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Heidari</title> <meta name="description" content="Search results for: Elham Heidari"> <meta name="keywords" content="Elham Heidari"> <meta name="viewport" content="width=device-width, initial-scale=1, minimum-scale=1, maximum-scale=1, user-scalable=no"> <meta charset="utf-8"> <link href="https://cdn.waset.org/favicon.ico" type="image/x-icon" rel="shortcut icon"> <link href="https://cdn.waset.org/static/plugins/bootstrap-4.2.1/css/bootstrap.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/plugins/fontawesome/css/all.min.css" rel="stylesheet"> <link href="https://cdn.waset.org/static/css/site.css?v=150220211555" rel="stylesheet"> </head> <body> <header> <div class="container"> <nav class="navbar navbar-expand-lg navbar-light"> <a class="navbar-brand" href="https://waset.org"> <img src="https://cdn.waset.org/static/images/wasetc.png" alt="Open Science Research Excellence" title="Open Science Research Excellence" /> </a> <button class="d-block d-lg-none navbar-toggler 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id="custom-search-input"> <div class="input-group"> <i class="fas fa-search"></i> <input type="text" class="search-query" name="q" placeholder="Author, Title, Abstract, Keywords" value="Elham Heidari"> <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> 157</div> </div> </div> </div> <h1 class="mt-3 mb-3 text-center" style="font-size:1.6rem;">Search results for: Elham Heidari</h1> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">157</span> Evaluation Metrics for Machine Learning Techniques: A Comprehensive Review and Comparative Analysis of Performance Measurement Approaches</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Seyed-Ali%20Sadegh-Zadeh">Seyed-Ali Sadegh-Zadeh</a>, <a href="https://publications.waset.org/abstracts/search?q=Kaveh%20Kavianpour"> Kaveh Kavianpour</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamed%20Atashbar"> Hamed Atashbar</a>, <a href="https://publications.waset.org/abstracts/search?q=Elham%20Heidari"> Elham Heidari</a>, <a href="https://publications.waset.org/abstracts/search?q=Saeed%20Shiry%20Ghidary"> Saeed Shiry Ghidary</a>, <a href="https://publications.waset.org/abstracts/search?q=Amir%20M.%20Hajiyavand"> Amir M. Hajiyavand</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Evaluation metrics play a critical role in assessing the performance of machine learning models. In this review paper, we provide a comprehensive overview of performance measurement approaches for machine learning models. For each category, we discuss the most widely used metrics, including their mathematical formulations and interpretation. Additionally, we provide a comparative analysis of performance measurement approaches for metric combinations. Our review paper aims to provide researchers and practitioners with a better understanding of performance measurement approaches and to aid in the selection of appropriate evaluation metrics for their specific applications. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=evaluation%20metrics" title="evaluation metrics">evaluation metrics</a>, <a href="https://publications.waset.org/abstracts/search?q=performance%20measurement" title=" performance measurement"> performance measurement</a>, <a href="https://publications.waset.org/abstracts/search?q=supervised%20learning" title=" supervised learning"> supervised learning</a>, <a href="https://publications.waset.org/abstracts/search?q=unsupervised%20learning" title=" unsupervised learning"> unsupervised learning</a>, <a href="https://publications.waset.org/abstracts/search?q=reinforcement%20learning" title=" reinforcement learning"> reinforcement learning</a>, <a href="https://publications.waset.org/abstracts/search?q=model%20robustness%20and%20stability" title=" model robustness and stability"> model robustness and stability</a>, <a href="https://publications.waset.org/abstracts/search?q=comparative%20analysis" title=" comparative analysis"> comparative analysis</a> </p> <a href="https://publications.waset.org/abstracts/184552/evaluation-metrics-for-machine-learning-techniques-a-comprehensive-review-and-comparative-analysis-of-performance-measurement-approaches" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/184552.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">74</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">156</span> Energy Saving Potential of a Desiccant-Based Indirect-Direct Evaporative Cooling System</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Amirreza%20Heidari">Amirreza Heidari</a>, <a href="https://publications.waset.org/abstracts/search?q=Akram%20Avami"> Akram Avami</a>, <a href="https://publications.waset.org/abstracts/search?q=Ehsan%20Heidari"> Ehsan Heidari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Evaporative cooling systems are known as energy efficient cooling systems, with much lower electricity consumption than conventional vapor compression systems. A serious limitation of these systems, however, is that they are not applicable in humid regions. Combining a desiccant wheel with these systems, known as desiccant-based evaporative cooling systems, makes it possible to use evaporative cooling in humid climates. This paper evaluates the performane of a cooling system combining desiccant wheel, direct and indirect evaporative coolers (called desiccant-based indirect-direct evaporative cooling (DIDE) system) and then evaluates the energy saving potential of this system over the conventional vapor compression cooling and drying system. To illustrate the system ability of providing comfort conditions, a dynamic hourly simulation of this system is performed for a typical 60 m² building in Sydney, Australia. To evaluate the energy saving potential of this system, a conventional cooling and drying system is also simulated for the same cooling capacity. It has been found that the DIE system is able to provide comfort temperature and relative humidity in a subtropical humid climate like Sydney. The electricity and natural gas consumption of this system are respectively 39.2% and 2.6% lower than that of conventional system over a week. As the research has demonstrated, the innovative DIDE system is an energy efficient cooling system for subtropical humid regions. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=desiccant" title="desiccant">desiccant</a>, <a href="https://publications.waset.org/abstracts/search?q=evaporative%20cooling" title=" evaporative cooling"> evaporative cooling</a>, <a href="https://publications.waset.org/abstracts/search?q=dehumidification" title=" dehumidification"> dehumidification</a>, <a href="https://publications.waset.org/abstracts/search?q=indirect%20evaporative%20cooler" title=" indirect evaporative cooler"> indirect evaporative cooler</a> </p> <a href="https://publications.waset.org/abstracts/102350/energy-saving-potential-of-a-desiccant-based-indirect-direct-evaporative-cooling-system" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/102350.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">152</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">155</span> The Study of X- Bracing on Limit State Behaviour of Buckling Restrained Brace (BRB) in Steel Frames Using Pushover Analysis</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Peyman%20Shadman%20Heidari">Peyman Shadman Heidari</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamid%20Bastani"> Hamid Bastani</a>, <a href="https://publications.waset.org/abstracts/search?q=Pouya%20Shadman%20Heidari"> Pouya Shadman Heidari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Nowadays, using energy dampers in structures is highly considered for the dissipation and absorption of earthquake energy. The main advantage of using energy damper is absorbing the earthquake energy in some sections apart from the structure frame. Among different types of dampers, hysteresis dampers are of special place because of low cost, high reliability and the lack of mechanical parts. In this paper, a special kind of hysteresis damper is considered under the name of buckling brace, which is provided with the aim of the study and investigation of cross braces in boundary behaviour of steel frames using nonlinear static analysis. In this paper, ninety three models of steel frames with cross braces of buckling type are processed with different bays and heights and their plasticity index, behaviour coefficient, distribution type and the number of plastic hinges formed were calculated. Finally, the mean behaviour coefficient was compared with standard behaviour coefficient of 2800 and the suitable mode of braces placing in improving nonlinear behaviour and suitable distribution of plastic hinges were presented. In addition, it was determined that for some placing mode of braces the behaviour coefficient will increase to 15 times of recommended 2800 standard coefficient and in some placing modes, the braced bays will show considerable difference with suggested 2800 standard behaviour coefficient relative to each other. