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operating level</title> <meta name="description" content="Search results for: normal operating level"> <meta name="keywords" content="normal operating level"> <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 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action="https://publications.waset.org/abstracts/search"> <div 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="normal operating level"> <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> 16898</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: normal operating level</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">16898</span> Rapides-Des-Îles Main Spillway - Rehabilitation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maryam%20Kamali%20Nezhad">Maryam Kamali Nezhad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> As part of the project to rehabilitate the main spillway ("main") of the Rapides-des-Îles development in 2019, it was noted that there is a difference between the water level of the intake gauge and the level measured at the main spillway. The Rapides-des-Îles Generating Station is a Hydro-Québec hydroelectric generating station and dam located on the Ottawa River in the Abitibi-Témiscamingue administrative region of Québec. This plant, with an installed capacity of 176 MW, was commissioned in 1966. During the start-up meeting held at the site in May 2019, it was noticed that the water level upstream of the main spillway was considerably higher than the water level at the powerhouse intake. Measurements showed that the level was 229.46 m, whereas the normal operating level (NOL) and the critical maximum level (CML) used in the design were 228.60 m and 229.51 m, respectively. Considering that the water level had almost reached the maximum critical level of the structure despite a flood with a recurrence period of about 100 years, the work was suspended while the project was being decided. This is the first time since the Rapides des îles project was commissioned that a significant difference in elevation between the water level at the powerhouse (intake) and the main spillway has been observed. Following this observation, the contractor's work was suspended. The objective of this study is to identify the reason(s) for this problem and find solutions. Then determine the new upstream levels at the main spillway at which the safety of the structure is ensured and then adjust the engineering of the main spillway in the rehabilitation project accordingly. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=spillway" title="spillway">spillway</a>, <a href="https://publications.waset.org/abstracts/search?q=rehabilitation" title=" rehabilitation"> rehabilitation</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20level" title=" water level"> water level</a>, <a href="https://publications.waset.org/abstracts/search?q=powerhouse" title=" powerhouse"> powerhouse</a>, <a href="https://publications.waset.org/abstracts/search?q=normal%20operating%20level" title=" normal operating level"> normal operating level</a>, <a href="https://publications.waset.org/abstracts/search?q=critical%20maximum%20level" title=" critical maximum level"> critical maximum level</a>, <a href="https://publications.waset.org/abstracts/search?q=safety%20of%20the%20structure" title=" safety of the structure"> safety of the structure</a> </p> <a href="https://publications.waset.org/abstracts/162774/rapides-des-iles-main-spillway-rehabilitation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/162774.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">16897</span> Intelligent Decision Support for Wind Park Operation: Machine-Learning Based Detection and Diagnosis of Anomalous Operating States</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Angela%20Meyer">Angela Meyer</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The operation and maintenance cost for wind parks make up a major fraction of the park’s overall lifetime cost. To minimize the cost and risk involved, an optimal operation and maintenance strategy requires continuous monitoring and analysis. In order to facilitate this, we present a decision support system that automatically scans the stream of telemetry sensor data generated from the turbines. By learning decision boundaries and normal reference operating states using machine learning algorithms, the decision support system can detect anomalous operating behavior in individual wind turbines and diagnose the involved turbine sub-systems. Operating personal can be alerted if a normal operating state boundary is exceeded. The presented decision support system and method are applicable for any turbine type and manufacturer providing telemetry data of the turbine operating state. We demonstrate the successful detection and diagnosis of anomalous operating states in a case study at a German onshore wind park comprised of Vestas V112 turbines. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anomaly%20detection" title="anomaly detection">anomaly detection</a>, <a href="https://publications.waset.org/abstracts/search?q=decision%20support" title=" decision support"> decision support</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a>, <a href="https://publications.waset.org/abstracts/search?q=monitoring" title=" monitoring"> monitoring</a>, <a href="https://publications.waset.org/abstracts/search?q=performance%20optimization" title=" performance optimization"> performance optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=wind%20turbines" title=" wind turbines "> wind turbines </a> </p> <a href="https://publications.waset.org/abstracts/118859/intelligent-decision-support-for-wind-park-operation-machine-learning-based-detection-and-diagnosis-of-anomalous-operating-states" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/118859.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">167</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">16896</span> Operating Model of Obstructive Sleep Apnea Patients in North Karelia Central Hospital </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=L.%20Korpinen">L. Korpinen</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Kava"> T. Kava</a>, <a href="https://publications.waset.org/abstracts/search?q=I.%20Salmi"> I. Salmi </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study aimed to describe the operating model of obstructive sleep apnea. Due to the large number of patients, the role of nurses in the diagnosis and treatment of sleep apnea was important. Pulmonary physicians met only a minority of the patients. The sleep apnea study in 2018 included about 800 patients, of which about 28% were normal and 180 patients were classified as severe (apnea-hypopnea index [AHI] over 30). The operating model has proven to be workable and appropriate. The patients understand well that they may not be referred to a pulmonary doctor. However, specialized medical follow-up on professional drivers continues every year. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=sleep" title="sleep">sleep</a>, <a href="https://publications.waset.org/abstracts/search?q=apnea%20patient" title=" apnea patient"> apnea patient</a>, <a href="https://publications.waset.org/abstracts/search?q=operating%20model" title=" operating model"> operating model</a>, <a href="https://publications.waset.org/abstracts/search?q=hospital" title=" hospital"> hospital</a> </p> <a href="https://publications.waset.org/abstracts/111322/operating-model-of-obstructive-sleep-apnea-patients-in-north-karelia-central-hospital" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/111322.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">132</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">16895</span> Analysis of Operating Speed on Four-Lane Divided Highways under Mixed Traffic Conditions</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Chaitanya%20Varma">Chaitanya Varma</a>, <a href="https://publications.waset.org/abstracts/search?q=Arpan%20Mehar"> Arpan Mehar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The present study demonstrates the procedure to analyse speed data collected on various four-lane divided sections in India. Field data for the study was collected at different straight and curved sections on rural highways with the help of radar speed gun and video camera. The data collected at the sections were analysed and parameters pertain to speed distributions were estimated. The different statistical distribution was analysed on vehicle type speed data and for mixed traffic speed data. It was found that vehicle type speed data was either follows the normal distribution or Log-normal distribution, whereas the mixed traffic speed data follows more than one type of statistical distribution. The most common fit observed on mixed traffic speed data were Beta distribution and Weibull distribution. The separate operating speed model based on traffic and roadway geometric parameters were proposed in the present study. The operating speed model with traffic parameters and curve geometry parameters were established. Two different operating speed models were proposed with variables 1/R and Ln(R) and were found to be realistic with a different range of curve radius. The models developed in the present study are simple and realistic and can be used for forecasting operating speed on four-lane highways. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=highway" title="highway">highway</a>, <a href="https://publications.waset.org/abstracts/search?q=mixed%20traffic%20flow" title=" mixed traffic flow"> mixed traffic flow</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling" title=" modeling"> modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=operating%20speed" title=" operating speed"> operating speed</a> </p> <a href="https://publications.waset.org/abstracts/33813/analysis-of-operating-speed-on-four-lane-divided-highways-under-mixed-traffic-conditions" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33813.