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Academic Articles & Research Papers
Showing 20 of 101 academic articles
Irina Besliu Bancescu, Roxana Gheorghita, Alexandru Nemtoi • Engineering Proceedings
(2026)
This study evaluated the influence of post-polymerization duration and a 14-day aging period on the mechanical and physical properties of 3D-printed standard resin models. Methods: Specimens were printed using Anycubic resin (50 µm layers) ...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/engproc2026148002
Marcela Socol, Nicoleta Preda • Nanomaterials
(2021)
Continuing growth in global energy consumption and the growing concerns regarding climate change and environmental pollution are the strongest drivers of renewable energy deployment. Solar energy is the most abundant and cleanest renewable ...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/nano11051117
C. López Pérez, T. Marchhart, A. Marin, M. Nieto-Perez et al. • Nuclear Materials and Energy
(2023)
Liquid lithium wettability has been investigated on novel zirconium-alloyed porous tungsten fabricated by the place-holder spark plasma sintering technique. This paper investigates the wetting properties of liquid lithium on the substrates ...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.nme.2023.101525
Ana-Maria Florea (Raduta), Stefan Caramizoiu, Ana-Maria Iordache, Stefan-Marian Iordache et al. • Solids
(2025)
Opto-spintronics is an emerging field that focuses on harnessing light to manipulate and analyze electron spins to develop next-generation electronic devices. This paper explores recent progress and the role of solid-state materials in opto...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/solids6020025
Marius Giorgi Usturoi, Roxana Nicoleta Rațu, Ioana Cristina Crivei, Ionuț Dumitru Veleșcu et al. • Agriculture
(2025)
This study explores the nutritional benefits and health implications of omega-3- and omega-6-enriched eggs, positioning them within the context of functional foods aimed at improving public health outcomes. With rising consumer interest in ...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/agriculture15030242
Florentina Niculescu, Ion Pencea, Mirela Stănescu, Gheorghe Iacob et al. • Chemical Engineering Journal Advances
(2026)
Efficient recycling of waste electrical and electronic equipment (WEEE) is a major priority for the circular economy and sustainable resource management. This study proposes and investigates an integrated mechanical, pyrometallurgical, and ...
DOAJ
Open Access (DOAJ)
DOI: 10.1016/j.ceja.2026.101418
Alexandra COROIAN, Larisa IVASCU, Timea CISMA, Mihai ARDELEAN et al. • Annals: Series on engineering sciences (Academy of Romanian Scientists)
(2024)
Romania's automotive sector is experiencing an evolution towards sustainable
transport, with an increasing interest in incorporating solar power technology into
vehicles. This article examines the present state of solar power use in Roman...
DOAJ
Open Access (DOAJ)
DOI: 10.56082/ANNALSARSCIENG.2024.2.41
Corina PIRLOGEA • Business Excellence and Management
(2011)
Taking into account that today the consumption of energy has grown six times since half a century ago, investments are needed for diversifying the sources of energy consumption and raising the efficiency of energy use. In this article autho...
DOAJ
Open Access (DOAJ)
Octavian POTECAŞU, Florentina POTECAŞU, Elena DRUGESCU • The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science
(2006)
The paper presents the results of the authors’ scientific research on a composite material with polymeric matrix, hardened with rock particles. It was studied the influence of the quantity of the hardening phase on the compression resistanc...
DOAJ
Open Access (DOAJ)
Romică CREȚU, Liviu Cătălin ȘOLEA • The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science
(2022)
Due to their excellent characteristics, vegetable oils are successfully used in various formulations of organic lubricants. In this context, the advanced biodegradability and excellent lubricity performance of rice oil leads to its being co...
DOAJ
Open Access (DOAJ)
DOI: 10.35219/mms.2022.3.01
Alin-Gabriel Vaduva, Simona-Vasilica Oprea, Dragos-Catalin Barbu • Ovidius University Annals: Economic Sciences Series
(2023)
The web offers large volumes of data that is unstructured and fails to be further processed if not
extracted and organized into local variables or into databases. In this paper, we aim to extract data
from the Internet using web scraping ...
DOAJ
Open Access (DOAJ)
Sanaa Kaddoura, Ganesh Chandrasekaran, Daniela Elena Popescu, Jude Hemanth Duraisamy • PeerJ Computer Science
(2022)
The presence of spam content in social media is tremendously increasing, and therefore the detection of spam has become vital. The spam contents increase as people extensively use social media, i.e., Facebook, Twitter, YouTube, and E-mail. ...
DOAJ
Open Access (DOAJ)
DOI: 10.7717/peerj-cs.830
Otilia Zvorișteanu, Simona Caraiman, Vasile-Ion Manta • Mathematics
(2022)
Environment perception and understanding represent critical aspects in most computer vision systems and/or applications. State-of-the-art techniques to solve this vision task (e.g., semantic instance segmentation) require either dedicated h...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/math10142365
Radu Constantin Parpală, Mario Andrei Ivan, Lidia Florentina Parpală, Costel Emil Coteț et al. • Applied Sciences
(2024)
The increase in positioning accuracy and repeatability allowed the integration of robots in assembly operations using guidance systems (structured applications) or video acquisition systems (unstructured applications). This paper proposes a...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/app14198687
Andrei Mihalea, Adina Magda Florea • Applied Sciences
(2024)
Computer vision has significantly influenced recent advancements in autonomous driving by providing cutting-edge solutions for various challenges, including object detection, semantic segmentation, and comprehensive scene understanding. One...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/app14177776
Iosif-Alin Beti, Paul-Corneliu Herghelegiu, Constantin-Florin Caruntu • Information
(2024)
The growing number of vehicles on the roads has resulted in several challenges, including increased accident rates, fuel consumption, pollution, travel time, and driving stress. However, recent advancements in intelligent vehicle technologi...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/info15060323
Romulus Costache, Hazem Ghassan Abdo, Arun Pratap Mishra, Subodh Chandra Pal et al. • Geomatics, Natural Hazards & Risk
(2023)
AbstractIn this work, the vulnerability to flooding in the Prahova River basin was calculated and analyzed using advanced methods and techniques. Thus, 2 hybrid models represented by Iterative Classifier Optimizer – Multiclass Alternating D...
DOAJ
Open Access (DOAJ)
DOI: 10.1080/19475705.2023.2281241
Laura ONAC • Studia Universitatis Babes-Bolyai: Series Informatica
(2019)
Plant recognition represents a challenging computer vision problem due to the great variations of shape and texture among plant organs, within the same species. This paper proposes a light-weight, but reasonably deep Convolutional Neural Ne...
DOAJ
Open Access (DOAJ)
DOI: 10.24193/subbi.2019.1.01
Roxana Elena POPȘA • Expert Journal of Marketing
(2023)
Currently, we live in a world that is constantly changing, one in which the digital environment is constantly evolving. In the travel and tourism industry, there is practically no management decision that is not related to digitization. Add...
DOAJ
Open Access (DOAJ)
Sanda-Maria Avram, Mihai Oltean • Mathematics
(2022)
Determining the author of a text is a difficult task. Here, we compare multiple Artificial Intelligence techniques for classifying literary texts written by multiple authors by taking into account a limited number of speech parts (prepositi...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/math10234589