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=buckling%20restrained%20brace" title="buckling restrained brace">buckling restrained brace</a>, <a href="https://publications.waset.org/abstracts/search?q=plasticity%20index" title=" plasticity index"> plasticity index</a>, <a href="https://publications.waset.org/abstracts/search?q=behaviour%20coefficient" title=" behaviour coefficient"> behaviour coefficient</a>, <a href="https://publications.waset.org/abstracts/search?q=resistance%20coefficient" title=" resistance coefficient"> resistance coefficient</a>, <a href="https://publications.waset.org/abstracts/search?q=plastic%20joints" title=" plastic joints"> plastic joints</a> </p> <a href="https://publications.waset.org/abstracts/4251/the-study-of-x-bracing-on-limit-state-behaviour-of-buckling-restrained-brace-brb-in-steel-frames-using-pushover-analysis" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/4251.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">513</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">154</span> HCIO4-SiO2 Nanoparticles as an Efficient Catalyst for Three-Component Synthesis of Triazolo[1,2-A]Indazole-Triones</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hossein%20Anaraki-Ardakani">Hossein Anaraki-Ardakani</a>, <a href="https://publications.waset.org/abstracts/search?q=Tayebe%20Heidari-Rakati"> Tayebe Heidari-Rakati </a> </p> <p class="card-text"><strong>Abstract:</strong></p> An environmentally benign protocol for the one-pot, three-component synthesis of Triazolo[1,2-a]indazole-1,3,8-trione derivatives by condensation of dimedone, urazole and aromatic aldehydes catalyzed by HClO4/SiO2 NPS as an ecofriendly catalyst with high catalytic activity and reusability at 100 ºC under solvent-free conditions is reported. The reaction proceeds to completion within 20-30 min in 77-86 % yield. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=one-pot%20reaction" title="one-pot reaction">one-pot reaction</a>, <a href="https://publications.waset.org/abstracts/search?q=dimedone" title=" dimedone"> dimedone</a>, <a href="https://publications.waset.org/abstracts/search?q=triazoloindazole" title=" triazoloindazole"> triazoloindazole</a>, <a href="https://publications.waset.org/abstracts/search?q=urazole" title=" urazole"> urazole</a> </p> <a href="https://publications.waset.org/abstracts/18404/hcio4-sio2-nanoparticles-as-an-efficient-catalyst-for-three-component-synthesis-of-triazolo12-aindazole-triones" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/18404.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">372</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">153</span> Using Mechanical Alloying for Verification of Predicted Glass Forming Composition Range</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=F.%20Saadi">F. Saadi</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Fatahi"> M. Fatahi</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Heidari"> M. Heidari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Aim of this work was to determine the approximate glass forming composition range of Ni-Sn system for the alloys produced by mechanical alloying. It was predicted by Miedema semi-empirical model that the composition had to be in the range of 30-60 wt. % tin, while Ni-40Sn had the most susceptibility to produce amorphous alloy. In the next stage, some different compositions of Ni-Sn were mechanically alloyed, where one of them had the proper predicted composition. Products were characterized by XRD analysis. There was a good agreement between calculation and experiments, in which Ni-40Sn alloy had the most amorphization degree. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ni-Sn%20system" title="Ni-Sn system">Ni-Sn system</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20alloying" title=" mechanical alloying"> mechanical alloying</a>, <a href="https://publications.waset.org/abstracts/search?q=Amorphous%20alloy" title=" Amorphous alloy"> Amorphous alloy</a>, <a href="https://publications.waset.org/abstracts/search?q=Miedema%20model" title=" Miedema model"> Miedema model</a> </p> <a href="https://publications.waset.org/abstracts/33000/using-mechanical-alloying-for-verification-of-predicted-glass-forming-composition-range" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/33000.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">437</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">152</span> Functionalization of Carboxylated Single-Walled Carbon Nanotubes with 2-En 4-Hydroxy Cyclo 1-Octanon and Toxicity Investigation </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=D.%20ChobfroushKhoei">D. ChobfroushKhoei</a>, <a href="https://publications.waset.org/abstracts/search?q=S.%20K.%20Heidari"> S. K. Heidari </a>, <a href="https://publications.waset.org/abstracts/search?q=Sh.%20Dariadel"> Sh. Dariadel</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Carbon nanotubes were used in medical sciences especially in drug delivery system and cancer therapy. In this study, we functionalized carboxylated single-wall carbon nanotubes (SWNT-COOH) with 2-en 4-hydroxy cyclo 1-octanon. Synthesized sample was characterized by FT-IR, Raman spectroscopy, SEM, TGA and cellular investigations. The results showed well formation of SWNT-Ester. Cell viability assay results and microscopic observations demonstrated that cancerous cells were killed in the sample. The synthesized sample can be used as a toxic material for cancer therapy. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=MWNT-COOH" title="MWNT-COOH">MWNT-COOH</a>, <a href="https://publications.waset.org/abstracts/search?q=functionalization" title=" functionalization"> functionalization</a>, <a href="https://publications.waset.org/abstracts/search?q=phenylisocyanate" title=" phenylisocyanate"> phenylisocyanate</a>, <a href="https://publications.waset.org/abstracts/search?q=phenylisothiocyanate" title=" phenylisothiocyanate"> phenylisothiocyanate</a>, <a href="https://publications.waset.org/abstracts/search?q=1" title=" 1"> 1</a>, <a href="https://publications.waset.org/abstracts/search?q=4-phenylendiamine" title=" 4-phenylendiamine"> 4-phenylendiamine</a>, <a href="https://publications.waset.org/abstracts/search?q=toxicity%20investigation" title=" toxicity investigation "> toxicity investigation </a> </p> <a href="https://publications.waset.org/abstracts/10914/functionalization-of-carboxylated-single-walled-carbon-nanotubes-with-2-en-4-hydroxy-cyclo-1-octanon-and-toxicity-investigation" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/10914.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">453</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">151</span> Embodied Cognition as a Concept of Educational Neuroscience and Phenomenology</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elham%20Shirvani-Ghadikolaei">Elham Shirvani-Ghadikolaei</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we examine the connection between the human mind and body within the framework of Merleau-Ponty's phenomenology. We study the role of this connection in designing more efficient learning environments, alongside the findings in physical recognition and educational neuroscience. Our research shows the interplay between the mind and the body in the external world and discusses its implications. Based on these observations, we make suggestions as to how the educational system can benefit from taking into account the interaction between the mind and the body in educational affairs. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=educational%20neurosciences" title="educational neurosciences">educational neurosciences</a>, <a href="https://publications.waset.org/abstracts/search?q=embodied%20cognition" title=" embodied cognition"> embodied cognition</a>, <a href="https://publications.waset.org/abstracts/search?q=pedagogical%20neurosciences" title=" pedagogical neurosciences"> pedagogical neurosciences</a>, <a href="https://publications.waset.org/abstracts/search?q=phenomenology" title=" phenomenology"> phenomenology</a> </p> <a href="https://publications.waset.org/abstracts/73163/embodied-cognition-as-a-concept-of-educational-neuroscience-and-phenomenology" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/73163.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">316</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">150</span> Technical and Economic Analysis Effects of Various Parameters on the Performance of Heat Recovery System on Gas Complex Turbo Generators</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hefzollah%20Mohammadian">Hefzollah Mohammadian</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Bagher%20Heidari"> Mohammad Bagher Heidari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> This paper deals with the technical and economic effects of various parameters on the performance of heat recovery system on gas complex turbo generator. Given the importance of this issue, that is the main goal of economic efficiency and reduces costs; this project has been implemented similar plans in which the target is the implementation of specific patterns. The project will also help us in the process of gas refineries and the actual efficiency of the process after adding a system to analyze the turbine and predict potential problems and fix them and take appropriate measures according to the results of simulation analysis and results of the process gain. The results of modeling and the effect of different parameters on this line, have been done using Thermo Flow. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=turbo%20compressor" title="turbo compressor">turbo compressor</a>, <a href="https://publications.waset.org/abstracts/search?q=turbo%20generator" title=" turbo generator"> turbo generator</a>, <a href="https://publications.waset.org/abstracts/search?q=heat%20recovery%20boiler" title=" heat recovery boiler"> heat recovery boiler</a>, <a href="https://publications.waset.org/abstracts/search?q=gas%20turbines" title=" gas turbines"> gas turbines</a> </p> <a href="https://publications.waset.org/abstracts/52967/technical-and-economic-analysis-effects-of-various-parameters-on-the-performance-of-heat-recovery-system-on-gas-complex-turbo-generators" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52967.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">304</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">149</span> Analysis the Different Types of Nano Sensors on Based of Structure and It’s Applications on Nano Electronics</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hefzollah%20Mohammadiyan">Hefzollah Mohammadiyan</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Bagher%20Heidari"> Mohammad Bagher Heidari</a>, <a href="https://publications.waset.org/abstracts/search?q=Ensiyeh%20Hajeb"> Ensiyeh Hajeb</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper investigates and analyses the structure of nano sensors will be discussed. The structure can be classified based of nano sensors: quantum points, carbon nanotubes and nano tools, which details into each other and in turn are analyzed. Then will be fully examined to the Carbon nanotubes as chemical and mechanical sensors. The following discussion, be examined compares the advantages and disadvantages as different types of sensors and also it has feature and a wide range of applications in various industries. Finally, the structure and application of Chemical sensor transistors and the sensors will be discussed in air pollution control. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=carbon%20nanotubes" title="carbon nanotubes">carbon nanotubes</a>, <a href="https://publications.waset.org/abstracts/search?q=quantum%20points" title=" quantum points"> quantum points</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20sensors" title=" chemical sensors"> chemical sensors</a>, <a href="https://publications.waset.org/abstracts/search?q=mechanical%20sensors" title=" mechanical sensors"> mechanical sensors</a>, <a href="https://publications.waset.org/abstracts/search?q=chemical%20sensor%20transistors" title=" chemical sensor transistors"> chemical sensor transistors</a>, <a href="https://publications.waset.org/abstracts/search?q=single%20walled%20nanotube%20%28SWNT%29" title=" single walled nanotube (SWNT)"> single walled nanotube (SWNT)</a>, <a href="https://publications.waset.org/abstracts/search?q=atomic%20force%20microscope%20%28AFM%29" title=" atomic force microscope (AFM)"> atomic force microscope (AFM)</a> </p> <a href="https://publications.waset.org/abstracts/36405/analysis-the-different-types-of-nano-sensors-on-based-of-structure-and-its-applications-on-nano-electronics" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36405.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">450</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">148</span> Evolution of Cord Absorbed Dose during Larynx Cancer Radiotherapy, with 3D Treatment Planning and Tissue Equivalent Phantom</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Hassan%20Heidari">Mohammad Hassan Heidari</a>, <a href="https://publications.waset.org/abstracts/search?q=Amir%20Hossein%20Goodarzi"> Amir Hossein Goodarzi</a>, <a href="https://publications.waset.org/abstracts/search?q=Majid%20Azarniush"> Majid Azarniush</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Radiation doses to tissues and organs were measured using the anthropomorphic phantom as an equivalent to the human body. When high-energy X-rays are externally applied to treat laryngeal cancer, the absorbed dose at the laryngeal lumen is lower than given dose because of air space which it should pass through before reaching the lesion. Specially in case of high-energy X-rays, the loss of dose is considerable. Three-dimensional absorbed dose distributions have been computed for high-energy photon radiation therapy of laryngeal and hypo pharyngeal cancers, using a coaxial pair of opposing lateral beams in fixed positions. Treatment plans obtained under various conditions of irradiation. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=3D%20treatment%20planning" title="3D treatment planning">3D treatment planning</a>, <a href="https://publications.waset.org/abstracts/search?q=anthropomorphic%20phantom" title=" anthropomorphic phantom"> anthropomorphic phantom</a>, <a href="https://publications.waset.org/abstracts/search?q=larynx%20cancer" title=" larynx cancer"> larynx cancer</a>, <a href="https://publications.waset.org/abstracts/search?q=radiotherapy" title=" radiotherapy "> radiotherapy </a> </p> <a href="https://publications.waset.org/abstracts/3432/evolution-of-cord-absorbed-dose-during-larynx-cancer-radiotherapy-with-3d-treatment-planning-and-tissue-equivalent-phantom" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/3432.