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">460</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">16894</span> The Determination of Operating Reserve in Small Power Systems Based on Reliability Criteria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=H.%20Falsafi%20Falsafizadeh">H. Falsafi Falsafizadeh</a>, <a href="https://publications.waset.org/abstracts/search?q=R.%20Zeinali%20Zeinali"> R. Zeinali Zeinali</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper focuses on determination of total Operating Reserve (OR) level, consisting of spinning and non-spinning reserves, in two small real power systems, in such a way that the system reliability indicator would comply with typical industry standards. For this purpose, the standard used by the North American Electric Reliability Corporation (NERC) – i.e., 1 day outage in 10 years or 0.1 days/year is relied. The simulation of system operation for these systems that was used for the determination of total operating reserve level was performed by industry standard production simulation software in this field, named PLEXOS. In this paper, the operating reserve which meets an annual Loss of Load Expectation (LOLE) of approximately 0.1 days per year is determined in the study year. This reserve is the minimum amount of reserve required in a power system and generally defined as a percentage of the annual peak. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=frequency%20control" title="frequency control">frequency control</a>, <a href="https://publications.waset.org/abstracts/search?q=LOLE" title=" LOLE"> LOLE</a>, <a href="https://publications.waset.org/abstracts/search?q=operating%20reserve" title=" operating reserve"> operating reserve</a>, <a href="https://publications.waset.org/abstracts/search?q=system%20reliability" title=" system reliability"> system reliability</a> </p> <a href="https://publications.waset.org/abstracts/67268/the-determination-of-operating-reserve-in-small-power-systems-based-on-reliability-criteria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67268.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">16893</span> Experimental Investigation on the Optimal Operating Frequency of a Thermoacoustic Refrigerator</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kriengkrai%20Assawamartbunlue">Kriengkrai Assawamartbunlue</a>, <a href="https://publications.waset.org/abstracts/search?q=Channarong%20Wantha"> Channarong Wantha</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents the effects of the mean operating pressure on the optimal operating frequency based on temperature differences across stack ends in a thermoacoustic refrigerator. In addition to the length of the resonance tube, components of the thermoacoustic refrigerator have an influence on the operating frequency due to their acoustic properties, i.e. absorptivity, reflectivity and transmissivity. The interference of waves incurs and distorts the original frequency generated by the driver so that the optimal operating frequency differs from the designs. These acoustic properties are not parameters in the designs and it is very complicated to infer their responses. A prototype thermoacoustic refrigerator is constructed and used to investigate its optimal operating frequency compared to the design at various operating pressures. Helium and air are used as working fluids during the experiments. The results indicate that the optimal operating frequency of the prototype thermoacoustic refrigerator using helium is at 6 bar and 490Hz or approximately 20% away from the design frequency. The optimal operating frequency at other mean pressures differs from the design in an unpredictable manner, however, the optimal operating frequency and pressure can be identified by testing. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acoustic%20properties" title="acoustic properties">acoustic properties</a>, <a href="https://publications.waset.org/abstracts/search?q=Carnot%E2%80%99s%20efficiency" title=" Carnot’s efficiency"> Carnot’s efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=interference%20of%20waves" title=" interference of waves"> interference of waves</a>, <a href="https://publications.waset.org/abstracts/search?q=operating%20pressure" title=" operating pressure"> operating pressure</a>, <a href="https://publications.waset.org/abstracts/search?q=optimal%20operating%20frequency" title=" optimal operating frequency"> optimal operating frequency</a>, <a href="https://publications.waset.org/abstracts/search?q=stack%20performance" title=" stack performance"> stack performance</a>, <a href="https://publications.waset.org/abstracts/search?q=standing%20wave" title=" standing wave"> standing wave</a>, <a href="https://publications.waset.org/abstracts/search?q=thermoacoustic%20refrigerator" title=" thermoacoustic refrigerator"> thermoacoustic refrigerator</a> </p> <a href="https://publications.waset.org/abstracts/23908/experimental-investigation-on-the-optimal-operating-frequency-of-a-thermoacoustic-refrigerator" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23908.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">486</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">16892</span> Human C-Cbl and Cbl-b Proteins Are More Highly Expressed in the Thymus Compared to the Testis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mazo%20Kone">Mazo Kone</a>, <a href="https://publications.waset.org/abstracts/search?q=Rachida%20Salah"> Rachida Salah</a>, <a href="https://publications.waset.org/abstracts/search?q=Harir%20Noria"> Harir Noria</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background and objectives: c-Cbl and Cbl-b are two members of the Cbl family proteins, with a crucial role of downregulation of tyrosine kinase receptors. They act as E3 ubiquitin ligases and are multivalent adaptor proteins, making them important in maintaining homeostasis in the body. This study investigated the expression level in thymus and testis in normal conditions. Methods: The expression level was assessed by immunochemistry of tissue microarrays of normal thymus and testis biopsies. Results: Cbl-b and c-Cbl proteins were found to be highly expressed in normal testis and thymus, indicated as yellowish brown granules in the cytomembrane and cytoplasm compared to controls. The c-Cbl appears to be more highly expressed than the Cbl-b in the thymus, while c-Cbl appears slightly stronger than Cbl-b in the testis. The thymus was found with a higher grade compared to the testis. Conclusion: In this work we concluded, that in normal condition, thymus tissue expresses more Cbl family proteins(c-Cbl and Cbl-b) than the testis tissue in humans. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Human%20C-Cbl%20proteins" title="Human C-Cbl proteins">Human C-Cbl proteins</a>, <a href="https://publications.waset.org/abstracts/search?q=Human%20Cbl-b%20protein" title=" Human Cbl-b protein"> Human Cbl-b protein</a>, <a href="https://publications.waset.org/abstracts/search?q=Testis" title=" Testis"> Testis</a>, <a href="https://publications.waset.org/abstracts/search?q=Thymus" title=" Thymus"> Thymus</a> </p> <a href="https://publications.waset.org/abstracts/72064/human-c-cbl-and-cbl-b-proteins-are-more-highly-expressed-in-the-thymus-compared-to-the-testis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72064.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">233</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">16891</span> Effect of Ginger (Zingiber Officinal) Root Extract on Blood Glucose Level and Lipid Profile in Normal and Alloxan-Diabetic Rabbits</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Khalil%20Abdullah%20Ahmed%20Khalil">Khalil Abdullah Ahmed Khalil</a>, <a href="https://publications.waset.org/abstracts/search?q=Elsadig%20Mohamed%20Ahmed"> Elsadig Mohamed Ahmed</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Ginger is one of the most important medicinal plants, which is widely used in folk medicine. This study was designed to go further step and evaluate the hypoglycemic and hypolipidaemic effects of the aqueous ginger root extract in normal and alloxan diabetic rabbits. Results revealed that the aqueous ginger has a significant hypoglycemic effect (P<0.05) in diabetic rabbits but a non-significant hypoglycemic effect (P>0.05) in normal rabbits. There were also significant decreases in the concentrations (P<0.05) in serum cholesterol, triglycerides and LDL – cholesterol in both normal and diabetic rabbits. Although there was an elevation in serum HDL- cholesterol in both normal and diabetic rabbits, these elevations were non-significant (P>0.05). Our data suggest the aqueous ginger has a hypoglycemic effect in diabetic rabbits and lipid-lowering properties in both normal and diabetic rabbits. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aqueous%20extract%20of%20ginger%20root%20%28AEGR%29" title="aqueous extract of ginger root (AEGR)">aqueous extract of ginger root (AEGR)</a>, <a href="https://publications.waset.org/abstracts/search?q=hypoglycemic" title=" hypoglycemic"> hypoglycemic</a>, <a href="https://publications.waset.org/abstracts/search?q=cholesterol" title=" cholesterol"> cholesterol</a>, <a href="https://publications.waset.org/abstracts/search?q=triglyceride" title=" triglyceride"> triglyceride</a> </p> <a href="https://publications.waset.org/abstracts/142726/effect-of-ginger-zingiber-officinal-root-extract-on-blood-glucose-level-and-lipid-profile-in-normal-and-alloxan-diabetic-rabbits" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/142726.