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Pourjafarabadi</title> <meta name="description" content="Search results for: Reza Pourjafarabadi"> <meta name="keywords" content="Reza Pourjafarabadi"> <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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title="Disciplines">Disciplines</a> </li> <li class="nav-item"> <a class="nav-link" href="https://waset.org/committees" rel="nofollow">Committees</a> </li> <li class="nav-item dropdown"> <a class="nav-link dropdown-toggle" href="#" id="navbarDropdownPublications" role="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="false"> Publications </a> <div class="dropdown-menu" aria-labelledby="navbarDropdownPublications"> <a class="dropdown-item" href="https://publications.waset.org/abstracts">Abstracts</a> <a class="dropdown-item" href="https://publications.waset.org">Periodicals</a> <a class="dropdown-item" href="https://publications.waset.org/archive">Archive</a> </div> </li> <li class="nav-item"> <a class="nav-link" href="https://waset.org/page/support" title="Support">Support</a> </li> </ul> </div> </div> </nav> </div> </header> <main> <div class="container mt-4"> <div class="row"> <div class="col-md-9 mx-auto"> <form method="get" 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="Reza Pourjafarabadi"> <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> 522</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Reza Pourjafarabadi</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">522</span> Providing a Practical Model to Reduce Maintenance Costs: A Case Study in GeG Company</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Iman%20Atighi">Iman Atighi</a>, <a href="https://publications.waset.org/abstracts/search?q=Jalal%20Soleimannejad"> Jalal Soleimannejad</a>, <a href="https://publications.waset.org/abstracts/search?q=Reza%20Pourjafarabadi"> Reza Pourjafarabadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Saeid%20Moradpour"> Saeid Moradpour</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the past, we could increase profit by increasing product prices. But in the new decade, a competitive market does not let us to increase profit with increased prices. Therefore, the only way to increase profit will be to reduce costs. A significant percentage of production costs are the maintenance costs, and analysis of these costs could achieve more profit. Most maintenance strategies such as RCM (Reliability-Center-Maintenance), TPM (Total Productivity Maintenance), PM (Preventive Maintenance) and etc., are trying to reduce maintenance costs. In this paper, decreasing the maintenance costs of Concentration Plant of Golgohar Iron Ore Mining & Industrial Company (GeG) was examined by using of MTBF (Mean Time Between Failures) and MTTR (Mean Time To Repair) analyses. These analyses showed that instead of buying new machines and increasing costs in order to promote capacity, the improving of MTBF and MTTR indexes would solve capacity problems in the best way and decrease costs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=GeG%20company" title="GeG company">GeG company</a>, <a href="https://publications.waset.org/abstracts/search?q=maintainability" title=" maintainability"> maintainability</a>, <a href="https://publications.waset.org/abstracts/search?q=maintenance%20costs" title=" maintenance costs"> maintenance costs</a>, <a href="https://publications.waset.org/abstracts/search?q=reliability-center-maintenance" title=" reliability-center-maintenance"> reliability-center-maintenance</a> </p> <a href="https://publications.waset.org/abstracts/84313/providing-a-practical-model-to-reduce-maintenance-costs-a-case-study-in-geg-company" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/84313.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">521</span> Neural Adaptive Controller for a Class of Nonlinear Pendulum Dynamical System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Reza%20Rahimi%20Khoygani">Mohammad Reza Rahimi Khoygani</a>, <a href="https://publications.waset.org/abstracts/search?q=Reza%20Ghasemi"> Reza Ghasemi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, designing direct adaptive neural controller is applied for a class of a nonlinear pendulum dynamic system. The radial basis function (RBF) is used for the Neural network (NN). The adaptive neural controller is robust in presence of external and internal uncertainties. Both the effectiveness of the controller and robustness against disturbances are the merits of this paper. The promising performance of the proposed controllers investigates in simulation results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=adaptive%20control" title="adaptive control">adaptive control</a>, <a href="https://publications.waset.org/abstracts/search?q=pendulum%20dynamical%20system" title=" pendulum dynamical system"> pendulum dynamical system</a>, <a href="https://publications.waset.org/abstracts/search?q=nonlinear%20control" title=" nonlinear control"> nonlinear control</a>, <a href="https://publications.waset.org/abstracts/search?q=adaptive%20neural%20controller" title=" adaptive neural controller"> adaptive neural controller</a>, <a href="https://publications.waset.org/abstracts/search?q=nonlinear%20dynamical" title=" nonlinear dynamical"> nonlinear dynamical</a>, <a href="https://publications.waset.org/abstracts/search?q=neural%20network" title=" neural network"> neural network</a>, <a href="https://publications.waset.org/abstracts/search?q=RBF" title=" RBF"> RBF</a>, <a href="https://publications.waset.org/abstracts/search?q=driven%20pendulum" title=" driven pendulum"> driven pendulum</a>, <a href="https://publications.waset.org/abstracts/search?q=position%20control" title=" position control "> position control </a> </p> <a href="https://publications.waset.org/abstracts/13649/neural-adaptive-controller-for-a-class-of-nonlinear-pendulum-dynamical-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13649.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">672</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">520</span> A Situational Awareness Map for Allocating Relief Resources after Earthquake Occurrence</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hamid%20Reza%20Ranjbar">Hamid Reza Ranjbar</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Reza%20Azmoude%20Ardalan"> Ali Reza Azmoude Ardalan</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamid%20%20Dehghani"> Hamid Dehghani</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Reza%20Sarajian"> Mohammad Reza Sarajian</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Natural disasters are unexpected events which predicting them is difficult. Earthquake is one of the most devastating disasters among natural hazards with high rate of mortality and wide extent of damages. After the earthquake occurrence, managing the critical condition and allocating limited relief sources requiring a complete awareness of damaged area. The information for allocating relief teams should be precise and reliable as much as possible, and be presented in the appropriate time after the earthquake occurrence. This type of information was previously presented in the form of a damage map; conducting relief teams by using damage map mostly lead to waste of time for finding alive occupants under the rubble. In this research, a proposed standard for prioritizing damaged buildings in terms of requiring rescue and relief was presented. This standard prioritizes damaged buildings into four levels of priority including very high, high, moderate and low by considering key parameters such as type of land use, activity time, and inactivity time of each land use, time of earthquake occurrence and distinct index. The priority map by using the proposed standard could be a basis for guiding relief teams towards the areas with high relief priority. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Damage%20map" title="Damage map">Damage map</a>, <a href="https://publications.waset.org/abstracts/search?q=GIS" title=" GIS"> GIS</a>, <a href="https://publications.waset.org/abstracts/search?q=priority%20map" title=" priority map"> priority map</a>, <a href="https://publications.waset.org/abstracts/search?q=USAR" title=" USAR"> USAR</a> </p> <a href="https://publications.waset.org/abstracts/61827/a-situational-awareness-map-for-allocating-relief-resources-after-earthquake-occurrence" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61827.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">406</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">519</span> Rethinking of Self-Monitoring and Self-Response Roles in Teaching Grammar Knowledge to Iranian EFL Learners</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gholam%20Reza%20Parvizi">Gholam Reza Parvizi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Reza%20Kargar"> Ali Reza Kargar</a>, <a href="https://publications.waset.org/abstracts/search?q=Amir%20Arani"> Amir Arani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In the present days, learning and teaching researchers have emphasized the role which teachers, tutors, and trainers’ constraint knowledge treat in resizing and trimming what they perform in educational atmosphere. Regarding English language as subject to teaching, although the prominence of instructor’s knowledge about grammar has also been stressed, but the lack of empirical insights into the relationship between teacher’ self-monitoring and self-response of grammar knowledge have been observed. With particular attention to the grammar this article indicates and discusses information obtained self- feedback and conversing teachers of a kind who backwash the issue. The result of the study indicates that enabling teachers to progress and maintain a logical and realistic awareness of their knowledge about grammar have to be prominent goal for teachers’ education and development programs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=grammar%20knowledge" title="grammar knowledge">grammar knowledge</a>, <a href="https://publications.waset.org/abstracts/search?q=self-monitoring" title=" self-monitoring"> self-monitoring</a>, <a href="https://publications.waset.org/abstracts/search?q=self-response" title=" self-response"> self-response</a>, <a href="https://publications.waset.org/abstracts/search?q=teaching%20grammar" title=" teaching grammar"> teaching grammar</a>, <a href="https://publications.waset.org/abstracts/search?q=language%20teaching%20program" title=" language teaching program"> language teaching program</a> </p> <a href="https://publications.waset.org/abstracts/59477/rethinking-of-self-monitoring-and-self-response-roles-in-teaching-grammar-knowledge-to-iranian-efl-learners" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59477.