.waset.org/abstracts/search?q=biosecurity" title=" biosecurity"> biosecurity</a>, <a href="https://publications.waset.org/abstracts/search?q=broiler" title=" broiler"> broiler</a>, <a href="https://publications.waset.org/abstracts/search?q=layer" title=" layer"> layer</a> </p> <a href="https://publications.waset.org/abstracts/138026/the-association-between-antimicrobial-usage-and-biosecurity-practices-on-commercial-chicken-farms-in-bangladesh" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/138026.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">164</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">5</span> A Normalized Non-Stationary Wavelet Based Analysis Approach for a Computer Assisted Classification of Laryngoscopic High-Speed Video Recordings</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mona%20K.%20Fehling">Mona K. Fehling</a>, <a href="https://publications.waset.org/abstracts/search?q=Jakob%20Unger"> Jakob Unger</a>, <a href="https://publications.waset.org/abstracts/search?q=Dietmar%20J.%20Hecker"> Dietmar J. Hecker</a>, <a href="https://publications.waset.org/abstracts/search?q=Bernhard%20Schick"> Bernhard Schick</a>, <a href="https://publications.waset.org/abstracts/search?q=Joerg%20Lohscheller"> Joerg Lohscheller</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Voice disorders origin from disturbances of the vibration patterns of the two vocal folds located within the human larynx. Consequently, the visual examination of vocal fold vibrations is an integral part within the clinical diagnostic process. For an objective analysis of the vocal fold vibration patterns, the two-dimensional vocal fold dynamics are captured during sustained phonation using an endoscopic high-speed camera. In this work, we present an approach allowing a fully automatic analysis of the high-speed video data including a computerized classification of healthy and pathological voices. The approach bases on a wavelet-based analysis of so-called phonovibrograms (PVG), which are extracted from the high-speed videos and comprise the entire two-dimensional vibration pattern of each vocal fold individually. Using a principal component analysis (PCA) strategy a low-dimensional feature set is computed from each phonovibrogram. From the PCA-space clinically relevant measures can be derived that quantify objectively vibration abnormalities. In the first part of the work it will be shown that, using a machine learning approach, the derived measures are suitable to distinguish automatically between healthy and pathological voices. Within the approach the formation of the PCA-space and consequently the extracted quantitative measures depend on the clinical data, which were used to compute the principle components. Therefore, in the second part of the work we proposed a strategy to achieve a normalization of the PCA-space by registering the PCA-space to a coordinate system using a set of synthetically generated vibration patterns. The results show that owing to the normalization step potential ambiguousness of the parameter space can be eliminated. The normalization further allows a direct comparison of research results, which bases on PCA-spaces obtained from different clinical subjects. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Wavelet-based%20analysis" title="Wavelet-based analysis">Wavelet-based analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=Multiscale%20product" title=" Multiscale product"> Multiscale product</a>, <a href="https://publications.waset.org/abstracts/search?q=normalization" title=" normalization"> normalization</a>, <a href="https://publications.waset.org/abstracts/search?q=computer%20assisted%20classification" title=" computer assisted classification"> computer assisted classification</a>, <a href="https://publications.waset.org/abstracts/search?q=high-speed%20laryngoscopy" title=" high-speed laryngoscopy"> high-speed laryngoscopy</a>, <a href="https://publications.waset.org/abstracts/search?q=vocal%20fold%20analysis" title=" vocal fold analysis"> vocal fold analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=phonovibrogram" title=" phonovibrogram"> phonovibrogram</a> </p> <a href="https://publications.waset.org/abstracts/51843/a-normalized-non-stationary-wavelet-based-analysis-approach-for-a-computer-assisted-classification-of-laryngoscopic-high-speed-video-recordings" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/51843.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">265</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">4</span> Modelling of Solidification in a Latent Thermal Energy Storage with a Finned Tube Bundle Heat Exchanger Unit</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Remo%20Waser">Remo Waser</a>, <a href="https://publications.waset.org/abstracts/search?q=Simon%20Maranda"> Simon Maranda</a>, <a href="https://publications.waset.org/abstracts/search?q=Anastasia%20Stamatiou"> Anastasia Stamatiou</a>, <a href="https://publications.waset.org/abstracts/search?q=Ludger%20J.