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">293</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">16890</span> Characterization of Surface Suction Grippers for Continuous-Discontinuous Fiber Reinforced Semi-Finished Parts of an Automated Handling and Preforming Operation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=J%C3%BCrgen%20Fleischer">Jürgen Fleischer</a>, <a href="https://publications.waset.org/abstracts/search?q=Woramon%20Pangboonyanon"> Woramon Pangboonyanon</a>, <a href="https://publications.waset.org/abstracts/search?q=Dominic%20Lesage"> Dominic Lesage</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Non-metallic lightweight materials such as fiber reinforced plastics (FRP) become very significant at present. Prepregs e.g. SMC and unidirectional tape (UD-tape) are one of raw materials used to produce FRP. This study concerns with the manufacturing steps of handling and preforming of this UD-SMC and focuses on the investigation of gripper characteristics regarding gripping forces in normal and lateral direction, in order to identify suitable operating pressures for a secure gripping operation. A reliable handling and preforming operation results in a higher adding value of the overall process chain. As a result, the suitable operating pressures depending on travelling direction for each material type could be shown. Moreover, system boundary conditions regarding allowable pulling force in normal and lateral directions during preforming could be measured. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=continuous-discontinuous%20fiber%20reinforced%20plastics" title="continuous-discontinuous fiber reinforced plastics">continuous-discontinuous fiber reinforced plastics</a>, <a href="https://publications.waset.org/abstracts/search?q=UD-SMC-prepreg" title=" UD-SMC-prepreg"> UD-SMC-prepreg</a>, <a href="https://publications.waset.org/abstracts/search?q=handling" title=" handling"> handling</a>, <a href="https://publications.waset.org/abstracts/search?q=preforming" title=" preforming"> preforming</a>, <a href="https://publications.waset.org/abstracts/search?q=prepregs" title=" prepregs"> prepregs</a>, <a href="https://publications.waset.org/abstracts/search?q=sheet%20moulding%20compounds" title=" sheet moulding compounds"> sheet moulding compounds</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20suction%20gripper" title=" surface suction gripper"> surface suction gripper</a> </p> <a href="https://publications.waset.org/abstracts/59931/characterization-of-surface-suction-grippers-for-continuous-discontinuous-fiber-reinforced-semi-finished-parts-of-an-automated-handling-and-preforming-operation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59931.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">222</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">16889</span> Effect of Assumptions of Normal Shock Location on the Design of Supersonic Ejectors for Refrigeration</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Payam%20Haghparast">Payam Haghparast</a>, <a href="https://publications.waset.org/abstracts/search?q=Mikhail%20V.%20Sorin"> Mikhail V. Sorin</a>, <a href="https://publications.waset.org/abstracts/search?q=Hakim%20Nesreddine"> Hakim Nesreddine</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The complex oblique shock phenomenon can be simply assumed as a normal shock at the constant area section to simulate a sharp pressure increase and velocity decrease in 1-D thermodynamic models. The assumed normal shock location is one of the greatest sources of error in ejector thermodynamic models. Most researchers consider an arbitrary location without justifying it. Our study compares the effect of normal shock place on ejector dimensions in 1-D models. To this aim, two different ejector experimental test benches, a constant area-mixing ejector (CAM) and a constant pressure-mixing (CPM) are considered, with different known geometries, operating conditions and working fluids (R245fa, R141b). In the first step, in order to evaluate the real value of the efficiencies in the different ejector parts and critical back pressure, a CFD model was built and validated by experimental data for two types of ejectors. These reference data are then used as input to the 1D model to calculate the lengths and the diameters of the ejectors. Afterwards, the design output geometry calculated by the 1D model is compared directly with the corresponding experimental geometry. It was found that there is a good agreement between the ejector dimensions obtained by the 1D model, for both CAM and CPM, with experimental ejector data. Furthermore, it is shown that normal shock place affects only the constant area length as it is proven that the inlet normal shock assumption results in more accurate length. Taking into account previous 1D models, the results suggest the use of the assumed normal shock location at the inlet of the constant area duct to design the supersonic ejectors. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=1D%20model" title="1D model">1D model</a>, <a href="https://publications.waset.org/abstracts/search?q=constant%20area-mixing" title=" constant area-mixing"> constant area-mixing</a>, <a href="https://publications.waset.org/abstracts/search?q=constant%20pressure-mixing" title=" constant pressure-mixing"> constant pressure-mixing</a>, <a href="https://publications.waset.org/abstracts/search?q=normal%20shock%20location" title=" normal shock location"> normal shock location</a>, <a href="https://publications.waset.org/abstracts/search?q=ejector%20dimensions" title=" ejector dimensions"> ejector dimensions</a> </p> <a href="https://publications.waset.org/abstracts/79934/effect-of-assumptions-of-normal-shock-location-on-the-design-of-supersonic-ejectors-for-refrigeration" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/79934.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">194</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">16888</span> Switched System Diagnosis Based on Intelligent State Filtering with Unknown Models</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nada%20Slimane">Nada Slimane</a>, <a href="https://publications.waset.org/abstracts/search?q=Foued%20Theljani"> Foued Theljani</a>, <a href="https://publications.waset.org/abstracts/search?q=Faouzi%20Bouani"> Faouzi Bouani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The paper addresses the problem of fault diagnosis for systems operating in several modes (normal or faulty) based on states assessment. We use, for this purpose, a methodology consisting of three main processes: 1) sequential data clustering, 2) linear model regression and 3) state filtering. Typically, Kalman Filter (KF) is an algorithm that provides estimation of unknown states using a sequence of I/O measurements. Inevitably, although it is an efficient technique for state estimation, it presents two main weaknesses. First, it merely predicts states without being able to isolate/classify them according to their different operating modes, whether normal or faulty modes. To deal with this dilemma, the KF is endowed with an extra clustering step based fully on sequential version of the k-means algorithm. Second, to provide state estimation, KF requires state space models, which can be unknown. A linear regularized regression is used to identify the required models. To prove its effectiveness, the proposed approach is assessed on a simulated benchmark. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=clustering" title="clustering">clustering</a>, <a href="https://publications.waset.org/abstracts/search?q=diagnosis" title=" diagnosis"> diagnosis</a>, <a href="https://publications.waset.org/abstracts/search?q=Kalman%20Filtering" title=" Kalman Filtering"> Kalman Filtering</a>, <a href="https://publications.waset.org/abstracts/search?q=k-means" title=" k-means"> k-means</a>, <a href="https://publications.waset.org/abstracts/search?q=regularized%20regression" title=" regularized regression"> regularized regression</a> </p> <a href="https://publications.waset.org/abstracts/104370/switched-system-diagnosis-based-on-intelligent-state-filtering-with-unknown-models" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/104370.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">182</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">16887</span> CFD Simulation for Flow Behavior in Boiling Water Reactor Vessel and Upper Pool under Decommissioning Condition</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Y.%20T.%20Ku">Y. T. Ku</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20W.%20Chen"> S. W. Chen</a>, <a href="https://publications.waset.org/abstracts/search?q=J.%20R.%20Wang"> J. R. Wang</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20Shih"> C. Shih</a>, <a href="https://publications.waset.org/abstracts/search?q=Y.%20F.%20Chang"> Y. F. Chang</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In order to respond the policy decision of non-nuclear homes, Tai Power Company (TPC) will provide the decommissioning project of Kuosheng Nuclear power plant (KSNPP) to meet the regulatory requirement in near future. In this study, the computational fluid dynamics (CFD) methodology has been employed to develop a flow prediction model for boiling water reactor (BWR) with upper pool under decommissioning stage. The model can be utilized to investigate the flow behavior as the vessel combined with upper pool and continuity cooling system. At normal operating condition, different parameters are obtained for the full fluid area, including velocity, mass flow, and mixing phenomenon in the reactor pressure vessel (RPV) and upper pool. Through the efforts of the study, an integrated simulation model will be developed for flow field analysis of decommissioning KSNPP under normal operating condition. It can be expected that a basis result for future analysis application of TPC can be provide from this study. