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Veselý</title> <meta name="description" content="Search results for: Jozef Veselý"> <meta name="keywords" content="Jozef Veselý"> <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="Jozef Veselý"> <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> 27</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Jozef Veselý</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">27</span> Magnesium Alloys Containing Y, Gd and Ca with Enhanced Ignition Temperature and Mechanical Properties for Aviation Applications</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ji%C5%99%C3%AD%20Kub%C3%A1sek">Jiří Kubásek</a>, <a href="https://publications.waset.org/abstracts/search?q=Peter%20Min%C3%A1rik"> Peter Minárik</a>, <a href="https://publications.waset.org/abstracts/search?q=Kl%C3%A1ra%20Hosov%C3%A1"> Klára Hosová</a>, <a href="https://publications.waset.org/abstracts/search?q=Stanislav%20%C5%A0a%C5%A1ek"> Stanislav Šašek</a>, <a href="https://publications.waset.org/abstracts/search?q=Jozef%20Vesel%C3%BD"> Jozef Veselý</a>, <a href="https://publications.waset.org/abstracts/search?q=Jitka%20Str%C3%A1sk%C3%A1"> Jitka Stráská</a>, <a href="https://publications.waset.org/abstracts/search?q=Drahom%C3%ADr%20Dvorsk%C3%BD"> Drahomír Dvorský</a>, <a href="https://publications.waset.org/abstracts/search?q=Dalibor%20Vojt%C4%9Bch"> Dalibor Vojtěch</a>, <a href="https://publications.waset.org/abstracts/search?q=Milo%C5%A1%20Jane%C4%8Dek"> Miloš Janeček</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Mg-2Y-2Gd-1Ca and Mg-4Y-4Gd-2Ca alloys were processed by extrusion or equal channel angular pressing (ECAP) to analyse the effect of the microstructure on ignition temperature, mechanical properties and corrosion resistance. The alloys are characterized by good mechanical properties and exceptionally high ignition temperature, which is a critical safety measure. The effect of extrusion and ECAP on the microstructure, mechanical properties and ignition temperature was studied. The obtained results indicated a substantial effect of the processing conditions on the average grain size, the recrystallized fraction and texture formation. Both alloys featured a high strength, depending on the composition and processing condition, and a high ignition temperature of ≈1100 °C (Mg-4Y-4Gd-2Ca) and ≈950 °C (Mg-2Y-2Gd-1Ca), which was attributed to the synergic effect of Y, Gd and Ca oxides, with the dominant effect of Y₂O₃. The achieved combination of enhanced mechanical properties and the ignition temperature makes these alloys a prominent candidate for aircraft applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=magnesium%20alloys" title="magnesium alloys">magnesium alloys</a>, <a href="https://publications.waset.org/abstracts/search?q=enhanced%20ignition%20temperature" title=" enhanced ignition temperature"> enhanced ignition temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20properties" title=" mechanical properties"> mechanical properties</a>, <a href="https://publications.waset.org/abstracts/search?q=ECAP" title=" ECAP"> ECAP</a> </p> <a href="https://publications.waset.org/abstracts/157860/magnesium-alloys-containing-y-gd-and-ca-with-enhanced-ignition-temperature-and-mechanical-properties-for-aviation-applications" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/157860.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">111</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">26</span> Failure Analysis of the Gasoline Engines Injection System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jozef%20Jurcik">Jozef Jurcik</a>, <a href="https://publications.waset.org/abstracts/search?q=Miroslav%20Gutten"> Miroslav Gutten</a>, <a href="https://publications.waset.org/abstracts/search?q=Milan%20Sebok"> Milan Sebok</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Korenciak"> Daniel Korenciak</a>, <a href="https://publications.waset.org/abstracts/search?q=Jerzy%20Roj"> Jerzy Roj</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The paper presents the research results of electronic fuel injection system, which can be used for diagnostics of automotive systems. In the paper is described the construction and operation of a typical fuel injection system and analyzed its electronic part. It has also been proposed method for the detection of the injector malfunction, based on the analysis of differential current or voltage characteristics. In order to detect the fault state, it is needed to use self-learning process, by the use of an appropriate self-learning algorithm. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electronic%20fuel%20injector" title="electronic fuel injector">electronic fuel injector</a>, <a href="https://publications.waset.org/abstracts/search?q=diagnostics" title=" diagnostics"> diagnostics</a>, <a href="https://publications.waset.org/abstracts/search?q=measurement" title=" measurement"> measurement</a>, <a href="https://publications.waset.org/abstracts/search?q=testing%20device" title=" testing device"> testing device</a> </p> <a href="https://publications.waset.org/abstracts/23302/failure-analysis-of-the-gasoline-engines-injection-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23302.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">552</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">25</span> 2D and 3D Unsteady Simulation of the Heat Transfer in the Sample during Heat Treatment by Moving Heat Source</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zden%C4%9Bk%20Vesel%C3%BD">Zdeněk Veselý</a>, <a href="https://publications.waset.org/abstracts/search?q=Milan%20Honner"> Milan Honner</a>, <a href="https://publications.waset.org/abstracts/search?q=Ji%C5%99%C3%AD%20Mach"> Jiří Mach </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of the performed work is to establish the 2D and 3D model of direct unsteady task of sample heat treatment by moving source employing computer model on the basis of finite element method. The complex boundary condition on heat loaded sample surface is the essential feature of the task. Computer model describes heat treatment of the sample during heat source movement over the sample surface. It is started from the 2D task of sample cross section as a basic model. Possibilities of extension from 2D to 3D task are discussed. The effect of the addition of third model dimension on the temperature distribution in the sample is showed. Comparison of various model parameters on the sample temperatures is observed. Influence of heat source motion on the depth of material heat treatment is shown for several velocities of the movement. Presented computer model is prepared for the utilization in laser treatment of machine parts. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=computer%20simulation" title="computer simulation">computer simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=unsteady%20model" title=" unsteady model"> unsteady model</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20treatment" title=" heat treatment"> heat treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=complex%20boundary%20condition" title=" complex boundary condition"> complex boundary condition</a>, <a href="https://publications.waset.org/abstracts/search?q=moving%20heat%20source" title=" moving heat source"> moving heat source</a> </p> <a href="https://publications.waset.org/abstracts/32393/2d-and-3d-unsteady-simulation-of-the-heat-transfer-in-the-sample-during-heat-treatment-by-moving-heat-source" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/32393.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">394</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">24</span> Calculation of Methane Emissions from Wetlands in Slovakia via IPCC Methodology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jozef%20Mindas">Jozef Mindas</a>, <a href="https://publications.waset.org/abstracts/search?q=Jana%20Skvareninova"> Jana Skvareninova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Wetlands are a main natural source of methane emissions, but they also represent the important biodiversity reservoirs in the landscape. There are about 26 thousands hectares of wetlands in Slovakia identified via the wetlands monitoring program. Created database of wetlands in Slovakia allows to analyze several ecological processes including also the methane emissions estimate. Based on the information from the database, the first estimate of the methane emissions from wetlands in Slovakia has been done. The IPCC methodology (Tier 1 approach) has been used with proposed emission factors for the ice-free period derived from the climatic data. The highest methane emissions of nearly 550 Gg are associated with the category of fens. Almost 11 Gg of methane is emitted from bogs, and emissions from flooded lands represent less than 8 Gg. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bogs" title="bogs">bogs</a>, <a href="https://publications.waset.org/abstracts/search?q=methane%20emissions" title=" methane emissions"> methane emissions</a>, <a href="https://publications.waset.org/abstracts/search?q=Slovakia" title=" Slovakia"> Slovakia</a>, <a href="https://publications.waset.org/abstracts/search?q=wetlands" title=" wetlands"> wetlands</a> </p> <a href="https://publications.waset.org/abstracts/52427/calculation-of-methane-emissions-from-wetlands-in-slovakia-via-ipcc-methodology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52427.