Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Valentin Popescu"'
Publikováno v:
Annals of the University of Petroşani. Mechanical Engineering, Vol 25, Pp 59-70 (2024)
In the paper, we addressed the simulation and numerical modeling of deformation under static loading of wire ropes used in mine hoisting installations. We presented the main types of extraction vessels (cages and skips) commonly used in the mining in
Externí odkaz:
https://doaj.org/article/45844963866946c79a6b617e1452f2a9
Autor:
Bogdan Mastalier, Victor Cauni, Constantin Tihon, Marius Septimiu Petrutescu, Bogdan Ghita, Valentin Popescu, Dan Andras, Ion Mircea Radu, Vasile Gabriel Vlasceanu, Marius Florian Floroiu, Cristian Draghici, Cristian Botezatu, Dragos Cretoiu, Valentin Nicolae Varlas, Angela Madalina Lazar
Publikováno v:
Journal of Clinical Medicine, Vol 12, Iss 19, p 6193 (2023)
Despite the substantial decrease in mortality rates following a pancreaticoduodenectomy to less than 5%, morbidity rates remain significant, reaching even 73%. Postoperative pancreatic fistula is one of the most frequent major complications and is si
Externí odkaz:
https://doaj.org/article/d7695d1bd0384966b59f92b2f7707fc8
Autor:
Valentin Popescu, Victor Cauni, Marius Septimiu Petrutescu, Maria Madalina Rustin, Raluca Bocai, Cristina Rachila Turculet, Horia Doran, Traian Patrascu, Angela Madalina Lazar, Dragos Cretoiu, Valentin Nicolae Varlas, Bogdan Mastalier
Publikováno v:
Biomedicines, Vol 11, Iss 9, p 2457 (2023)
Background: Chronic wounds are a significant health problem with devastating consequences for patients’ physical, social, and mental health, increasing healthcare systems’ costs. Their prolonged healing times, economic burden, diminished quality
Externí odkaz:
https://doaj.org/article/f38ad255d1c24b6eb36a843cd4fd776c
Autor:
Florin Dumitru Popescu, Sorin Mihai Radu, Andrei Andraș, Ildiko Brînaș, Daniela Ioana Budilică, Valentin Popescu
Publikováno v:
Materials, Vol 15, Iss 9, p 3363 (2022)
This paper studies both the thermal and mechanical behavior of brake system models in the case of the emergency braking of a mine hoist model. Using a step-by-step approach inspired by studies conducted on small brake systems with high rotation speed
Externí odkaz:
https://doaj.org/article/7ac0b59619654a10a0499ea932fc870e
Autor:
Andrada Serafim, Sergiu Cecoltan, Elena Olăreț, Diana-Maria Dragusin, Eugeniu Vasile, Valentin Popescu, Bogdan Stelian Manolescu Mastalier, Horia Iovu, Izabela-Cristina Stancu
Publikováno v:
Polymers, Vol 12, Iss 8, p 1677 (2020)
Considering the potential of hydrogels to mimic the cellular microenvironment, methacryloyl gelatin (GelMA) and methacryloyl mucin (MuMA) were selected and compared as bioinspired coatings for commercially available polypropylene (PP) meshes for vent
Externí odkaz:
https://doaj.org/article/d744fdfb1f604ff19e447b3b45feb0d8
Autor:
Valentin Popescu
Publikováno v:
Logos Universality Mentality Education Novelty: Philosophy & Humanistic Sciences. 10:41-68
In X-ray Architecture, Beatriz Colomina does a psychoanalysis of the image of the TB patient but also of other diseases (including mental) and of the mental associations induced by them, associations and representations that influenced modern archite
Publikováno v:
2023 13th International Symposium on Advanced Topics in Electrical Engineering (ATEE).
Autor:
Valentin Popescu
Publikováno v:
Logos Universality Mentality Education Novelty: Philosophy & Humanistic Sciences. 9:26-44
Bucharest multiculturalism was a feature of its cultural life throughout the 19th and 20th centuries. It contributed to the interwar architectural development and creative output of Bucharest. This development envolved some lesser known jewish archit
Autor:
Alina Rachiteanu, Alexandru Marius Viisoreanu, Constantin Ghita, Valentin Navrapescu, Aurel-Ionut Chirila, Ioan Dragos Deaconu, Cristina Gabriela Saracin, Sergiu Valentin Popescu, Corina Ioana Gheorghiu
Publikováno v:
2021 12th International Symposium on Advanced Topics in Electrical Engineering (ATEE).
The paper presents an approach for computing the electric capacitance of the overvoltage protective shield mounted in electric transformers. This is a valuable parameter within the high frequency equivalent electric circuit of a transformer stressed
Autor:
Viorel-Dumitru Gavril, Gabriel-Bogdan Chişamera, Răzvan Zaharia, Dumitru Murariu, Răzvan-Valentin Popescu-Mirceni, Cătălin-Răzvan Stanciu, Ioana Cobzaru
Publikováno v:
Travaux du Muséum National d’Histoire Naturelle “Grigore Antipa”. 60:517-536
We investigated diurnal raptors movements in the Black Sea basin. Bird migration over the western Black Sea has not been studied properly, scarce data being available mainly by Drost’s paper (1930) thus referring only to the birds from Snakes Islan