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=CFD" title="CFD">CFD</a>, <a href="https://publications.waset.org/abstracts/search?q=BWR" title=" BWR"> BWR</a>, <a href="https://publications.waset.org/abstracts/search?q=decommissioning" title=" decommissioning"> decommissioning</a>, <a href="https://publications.waset.org/abstracts/search?q=upper%20pool" title=" upper pool"> upper pool</a> </p> <a href="https://publications.waset.org/abstracts/92505/cfd-simulation-for-flow-behavior-in-boiling-water-reactor-vessel-and-upper-pool-under-decommissioning-condition" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/92505.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">267</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">16886</span> Dopamine and Serotonin Levels in Blood Samples of Jordanian Children Who Stutter</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mazin%20Alqhazo">Mazin Alqhazo</a>, <a href="https://publications.waset.org/abstracts/search?q=Ayat%20Bani%20Rashaid"> Ayat Bani Rashaid</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study examines the levels of dopamine and serotonin in blood samples of children who stutter compared with normal fluent speakers. Blood specimens from 50 children who stutter (6 females, 44 males) and 50 normal children matched age and gender were collected for the purpose of the current study. The concentrations of dopamine and serotonin were measured using the 1100 series high-performance liquid chromatography coupled with ultraviolet detector instrument (HPLC-UV). It was revealed that dopamine level in the blood samples of stuttering group and fluent group was not significant (P = 0.769), whereas the level of serotonin was significantly higher in the blood samples of stuttering group than the blood samples of fluent normal group (P = 0.015). It is concluded that serotonin blockers could be used in future studies to evaluate its role as a medication for the treatment of stuttering. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dopamine" title="dopamine">dopamine</a>, <a href="https://publications.waset.org/abstracts/search?q=serotonin" title=" serotonin"> serotonin</a>, <a href="https://publications.waset.org/abstracts/search?q=stuttering" title=" stuttering"> stuttering</a>, <a href="https://publications.waset.org/abstracts/search?q=fluent%20speakers" title=" fluent speakers"> fluent speakers</a> </p> <a href="https://publications.waset.org/abstracts/112649/dopamine-and-serotonin-levels-in-blood-samples-of-jordanian-children-who-stutter" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/112649.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">160</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">16885</span> Transient Level in the Surge Chamber at the Robert-bourassa Generating Station</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maryam%20Kamali%20Nezhad">Maryam Kamali Nezhad</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The Robert-Bourassa development (LG-2), the first to be built on the Grande Rivière, comprises two sets of eight turbines- generator units each, the East and West powerhouses. Each powerhouse has two tailrace tunnels with an average length of about 1178 m. The LG-2A powerhouse houses 6 turbine-generator units. The water is discharged through two tailrace tunnels with a length of about 1330 m. The objective of this work, at RB (LG-2), is; 1) to establish a new maximum transient level in the surge chamber, 2) to define the new maximum equipment flow rate for the future turbine-generator units, 3) to ensure safe access to various intervention locations in the surge chamber. The transient levels under normal operating conditions at the RB plant were determined in 2001 by the Hydraulics Unit of HQE using the "Chamber" software. It is a one-dimensional mass oscillation calculation software; it is used to determine the variation of the water level in the equilibrium chamber located downstream of a power plant during the load shedding of the power plant units; it can also be used in the case of an equilibrium stack upstream of a power plant. The RB (LG-2) plant study is based on the theoretical nominal geometry of the chamber and the tailrace tunnels and the flow-level relationship at the outlet of the galleries established during design. The software is used in such a way that the results have an acceptable margin of safety, especially with respect to the maximum transient level (e.g., resumption of flow at an inopportune time), to take into account the turbulent and three-dimensional aspects of the actual flow in the chamber. Note that the transient levels depend on the water levels in the river and in the steady-state equilibrium chambers. These data are established in the HQP CRP database and updated from time to time. The maximum transient levels in the RB-East and RB-West powerhouses surge chamber were revised based on the latest update (set 4) of in-river rating curves and steady-state surge chamber water levels. The results of the revision were also used to update the technical advice on the operating conditions for the aforementioned surge chamber access while considering revisions to the calculated water levels. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=generating%20station" title="generating station">generating station</a>, <a href="https://publications.waset.org/abstracts/search?q=surge%20chamber" title=" surge chamber"> surge chamber</a>, <a href="https://publications.waset.org/abstracts/search?q=maximum%20transient%20level" title=" maximum transient level"> maximum transient level</a>, <a href="https://publications.waset.org/abstracts/search?q=hydroelectric%20power%20station" title=" hydroelectric power station"> hydroelectric power station</a>, <a href="https://publications.waset.org/abstracts/search?q=turbine-generator" title=" turbine-generator"> turbine-generator</a>, <a href="https://publications.waset.org/abstracts/search?q=reservoir" title=" reservoir"> reservoir</a> </p> <a href="https://publications.waset.org/abstracts/162729/transient-level-in-the-surge-chamber-at-the-robert-bourassa-generating-station" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/162729.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">16884</span> Normal Spectral Emissivity of Roughened Aluminum Alloy AL 6061 Surfaces at High Temperature</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sumeet%20Kumar">Sumeet Kumar</a>, <a href="https://publications.waset.org/abstracts/search?q=C.%20V.%20Krishnamurthy"> C. V. Krishnamurthy</a>, <a href="https://publications.waset.org/abstracts/search?q=Krishnan%20Balasubramaniam"> Krishnan Balasubramaniam</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Normal spectral emissivity of Al 6061 alloys with different surface finishes was experimentally measured at 833°K. Four different samples were prepared by polishing the surfaces of the alloy by 80, 220, 600 grit sizes of SiC abrasive papers and diamond paste. The samples were heated in air for 6 h at 833°K, and the emissivity was measured during the process from pyrometers operating at wavelengths of 3.9, 5.14 and 7.8 μm. The results indicated that the emissivity was increasing with heating time and the rate of increase was rapid during the initial stage of heating in comparison with the later stage. This appears to be because of the parabolic rate law followed by the process of oxidation. Further, it is found that the increase in emissivity with heating time was higher for rough surfaces than that for polished surfaces. Both the results were analyzed at all the three wavelengths, and qualitatively similar results were obtained for all of them. In this way emissivity of the alloy can be increased by roughening the surfaces and heating it at high temperature until the surfaces are oxidized. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aluminum%20alloy" title="aluminum alloy">aluminum alloy</a>, <a href="https://publications.waset.org/abstracts/search?q=high%20temperature" title=" high temperature"> high temperature</a>, <a href="https://publications.waset.org/abstracts/search?q=normal%20spectral%20emissivity" title=" normal spectral emissivity"> normal spectral emissivity</a>, <a href="https://publications.waset.org/abstracts/search?q=surface%20roughness" title=" surface roughness"> surface roughness</a> </p> <a href="https://publications.waset.org/abstracts/101984/normal-spectral-emissivity-of-roughened-aluminum-alloy-al-6061-surfaces-at-high-temperature" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/101984.