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">285</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">23</span> Evaluation of External Costs of Traffic Accident in Slovak Republic</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Anna%20Dolinayova">Anna Dolinayova</a>, <a href="https://publications.waset.org/abstracts/search?q=Jozef%20Danis"> Jozef Danis</a>, <a href="https://publications.waset.org/abstracts/search?q=Juraj%20Camaj"> Juraj Camaj</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The report deals with comparison of traffic accidents in Slovak republic in road and rail transport since year 2009 until 2014, with evaluation of external costs and consequently with the possibilities of their internalization. The results of road traffic accidents analysis are realized in line with after-effects they have caused; in line with main cause, place of origin (within or out of town) and in accordance to age of people they were killed or hard, eventually easy injured in traffic accidents. Evaluation of individual after-effects is carried in terms of probability of traffic accidents occurrence. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=external%20costs" title="external costs">external costs</a>, <a href="https://publications.waset.org/abstracts/search?q=traffic%20accident" title=" traffic accident"> traffic accident</a>, <a href="https://publications.waset.org/abstracts/search?q=rail%20transport" title=" rail transport"> rail transport</a>, <a href="https://publications.waset.org/abstracts/search?q=road%20transport" title=" road transport"> road transport</a> </p> <a href="https://publications.waset.org/abstracts/40259/evaluation-of-external-costs-of-traffic-accident-in-slovak-republic" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/40259.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">594</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">22</span> Antiglycemic Activity of Raw Plant Materials as Potential Components of Functional Food</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ewa%20Flaczyk">Ewa Flaczyk</a>, <a href="https://publications.waset.org/abstracts/search?q=Monika%20Przeor"> Monika Przeor</a>, <a href="https://publications.waset.org/abstracts/search?q=Joanna%20Kobus-Cisowska"> Joanna Kobus-Cisowska</a>, <a href="https://publications.waset.org/abstracts/search?q=J%C3%B3zef%20Korczak"> Józef Korczak</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this paper was to collect the information concerning the most popular raw plant materials of antidiabetic activity, in a context of functional food developing production. The elaboration discusses morphological elements possible for an application in functional food production of the plants such as: common bean, ginger, Ceylon cinnamon, white mulberry, fenugreek, French lilac, ginseng, jambolão, and bitter melon. An activity of bioactive substances contained in these raw plant materials was presented, pointing their antiglycemic and also hypocholesterolemic, antiarthritic, antirheumatic, antibacterial, and antiviral activity in the studies on humans and animals. Also the genesis of functional food definition was presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antiglycemic%20activity" title="antiglycemic activity">antiglycemic activity</a>, <a href="https://publications.waset.org/abstracts/search?q=raw%20plant%20materials" title=" raw plant materials"> raw plant materials</a>, <a href="https://publications.waset.org/abstracts/search?q=functional%20food" title=" functional food"> functional food</a>, <a href="https://publications.waset.org/abstracts/search?q=food" title=" food"> food</a>, <a href="https://publications.waset.org/abstracts/search?q=nutritional%20sciences" title=" nutritional sciences"> nutritional sciences</a> </p> <a href="https://publications.waset.org/abstracts/4153/antiglycemic-activity-of-raw-plant-materials-as-potential-components-of-functional-food" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/4153.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">470</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">21</span> Energy Consumption and GHG Production in Railway and Road Passenger Regional Transport</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Martin%20Kendra">Martin Kendra</a>, <a href="https://publications.waset.org/abstracts/search?q=Tomas%20Skrucany"> Tomas Skrucany</a>, <a href="https://publications.waset.org/abstracts/search?q=Jozef%20Gnap"> Jozef Gnap</a>, <a href="https://publications.waset.org/abstracts/search?q=Jan%20Ponicky"> Jan Ponicky</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Paper deals with the modeling and simulation of energy consumption and GHG production of two different modes of regional passenger transport – road and railway. These two transport modes use the same type of fuel – diesel. Modeling and simulation of the energy consumption in transport is often used due to calculation satisfactory accuracy and cost efficiency. Paper deals with the calculation based on EN standards and information collected from technical information from vehicle producers and characteristics of tracks. Calculation included maximal theoretical capacity of bus and train and real passenger’s measurement from operation. Final energy consumption and GHG production is calculated by using software simulation. In evaluation of the simulation is used system ‘well to wheel’. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bus" title="bus">bus</a>, <a href="https://publications.waset.org/abstracts/search?q=consumption%20energy" title=" consumption energy"> consumption energy</a>, <a href="https://publications.waset.org/abstracts/search?q=GHG" title=" GHG"> GHG</a>, <a href="https://publications.waset.org/abstracts/search?q=production" title=" production"> production</a>, <a href="https://publications.waset.org/abstracts/search?q=simulation" title=" simulation"> simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=train" title=" train"> train</a> </p> <a href="https://publications.waset.org/abstracts/40249/energy-consumption-and-ghg-production-in-railway-and-road-passenger-regional-transport" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/40249.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">443</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">20</span> Advanced Combinatorial Method for Solving Complex Fault Trees</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jos%C3%A9%20de%20Jes%C3%BAs%20Rivero%20Oliva">José de Jesús Rivero Oliva</a>, <a href="https://publications.waset.org/abstracts/search?q=Jes%C3%BAs%20Salom%C3%B3n%20Llanes"> Jesús Salomón Llanes</a>, <a href="https://publications.waset.org/abstracts/search?q=Manuel%20Perdomo%20Ojeda"> Manuel Perdomo Ojeda</a>, <a href="https://publications.waset.org/abstracts/search?q=Antonio%20Torres%20Valle"> Antonio Torres Valle</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Combinatorial explosion is a common problem to both predominant methods for solving fault trees: Minimal Cut Set (MCS) approach and Binary Decision Diagram (BDD). High memory consumption impedes the complete solution of very complex fault trees. Only approximated non-conservative solutions are possible in these cases using truncation or other simplification techniques. The paper proposes a method (CSolv+) for solving complex fault trees, without any possibility of combinatorial explosion. Each individual MCS is immediately discarded after its contribution to the basic events importance measures and the Top gate Upper Bound Probability (TUBP) has been accounted. An estimation of the Top gate Exact Probability (TEP) is also provided. Therefore, running in a computer cluster, CSolv+ will guarantee the complete solution of complex fault trees. It was successfully applied to 40 fault trees from the Aralia fault trees database, performing the evaluation of the top gate probability, the 1000 Significant MCSs (SMCS), and the Fussell-Vesely, RRW and RAW importance measures for all basic events. The high complexity fault tree nus9601 was solved with truncation probabilities from 10-²¹ to 10-²⁷ just to limit the execution time. The solution corresponding to 10-²⁷ evaluated 3.530.592.796 MCSs in 3 hours and 15 minutes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=system%20reliability%20analysis" title="system reliability analysis">system reliability analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=probabilistic%20risk%20assessment" title=" probabilistic risk assessment"> probabilistic risk assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=fault%20tree%20analysis" title=" fault tree analysis"> fault tree analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=basic%20events%20importance%20measures" title=" basic events importance measures"> basic events importance measures</a> </p> <a href="https://publications.waset.org/abstracts/186780/advanced-combinatorial-method-for-solving-complex-fault-trees" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/186780.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">45</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">19</span> Substitution of Natural Aggregates by Crushed Concrete Waste in Concrete Products Manufacturing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jozef%20Junak">Jozef Junak</a>, <a href="https://publications.waset.org/abstracts/search?q=Nadezda%20Stevulova"> Nadezda Stevulova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper is aimed to the use of different types of industrial wastes in concrete production. From examined waste (crushed concrete waste) our tested concrete samples with dimension 150 mm were prepared. In these samples, fractions 4/8 mm and 8/16 mm by recycled concrete aggregate with a range of variation from 0 to 100% were replaced. Experiment samples were tested for compressive strength after 2, 7, 14 and 28 days of hardening. From obtained results it is evident that all samples prepared with washed recycled concrete aggregates met the requirement of standard for compressive strength of 20 MPa already after 14 days of hardening. Sample prepared with recycled concrete aggregates (4/8 mm: 100% and 8/16 mm: 60%) reached 101% of compressive strength value (34.7 MPa) after 28 days of hardening in comparison with the reference sample (34.4 MPa). The lowest strength after 28 days of hardening (27.42 MPa) was obtained for sample consisting of recycled concrete in proportion of 40% for 4/8 fraction and 100% for 8/16 fraction of recycled concrete. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=recycled%20concrete%20aggregate" title="recycled concrete aggregate">recycled concrete aggregate</a>, <a href="https://publications.waset.org/abstracts/search?q=re-use" title=" re-use"> re-use</a>, <a href="https://publications.waset.org/abstracts/search?q=workability" title=" workability"> workability</a>, <a href="https://publications.waset.org/abstracts/search?q=compressive%20strength" title=" compressive strength"> compressive strength</a> </p> <a href="https://publications.waset.org/abstracts/28665/substitution-of-natural-aggregates-by-crushed-concrete-waste-in-concrete-products-manufacturing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28665.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">371</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">18</span> Formulation and Physico-Mechanical Characterization of a Self-Compacting Concrete Containing Seashells as an Addition Material </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Brahim%20Safi">Brahim Safi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammed%20Saidi"> Mohammed Saidi</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Benmounah"> A. Benmounah</a>, <a href="https://publications.waset.org/abstracts/search?q=Jozef%20Mitterpach"> Jozef Mitterpach</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this work is to study the rheological and physico-mechanical properties of a self-compacting concrete elaborated with sea shells as an addition cementitious (total replacement of limestone fillers) and sand (partial and total substitution fine aggregate). Also, this present study is registered in the context of sustainable development by using this waste type which caused environmental problems. After preparation the crushed shells (obtaining fine aggregate) and finely crushed shells (obtaining end powder), concretes were manufactured using these two products. Rheological characterization tests (fluidity, filling capacity and segregation) and physico-mechanical properties (density and strength) were carried on these concretes. The results obtained show that it can be used as fin addition (by total replacement of limestone) or also used as sand by total substitution of natural sand. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=seashells" title="seashells">seashells</a>, <a href="https://publications.waset.org/abstracts/search?q=limestone" title=" limestone"> limestone</a>, <a href="https://publications.waset.org/abstracts/search?q=sand" title=" sand"> sand</a>, <a href="https://publications.waset.org/abstracts/search?q=self-compacting%20concrete" title=" self-compacting concrete"> self-compacting concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=fluidity" title=" fluidity"> fluidity</a>, <a href="https://publications.waset.org/abstracts/search?q=compressive%20strength" title=" compressive strength"> compressive strength</a>, <a href="https://publications.waset.org/abstracts/search?q=flexural%20strength" title=" flexural strength"> flexural strength</a> </p> <a href="https://publications.waset.org/abstracts/40014/formulation-and-physico-mechanical-characterization-of-a-self-compacting-concrete-containing-seashells-as-an-addition-material" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/40014.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">273</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">17</span> Analysis of Automotive Sensor for Engine Knock System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Miroslav%20Gutten">Miroslav Gutten</a>, <a href="https://publications.waset.org/abstracts/search?q=Jozef%20Jurcik"> Jozef Jurcik</a>, <a href="https://publications.waset.org/abstracts/search?q=Daniel%20Korenciak"> Daniel Korenciak</a>, <a href="https://publications.waset.org/abstracts/search?q=Milan%20Sebok"> Milan Sebok</a>, <a href="https://publications.waset.org/abstracts/search?q=Matej%20Kuceraa"> Matej Kuceraa</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper deals with the phenomenon of the undesirable detonation combustion in internal combustion engines. A control unit of the engine monitors these detonations using piezoelectric knock sensors. With the control of these sensors the detonations can be objectively measured just outside the car. If this component provides small amplitude of the output voltage it could happen that there would have been in the areas of the engine ignition combustion. The paper deals with the design of a simple device for the detection of this disorder. A construction of the testing device for the knock sensor suitable for diagnostics of knock combustion in internal combustion engines will be presented. The output signal of presented sensor will be described by Bessel functions. Using the first voltage extremes on the characteristics it is possible to create a reference for the evaluation of the polynomial residue. It should be taken into account that the velocity of sound in air is 330 m/s. This sound impinges on the walls of the combustion chamber and is detected by the sensor. The resonant frequency of the clicking of the motor is usually in the range from 5 kHz to 15 kHz. The sensor worked in the field to 37 kHz, which shall be taken into account on an own sensor resonance. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=diagnostics" title="diagnostics">diagnostics</a>, <a href="https://publications.waset.org/abstracts/search?q=knock%20sensor" title=" knock sensor"> knock sensor</a>, <a href="https://publications.waset.org/abstracts/search?q=measurement" title=" measurement"> measurement</a>, <a href="https://publications.waset.org/abstracts/search?q=testing%20device" title=" testing device"> testing device</a> </p> <a href="https://publications.waset.org/abstracts/23298/analysis-of-automotive-sensor-for-engine-knock-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23298.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">447</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">16</span> The Growth Curve of Gompertz Model in Body Weight of Slovak Mixed-Sex Goose Breeds</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Cyril%20Hrncar">Cyril Hrncar</a>, <a href="https://publications.waset.org/abstracts/search?q=Jozef%20Bujko"> Jozef Bujko</a>, <a href="https://publications.waset.org/abstracts/search?q=Widya%20P.%20B.%20Putra"> Widya P. B. Putra</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The growth curve of poultry is important to evaluate the farming management system. This study was aimed to estimate the growth curve of body weight in goose. The growth curve in this study was estimated with non-linear Gompertz model through CurveExpert 1.4. software. Three Slovak mixed-sex goose breeds of Landes (L), Pomeranian (P) and Steinbacher (S) were used in this study. Total of 28 geese (10 L, 8 P and 10 S) were used to estimate the growth curve. Research showed that the asymptotic weight (A) in those geese were reached of 5332.51 g (L), 6186.14 g (P) and 5048.27 g (S). Thus, the maturing rate (k) in each breed were similar (0.05 g/day). The weight of inflection was reached of 1960.48 g (L), 2274.32 g (P) and 1855.98 g (S). The time of inflection (ti) was reached of 25.6 days (L), 26.2 days (P) and 27.80 days (S). The maximum growth rate (MGR) was reached of 98.02 g/day (L), 113.72 g/day (P) and 92.80 g/day (S). Hence, the coefficient of determination (R2) in Gompertz model was 0.99 for each breed. It can be concluded that Pomeranian geese had highest of growth trait than the other breeds. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=body%20weight" title="body weight">body weight</a>, <a href="https://publications.waset.org/abstracts/search?q=growth%20curve" title=" growth curve"> growth curve</a>, <a href="https://publications.waset.org/abstracts/search?q=inflection" title=" inflection"> inflection</a>, <a href="https://publications.waset.org/abstracts/search?q=Slovak%20geese" title=" Slovak geese"> Slovak geese</a>, <a href="https://publications.waset.org/abstracts/search?q=Gompertz%20model" title=" Gompertz model"> Gompertz model</a> </p> <a href="https://publications.waset.org/abstracts/129511/the-growth-curve-of-gompertz-model-in-body-weight-of-slovak-mixed-sex-goose-breeds" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/129511.