%20Fischer"> Ludger J. Fischer</a>, <a href="https://publications.waset.org/abstracts/search?q=Joerg%20Worlitschek"> Joerg Worlitschek</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In latent heat storage, a phase change material (PCM) is used to store thermal energy. The heat transfer rate during solidification is limited and considered as a key challenge in the development of latent heat storages. Thus, finned heat exchangers (HEX) are often utilized to increase the heat transfer rate of the storage system. In this study, a new modeling approach to calculating the heat transfer rate in latent thermal energy storages with complex HEX geometries is presented. This model allows for an optimization of the HEX design in terms of costs and thermal performance of the system. Modeling solidification processes requires the calculation of time-dependent heat conduction with moving boundaries. Commonly used computational fluid dynamic (CFD) methods enable the analysis of the heat transfer in complex HEX geometries. If applied to the entire storage, the drawback of this approach is the high computational effort due to small time steps and fine computational grids required for accurate solutions. An alternative to describe the process of solidification is the so-called temperature-based approach. In order to minimize the computational effort, a quasi-stationary assumption can be applied. This approach provides highly accurate predictions for tube heat exchangers. However, it shows unsatisfactory results for more complex geometries such as finned tube heat exchangers. The presented simulation model uses a temporal and spatial discretization of heat exchanger tube. The spatial discretization is based on the smallest possible symmetric segment of the HEX. The heat flow in each segment is calculated using finite volume method. Since the heat transfer fluid temperature can be derived using energy conservation equations, the boundary conditions at the inner tube wall is dynamically updated for each time step and segment. The model allows a prediction of the thermal performance of latent thermal energy storage systems using complex HEX geometries with considerably low computational effort. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=modelling%20of%20solidification" title="modelling of solidification">modelling of solidification</a>, <a href="https://publications.waset.org/abstracts/search?q=finned%20tube%20heat%20exchanger" title=" finned tube heat exchanger"> finned tube heat exchanger</a>, <a href="https://publications.waset.org/abstracts/search?q=latent%20thermal%20energy%20storage" title=" latent thermal energy storage"> latent thermal energy storage</a> </p> <a href="https://publications.waset.org/abstracts/63495/modelling-of-solidification-in-a-latent-thermal-energy-storage-with-a-finned-tube-bundle-heat-exchanger-unit" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/63495.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">268</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">3</span> Rhizobia-Containing Rhizobacterial Consortia and Intercropping Improved Faba Bean and Wheat Performances Under Stress Combining Drought and Phosphorus Deficiency</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Said%20Cheto">Said Cheto</a>, <a href="https://publications.waset.org/abstracts/search?q=Khawla%20Oukaltouma"> Khawla Oukaltouma</a>, <a href="https://publications.waset.org/abstracts/search?q=Imane%20Chamkhi"> Imane Chamkhi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ammar%20Ibn%20Yasser"> Ammar Ibn Yasser</a>, <a href="https://publications.waset.org/abstracts/search?q=Bouchra%20Benmrid"> Bouchra Benmrid</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20Qaddoury"> Ahmed Qaddoury</a>, <a href="https://publications.waset.org/abstracts/search?q=Lamfeddal%20Kouisni"> Lamfeddal Kouisni</a>, <a href="https://publications.waset.org/abstracts/search?q=Joerg%20Geistlinger"> Joerg Geistlinger</a>, <a href="https://publications.waset.org/abstracts/search?q=Youssef%20Zeroual"> Youssef Zeroual</a>, <a href="https://publications.waset.org/abstracts/search?q=Adnane%20Bargaz"> Adnane Bargaz</a>, <a href="https://publications.waset.org/abstracts/search?q=Cherki%20Ghoulam"> Cherki Ghoulam</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Our study aimed to assess, the role of inoculation of faba bean/wheat intercrops with selected rhizobacteria consortia gathering one rhizobia and two phosphate solubilizing bacteria “PSB” to alleviate the effects of combined water deficit and P limitation on Faba bean/ wheat intercrops versus monocrops under greenhouse conditions. One Vicia faba L variety (Aguadulce “Ag”), and one Triticum durum L. variety (Karim “K”) were grown as sole crops or intercrop in pots containing sterilized substrate (sand: peat 4:1v/v) added either with rock phosphate (RP) as the alone P source (P limitation) or with KH₂PO₄ in nutrient solution (P sufficient control). Plant inoculation was done using rhizobacterial consortia composed; C1(Rhizobium