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">16883</span> Study of the Anti-Diabetic Activity of the Common Fig in the Region of the El Amra (Ain Defla), Algeria</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Meliani%20Samiha">Meliani Samiha</a>, <a href="https://publications.waset.org/abstracts/search?q=Hassaine%20Sarah"> Hassaine Sarah</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Figs are so much consumed in the Mediterranean region; they present a high nutritional value and also multiple therapeutic virtues. Our work contributes to the study of the antidiabetic activity of the common fig of the region of El Amra (AinDefla) Algeria. To do this, 20 Wistar rats female, divided into 4 lots, were used: Lot 1: 5 normal controls; Lot 2: 5 normal controls treated with dry fig juice at 20%; Lot 3: 5 diabetic controls; Lot 4: 5 diabetic controls treated with dry fig juice at 20%. The rats are rendered diabetic by intra-peritoneal injection of a streptozotocin solution. The blood glucose is measured after 1 hour, 2 hours, 3 hours and after 4 hours of the administration of the fig juice; it’s measured also on the 5th day, 8th day and 9th day of the beginning of the experiment. The determination of cholesterol and triglycerides blood is carried out at the beginning and the end of the study. On the 9th day, we recorded a very significant decrease of the blood sugar level of diabetic rats treated with dry fig juice. This blood glucose level normalized for 3 rats/5rats, we also recorded a decrease, but not significant, of cholesterol and triglycerides blood levels. In the short term (for 4 hours), an increase of blood sugar level, one hour after administration, for normal and diabetic rats. This increase is probably due to the high level of sugar content in the preparation. The blood glucose level is then corrected, four hours later. This may be the result of anti hyperglycemic effect of the active ingredients contained in the figs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=antidiabetic" title="antidiabetic">antidiabetic</a>, <a href="https://publications.waset.org/abstracts/search?q=figs" title=" figs"> figs</a>, <a href="https://publications.waset.org/abstracts/search?q=hypoglycemia" title=" hypoglycemia"> hypoglycemia</a>, <a href="https://publications.waset.org/abstracts/search?q=streptozotocin" title=" streptozotocin"> streptozotocin</a> </p> <a href="https://publications.waset.org/abstracts/74330/study-of-the-anti-diabetic-activity-of-the-common-fig-in-the-region-of-the-el-amra-ain-defla-algeria" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/74330.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">218</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">16882</span> Comparative Study of Outcomes of Nonfixation of Mesh versus Fixation in Laparoscopic Total Extra Peritoneal (TEP) Repair of Inguinal Hernia: A Prospective Randomized Controlled Trial</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raman%20Sharma">Raman Sharma</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20K.%20Jain"> S. K. Jain</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aims and Objectives: Fixation of the mesh during laparoscopic total extraperitoneal (TEP) repair of inguinal hernia is thought to be necessary to prevent recurrence. However, mesh ﬁxation may increase surgical complications and postoperative pain. Our objective was to compare the outcomes of nonﬁxation with ﬁxation of polypropylene mesh by metal tacks during TEP repair of inguinal hernia. Methods: Forty patients aged 18 to72 years with inguinal hernia were included who underwent laparoscopic TEP repair of inguinal hernia with (n=20) or without (n=20) fixation of the mesh. The outcomes were operative duration, postoperative pain score, cost, in-hospital stay, time to return to normal activity, and complications. Results: Patients in whom the mesh was not fixed had shorter mean operating time (p < 0.05). We found no difference between groups in the postoperative pain score, incidence of recurrence, in-hospital stay, time to return to normal activity and complications (P > 0.05). Moreover, a net cost savings was realized for each hernia repair performed without stapled mesh. Conclusions: TEP repair without mesh fixation resulted in the shorter operating time and lower operative cost with no difference between groups in the postoperative pain score, incidence of recurrence, in-hospital stay, time to return to normal activity and complications. All this contribute to make TEP repair without mesh fixation a better choice for repair of uncomplicated inguinal hernia, especially in developing nations with scarce resources. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=postoperative%20pain%20score" title="postoperative pain score">postoperative pain score</a>, <a href="https://publications.waset.org/abstracts/search?q=inguinal%20hernia" title=" inguinal hernia"> inguinal hernia</a>, <a href="https://publications.waset.org/abstracts/search?q=nonfixation%20of%20mesh" title=" nonfixation of mesh"> nonfixation of mesh</a>, <a href="https://publications.waset.org/abstracts/search?q=total%20extra%20peritoneal%20%28TEP%29" title=" total extra peritoneal (TEP)"> total extra peritoneal (TEP)</a> </p> <a href="https://publications.waset.org/abstracts/36490/comparative-study-of-outcomes-of-nonfixation-of-mesh-versus-fixation-in-laparoscopic-total-extra-peritoneal-tep-repair-of-inguinal-hernia-a-prospective-randomized-controlled-trial" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36490.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">343</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">16881</span> Spectral Analysis of Heart Rate Variability for Normal and Preeclamptic Pregnants</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Abdulnasir%20Hossen">Abdulnasir Hossen</a>, <a href="https://publications.waset.org/abstracts/search?q=Alaa%20Barhoum"> Alaa Barhoum</a>, <a href="https://publications.waset.org/abstracts/search?q=Deepali%20Jaju"> Deepali Jaju</a>, <a href="https://publications.waset.org/abstracts/search?q=V.%20Gowri"> V. Gowri</a>, <a href="https://publications.waset.org/abstracts/search?q=L.%20Al-Kharusi"> L. Al-Kharusi</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Hassan"> M. Hassan</a>, <a href="https://publications.waset.org/abstracts/search?q=K.%20Al-Hashmi"> K. Al-Hashmi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Preeclampsia is a pregnancy disorder associated with increase in blood pressure and excess amount of protein in the urine. HRV analysis has been used by many researchers to identify preeclamptic pregnancy from normal pregnancy. A study in this regard to identify preeclamptic pregnancy in Oman from normal pregnant was conducted on 40 subjects (20 patients and 20 normal). The subjects were collected from two hospitals in Oman. A Fast Fourier transform (FFT) spectral analysis has shown that patients with preeclamptic pregnancy have a reduction in the power of the HF band and an increase in the power of the LF band of HRV compared with subjects with normal pregnancy. The accuracy of identification obtained was 80%. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=preelampsia" title="preelampsia">preelampsia</a>, <a href="https://publications.waset.org/abstracts/search?q=pregnancy%20hypertension" title=" pregnancy hypertension"> pregnancy hypertension</a>, <a href="https://publications.waset.org/abstracts/search?q=normal%20pregnant" title=" normal pregnant"> normal pregnant</a>, <a href="https://publications.waset.org/abstracts/search?q=FFT" title=" FFT"> FFT</a>, <a href="https://publications.waset.org/abstracts/search?q=spectral%20analysis" title=" spectral analysis"> spectral analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=HRV" title=" HRV"> HRV</a> </p> <a href="https://publications.waset.org/abstracts/17998/spectral-analysis-of-heart-rate-variability-for-normal-and-preeclamptic-pregnants" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17998.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">556</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">16880</span> Water Distribution Uniformity of Solid-Set Sprinkler Irrigation under Low Operating Pressure </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Manal%20Osman">Manal Osman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sprinkler irrigation system became more popular to reduce water consumption and increase irrigation efficiency. The water distribution uniformity plays an important role in the performance of the sprinkler irrigation system. The use of low operating pressure instead of high operating pressure can be achieved many benefits including energy and water saving. An experimental study was performed to investigate the water distribution uniformity of the solid-set sprinkler irrigation system under low operating pressure. Different low operating pressures (62, 82, 102 and 122 kPa) were selected. The range of operating pressure was lower than the recommended in the previous studies to investigate the effect of low pressure on the water distribution uniformity. Different nozzle diameters (4, 5, 6 and 7 mm) were used. The outdoor single sprinkler test was performed. The water distribution of single sprinkler, the coefficients of uniformity such as coefficient of uniformity (CU), distribution uniformity of low quarter (DUlq), distribution uniformity of low half (DUlh), coefficient of variation (CV) and the distribution characteristics like rotation speed, throw radius and overlapping distance are presented in this paper. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=low%20operating%20pressure" title="low operating pressure">low operating pressure</a>, <a href="https://publications.waset.org/abstracts/search?q=sprinkler%20irrigation%20system" title=" sprinkler irrigation system"> sprinkler irrigation system</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20distribution%20uniformity" title=" water distribution uniformity"> water distribution uniformity</a> </p> <a href="https://publications.waset.org/abstracts/7412/water-distribution-uniformity-of-solid-set-sprinkler-irrigation-under-low-operating-pressure" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/7412.