Zobrazeno 1 - 10
of 1 193
pro vyhledávání: '"Bîrsan A"'
Publikováno v:
Present Environment and Sustainable Development, Vol 11, Iss 2, Pp 233-246 (2017)
The evolution of climate during the seventy-year cycle (1946-2016) led to the shaping, in the region, of two parallel trends of the evolution of the soil cover: a) in the sense of aridization; b) in the sense of humidification. These are due to the c
Externí odkaz:
https://doaj.org/article/dac7f22a0c8347839dec4b1f03067f91
This work highlights the potential of earth-abundant mixed-metal oxide catalysts for the acid-based oxygen evolution reaction. These catalysts offer numerous combinations of metal-centre compositions, which can enhance catalytic activity and stabilit
Externí odkaz:
http://arxiv.org/abs/2305.12541
We investigate discretizations of a geometrically nonlinear elastic Cosserat shell with nonplanar reference configuration originally introduced by B\^irsan, Ghiba, Martin, and Neff in 2019. The shell model includes curvature terms up to order 5 in th
Externí odkaz:
http://arxiv.org/abs/2304.11329
Autor:
Bîrsan, Dan Cătălin1 (AUTHOR) dan.birsan@ugal.ro, Susac, Florin1 (AUTHOR), Teodor, Virgil Gabriel1 (AUTHOR) virgil.teodor@ugal.ro
Publikováno v:
Materials (1996-1944). Sep2024, Vol. 17 Issue 18, p4586. 22p.
In this paper we derive the linear elastic Cosserat shell model incorporating effects up to order $O(h^5)$ in the shell thickness $h$ as a particular case of the recently introduced geometrically nonlinear elastic Cosserat shell model. The existence
Externí odkaz:
http://arxiv.org/abs/2208.04574
Autor:
Bîrsan, Anca1 ancabirsan25@gmail.com
Publikováno v:
International Conference KNOWLEDGE-BASED ORGANIZATION. Jun2024, Vol. 30 Issue 2, p1-4. 4p.
Publikováno v:
Memoirs of the Scientific Sections of the Romanian Academy, Vol XLVI, Pp 17-30 (2023)
The prolific activity of academician Ion Th. Simionescu was focused not only on paleontology and geology, but also on natural sciences and nature conservation. An encyclopedic personality, the great savant considered nature preservation as a genuine
Externí odkaz:
https://doaj.org/article/13ebe48ee19249b2a1a248b9cbbb1f77
Publikováno v:
Materials, Vol 17, Iss 18, p 4586 (2024)
The quality of the refill friction stir spot welding (RFSSW) process is heavily dependent on the selected welding parameters that influence the resultant joint characteristics. Thermomechanical phenomena integral to the process were investigated usin
Externí odkaz:
https://doaj.org/article/4804c8e51d524c418ba045fdb0c81ad9
Autor:
Bîrsan, Magdalena1,2 magdalena.birsan@umfiasi.ro, Cristofor, Ana Caterina3, Tuchiluș, Cristina4, Crivoi, Florina5, Vlad, Robert Alexandru6, Pintea, Cezara6, Antonoaea, Paula6, Ciurba, Adriana6
Publikováno v:
Medicine & Pharmacy Reports: Clujul Medical. 2024, Vol. 97 Issue 3, p347-356. 10p.
Autor:
Calotescu, Ileana, Chitez, Adriana-Silviana, Birsan, Marius-Victor, Micu, Dana, Dumitrescu, Alexandru
Publikováno v:
In Journal of Wind Engineering & Industrial Aerodynamics July 2024 250