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">147</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">15</span> Implicit Force Control of a Position Controlled Robot - A Comparison with Explicit Algorithms</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Alexander%20Winkler">Alexander Winkler</a>, <a href="https://publications.waset.org/abstracts/search?q=Jozef%20Such%C3%BD"> Jozef Suchý</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper investigates simple implicit force control algorithms realizable with industrial robots. A lot of approaches already published are difficult to implement in commercial robot controllers, because the access to the robot joint torques is necessary or the complete dynamic model of the manipulator is used. In the past we already deal with explicit force control of a position controlled robot. Well known schemes of implicit force control are stiffness control, damping control and impedance control. Using such algorithms the contact force cannot be set directly. It is further the result of controller impedance, environment impedance and the commanded robot motion/position. The relationships of these properties are worked out in this paper in detail for the chosen implicit approaches. They have been adapted to be implementable on a position controlled robot. The behaviors of stiffness control and damping control are verified by practical experiments. For this purpose a suitable test bed was configured. Using the full mechanical impedance within the controller structure will not be practical in the case when the robot is in physical contact with the environment. This fact will be verified by simulation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=robot%20force%20control" title="robot force control">robot force control</a>, <a href="https://publications.waset.org/abstracts/search?q=stiffness%20control" title=" stiffness control"> stiffness control</a>, <a href="https://publications.waset.org/abstracts/search?q=damping%20control" title=" damping control"> damping control</a>, <a href="https://publications.waset.org/abstracts/search?q=impedance%20control" title=" impedance control"> impedance control</a>, <a href="https://publications.waset.org/abstracts/search?q=stability" title=" stability"> stability</a> </p> <a href="https://publications.waset.org/abstracts/22644/implicit-force-control-of-a-position-controlled-robot-a-comparison-with-explicit-algorithms" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/22644.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">520</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">14</span> Upcycling of Inorganic Waste: Lessons Learned and Outlook for the Future</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Miroslava%20Hujov%C3%A1">Miroslava Hujová</a>, <a href="https://publications.waset.org/abstracts/search?q=Patricia%20%20Rabello%20Monich"> Patricia Rabello Monich</a>, <a href="https://publications.waset.org/abstracts/search?q=Jozef%20%20Kraxner"> Jozef Kraxner</a>, <a href="https://publications.waset.org/abstracts/search?q=Dusan%20Galusek"> Dusan Galusek</a>, <a href="https://publications.waset.org/abstracts/search?q=Enrico%20Bernardo"> Enrico Bernardo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Inorganic waste upcycling offers a solution how to avoid landfilling and how to save raw materials at the same time. However, its practical implementations in Slovakia and elsewhere in Europe, are rather limited despite the potential smaller countries like Slovakia have their advantage in closely-knitted inorganic materials industry. One part of discussion should include an overview of wastes that can be possibly used for upcycling, i.e. fly ashes, red mud, glass cullets, vitrified bottom ashes etc. These wastes can be processed by a variety of strategies, the one of our choice, alkali activation, opens the possibility for the formation of novel materials at almost negligible energetic expense. In the research, these materials are characterized by comprehensive means (X-Ray Fluorescece, Diffraction methods, Thermal Analysis, Scanning Electron Microscopy, Mechanical tests and Chemical stability), which time and time again demonstrate their competitive properties against traditional materials available at the market. It is just a question for discussion why these materials do not receive more significant attention from industry and there is pressing interest for the solution of standing situation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=upcycling" title="upcycling">upcycling</a>, <a href="https://publications.waset.org/abstracts/search?q=inorganic%20wastes" title=" inorganic wastes"> inorganic wastes</a>, <a href="https://publications.waset.org/abstracts/search?q=glass%20ceramics" title=" glass ceramics"> glass ceramics</a>, <a href="https://publications.waset.org/abstracts/search?q=alkali-activation" title=" alkali-activation"> alkali-activation</a> </p> <a href="https://publications.waset.org/abstracts/133986/upcycling-of-inorganic-waste-lessons-learned-and-outlook-for-the-future" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/133986.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">137</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> The Impact of Lipids on Lung Fibrosis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=G.%20Wojcik">G. Wojcik</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20Gindlhuber"> J. Gindlhuber</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Syarif"> A. Syarif</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Hoetzenecker"> K. Hoetzenecker</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Bohm"> P. Bohm</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20Vesely"> P. Vesely</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Biasin"> V. Biasin</a>, <a href="https://publications.waset.org/abstracts/search?q=G.%20Kwapiszewska"> G. Kwapiszewska</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Pulmonary fibrosis is a rare disease where uncontrolled wound healing processes damage the lung structure. Intensive changes within the extracellular matrix (ECM) and its interaction with fibroblasts have a major role in pulmonary fibrosis development. Among others, collagen is one of the main components of the ECM, and it is important for lung structure. In IPF, constant production of collagen by fibroblast, through TGFβ1-SMAD2/3 pathways, leads to an uncontrolled deposition of matrix and hence lung remodeling. Abnormal changes in lipid production, alterations in fatty acids (FAs) metabolism, enhanced oxidative stress, and lipid peroxidation in fibrotic lung and fibrotic fibroblasts have been reported; however, the interplay between the collagen and lipids is not yet established. One of the FAs influx regulators is Angiopoietin-like 4 (ANGPTL4), which inhibits lipoprotein lipase work, decreasing the availability of FAs. We hypothesized that altered lipid composition or availability could have the capability to influence the phenotype of different fibroblast populations in the lung and hence influence lung fibrosis. To prove our hypothesis, we aim to investigate lipids and their influence on human, animal, and in vitro levels. In the bleomycin model, treatment with the well-known metabolic drugs Rosiglitazone or Metformin significantly lower collagen production. Similar results were noticed in ANGPTL4 KO animals, where the KO of ANGPTL4 leads to an increase of FAs availability and lower collagen deposition after the bleomycin challenge. Currently, we study the treatment of different FAs on human lung para fibroblasts (hPF) isolated from donors. To understand the lipid composition, we are collecting human lung tissue from donors and pulmonary fibrosis patients for Liquid chromatography-mass spectrometry. In conclusion, our results suggest the lipid influence on collagen deposition during lung fibrosis, but further research needs to be conducted to understand the matter of this relationship. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=collagen" title="collagen">collagen</a>, <a href="https://publications.waset.org/abstracts/search?q=fibroblasts" title=" fibroblasts"> fibroblasts</a>, <a href="https://publications.waset.org/abstracts/search?q=lipidomics" title=" lipidomics"> lipidomics</a>, <a href="https://publications.waset.org/abstracts/search?q=lung" title=" lung"> lung</a>, <a href="https://publications.waset.org/abstracts/search?q=pulmonary%20fibrosis" title=" pulmonary fibrosis"> pulmonary fibrosis</a> </p> <a href="https://publications.waset.org/abstracts/167033/the-impact-of-lipids-on-lung-fibrosis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/167033.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">84</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> Designing a Functional Bread Premixes Recipes Involving White Mulberry Fruit</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kobus-Cisowska%20Joanna">Kobus-Cisowska Joanna</a>, <a href="https://publications.waset.org/abstracts/search?q=Flaczyk%20Ewa"> Flaczyk Ewa</a>, <a href="https://publications.waset.org/abstracts/search?q=Gramza-Michalowska%20Anna"> Gramza-Michalowska Anna</a>, <a href="https://publications.waset.org/abstracts/search?q=Kmiecik%20Dominik"> Kmiecik Dominik</a>, <a href="https://publications.waset.org/abstracts/search?q=Przeor%20Monika"> Przeor Monika</a>, <a href="https://publications.waset.org/abstracts/search?q=Marcinkowska%20Agata"> Marcinkowska Agata</a>, <a href="https://publications.waset.org/abstracts/search?q=Korczak%20J%C3%B3zef"> Korczak Józef </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The object of this study was to develop recipes and technology of production of functional bread with morus alba fruit addition. There were prepared four samples of functional breads and the control sample also. Bread recipe was designed for supporting the treatment of anemia, diabetes, obesity and cardiovascular diseases. Samples of bread were baked with mixes directly after preparation and after three months' storage, each time preparing the water and methanol extracts. The sensory analysis and nutritional value were estimated. The antioxidant activity were estimated used tests such as the ability to scavenge free radical DPPH, the ability to scavenge the ABTS cation, chelating properties and the total content of polyphenols. The study results showed that the prepared sample of functional breads were characterized by a high nutritional value with high concentration of biologically active compounds which showed antioxidant activity. In addition, the profile sensory of bread samples was highly rated. However, to determine whether they can be considered as a new product preset pro-health properties require additional nutritional studies - clinical trials. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=functional%20food" title="functional food">functional food</a>, <a href="https://publications.waset.org/abstracts/search?q=breads" title=" breads"> breads</a>, <a href="https://publications.waset.org/abstracts/search?q=white%20mulberry" title=" white mulberry"> white mulberry</a>, <a href="https://publications.waset.org/abstracts/search?q=bioactive%20components" title=" bioactive components"> bioactive components</a> </p> <a href="https://publications.waset.org/abstracts/11154/designing-a-functional-bread-premixes-recipes-involving-white-mulberry-fruit" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11154.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">304</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> Designing of Food Products Enriched With Phytonutrients Assigned for Hypertension Suffering Consumers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Anna%20Gramza-Micha%C5%82owska">Anna Gramza-Michałowska</a>, <a href="https://publications.waset.org/abstracts/search?q=Dominik%20Kmiecik"> Dominik Kmiecik</a>, <a href="https://publications.waset.org/abstracts/search?q=Justyna%20Bilon"> Justyna Bilon</a>, <a href="https://publications.waset.org/abstracts/search?q=Joanna%20Skr%C4%99ty"> Joanna Skręty</a>, <a href="https://publications.waset.org/abstracts/search?q=Joanna%20Kobus-Cisowska"> Joanna Kobus-Cisowska</a>, <a href="https://publications.waset.org/abstracts/search?q=J%C3%B3zef%20Korczak"> Józef Korczak</a>, <a href="https://publications.waset.org/abstracts/search?q=Andrzej%20Sidor"> Andrzej Sidor</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Hypertension is one of the civilization diseases with a global scope. Many research showed that every day diet influences significantly our health, helping with the prophylaxis and diseases treatment. The key factor here is the presence of plant origin natural bio active components. Aim: The following research describes snack health-oriented products for hypertension sufferers enriched with selected plant ingredients. Various analytical methods have been applied to determine product’s basic composition and their antioxidant activity. Methods: Snack products was formulated from a composition of different flours, oil, yeast, plant particles and extracts. Basic composition of a product was evaluated as content of protein, lipids, fiber, ash and caloricity. Antioxidant capacity of snacks was evaluated with use radical scavenging methods (DPPH, ABTS) and ORAC value. Proposed snacks as new product was also characterized with sensory analysis. Results and discussion: Results showed that addition of phyto nutrients allowed to improve nutritional and antioxidative value of examined products. Also the anti radical potential was significantly increased, with no loss of sensory value of a snacks. Conclusions: Designed snack is rich in polyphenolics, that express high antioxidant activity, helpful in hypertension and as low calories product obesity prophylaxis. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antioxidant" title="antioxidant">antioxidant</a>, <a href="https://publications.waset.org/abstracts/search?q=well-being" title=" well-being"> well-being</a>, <a href="https://publications.waset.org/abstracts/search?q=hypertension" title=" hypertension"> hypertension</a>, <a href="https://publications.waset.org/abstracts/search?q=bioactive%20compounds" title=" bioactive compounds"> bioactive compounds</a> </p> <a href="https://publications.waset.org/abstracts/11872/designing-of-food-products-enriched-with-phytonutrients-assigned-for-hypertension-suffering-consumers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11872.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">496</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> Biodiversity and Climate Change: Consequences for Norway Spruce Mountain Forests in Slovakia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jozef%20Mindas">Jozef Mindas</a>, <a href="https://publications.waset.org/abstracts/search?q=Jaroslav%20Skvarenina"> Jaroslav Skvarenina</a>, <a href="https://publications.waset.org/abstracts/search?q=Jana%20Skvareninova"> Jana Skvareninova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Study of the effects of climate change on Norway Spruce (Picea abies) forests has mainly focused on the diversity of tree species diversity of tree species as a result of the ability of species to tolerate temperature and moisture changes as well as some effects of disturbance regime changes. The tree species’ diversity changes in spruce forests due to climate change have been analyzed via gap model. Forest gap model is a dynamic model for calculation basic characteristics of individual forest trees. Input ecological data for model calculations have been taken from the permanent research plots located in primeval forests in mountainous regions in Slovakia. The results of regional scenarios of the climatic change for the territory of Slovakia have been used, from which the values are according to the CGCM3.1 (global) model, KNMI and MPI (regional) models. Model results for conditions of the climate change scenarios suggest a shift of the upper forest limit to the region of the present subalpine zone, in supramontane zone. N. spruce representation will decrease at the expense of beech and precious broadleaved species (Acer sp., Sorbus sp., Fraxinus sp.). The most significant tree species diversity changes have been identified for the upper tree line and current belt of dwarf pine (Pinus mugo) occurrence. The results have been also discussed in relation to most important disturbances (wind storms, snow and ice storms) and phenological changes which consequences are little known. Special discussion is focused on biomass production changes in relation to carbon storage diversity in different carbon pools. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biodiversity" title="biodiversity">biodiversity</a>, <a href="https://publications.waset.org/abstracts/search?q=climate%20change" title=" climate change"> climate change</a>, <a href="https://publications.waset.org/abstracts/search?q=Norway%20spruce%20forests" title=" Norway spruce forests"> Norway spruce forests</a>, <a href="https://publications.waset.org/abstracts/search?q=gap%20model" title=" gap model"> gap model</a> </p> <a href="https://publications.waset.org/abstracts/43557/biodiversity-and-climate-change-consequences-for-norway-spruce-mountain-forests-in-slovakia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/43557.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">288</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 Effect of Addition of White Mulberry Fruit on the Sensory Quality of the New Developed Bioactive Bread</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kmiecik%20Dominik">Kmiecik Dominik</a>, <a href="https://publications.waset.org/abstracts/search?q=Kobus-Cisowska%20Joanna"> Kobus-Cisowska Joanna</a>, <a href="https://publications.waset.org/abstracts/search?q=Gramza-Michalowska%20Anna"> Gramza-Michalowska Anna</a>, <a href="https://publications.waset.org/abstracts/search?q=Marcinkowska%20Agata"> Marcinkowska Agata</a>, <a href="https://publications.waset.org/abstracts/search?q=Korczak%20J%C3%B3zef"> Korczak Józef </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The relationship between the choice of a proper diet, a diet, lifestyle man and his health has been known for a long time. Because of the increase in public awareness of food ingredients and their influence on health status, measures have been taken towards the production of food, which is designed to not only eat, but also to protect against the incidence of lifestyle diseases. For this purpose, the bio active products with healthy properties was developed. Mulberry have a very high nutritional value, rich in chemical composition and many properties used in the prevention of lifestyle diseases. In addition to basic chemical components, nutrients, mulberry fruit contain compounds having a physiological effect. The aim of this study was to assess the effect of white mulberry fruit on the sensory quality of bread to be healthy diet of people suffering from anemia, diabetes, obesity and cardiovascular disease. Sensory analysis was carried out by the profile method. Intra-operative differentiators color, aroma, taste, texture, and overall assessment. Sensory analysis showed that all test trials were characterized by a uniform and concise consistency, similar in color from dark to light beige. The taste and smell of herbal characteristic was designed in an attempt to prevention of diabetes, while the other samples were characterized by a typical taste and smell of bread grain. There were no foreign taste and odor in the test bread. It was found that the addition of white mulberry fruit does not affect the sensory quality of the newly developed bioactive bread. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mulberry" title="mulberry">mulberry</a>, <a href="https://publications.waset.org/abstracts/search?q=bread" title=" bread"> bread</a>, <a href="https://publications.waset.org/abstracts/search?q=bioactive" title=" bioactive"> bioactive</a>, <a href="https://publications.waset.org/abstracts/search?q=sensory%20analysis" title=" sensory analysis"> sensory analysis</a> </p> <a href="https://publications.waset.org/abstracts/11871/the-effect-of-addition-of-white-mulberry-fruit-on-the-sensory-quality-of-the-new-developed-bioactive-bread" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11871.