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">589</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">16879</span> On the Use of Machine Learning for Tamper Detection</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Basel%20Halak">Basel Halak</a>, <a href="https://publications.waset.org/abstracts/search?q=Christian%20Hall"> Christian Hall</a>, <a href="https://publications.waset.org/abstracts/search?q=Syed%20Abdul%20Father"> Syed Abdul Father</a>, <a href="https://publications.waset.org/abstracts/search?q=Nelson%20Chow%20Wai%20Kit"> Nelson Chow Wai Kit</a>, <a href="https://publications.waset.org/abstracts/search?q=Ruwaydah%20Widaad%20Raymode"> Ruwaydah Widaad Raymode</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The attack surface on computing devices is becoming very sophisticated, driven by the sheer increase of interconnected devices, reaching 50B in 2025, which makes it easier for adversaries to have direct access and perform well-known physical attacks. The impact of increased security vulnerability of electronic systems is exacerbated for devices that are part of the critical infrastructure or those used in military applications, where the likelihood of being targeted is very high. This continuously evolving landscape of security threats calls for a new generation of defense methods that are equally effective and adaptive. This paper proposes an intelligent defense mechanism to protect from physical tampering, it consists of a tamper detection system enhanced with machine learning capabilities, which allows it to recognize normal operating conditions, classify known physical attacks and identify new types of malicious behaviors. A prototype of the proposed system has been implemented, and its functionality has been successfully verified for two types of normal operating conditions and further four forms of physical attacks. In addition, a systematic threat modeling analysis and security validation was carried out, which indicated the proposed solution provides better protection against including information leakage, loss of data, and disruption of operation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=anti-tamper" title="anti-tamper">anti-tamper</a>, <a href="https://publications.waset.org/abstracts/search?q=hardware" title=" hardware"> hardware</a>, <a href="https://publications.waset.org/abstracts/search?q=machine%20learning" title=" machine learning"> machine learning</a>, <a href="https://publications.waset.org/abstracts/search?q=physical%20security" title=" physical security"> physical security</a>, <a href="https://publications.waset.org/abstracts/search?q=embedded%20devices" title=" embedded devices"> embedded devices</a>, <a href="https://publications.waset.org/abstracts/search?q=ioT" title=" ioT"> ioT</a> </p> <a href="https://publications.waset.org/abstracts/143935/on-the-use-of-machine-learning-for-tamper-detection" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/143935.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">153</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">16878</span> The Modality of Multivariate Skew Normal Mixture</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Bader%20Alruwaili">Bader Alruwaili</a>, <a href="https://publications.waset.org/abstracts/search?q=Surajit%20Ray"> Surajit Ray</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Finite mixtures are a flexible and powerful tool that can be used for univariate and multivariate distributions, and a wide range of research analysis has been conducted based on the multivariate normal mixture and multivariate of a t-mixture. Determining the number of modes is an important activity that, in turn, allows one to determine the number of homogeneous groups in a population. Our work currently being carried out relates to the study of the modality of the skew normal distribution in the univariate and multivariate cases. For the skew normal distribution, the aims are associated with studying the modality of the skew normal distribution and providing the ridgeline, the ridgeline elevation function, the $\Pi$ function, and the curvature function, and this will be conducive to an exploration of the number and location of mode when mixing the two components of skew normal distribution. The subsequent objective is to apply these results to the application of real world data sets, such as flow cytometry data. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mode" title="mode">mode</a>, <a href="https://publications.waset.org/abstracts/search?q=modality" title=" modality"> modality</a>, <a href="https://publications.waset.org/abstracts/search?q=multivariate%20skew%20normal" title=" multivariate skew normal"> multivariate skew normal</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20mixture" title=" finite mixture"> finite mixture</a>, <a href="https://publications.waset.org/abstracts/search?q=number%20of%20mode" title=" number of mode"> number of mode</a> </p> <a href="https://publications.waset.org/abstracts/68912/the-modality-of-multivariate-skew-normal-mixture" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/68912.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">488</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">16877</span> Operating Speed Models on Tangent Sections of Two-Lane Rural Roads</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Dra%C5%BEen%20Cvitani%C4%87">Dražen Cvitanić</a>, <a href="https://publications.waset.org/abstracts/search?q=Biljana%20Maljkovi%C4%87"> Biljana Maljković</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents models for predicting operating speeds on tangent sections of two-lane rural roads developed on continuous speed data. The data corresponds to 20 drivers of different ages and driving experiences, driving their own cars along an 18 km long section of a state road. The data were first used for determination of maximum operating speeds on tangents and their comparison with speeds in the middle of tangents i.e. speed data used in most of operating speed studies. Analysis of continuous speed data indicated that the spot speed data are not reliable indicators of relevant speeds. After that, operating speed models for tangent sections were developed. There was no significant difference between models developed using speed data in the middle of tangent sections and models developed using maximum operating speeds on tangent sections. All developed models have higher coefficient of determination then models developed on spot speed data. Thus, it can be concluded that the method of measuring has more significant impact on the quality of operating speed model than the location of measurement. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=operating%20speed" title="operating speed">operating speed</a>, <a href="https://publications.waset.org/abstracts/search?q=continuous%20speed%20data" title=" continuous speed data"> continuous speed data</a>, <a href="https://publications.waset.org/abstracts/search?q=tangent%20sections" title=" tangent sections"> tangent sections</a>, <a href="https://publications.waset.org/abstracts/search?q=spot%20speed" title=" spot speed"> spot speed</a>, <a href="https://publications.waset.org/abstracts/search?q=consistency" title=" consistency"> consistency</a> </p> <a href="https://publications.waset.org/abstracts/31508/operating-speed-models-on-tangent-sections-of-two-lane-rural-roads" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31508.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">452</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">16876</span> Assessing Effects of an Intervention on Bottle-Weaning and Reducing Daily Milk Intake from Bottles in Toddlers Using Two-Part Random Effects Models</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Yungtai%20Lo">Yungtai Lo</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Two-part random effects models have been used to fit semi-continuous longitudinal data where the response variable has a point mass at 0 and a continuous right-skewed distribution for positive values. We review methods proposed in the literature for analyzing data with excess zeros. A two-part logit-log-normal random effects model, a two-part logit-truncated normal random effects model, a two-part logit-gamma random effects model, and a two-part logit-skew normal random effects model were used to examine effects of a bottle-weaning intervention on reducing bottle use and daily milk intake from bottles in toddlers aged 11 to 13 months in a randomized controlled trial. We show in all four two-part models that the intervention promoted bottle-weaning and reduced daily milk intake from bottles in toddlers drinking from a bottle. We also show that there are no differences in model fit using either the logit link function or the probit link function for modeling the probability of bottle-weaning in all four models. Furthermore, prediction accuracy of the logit or probit link function is not sensitive to the distribution assumption on daily milk intake from bottles in toddlers not off bottles. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=two-part%20model" title="two-part model">two-part model</a>, <a href="https://publications.waset.org/abstracts/search?q=semi-continuous%20variable" title=" semi-continuous variable"> semi-continuous variable</a>, <a href="https://publications.waset.org/abstracts/search?q=truncated%20normal" title=" truncated normal"> truncated normal</a>, <a href="https://publications.waset.org/abstracts/search?q=gamma%20regression" title=" gamma regression"> gamma regression</a>, <a href="https://publications.waset.org/abstracts/search?q=skew%20normal" title=" skew normal"> skew normal</a>, <a href="https://publications.waset.org/abstracts/search?q=Pearson%20residual" title=" Pearson residual"> Pearson residual</a>, <a href="https://publications.waset.org/abstracts/search?q=receiver%20operating%20characteristic%20curve" title=" receiver operating characteristic curve"> receiver operating characteristic curve</a> </p> <a href="https://publications.waset.org/abstracts/46920/assessing-effects-of-an-intervention-on-bottle-weaning-and-reducing-daily-milk-intake-from-bottles-in-toddlers-using-two-part-random-effects-models" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/46920.