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Mahdi Mortaheb</title> <meta name="description" content="Search results for: Mohammad Mahdi Mortaheb"> <meta name="keywords" content="Mohammad Mahdi Mortaheb"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block 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action="https://publications.waset.org/abstracts/search"> <div id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Mohammad Mahdi Mortaheb"> <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> 1545</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Mohammad Mahdi Mortaheb</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1545</span> Secrecy Analysis in Downlink Cellular Networks in the Presence of D2D Pairs and Hardware Impairment</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20Rahimi">Mahdi Rahimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Mojahedian"> Mohammad Mahdi Mojahedian</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Reza%20Aref"> Mohammad Reza Aref</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, a cellular communication scenario with a transmitter and an authorized user is considered to analyze its secrecy in the face of eavesdroppers and the interferences propagated unintentionally through the communication network. It is also assumed that some D2D pairs and eavesdroppers are randomly located in the cell. Assuming hardware impairment, perfect connection probability is analytically calculated, and upper bound is provided for the secrecy outage probability. In addition, a method based on random activation of D2Ds is proposed to improve network security. Finally, the analytical results are verified by simulations. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=physical%20layer%20security" title="physical layer security">physical layer security</a>, <a href="https://publications.waset.org/abstracts/search?q=stochastic%20geometry" title=" stochastic geometry"> stochastic geometry</a>, <a href="https://publications.waset.org/abstracts/search?q=device-to-device" title=" device-to-device"> device-to-device</a>, <a href="https://publications.waset.org/abstracts/search?q=hardware%20impairment" title=" hardware impairment"> hardware impairment</a> </p> <a href="https://publications.waset.org/abstracts/148278/secrecy-analysis-in-downlink-cellular-networks-in-the-presence-of-d2d-pairs-and-hardware-impairment" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/148278.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">180</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">1544</span> Comparing Productivity of the Foreign versus Local Construction Workers Based on Their Level of Technical Training and Cultural Characteristics: Case Study of Kish Island, Iran</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mansour%20Rezvani">Mansour Rezvani</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Mortaheb"> Mohammad Mahdi Mortaheb</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This study considers the employment of foreign workforce in Kish Free Trade and Industrial Zone and aims to investigate the productivity of foreign construction labours as compared to their local counterpart. Moreover, this study compares work skills and experience of foreign and local Iranian construction workers to optimize construction working conditions. The results and findings have been effectively applied to develop a training program to optimize and promote Iranian workforce productivity and effectiveness in construction industry in comparison with foreign workforce. It is hoped that the accumulated findings contribute to decrease demand for foreign workers and skills shortages in construction sectors. Therefore, job vacancies for local residents in Kish and other looking for job people in main lands will be increased. The method of collecting data has been conducted by distributing a questionnaire and interviewing most foreign construction workers, local Iranian construction works and the project managers of five mega projects in Kish Island including Mica mall, Basak, Persian, Damoon and Sarina mall. All data have been analyzed by SPSS and Excel software. A topic-related survey was conducted through a structured questionnaire including 54 employers, 20 contractors and 13 consultants. About 56 factors were identified. After implementing the context validity test, 52 factors were stated in 52 questions based on five major groups consist of: (1) economical, (2) social and cultural, (3) individual, (4) technical, (5) organizational, environmental and legal. Based on the quantified Relative Importance Index, the ten most important factors, ten less important factors, and three most important categories were identified. To date, there is not any comprehensive study that explores the important critical factors in mega construction projects on Kish Island to identify the major problems to decrease demand for foreign workers. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cultural%20characteristics" title="cultural characteristics">cultural characteristics</a>, <a href="https://publications.waset.org/abstracts/search?q=foreign%20worker" title=" foreign worker"> foreign worker</a>, <a href="https://publications.waset.org/abstracts/search?q=local%20construction%20workers" title=" local construction workers"> local construction workers</a>, <a href="https://publications.waset.org/abstracts/search?q=productivity" title=" productivity"> productivity</a>, <a href="https://publications.waset.org/abstracts/search?q=technical%20training" title=" technical training"> technical training</a> </p> <a href="https://publications.waset.org/abstracts/96222/comparing-productivity-of-the-foreign-versus-local-construction-workers-based-on-their-level-of-technical-training-and-cultural-characteristics-case-study-of-kish-island-iran" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/96222.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">146</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">1543</span> Investigations of the Crude Oil Distillation Preheat Section in Unit 100 of Abadan Refinery and Its Recommendation</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20GoharRokhi">Mahdi GoharRokhi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20H.%20Ruhipour"> Mohammad H. Ruhipour</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20R.%20ZamaniZadeh"> Mohammad R. ZamaniZadeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohsen%20Maleki"> Mohsen Maleki</a>, <a href="https://publications.waset.org/abstracts/search?q=Yusef%20Shamsayi"> Yusef Shamsayi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20FarhaniNejad"> Mahdi FarhaniNejad</a>, <a href="https://publications.waset.org/abstracts/search?q=Farzad%20FarrokhZadeh"> Farzad FarrokhZadeh</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Possessing massive resources of natural gas and petroleum, Iran has a special place among all other oil producing countries, according to international institutions of energy. In order to use these resources, development and functioning optimization of refineries and industrial units is mandatory. Heat exchanger is one of the most important and strategic equipment which its key role in the process of production is clear to everyone. For instance, if the temperature of a processing fluid is not set as needed by heat exchangers, the specifications of desired product can change profoundly. Crude oil enters a network of heat exchangers in atmospheric distillation section before getting into the distillation tower; in this case, well-functioning of heat exchangers can significantly affect the operation of distillation tower. In this paper, different scenarios for pre-heating of oil are studied using oil and gas simulation software, and the results are discussed. As we reviewed various scenarios, adding a heat exchanger to pre-heating network is proposed as the most efficient factor in improving all governing parameters of the tower i.e. temperature, pressure, and reflux rate. This exchanger is embedded in crude oil’s path. Crude oil enters the exchanger after E-101 and exchanges heat with discharging kerosene pump around from E-136. As depicted in the results, it will efficiently assist the improvement of process operation and side expenses. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=atmospheric%20distillation%20unit" title="atmospheric distillation unit">atmospheric distillation unit</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20exchanger" title=" heat exchanger"> heat exchanger</a>, <a href="https://publications.waset.org/abstracts/search?q=preheat" title=" preheat"> preheat</a>, <a href="https://publications.waset.org/abstracts/search?q=simulation" title=" simulation"> simulation</a> </p> <a href="https://publications.waset.org/abstracts/50535/investigations-of-the-crude-oil-distillation-preheat-section-in-unit-100-of-abadan-refinery-and-its-recommendation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/50535.