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">462</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> System for Mechanical Stimulation of the Mesenchymal Stem Cells Supporting Differentiation into Osteogenic Cells</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jana%20Stepanovska">Jana Stepanovska</a>, <a href="https://publications.waset.org/abstracts/search?q=Roman%20Matejka"> Roman Matejka</a>, <a href="https://publications.waset.org/abstracts/search?q=Jozef%20Rosina"> Jozef Rosina</a>, <a href="https://publications.waset.org/abstracts/search?q=Marta%20Vandrovcova"> Marta Vandrovcova</a>, <a href="https://publications.waset.org/abstracts/search?q=Lucie%20Bacakova"> Lucie Bacakova</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of this study was to develop a system for mechanical and also electrical stimulation controlling in vitro osteogenesis under conditions more similar to the in vivo bone microenvironment than traditional static cultivation, which would achieve good adhesion, growth and other specific behaviors of osteogenic cells in cultures. An engineered culture system for mechanical stimulation of the mesenchymal stem cells on the charged surface was designed. The bioreactor allows efficient mechanical loading inducing an electrical response and perfusion of the culture chamber with seeded cells. The mesenchymal stem cells were seeded to specific charged materials, like polarized hydroxyapatite (Hap) or other materials with piezoelectric and ferroelectric features, to create electrical potentials for stimulating of the cells. The material of the matrix was TiNb alloy designed for these purposes, and it was covered by BaTiO3 film, like a kind of piezoelectric material. The process of mechanical stimulation inducing electrical response is controlled by measuring electrical potential in the chamber. It was performed a series of experiments, where the cells were seeded, perfused and stimulated up to 48 hours under different conditions, especially pressure and perfusion. The analysis of the proteins expression was done, which demonstrated the effective mechanical and electrical stimulation. The experiments demonstrated effective stimulation of the cells in comparison with the static culture. This work was supported by the Ministry of Health, grant No. 15-29153A and the Grant Agency of the Czech Republic grant No. GA15-01558S. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=charged%20surface" title="charged surface">charged surface</a>, <a href="https://publications.waset.org/abstracts/search?q=dynamic%20cultivation" title=" dynamic cultivation"> dynamic cultivation</a>, <a href="https://publications.waset.org/abstracts/search?q=electrical%20stimulation" title=" electrical stimulation"> electrical stimulation</a>, <a href="https://publications.waset.org/abstracts/search?q=ferroelectric%20layers" title=" ferroelectric layers"> ferroelectric layers</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20stimulation" title=" mechanical stimulation"> mechanical stimulation</a>, <a href="https://publications.waset.org/abstracts/search?q=piezoelectric%20layers" title=" piezoelectric layers"> piezoelectric layers</a> </p> <a href="https://publications.waset.org/abstracts/57708/system-for-mechanical-stimulation-of-the-mesenchymal-stem-cells-supporting-differentiation-into-osteogenic-cells" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/57708.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">299</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> Designing of Almond Drink with Phytonutrients Assigned for Pro-Health Oriented Consumers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gramza-Michalowska%20Anna">Gramza-Michalowska Anna</a>, <a href="https://publications.waset.org/abstracts/search?q=Skrety%20Joanna"> Skrety Joanna</a>, <a href="https://publications.waset.org/abstracts/search?q=Kobus-Cisowska%20Joanna"> Kobus-Cisowska Joanna</a>, <a href="https://publications.waset.org/abstracts/search?q=Kmiecik%20Dominik"> Kmiecik Dominik</a>, <a href="https://publications.waset.org/abstracts/search?q=Korczak%20Jozef"> Korczak Jozef</a>, <a href="https://publications.waset.org/abstracts/search?q=Anna%20Zywica"> Anna Zywica</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Recent research presented many evidences confirming that food besides its basic nutritional function, possess significant therapeutic and prophylactic potential. Conscious consumer is aware of diet habits and well being lifestyle influencing a proper functioning that is why there is a need of new pro-health products. Objective: Proposition of the technology of unsweetened almond drinks enriched with plant extracts for pro-health oriented individuals. Research investigated the influence of selected plant extracts addition on antioxidative activity and consumer’s acceptance of drinks as all day diet product representatives. Methods: The analysis of the basic composition and antioxidant properties of the almond drink was conducted. Research included analysis of basic composition (protein, lipids and fiber content) and antioxidant capacity of drink (DPPH, ABTS, ORAC value, and FRAP). Proposed drink was also characterized with sensory analysis, including color, aroma, taste, consistency, and overall acceptance. Results: Results showed that addition of plant extracts into an almond drink allowed to improve its antioxidant capacity and sensory value of the drinks. Profitable composition and pro-health properties of designed drink permits offering healthy product for all day consumption. Conclusion: Designed almond drink would be a significant supplement for pro-healthy life style of the consumers. Results showed that plant extracts enriched almond drink would be a good source of antioxidants and accepted by the consumers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=phytonutrients" title="phytonutrients">phytonutrients</a>, <a href="https://publications.waset.org/abstracts/search?q=pro-health" title=" pro-health"> pro-health</a>, <a href="https://publications.waset.org/abstracts/search?q=almond" title=" almond"> almond</a>, <a href="https://publications.waset.org/abstracts/search?q=wellbeing" title=" wellbeing"> wellbeing</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidant%20potential" title=" antioxidant potential"> antioxidant potential</a>, <a href="https://publications.waset.org/abstracts/search?q=sensory%20value" title=" sensory value"> sensory value</a> </p> <a href="https://publications.waset.org/abstracts/11685/designing-of-almond-drink-with-phytonutrients-assigned-for-pro-health-oriented-consumers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11685.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">474</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> Designing of Oat Drink with Phytonutrients Assigned for Pro-Health Oriented Consumers</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gramza-Michalowska%20Anna">Gramza-Michalowska Anna</a>, <a href="https://publications.waset.org/abstracts/search?q=Skrety%20Joanna"> Skrety Joanna</a>, <a href="https://publications.waset.org/abstracts/search?q=Anna%20Zywica"> Anna Zywica</a>, <a href="https://publications.waset.org/abstracts/search?q=Kobus-Cisowska%20Joanna"> Kobus-Cisowska Joanna</a>, <a href="https://publications.waset.org/abstracts/search?q=Kmiecik%20Dominik"> Kmiecik Dominik</a>, <a href="https://publications.waset.org/abstracts/search?q=Korczak%20Jozef"> Korczak Jozef</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Modern consumer highly appreciates the positive influence of consumed products on well-being and overall health. High acceptance of new food is a result of intensified research showing many proofs confirming that food offers significant prophylactic and therapeutic potential, next to its basic nutritional function. Objective: Proposition of the technology of unsweetened oat drinks enriched with plant extracts for pro-health oriented individuals. We investigated the effects of selected plant extracts addition on antioxidative capacity and consumer’s acceptance of drinks as representative of all day diet product. Methods: The analysis of the basic composition and antioxidant properties of the drinking product was conducted. Basic composition included protein, lipids and fiber content. Antioxidant capacity of drink was evaluated with use radical scavenging methods (DPPH, ABTS), ORAC value and FRAP. Proposed drink as new product was also characterized with sensory analysis, which included color, aroma, taste, consistency and overall acceptance. Results: Results showed that addition of plant extracts into a oat drink allowed to enhance its antioxidant potential and influenced significantly its sensory values. The preferred composition and properties of designed beverage permit claim that it can have a positive impact on the health of the consumers. Conclusion: Designed oat drink would be an answer for pro-healthy life style of the consumers. Results showed that product with plant extracts addition would be accepted by the consumers and because of its antioxidative potential could be an important factor in prevention of free radicals influence on human organism. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=phytonutrients" title="phytonutrients">phytonutrients</a>, <a href="https://publications.waset.org/abstracts/search?q=pro-health" title=" pro-health"> pro-health</a>, <a href="https://publications.waset.org/abstracts/search?q=well-being" title=" well-being"> well-being</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidant%20potential" title=" antioxidant potential"> antioxidant potential</a>, <a href="https://publications.waset.org/abstracts/search?q=sensory%20value" title=" sensory value"> sensory value</a> </p> <a href="https://publications.waset.org/abstracts/11686/designing-of-oat-drink-with-phytonutrients-assigned-for-pro-health-oriented-consumers" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11686.