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">349</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">16875</span> CFD Study for Normal and Rifled Tube with a Convergence Check</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sharfi%20Dirar">Sharfi Dirar</a>, <a href="https://publications.waset.org/abstracts/search?q=Shihab%20Elhaj"> Shihab Elhaj</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmed%20El%20Fatih"> Ahmed El Fatih</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Computational fluid dynamics were used to simulate and study the heated water boiler tube for both normal and rifled tube with a refinement of the mesh to check the convergence. The operation condition was taken from GARRI power station and used in a boundary condition accordingly. The result indicates the rifled tube has higher heat transfer efficiency than the normal tube. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=boiler%20tube" title="boiler tube">boiler tube</a>, <a href="https://publications.waset.org/abstracts/search?q=convergence%20check" title=" convergence check"> convergence check</a>, <a href="https://publications.waset.org/abstracts/search?q=normal%20tube" title=" normal tube"> normal tube</a>, <a href="https://publications.waset.org/abstracts/search?q=rifled%20tube" title=" rifled tube"> rifled tube</a> </p> <a href="https://publications.waset.org/abstracts/37253/cfd-study-for-normal-and-rifled-tube-with-a-convergence-check" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/37253.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">334</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">16874</span> Normal Weight Obesity among Female Students: BMI as a Non-Sufficient Tool for Obesity Assessment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Krzysztof%20Plesiewicz">Krzysztof Plesiewicz</a>, <a href="https://publications.waset.org/abstracts/search?q=Izabela%20Plesiewicz"> Izabela Plesiewicz</a>, <a href="https://publications.waset.org/abstracts/search?q=Krzysztof%20Chi%C5%BCy%C5%84ski"> Krzysztof Chiżyński</a>, <a href="https://publications.waset.org/abstracts/search?q=Marzenna%20Zieli%C5%84ska"> Marzenna Zielińska</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: Obesity is an independent risk factor for cardiovascular diseases. There are several anthropometric parameters proposed to estimate the level of obesity, but until now there is no agreement which one is the best predictor of cardiometabolic risk. Scientists defined metabolically obese normal weight, who suffer from metabolic abnormalities, the same as obese individuals, and defined this syndrome as normal weight obesity (NWO). Aim of the study: The aim of our study was to determine the occurrence of overweight and obesity in a cohort of young, adult women, using standard and complementary methods of obesity assessment and to indicate those, who are at risk of obesity. The second aim of our study was to test additional methods of obesity assessment and proof that body mass index using alone is not sufficient parameter of obesity assessment. Materials and methods: 384 young women, aged 18-32, were enrolled into the study. Standard anthropometric parameters (waist to hips ratio (WTH), waist to height ratio (WTHR)) and two other methods of body fat percentage measurement (BFPM) were used in the study: electrical bioimpendance analysis (BIA) and skinfold measurement test by digital fat body mass clipper (SFM). Results: In the study group 5% and 7% of participants had waist to hips ratio and accordingly waist to height ratio values connected with visceral obesity. According to BMI 14% participants were overweight and obese. Using additional methods of body fat assessment, there were 54% and 43% of obese for BIA and SMF method. In the group of participants with normal BMI and underweight (not overweight, n =340) there were individuals with the level of BFPM above the upper limit, for the BIA 49% (n =164) and for the SFM 36 % (n=125). Statistical analysis revealed strong correlation between BIA and SFM methods. Conclusion: BMI using alone is not a sufficient parameter of obesity assessment. High percentage of young women with normal BMI values seem to be normal weight obese. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=electrical%20bioimpedance" title="electrical bioimpedance">electrical bioimpedance</a>, <a href="https://publications.waset.org/abstracts/search?q=normal%20weight%20obesity" title=" normal weight obesity"> normal weight obesity</a>, <a href="https://publications.waset.org/abstracts/search?q=skin-fold%20measurement%20test" title=" skin-fold measurement test"> skin-fold measurement test</a>, <a href="https://publications.waset.org/abstracts/search?q=women" title=" women"> women</a> </p> <a href="https://publications.waset.org/abstracts/48496/normal-weight-obesity-among-female-students-bmi-as-a-non-sufficient-tool-for-obesity-assessment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/48496.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">274</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">16873</span> Prevalence of Diabetes Mellitus Type 2 Risk Factors among Nurses in Mongolia </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=V.%20Davaakhuu">V. Davaakhuu</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Tserendagva"> D. Tserendagva</a>, <a href="https://publications.waset.org/abstracts/search?q=D.%20Amarsaikhan"> D. Amarsaikhan</a>, <a href="https://publications.waset.org/abstracts/search?q=T.%20Altanstetseg"> T. Altanstetseg </a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study we aimed to detect main risk factors for diabetes in Mongolia and obtain data we used survey modified questionnaire. Survey data were obtained from 634 valid nurses (day work nurses-317, shift work nurses-317). Participants who were pregnant, less than 20 years old and no check for fasting glucose level were excluded from the survey in order to determine the risk factors of diabetes. Our study result shows the main risk factors of diabetes were physical inactivity, overweight and obesity, alcohol and tobacco use and lack of vegetable and fruit consumption. Peripheral blood glucose level was normal in subjects with BMI 26.28 ± 0.56, but 20 % of the subjects with normal blood glucose level were obese. Blood glucose level was higher in subjects with BMI 28.63 ± 2.32 and 36 % of them were obese. According to our study results, 3.62% of the surveyed population were identified having no diabetes risk factors, 52.3% were at risk, 28.8% were in higher risk for diabetes by the WHO criteria. In general, the prevalence of blood glucose were especially higher in shift work nurses. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=day%20work%20nurses" title="day work nurses">day work nurses</a>, <a href="https://publications.waset.org/abstracts/search?q=shift%20work%20nurses" title=" shift work nurses"> shift work nurses</a>, <a href="https://publications.waset.org/abstracts/search?q=BMI" title=" BMI"> BMI</a>, <a href="https://publications.waset.org/abstracts/search?q=WHR" title=" WHR"> WHR</a> </p> <a href="https://publications.waset.org/abstracts/25295/prevalence-of-diabetes-mellitus-type-2-risk-factors-among-nurses-in-mongolia" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25295.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">593</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">16872</span> Study of the Behavior and Similarities of Flow and Level Transmitters in the Industries</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Valentina%20Alessandra%20Carvalho%20do%20Vale">Valentina Alessandra Carvalho do Vale</a>, <a href="https://publications.waset.org/abstracts/search?q=Elmo%20Thiago%20Lins%20C%C3%B6uras%20Ford"> Elmo Thiago Lins Cöuras Ford</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In view of the requirements of the current industrial processes, the instrumentation plays a critical role. In this context, this work aims to raise some the operating characteristics of the level and flow transmitters, in addition to observing their similarities and possible limitations for certain configurations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=flow" title="flow">flow</a>, <a href="https://publications.waset.org/abstracts/search?q=level" title=" level"> level</a>, <a href="https://publications.waset.org/abstracts/search?q=instrumentation" title=" instrumentation"> instrumentation</a>, <a href="https://publications.waset.org/abstracts/search?q=configurations%20of%20meters" title=" configurations of meters"> configurations of meters</a>, <a href="https://publications.waset.org/abstracts/search?q=method%20of%20choice%20of%20the%20meters" title=" method of choice of the meters"> method of choice of the meters</a>, <a href="https://publications.waset.org/abstracts/search?q=instrumentation%20in%20the%20industrial%20processes" title=" instrumentation in the industrial processes"> instrumentation in the industrial processes</a> </p> <a href="https://publications.waset.org/abstracts/18381/study-of-the-behavior-and-similarities-of-flow-and-level-transmitters-in-the-industries" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18381.