laguerreae, Kocuria sp, and Pseudomonas sp) and C2 (R. laguerreae, Rahnella sp, and Kocuria sp). Two weeks after inoculation, the plants were submitted to water deficit consisting of 40% of substrate water holding Capacity (WHC) versus 80% WHC for well-watered plants. At the flowering stage, the trial was assessed, and the results showed that inoculation with both consortia (C1 and C2) improved faba bean biomass in terms of shoots, roots, and nodules compared to inoculation with rhizobia alone, particularly C2 improved these parametres by 19.03, 78.99, and 72.73%, respectively. Leaf relative water content decreased under combined stress, particularly in response to C1 with a significant improvement of this parameter in wheat intercrops. For faba bean under P limitation, inoculation with C2 increased stomatal conductance (gs) by 35.73% compared to plants inoculated with rhizobia alone. Furthermore, the same inoculum C2 improved membrane stability by 44,33% versus 16,16% for C1 compared to inoculation with rhizobia alone under P deficit. For sole cropped faba bean plants, inoculation with both consortia improved N accumulation compared to inoculation with rhizobia alone with an increase of 70.75% under P limitation. Moreover, under the combined stress, intercropping inoculation with C2 improved plant biomass and N content (112.98%) in wheat plants, compared to the sole crop. Our finding revealed that consortium C2 might offer an agronomic advantage under water and P deficit and could be used as inoculum for enhancing faba bean and wheat production under both monocropping and intercropping systems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=drought" title="drought">drought</a>, <a href="https://publications.waset.org/abstracts/search?q=phosphorus" title=" phosphorus"> phosphorus</a>, <a href="https://publications.waset.org/abstracts/search?q=intercropping" title=" intercropping"> intercropping</a>, <a href="https://publications.waset.org/abstracts/search?q=PSB" title=" PSB"> PSB</a>, <a href="https://publications.waset.org/abstracts/search?q=rhizobia" title=" rhizobia"> rhizobia</a>, <a href="https://publications.waset.org/abstracts/search?q=vicia%20faba" title=" vicia faba"> vicia faba</a>, <a href="https://publications.waset.org/abstracts/search?q=Triticum%20durum" title=" Triticum durum"> Triticum durum</a> </p> <a href="https://publications.waset.org/abstracts/163616/rhizobia-containing-rhizobacterial-consortia-and-intercropping-improved-faba-bean-and-wheat-performances-under-stress-combining-drought-and-phosphorus-deficiency" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/163616.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">73</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">2</span> Arthropods Diversity of the Late Carboniferous Souss Basin, Morocco: Paleoecology and Taphonomy</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abouchouaib%20Belahmira">Abouchouaib Belahmira</a>, <a href="https://publications.waset.org/abstracts/search?q=Joerg%20W.%20Schneider"> Joerg W. Schneider</a>, <a href="https://publications.waset.org/abstracts/search?q=Hafid%20Saber"> Hafid Saber</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Continental sediments of the uppermost Carboniferous (late Pennsylvanian) El Menizla and Oued Issene formations of the Souss basin, Southwestern High Atlas Mountains, Morocco have yielded abundant well-preserved arthropods. The latter comprise freshwater and terrestrial elements, were found associated with plants, freshwater jellyfish and pelecypods. Arthropods are ubiquitous and typically restricted to the dominated lacustrine black shale taphofacies. The lithofacies interpretation and its correlation with the taphofacies led to the determination of the original depositional environment that was reconstructed as a fluvial-dominated with braided wide channel system and floodplain lakes to peat local backswamps sub-environments. The late Carboniferous fossiliferous strata have been correlated biostratigraphically with many other Pennsylvanian (Kasimovian/Gzhelian) deposits of North America and Europe on the basis of entomological studies. The faunal elements of the lentic biocoenosis of the Souss basin are depauperate, with the vagile forms slightly diverse than sessile ones. The prevailing groups are small shelly fauna, other habitat guild such as apterygotan Monura insect dasyleptids. The fossils recorded from the Souss basin includes crustaceans, of various sizes (µm- to mm) and morphologies, preservation state ranging from poorly preserved to rarely well-preserved specimens. Their remains sporadically found clustered and preserved as internal or external shell molds or steinkerns often disarticulated specimens. Ostracods as more likely Carbonita, their shells are preserved three-dimensionally. The clam shrimps conchostracans record of the Souss basin are often determined as pseudestherids and the Spinicaudatan leaiids. The moldic preservation is somewhat similar to pelecypods, they are