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">547</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">147</span> The Effect of Human Capital and Oil Revenue on Income Distribution in Real Sample</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Marjan%20Majdi">Marjan Majdi</a>, <a href="https://publications.waset.org/abstracts/search?q=MohammadAli%20Moradi"> MohammadAli Moradi</a>, <a href="https://publications.waset.org/abstracts/search?q=Elham%20Samarikhalaj"> Elham Samarikhalaj</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Income distribution is one of the most topics in macro economic theories. There are many categories in economy such as income distribution that have the most influenced by economic policies. Human capital has an impact on economic growth and it has significant effect on income distributions. The results of this study confirm that the effects of oil revenue and human capital on income distribution are negative and significant but the value of the estimated coefficient is too small in a real sample in period time (1969-2006). <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=gini%20coefficient" title="gini coefficient">gini coefficient</a>, <a href="https://publications.waset.org/abstracts/search?q=human%20capital" title=" human capital"> human capital</a>, <a href="https://publications.waset.org/abstracts/search?q=income%20distribution" title=" income distribution"> income distribution</a>, <a href="https://publications.waset.org/abstracts/search?q=oil%20revenue" title=" oil revenue"> oil revenue</a> </p> <a href="https://publications.waset.org/abstracts/27395/the-effect-of-human-capital-and-oil-revenue-on-income-distribution-in-real-sample" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/27395.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">636</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">146</span> Preconcentration and Determination of Lead Ion in Environmental Samples by Poly Urea-Formaldehyde</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elham%20Moniri">Elham Moniri</a>, <a href="https://publications.waset.org/abstracts/search?q=Parvane%20Bozorgniya"> Parvane Bozorgniya</a>, <a href="https://publications.waset.org/abstracts/search?q=Hamidreza%20Shahbazi"> Hamidreza Shahbazi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this research, poly urea-formaldehyde was prepared. The poly urea-formaldehyde was characterized by fourier transform infra-red spectroscopy. Then the effects of various parameters on Pb(II) sorption such as pH, contact time were studied. The optimum pH value for sorption of Pb(II) was 5. The sorption capacity of poly urea-formaldehyde for Pb(II) were 40 mg g−1. A Pb(II) removal of 90% was obtained. The profile of Pb(II) uptake on this sorbent reflects good accessibility of the chelating sites in the poly urea-formaldehyde. The developed method was utilized for determination of Pb(II) in environmental water samples by flame atomic absorption spectrometry with satisfactory results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=poly%20urea-formaldehyde" title="poly urea-formaldehyde">poly urea-formaldehyde</a>, <a href="https://publications.waset.org/abstracts/search?q=lead%20Ion" title=" lead Ion"> lead Ion</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20sample" title=" environmental sample"> environmental sample</a>, <a href="https://publications.waset.org/abstracts/search?q=determination" title=" determination "> determination </a> </p> <a href="https://publications.waset.org/abstracts/15683/preconcentration-and-determination-of-lead-ion-in-environmental-samples-by-poly-urea-formaldehyde" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15683.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">300</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">145</span> Application of Fuzzy Clustering on Classification Agile Supply Chain</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hamidreza%20Fallah%20Lajimi">Hamidreza Fallah Lajimi </a>, <a href="https://publications.waset.org/abstracts/search?q=Elham%20Karami"> Elham Karami</a>, <a href="https://publications.waset.org/abstracts/search?q=Fatemeh%20Ali%20nasab"> Fatemeh Ali nasab</a>, <a href="https://publications.waset.org/abstracts/search?q=Mostafa%20Mahdavikia"> Mostafa Mahdavikia</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Being responsive is an increasingly important skill for firms in today’s global economy; thus firms must be agile. Naturally, it follows that an organization’s agility depends on its supply chain being agile. However, achieving supply chain agility is a function of other abilities within the organization. This paper analyses results from a survey of 71 Iran manufacturing companies in order to identify some of the factors for agile organizations in managing their supply chains. Then we classification this company in four cluster with fuzzy c-mean technique and with four validations functional determine automatically the optimal number of clusters. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=agile%20supply%20chain" title="agile supply chain">agile supply chain</a>, <a href="https://publications.waset.org/abstracts/search?q=clustering" title=" clustering"> clustering</a>, <a href="https://publications.waset.org/abstracts/search?q=fuzzy%20clustering" title=" fuzzy clustering"> fuzzy clustering</a> </p> <a href="https://publications.waset.org/abstracts/28115/application-of-fuzzy-clustering-on-classification-agile-supply-chain" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28115.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">475</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">144</span> Isotherm Study of Modified Zeolite in Sorption of Naphthalene from Water Sample</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Homayon%20Ahmad%20Panahi">Homayon Ahmad Panahi</a>, <a href="https://publications.waset.org/abstracts/search?q=Amir%20Hesam%20Hassani"> Amir Hesam Hassani</a>, <a href="https://publications.waset.org/abstracts/search?q=Akram%20Torki"> Akram Torki</a>, <a href="https://publications.waset.org/abstracts/search?q=Elham%20Moniri"> Elham Moniri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A new sorbent was synthesized through chemical modification of clinoptilolite zeolite using 2-naphtol, and characterized with fourier transform infrared spectroscopy and elemental analysis methods and applied for the removal and elimination of trace naphthalene from water samples. The optimum pH value for sorption of the naphthalene by modified zeolite was in acidic pH. The sorption capacity of modified zeolite was 142 mg. g−1. Isotherm models, Langmuir, Frendlich and Temkin were employed to analyze the adsorption capacity of modified zeolite, which revealed that naphthalene adsorption by this zeolite follows Langmuir model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=zeolite" title="zeolite">zeolite</a>, <a href="https://publications.waset.org/abstracts/search?q=clinoptilolite" title=" clinoptilolite"> clinoptilolite</a>, <a href="https://publications.waset.org/abstracts/search?q=modification" title=" modification"> modification</a>, <a href="https://publications.waset.org/abstracts/search?q=naphthalene" title=" naphthalene"> naphthalene</a> </p> <a href="https://publications.waset.org/abstracts/35383/isotherm-study-of-modified-zeolite-in-sorption-of-naphthalene-from-water-sample" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35383.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">490</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">143</span> Pricing European Continuous-Installment Options under Regime-Switching Models</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Saghar%20Heidari">Saghar Heidari</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this paper, we study the valuation problem of European continuous-installment options under Markov-modulated models with a partial differential equation approach. Due to the opportunity for continuing or stopping to pay installments, the valuation problem under regime-switching models can be formulated as coupled partial differential equations (CPDE) with free boundary features. To value the installment options, we express the truncated CPDE as a linear complementarity problem (LCP), then a finite element method is proposed to solve the resulted variational inequality. Under some appropriate assumptions, we establish the stability of the method and illustrate some numerical results to examine the rate of convergence and accuracy of the proposed method for the pricing problem under the regime-switching model. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=continuous-installment%20option" title="continuous-installment option">continuous-installment option</a>, <a href="https://publications.waset.org/abstracts/search?q=European%20option" title=" European option"> European option</a>, <a href="https://publications.waset.org/abstracts/search?q=regime-switching%20model" title=" regime-switching model"> regime-switching model</a>, <a href="https://publications.waset.org/abstracts/search?q=finite%20element%20method" title=" finite element method"> finite element method</a> </p> <a href="https://publications.waset.org/abstracts/130909/pricing-european-continuous-installment-options-under-regime-switching-models" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/130909.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">137</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">142</span> Application of Fuzzy Clustering on Classification Agile Supply Chain Firms</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hamidreza%20Fallah%20Lajimi">Hamidreza Fallah Lajimi</a>, <a href="https://publications.waset.org/abstracts/search?q=Elham%20Karami"> Elham Karami</a>, <a href="https://publications.waset.org/abstracts/search?q=Alireza%20Arab"> Alireza Arab</a>, <a href="https://publications.waset.org/abstracts/search?q=Fatemeh%20Alinasab"> Fatemeh Alinasab</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Being responsive is an increasingly important skill for firms in today’s global economy; thus firms must be agile. Naturally, it follows that an organization’s agility depends on its supply chain being agile. However, achieving supply chain agility is a function of other abilities within the organization. This paper analyses results from a survey of 71 Iran manufacturing companies in order to identify some of the factors for agile organizations in managing their supply chains. Then we classification this company in four cluster with fuzzy c-mean technique and with Four validations functional determine automatically the optimal number of clusters. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=agile%20supply%20chain" title="agile supply chain">agile supply chain</a>, <a href="https://publications.waset.org/abstracts/search?q=clustering" title=" clustering"> clustering</a>, <a href="https://publications.waset.org/abstracts/search?q=fuzzy%20clustering" title=" fuzzy clustering"> fuzzy clustering</a>, <a href="https://publications.waset.org/abstracts/search?q=business%20engineering" title=" business engineering"> business engineering</a> </p> <a href="https://publications.waset.org/abstracts/28866/application-of-fuzzy-clustering-on-classification-agile-supply-chain-firms" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/28866.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">713</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">141</span> Densities and Viscosities of Binary Mixture Containing Diethylamine and 2-Alkanol</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elham%20jassemi%20Zargani">Elham jassemi Zargani</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20almasi"> Mohammad almasi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Densities and viscosities for binary mixtures of diethylamine + 2 Alkanol (2 propanol up to 2 pentanol) were measured over the entire composition range and temperature interval of 293.15 to 323.15 K. Excess molar volumes V_m^E and viscosity deviations Δη were calculated and correlated by the Redlich−Kister type function to derive the coefficients and estimate the standard error. For mixtures of diethylamine with used 2-alkanols, V_m^E and Δη are negative over the entire range of mole fraction. The observed variations of these parameters, with alkanols chain length and temperature, are discussed in terms of the inter-molecular interactions between the unlike molecules of the binary mixtures. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=densities" title="densities">densities</a>, <a href="https://publications.waset.org/abstracts/search?q=viscosities" title=" viscosities"> viscosities</a>, <a href="https://publications.waset.org/abstracts/search?q=diethylamine" title=" diethylamine"> diethylamine</a>, <a href="https://publications.waset.org/abstracts/search?q=2-alkanol" title=" 2-alkanol"> 2-alkanol</a>, <a href="https://publications.waset.org/abstracts/search?q=Redlich-Kister" title=" Redlich-Kister "> Redlich-Kister </a> </p> <a href="https://publications.waset.org/abstracts/14020/densities-and-viscosities-of-binary-mixture-containing-diethylamine-and-2-alkanol" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/14020.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">388</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">140</span> Poly Urea-Formaldehyde for Preconcentration and Determination of Cadmium Ion in Environmental Samples</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Homayon%20Ahmad%20Panahi">Homayon Ahmad Panahi</a>, <a href="https://publications.waset.org/abstracts/search?q=Samira%20Tajik"> Samira Tajik</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohamad%20Hadi%20Dehghani"> Mohamad Hadi Dehghani</a>, <a href="https://publications.waset.org/abstracts/search?q=Mostafa%20Khezri"> Mostafa Khezri</a>, <a href="https://publications.waset.org/abstracts/search?q=Elham%20Moniri"> Elham Moniri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this research, poly urea-formaldehyde was prepared. The poly urea-formaldehyde was characterized by fourier transform infra-red spectroscopy. Then the effects of various parameters on Cd (II) sorption such as pH, contact time were studied. The optimum pH value for sorption of Cd(II) was 5.5. The sorption capacity of poly urea-formaldehyde for Cd (II) were 76.3 mg g−1. A Cd (II) removal of 55% was obtained. The profile of Cd (II) uptake on this sorbent reflects good accessibility of the chelating sites in the poly urea-formaldehyde. The developed method was utilized for determination of Cd (II) in environmental water samples by flame atomic absorption spectrometry with satisfactory results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=poly%20urea-formaldehyde" title="poly urea-formaldehyde">poly urea-formaldehyde</a>, <a href="https://publications.waset.org/abstracts/search?q=cadmium%20ion" title=" cadmium ion"> cadmium ion</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20sample" title=" environmental sample"> environmental sample</a>, <a href="https://publications.waset.org/abstracts/search?q=determination" title=" determination "> determination </a> </p> <a href="https://publications.waset.org/abstracts/15609/poly-urea-formaldehyde-for-preconcentration-and-determination-of-cadmium-ion-in-environmental-samples" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/15609.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">548</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">139</span> Determination and Preconcentration of Chromium Ion in Environmental Samples by Clinoptilolite Zeolite</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elham%20Moniri">Elham Moniri</a>, <a href="https://publications.waset.org/abstracts/search?q=Homayon%20Ahmad%20Panahi"> Homayon Ahmad Panahi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mitra%20Hoseini"> Mitra Hoseini</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this research, clinoptilolite zeolite was prepared. The zeolite was characterized by fourier transform infra-red spectroscopy. Then the effects of various parameters on Cr(III) sorption such as pH, contact time were studied. The optimum pH value for sorption of Cr(III) was 6 respectively. The sorption capacity of zeolite for Cr(III) were 7.9 mg g−1. A recovery of 89% was obtained for the metal ions with 0.5 M nitric acid as the eluting agent. The effects of interfering ions on Cr(III) sorption was also investigated. The profile of Cr(III) uptake on this sorbent reflects a good accessibility of the chelating sites in the clinoptilolite zeolite. The developed method was utilized for the determination of Cr(III) in environmental water samples by flame atomic absorption spectrometry with satisfactory results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=clinoptilolite%20zeolite" title="clinoptilolite zeolite">clinoptilolite zeolite</a>, <a href="https://publications.waset.org/abstracts/search?q=chromium" title=" chromium"> chromium</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20sample" title=" environmental sample"> environmental sample</a>, <a href="https://publications.waset.org/abstracts/search?q=determination" title=" determination "> determination </a> </p> <a href="https://publications.waset.org/abstracts/1522/determination-and-preconcentration-of-chromium-ion-in-environmental-samples-by-clinoptilolite-zeolite" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1522.