Recerca: Recent submissions
Now showing items 481-500 of 4367
Enhancement of mechanical and surface properties by ball burnishing process on polymeric components obtained by FFF
Purpose: This paper aims to investigate and deliver experimental evidence to establish ball burnishing (BB) as an effective procedure for processing fused filament fabricated parts (FFF). This study, which is a novel ...
Lightweight hybrid composite sandwich structures with additively manufactured cellular cores
This study focuses on advancing sandwich structures by designing and fabricating complex two- and three-dimensional cellular cores combined with Carbon Fiber Reinforced Polymer (CFRP) skins. Numerical analysis is used to ...
Toward a Plastic-Free World: Antecedents of Consumer Purchase Intentions and Their Relationship With Purchasing Behavior for Plastic-Free Fresh Products
Consumer preferences for convenience and durability have historically driven demand for plastic-packaged products. However, increasing environmental awareness has spotlighted pro-environmental behaviors like purchasing ...
Connected in the street: the relation between online social networks, self-esteem and satisfaction with life among individuals experiencing homelessness
The universalisation of Social Networking Sites has prompted a debate about whether contact with relatives and friends online has a positive effect on psychological well-being, as it has on direct relationships with primary ...
Validation of a large volume-solid phase extraction methodology for biotoxicity assessment of pharmaceuticals in aquatic organisms
The growing scarcity of freshwater has intensified the need for alternative water sources, which often require advanced treatments to eliminate contaminants. Among emerging pollutants, pharmaceuticals have become a significant ...
Green infrastructure for reintegrating fragmented urban fabrics: Multiscale methodology using space syntax and hydrologic modeling
Green infrastructure (GI) plays a critical role in addressing urban fragmentation and flood vulnerability, especially in rapidly expanding cities where its optimal placement is essential to maximize social, ecological, and ...
Instant lottery innovation, tax compliance and herd effects, an impact assessment in Brazil
To mitigate tax evasion, the use of lottery awards is an important policy. In December 2019, Receita da Sorte a daily and instantaneous lottery was introduced, in a Brazilian state. This article aims to analyse the impact ...
Enhancing bandwidth and efficiency with slotted ground planes embedding antenna boosters
The deployment of wireless devices has increased exponentially in recent years, not only for mobile applications but also for IoT. Typically, these IoT devices exchange data with other devices by means of wireless connections, ...
Non-target metabolomic approach of the toxic effects of glyphosate in zebrafish (D. rerio)
Glyphosate (GLY) is the most widely used herbicide globally and is frequently detected in aquatic environments at low concentrations, raising concerns about its potential long-term effects on non-target organisms. However, ...
A dual-band flexible MIMO array antenna for sub-6 GHz 5G communications
This paper presents a novel dual-band flexible antenna, uniquely designed and extended to array as well as MIMO configurations for the Sub-6 GHz band. The single-element monopole antenna features a modified rectangular ...
Quantum-assisted trustworthiness for the Quantum Internet
Device redundancy is one of the most well-known mechanisms in distributed systems to increase the overall system fault tolerance and, consequently, trustworthiness. Existing algorithms in this regard aim to exchange a ...
Evaluación, valoración y validación de la investigación en arquitectura, construccion y urbanismo: Justificando percepciones
Estoa journal´s editorial emphasises the increasing importance of evaluation and validation processes in scientific publications, particularly in architectural research. It highlights the necessity of generating and ...
Eco urbanismo: Nuevas sinergias entre la arquitectura, el desarrollo sostenible, el patrimonio y sus multiples miradas
The text emphasizes the growing global need to integrate ecological and sustainable urban planning with contemporary demands for circulation and transportation. The importance of university education based on serious ...
A semantic-based model for the management of people with reduced mobility in airport facilities
The growing need for inclusive transportation systems has emphasized the importance of addressing the challenges faced by people with reduced mobility (PRM) in airport environments. Nonetheless, its correct performance is ...
En defensa del Gran diálogo. Leo Strauss y los fundamentos filosóficos de una educación liberal basada en los grandes libros
Recogiendo la propuesta del reciente libro de José María Torralba, Una educación liberal. Elogio de los grandes libros, este artículo pretende ofrecer una defensa de la educación liberal, profundizando en un aspecto de ...
Economic impact of droughts in southern Brazil, a duration analysis
Hydrometeorological hazards are currently a cause for great concern worldwide. Droughts are among the most recurrent events, causing significant losses. This article presents a study on the duration of droughts in the ...
Survival analysis of small business during COVID-19 pandemic, a brazilian case study
The impact of COVID-19 on the economy was devastating. Small businesses typically have few resources to fight against such adversity. Many businesses remained closed for some time during the pandemic period, resulting in ...
A virtual data generator system for shape recognition in haptic robotics
In robotics, the current state of object recognition in haptic sensory mode falls significantly short of the results obtained in visual mode. One of the main reasons for this is the lack of haptic data sets for training ...
A Roadmap for integrating sustainability into software engineering education
The world faces escalating crises: record-breaking temperatures, widespread fires, severe flooding, increased oceanic microplastics, and unequal resource distribution. Academia introduces courses around sustainability to ...