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">660</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">1542</span> Influence of Flame-Holder on Existence Important Parameters in a Duct Combustion Simulator</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Doustdar">Mohammad Mahdi Doustdar</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mojtahedpoor"> Mohammad Mojtahedpoor</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The effects of flame-holder position, the ratio of flame holder diameter to combustion chamber diameter and injection angle on fuel propulsive droplets sizing and effective mass fraction have been studied by a cold flow. We named the mass of fuel vapor inside the flammability limit as the effective mass fraction. An empty cylinder as well as a flame-holder which are as a simulator for duct combustion has been considered. The airflow comes into the cylinder from one side and injection operation will be done by four nozzles which are located on the entrance of cylinder. To fulfill the calculations a modified version of KIVA-3V code which is a transient, three-dimensional, multi phase, multi component code for the analysis of chemically reacting flows with sprays, is used. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=KIVA-3V" title="KIVA-3V">KIVA-3V</a>, <a href="https://publications.waset.org/abstracts/search?q=flame-holder" title=" flame-holder"> flame-holder</a>, <a href="https://publications.waset.org/abstracts/search?q=duct%20combustion" title=" duct combustion"> duct combustion</a>, <a href="https://publications.waset.org/abstracts/search?q=effective%20mass%20fraction" title=" effective mass fraction"> effective mass fraction</a>, <a href="https://publications.waset.org/abstracts/search?q=mean%20diameter%20of%20droplets" title=" mean diameter of droplets"> mean diameter of droplets</a> </p> <a href="https://publications.waset.org/abstracts/33237/influence-of-flame-holder-on-existence-important-parameters-in-a-duct-combustion-simulator" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33237.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">619</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">1541</span> A Location-Allocation-Routing Model for a Home Health Care Supply Chain Problem</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amir%20Mohammad%20Fathollahi%20Fard">Amir Mohammad Fathollahi Fard</a>, <a href="https://publications.waset.org/abstracts/search?q=Mostafa%20Hajiaghaei-Keshteli"> Mostafa Hajiaghaei-Keshteli</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Paydar"> Mohammad Mahdi Paydar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> With increasing life expectancy in developed countries, the role of home care services is highlighted by both academia and industrial contributors in Home Health Care Supply Chain (HHCSC) companies. The main decisions in such supply chain systems are the location of pharmacies, the allocation of patients to these pharmacies and also the routing and scheduling decisions of nurses to visit their patients. In this study, for the first time, an integrated model is proposed to consist of all preliminary and necessary decisions in these companies, namely, location-allocation-routing model. This model is a type of NP-hard one. Therefore, an Imperialist Competitive Algorithm (ICA) is utilized to solve the model, especially in large sizes. Results confirm the efficiency of the developed model for HHCSC companies as well as the performance of employed ICA. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=home%20health%20care%20supply%20chain" title="home health care supply chain">home health care supply chain</a>, <a href="https://publications.waset.org/abstracts/search?q=location-allocation-routing%20problem" title=" location-allocation-routing problem"> location-allocation-routing problem</a>, <a href="https://publications.waset.org/abstracts/search?q=imperialist%20competitive%20algorithm" title=" imperialist competitive algorithm"> imperialist competitive algorithm</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a> </p> <a href="https://publications.waset.org/abstracts/82335/a-location-allocation-routing-model-for-a-home-health-care-supply-chain-problem" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/82335.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">397</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">1540</span> Effect of Oil Contamination on the Liquefaction Behavior of Sandy Soils</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seyed%20Abolhasan%20Naeini">Seyed Abolhasan Naeini</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Shojaedin"> Mohammad Mahdi Shojaedin</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Oil leakage from the pipelines and the tanks carrying them, or during oil extraction, could lead to the changes in the characteristics and properties of the soil. In this paper, conducting a series of experimental cyclic triaxial tests, the effects of oil contamination on the liquefaction potential of sandy soils is investigated. The studied specimens are prepared by mixing the Firoozkuh sand with crude oil in 4, 8 and 12 percent by soil dry weight. The results show that the oil contamination up to 8% causes an increase in the soil liquefaction resistance and then with increase in the contamination, the liquefaction resistance decreases. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cyclic%20triaxial%20test" title="cyclic triaxial test">cyclic triaxial test</a>, <a href="https://publications.waset.org/abstracts/search?q=liquefaction%20resistance" title=" liquefaction resistance"> liquefaction resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=oil%20contamination" title=" oil contamination"> oil contamination</a>, <a href="https://publications.waset.org/abstracts/search?q=sandy%20soil" title=" sandy soil"> sandy soil</a> </p> <a href="https://publications.waset.org/abstracts/8592/effect-of-oil-contamination-on-the-liquefaction-behavior-of-sandy-soils" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/8592.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">528</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">1539</span> Joining of Aluminum and Steel in Car Body Manufacturing</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Mohammadi">Mohammad Mahdi Mohammadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Zinc-coated steel sheets have been joined with aluminum samples in an overlapping as well as in a butt-joint configuration. A bi-metal-wire composed from aluminum and steel was used for additional welding experiments. An advantage of the laser-assisted bi-metal-wire welding is that the welding process is simplified since the primary joint between aluminium and steel exists already and laser welding occurs only between similar materials. FEM-simulations of the process were chosen to determine the ideal dimensions with respect to the formability of the bi-metal-wire. A prototype demonstrated the feasibility of the process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=car%20body" title="car body">car body</a>, <a href="https://publications.waset.org/abstracts/search?q=steel%20sheets" title=" steel sheets"> steel sheets</a>, <a href="https://publications.waset.org/abstracts/search?q=formability%20of%20bi-metal-wire" title=" formability of bi-metal-wire"> formability of bi-metal-wire</a>, <a href="https://publications.waset.org/abstracts/search?q=laser-assisted%20bi-metal-wire" title=" laser-assisted bi-metal-wire"> laser-assisted bi-metal-wire</a> </p> <a href="https://publications.waset.org/abstracts/1580/joining-of-aluminum-and-steel-in-car-body-manufacturing" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1580.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">508</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">1538</span> The English Translation of Arabic Metaphors in the Holy Qura’n</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Hamzah%20Alshehab">Mohammad Hamzah Alshehab</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Metaphor is a substitute expression in everyday life in languages, thoughts and actions. It has an original value in language use with different conceptual, grammatical and properties. In addition, it is a central concept in literary studies. The present paper aims at investigating metaphor’s types imbedded in some Holy Verses (HV). For achieving the objectives of this paper, two English versions were chosen , the first is the Translation of the Meanings of the Noble Qura’n in the English Language by Mohammad AlHilali and Mohammad Khan, and the second version is the English Translation of the Holy Qura’n by Mohammad Ali were used. The researcher selected (20) Holy Verses include metaphors to be analyzed and investigated. Metaphor types were categorized by an assessment of the two translations followed by a discussion between the two versions of translation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=metaphor" title="metaphor">metaphor</a>, <a href="https://publications.waset.org/abstracts/search?q=metaphor%E2%80%99s%20types" title=" metaphor’s types"> metaphor’s types</a>, <a href="https://publications.waset.org/abstracts/search?q=Holy%20Qura%E2%80%99n" title=" Holy Qura’n"> Holy Qura’n</a>, <a href="https://publications.waset.org/abstracts/search?q=Holy%20Verses" title=" Holy Verses "> Holy Verses </a> </p> <a href="https://publications.waset.org/abstracts/13557/the-english-translation-of-arabic-metaphors-in-the-holy-quran" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/13557.