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">563</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">518</span> Microwave Absorption Properties of Low Density Polyethelene-Cobalt Ferrite Nanocomposite</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Reza%20Fazaeli">Reza Fazaeli</a>, <a href="https://publications.waset.org/abstracts/search?q=Reza%20Eslami-Farsani"> Reza Eslami-Farsani</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamid%20Targhagh"> Hamid Targhagh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Low density polyethylene (LDPE) nanocomposites with 3, 5 and 7 wt. % cobalt ferrite (CoFe2O4) nanopowder fabricated with extrusion mixing and followed up by hot press to reach compact samples. The transmission/reflection measurements were carried out with a network analyzer in the frequency range of 8-12 GHz. By increasing the percent of CoFe2O4 nanopowder, reflection loss (S11) increases, while transferring loss (S21) decreases. Reflectivity (R) calculations made using S11 and S21. Increase in percent of CoFe2O4 nanopowder up to 7 wt. % in composite leaded to higher reflectivity amount, and revealed that increasing the percent of CoFe2O4 nanopowder up to 7 wt. % leads to further microwave absorption in 8-12 GHz range. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=nanocomposite" title="nanocomposite">nanocomposite</a>, <a href="https://publications.waset.org/abstracts/search?q=cobalt%20ferrite" title=" cobalt ferrite"> cobalt ferrite</a>, <a href="https://publications.waset.org/abstracts/search?q=low%20density%20polyethylene" title=" low density polyethylene"> low density polyethylene</a>, <a href="https://publications.waset.org/abstracts/search?q=microwave%20absorption" title=" microwave absorption"> microwave absorption</a> </p> <a href="https://publications.waset.org/abstracts/39612/microwave-absorption-properties-of-low-density-polyethelene-cobalt-ferrite-nanocomposite" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/39612.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">285</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">517</span> Political Cinema: Rewriting The Malaysian Political History Through Documentary Films </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Raja%20Rodziah%20Binti%20Raja%20Zainal%20Hassan">Raja Rodziah Binti Raja Zainal Hassan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The development of Malaysian political cinema is rapidly taking shape in the local film industry. The paper focuses on the production of independent political documentary by two Malaysian filmmakers, Amir Muhammad and Fahmi Reza. Revolutionary cinema can be understood by utilizing the Third Cinema Theory in order to analyse the meaning and its impact on the audience. The issue surrounding the political cinema in Malaysia is the question of national identity. The implementation of racial or ethnic based politics has resulted in hostility within Malaysia’s multiracial society. Amir Muhammad and Fahmi Reza revisit the Malaysian political history through their films in order to understand the reasons behind the hostility and conflict. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Political%20cinema" title="Political cinema">Political cinema</a>, <a href="https://publications.waset.org/abstracts/search?q=third%20cinema%20theory" title=" third cinema theory"> third cinema theory</a>, <a href="https://publications.waset.org/abstracts/search?q=revolutionary%20cinema" title=" revolutionary cinema"> revolutionary cinema</a>, <a href="https://publications.waset.org/abstracts/search?q=national%20identity" title=" national identity"> national identity</a>, <a href="https://publications.waset.org/abstracts/search?q=racial%20or%20ethnic%20politics" title=" racial or ethnic politics"> racial or ethnic politics</a> </p> <a href="https://publications.waset.org/abstracts/2388/political-cinema-rewriting-the-malaysian-political-history-through-documentary-films" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/2388.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">435</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">516</span> Postoperative Pain Management: Efficacy of Caudal Tramadol in Pediatric Lower Abdominal Surgery: A Randomized Clinical Study</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Reza%20Farahmand%20Rad">Reza Farahmand Rad</a>, <a href="https://publications.waset.org/abstracts/search?q=Farnad%20Imani"> Farnad Imani</a>, <a href="https://publications.waset.org/abstracts/search?q=Azadeh%20Emami"> Azadeh Emami</a>, <a href="https://publications.waset.org/abstracts/search?q=Reza%20Salehi"> Reza Salehi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Reza%20Ghavamy"> Ali Reza Ghavamy</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Nima%20Shariat"> Ali Nima Shariat</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Background: One of the methods of pain control after pediatric surgical procedures is regional techniques, including caudal block, despite their limitations. Objectives: In this study, the pain score and complications of caudal tramadol were evaluated in pediatrics following lower abdom- inal surgery. Methods: In this study, 46 children aged 3 to 10 years were allocated into two equal groups (R and TR) for performing caudal anal- gesia after lower abdominal surgery. The injectate contained 0.2% ropivacaine 1 mL/kg in the R group (control group) and tramadol (2 mg/kg) and ropivacaine in the TR group. The pain score, duration of pain relief, amount of paracetamol consumption, hemody- namic alterations, and possible complications at specific times (1, 2, and 6 hours) were evaluated in both groups. Results: No considerable difference was observed in the pain score between the groups in the first and second hours (P > 0.05). However, in the sixth hour, the TR group had a significantly lower pain score than the R group (P < 0.05). Compared to the R group, the TR group had a longer period of analgesia and lower consumption of analgesic drugs (P < 0.05). Heart rate and blood pressure differences were not significant between the two groups (P > 0.05). Similarly, the duration of operation and recovery time were not remarkably different between the two groups (P > 0.05). Complications had no apparent differences between these two groups, as well (P > 0.05). Conclusions: In this study, the addition of tramadol to caudal ropivacaine in pediatric lower abdominal surgery promoted pain relief without complications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=tramadol" title="tramadol">tramadol</a>, <a href="https://publications.waset.org/abstracts/search?q=ropivacaine" title=" ropivacaine"> ropivacaine</a>, <a href="https://publications.waset.org/abstracts/search?q=caudal%20block" title=" caudal block"> caudal block</a>, <a href="https://publications.waset.org/abstracts/search?q=pediatric" title=" pediatric"> pediatric</a>, <a href="https://publications.waset.org/abstracts/search?q=lower%20abdominal%20surgery" title=" lower abdominal surgery"> lower abdominal surgery</a>, <a href="https://publications.waset.org/abstracts/search?q=postoperative%20pain" title=" postoperative pain"> postoperative pain</a> </p> <a href="https://publications.waset.org/abstracts/184884/postoperative-pain-management-efficacy-of-caudal-tramadol-in-pediatric-lower-abdominal-surgery-a-randomized-clinical-study" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/184884.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">15</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">515</span> Simulation and Modeling of High Voltage Pulse Transformer</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zahra%20Emami">Zahra Emami</a>, <a href="https://publications.waset.org/abstracts/search?q=H.%20Reza%20Mesgarzade"> H. Reza Mesgarzade</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Morad%20Ghorbami"> A. Morad Ghorbami</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Reza%20Motahari"> S. Reza Motahari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper presents a method for calculation of parasitic elements consisting of leakage inductance and parasitic capacitance in a high voltage pulse transformer. The parasitic elements of pulse transformers significantly influence the resulting pulse shape of a power modulator system. In order to prevent the effects on the pulse shape before constructing the transformer an electrical model is needed. The technique procedures for computing these elements are based on finite element analysis. The finite element model of pulse transformer is created using software "Ansys Maxwell 3D". Finally, the transformer parasitic elements is calculated and compared with the value obtained from the actual test and pulse modulator is simulated and results is compared with actual test of pulse modulator. The results obtained are very similar with the test values. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pulse%20transformer" title="pulse transformer">pulse transformer</a>, <a href="https://publications.waset.org/abstracts/search?q=simulation" title=" simulation"> simulation</a>, <a href="https://publications.waset.org/abstracts/search?q=modeling" title=" modeling"> modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=Maxwell%203D" title=" Maxwell 3D"> Maxwell 3D</a>, <a href="https://publications.waset.org/abstracts/search?q=modulator" title=" modulator"> modulator</a> </p> <a href="https://publications.waset.org/abstracts/12530/simulation-and-modeling-of-high-voltage-pulse-transformer" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/12530.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">514</span> Stability and Performance Improvement of a Two-Degree-of-Freedom Robot under Interaction Using the Impedance Control</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seyed%20Reza%20Mirdehghan">Seyed Reza Mirdehghan</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Reza%20Haeri%20Yazdi"> Mohammad Reza Haeri Yazdi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, the stability and the performance of a two-degree-of-freedom robot under an interaction with a unknown environment has been investigated. The time when the robot returns to its initial position after an interaction and the primary resistance of the robot against the impact must be reduced. Thus, the applied torque on the motor will be reduced. The impedance control is an appropriate method for robot control in these conditions. The stability of the robot at interaction moment was transformed to be a robust stability problem. The dynamic of the unknown environment was modeled as a weight function and the stability of the robot under an interaction with the environment has been investigated using the robust control concept. To improve the performance of the system, a force controller has been designed which the normalized impedance after interaction has been reduced. The resistance of the robot has been considered as a normalized cost function and its value was 0.593. The results has showed reduction of resistance of the robot against impact and the reduction of convergence time by lower than one second. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=impedance%20control" title="impedance control">impedance control</a>, <a href="https://publications.waset.org/abstracts/search?q=control%20system" title=" control system"> control system</a>, <a href="https://publications.waset.org/abstracts/search?q=robots" title=" robots"> robots</a>, <a href="https://publications.waset.org/abstracts/search?q=interaction" title=" interaction"> interaction</a> </p> <a href="https://publications.waset.org/abstracts/15189/stability-and-performance-improvement-of-a-two-degree-of-freedom-robot-under-interaction-using-the-impedance-control" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15189.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">431</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">513</span> Physical and Mechanical Phenomena Associated with Rock Failure in Brazilian Disc Specimens</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hamid%20Reza%20Nejati">Hamid Reza Nejati</a>, <a href="https://publications.waset.org/abstracts/search?q=Amin%20Nazerigivi"> Amin Nazerigivi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ahmad%20Reza%20Sayadi"> Ahmad Reza Sayadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Failure mechanism of rocks is one of the fundamental aspects to study rock engineering stability. Rock is a material that contains flaws, initial damage, micro-cracks, etc. Failure of rock structure is largely due to tensile stress and was influenced by various parameters. In the present study, the effect of brittleness and loading rate on the physical and mechanical phenomena produced in rock during loading sequences is considered. For this purpose, Acoustic Emission (AE) technique is used to monitor fracturing process of three rock types (onyx marble, sandstone and soft limestone) with different brittleness and sandstone samples under different loading rate. The results of experimental tests revealed that brittleness and loading rate have a significant effect on the mode and number of induced fracture in rocks. An increase in rock brittleness increases the frequency of induced cracks, and the number of tensile fracture decreases when loading rate increases. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=brittleness" title="brittleness">brittleness</a>, <a href="https://publications.waset.org/abstracts/search?q=loading%20rate" title=" loading rate"> loading rate</a>, <a href="https://publications.waset.org/abstracts/search?q=acoustic%20emission" title=" acoustic emission"> acoustic emission</a>, <a href="https://publications.waset.org/abstracts/search?q=tensile%20fracture" title=" tensile fracture"> tensile fracture</a>, <a href="https://publications.waset.org/abstracts/search?q=shear%20fracture" title=" shear fracture"> shear fracture</a> </p> <a href="https://publications.waset.org/abstracts/74760/physical-and-mechanical-phenomena-associated-with-rock-failure-in-brazilian-disc-specimens" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/74760.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">480</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">512</span> Starting the Hospitalization Procedure with a Medicine Combination in the Cardiovascular Department of the Imam Reza (AS) Mashhad Hospital</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maryamsadat%20Habibi">Maryamsadat Habibi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Objective: pharmaceutical errors are avoidable occurrences that can result in inappropriate pharmaceutical use, patient harm, treatment failure, increased hospital costs and length of stay, and other outcomes that affect both the individual receiving treatment and the healthcare provider. This study aimed to perform a reconciliation of medications in the cardiovascular ward of Imam Reza Hospital in Mashhad, Iran, and evaluate the prevalence of medication discrepancies between the best medication list created for the patient by the pharmacist and the medication order of the treating physician there. Materials & Methods: The 97 patients in the cardiovascular ward of the Imam Reza Hospital in Mashhad were the subject of a cross-sectional study from June to September of 2021. After giving their informed consent and being admitted to the ward, all patients with at least one underlying condition and at least two medications being taken at home were included in the study. A medical reconciliation form was used to record patient demographics and medical histories during the first 24 hours of admission, and the information was contrasted with the doctors' orders. The doctor then discovered medication inconsistencies between the two lists and double-checked them to separate the intentional from the accidental anomalies. Finally, using SPSS software version 22, it was determined how common medical discrepancies are and how different sorts of discrepancies relate to various variables. Results: The average age of the participants in this study was 57.6915.84 years, with 57.7% of men and 42.3% of women. 95.9% of the patients among these people encountered at least one medication discrepancy, and 58.9% of them suffered at least one unintentional drug cessation. Out of the 659 medications registered in the study, 399 cases (60.54%) had inconsistencies, of which 161 cases (40.35%) involved the intentional stopping of a medication, 123 cases (30.82%) involved the stopping of a medication unintentionally, and 115 cases (28.82%) involved the continued use of a medication by adjusting the dose. Additionally, the category of cardiovascular pharmaceuticals and the category of gastrointestinal medications were found to have the highest medical inconsistencies in the current study. Furthermore, there was no correlation between the frequency of medical discrepancies and the following variables: age, ward, date of visit, type, and number of underlying diseases (P=0.13), P=0.61, P=0.72, P=0.82, P=0.44, and so forth. On the other hand, there was a statistically significant correlation between the number of medications taken at home (P=0.037) and the prevalence of medical discrepancies with gender (P=0.029). The results of this study revealed that 96% of patients admitted to the cardiovascular unit at Imam Reza Hospital had at least one medication error, which was typically an intentional drug discontinuance. According to the study's findings, patients admitted to Imam Reza Hospital's cardiovascular ward have a great potential for identifying and correcting various medication discrepancies as well as for avoiding prescription errors when the medication reconciliation method is used. As a result, it is essential to carry out a precise assessment to achieve the best treatment outcomes and avoid unintended medication discontinuation, unwanted drug-related events, and drug interactions between the patient's home medications and those prescribed in the hospital. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=drug%20combination" title="drug combination">drug combination</a>, <a href="https://publications.waset.org/abstracts/search?q=drug%20side%20effects" title=" drug side effects"> drug side effects</a>, <a href="https://publications.waset.org/abstracts/search?q=drug%20incompatibility" title=" drug incompatibility"> drug incompatibility</a>, <a href="https://publications.waset.org/abstracts/search?q=cardiovascular%20department" title=" cardiovascular department"> cardiovascular department</a> </p> <a href="https://publications.waset.org/abstracts/169010/starting-the-hospitalization-procedure-with-a-medicine-combination-in-the-cardiovascular-department-of-the-imam-reza-as-mashhad-hospital" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/169010.