known from internal casts or impressions. Monura insects are characterized by their low diversity, thus, only two species are known Dasyleptus lucasi Brongniart and Dasyleptus noli Rasnitsyn. The terrestrial component consists of pterygotan insects. They are diverse, significantly more frequent throughout the Souss basin fossil localities, numerically dominated by the members of Blattodea (cockroaches). The fossil record includes Blattodea, Protorthoptera, Diaphanopterodea, Ephemeroptera (mayfly) , Calneurodea, Grylloblattodea, Miomoptera and Palaeodictyoptera. Additionally, the composition of the preserved insect is mostly represented by completely isolated forewings, rare membranous hindwings, parts of the body or exceptionally preserved specimens, which may reflect a wide spectrum of taphonomic pathways. The steady increase in taxonomic diversity of fossil sites in the Souss basin, together with the taphonomic interpretation of arthropods assemblages, have contributed to provide a novel insight into the complex terrestrial ecosystem that thrived in this paleotropical key region during the late Pennsylvanian and additionally to understand climate-driven paleobiogeography and paleoecology of late Paleozoic non-marine arthropods. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Souss" title="Souss">Souss</a>, <a href="https://publications.waset.org/abstracts/search?q=carboniferous" title=" carboniferous"> carboniferous</a>, <a href="https://publications.waset.org/abstracts/search?q=arthropods" title=" arthropods"> arthropods</a>, <a href="https://publications.waset.org/abstracts/search?q=taphonomy" title=" taphonomy"> taphonomy</a>, <a href="https://publications.waset.org/abstracts/search?q=paleoecology." title=" paleoecology."> paleoecology.</a> </p> <a href="https://publications.waset.org/abstracts/188839/arthropods-diversity-of-the-late-carboniferous-souss-basin-morocco-paleoecology-and-taphonomy" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/188839.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">33</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1</span> Facies Analysis and Depositional Environment of the Late Carboniferous (Stephanian) Souss Basin, Morocco</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abouchouaib%20Belahmira">Abouchouaib Belahmira</a>, <a href="https://publications.waset.org/abstracts/search?q=Joerg%20W.%20Schneider"> Joerg W. Schneider</a>, <a href="https://publications.waset.org/abstracts/search?q=Hafid%20Saber"> Hafid Saber</a>, <a href="https://publications.waset.org/abstracts/search?q=Sara%20Akboub"> Sara Akboub</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The lithofacies analyzed herein were reported from the interbedded fluvial and lacustrine deposits of the Oued Issene and El Menizla formations. These formations are part of the sedimentary fill of the Carboniferous (Stephanian) submontaneous Souss basin. The latter is situated in the western High Atlas Mountains, south-central Morocco, about 50km east of Agadir. The Souss basin started as a single basin but was separated into sub-basins called Ida Ou Zal and Ida Ou Ziki by sinistral displacement along the west branch of the Tizi N'Test Fault during the end of the Mauritanid phase of the Variscan orogeny in Morocco, after the early Stephanian (Kasimovian) and before the late middle Permian (Capitanian). The studied succession is a monotonous finning-upward sequence of 1800 m thick. It consists of fine-grained sandstone, finely bedded siltstone and thinly laminated claystone, and black shale. Herein we provide a detailed characterization of lithofacies of the upper El Menizla and Oued Issène formations, with a focus on the prevailing overbank to flood plain fine-grained lithofacies. The studied facies are capping the Stephanian alluvial fan basal clast-supported conglomerates that are intercalated bedded coarse-grained sandstones of Ikhourba Formation in the Ou Zal subbasin and Tajgaline Formation in the Ida Ou Ziki subbasin, respectively. Within the fluvial elements, only two main facies have been observed. It comprises channel-fill and channel-bar deposits, mostly occur as lenticular –shape sand bodies or sheet-like sand greenish to gray fine-to medium (Fm), massive internally structureless, or very locally exhibits a medium to large scale trough-cross bedding medium to coarse sandstone (St), observable in relatively thicker bed. These facies are laterally extensive, with a thickness varying from a few to several meters. Finer-grained sediments such as mud can be present as drapes over bedforms. Whilst the fluvial association FA1, the overbank elements are represented by a relatively wide range of 5 facies. This exhibit mostly a cm scale horizontally bedded greenish fine- to medium sand and silt, and mm scale fossiliferous thinly laminated dark gray- black Corganic-rich clays to siltstone associated with black shale. Thus, FA2 includes flood plain fines (Fh, R) associated with the paleosols and back swamp coaly clay facies (C). The floodplain