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">653</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">1537</span> Analysis of Various Factors Affecting Hardness and Content of Phases Resulting from 1030 Carbon Steel Heat Treatment Using AC3 Software</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Saeid%20Shahraki">Saeid Shahraki</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Kaekha"> Mohammad Mahdi Kaekha</a> </p> <p class="card-text"><strong>Abstract:</strong></p> 1030 steel, a kind of carbon steel used in homogenization, cold-forming, quenching, and tempering conditions, is generally utilized in small parts resisting medium stress, such as connection foundations, hydraulic cylinders, tiny gears, pins, clamps, automotive normal forging parts, camshafts, levers, pundits, and nuts. In this study, AC3 software was used to measure the effect of carbon and manganese percentage, dimensions and geometry of pieces, the type of the cooling fluid, temperature, and time on hardness and the content of 1030 steel phases. Next, the results are compared with the analytical values obtained from the Lumped Capacity Method. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=1030Steel" title="1030Steel">1030Steel</a>, <a href="https://publications.waset.org/abstracts/search?q=AC3software" title=" AC3software"> AC3software</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20treatment" title=" heat treatment"> heat treatment</a>, <a href="https://publications.waset.org/abstracts/search?q=lumped%20capacity%20method" title=" lumped capacity method"> lumped capacity method</a> </p> <a href="https://publications.waset.org/abstracts/51308/analysis-of-various-factors-affecting-hardness-and-content-of-phases-resulting-from-1030-carbon-steel-heat-treatment-using-ac3-software" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/51308.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">281</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">1536</span> Failure Criterion for Mixed Mode Fracture of Cracked Wood Specimens</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20Fakoor">Mahdi Fakoor</a>, <a href="https://publications.waset.org/abstracts/search?q=Seyed%20Mohammad%20Navid%20Ghoreishi"> Seyed Mohammad Navid Ghoreishi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Investigation of fracture of wood components can prevent from catastrophic failures. Created fracture process zone (FPZ) in crack tip vicinity has important effect on failure of cracked composite materials. In this paper, a failure criterion for fracture investigation of cracked wood specimens under mixed mode I/II loading is presented. This criterion is based on maximum strain energy release rate and material nonlinearity in the vicinity of crack tip due to presence of microcracks. Verification of results with available experimental data proves the coincidence of the proposed criterion with the nature of fracture of wood. To simplify the estimation of nonlinear properties of FPZ, a damage factor is also introduced for engineering and application purposes. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fracture%20criterion" title="fracture criterion">fracture criterion</a>, <a href="https://publications.waset.org/abstracts/search?q=mixed%20mode%20loading" title=" mixed mode loading"> mixed mode loading</a>, <a href="https://publications.waset.org/abstracts/search?q=damage%20zone" title=" damage zone"> damage zone</a>, <a href="https://publications.waset.org/abstracts/search?q=micro%20cracks" title=" micro cracks"> micro cracks</a> </p> <a href="https://publications.waset.org/abstracts/72822/failure-criterion-for-mixed-mode-fracture-of-cracked-wood-specimens" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/72822.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">298</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1535</span> The Role of the Stud’s Configuration in the Structural Response of Composite Bridges</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Mohammadi%20Dehnavi">Mohammad Mahdi Mohammadi Dehnavi</a>, <a href="https://publications.waset.org/abstracts/search?q=Alessandra%20De%20Angelis"> Alessandra De Angelis</a>, <a href="https://publications.waset.org/abstracts/search?q=Maria%20Rosaria%20Pecce"> Maria Rosaria Pecce</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper deals with the role of studs in the structural response of steel-concrete composite beams. A tri-linear slip-shear strength law is assumed according to literature and codes provisions for developing a finite element (FE) model of a case study of a composite deck. The variation of the strength and ductility of the connection is implemented in the numerical model carrying out nonlinear analyses. The results confirm the utility of the model to evaluate the importance of the studs capacity, ductility and strength on the global response (ductility and strength) of the structures but also to analyze the trend of slip and shear at interface along the beams. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=stud%20connectors" title="stud connectors">stud connectors</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20element%20method" title=" finite element method"> finite element method</a>, <a href="https://publications.waset.org/abstracts/search?q=slip" title=" slip"> slip</a>, <a href="https://publications.waset.org/abstracts/search?q=shear%20load" title=" shear load"> shear load</a>, <a href="https://publications.waset.org/abstracts/search?q=steel-concrete%20composite%20bridge" title=" steel-concrete composite bridge"> steel-concrete composite bridge</a> </p> <a href="https://publications.waset.org/abstracts/146499/the-role-of-the-studs-configuration-in-the-structural-response-of-composite-bridges" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/146499.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">153</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1534</span> Calculation of Stress Intensity Factors in Rotating Disks Containing 3D Semi-Elliptical Cracks</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20Fakoor">Mahdi Fakoor</a>, <a href="https://publications.waset.org/abstracts/search?q=Seyed%20Mohammad%20Navid%20Ghoreishi"> Seyed Mohammad Navid Ghoreishi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Initiation and propagation of cracks may cause catastrophic failures in rotating disks, and hence determination of fracture parameter in rotating disks under the different working condition is very important issue. In this paper, a comprehensive study of stress intensity factors in rotating disks containing 3D semi-elliptical cracks under the different working condition is investigated. In this regard, after verification of modeling and analytical procedure, the effects of mechanical properties, rotational velocity, and orientation of cracks on Stress Intensity Factors (SIF) in rotating disks under centrifugal loading are investigated. Also, the effects of using composite patch in reduction of SIF in rotating disks are studied. By that way, the effects of patching design variables like mechanical properties, thickness, and ply angle are investigated individually. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=stress%20intensity%20factor" title="stress intensity factor">stress intensity factor</a>, <a href="https://publications.waset.org/abstracts/search?q=semi-elliptical%20crack" title=" semi-elliptical crack"> semi-elliptical crack</a>, <a href="https://publications.waset.org/abstracts/search?q=rotating%20disk" title=" rotating disk"> rotating disk</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20element%20analysis%20%28FEA%29" title=" finite element analysis (FEA)"> finite element analysis (FEA)</a> </p> <a href="https://publications.waset.org/abstracts/47599/calculation-of-stress-intensity-factors-in-rotating-disks-containing-3d-semi-elliptical-cracks" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/47599.