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">93</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">511</span> Analytical Solution of Blassius Equation Using the Kourosh Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Reza%20Shahnazari">Mohammad Reza Shahnazari</a>, <a href="https://publications.waset.org/abstracts/search?q=Reza%20Kazemi"> Reza Kazemi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Saberi"> Ali Saberi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Most of the engineering problems are in nonlinear forms. Nonlinear boundary layer problems defined in infinite intervals contain specific complexities, especially in boundary layer condition conformance. As an example of these nonlinear complex problems, the well-known Blasius equation can be mentioned, which itself is one of the classic boundary layer problems. No analytical solution has been proposed yet for the Blasius equation due to its complexity. In this paper, an analytical method, namely the Kourosh method, based on the singularity perturbation method and the Liao homotopy analysis is utilized to solve the Blasius problem. In this method, an inner solution is developed in the [0,1] interval to expedite the solution convergence. The magnitude of the f ˝(0), as an essential quantity for determining the physical parameters, is directly calculated from the solution of the boundary condition problem. The advantages of this solution are that it does not need any numerical solution, it has a closed form and that its validation is shown in the entire [0,∞] interval. Furthermore, all of the desirable parameters could be extracted through a series of simple analytical operations from the final solution. This solution also satisfies the continuity conditions, which is one of the main contributions of this paper in comparison with most of the other proposed analytical solutions available in the literature. Comparison with numerical solutions reveals that the proposed method is highly accurate and convenient for application. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Blasius%20equation" title="Blasius equation">Blasius equation</a>, <a href="https://publications.waset.org/abstracts/search?q=boundary%20layer" title=" boundary layer"> boundary layer</a>, <a href="https://publications.waset.org/abstracts/search?q=Kourosh%20method" title=" Kourosh method"> Kourosh method</a>, <a href="https://publications.waset.org/abstracts/search?q=analytical%20solution" title=" analytical solution"> analytical solution</a> </p> <a href="https://publications.waset.org/abstracts/49142/analytical-solution-of-blassius-equation-using-the-kourosh-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/49142.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">394</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">510</span> The Pressure Distribution on the Rectangular and Trapezoidal Storage Tanks' Perimeters Due to Liquid Sloshing Impact</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hassan%20Saghi">Hassan Saghi</a>, <a href="https://publications.waset.org/abstracts/search?q=Gholam%20Reza%20Askarzadeh%20Garmroud"> Gholam Reza Askarzadeh Garmroud</a>, <a href="https://publications.waset.org/abstracts/search?q=Seyyed%20Ali%20Reza%20Emamian"> Seyyed Ali Reza Emamian</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Sloshing phenomenon is a complicated free surface flow problem that increases the dynamic pressure on the sidewalls and the bottom of the storage tanks. When the storage tanks are partially filled, it is essential to be able to evaluate the fluid dynamic loads on the tank’s perimeter. In this paper, a numerical code was developed to determine the pressure distribution on the rectangular and trapezoidal storage tanks’ perimeters due to liquid sloshing impact. Assuming the fluid to be inviscid, the Laplace equation and the nonlinear free surface boundary conditions are solved using coupled BEM-FEM. The code performance for sloshing modeling is validated against available data. Finally, this code is used for partially filled rectangular and trapezoidal storage tanks and the pressure distribution on the tanks’ perimeters due to liquid sloshing impact is estimated. The results show that the maximum pressure on the perimeter of the rectangular and trapezoidal storage tanks was decreased along the sidewalls from the top to the bottom. Furthermore, the period of the pressure distribution is different for different points on the tank’s perimeter and it is bigger in the trapezoidal tanks compared to the rectangular ones. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=pressure%20distribution" title="pressure distribution">pressure distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=liquid%20sloshing%20impact" title=" liquid sloshing impact"> liquid sloshing impact</a>, <a href="https://publications.waset.org/abstracts/search?q=sway%20motion" title=" sway motion"> sway motion</a>, <a href="https://publications.waset.org/abstracts/search?q=trapezoidal%20storage%20tank" title=" trapezoidal storage tank"> trapezoidal storage tank</a>, <a href="https://publications.waset.org/abstracts/search?q=coupled%20BEM-FEM" title=" coupled BEM-FEM"> coupled BEM-FEM</a> </p> <a href="https://publications.waset.org/abstracts/20717/the-pressure-distribution-on-the-rectangular-and-trapezoidal-storage-tanks-perimeters-due-to-liquid-sloshing-impact" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/20717.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">552</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">509</span> Measurement of Blood Phenobarbital Concentration Within Newborns Admitted to the NICU of Imam Reza Hospital and Received the Drug by Intravenous Mode</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmad%20Shah%20Farhat">Ahmad Shah Farhat</a>, <a href="https://publications.waset.org/abstracts/search?q=Anahita%20Alizadeh%20Qamsari"> Anahita Alizadeh Qamsari</a>, <a href="https://publications.waset.org/abstracts/search?q=Ashraf%20Mohammadzadeh"> Ashraf Mohammadzadeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamid%20Reza%20Goldouzian"> Hamid Reza Goldouzian</a>, <a href="https://publications.waset.org/abstracts/search?q=Ezat%20Khodashenas"> Ezat Khodashenas</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Newborns may be treated with phenobarbital for many reasons. Because in each region, depending on different races and genetic factors, different pharmacokinetic conditions govern the drug. It is essential to control blood levels of certain drugs, especially phenobarbital, and maintain these levels during treatment. Methods: In this study, venous blood was collected from 50 neonates who received intravenous phenobarbital at a loading dose of 20 mg/kg weight and at least three days had passed since the maintenance dose of 5 mg/kg body weight. in 24 hours. and sent to the laboratory. Phenobarbital blood levels were measured, then the results were analyzed descriptively. Results: In this study, the average weight of newborns was 9.93 ± 2.58. The mean blood concentration of phenobarbital, three days after starting the maintenance dose in the group of infants weighing more than 2.5 kg, was 3.33 ± 9.1 micrograms/liter in the group of infants weighing less than 2 kg. and half a kilogram or LBW was 5.9 ± 9.5 micrograms/liter and in the group weighing less than 1.5 kg VLBW was 14.4 ± 15.46 micrograms/liter. There was no significant difference between groups (p>0.05). Three days after starting the maintenance dose in all three groups, the mean blood phenobarbital concentration was 9.86 ± 0.86 micrograms/liter. Conclusion: Blood phenobarbital levels in our newborns are below therapeutic levels, so phenobarbital levels should be evaluated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=poisining" title="poisining">poisining</a>, <a href="https://publications.waset.org/abstracts/search?q=neonats" title=" neonats"> neonats</a>, <a href="https://publications.waset.org/abstracts/search?q=phenobarbital" title=" phenobarbital"> phenobarbital</a>, <a href="https://publications.waset.org/abstracts/search?q=drug" title=" drug"> drug</a> </p> <a href="https://publications.waset.org/abstracts/183552/measurement-of-blood-phenobarbital-concentration-within-newborns-admitted-to-the-nicu-of-imam-reza-hospital-and-received-the-drug-by-intravenous-mode" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/183552.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">65</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">508</span> Frequency of Oral Lesions in Newborns at Mashhad Imam Reza Hospital</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Javad%20Vaezi">Javad Vaezi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ashraf%20Mohammadzadeh"> Ashraf Mohammadzadeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Behjatalomoluk%20Ajami"> Behjatalomoluk Ajami</a>, <a href="https://publications.waset.org/abstracts/search?q=Azin%20Vaezi"> Azin Vaezi</a>, <a href="https://publications.waset.org/abstracts/search?q=Aradokht%20Vaezi"> Aradokht Vaezi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Neonatal period is the first developing phase after birth, followed by different developmental processes up to the age of puberty. A neonate may be born with different oral lesions. The aim of this study was to evaluate oral lesions in newborns at Mashhad Imam Reza Hospital, which belongs to Mashhad University of Medical Sciences. Materials and Methods: In this cross–sectional descriptive study, 600 newborns were observed during 2.5 months in 2001. The total oral cavity, including the soft palate, hard palate, tongue, alveolar ridge, and oral cavity floor, was examined with a tongue blade and light. Results: Results showed that 52.6% of newborns (316 cases) had oral lesions. 