lake element comprises only laminated organic-rich dark gray facies of claystone, black shale, and graded siltstone. Bedsets are dm to several meters thick (typically < 1 m thick). They are intercalated between several m-thick fluvial sandstone, extend over a few meters, and are poorly bioturbated. The lacustrine facies described in this study have been divided into two sub-facies (Fl, B) based on field observations that indicate differing environmental conditions of formation. Thus, the thorough analysis of the lithofacies of the Souss basin units allows us to reconstruct the original environment that was interpreted as a typical fluvial-dominated braided to anastomosing wide distributary channel system and surrounding deep to shallow freshwater floodplain lakes and back swamps. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Souss" title="Souss">Souss</a>, <a href="https://publications.waset.org/abstracts/search?q=carboniferous" title=" carboniferous"> carboniferous</a>, <a href="https://publications.waset.org/abstracts/search?q=facies" title=" facies"> facies</a>, <a href="https://publications.waset.org/abstracts/search?q=depositional%20setting" title=" depositional setting"> depositional setting</a> </p> <a href="https://publications.waset.org/abstracts/161080/facies-analysis-and-depositional-environment-of-the-late-carboniferous-stephanian-souss-basin-morocco" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161080.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">98</span> </span> </div> </div> </div> </main> <footer> <div id="infolinks" class="pt-3 pb-2"> <div class="container"> <div style="background-color:#f5f5f5;" class="p-3"> <div class="row"> <div class="col-md-2"> <ul class="list-unstyled"> About <li><a href="https://waset.org/page/support">About Us</a></li> <li><a href="https://waset.org/page/support#legal-information">Legal</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/WASET-16th-foundational-anniversary.pdf">WASET celebrates its 16th foundational anniversary</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Account <li><a href="https://waset.org/profile">My Account</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Explore <li><a href="https://waset.org/disciplines">Disciplines</a></li> <li><a href="https://waset.org/conferences">Conferences</a></li> <li><a href="https://waset.org/conference-programs">Conference Program</a></li> <li><a href="https://waset.org/committees">Committees</a></li> <li><a href="https://publications.waset.org">Publications</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Research <li><a href="https://publications.waset.org/abstracts">Abstracts</a></li> <li><a href="https://publications.waset.org">Periodicals</a></li> <li><a href="https://publications.waset.org/archive">Archive</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Open Science <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Open-Science-Philosophy.pdf">Open Science Philosophy</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Open-Science-Award.pdf">Open Science Award</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Open-Society-Open-Science-and-Open-Innovation.pdf">Open Innovation</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Postdoctoral-Fellowship-Award.pdf">Postdoctoral Fellowship Award</a></li> <li><a target="_blank" rel="nofollow" href="https://publications.waset.org/static/files/Scholarly-Research-Review.pdf">Scholarly Research Review</a></li> </ul> </div> <div class="col-md-2"> <ul class="list-unstyled"> Support <li><a href="https://waset.org/page/support">Support</a></li> <li><a href="https://waset.org/profile/messages/create">Contact Us</a></li> <li><a href="https://waset.org/profile/messages/create">Report Abuse</a></li> </ul> </div> </div> </div> </div> </div> <div class="container text-center"> <hr style="margin-top:0;margin-bottom:.3rem;"> <a href="https://creativecommons.org/licenses/by/4.0/" target="_blank" class="text-muted small">Creative Commons Attribution 4.0 International License</a> <div id="copy" class="mt-2">© 2024 World Academy of Science, Engineering and Technology</div> </div> </footer> <a href="javascript:" id="return-to-top"><i class="fas fa-arrow-up"></i></a> <div class="modal" id="modal-template"> <div class="modal-dialog"> <div class="modal-content"> <div class="row m-0 mt-1"> <div class="col-md-12"> <button type="button" class="close" data-dismiss="modal" aria-label="Close"><span aria-hidden="true">×</span></button> </div> </div> <div class="modal-body"></div> </div> </div> </div> <script src="https://cdn.waset.org/static/plugins/jquery-3.3.1.min.js"></script> <script src="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/js/bootstrap.bundle.min.js"></script> <script src="https://cdn.waset.org/static/js/site.js?v=150220211556"></script> <script> jQuery(document).ready(function() { /*jQuery.get("https://publications.waset.org/xhr/user-menu", function (response) { jQuery('#mainNavMenu').append(response); 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