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">364</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">1533</span> Dynamic vs. Static Bankruptcy Prediction Models: A Dynamic Performance Evaluation Framework</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Mousavi">Mohammad Mahdi Mousavi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Bankruptcy prediction models have been implemented for continuous evaluation and monitoring of firms. With the huge number of bankruptcy models, an extensive number of studies have focused on answering the question that which of these models are superior in performance. In practice, one of the drawbacks of existing comparative studies is that the relative assessment of alternative bankruptcy models remains an exercise that is mono-criterion in nature. Further, a very restricted number of criteria and measure have been applied to compare the performance of competing bankruptcy prediction models. In this research, we overcome these methodological gaps through implementing an extensive range of criteria and measures for comparison between dynamic and static bankruptcy models, and through proposing a multi-criteria framework to compare the relative performance of bankruptcy models in forecasting firm distress for UK firms. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=bankruptcy%20prediction" title="bankruptcy prediction">bankruptcy prediction</a>, <a href="https://publications.waset.org/abstracts/search?q=data%20envelopment%20analysis" title=" data envelopment analysis"> data envelopment analysis</a>, <a href="https://publications.waset.org/abstracts/search?q=performance%20criteria" title=" performance criteria"> performance criteria</a>, <a href="https://publications.waset.org/abstracts/search?q=performance%20measures" title=" performance measures"> performance measures</a> </p> <a href="https://publications.waset.org/abstracts/52050/dynamic-vs-static-bankruptcy-prediction-models-a-dynamic-performance-evaluation-framework" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52050.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">248</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">1532</span> Electronic Tongue as an Innovative Non-Destructive Tool for the Quality Monitoring of Fruits</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20Ghasemi-Varnamkhasti">Mahdi Ghasemi-Varnamkhasti</a>, <a href="https://publications.waset.org/abstracts/search?q=Ayat%20Mohammad-Razdari"> Ayat Mohammad-Razdari</a>, <a href="https://publications.waset.org/abstracts/search?q=Seyedeh-Hoda%20Yoosefian"> Seyedeh-Hoda Yoosefian</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Taste is an important sensory property governing acceptance of products for administration through mouth. The advent of artificial sensorial systems as non-destructive tools able to mimic chemical senses such as those known as electronic tongue (ET) has open a variety of practical applications and new possibilities in many fields where the presence of taste is the phenomenon under control. In recent years, electronic tongue technology opened the possibility to exploit information on taste attributes of fruits providing real time information about quality and ripeness. Electronic tongue systems have received considerable attention in the field of sensor technology during the last two decade because of numerous applications in diverse fields of applied sciences. This paper deals with some facets of this technology in the quality monitoring of fruits along with more recent its applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=fruit" title="fruit">fruit</a>, <a href="https://publications.waset.org/abstracts/search?q=electronic%20tongue" title=" electronic tongue"> electronic tongue</a>, <a href="https://publications.waset.org/abstracts/search?q=non-destructive" title=" non-destructive"> non-destructive</a>, <a href="https://publications.waset.org/abstracts/search?q=taste%20machine" title=" taste machine"> taste machine</a>, <a href="https://publications.waset.org/abstracts/search?q=horticultural" title=" horticultural"> horticultural</a> </p> <a href="https://publications.waset.org/abstracts/54390/electronic-tongue-as-an-innovative-non-destructive-tool-for-the-quality-monitoring-of-fruits" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54390.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">256</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">1531</span> Effects of Alkaline Pretreatment Parameters on the Corrosion Resistance and ‎Wettability of Magnesium Implant</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahtab%20Assadian">Mahtab Assadian</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohd%20Hasbullah%20Idris"> Mohd Hasbullah Idris</a>, <a href="https://publications.waset.org/abstracts/search?q=Mostafa%20Rezazadeh%20Shirdar"> Mostafa Rezazadeh Shirdar</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Taheri"> Mohammad Mahdi Taheri</a>, <a href="https://publications.waset.org/abstracts/search?q=%E2%80%8ES.%20Izman"> ‎S. Izman</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Corrosion behaviour and surface roughness of magnesium substrate were investigated after NaOH pretreatment in different concentrations (1, 5, and 10 molar) and duration of (10 min, 30 min, 1 h, 3 h, 6 h and 24 h). Creation of Mg(OH)2 barrier layer after pretreatment enhanced corrostion resistance as well as wettability of substrate surface. Characterization including Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) was conducted to detect the existence of this barrier layer. Surface roughness and wettability of substrate was evaluated using atomic force microscopy (AFM) and contact angle measurement respectively. It is found that magnesium treated by 1M NaOH for 30 min reveals higher corrosion resistance and lower water contact angle of substrate surface. In addition, this investigation indicates that pH value of SBF solution is strongly influenced by different time and concentration of alkaline pretreatment. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=magnesium" title="magnesium">magnesium</a>, <a href="https://publications.waset.org/abstracts/search?q=NaOH%20pretreatment" title=" NaOH pretreatment"> NaOH pretreatment</a>, <a href="https://publications.waset.org/abstracts/search?q=corrosion%20resistance" title=" corrosion resistance"> corrosion resistance</a>, <a href="https://publications.waset.org/abstracts/search?q=wettability" title=" wettability"> wettability</a> </p> <a href="https://publications.waset.org/abstracts/14548/effects-of-alkaline-pretreatment-parameters-on-the-corrosion-resistance-and-wettability-of-magnesium-implant" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14548.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">961</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">1530</span> Application of Waterflooding to the Kashkari Oil Field in Northern Afghanistan</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Zabihullah%20Mahdi">Zabihullah Mahdi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20Nayab"> Mahdi Nayab</a>, <a href="https://publications.waset.org/abstracts/search?q=Sadaf%20Jalal"> Sadaf Jalal</a>, <a href="https://publications.waset.org/abstracts/search?q=Navid%20Seddiqi"> Navid Seddiqi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Hydrocarbons represent an important natural resource for the rehabilitation and sustainable development of Afghanistan. In this paper, the use of waterflooding is demonstrated for the petroleum reservoirs of the Kashkari oil field in northern Afghanistan. The technique is based on the Buckley–Leverett frontal-displacement theory, which enables computation of the progress of the waterfront in the reservoir. The relative permeabilities of oil and water, the residual oil saturation, and the irreducible water saturation are obtained from a laboratory experiment. The technique is applied to the laboratory plane-reservoir model to investigate the displacement mechanism and is then compared with the theoretical calculation. Lastly, the technique is applied to the Kashkari oil field to predict the feasible amount of oil that could be produced from this reservoir. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Buckley%E2%80%93Leverett" title="Buckley–Leverett">Buckley–Leverett</a>, <a href="https://publications.waset.org/abstracts/search?q=waterflooding" title=" waterflooding"> waterflooding</a>, <a href="https://publications.waset.org/abstracts/search?q=petroleum%20reservoir%20engineering" title=" petroleum reservoir engineering"> petroleum reservoir engineering</a>, <a href="https://publications.waset.org/abstracts/search?q=two-phase%20flow" title=" two-phase flow"> two-phase flow</a>, <a href="https://publications.waset.org/abstracts/search?q=immiscible%20displacement" title=" immiscible displacement"> immiscible displacement</a>, <a href="https://publications.waset.org/abstracts/search?q=porous%20media" title=" porous media"> porous media</a>, <a href="https://publications.waset.org/abstracts/search?q=relative%20permeability" title=" relative permeability"> relative permeability</a> </p> <a href="https://publications.waset.org/abstracts/111058/application-of-waterflooding-to-the-kashkari-oil-field-in-northern-afghanistan" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/111058.