0.66% cases had natal and neonatal teeth, 0.5% cases had congenital epulis, 1.8% cases were with ankyloglossia, 41.5% cases with Epstein’s pearls, 22.3% cases with Bohn nodules and 0.16% case with exostosis. There were no cases of cleft lip or cleft palate. The most frequent oral lesion observed was Epstein’s pearls. Conclusion: Our study showed that the prevalence of natal teeth in the city of Mashhad was more than in other countries except for Bohn nodule and Epstein’s pearls, which occurred less frequently than in other countries. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=newborn" title="newborn">newborn</a>, <a href="https://publications.waset.org/abstracts/search?q=oral%20lesion" title=" oral lesion"> oral lesion</a>, <a href="https://publications.waset.org/abstracts/search?q=epidemiology" title=" epidemiology"> epidemiology</a>, <a href="https://publications.waset.org/abstracts/search?q=frequency" title=" frequency"> frequency</a> </p> <a href="https://publications.waset.org/abstracts/162001/frequency-of-oral-lesions-in-newborns-at-mashhad-imam-reza-hospital" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/162001.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">98</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">507</span> Memory and Myth in Future Cities Case Study: Walking to Imam Reza Holy Shrine of Mashhad, Iran</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Samaneh%20Eshraghi%20Ivaria">Samaneh Eshraghi Ivaria</a>, <a href="https://publications.waset.org/abstracts/search?q=Torkild%20Thellefsenb"> Torkild Thellefsenb</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The article discusses the significance of understanding the semiotics of future cities and recognizing the signs of cultural identity in contributing to the preservation of citizens' memories. The identities of citizens are conveyed through memories in urban planning, and with the rapid advancements in technology, cities are constantly changing. Therefore, preserving memories in the design of future cities is essential in maintaining a quality environment that reflects the citizens' identities. The article focuses on the semiotics of the movement pattern morphology in Mashhad city's historical area, using the historical interpretation method. The practice of walking to the shrine of Imam Reza as a religious building has been a historical and religious custom among Shiites from the past until now. By recognizing the signs that result from this religious and cultural approach on the morphology of the city, the aim of the research is to preserve the place of memories in future cities. Overall, the article highlights the importance of recognizing the cultural and historical significance of cities in designing future urban spaces. By doing so, it is possible to preserve the memories and identities of citizens, ensuring that the urban environment reflects the unique cultural heritage of a place. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=memories" title="memories">memories</a>, <a href="https://publications.waset.org/abstracts/search?q=future%20cities" title=" future cities"> future cities</a>, <a href="https://publications.waset.org/abstracts/search?q=movement%20pattern" title=" movement pattern"> movement pattern</a>, <a href="https://publications.waset.org/abstracts/search?q=mashhad" title=" mashhad"> mashhad</a>, <a href="https://publications.waset.org/abstracts/search?q=semiotics" title=" semiotics"> semiotics</a> </p> <a href="https://publications.waset.org/abstracts/165425/memory-and-myth-in-future-cities-case-study-walking-to-imam-reza-holy-shrine-of-mashhad-iran" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/165425.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">506</span> Detection of Important Biological Elements in Drug-Drug Interaction Occurrence</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Reza%20Ferdousi">Reza Ferdousi</a>, <a href="https://publications.waset.org/abstracts/search?q=Reza%20Safdari"> Reza Safdari</a>, <a href="https://publications.waset.org/abstracts/search?q=Yadollah%20Omidi"> Yadollah Omidi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Drug-drug interactions (DDIs) are main cause of the adverse drug reactions and nature of the functional and molecular complexity of drugs behavior in human body make them hard to prevent and treat. With the aid of new technologies derived from mathematical and computational science the DDIs problems can be addressed with minimum cost and efforts. Market basket analysis is known as powerful method to identify co-occurrence of thing to discover patterns and frequency of the elements. In this research, we used market basket analysis to identify important bio-elements in DDIs occurrence. For this, we collected all known DDIs from DrugBank. The obtained data were analyzed by market basket analysis method. We investigated all drug-enzyme, drug-carrier, drug-transporter and drug-target associations. To determine the importance of the extracted bio-elements, extracted rules were evaluated in terms of confidence and support. Market basket analysis of the over 45,000 known DDIs reveals more than 300 important rules that can be used to identify DDIs, CYP 450 family were the most frequent shared bio-elements. We applied extracted rules over 2,000,000 unknown drug pairs that lead to discovery of more than 200,000 potential DDIs. Analysis of the underlying reason behind the DDI phenomena can help to predict and prevent DDI occurrence. Ranking of the extracted rules based on strangeness of them can be a supportive tool to predict the outcome of an unknown DDI. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=drug-drug%20interaction" title="drug-drug interaction">drug-drug interaction</a>, <a href="https://publications.waset.org/abstracts/search?q=market%20basket%20analysis" title=" market basket analysis"> market basket analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=rule%20discovery" title=" rule discovery"> rule discovery</a>, <a href="https://publications.waset.org/abstracts/search?q=important%20bio-elements" title=" important bio-elements"> important bio-elements</a> </p> <a href="https://publications.waset.org/abstracts/78955/detection-of-important-biological-elements-in-drug-drug-interaction-occurrence" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/78955.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">314</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">505</span> Characterization of the Intestinal Microbiota: A Signature in Fecal Samples from Patients with Irritable Bowel Syndrome</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mina%20Hojat%20Ansari">Mina Hojat Ansari</a>, <a href="https://publications.waset.org/abstracts/search?q=Kamran%20Bagheri%20Lankarani"> Kamran Bagheri Lankarani</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Reza%20Fattahi"> Mohammad Reza Fattahi</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Reza%20Safarpour"> Ali Reza Safarpour</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Irritable bowel syndrome (IBS) is a common bowel disorder which is usually diagnosed through the abdominal pain, fecal irregularities and bloating. Alteration in the intestinal microbial composition is implicating to inflammatory and functional bowel disorders which is recently also noted as an IBS feature. Owing to the potential importance of microbiota implication in both efficiencies of the treatment and prevention of the diseases, we examined the association between the intestinal microbiota and different bowel patterns in a cohort of subjects with IBS and healthy controls. Fresh fecal samples were collected from a total of 50 subjects, 30 of whom met the Rome IV criteria for IBS and 20 Healthy control. Total DNA was extracted and library preparation was conducted following the standard protocol for small whole genome sequencing. The pooled libraries sequenced on an Illumina Nextseq platform with a 2 × 150 paired-end read length and obtained sequences were analyzed using several bioinformatics programs. The majority of sequences obtained in the current study assigned to bacteria. However, our finding highlighted the significant microbial taxa variation among the studied groups. The result, therefore, suggests a significant association of the microbiota with symptoms and bowel characteristics in patients with IBS. These alterations in fecal microbiota could be exploited as a biomarker for IBS or its subtypes and suggest the modification of the microbiota might be integrated into prevention and treatment strategies for IBS. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=irritable%20bowel%20syndrome" title="irritable bowel syndrome">irritable bowel syndrome</a>, <a href="https://publications.waset.org/abstracts/search?q=intestinal%20microbiota" title=" intestinal microbiota"> intestinal microbiota</a>, <a href="https://publications.waset.org/abstracts/search?q=small%20whole%20genome%20sequencing" title=" small whole genome sequencing"> small whole genome sequencing</a>, <a href="https://publications.waset.org/abstracts/search?q=fecal%20samples" title=" fecal samples"> fecal samples</a>, <a href="https://publications.waset.org/abstracts/search?q=Illumina" title=" Illumina"> Illumina</a> </p> <a href="https://publications.waset.org/abstracts/98505/characterization-of-the-intestinal-microbiota-a-signature-in-fecal-samples-from-patients-with-irritable-bowel-syndrome" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/98505.