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">344</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> The Effect of Addition of White Mulberry Fruits on the Antioxidant Activity of the New Developed Bioactive Bread</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kobus-Cisowska%20Joanna">Kobus-Cisowska Joanna</a>, <a href="https://publications.waset.org/abstracts/search?q=Flaczyk%20Ewa"> Flaczyk Ewa</a>, <a href="https://publications.waset.org/abstracts/search?q=Gramza-Michalowska%20Anna"> Gramza-Michalowska Anna</a>, <a href="https://publications.waset.org/abstracts/search?q=Kmiecik%20Dominik"> Kmiecik Dominik</a>, <a href="https://publications.waset.org/abstracts/search?q=Przeor%20Monika"> Przeor Monika</a>, <a href="https://publications.waset.org/abstracts/search?q=Marcinkowska%20Agata"> Marcinkowska Agata</a>, <a href="https://publications.waset.org/abstracts/search?q=Korczak%20J%C3%B3zef">Korczak Józef </a> </p> <p class="card-text"><strong>Abstract:</strong></p> Cereal products, including mainly bread is a staple food known from the beginning of history throughout the world. It is now believed that there is no replacement of the basic food. Bread, due to the high content of starch is the energy source for the proper functioning of our body. It also contains proteins, fats, vitamins, especially of the B group and vitamin E, a number of minerals, and fiber. The aim of the study was to evaluate the antioxidant activity of new developed bread premixes with mulberry fruits for people with anemia, diabetes, obesity and cardiovascular disease. From the finished product-bread, aqueous and methanol extracts was prepared, which in next step were analyzed to assess the activity of the radical DPPH test, ABTS, chelating activity, the ability to reduce metals. Extracts were prepared from bread were acquired with premixes directly after production and stored for three months. The resulting trial breads effect by different mechanisms of antioxidant. They showed the ability to scavenge radicals ABTS and DPPH and chelating activity. Methanol extracts showed significantly greater antioxidant activity in comparison with aqueous extracts, and the largest effect was estimated for sample of bread for anemia, diabetes and cardiovascular disease. The greatest ability to scavenging ABTS radicals showed breads for anemia, diabetes and cardiovascular disease, while smaller for anemia and control sample. It was shown that the methanol extracts of the breads samples showed no ability to chelate iron (II). These properties are observed only in the aqueous extracts. The greatest ability attempt had anemia while the lowest control sample. Financial supported by the UE Project no POIG 01.01.02-00-061/09. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=morus%20alba" title="morus alba">morus alba</a>, <a href="https://publications.waset.org/abstracts/search?q=antioxidant%20activity" title=" antioxidant activity"> antioxidant activity</a>, <a href="https://publications.waset.org/abstracts/search?q=free%20radicals" title=" free radicals"> free radicals</a>, <a href="https://publications.waset.org/abstracts/search?q=polyphenols" title=" polyphenols "> polyphenols </a> </p> <a href="https://publications.waset.org/abstracts/11797/the-effect-of-addition-of-white-mulberry-fruits-on-the-antioxidant-activity-of-the-new-developed-bioactive-bread" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11797.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">312</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> Human Pressure Threaten Swayne’s Hartebeest to Point of Local Extinction from the Savannah Plains of Nech Sar National Park, South Rift Valley, Ethiopia</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Simon%20Shibru">Simon Shibru</a>, <a href="https://publications.waset.org/abstracts/search?q=Karen%20Vancampenhout"> Karen Vancampenhout</a>, <a href="https://publications.waset.org/abstracts/search?q=Jozef%20Deckers"> Jozef Deckers</a>, <a href="https://publications.waset.org/abstracts/search?q=Herwig%20Leirs"> Herwig Leirs</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We investigated the population size of the endemic and endangered Swayne’s Hartebeest (Alcelaphus buselaphus swaynei) in Nech Sar National Park from 2012 to 2014 and document the major threats why the species is on the verge of local extinction. The park was once known for its abundant density of Swayne’s Hartebeest. We used direct total count methods for a census. We administered semi-structured interviews and open-ended questionnaires with senior scouts who are the member of the local communities. Historical records were obtained to evaluate the population trends of the animals since 1974. The density of the animal decreased from 65 in 1974 to 1 individual per 100 km2 in 2014 with a decline of 98.5% in the past 40 years. The respondents agreed that the conservation status of the park was in its worst condition ever now with only 2 Swayne’s Hartebeest left, with a rapid decline from 4 individuals in 2012 and 12 individuals in 2009. Mainly hunting and habitat loss, but also the unsuitable season of reproduction and shortage of forage as minor factors were identified as threats for a local extinction of the Swayne’s Hartebeests. On the other hand, predation, fire, disease, and ticks were not considered a cause for the declining trend. Hunting happens mostly out of some kind of revenge since the local community thought that they were pushed out from the land because of the presence of Swayne's Hartebeest in the area. Respondents agreed that the revenge action of the local communities was in response to their unwillingness to be displaced from the park in 1982/3. This conflict situation is resulting from the exclusionary wildlife management policy of the country. We conclude that the human interventions in general and illegal hunting, in particular, pushed the Swayne’s Hartebeest to a point of local extinction. Therefore, we recommend inclusive wildlife management approach for continuing existence of the park together with its natural resources so that sustainable use of the resources is in place. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hunting" title="hunting">hunting</a>, <a href="https://publications.waset.org/abstracts/search?q=habitat%20destruction" title=" habitat destruction"> habitat destruction</a>, <a href="https://publications.waset.org/abstracts/search?q=local%20extinction" title=" local extinction"> local extinction</a>, <a href="https://publications.waset.org/abstracts/search?q=Nech%20Sar%20National%20Park" title=" Nech Sar National Park"> Nech Sar National Park</a>, <a href="https://publications.waset.org/abstracts/search?q=Swayne%E2%80%99s%20Hartebeest" title=" Swayne’s Hartebeest"> Swayne’s Hartebeest</a> </p> <a href="https://publications.waset.org/abstracts/28244/human-pressure-threaten-swaynes-hartebeest-to-point-of-local-extinction-from-the-savannah-plains-of-nech-sar-national-park-south-rift-valley-ethiopia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28244.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">474</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> Modelling and Control of Milk Fermentation Process in Biochemical Reactor</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jo%C5%BEef%20Ritonja">Jožef Ritonja</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The biochemical industry is one of the most important modern industries. Biochemical reactors are crucial devices of the biochemical industry. The essential bioprocess carried out in bioreactors is the fermentation process. A thorough insight into the fermentation process and the knowledge how to control it are essential for effective use of bioreactors to produce high quality and quantitatively enough products. The development of the control system starts with the determination of a mathematical model that describes the steady state and dynamic properties of the controlled plant satisfactorily, and is suitable for the development of the control system. The paper analyses the fermentation process in bioreactors thoroughly, using existing mathematical models. Most existing mathematical models do not allow the design of a control system for controlling the fermentation process in batch bioreactors. Due to this, a mathematical model was developed and presented that allows the development of a control system for batch bioreactors. Based on the developed mathematical model, a control system was designed to ensure optimal response of the biochemical quantities in the fermentation process. Due to the time-varying and non-linear nature of the controlled plant, the conventional control system with a proportional-integral-differential controller with constant parameters does not provide the desired transient response. The improved adaptive control system was proposed to improve the dynamics of the fermentation. The use of the adaptive control is suggested because the parameters’ variations of the fermentation process are very slow. The developed control system was tested to produce dairy products in the laboratory bioreactor. A carbon dioxide concentration was chosen as the controlled variable. The carbon dioxide concentration correlates well with the other, for the quality of the fermentation process in significant quantities. The level of the carbon dioxide concentration gives important information about the fermentation process. The obtained results showed that the designed control system provides minimum error between reference and actual values of carbon dioxide concentration during a transient response and in a steady state. The recommended control system makes reference signal tracking much more efficient than the currently used conventional control systems which are based on linear control theory. The proposed control system represents a very effective solution for the improvement of the milk fermentation process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=biochemical%20reactor" title="biochemical reactor">biochemical reactor</a>, <a href="https://publications.waset.org/abstracts/search?q=fermentation%20process" title=" fermentation process"> fermentation process</a>, <a href="https://publications.waset.org/abstracts/search?q=modelling" title=" modelling"> modelling</a>, <a href="https://publications.waset.org/abstracts/search?q=adaptive%20control" title=" adaptive control"> adaptive control</a> </p> <a href="https://publications.waset.org/abstracts/114641/modelling-and-control-of-milk-fermentation-process-in-biochemical-reactor" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/114641.