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">203</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">1529</span> Measuring Investigation and Computational Simulation of Cavitation Phenomenon Effects on the Industrial Centrifugal Pump Vibration</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20Hamzehei">Mahdi Hamzehei</a>, <a href="https://publications.waset.org/abstracts/search?q=Homan%20Alimoradzadeh"> Homan Alimoradzadeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20Shahriyari"> Mahdi Shahriyari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, vibration of the industrial centrifugal pumps studied by measuring analysis and computational simulation. Effects of different parameters on pump vibration were investigated. Also, simulation of cavitation in the centrifugal pump was down. First, via CF-TURBO software, the pump impeller and the fluid passing through the pump is modelled and finally, the phenomenon of cavitation in the impeller has been modelled by Ansys software. Also, the effects of changes in the amount of NPSH and bubbles generation in the pump impeller were investigated. By simulation of piping with pipe flow software, effect of fluid velocity and pressure on hydraulics and vibration were studied computationally by applying Computational Fluid Dynamic (CFD) techniques, fluent software and experimentally. Furthermore, this comparison showed that the model can predict hydraulics and vibration behaviour. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cavitation" title="cavitation">cavitation</a>, <a href="https://publications.waset.org/abstracts/search?q=vibration" title=" vibration"> vibration</a>, <a href="https://publications.waset.org/abstracts/search?q=centrifugal%20pumps" title=" centrifugal pumps"> centrifugal pumps</a>, <a href="https://publications.waset.org/abstracts/search?q=performance%20curves" title=" performance curves"> performance curves</a>, <a href="https://publications.waset.org/abstracts/search?q=NPSH" title=" NPSH"> NPSH</a> </p> <a href="https://publications.waset.org/abstracts/5866/measuring-investigation-and-computational-simulation-of-cavitation-phenomenon-effects-on-the-industrial-centrifugal-pump-vibration" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/5866.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">543</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">1528</span> The Effect of Pre-Cracks on Structural Strength of the Nextel Fibers: A Multiscale Modeling Approach</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seyed%20Mohammad%20Mahdi%20Zamani">Seyed Mohammad Mahdi Zamani</a>, <a href="https://publications.waset.org/abstracts/search?q=Kamran%20Behdinan"> Kamran Behdinan</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, a multiscale framework is performed to model the strength of Nextel fibers in presence of an atomistic scale pre-crack at finite temperatures. The bridging cell method (BCM) is the multiscale technique applied in this study, which decomposes the system into the atomistic, bridging and continuum domains; solves the whole system in a finite element framework; and incorporates temperature dependent calculations. Since Nextel is known to be structurally stable and retain 70% of its initial strength up to 1100°C; simulations are conducted at both of the room temperatures, 25°C, and fire temperatures, 1200°C. Two cases are modeled for a pre-crack present in either phases of alumina or mullite of the Nextel structure. The materials’ response is studied with respect to deformation behavior and ultimate tensile strength. Results show different crack growth trends for the two cases, and as the temperature increases, the crack growth resistance and material’s strength decrease. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Nextel%20fibers" title="Nextel fibers">Nextel fibers</a>, <a href="https://publications.waset.org/abstracts/search?q=multiscale%20modeling" title=" multiscale modeling"> multiscale modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=pre-crack" title=" pre-crack"> pre-crack</a>, <a href="https://publications.waset.org/abstracts/search?q=ultimate%20tensile%20strength" title=" ultimate tensile strength "> ultimate tensile strength </a> </p> <a href="https://publications.waset.org/abstracts/36957/the-effect-of-pre-cracks-on-structural-strength-of-the-nextel-fibers-a-multiscale-modeling-approach" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36957.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">419</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">1527</span> Stabilization of a Three-Pole Active Magnetic Bearing by Hybrid Control Method in Static Mode</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20Kiani">Mahdi Kiani</a>, <a href="https://publications.waset.org/abstracts/search?q=Hassan%20Salarieh"> Hassan Salarieh</a>, <a href="https://publications.waset.org/abstracts/search?q=Aria%20Alasty"> Aria Alasty</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20Mahdi%20Darbandi"> S. Mahdi Darbandi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The design and implementation of the hybrid control method for a three-pole active magnetic bearing (AMB) is proposed in this paper. The system is inherently nonlinear and conventional nonlinear controllers are a little complicated, while the proposed hybrid controller has a piecewise linear form, i.e. linear in each sub-region. A state-feedback hybrid controller is designed in this study, and the unmeasurable states are estimated by an observer. The gains of the hybrid controller are obtained by the Linear Quadratic Regulator (LQR) method in each sub-region. To evaluate the performance, the designed controller is implemented on an experimental setup in static mode. The experimental results show that the proposed method can efficiently stabilize the three-pole AMB system. The simplicity of design, domain of attraction, uncomplicated control law, and computational time are advantages of this method over other nonlinear control strategies in AMB systems. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=active%20magnetic%20bearing" title="active magnetic bearing">active magnetic bearing</a>, <a href="https://publications.waset.org/abstracts/search?q=three%20pole%20AMB" title=" three pole AMB"> three pole AMB</a>, <a href="https://publications.waset.org/abstracts/search?q=hybrid%20control" title=" hybrid control"> hybrid control</a>, <a href="https://publications.waset.org/abstracts/search?q=Lyapunov%20function" title=" Lyapunov function"> Lyapunov function</a> </p> <a href="https://publications.waset.org/abstracts/53804/stabilization-of-a-three-pole-active-magnetic-bearing-by-hybrid-control-method-in-static-mode" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/53804.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">341</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">1526</span> Effects of Specific Essential Oil Compounds on, Feed Intake, Milk Production, and Ruminal Environment in Dairy Cows during Heat Exposure</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Kamran%20Reza-Yazdi">Kamran Reza-Yazdi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Fallah"> Mohammad Fallah</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20Khodaparast"> Mahdi Khodaparast</a>, <a href="https://publications.waset.org/abstracts/search?q=Farshad%20Kateb"> Farshad Kateb</a>, <a href="https://publications.waset.org/abstracts/search?q=Morteza%20Hosseini-Ghaffari"> Morteza Hosseini-Ghaffari </a> </p> <p class="card-text"><strong>Abstract:</strong></p> The objective of this study was to determine effect of dietary essential oil (EO) compounds, which contained cinnamaldehyde, eugenol, peppermint, coriander, cumin, lemongrass, and an organic carrier on feed intake, milk composition, and rumen fermentation of dairy cows during heat exposure. Thirty-two Holstein cows (days in milk= 60 ± 5) were assigned to one of two treatment groups: a Control and EO fed. The experiment lasted 28 days. Dry matter intake (DMI) was measured daily while and milk production was measured weekly. Our result showed that DMI and milk yield was decreased (P < 0.01) in control cows relative to EO cows. Furthermore, supplementation with EO was associated with a decrease in the molar proportion of propionate (P < 0.05) and increase (P < 0.05) in acetate to propionate ratio. In conclusion, EO supplementations in diets can be useful nutritional modification to alleviate for the decrease DMI and milk production during heat exposure in lactating dairy cows. