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Nonlinear Hybrid Bistable Vibration-Energy-Harvester Modeling Considering Magnetostrictive and Piezoelectric Behaviors

کلیدواژه: Lumped parameter,Runge-Kutta method,Hybrid Energy harvesting,Harmonic balance method,Time and frequency responses

نویسندگان: Kamran Niazi Kamran Niazi, Mohammad-Javad Kazem Zadeh Parsi Mohammad-Javad Kazem Zadeh Parsi, Mehrdad Mohammadi Mehrdad Mohammadi

ناشر: - Journal of Solid Mechanics

The present study investigates a novel two degrees of freedom (2DOF) modeling of hybrid-bistable vibration energy harvester (VEH) considering nonlinear magnetic interaction and elastic magnifier to improve the efficiency and expand the action bandwidth. The main part of harvesting mechanism is a com... ادامه

سال:2023

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Incorporating the Two Functions of Portfolio Management and Payment Services in the Banking System and Presenting a Favorable Model from the Islamic Banking Perspective

کلیدواژه: Portfolio Management,Payment Services Provision,Fractional Reserve System,100% Reserve System,Islamic Banking

نویسندگان: Jamour Mohammad, NADRI KAMRAN, SHABANI AHMAD

ناشر: جستارهای اقتصادی با رویکرد اسلامی - Journal of Economic Essays; an Islamic Approach

In the current fractional reserve banking system, the two functions of portfolio management and payment services are incorporated simultaneously. The portfolio management refers to the bank's function in absorbing and allocating funds. The function of payment services also refers to the use of bank ... ادامه

سال:2022

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Development of Electromagnetic Flowmeters Model using a Hybrid Approach Based on Numerical Simulation Results and Data Estimation Method

کلیدواژه: Electromagnetic flowmeter, Computational fluid dynamics, Magnetic induction intensity, Turbulent flow

نویسندگان: Yousefi Mohsen, Moayyedi Mohammad Kazem

ناشر: نشریه پژوهشی مهندسی مکانیک ایران (فارسی) - IRANIAN JOURNAL OF MECHANICAL ENGINEERING (ENGLISH)

Electromagnetic flowmeters are high-precision devices that can be used to measure fluid flow in engineering systems, including municipal water supply networks. In this research, electromagnetic flowmeter modeling has been used which is a hybrid model based on numerical simulation results of turbulen... ادامه

سال:2022

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Efficiency of Regression, ANN and ANN-algorithm Genetic Hybrid Models in the Evaluation of Wind Erosion

کلیدواژه: Dust,Cla,Organic Matter,MLP,Perceptron

نویسندگان: Ebrahimi Shahin, MOHAMMADI TORKASHVAND ALI, ESFANDIARI MEHRDAD, AHMADI ABBAS

ناشر: حفاظت منابع آب و خاک - JOURNAL OF WATER AND SOIL RESOURCES CONSERVATION

Background and Aim: Wind erosion has occurred in a large part of Iran, which has caused land degradation and reduced fertility along with environmental effects. Identifying erosion-sensitive areas can help natural resource and environmental managers in soil conservation planning. Methods: This study... ادامه

سال:2022

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Investigating a Smart Hybrid Model and Metaverse Based on Artificial Intelligence-Augmented Reality to Improve Water Governance Components in Iran

کلیدواژه: Metaheuristic algorithms, Metaverse, Smart Decision-Making, Stakeholder Participation, Virtual reality, Water governance

نویسندگان: Mohammadi Haniyeh, Ansari Ghojghar Mohammad

ناشر: حکمرانی منابع طبیعی - Natural Resources Governance

Given the existing challenges in water governance, such as a lack of transparency, insufficient public participation, weak accountability, and low effectiveness, there is an increasing need to leverage innovative technological tools. Artificial Intelligence (AI) has the potential to enhance decision... ادامه

سال:2024

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A Multi-task Model to Detect Saliency and Edge using Hybrid Cost Function

کلیدواژه: Salient object detection, Edge detection, Hybrid loss function, Fully convolutional network, Deep learning, Image processing

نویسندگان: Dehghan Sajjad, Fadaeieslam Mohammad Javad

ناشر: مدل سازی در مهندسی - Modeling in Engineering

Detection of salient objects is done with the aim of identifying and segmenting prominent objects or areas in an image. Fully Convolutional Networks (FCNs) have shown their advantages in salient object detection; however, many previous works have focused on the accuracy of the prominent area without... ادامه

سال:2022

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A Meta-analysis of the Relationship between Corporate Governance Mechanisms and Financial Performance in Islamic Banks

کلیدواژه: Corporate governance,Financial performance,Islamic banks,Meta-analysis approach

نویسندگان: Shirmehanji Mohammad Baqer, Nourahmadi Mohammad Javad, Tavassoli Mohammad Ismail

ناشر: معرفت اقتصاد اسلامی - Ma`rifat-e Eghtesad-e Islami

The relationship between corporate governance mechanisms and the financial performance of Islamic banks has been extensively studied in previous empirical research. However, the results differ mainly due to the heterogeneity of the samples used in the experimental research. To explain and draw concl... ادامه

سال:2021

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Investigating the value content of different models of free cash flow by considering the growth opportunities and adequacy of the Corporate Governance

کلیدواژه: Free cash flow,Growth opportunity,Corporate governance,value content

نویسندگان: HOSSEINI JAVAD, BARADARAN HASANZADEH RASOUL, MOHAMMADI AHMAD, ZEYNALI MEHDI

ناشر: دانش مالی تحلیل اوراق بهادار (مطالعات مالی) - FINANCIAL KNOWLEDGE OF SECURITY ANALYSIS (FINANCIAL STUDIES)

The purpose of this study is to identify a certain criterion of free cash flow that has the most value content under the influence of growth opportunities and corporate governance system. In fact, the purpose of this study is to conduct research that can be effective in improving the comparability o... ادامه

سال:2022

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