Zobrazeno 1 - 10
of 12
pro vyhledávání: '"P. C. M. Lima"'
Publikováno v:
Annales Geophysicae, Vol 36, Pp 555-564 (2018)
Quasi-periodic variations in solar activity and galactic cosmic rays (GCRs) on decadal and bidecadal timescales have been suggested as a climate forcing mechanism for many regions on Earth. One of these regions is southern Brazil, where the lowest
Externí odkaz:
https://doaj.org/article/5c587de54b86481c9b1a50d9b58172ef
Autor:
Valdir Barbosa Bezerra, Herondy Francisco Santana Mota, Augusto P. C. M. Lima, Geová Alencar, Celio Rodrigues Muniz
Publikováno v:
Physics, Vol 6, Iss 3, Pp 1046-1071 (2024)
In this paper, we review some recent findings related to the Casimir effect. Initially, the thermal corrections to the vacuum Casimir energy density are calculated, for a quantum scalar field, whose modes propagate in the (3+1)-dimensional Euclidean
Externí odkaz:
https://doaj.org/article/c22ae85d8ef843769bc133be1d7c861b
Autor:
Irismara Sousa Silva, Aline D. Almeida, Antônio C. M. Lima Filho, Weslley Fernandes-Braga, Ayslan Barra, Hortência M. C. Oliveira, Geovanni D. Cassali, Luciano S. A. Capettini, Gustavo B. Menezes, Jacqueline I. Alvarez-Leite, Maria F. Leite, André Klein
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-13 (2023)
Abstract Although it is well established that platelet-activated receptor (PAF) and protease-activated receptor 2 (PAR2) play a pivotal role in the pathophysiology of lung and airway inflammatory diseases, a role for a PAR2-PAFR cooperation in lung i
Externí odkaz:
https://doaj.org/article/63d5d9ce84214c99b674363f35ad3477
Autor:
Marisa A. Souza, Marcia C. M. Lima, Ana L. A. Escada, Bruna N. A. S. Pimentel, Carlos E. Vergani, Roberta M. Sabino, Ketul C. Popat, Ana P. Rosifini Alves
Publikováno v:
Materials Research, Vol 26 (2023)
In this study, alkaline treatment was used to change the surface of the new beta titanium alloy Ti25Ta25Nb3Sn and enhance its bioactivity. Ti25Ta25Nb3Sn, a new experimental alloy was processed in the laboratory and the surfaces were modified using al
Externí odkaz:
https://doaj.org/article/cfa6e5653aa84a06945720691df304c7
We show through Schwinger's approach that in a static weak gravitational background, the Casimir Energy for a real massless scalar field obeying Dirichlet boundary conditions on rectangular plates is unaltered from it's flat space-time value. The res
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::74ce4680ea938452fa686bf3ca7ad251
http://arxiv.org/abs/2007.07163
http://arxiv.org/abs/2007.07163
Publikováno v:
Physical Review
The study of the Unruh effect naturally raises the interest for a deeper understanding of the analogy between temperature and acceleration. A recurring question is whether an accelerated frame can be distinguished from an inertial thermal bath in pur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::14fc17cfc17d28cc04e5c5fec19e6eaa
The discussion of vacuum energy is currently a subject of great theoretical importance, specially concerning the cosmological constant problem in General Relativity. From Quantum Field Theory, it is stated that vacuum states subject to boundary condi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::afe22a89cb43fd0ade10085191c73aef
http://arxiv.org/abs/1903.00512
http://arxiv.org/abs/1903.00512
Autor:
Yara S. Medeiros, Gina S. Morato, Edelton F. Morato, Rosa M. R. Valle, Thereza C. M. Lima, Giles A. Rae, João B. Calixto
Publikováno v:
Acta Amazonica, Vol 18, Iss suppl 1-2, Pp 157-170 (1988)
Estudos de nosso laboratório surgerem que o ácido tânico (AT) exerce diversos efeitos "in vitro" ou "in vivo", podendo ser responsável por várias ações inespecíficas freqüentemente observadas com extratos brutos de plantas medicinais. O pres
Externí odkaz:
https://doaj.org/article/18508d6006434f6eb847d9d5ee38ea96
Autor:
Reinaldo N. Takahashi, João Β. Calixto, Inés M. Costa, Thereza C. M. Lima, Gina S. Morato, Mauro Nicolau, Giles A. Rae, Rosa M. R. Valle, Rosendo A. Yunes
Publikováno v:
Acta Amazonica, Vol 18, Iss suppl 1-2, Pp 407-424 (1988)
Foram efetuados estudos químicos e farmacológicos dos extratos brutos hidroalcóolicos obtidos das folhas ou das raízes de E. argentinum ou de frações semi-purificadas desta planta. Os testes químicos revelaram a existência de alcalóides, fit
Externí odkaz:
https://doaj.org/article/73382a16a2564a339e4efb67d94b73fb
Autor:
Gina S. Morato, João Β. Calixto, Luiz Cordeiro, Thereza C. M. Lima, Edelton F. Morato, Mauro Nicolau, Giles A. Rae, Reinaldo Ν. Takahashi, Rosendo A. Yunes
Publikováno v:
Acta Amazonica, Vol 18, Iss suppl 1-2, Pp 367-380 (1988)
A Talauma ovata, (Magnoliaceae), planta encontrada na região Sul do Brasil, e conhecida vulgarmente pelo nome de "baguaçu", é recomendada na medicina popular, na forma de chá das folhas, principalmente para o tratamento do diabetes. O presente es
Externí odkaz:
https://doaj.org/article/743a478077d3428f991ce4abc3399667