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dairy%20cow" title="dairy cow">dairy cow</a>, <a href="https://publications.waset.org/abstracts/search?q=feed%20additive" title=" feed additive"> feed additive</a>, <a href="https://publications.waset.org/abstracts/search?q=plant%20extract" title=" plant extract"> plant extract</a>, <a href="https://publications.waset.org/abstracts/search?q=eugenol" title=" eugenol"> eugenol</a> </p> <a href="https://publications.waset.org/abstracts/17039/effects-of-specific-essential-oil-compounds-on-feed-intake-milk-production-and-ruminal-environment-in-dairy-cows-during-heat-exposure" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/17039.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">793</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">1525</span> Tehran Province Water and Wastewater Company Approach on Energy Efficiency by the Development of Renewable Energy to Achieving the Sustainable Development Legal Principle</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Parvaresh">Mohammad Parvaresh</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20Babaee"> Mahdi Babaee</a>, <a href="https://publications.waset.org/abstracts/search?q=Bahareh%20Arghand"> Bahareh Arghand</a>, <a href="https://publications.waset.org/abstracts/search?q=Roushanak%20Fahimi%20Hanzaee"> Roushanak Fahimi Hanzaee</a>, <a href="https://publications.waset.org/abstracts/search?q=Davood%20Nourmohammadi"> Davood Nourmohammadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Today, the intelligent network of water and wastewater as one of the key steps in realizing the smart city in the world. Use of pressure relief valves in urban water networks in order to reduce the pressure is necessary in Tehran city. But use these pressure relief valves lead to waste water, more power consumption, and environmental pollution because Tehran Province Water and Wastewater Co. use a quarter of industry 's electricity. In this regard, Tehran Province Water and Wastewater Co. identified solutions to reduce direct and indirect costs in energy use in the process of production, transmission and distribution of water because this company has extensive facilities and high capacity to realize green economy and industry. The aim of this study is to analyze the new project in water and wastewater industry to reach sustainable development. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Tehran%20Province%20Water%20and%20Wastewater%20Company" title="Tehran Province Water and Wastewater Company">Tehran Province Water and Wastewater Company</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20network%20efficiency" title=" water network efficiency"> water network efficiency</a>, <a href="https://publications.waset.org/abstracts/search?q=sustainable%20development" title=" sustainable development"> sustainable development</a>, <a href="https://publications.waset.org/abstracts/search?q=International%20Environmental%20Law" title=" International Environmental Law"> International Environmental Law</a> </p> <a href="https://publications.waset.org/abstracts/85116/tehran-province-water-and-wastewater-company-approach-on-energy-efficiency-by-the-development-of-renewable-energy-to-achieving-the-sustainable-development-legal-principle" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/85116.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">291</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">1524</span> Adsorption of Cerium as One of the Rare Earth Elements Using Multiwall Carbon Nanotubes from Aqueous Solution: Modeling, Equilibrium and Kinetics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Saeb%20Ahmadi">Saeb Ahmadi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohsen%20Vafaie%20Sefti"> Mohsen Vafaie Sefti</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Shadman"> Mohammad Mahdi Shadman</a>, <a href="https://publications.waset.org/abstracts/search?q=Ebrahim%20Tangestani"> Ebrahim Tangestani</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Carbon nanotube has shown great potential for the removal of various inorganic and organic components due to properties such as large surface area and high adsorption capacity. Central composite design is widely used method for determining optimal conditions. Also due to the economic reasons and wide application, the rare earth elements are important components. The analyses of cerium (Ce(III)) adsorption as one of the Rare Earth Elements (REEs) adsorption on Multiwall Carbon Nanotubes (MWCNTs) have been studied. The optimization process was performed using Response Surface Methodology (RSM). The optimum amount conditions were pH of 4.5, initial Ce (III) concentration of 90 mg/l and MWCNTs dosage of 80 mg. Under this condition, the optimum adsorption percentage of Ce (III) was obtained about 96%. Next, at the obtained optimum conditions the kinetic and isotherm studied and result showed the pseudo-second order and Langmuir isotherm are more fitted with experimental data than other models. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=cerium" title="cerium">cerium</a>, <a href="https://publications.waset.org/abstracts/search?q=rare%20earth%20element" title=" rare earth element"> rare earth element</a>, <a href="https://publications.waset.org/abstracts/search?q=MWCNTs" title=" MWCNTs"> MWCNTs</a>, <a href="https://publications.waset.org/abstracts/search?q=adsorption" title=" adsorption"> adsorption</a>, <a href="https://publications.waset.org/abstracts/search?q=optimization" title=" optimization"> optimization</a> </p> <a href="https://publications.waset.org/abstracts/93022/adsorption-of-cerium-as-one-of-the-rare-earth-elements-using-multiwall-carbon-nanotubes-from-aqueous-solution-modeling-equilibrium-and-kinetics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/93022.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">1523</span> Sensitivity Analysis of Interference of Localised Corrosion on Bending Capacity of a Corroded RC Beam </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Kioumarsi">Mohammad Mahdi Kioumarsi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, using the response surface method (RSM), tornado diagram method and non-linear finite element analysis, the effect of four parameters on residual bending capacity of a corroded RC beam was investigated. The parameters considered are amount of localised cross section reduction, ratio of pit distance on adjacent bars to rebar distance, concrete compressive strength, and rebar tensile strength. The focus is on the influence on the bending ultimate limit state. Based on the obtained results, the effects of the ratio of pit distance to rebar distance (Lp⁄Lr) and the ratio of the localised cross section reduction to the original area of the rebar (Apit⁄A0) were found significant. The interference of localised corrosion on adjacent reinforcement bars reduces the bending capacity of under-reinforced concrete beam. Using the sensitivity analysis could lead to recognize uncertainty parameters, which have the most influences on the performance of the structure. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=localised%20corrosion" title="localised corrosion">localised corrosion</a>, <a href="https://publications.waset.org/abstracts/search?q=concrete%20beam" title=" concrete beam"> concrete beam</a>, <a href="https://publications.waset.org/abstracts/search?q=sensitivity%20analyses" title=" sensitivity analyses"> sensitivity analyses</a>, <a href="https://publications.waset.org/abstracts/search?q=ultimate%20capacity" title=" ultimate capacity "> ultimate capacity </a> </p> <a href="https://publications.waset.org/abstracts/38618/sensitivity-analysis-of-interference-of-localised-corrosion-on-bending-capacity-of-a-corroded-rc-beam" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/38618.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">249</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">1522</span> Optimal Design of Composite Patch for a Cracked Pipe by Utilizing Genetic Algorithm and Finite Element Method</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20Fakoor">Mahdi Fakoor</a>, <a href="https://publications.waset.org/abstracts/search?q=Seyed%20Mohammad%20Navid%20Ghoreishi"> Seyed Mohammad Navid Ghoreishi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Composite patching is a common way for reinforcing the cracked pipes and cylinders. The effects of composite patch reinforcement on fracture parameters of a cracked pipe depend on a variety of parameters such as number of layers, angle, thickness, and material of each layer. Therefore, stacking sequence optimization of composite patch becomes crucial for the applications of cracked pipes. In this study, in order to obtain the optimal stacking sequence for a composite patch that has minimum weight and maximum resistance in propagation of cracks, a coupled Multi-Objective Genetic Algorithm (MOGA) and Finite Element Method (FEM) process is proposed. This optimization process has done for longitudinal and transverse semi-elliptical cracks and optimal stacking sequences and Pareto’s front for each kind of cracks are presented. The proposed algorithm is validated against collected results from the existing literature. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=multi%20objective%20optimization" title="multi objective optimization">multi objective optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=pareto%20front" title=" pareto front"> pareto front</a>, <a href="https://publications.waset.org/abstracts/search?q=composite%20patch" title=" composite patch"> composite patch</a>, <a href="https://publications.waset.org/abstracts/search?q=cracked%20pipe" title=" cracked pipe"> cracked pipe</a> </p> <a href="https://publications.waset.org/abstracts/67559/optimal-design-of-composite-patch-for-a-cracked-pipe-by-utilizing-genetic-algorithm-and-finite-element-method" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/67559.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">312</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">1521</span> A Bi-Objective Stochastic Mathematical Model for Agricultural Supply Chain Network</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Paydar">Mohammad Mahdi Paydar</a>, <a href="https://publications.waset.org/abstracts/search?q=Armin%20Cheraghalipour"> Armin Cheraghalipour</a>, <a href="https://publications.waset.org/abstracts/search?q=Mostafa%20Hajiaghaei-Keshteli"> Mostafa Hajiaghaei-Keshteli</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nowadays, in advanced countries, agriculture as one of the most significant sectors of the economy, plays an important role in its political and economic independence. Due to farmers' lack of information about products' demand and lack of proper planning for harvest time, annually the considerable amount of products is corrupted. Besides, in this paper, we attempt to improve these unfavorable conditions via designing an effective supply chain network that tries to minimize total costs of agricultural products along with minimizing shortage in demand points. To validate the proposed model, a stochastic optimization approach by using a branch and bound solver of the LINGO software is utilized. Furthermore, to accumulate the data of parameters, a case study in Mazandaran province placed in the north of Iran has been applied. Finally, using ɛ-constraint approach, a Pareto front is obtained and one of its Pareto solutions as best solution is selected. Then, related results of this solution are explained. Finally, conclusions and suggestions for the future research are presented. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=perishable%20products" title="perishable products">perishable products</a>, <a href="https://publications.waset.org/abstracts/search?q=stochastic%20optimization" title=" stochastic optimization"> stochastic optimization</a>, <a href="https://publications.waset.org/abstracts/search?q=agricultural%20supply%20chain" title=" agricultural supply chain"> agricultural supply chain</a>, <a href="https://publications.waset.org/abstracts/search?q=%C9%9B-constraint" title=" ɛ-constraint"> ɛ-constraint</a> </p> <a href="https://publications.waset.org/abstracts/82374/a-bi-objective-stochastic-mathematical-model-for-agricultural-supply-chain-network" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/82374.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">365</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">1520</span> Experimental and Analytical Dose Assessment of Patient's Family Members Treated with I-131</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Marzieh%20Ebrahimi">Marzieh Ebrahimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Vahid%20Changizi"> Vahid Changizi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Reza%20Kardan"> Mohammad Reza Kardan</a>, <a href="https://publications.waset.org/abstracts/search?q=Seyed%20Mahdi%20Hosseini%20Pooya"> Seyed Mahdi Hosseini Pooya</a>, <a href="https://publications.waset.org/abstracts/search?q=Parham%20Geramifar"> Parham Geramifar</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Radiation exposure to the patient's family members is one of the major concerns during thyroid cancer radionuclide therapy. The aim of this study was to measure the total effective dose of the family members by means of thermoluminescence personal dosimeter, and compare with those calculated by analytical methods. Eighty-five adult family members of fifty-one patients volunteered to participate in this research study. Considering the minimum and maximum range of dose rate from 15 µsv/h to 120 µsv/h at patients' release time, the calculated mean and median dose values of family members were 0.45 mSv and 0.28 mSv, respectively. Moreover, almost all family members’ doses were measured to be less than the dose constraint of 5 mSv recommended by Basic Safety Standards. Considering the influence parameters such as patient dose rate and administrated activity, the total effective doses of family members were calculated by TEDE and NRC formulas and compared with those of experimental results. The results indicated that, it is fruitful to use the quantitative calculations for releasing patients treated with I-131 and correct estimation of patients' family doses. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=effective%20dose" title="effective dose">effective dose</a>, <a href="https://publications.waset.org/abstracts/search?q=thermoluminescence" title=" thermoluminescence"> thermoluminescence</a>, <a href="https://publications.waset.org/abstracts/search?q=I-131" title=" I-131"> I-131</a>, <a href="https://publications.waset.org/abstracts/search?q=thyroid%20cancer" title=" thyroid cancer"> thyroid cancer</a> </p> <a href="https://publications.waset.org/abstracts/50786/experimental-and-analytical-dose-assessment-of-patients-family-members-treated-with-i-131" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/50786.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">399</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">1519</span> Study of Chlorine Gas Leak Consequences in Direct Chlorination System Failure in Cooling Towers in the Petrochemical Industry</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20H.%20Ruhipour">Mohammad H. Ruhipour</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20Goharrokhi"> Mahdi Goharrokhi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mahsa%20Ghasemi"> Mahsa Ghasemi</a>, <a href="https://publications.waset.org/abstracts/search?q=Artadokht%20Ostadsarayi"> Artadokht Ostadsarayi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we are aiming to study the consequences of chlorine gas leak in direct chlorine gas injection compared to using bleach (sodium hypochlorite), studying the negative effects both on the environment and individuals. This study was performed in the cooling towers of a natural fractioning unit of Bandar-e-IMAM petrochemical plant. Considering that chlorine gas is highly toxic and based on the health regulation, its release into the surrounding environment can be very dangerous for people and even fatal for individuals. We studied performing quantitative studies in the worst cases of event incidence. In addition, studying alternative methods with a lower risk was also on the agenda to select the least likely possible option causing an accident. In this paper chlorine gas release consequences have been evaluated by using PHAST software. Reaching to 10 ppm of chlorine gas concentration was basis of hazardous area determination. The results show that the full chlorine gas line rupture scenario in Pasquill category F, were worst case, and many people could be harmed around cooling towers area because of chlorine gas inhalation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chlorine%20gas" title="chlorine gas">chlorine gas</a>, <a href="https://publications.waset.org/abstracts/search?q=consequence%20modeling" title=" consequence modeling"> consequence modeling</a>, <a href="https://publications.waset.org/abstracts/search?q=cooling%20towers" title=" cooling towers"> cooling towers</a>, <a href="https://publications.waset.org/abstracts/search?q=direct%20chlorination" title=" direct chlorination"> direct chlorination</a>, <a href="https://publications.waset.org/abstracts/search?q=risk%20assessment" title=" risk assessment"> risk assessment</a>, <a href="https://publications.waset.org/abstracts/search?q=system%20failure" title=" system failure"> system failure</a> </p> <a href="https://publications.waset.org/abstracts/61953/study-of-chlorine-gas-leak-consequences-in-direct-chlorination-system-failure-in-cooling-towers-in-the-petrochemical-industry" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/61953.