Implementation and Characterisation Testing of a PCDU for Nanosatellites

Autor: Gouvalas, Spyridon

Satellite power management systems play a crucial role in ensuring the operational success andlongevity of satellite missions. As satellites operate in the harsh environment of space, efficient powermanagement is essential to maximize energy utilizat

Externí odkaz: http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-101438

Lessons learned when developing a high performance attitude controlled platform to achieve microgravity for low-cost experiments

Autor: Wolnievik, Andreas, Janes, Noel, Pérez Cámara, Flavia, Dengel, Ric, Delley, Diane, Hartmann, Anne, Maestro Redondo, Paloma, Llamas Lanza, Miguel, Samuelsson, Erik, Chacartegui Rojo, Íñigo de Loyola, Lange, Jonathan, Fernández Bravo, Elena, Hiemstra, Cornelis Peter, Scholz, Sebastian, Isberg, Henning, Kull, Tõnis, Gouvalas, Spyridon

Publikováno v: UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)

Available Attitude Control Systems are often targeted at orbital flights, and therefore manoeuvre slowly. As such, these solutions are suboptimal for sounding rocket experiments, as experiments such as those conducted on free falling units have restr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::929e984ea4c9472bfc2581570e2b1d38
https://hdl.handle.net/2117/370876

Cost-Sharing Rates Increase During Deep Recession: Preliminary Data From Greece

Autor: Kostas Athanasakis, Mamas Theodorou, Michael Igoumenidis, Athanasios Gouvalas

Publikováno v: International Journal of Health Policy and Management
International Journal of Health Policy and Management, Vol 5, Iss 12, Pp 687-692 (2016)

Background Measures taken over the past four years in Greece to reduce pharmaceutical expenditure have led to significant price reductions for medicines, but have also changed patient cost-sharing rates for prescription drugs. This study attempts to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::77f91f6548dd6cb1c9e34c4f1b9f8bc2
http://europepmc.org/articles/PMC5144875

Spontaneous major tendon ruptures in patients on chronic hemodialysis

Autor: Christos Alexandropoulos, Stefanos Tsourvakas, Paraskevi Founta, Konstantinos Gouvalas, Christos Gimtsas, Nikolaos Tsianas

Publikováno v: European Journal of Orthopaedic Surgery & Traumatology. 15:109-112

Eight spontaneous ruptures of major tendons (five patellar and three triceps brachii) in five patients receiving long-term hemodialysis were reviewed between 1995 and 2003. The average age of the two men and the three women was 37.2 years. The averag

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::25aab0ae119f6fb2d0948f587a60bad8
https://doi.org/10.1007/s00590-004-0213-7

Endoscopic hemoclip application in the treatment of nonvariceal gastrointestinal bleeding: short-term and long-term benefits

Autor: Stergios Vradelis, Panagiotis Katsinelos, Basilis Papaziogas, Kostas Mimidis, Athanasios Beltsis, George Paroutoglou, Aristidis Gouvalas, Grigoris Chatzimavroudis, Ioannis Vlachakis, Ioannis Pilpilidis

Publikováno v: Surgical laparoscopy, endoscopypercutaneous techniques. 15(4)

We conducted an uncontrolled retrospective study to evaluate endoscopic hemoclip application as the first-choice hemostatic treatment of gastrointestinal bleeding lesions from a wide variety of sources. Clinical data, endoscopic findings, complicatio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f33e6ee218ce0aee8ac4b8caf9b33aa2
https://pubmed.ncbi.nlm.nih.gov/16082303