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">445</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">138</span> Synthesis of Ion Imprinted Polymer for Removal of Chromium(III) Ion in Environmental Samples </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elham%20Moniri">Elham Moniri</a>, <a href="https://publications.waset.org/abstracts/search?q=Zohre%20Moradi"> Zohre Moradi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this study, ion imprinted poly urea-formaldehyde was prepared. The morphology imprinted polymer was studied by scanning electron microscopy. Then, the effects of various parameters on Cr(III) sorption such as pH, contact time were investigated. The optimum pH value for sorption of Cr(III) was 6. The sorption capacity of imprinted poly urea-formaldehyde for Cr(III) were 4 mg.g−1. A Cr(III) removal of 97-98% was obtained. The profile of Cr(III) uptake on this sorbent reflects good accessibility of the chelating sites in the imprinted poly urea-formaldehyde. The developed method was utilized for determination of Cr(III) in environmental water samples by flame atomic absorption spectrometry with satisfactory results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=chromium%20ion" title="chromium ion">chromium ion</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20sample" title=" environmental sample"> environmental sample</a>, <a href="https://publications.waset.org/abstracts/search?q=elimination" title=" elimination"> elimination</a>, <a href="https://publications.waset.org/abstracts/search?q=imprinted%20poly%20urea-formaldehyde" title=" imprinted poly urea-formaldehyde"> imprinted poly urea-formaldehyde</a>, <a href="https://publications.waset.org/abstracts/search?q=polymeric%20sorbent" title=" polymeric sorbent"> polymeric sorbent</a> </p> <a href="https://publications.waset.org/abstracts/35358/synthesis-of-ion-imprinted-polymer-for-removal-of-chromiumiii-ion-in-environmental-samples" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/35358.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">296</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">137</span> Optimization and Design of Current-Mode Multiplier Circuits with Applications in Analog Signal Processing for Gas Industrial Package Systems</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Mohamad%20Baqer%20Heidari">Mohamad Baqer Heidari</a>, <a href="https://publications.waset.org/abstracts/search?q=Hefzollah.Mohammadian"> Hefzollah.Mohammadian </a> </p> <p class="card-text"><strong>Abstract:</strong></p> This brief presents two original implementations of improved accuracy current-mode multiplier/divider circuits. Besides the advantage of their simplicity, these original multiplier/divider structures present the advantage of very small linearity errors that can be obtained as a result of the proposed design techniques (0.75% and 0.9%, respectively, for an extended range of the input currents). The original multiplier/divider circuits permit a facile reconfiguration, the presented structures representing the functional basis for implementing complex function synthesizer circuits. The proposed computational structures are designed for implementing in 0.18-µm CMOS technology, with a low-voltage operation (a supply voltage of 1.2 V). The circuits’ power consumptions are 60 and 75 µW, respectively, while their frequency bandwidths are 79.6 and 59.7 MHz, respectively. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=analog%20signal%20processing" title="analog signal processing">analog signal processing</a>, <a href="https://publications.waset.org/abstracts/search?q=current-mode%20%20operation" title=" current-mode operation"> current-mode operation</a>, <a href="https://publications.waset.org/abstracts/search?q=functional%20core" title=" functional core"> functional core</a>, <a href="https://publications.waset.org/abstracts/search?q=multiplier" title=" multiplier"> multiplier</a>, <a href="https://publications.waset.org/abstracts/search?q=reconfigurable%20circuits" title=" reconfigurable circuits"> reconfigurable circuits</a>, <a href="https://publications.waset.org/abstracts/search?q=industrial%20package%20systems" title=" industrial package systems"> industrial package systems</a> </p> <a href="https://publications.waset.org/abstracts/36406/optimization-and-design-of-current-mode-multiplier-circuits-with-applications-in-analog-signal-processing-for-gas-industrial-package-systems" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/36406.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">374</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">136</span> Stability of Ochratoxin a During Bread Making Process</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Sara%20Heidari">Sara Heidari</a>, <a href="https://publications.waset.org/abstracts/search?q=Jafar%20Mohammadzadeh%20Milani"> Jafar Mohammadzadeh Milani</a>, <a href="https://publications.waset.org/abstracts/search?q=Elmira%20Pouladi%20Borj"> Elmira Pouladi Borj</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this research, stability of Ochratoxin A (OTA) during bread making process including fermentation with yeasts (Saccharomyces cerevisiae) and Sourdough (Lactobacillus casei, Lactobacillus rhamnosus, Lactobacillus acidophilus and Lactobacillus fermentum) and baking at 200°C were examined. Bread was prepared on a pilot-plant scale by using wheat flour spiked with standard solution of OTA. During this process, mycotoxin levels were determined after fermentation of the dough with sourdough and three types of yeast including active dry yeast, instant dry yeast and compressed yeast after further baking 200°C by high performance liquid chromatography (HPLC) with ﬂuorescence detector after extraction and clean-up on an immunoafﬁnity column. According to the results, the highest stability of was observed in the first fermentation (first proof), while the lowest stability was observed in the baking stage in comparison to contaminated flour. In addition, compressed yeast showed the maximum impact on stability of OTA during bread making process. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ochratoxin%20A" title="Ochratoxin A">Ochratoxin A</a>, <a href="https://publications.waset.org/abstracts/search?q=bread" title=" bread"> bread</a>, <a href="https://publications.waset.org/abstracts/search?q=dough" title=" dough"> dough</a>, <a href="https://publications.waset.org/abstracts/search?q=yeast" title=" yeast"> yeast</a>, <a href="https://publications.waset.org/abstracts/search?q=sourdough" title=" sourdough"> sourdough</a> </p> <a href="https://publications.waset.org/abstracts/25928/stability-of-ochratoxin-a-during-bread-making-process" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/25928.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">576</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">135</span> The Challenges of Hyper-Textual Learning Approach for Religious Education</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Elham%20Shirvani%E2%80%93Ghadikolaei">Elham Shirvani–Ghadikolaei</a>, <a href="https://publications.waset.org/abstracts/search?q=Seyed%20Mahdi%20Sajjadi"> Seyed Mahdi Sajjadi</a> </p> <p class="card-text"><strong>Abstract:</strong></p> State of the art technology has the tremendous impact on our life, in this situation education system have been influenced as well as. In this paper, tried to compare two space of learning text and hypertext with each other, and some challenges of using hypertext in religious education. Regarding the fact that, hypertext is an undeniable part of learning in this world and it has highly beneficial for the education process from class to office and home. In this paper tried to solve this question: the consequences and challenges of applying hypertext in religious education. Also, the consequences of this survey demonstrate the role of curriculum designer and planner of education to solve this problem. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hyper-textual" title="Hyper-textual">Hyper-textual</a>, <a href="https://publications.waset.org/abstracts/search?q=learning" title=" learning"> learning</a>, <a href="https://publications.waset.org/abstracts/search?q=religious%20education" title=" religious education"> religious education</a>, <a href="https://publications.waset.org/abstracts/search?q=learning%20text" title=" learning text"> learning text</a> </p> <a href="https://publications.waset.org/abstracts/60101/the-challenges-of-hyper-textual-learning-approach-for-religious-education" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/60101.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">134</span> Removal of Samarium in Environmental Water Samples by Modified Yeast Cells</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Homayon%20Ahmad%20Panahi">Homayon Ahmad Panahi</a>, <a href="https://publications.waset.org/abstracts/search?q=Seyed%20Mehdi%20Seyed%20Nejad"> Seyed Mehdi Seyed Nejad</a>, <a href="https://publications.waset.org/abstracts/search?q=Elham%20Moniri"> Elham Moniri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A novel bio-adsorbent is fabricated by attaching a cibacron blue to yeast cells. The modified bio-sorbent has been characterized by some techniques like Fourier transform infrared spectroscopy (FT-IR) and elemental analysis (CHN) and applied for the preconcentration and determination of samarium from aqueous water samples. The best pH value for adsorption of the brilliant crecyle blue by yeast cells- cibacron blue was 7. The sorption capacity of modified biosorbent was 18.5 mg. g⁻¹. A recovery of 95.3% was obtained for Sm(III) when eluted with 0.5 M nitric acid. The method was applied for Sm(III) preconcentration and determination in river water sample. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=samarium" title="samarium">samarium</a>, <a href="https://publications.waset.org/abstracts/search?q=solid%20phase%20extraction" title=" solid phase extraction"> solid phase extraction</a>, <a href="https://publications.waset.org/abstracts/search?q=yeast%20cells" title=" yeast cells"> yeast cells</a>, <a href="https://publications.waset.org/abstracts/search?q=water%20sample" title=" water sample"> water sample</a>, <a href="https://publications.waset.org/abstracts/search?q=removal" title=" removal"> removal</a> </p> <a href="https://publications.waset.org/abstracts/76122/removal-of-samarium-in-environmental-water-samples-by-modified-yeast-cells" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/76122.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">255</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">133</span> A Highly Sensitive Dip Strip for Detection of Phosphate in Water</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Hojat%20Heidari-Bafroui">Hojat Heidari-Bafroui</a>, <a href="https://publications.waset.org/abstracts/search?q=Amer%20Charbaji"> Amer Charbaji</a>, <a href="https://publications.waset.org/abstracts/search?q=Constantine%20Anagnostopoulos"> Constantine Anagnostopoulos</a>, <a href="https://publications.waset.org/abstracts/search?q=Mohammad%20Faghri"> Mohammad Faghri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Phosphorus is an essential nutrient for plant life which is most frequently found as phosphate in water. Once phosphate is found in abundance in surface water, a series of adverse effects on an ecosystem can be initiated. Therefore, a portable and reliable method is needed to monitor the phosphate concentrations in the field. In this paper, an inexpensive dip strip device with the ascorbic acid/antimony reagent dried on blotting paper along with wet chemistry is developed for the detection of low concentrations of phosphate in water. Ammonium molybdate and sulfuric acid are separately stored in liquid form so as to improve significantly the lifetime of the device and enhance the reproducibility of the device’s performance. The limit of detection and quantification for the optimized device are 0.134 ppm and 0.472 ppm for phosphate in water, respectively. The device’s shelf life, storage conditions, and limit of detection are superior to what has been previously reported for the paper-based phosphate detection devices. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=phosphate%20detection" title="phosphate detection">phosphate detection</a>, <a href="https://publications.waset.org/abstracts/search?q=paper-based%20device" title=" paper-based device"> paper-based device</a>, <a href="https://publications.waset.org/abstracts/search?q=molybdenum%20blue%20method" title=" molybdenum blue method"> molybdenum blue method</a>, <a href="https://publications.waset.org/abstracts/search?q=colorimetric%20assay" title=" colorimetric assay"> colorimetric assay</a> </p> <a href="https://publications.waset.org/abstracts/134960/a-highly-sensitive-dip-strip-for-detection-of-phosphate-in-water" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/134960.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">170</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">132</span> Hydrogen Permeability of BSCY Proton-Conducting Perovskite Membrane </h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=M.%20Heidari">M. Heidari</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Safekordi"> A. Safekordi</a>, <a href="https://publications.waset.org/abstracts/search?q=A.%20Zamaniyan"> A. Zamaniyan</a>, <a href="https://publications.waset.org/abstracts/search?q=E.%20Ganji%20Babakhani"> E. Ganji Babakhani</a>, <a href="https://publications.waset.org/abstracts/search?q=M.%20Amanipour"> M. Amanipour</a> </p> <p class="card-text"><strong>Abstract:</strong></p> Perovskite-type membrane Ba<sub>0.5</sub>Sr<sub>0.5</sub>Ce<sub>0.9</sub>Y<sub>0.1</sub>O<sub>3-δ</sub> (BSCY) was successfully synthesized by liquid citrate method. The hydrogen permeation and stability of BSCY perovskite-type membranes were studied at high temperatures. The phase structure of the powder was characterized by X-ray diffraction (XRD). Scanning electron microscopy (SEM) was used to characterize microstructures of the membrane sintered under various conditions. SEM results showed that increasing in sintering temperature, formed dense membrane with clear grains. XRD results for BSCY membrane that sintered in 1150 °C indicated single phase perovskite structure with orthorhombic configuration, and SEM results showed dense structure with clear grain size which is suitable for permeation tests. Partial substitution of Sr with Ba in SCY structure improved the hydrogen permeation flux through the membrane due to the larger ionic radius of Ba<sup>2+</sup>. BSCY membrane shows high hydrogen permeation flux of 1.6 ml/min.cm<sup>2</sup> at 900 °C and partial pressure of 0.6. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=hydrogen%20separation" title="hydrogen separation">hydrogen separation</a>, <a href="https://publications.waset.org/abstracts/search?q=perovskite" title=" perovskite"> perovskite</a>, <a href="https://publications.waset.org/abstracts/search?q=proton%20conducting%20membrane." title=" proton conducting membrane."> proton conducting membrane.</a> </p> <a href="https://publications.waset.org/abstracts/54608/hydrogen-permeability-of-bscy-proton-conducting-perovskite-membrane" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/54608.