1,781 research outputs found

    Supplemental Material - Comparison of six percent hydroxyethyl starch 130/0.4 and ringer’s lactate as priming solutions in patients undergoing isolated open heart valve surgery: A double-blind randomized controlled trial

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    Supplemental Material for Comparison of six percent hydroxyethyl starch 130/0.4 and ringer’s lactate as priming solutions in patients undergoing isolated open heart valve surgery: A double-blind randomized controlled trial by Behzad Sheikhi, Yousef Rezaei, Farnaz Baghaei Vaji, Mostafa Fatahi, Mehdi Hosseini Yazdi, Ziae Totounchi, Sepideh Banar, Mohammad Mehdi Peighambari, Saeid Hosseini and Carlos - A Mestres in Perfusion.</p

    Electromagnetic sizing of axial-field flux switching permanent magnet machine

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    This paper presents a general sizing procedure of axial-field flux switching permanent magnet (AF-FSPM) machine for various topologies. A comprehensive approach is used for design of AF-FSPM machine and the design flowchart is presented. A three phase, 12/10 single-stage AF-FSPM machine is designed and three dimensional finite element analyses are performed to validate the design procedure. The magnetic flux distribution, induced EMF, and cogging torque has been computed. It is found that the results confirm the presented procedure

    Effects of dynamic eccentricity in Flux Switching Permanent Magnet machines

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    This paper investigates the effect of rotating eccentricity fault on a 10/12 Flux Switching Permanent Magnet (FSPM) machine. Main characteristics of the studied machine such as air-gap flux density, magnetic force between rotor and stator and torque profile are calculated by using finite element analysis (FEA) which is the most accurate numerical method. Furthermore, Fourier analysis is performed in order to study the impacts of rotating eccentricity faults on magnetic force and torque profiles. In addition, the results of Fourier analysis of the machine in healthy condition are compared with the machine with 40% rotating eccentricity. This studies shows that the eccentricity has significant effects on FSPM characteristics which shows the importance of investigating the fault. To the best awareness of the authors, the effects of the rotating eccentricity on FSPM machines have not been studied before

    Interview with Mostafa Moharram

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    هذه المقابلة مع المؤلف والسيناريست المصري مصطفى محرم. يستعرض كتاباته وأفلامه ، ويؤكد على أهمية السيناريو والكتابات المتخصصة . يشرح دور كاتب السيناريو وهو المسؤول عن خلق عمل فعال وجيد ، وكذلك التعامل بطريقة جيدة مع فريق التمثيل . أجرت المقابلة درية شرف الدينIn this interview, Egyptian author and screenwriter Mostafa Moharram speaks about his movies and the importance of scenarios in creating good work. The interview was conducted by Dorreya Sharaf al-Din

    Detection and Analysis of Epilepsy Biomarkers in Electrocorticography

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    Author Mostafa MohammadpourDissertation Johannes Kepler Universität Linz 202

    Detection and Analysis of Epilepsy Biomarkers in Electrocorticography

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    Author Mostafa MohammadpourDissertation Johannes Kepler Universität Linz 202

    Static eccentricity fault detection in Flux Switching Permanent Magnet machines

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    This paper studies the effects of static eccentricity (SE) in Flux Switching Permanent Magnet (FSPM) Machines to propose a criterion for fault detection. SE is one of the most common mechanical faults in electrical machines on. In order to achieve this goal, the proposed machine is studied under different degrees of static eccentricity fault to analyze machine condition. Finite element modeling (FEM) as the most accurate numerical approach is used to obtain precise results. The magnetic flux distribution of rotor and stator are calculated. In addition, air-gap flux density as a parameter which has a direct impact on back-EMF is assessed by using finite element analysis (FEA). It is found that static eccentricity has noticeable influences on back-EMF of coils of the machine. Furthermore, Fourier analysis is performed in order to achieve appropriate index for the diagnosis process. The results are provided for the healthy machine and the machine with different values of SE and the proposed index has been derived for the fault detection process in the machine

    Flexible Photovoltaic System on Non-Conventional Surfaces: A Techno-Economic Analysis

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    Renewable energy policies emphasize both the utilization of renewable energy sources and the improvement of energy efficiency. Over the past decade, built-in photovoltaic (BIPV) technologies have mostly focused on using photovoltaic ideas and have been shown to aid buildings that partially meet their load as sustainable solar energy generating technologies. It is challenging to install conventional photovoltaic systems on curved facades. In this research, elastic solar panels assisted by flexible photovoltaic systems (FPVs) were developed, fabricated, and analyzed on a 1 m2 scale. A flexible structure on a flat, hemispherical, and cylindrical substrate was studied in real terms. Using the LabVIEW application, warm and dry climate data has been recognized and transmitted online. The results showed that when installed on the silo and biogas interfaces, the fill factor was 88% and 84%, respectively. Annual energy production on the flat surface was 810 kWh, on the cylindrical surface was 960 kWh, and on the hemisphere surface was 1000 kWh, respectively. The economic results indicate that the net present value (NPV) at a flat surface is USD 697.52, with an internal rate of return (IRR) of 34.81% and a capital return term of 8.58 years. Cylindrical surfaces and hemispheres each see an increase of USD 955.18. The investment yield returned 39.29% and 40.47% for cylindrical and hemispheres structures. A 20% increase in fixed investment in the flat system increased IRR by 21.3%, while this increase was 25.59% in the cylindrical system and 24.58% in the hemisphere. Research innovation is filling the gap on the use of flexible solar panels on curved and unconventional surfaces

    Effects of metformin on markers of oxidative stress and antioxidant reserve in patients with newly diagnosed type 2 diabetes: A randomized clinical trial

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    Реферат по статье: Effects of metformin on markers of oxidative stress and antioxidant reserve in patients with newly diagnosed type 2 diabetes: A randomized clinical trial Alireza Esteghamati, Delaram Eskandari, Hossein Mirmiranpour, Sina Noshad, Mostafa Mousavizadeh, Mehdi Hedayati, Manouchehr Nakhjavan//Clinical Nutrition xxx (2012) 1-7 Tehran, Ira

    L’année de Bacchus d’El Mostafa Bouignane entre devoir de la mémoire et exaltation de la vie

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    This study will discuss the approach to the structure and narrative composition of the novel entitled L\u27année de Bacchus by Mostafa Bouignane, published by Virgule Editions in 2020. This text adds to a series of stories of which Bouignane constructs a narrative universe to reveal the nature of man who, even submissive and reduced, remains capable of regaining his freedom and leading a peaceful life. Thus, our study will propose an analysis of the ideological and historical dimension of this text representative of the literary experience of the author, then at the end the questioning of his human and moral values
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