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">129</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> Model Reference Adaptive Approach for Power System Stabilizer for Damping of Power Oscillations</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Jo%C5%BEef%20Ritonja">Jožef Ritonja</a>, <a href="https://publications.waset.org/abstracts/search?q=Bojan%20Gr%C4%8Dar"> Bojan Grčar</a>, <a href="https://publications.waset.org/abstracts/search?q=Bo%C5%A1tjan%20Polaj%C5%BEer"> Boštjan Polajžer</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In recent years, electricity trade between neighboring countries has become increasingly intense. Increasing power transmission over long distances has resulted in an increase in the oscillations of the transmitted power. The damping of the oscillations can be carried out with the reconfiguration of the network or the replacement of generators, but such solution is not economically reasonable. The only cost-effective solution to improve the damping of power oscillations is to use power system stabilizers. Power system stabilizer represents a part of synchronous generator control system. It utilizes semiconductor’s excitation system connected to the rotor field excitation winding to increase the damping of the power system. The majority of the synchronous generators are equipped with the conventional power system stabilizers with fixed parameters. The control structure of the conventional power system stabilizers and the tuning procedure are based on the linear control theory. Conventional power system stabilizers are simple to realize, but they show non-sufficient damping improvement in the entire operating conditions. This is the reason that advanced control theories are used for development of better power system stabilizers. In this paper, the adaptive control theory for power system stabilizers design and synthesis is studied. The presented work is focused on the use of model reference adaptive control approach. Control signal, which assures that the controlled plant output will follow the reference model output, is generated by the adaptive algorithm. Adaptive gains are obtained as a combination of the "proportional" term and with the σ-term extended "integral" term. The σ-term is introduced to avoid divergence of the integral gains. The necessary condition for asymptotic tracking is derived by means of hyperstability theory. The benefits of the proposed model reference adaptive power system stabilizer were evaluated as objectively as possible by means of a theoretical analysis, numerical simulations and laboratory realizations. Damping of the synchronous generator oscillations in the entire operating range was investigated. Obtained results show the improved damping in the entire operating area and the increase of the power system stability. The results of the presented work will help by the development of the model reference power system stabilizer which should be able to replace the conventional stabilizers in power systems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=power%20system" title="power system">power system</a>, <a href="https://publications.waset.org/abstracts/search?q=stability" title=" stability"> stability</a>, <a href="https://publications.waset.org/abstracts/search?q=oscillations" title=" oscillations"> oscillations</a>, <a href="https://publications.waset.org/abstracts/search?q=power%20system%20stabilizer" title=" power system stabilizer"> power system stabilizer</a>, <a href="https://publications.waset.org/abstracts/search?q=model%20reference%20adaptive%20control" title=" model reference adaptive control"> model reference adaptive control</a> </p> <a href="https://publications.waset.org/abstracts/114837/model-reference-adaptive-approach-for-power-system-stabilizer-for-damping-of-power-oscillations" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/114837.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">138</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> An Aptasensor Based on Magnetic Relaxation Switch and Controlled Magnetic Separation for the Sensitive Detection of Pseudomonas aeruginosa</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fei%20Jia">Fei Jia</a>, <a href="https://publications.waset.org/abstracts/search?q=Xingjian%20Bai"> Xingjian Bai</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiaowei%20Zhang"> Xiaowei Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Wenjie%20Yan"> Wenjie Yan</a>, <a href="https://publications.waset.org/abstracts/search?q=Ruitong%20Dai"> Ruitong Dai</a>, <a href="https://publications.waset.org/abstracts/search?q=Xingmin%20Li"> Xingmin Li</a>, <a href="https://publications.waset.org/abstracts/search?q=Jozef%20Kokini"> Jozef Kokini</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Pseudomonas aeruginosa is a Gram-negative, aerobic, opportunistic human pathogen that is present in the soil, water, and food. This microbe has been recognized as a representative food-borne spoilage bacterium that can lead to many types of infections. Considering the casualties and property loss caused by P. aeruginosa, the development of a rapid and reliable technique for the detection of P. aeruginosa is crucial. The whole-cell aptasensor, an emerging biosensor using aptamer as a capture probe to bind to the whole cell, for food-borne pathogens detection has attracted much attention due to its convenience and high sensitivity. Here, a low-field magnetic resonance imaging (LF-MRI) aptasensor for the rapid detection of P. aeruginosa was developed. The basic detection principle of the magnetic relaxation switch (MRSw) nanosensor lies on the ‘T₂-shortening’ effect of magnetic nanoparticles in NMR measurements. Briefly speaking, the transverse relaxation time (T₂) of neighboring water protons get shortened when magnetic nanoparticles are clustered due to the cross-linking upon the recognition and binding of biological targets, or simply when the concentration of the magnetic nanoparticles increased. Such shortening is related to both the state change (aggregation or dissociation) and the concentration change of magnetic nanoparticles and can be detected using NMR relaxometry or MRI scanners. In this work, two different sizes of magnetic nanoparticles, which are 10 nm (MN₁₀) and 400 nm (MN₄₀₀) in diameter, were first immobilized with anti- P. aeruginosa aptamer through 1-Ethyl-3-(3-dimethylaminopropyl) carbodiimide (EDC)/N-hydroxysuccinimide (NHS) chemistry separately, to capture and enrich the P. aeruginosa cells. When incubating with the target, a ‘sandwich’ (MN₁₀-bacteria-MN₄₀₀) complex are formed driven by the bonding of MN400 with P. aeruginosa through aptamer recognition, as well as the conjugate aggregation of MN₁₀ on the surface of P. aeruginosa. Due to the different magnetic performance of the MN₁₀ and MN₄₀₀ in the magnetic field caused by their different saturation magnetization, the MN₁₀-bacteria-MN₄₀₀ complex, as well as the unreacted MN₄₀₀ in the solution, can be quickly removed by magnetic separation, and as a result, only unreacted MN₁₀ remain in the solution. The remaining MN₁₀, which are superparamagnetic and stable in low field magnetic field, work as a signal readout for T₂ measurement. Under the optimum condition, the LF-MRI platform provides both image analysis and quantitative detection of P. aeruginosa, with the detection limit as low as 100 cfu/mL. The feasibility and specificity of the aptasensor are demonstrated in detecting real food samples and validated by using plate counting methods. Only two steps and less than 2 hours needed for the detection procedure, this robust aptasensor can detect P. aeruginosa with a wide linear range from 3.1 ×10² cfu/mL to 3.1 ×10⁷ cfu/mL, which is superior to conventional plate counting method and other molecular biology testing assay. Moreover, the aptasensor has a potential to detect other bacteria or toxins by changing suitable aptamers. Considering the excellent accuracy, feasibility, and practicality, the whole-cell aptasensor provides a promising platform for a quick, direct and accurate determination of food-borne pathogens at cell-level. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=magnetic%20resonance%20imaging" title="magnetic resonance imaging">magnetic resonance imaging</a>, <a href="https://publications.waset.org/abstracts/search?q=meat%20spoilage" title=" meat spoilage"> meat spoilage</a>, <a href="https://publications.waset.org/abstracts/search?q=P.%20aeruginosa" title=" P. aeruginosa"> P. aeruginosa</a>, <a href="https://publications.waset.org/abstracts/search?q=transverse%20relaxation%20time" title=" transverse relaxation time"> transverse relaxation time</a> </p> <a href="https://publications.waset.org/abstracts/99014/an-aptasensor-based-on-magnetic-relaxation-switch-and-controlled-magnetic-separation-for-the-sensitive-detection-of-pseudomonas-aeruginosa" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/99014.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">152</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 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