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">131</span> The Rehabilitation Solutions for the Hydraulic Jump Sweepout: A Case Study from India</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Ali%20Heidari">Ali Heidari</a>, <a href="https://publications.waset.org/abstracts/search?q=Hany%20Saleem"> Hany Saleem</a> </p> <p class="card-text"><strong>Abstract:</strong></p> The tailwater requirements are important criteria in the design of the stilling basins as energy dissipation of the spillways. The adequate tailwater level that ensures the hydraulic jump inside the basin should be fulfilled by the river's natural water level and the apron depth downstream of the chute. The requirements of the hydraulic jump should mainly be checked for the design flood, however, the drawn jump condition should not be critical in the discharges lesser than the design flood. The tailwater requirement is not met in Almatti dam, built in 2005 in India, and the jump sweep out from the basin, resulting in significant scour in the apron and end sill of the basin. This paper discusses different hydraulic solutions as sustainable solutions for the rehabilitation program. The deep apron alternative is proposed for the fewer bays of the spillway as the most cost-effective, sustainable solution. The apron level of 15 gates out of 26 gates should decrease by 5.4 m compared to the existing design to ensure a safe hydraulic jump up to the discharge of 10,000 m3/s i.e. 30% of the updated PMF. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=dam" title="dam">dam</a>, <a href="https://publications.waset.org/abstracts/search?q=spillway" title=" spillway"> spillway</a>, <a href="https://publications.waset.org/abstracts/search?q=stilling%20basin" title=" stilling basin"> stilling basin</a>, <a href="https://publications.waset.org/abstracts/search?q=Almatti" title=" Almatti"> Almatti</a> </p> <a href="https://publications.waset.org/abstracts/185223/the-rehabilitation-solutions-for-the-hydraulic-jump-sweepout-a-case-study-from-india" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/185223.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">57</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">130</span> Removal of Brilliant Green in Environmental Samples by Poly Ethylene Terephthalate Granule</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Homayon%20Ahmad%20Panahi">Homayon Ahmad Panahi</a>, <a href="https://publications.waset.org/abstracts/search?q=Nika%20Shakerin"> Nika Shakerin</a>, <a href="https://publications.waset.org/abstracts/search?q=Farahnaz%20Zolriasatain"> Farahnaz Zolriasatain</a>, <a href="https://publications.waset.org/abstracts/search?q=Elham%20Moniri"> Elham Moniri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> In this research, poly-ethylene terephthalate granule was prepared from Tak Corporation. The granule was characterized by fourier transform infra-red spectroscopy. Then the effects of various parameters on brilliant green sorption such as pH, contact time were studied. The optimum pH value for sorption of brilliant green was 6. The sorption capacity of the granule for brilliant green was 4.6 mg g−1. The profile of brilliant green uptake on this sorbent reflects a good accessibility of the chelating sites in the poly-ethylene terephthalate granule. The developed method was utilized for the determination of brilliant green in environmental water samples by UV/Vis spectrophotometry with satisfactory results. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=poly-ethylene%20terephthalate%20granule" title="poly-ethylene terephthalate granule">poly-ethylene terephthalate granule</a>, <a href="https://publications.waset.org/abstracts/search?q=brilliant%20green" title=" brilliant green"> brilliant green</a>, <a href="https://publications.waset.org/abstracts/search?q=environmental%20sample" title=" environmental sample"> environmental sample</a>, <a href="https://publications.waset.org/abstracts/search?q=removal" title=" removal"> removal</a> </p> <a href="https://publications.waset.org/abstracts/1520/removal-of-brilliant-green-in-environmental-samples-by-poly-ethylene-terephthalate-granule" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/1520.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">129</span> Magnetic Field Generation in Inhomogeneous Plasma via Ponderomotive Force</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Fatemeh%20Shahi">Fatemeh Shahi</a>, <a href="https://publications.waset.org/abstracts/search?q=Mehdi%20Sharifian"> Mehdi Sharifian</a>, <a href="https://publications.waset.org/abstracts/search?q=Laia%20Shahrassai"> Laia Shahrassai</a>, <a href="https://publications.waset.org/abstracts/search?q=Elham%20Eskandari%20A."> Elham Eskandari A.</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A new mechanism is reported here for magnetic field generation in laser-plasma interaction by means of nonlinear ponderomotive force. The plasma considered here is unmagnetized inhomogeneous plasma with an exponentially decreasing profile. A damped periodic magnetic field with a relatively lower frequency is obtained using the ponderomotive force exerted on plasma electrons. Finally, with an electric field and by using Faraday’s law, the magnetic field profile in the plasma has been obtained. Because of the negative exponential density profile, the generated magnetic field is relatively slowly oscillating and damped through the plasma. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=magnetic%20field%20generation" title="magnetic field generation">magnetic field generation</a>, <a href="https://publications.waset.org/abstracts/search?q=laser-plasma%20interaction" title=" laser-plasma interaction"> laser-plasma interaction</a>, <a href="https://publications.waset.org/abstracts/search?q=ponderomotive%20force" title=" ponderomotive force"> ponderomotive force</a>, <a href="https://publications.waset.org/abstracts/search?q=inhomogeneous%20plasma" title=" inhomogeneous plasma"> inhomogeneous plasma</a> </p> <a href="https://publications.waset.org/abstracts/134152/magnetic-field-generation-in-inhomogeneous-plasma-via-ponderomotive-force" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/134152.pdf" target="_blank" class="btn btn-primary btn-sm">PDF</a> <span class="bg-info text-light px-1 py-1 float-right rounded"> Downloads <span class="badge badge-light">293</span> </span> </div> </div> <div class="card paper-listing mb-3 mt-3"> <h5 class="card-header" style="font-size:.9rem"><span class="badge badge-info">128</span> Chemical Modification of Biosorbent for Prconcentation of Cadmium in Water Sample</h5> <div class="card-body"> <p class="card-text"><strong>Authors:</strong> <a href="https://publications.waset.org/abstracts/search?q=Homayon%20Ahmad%20Panahi">Homayon Ahmad Panahi</a>, <a href="https://publications.waset.org/abstracts/search?q=Niusha%20Mohseni%20Darabi"> Niusha Mohseni Darabi</a>, <a href="https://publications.waset.org/abstracts/search?q=Elham%20Moniri"> Elham Moniri</a> </p> <p class="card-text"><strong>Abstract:</strong></p> A new biosorbent is prepared by coupling a cibacron blue to yeast cells. The modified yeast cells with cibacron blue has been characterized by Fourier transform infrared spectroscopy (FT-IR) and elemental analysis and applied for the preconcentration and solid phase extraction of trace cadmium ion from water samples. The optimum pH value for sorption of the cadmium ions by yeast cells- cibacron blue was 5.5. The sorption capacity of modified biosorbent was 45 mg. g−1. A recovery of 98.2% was obtained for Cd(II) when eluted with 0.5 M nitric acid. The method was applied for Cd(II) preconcentration and determination in sea water sample. <p class="card-text"><strong>Keywords:</strong> <a href="https://publications.waset.org/abstracts/search?q=solid%20phase%20extraction" title="solid phase extraction">solid phase extraction</a>, <a href="https://publications.waset.org/abstracts/search?q=yeast%20cells" title=" yeast cells"> yeast cells</a>, <a href="https://publications.waset.org/abstracts/search?q=Nickl" title=" Nickl"> Nickl</a>, <a href="https://publications.waset.org/abstracts/search?q=isotherm%20study" title=" isotherm study"> isotherm study</a> </p> <a href="https://publications.waset.org/abstracts/52871/chemical-modification-of-biosorbent-for-prconcentation-of-cadmium-in-water-sample" class="btn btn-primary btn-sm">Procedia</a> <a href="https://publications.waset.org/abstracts/52871.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 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