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">1518</span> Free Radical Dosimetry for Ultrasound in Terephthalic Acid Solutions Containing Gold Nanoparticles</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ahmad%20Shanei">Ahmad Shanei</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Shanei"> Mohammad Mahdi Shanei </a> </p> <p class="card-text"><strong>Abstract:</strong></p> When a liquid is irradiated with high intensities (> 1 W) and low frequencies (≤ 1 MHz) ultrasound, acoustic cavitation occurs. Acoustic cavitation generates free radicals from the breakdown of water and other molecules. The existence of particles in liquid provide nucleation sites for cavitation bubbles and lead to decrease the ultrasonic intensity threshold needed for cavitation onset. The study was designed to measure hydroxyl radicals in terephthalic acid solutions containing 30 nm gold nanoparticles in a near field of a 1 MHz sonotherapy probe. The effect of ultrasound irradiation parameters containing mode of sonication and ultrasound intensity in hydroxyl radicals production have been investigated by the spectrofluorometry method. Recorded fluorescence signal in terephthalic acid solution containing gold nanoparticles was higher than the terephthalic acid solution without gold nanoparticles. Also, the results showed that any increase in intensity of the sonication would be associated with an increase in the fluorescence intensity. Acoustic cavitation in the presence of gold nanoparticles has been introduced as a way for improving therapeutic effects on the tumors. Also, the terephthalic acid dosimetry is suitable for detecting and quantifying free hydroxyl radicals as a criterion of cavitation production over a range of condition in medical ultrasound fields. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=acoustic%20cavitation" title="acoustic cavitation">acoustic cavitation</a>, <a href="https://publications.waset.org/abstracts/search?q=gold%20nanoparticle" title=" gold nanoparticle"> gold nanoparticle</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20dosimetry" title=" chemical dosimetry"> chemical dosimetry</a>, <a href="https://publications.waset.org/abstracts/search?q=terephthalic%20acid" title=" terephthalic acid "> terephthalic acid </a> </p> <a href="https://publications.waset.org/abstracts/11058/free-radical-dosimetry-for-ultrasound-in-terephthalic-acid-solutions-containing-gold-nanoparticles" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/11058.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">473</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">1517</span> Refinery Sulfur as an Alternative Agent to Decrease Pesticide Exposure in Pistachio Orchards and Common Pistachio Psylla’s Control</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mehdi%20Basirat">Mehdi Basirat</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Rouhani"> Mohammad Rouhani</a>, <a href="https://publications.waset.org/abstracts/search?q=Shahla%20Borzouei"> Shahla Borzouei</a>, <a href="https://publications.waset.org/abstracts/search?q=Majid%20Zarangi"> Majid Zarangi</a>, <a href="https://publications.waset.org/abstracts/search?q=Asma%20Abolghasemi"> Asma Abolghasemi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Fazel%20Soltani"> Mohammad Fazel Soltani</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Gorji"> Mohammad Gorji</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Amin%20Samih"> Mohammad Amin Samih</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The common pistachio psylla, Agonoscena pistaciae Burckhardt and Lauterer (Hemiptera: Aphalaridae), as one of the most detrimental pests in all pistachio producing regions, causes great economic damages to pistachio trees. Nowadays, various pesticides are used to control the common pistachio psylla and robust pesticide exposure has occurred in orchards. In this study, field experiments were conducted during 2018–2021 to assess the effects of sulfur on A. pistaciae. This study compared sulfur with asafoetida extract and pesticide (acetamiprid) on A. pistaciae based on complete randomized blocks with three replications. The analysis results of variance showed that the effect of treatments on egg (F2,24 = 17.61, P = 0.00) and nymphs (F2,24 = 18.29, P = 0.00) had a significant difference at a 1% level. The results demonstrated that sulfur had the highest measure of control on eggs and nymphs significantly compared to the plant extract and pesticide (negative control). These results provide support to the potential use of sulfur as an alternative pest management tool against A. pistaciae. The results clearly indicated that sulfur could control the common pistachio psylla population for six weeks at least. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Agonoscena%20pistaciae" title="Agonoscena pistaciae">Agonoscena pistaciae</a>, <a href="https://publications.waset.org/abstracts/search?q=pesticide%20exposure" title=" pesticide exposure"> pesticide exposure</a>, <a href="https://publications.waset.org/abstracts/search?q=pistachio" title=" pistachio"> pistachio</a>, <a href="https://publications.waset.org/abstracts/search?q=sulfur" title=" sulfur"> sulfur</a> </p> <a href="https://publications.waset.org/abstracts/148558/refinery-sulfur-as-an-alternative-agent-to-decrease-pesticide-exposure-in-pistachio-orchards-and-common-pistachio-psyllas-control" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/148558.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">165</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">1516</span> US Foreign Aids and Its Institutional and Non-Institutional Impacts in the Middle East, Africa, Southeast Asia, and Latin America (2000 - 2020)</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mahdi%20Fakheri">Mahdi Fakheri</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mohsen%20Mahdizadeh%20Naeini"> Mohammad Mohsen Mahdizadeh Naeini</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper addresses an understudied aspect of U.S. foreign aids between the years 2000 and 2020. Despite a growing body of literature on the impacts of U.S. aids, the question about how the United States uses its foreign aids to change developing countries has remained unanswered. As foreign aid is a tool of the United States' foreign policy, answering this very question can reveal the future that the U.S. prefers for developing countries and that secures its national interest. This paper will explore USAID's official dataset, which includes the data of foreign aids to the Middle East, Africa, Latin America, and Southeast Asia from 2000 to 2020. Through an empirical analysis, this paper argues that the focus of U.S. foreign aid is evenly divided between institutional and non-institutional (i.e., slight enhancement of status quo) changes. The former is induced by training and education, funding the initiatives and projects, making capacity and increasing the efficiency of human, operational, and management sectors, and enhancing the living condition of the people. Moreover, it will be demonstrated that the political, military, cultural, economic, and judicial are some of the institutions that the U.S. has planned to change in the aforementioned period and regions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=USAID" title="USAID">USAID</a>, <a href="https://publications.waset.org/abstracts/search?q=foreign%20aid" title=" foreign aid"> foreign aid</a>, <a href="https://publications.waset.org/abstracts/search?q=development" title=" development"> development</a>, <a href="https://publications.waset.org/abstracts/search?q=developing%20countries" title=" developing countries"> developing countries</a>, <a href="https://publications.waset.org/abstracts/search?q=Middle%20East" title=" Middle East"> Middle East</a>, <a href="https://publications.waset.org/abstracts/search?q=Africa" title=" Africa"> Africa</a>, <a href="https://publications.waset.org/abstracts/search?q=Southeast%20Asia" title=" Southeast Asia"> Southeast Asia</a>, <a href="https://publications.waset.org/abstracts/search?q=Latin%20America" title=" Latin America"> Latin America</a> </p> <a href="https://publications.waset.org/abstracts/141105/us-foreign-aids-and-its-institutional-and-non-institutional-impacts-in-the-middle-east-africa-southeast-asia-and-latin-america-2000-2020" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/141105.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">189</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=Mohammad%20Mahdi%20Mortaheb&page=2">2</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Mortaheb&page=3">3</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Mortaheb&page=4">4</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Mortaheb&page=5">5</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Mortaheb&page=6">6</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Mortaheb&page=7">7</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Mortaheb&page=8">8</a></li> <li class="page-item"><a class="page-link" href="https://publications.waset.org/abstracts/search?q=Mohammad%20Mahdi%20Mortaheb&page=9">9</a></li> <li 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