Reset
Showing 20 of 418 academic articles

Tunable Piezophotonic Effect on Core-Shell Nanoparticles Prepared by Laser Ablation in Liquids under External Voltage

A. K. Kodeary, S. M. Hamidi • Journal of Nanotechnology (2019)

We report an experimental study on the piezophotonic effect of gold and lead zirconate titanate (PbZrTiO3) nanoparticles (NPs) and also their core-shell nanostructures prepared by the laser ablation in liquid method. To obtain these NPs and...

DOAJ Open Access (DOAJ) DOI: 10.1155/2019/6046079

Graphene Quantum Dots Modified with Metformin/Co(II) as Efficient Oxidation Catalyst

Saeid Nejati, Sajjad Keshipour, Mozhdeh Seyyedhamzeh • Iranian Journal of Chemistry & Chemical Engineering (2022)

While one of the valuable approaches to obtaining a heterogeneous catalyst is supporting them on a high surface area supports, the strategy mainly suffers from the low number of chelating agents on most of the supports to grip the metal cat...

DOAJ Open Access (DOAJ) DOI: 10.30492/ijcce.2021.530898.4752

Optimum calcination temperature for the synthesis of nanostructured alumina for energy storage heat management applications

Ehsan Poorshakoor, Mahdi Darab • Hydrogen, Fuel Cell & Energy Storage (2023)

Heat management for rechargeable energy systems such as lithium-ion batteries are of great performance and safety value. Optimization of solid additives to liquid cooling systems are a field of research for the advanced materials selection ...

DOAJ Open Access (DOAJ) DOI: 10.22104/hfe.2024.6649.1282

Load distributing for locally distributed systems

Niranjan G. Shivaratri, Phillip Krueger, Mukesh Singhal • Computer (1992)

The problem of judiciously and transparently redistributing the load of the system among its nodes so that overall performance is maximized is discussed. Several key issues in load distributing for general-purpose systems, including the mot...

OPENALEX DOI: https://doi.org/10.1109/2.179115

Structural analysis of inclusive metaverse spaces for the sustainability of future smart cities (Case study: Tehran Metropolis)

Leily Bakhtiari • جغرافیا و آینده پژوهی منطقه‌ای (2026)

The Metaverse, as a hypothetical virtual environment utilizing advanced technologies such as Artificial Intelligence and the Internet of Things, has the potential to contribute to the sustainability of future smart cities, enhancing urban e...

DOAJ Open Access (DOAJ) DOI: 10.30466/grfs.2025.56183.1118

Cybersecurity and Cyberwar

P W Singer, Allan Friedman (2014)

Abstract Dependence on computers has had a transformative effect on human society. Cybernetics is now woven into the core functions of virtually every basic institution, including our oldest ones. War is one such institution, and the digita...

OPENALEX DOI: https://doi.org/10.1093/wentk/9780199918096.001.0001

Underweight, body image, and weight loss measures among adolescents in Saudi Arabia: is it a fad or is there more going on?

Talal M. Hijji, Hassan Saleheen, Fadia S. AlBuhairan • International Journal of Pediatrics & Adolescent Medicine (2021)

Background and Objective: Adolescence is considered to be a pivotal point in which optimum nutrition and eating habits are developed. Although tackling the obesity epidemic has been much discussed, addressing the issue of underweight and bo...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.ijpam.2020.01.002

Exact solution for bending analysis of functionally graded micro-plates based on strain gradient theory

Mohammadi Meisam, Iranmanesh Afshin, Naseralavi Seyed Sadegh, Farahmand Hamed • Science and Engineering of Composite Materials (2018)

In the present article, static analysis of thin functionally graded micro-plates, based on Kirchhoff plate theory, is investigated. Utilizing the strain gradient theory and principle of minimum total potential energy, governing equations of...

DOAJ Open Access (DOAJ) DOI: 10.1515/secm-2015-0415

Evaluation of effective factors on theoretical classes’ attendance of dentistry students of Babol University of Medical Sciences

Maryam Seyedmajidi, Kambiz Naderi, SeyedAli Seyedmajidi • آموزش پزشکی (2017)

BACKGROUND AND OBJECTIVE: The characters and roles of teachers and demographic characteristics and attendance of students have special places in classroom. Students are interested to participate in classroom logically and manner of faculty ...

DOAJ Open Access (DOAJ)

Improvement in energy absorption properties of aluminum foams by designing pore-density distribution

Fateme Hassanli, Mohammad Hossein Paydar • Journal of Materials Research and Technology (2021)

In the present work, effect of structural design on the mechanical properties of aluminum foams was studied. Aluminum foams with a relative density in the range of 0.28–0.48 with uniform and graded pore frequency were fabricated through pow...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.jmrt.2021.06.073

The Investigation of Impact of Complement Policy for Energy Price Policy Reform on Transport Sector in Iran by Computable General Equilibrium

Roholla Mahdavi • Pizhūhishnāmah-i Iqtiṣād-i Inirzhī-i Īrān (2014)

With regard to the ever-increasing need for energy in current societies to satisfy various requirements, scientists and researchers from different countries, such as Iran, have a basic approach in their agenda to achieve renewable energies،...

DOAJ Open Access (DOAJ)

Poly (acrylic acid)/tricalcium phosphate nanoparticles scaffold enriched with exosomes for cell-free therapy in bone tissue engineering: An in vivo evaluation

Nahid Moradi, Mina Soufi-Zomorrod, Simzar Hosseinzadeh, Masoud Soleimani • BioImpacts (2024)

Introduction: This study aimed to assess the potential of poly (acrylic acid)/tricalcium phosphate nanoparticles (PAA/triCaPNPs) scaffold in terms of biocompatibility and osteoconductivity properties the in-vivo evaluation as well as to inv...

DOAJ Open Access (DOAJ) DOI: 10.34172/bi.2023.27510

Social Network Analysis of Editorial Board Interlocking Phenomena from the Perspective of Astronomy and Astrophysics Journals

Farshid Danesh, Samaneh Kesht Karan, Lili Banihashemi, Somayeh GhaviDel • International Journal of Information Science and Management (2023)

Editorial board members (EBMs) of journals play a pivotal role in authentic international scientific journals. Editorial Board Interlocking (EBI) phenomenon reflects the effectiveness and importance of the scholarly journal's editorial boar...

DOAJ Open Access (DOAJ) DOI: 10.22034/ijism.2022.1977746.0