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">579</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">16871</span> Study on Security and Privacy Issues of Mobile Operating Systems Based on Malware Attacks</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Huang%20Dennis">Huang Dennis</a>, <a href="https://publications.waset.org/abstracts/search?q=Aurelio%20Aziel"> Aurelio Aziel</a>, <a href="https://publications.waset.org/abstracts/search?q=Burra%20Venkata%20Durga%20Kumar"> Burra Venkata Durga Kumar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nowadays, smartphones and mobile operating systems have been popularly widespread in our daily lives. As people use smartphones, they tend to store more private and essential data on their devices, because of this it is very important to develop more secure mobile operating systems and cloud storage to secure the data. However, several factors can cause security risks in mobile operating systems such as malware, malicious app, phishing attacks, ransomware, and more, all of which can cause a big problem for users as they can access the user's private data. Those problems can cause data loss, financial loss, identity theft, and other serious consequences. Other than that, during the pandemic, people will use their mobile devices more and do all sorts of transactions online, which may lead to more victims of online scams and inexperienced users being the target. With the increase in attacks, researchers have been actively working to develop several countermeasures to enhance the security of operating systems. This study aims to provide an overview of the security and privacy issues in mobile operating systems, identifying the potential risk of operating systems, and the possible solutions. By examining these issues, we want to provide an easy understanding to users and researchers to improve knowledge and develop more secure mobile operating systems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=mobile%20operating%20system" title="mobile operating system">mobile operating system</a>, <a href="https://publications.waset.org/abstracts/search?q=security" title=" security"> security</a>, <a href="https://publications.waset.org/abstracts/search?q=privacy" title=" privacy"> privacy</a>, <a href="https://publications.waset.org/abstracts/search?q=Malware" title=" Malware"> Malware</a> </p> <a href="https://publications.waset.org/abstracts/168876/study-on-security-and-privacy-issues-of-mobile-operating-systems-based-on-malware-attacks" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/168876.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">88</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">16870</span> Correlation between Body Mass Index and Blood Sugar/Serum Lipid Levels in Fourth-Grade Boys in Japan</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kotomi%20Yamashita">Kotomi Yamashita</a>, <a href="https://publications.waset.org/abstracts/search?q=Hiromi%20Kawasaki"> Hiromi Kawasaki</a>, <a href="https://publications.waset.org/abstracts/search?q=Satoko%20Yamasaki"> Satoko Yamasaki</a>, <a href="https://publications.waset.org/abstracts/search?q=Susumu%20Fukita"> Susumu Fukita</a>, <a href="https://publications.waset.org/abstracts/search?q=Risako%20Sakai"> Risako Sakai</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Lifestyle-related diseases develop from the long-term accumulation of health consequences from a poor lifestyle. Thus, schoolchildren, who have not accumulated long-term lifestyle habits, are believed to be at a lower risk for lifestyle-related diseases. However, schoolchildren rarely receive blood tests unless they are under treatment for a serious disease; without such data on their blood, the impacts of their young lifestyle could not be known. Blood data from physical measurements can help in the implementation of more effective health education. Therefore, we examined the correlation between body mass index (BMI) and blood sugar/serum lipid (BS/SL) levels. From 2014 to 2016, we measured the blood data of fourth-grade students living in a city in Japan. The present study reported on the results of 281 fourth-grade boys only (80.3% of total). We analyzed their BS/SL levels by comparing the blood data against the criteria of the National Center for Child Health and Development in Japan. Next, we examined the correlation between BMI and BS/SL levels. IBM SPSS Statistics for Windows, Version 25 was used for analysis. A total of 69 boys (24.6%) were within the normal range for BMI (18.5–24), whereas 193 (71.5%) and 8 boys (2.8%) had lower and higher BMI, respectively. Regarding BS levels, 280 boys were within the normal range (70–90 mg/dl); 1 boy reported a higher value. All the boys were within the normal range for glycated Hemoglobin (HbA1c) (4.6–6.2%). Regarding SL levels, 271 boys were within the normal range (125–230 mg/dl) for total cholesterol (TC), whereas 5 boys (1.8%) had lower and 5 boys (1.8%) had higher levels. A total of 243 boys (92.7%) were within the normal range (36-138mg/dL) for triglycerides (TG), whereas 19 boys (7.3%) had lower and 19 boys (7.3%) had higher levels. Regarding high-density lipoprotein cholesterol (HDL-C), 276 boys (98.2%) were within the normal range (40-mg/dl), whereas 5 boys (1.8%) reported lower values. All but one boy (280, 99.6%) were within the normal range (-170 mg/dl) for low-density lipoprotein cholesterol (LDL-C); the exception (0.4%) had a higher level. BMI and BS didn’t show a correlation. BMI and HbA1c were moderately positively correlated (r = 0.139, ｐ＝0.019). We also observed moderate positive correlations between BMI and TG (r = 0.328, p < 0.01), TC (r=0.239, p< 0.01), LDL-C (r = 0.324, p < 0.01), respectively. BMI and HDL-C were low correlated (r = -0.185, p = 0.002). Most of the boys were within the normal range for BS/SL levels. However, some boys exceeded the normal TG range. Fourth graders with a high TG may develop a lifestyle-related disease in the future. Given its relation to TG, food habits should be improved in this group. Our findings suggested a positive correlation between BMI and BS/SL levels. Fourth-grade schoolboys with a high BMI may be at high risk for developing lifestyle-related diseases. Lifestyle improvement may be recommended to lower the BS/SL levels in this group. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=blood%20sugar%20level" title="blood sugar level">blood sugar level</a>, <a href="https://publications.waset.org/abstracts/search?q=lifestyle-related%20diseases" title=" lifestyle-related diseases"> lifestyle-related diseases</a>, <a href="https://publications.waset.org/abstracts/search?q=school%20students" title=" school students"> school students</a>, <a href="https://publications.waset.org/abstracts/search?q=serum%20lipid%20level" title=" serum lipid level"> serum lipid level</a> </p> <a href="https://publications.waset.org/abstracts/133020/correlation-between-body-mass-index-and-blood-sugarserum-lipid-levels-in-fourth-grade-boys-in-japan" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/133020.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">16869</span> An Analytical Approach to Assess and Compare the Vulnerability Risk of Operating Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Pubudu%20K.%20Hitigala%20Kaluarachchilage">Pubudu K. Hitigala Kaluarachchilage</a>, <a href="https://publications.waset.org/abstracts/search?q=Champike%20Attanayake"> Champike Attanayake</a>, <a href="https://publications.waset.org/abstracts/search?q=Sasith%20Rajasooriya"> Sasith Rajasooriya</a>, <a href="https://publications.waset.org/abstracts/search?q=Chris%20P.%20Tsokos"> Chris P. Tsokos</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Operating system (OS) security is a key component of computer security. Assessing and improving OSs strength to resist against vulnerabilities and attacks is a mandatory requirement given the rate of new vulnerabilities discovered and attacks occurring. Frequency and the number of different kinds of vulnerabilities found in an OS can be considered an index of its information security level. In the present study five mostly used OSs, Microsoft Windows (windows 7, windows 8 and windows 10), Apple’s Mac and Linux are assessed for their discovered vulnerabilities and the risk associated with each. Each discovered and reported vulnerability has an exploitability score assigned in CVSS score of the national vulnerability database. In this study the risk from vulnerabilities in each of the five Operating Systems is compared. Risk Indexes used are developed based on the Markov model to evaluate the risk of each vulnerability. Statistical methodology and underlying mathematical approach is described. Initially, parametric procedures are conducted and measured. There were, however, violations of some statistical assumptions observed. Therefore the need for non-parametric approaches was recognized. 6838 vulnerabilities recorded were considered in the analysis. According to the risk associated with all the vulnerabilities considered, it was found that there is a statistically significant difference among average risk levels for some operating systems, indicating that according to our method some operating systems have been more risk vulnerable than others given the assumptions and limitations. Relevant test results revealing a statistically significant difference in the Risk levels of different OSs are presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cybersecurity" title="cybersecurity">cybersecurity</a>, <a href="https://publications.waset.org/abstracts/search?q=Markov%20chain" title=" Markov chain"> Markov chain</a>, <a href="https://publications.waset.org/abstracts/search?q=non-parametric%20analysis" title=" non-parametric analysis"> non-parametric analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=vulnerability" title=" vulnerability"> vulnerability</a>, <a href="https://publications.waset.org/abstracts/search?q=operating%20system" title=" operating system"> operating system</a> </p> <a href="https://publications.waset.org/abstracts/141343/an-analytical-approach-to-assess-and-compare-the-vulnerability-risk-of-operating-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/141343.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">183</span> </span> </div> </div> <ul class="pagination"> <li class="page-item disabled"><span class="page-link">&lsaquo;</span></li> <li class="page-item active"><span class="page-link">1</span></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=normal%20operating%20level&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=normal%20operating%20level&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=normal%20operating%20level&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=normal%20operating%20level&page=5">5</a></li> 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