Zobrazeno 1 - 10
of 117
pro vyhledávání: '"P. M. Afonso"'
Autor:
Ramin Rahmani, Pedro R. Resende, Rúben Couto, Sérgio I. Lopes, Rahul Kumar, Himanshu S. Maurya, Javad Karimi, Alexandre M. Afonso, Abrar Hussain, João C.C. Abrantes
Publikováno v:
Journal of Alloys and Metallurgical Systems, Vol 7, Iss , Pp 100097- (2024)
Additively manufactured complex geometries from copper alloys with high thermal and mechanical properties have drawn the attention of researchers. The present contribution explores the additive manufacturing (AM) of copper-based alloys from powder pa
Externí odkaz:
https://doaj.org/article/8cedb1c98d3e400890d380057a651bbe
Publikováno v:
Case Studies in Thermal Engineering, Vol 59, Iss , Pp 104551- (2024)
Heat exchangers are essential for various thermal applications, and their performance could be improved by optimization of layout/operating conditions or materials. The layout/operating conditions optimization has been widely subjected to research an
Externí odkaz:
https://doaj.org/article/ef177b8a481b492fb631e87d3893dc31
Autor:
Rafael M. Afonso, Luís M. Alves
Publikováno v:
International Journal of Lightweight Materials and Manufacture, Vol 6, Iss 4, Pp 512-520 (2023)
The utilization of an axial sheet bending-unbending cycle was previously utilized to produce mechanical joints of sheets to rods at ambient temperature by two subsequent operations. In this research, that joining process is now extended to produce a
Externí odkaz:
https://doaj.org/article/0b4f04d56b8d4a2f851446a9155edefc
Autor:
Dídia Sousa, Milene A. G. Fortunato, Joana Silva, Mónica Pingo, Alice Martins, Carlos A. M. Afonso, Rui Pedrosa, Filipa Siopa, Celso Alves
Publikováno v:
Marine Drugs, Vol 22, Iss 9, p 408 (2024)
Sphaerococcenol A is a cytotoxic bromoditerpene biosynthesized by the red alga Sphaerococcus coronopifolius. A series of its analogues (1–6) was designed and semi-synthesized using thiol-Michael additions and enone reduction, and the structures of
Externí odkaz:
https://doaj.org/article/8dff4be841094cd1ae26d0ba83fb6121
Publikováno v:
Frontiers in Public Health, Vol 12 (2024)
IntroductionThe World Health Organization has identified vaccine hesitancy as a global public health challenge. Healthcare providers are among the most influential and trusted figures for vaccine counseling. This article focuses on COVID-19 and influ
Externí odkaz:
https://doaj.org/article/e344491130724f1290f25d10bfcb57bc
Publikováno v:
Materials Research, Vol 27 (2024)
Ti alloys have been developing through the years, aiming the biomedical application since it has suitable properties. Among Ti alloys, the Ti-Nb systems are a pronounced group to biomedical applications due to its low elastic modulus, good corrosion
Externí odkaz:
https://doaj.org/article/3a0d9352eca54d0e80dcff30613bf5ff
Autor:
Anushka K. Palipana, Andrew Vancil, Emrah Gecili, Erika Rasnick, Daniel Ehrlich, Teresa Pestian, Eleni-Rosalina Andrinopoulou, Pedro M. Afonso, Ruth H. Keogh, Yizhao Ni, Judith W. Dexheimer, John P. Clancy, Patrick Ryan, Cole Brokamp, Rhonda D. Szczesniak
Publikováno v:
Environmental Advances, Vol 14, Iss , Pp 100449- (2023)
Background: Cystic fibrosis (CF) is a genetic disease but is greatly impacted by non-genetic (social/environmental and stochastic) influences. Some people with CF experience rapid decline, a precipitous drop in lung function relative to patient- and/
Externí odkaz:
https://doaj.org/article/4d1ca29457fc4bd1b63cb08ea44ca047
Publikováno v:
Student Success, Vol 14, Iss 1, Pp 47-59 (2023)
Unlike university classrooms, academic support services provide students opportunities for enactive mastery of a skill with immediate feedback in a low-risk learning environment. Given that this environment likely alters affective states, this study
Externí odkaz:
https://doaj.org/article/9a059da91e4f460682545b070f1a47bc
Publikováno v:
Energies, Vol 17, Iss 6, p 1327 (2024)
This work presents a state-of-the-art review of micro-combustion flame dynamics and micro propulsion systems. In the initial section, we focus in on the different challenges of micro-combustion, investigating the typical length and time scales involv
Externí odkaz:
https://doaj.org/article/7ddad0b82a5f4af5b3c3676ddf1f4d4a
Publikováno v:
Polymers, Vol 16, Iss 6, p 768 (2024)
The significance of polymer processing techniques cannot be overstated in the production of polymer components [...]
Externí odkaz:
https://doaj.org/article/f45f9f5bcf4f4de4a0aede10f5ffce69