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">504</span> The Formulation of R&D Strategy for Biofuel Technology: A Case Study of the Aviation Industry in Iran</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Maryam%20Amiri">Maryam Amiri</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Rajabzade"> Ali Rajabzade</a>, <a href="https://publications.waset.org/abstracts/search?q=Gholam%20Reza%20Goudarzi"> Gholam Reza Goudarzi</a>, <a href="https://publications.waset.org/abstracts/search?q=Reza%20Heidari"> Reza Heidari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Growth of technology and environmental changes are so fast and therefore, companies and industries have much tendency to do activities of R&D for active participation in the market and achievement to a competitive advantages. Aviation industry and its subdivisions have high level technology and play a special role in economic and social development of countries. So, in the aviation industry for getting new technologies and competing with other countries aviation industry, there is a requirement for capability in R&D. Considering of appropriate R&D strategy is supportive that day technologies of the world can be achieved. Biofuel technology is one of the newest technologies that has allocated discussion of the world in aviation industry to itself. The purpose of this research has been formulation of R&D strategy of biofuel technology in aviation industry of Iran. After reviewing of the theoretical foundations of the methods and R&D strategies, finally we classified R&D strategies in four main categories as follows: internal R&D, collaboration R&D, out sourcing R&D and in-house R&D. After a review of R&D strategies, a model for formulation of R&D strategy with the aim of developing biofuel technology in aviation industry in Iran was offered. With regard to the requirements and aracteristics of industry and technology in the model, we presented an integrated approach to R&D. Based on the techniques of decision making and analyzing of structured expert opinion, 4 R&D strategies for different scenarios and with the aim of developing biofuel technology in aviation industry in Iran were recommended. In this research, based on the common features of the implementation process of R&D, a logical classification of these methods are presented as R&D strategies. Then, R&D strategies and their characteristics was developed according to the experts. In the end, we introduced a model to consider the role of aviation industry and biofuel technology in R&D strategies. And lastly, for conditions and various scenarios of the aviation industry, we have formulated a specific R&D strategy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=aviation%20industry" title="aviation industry">aviation industry</a>, <a href="https://publications.waset.org/abstracts/search?q=biofuel%20technology" title=" biofuel technology"> biofuel technology</a>, <a href="https://publications.waset.org/abstracts/search?q=R%26D" title=" R&D"> R&D</a>, <a href="https://publications.waset.org/abstracts/search?q=R%26D%20strategy" title=" R&D strategy"> R&D strategy</a> </p> <a href="https://publications.waset.org/abstracts/25077/the-formulation-of-rd-strategy-for-biofuel-technology-a-case-study-of-the-aviation-industry-in-iran" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25077.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">582</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">503</span> Estimation of the Seismic Response Modification Coefficient in the Superframe Structural System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ali%20Reza%20Ghanbarnezhad%20Ghazvini">Ali Reza Ghanbarnezhad Ghazvini</a>, <a href="https://publications.waset.org/abstracts/search?q=Seyyed%20Hamid%20Reza%20Mosayyebi"> Seyyed Hamid Reza Mosayyebi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In recent years, an earthquake has occurred approximately every five years in certain regions of Iran. To mitigate the impact of these seismic events, it is crucial to identify and thoroughly assess the vulnerability of buildings and infrastructure, ensuring their safety through principled reinforcement. By adopting new methods of risk assessment, we can effectively reduce the potential risks associated with future earthquakes. In our research, we have observed that the coefficient of behavior in the fourth chapter is 1.65 for the initial structure and 1.72 for the Superframe structure. This indicates that the Superframe structure can enhance the strength of the main structural members by approximately 10% through the utilization of super beams. Furthermore, based on the comparative analysis between the two structures conducted in this study, we have successfully designed a stronger structure with minimal changes in the coefficient of behavior. Additionally, this design has allowed for greater energy dissipation during seismic events, further enhancing the structure's resilience to earthquakes. By comprehensively examining and reinforcing the vulnerability of buildings and infrastructure, along with implementing advanced risk assessment techniques, we can significantly reduce casualties and damages caused by earthquakes in Iran. The findings of this study offer valuable insights for civil engineering professionals in the field of structural engineering, aiding them in designing safer and more resilient structures. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=modal%20pushover%20analysis" title="modal pushover analysis">modal pushover analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=response%20modification%20factor" title=" response modification factor"> response modification factor</a>, <a href="https://publications.waset.org/abstracts/search?q=high-strength%20concrete" title=" high-strength concrete"> high-strength concrete</a>, <a href="https://publications.waset.org/abstracts/search?q=concrete%20shear%20walls" title=" concrete shear walls"> concrete shear walls</a>, <a href="https://publications.waset.org/abstracts/search?q=high-rise%20building" title=" high-rise building"> high-rise building</a> </p> <a href="https://publications.waset.org/abstracts/167392/estimation-of-the-seismic-response-modification-coefficient-in-the-superframe-structural-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/167392.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">147</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">502</span> The Impact of Task-Based Language Teaching on Iranian Female Intermediate EFL Learners’ Writing Performance</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gholam%20Reza%20Parvizi">Gholam Reza Parvizi</a>, <a href="https://publications.waset.org/abstracts/search?q=Hossein%20Azad"> Hossein Azad</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Reza%20Kargar"> Ali Reza Kargar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This article investigated the impact of task-based language teaching (TBLT) on writing performance of the Iranian intermediate EFL learners. There were two groups of forty students of the intermediate female learners studying English in Jahad-e-Daneshgahi language institute, ranging in age from thirteen to nineteen. They participated in their regular classes in the institute and were assigned to two groups including an experimental group of task-based language teaching and a control group for the purpose of homogeneity, all students in two groups took an achievement test before the treatment. As a pre-test; students were assigned to write a task at the beginning of the course. One of the classes was conducted through talking a TBLT approach on their writing, while the other class followed regular patterns of teaching, namely traditional approach for TBLT group. There were some tasks chosen from learners’ textbook. The task selection was in accordance with learning standards for ESL and TOFEL writing sections. At the end of the treatment, a post-test was administered to both experimental group and the control group. Scoring was done on the basis of scoring scale of “expository writing quality scale”. The researcher used paired samples t-test to analyze the effect of TBLT teaching approach on the writing performance of the learners. The data analysis revealed that the subjects in TBLT group performed better on the writing performance post-test than the subjects in control group. The findings of the study also demonstrated that TBLT would enhance writing performance in the group of learners. Moreover, it was indicated that TBLT has been effective in teaching writing performance to Iranian EFL learners <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=task-based%20language%20teaching" title="task-based language teaching">task-based language teaching</a>, <a href="https://publications.waset.org/abstracts/search?q=task" title=" task"> task</a>, <a href="https://publications.waset.org/abstracts/search?q=language%20teaching%20approach" title=" language teaching approach"> language teaching approach</a>, <a href="https://publications.waset.org/abstracts/search?q=writing%20proficiency" title=" writing proficiency"> writing proficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=EFL%20learners" title=" EFL learners "> EFL learners </a> </p> <a href="https://publications.waset.org/abstracts/59349/the-impact-of-task-based-language-teaching-on-iranian-female-intermediate-efl-learners-writing-performance" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/59349.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">425</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">501</span> Study of NGL Feed Price Calculation for a Typical NGL Fractionation Plant</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Simin%20Eydivand">Simin Eydivand</a>, <a href="https://publications.waset.org/abstracts/search?q=Ali%20Ghanadieslami"> Ali Ghanadieslami</a>, <a href="https://publications.waset.org/abstracts/search?q=Reza%20Amiri"> Reza Amiri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Natural gas liquids (NGLs) are light hydrocarbons that are dissolved in associated or non‐associated natural gas in a hydrocarbon reservoir and are produced within a gas stream. There are different ways to calculate the price of NGL. In this study, a spreadsheet calculation method is used for calculation of NGL price with an attractive economy of IRR 25%. For a typical NGL Plant with 3,200,000 t/y capacity of investment and operation of 90% capacity to have IRR 25%, the price of NGL is calculated 277 $/t. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=natural%20gas%20liquid" title="natural gas liquid">natural gas liquid</a>, <a href="https://publications.waset.org/abstracts/search?q=NGL" title=" NGL"> NGL</a>, <a href="https://publications.waset.org/abstracts/search?q=LPG" title=" LPG"> LPG</a>, <a href="https://publications.waset.org/abstracts/search?q=price" title=" price"> price</a>, <a href="https://publications.waset.org/abstracts/search?q=NGL%20fractionation" title=" NGL fractionation"> NGL fractionation</a>, <a href="https://publications.waset.org/abstracts/search?q=NF" title=" NF"> NF</a>, <a href="https://publications.waset.org/abstracts/search?q=investment" title=" investment"> investment</a>, <a href="https://publications.waset.org/abstracts/search?q=IRR" title=" IRR"> IRR</a>, <a href="https://publications.waset.org/abstracts/search?q=NPV" title=" NPV"> NPV</a> </p> <a href="https://publications.waset.org/abstracts/33705/study-of-ngl-feed-price-calculation-for-a-typical-ngl-fractionation-plant" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33705.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">408</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">500</span> Production of Single-Chain Antibodies against Common Epitopes of ErbB1 and ErbB2 Using Phage Display Antibody Library</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Gholamreza%20Hashemitabr">Gholamreza Hashemitabr</a>, <a href="https://publications.waset.org/abstracts/search?q=Reza%20Valadan"> Reza Valadan</a>, <a href="https://publications.waset.org/abstracts/search?q=Alireza%20Rafiei"> Alireza Rafiei</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Reza%20Bassami"> Mohammad Reza Bassami</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Breast cancer is the most common malignancy among women worldwide. Cancer cells use a complex multilayer network of epidermal growth factor receptors (EGFRs) signaling pathways to support their survival and growth. The overlapping networks of EGFRs signaling pathways account for the failure of most ErbB-targeted therapies. The aim of this study was to enrich a pool of recombinant antibody fragments against common epitopes of ErbB1 and ErbB2 in order to simultaneous blockade of ErbBs signaling pathways. ErbB1 and ErbB2 were expressed stably in VERO cells. Selection of recombinant antibodies was performed on live cells expressing either of ErbB1 and ErbB2 receptors using subtractive phage display approach. The results of PCR and DNA fingerprinting in the last round of panning showed that most clones contained insert (80% and 85% for ErbB1 and ErbB2 respectively) with an identical restriction pattern. The selected clones showed positive reaction to both ErbB1 and ErbB2 receptors in phage-ELISA test. Furthermore, the resulting soluble antibody fragments recognized common epitopes of both immunoprecipitated ErbB1 and ErbB2 in western blot. Additionally, the antibodies directed against the dimerization domain of ErbB1 demonstrated a significant absorbance in EGF-stimulated VERO/ErbB1 cells than non-stimulated cells (1.91 and 1.09 respectively). Moreover, the results of dimerization inhibition test showed that these antibodies blocked ErbB1 and ErbB2 dimerization on the surface of ErbB1 and ErbB2 expressing VERO cells. Regarding the importance of pan-ErbB approach to cancer therapy, the antibodies developed here might provide novel therapeutics for simultaneous blockade of ErbBs signaling pathways. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=breast%20cancer" title="breast cancer">breast cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=single-chain%20antibody" title=" single-chain antibody"> single-chain antibody</a>, <a href="https://publications.waset.org/abstracts/search?q=ErbB1" title=" ErbB1"> ErbB1</a>, <a href="https://publications.waset.org/abstracts/search?q=ErbB2" title=" ErbB2"> ErbB2</a>, <a href="https://publications.waset.org/abstracts/search?q=epitope" title=" epitope"> epitope</a> </p> <a href="https://publications.waset.org/abstracts/34808/production-of-single-chain-antibodies-against-common-epitopes-of-erbb1-and-erbb2-using-phage-display-antibody-library" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/34808.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">650</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">499</span> The Phenomena of Virtual World Adoption: Antecedents and Consequences of Virtual World Experience</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Norita%20Ahmad">Norita Ahmad</a>, <a href="https://publications.waset.org/abstracts/search?q=Reza%20Barkhi"> Reza Barkhi</a>, <a href="https://publications.waset.org/abstracts/search?q=Xiaobo%20Xu"> Xiaobo Xu</a> </p> <p class="card-text"><strong>Abstract:</strong></p> We design an experimental study to learn about the cognitive implications of the use of avatars in a Virtual World (VW) (i.e., Second Life). The results support our proposed model, where a positive flow experience with VW influences the attitude towards VW, in turn influencing intention to use VW. Furthermore, VW flow experience can itself be impacted by perceived peer influence, familiarity with VW, and personality of the individuals behind the avatars in VW. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=avatar" title="avatar">avatar</a>, <a href="https://publications.waset.org/abstracts/search?q=flow%20experience" title=" flow experience"> flow experience</a>, <a href="https://publications.waset.org/abstracts/search?q=personality%20type" title=" personality type"> personality type</a>, <a href="https://publications.waset.org/abstracts/search?q=second%20life" title=" second life"> second life</a>, <a href="https://publications.waset.org/abstracts/search?q=virtual%20world" title=" virtual world"> virtual world</a> </p> <a href="https://publications.waset.org/abstracts/13712/the-phenomena-of-virtual-world-adoption-antecedents-and-consequences-of-virtual-world-experience" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13712.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">600</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">498</span> Pathological Disparities in Patients Diagnosed with Prostate Imaging Reporting and Data System 3 Lesions: A Retrospective Study in a High-Volume Academic Center</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Reza%20Roshandel">M. Reza Roshandel</a>, <a href="https://publications.waset.org/abstracts/search?q=Tannaz%20Aghaei%20Badr"> Tannaz Aghaei Badr</a>, <a href="https://publications.waset.org/abstracts/search?q=Batoul%20Khoundabi"> Batoul Khoundabi</a>, <a href="https://publications.waset.org/abstracts/search?q=Sara%20C.%20Lewis"> Sara C. Lewis</a>, <a href="https://publications.waset.org/abstracts/search?q=Soroush%20Rais-Bahrami"> Soroush Rais-Bahrami</a>, <a href="https://publications.waset.org/abstracts/search?q=John%20Sfakianos"> John Sfakianos</a>, <a href="https://publications.waset.org/abstracts/search?q=Reza%20Mehrazin"> Reza Mehrazin</a>, <a href="https://publications.waset.org/abstracts/search?q=Ash%20K.%20Tewari"> Ash K. Tewari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Introduction: Prostate biopsy is the most reliable diagnostic method for choosing the appropriate management of prostate cancer. However, discrepancies between Gleason grade groups (GG) of different biopsies remain a significant concern. This study aims to assess the association of the radiological factors with GG discrepancies in patients with index Prostate Imaging Reporting and Data System (PI-RADS) 3 lesions, using radical prostatectomy (RP) specimens as the most accurate and informative pathology. Methods: This single-institutional retrospective study was performed on a total of 2289 consecutive prostate cancer patients with combined targeted and systematic prostate biopsy followed by radical prostatectomy (RP). The database was explored for patients with the index PI-RADS 3 lesions version 2 and 2.1. Cancers with PI-RADS 4 or 5 scoring were excluded from the study. Patient characteristics and radiologic features were analyzed by multivariable logistic regression. Number-density of lesions was defined as the number of lesions per prostatic volume. Results: Of the 151 prostate cancer cases with PI-RADS 3 index lesions, 27% and 17% had upgrades and downgrades at RP, respectively. Analysis of grade changes showed no significant associations between discrepancies and the number or the number density of PI-RADS 3 lesions. Moreover, the study showed no significant association of the GG changes with race, age, location of the lesions, or prostate volume. Conclusions: This study demonstrated that in PI-RADS 3 cancerous nodules, the chance of the pathology changes in the final pathology of RP specimens was low. Furthermore, having multiple PI-RADS 3 nodules did not change the conclusion, as the possibility of grade changes in patients with multiple nodules was similar to those with solitary lesions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=prostate" title="prostate">prostate</a>, <a href="https://publications.waset.org/abstracts/search?q=adenocarcinoma" title=" adenocarcinoma"> adenocarcinoma</a>, <a href="https://publications.waset.org/abstracts/search?q=multiparametric%20MRI" title=" multiparametric MRI"> multiparametric MRI</a>, <a href="https://publications.waset.org/abstracts/search?q=Gleason%20score" title=" Gleason score"> Gleason score</a>, <a href="https://publications.waset.org/abstracts/search?q=robot-assisted%20surgery" title=" robot-assisted surgery"> robot-assisted surgery</a> </p> <a href="https://publications.waset.org/abstracts/161253/pathological-disparities-in-patients-diagnosed-with-prostate-imaging-reporting-and-data-system-3-lesions-a-retrospective-study-in-a-high-volume-academic-center" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/161253.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">134</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">497</span> Biases in Numerically Invariant Joint Signatures </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Reza%20Aghayan">Reza Aghayan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper illustrates that numerically invariant joint signatures suffer biases in the resulting signatures. Next, we classify the arising biases as Bias Type 1 and Bias Type 2 and show how they can be removed. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Euclidean%20and%20affine%20geometries" title="Euclidean and affine geometries">Euclidean and affine geometries</a>, <a href="https://publications.waset.org/abstracts/search?q=differential%20invariant%20signature%20curves" title=" differential invariant signature curves"> differential invariant signature curves</a>, <a href="https://publications.waset.org/abstracts/search?q=numerically%20invariant%20joint%20signatures" title=" numerically invariant joint signatures"> numerically invariant joint signatures</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20analysis" title=" numerical analysis"> numerical analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=numerical%20bias" title=" numerical bias"> numerical bias</a>, <a href="https://publications.waset.org/abstracts/search?q=curve%20analysis" title=" curve analysis"> curve analysis</a> </p> <a href="https://publications.waset.org/abstracts/31756/biases-in-numerically-invariant-joint-signatures" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/31756.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">598</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">496</span> Investigation of Bird Impact on Tailplane</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Reza%20Hedayati">Reza Hedayati</a>, <a href="https://publications.waset.org/abstracts/search?q=Meysam%20Jahanbakhshi"> Meysam Jahanbakhshi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The typical airplane stabilizer structures consist of two main similar segments (outer and inner parts), one of them a little larger than the other. In this study, bird impact on four different spots of the stabilizer structure: (a) between two ribs of smaller segment, (b) between two ribs of larger segment, (c) on the rib connecting the two segments, and (d) on a middle rib of the smaller segment, is investigated and their results are compared by means of energy absorption, displacement, and bird’s mass diagrams as well as visible damage induced on the stabilizer structure. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=airplane" title="airplane">airplane</a>, <a href="https://publications.waset.org/abstracts/search?q=bird%20strike" title=" bird strike"> bird strike</a>, <a href="https://publications.waset.org/abstracts/search?q=LS-DYNA" title=" LS-DYNA"> LS-DYNA</a>, <a href="https://publications.waset.org/abstracts/search?q=stabilizer" title=" stabilizer "> stabilizer </a> </p> <a href="https://publications.waset.org/abstracts/23915/investigation-of-bird-impact-on-tailplane" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/23915.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">405</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">495</span> Effects of Carbon Dioxide on the Organoleptic Properties of Hazelnut</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Reza%20Sadeghi">Reza Sadeghi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Carbon dioxide treatment is one of the new methods for storage pest control. It can be used to replace chemical approaches for postharvest. Hazelnut has a considerable share in the annual exports of Iran. In the present study, hazelnut was studied after being exposed to different CO2 pressures (0.1-0.5bar) within 24 hours. Changes in organoleptic properties (colour, firmness, aroma, crispness, and overall acceptability) during fumigation were studied. The results showed that the sensory evaluation showed that carbon dioxide had no effect on the qualitative characteristics of hazelnut. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=carbon%20dioxide" title="carbon dioxide">carbon dioxide</a>, <a href="https://publications.waset.org/abstracts/search?q=hazelnut" title=" hazelnut"> hazelnut</a>, <a href="https://publications.waset.org/abstracts/search?q=qualitative%20characteristics" title=" qualitative characteristics"> qualitative characteristics</a>, <a href="https://publications.waset.org/abstracts/search?q=organoleptic" title=" organoleptic"> organoleptic</a> </p> <a href="https://publications.waset.org/abstracts/170494/effects-of-carbon-dioxide-on-the-organoleptic-properties-of-hazelnut" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/170494.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">90</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">494</span> Chaotic Behavior in Monetary Systems: Comparison among Different Types of Taylor Rule</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Reza%20Moosavi%20Mohseni">Reza Moosavi Mohseni</a>, <a href="https://publications.waset.org/abstracts/search?q=Wenjun%20Zhang"> Wenjun Zhang</a>, <a href="https://publications.waset.org/abstracts/search?q=Jiling%20Cao"> Jiling Cao</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The aim of the present study is to detect the chaotic behavior in monetary economic relevant dynamical system. The study employs three different forms of Taylor rules: current, forward, and backward looking. The result suggests the existence of the chaotic behavior in all three systems. In addition, the results strongly represent that using expectations especially rational expectation hypothesis can increase complexity of the system and leads to more chaotic behavior. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=taylor%20rule" title="taylor rule">taylor rule</a>, <a href="https://publications.waset.org/abstracts/search?q=monetary%20system" title=" monetary system"> monetary system</a>, <a href="https://publications.waset.org/abstracts/search?q=chaos%20theory" title=" chaos theory"> chaos theory</a>, <a href="https://publications.waset.org/abstracts/search?q=lyapunov%20exponent" title=" lyapunov exponent"> lyapunov exponent</a>, <a href="https://publications.waset.org/abstracts/search?q=GMM%20estimator" title=" GMM estimator"> GMM estimator</a> </p> <a href="https://publications.waset.org/abstracts/27264/chaotic-behavior-in-monetary-systems-comparison-among-different-types-of-taylor-rule" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27264.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">531</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">493</span> A Conceptual Study for Investigating the Preliminary State of Energy at the Birth of Universe and Understanding Its Emergence From the State of Nothing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahmoud%20Reza%20Hosseini">Mahmoud Reza Hosseini</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, a comprehensive energy model is proposed and utilized to study the birth of universe from the state of nothing. The state of nothing main specification is introduced and its role in the creation of universe is studied. In addition, the current research work provides a different approach to some of the ongoing paradox in cosmology such as the singularity at the beginning of big bang, and the expansion of universe at an accelerated rate. Also, the possible mechanism responsible for the creation of space-time domain is investigated. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=big%20bang" title="big bang">big bang</a>, <a href="https://publications.waset.org/abstracts/search?q=cosmic%20inflation" title=" cosmic inflation"> cosmic inflation</a>, <a href="https://publications.waset.org/abstracts/search?q=birth%20of%20universe" title=" birth of universe"> birth of universe</a>, <a href="https://publications.waset.org/abstracts/search?q=energy%20creation" title=" energy creation"> energy creation</a>, <a href="https://publications.waset.org/abstracts/search?q=universe%20evolution" title=" universe evolution"> universe evolution</a> </p> <a href="https://publications.waset.org/abstracts/185940/a-conceptual-study-for-investigating-the-preliminary-state-of-energy-at-the-birth-of-universe-and-understanding-its-emergence-from-the-state-of-nothing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/185940.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">51</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=Reza%20Pourjafarabadi&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Reza%20Pourjafarabadi&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Reza%20Pourjafarabadi&page=4">4</a></li> <li class="page-item"><a class="page-link" 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