Zobrazeno 1 - 10
of 338
pro vyhledávání: '"Papadogiannis, P."'
Autor:
Kaleris, Konstantinos, Kaselouris, Evaggelos, Dimitriou, Vasilios, Kaniolakis-Kaloudis, Emmanouil, Bakarezos, Makis, Tatarakis, Michael, Papadogiannis, Nektarios A., Sushko, Gennady B., Korol, Andrei V., Solov'yov, Andrey V.
In this paper we present a novel scheme for the controlled generation of of tunable narrowband gamma-ray radiation by ultra-relativistic positron beams inside acoustically driven periodically bent crystals. A novel acoustic crystalline undulator is p
Externí odkaz:
http://arxiv.org/abs/2410.11621
Autor:
Despoina Charou, Thanasis Rogdakis, Alessia Latorrata, Maria Valcarcel, Vasileios Papadogiannis, Christina Athanasiou, Alexandros Tsengenes, Maria Anna Papadopoulou, Dimitrios Lypitkas, Matthieu D. Lavigne, Theodora Katsila, Rebecca C. Wade, M. Zameel Cader, Theodora Calogeropoulou, Achille Gravanis, Ioannis Charalampopoulos
Publikováno v:
Stem Cell Research & Therapy, Vol 15, Iss 1, Pp 1-20 (2024)
Abstract Background Neural stem cell (NSC) proliferation and differentiation in the mammalian brain decreases to minimal levels postnatally. Nevertheless, neurogenic niches persist in the adult cortex and hippocampus in rodents, primates and humans,
Externí odkaz:
https://doaj.org/article/780a53ab9410470abce7ed5369ab372b
Autor:
Konstantinos Kaleris, Emmanouil Kaniolakis-Kaloudis, Nikolaos Aravantinos-Zafiris, Dionysios. T. G. Katerelos, Vassilis M. Dimitriou, Makis Bakarezos, Michael Tatarakis, John Mourjopoulos, Michail M. Sigalas, Nektarios A. Papadogiannis
Publikováno v:
Communications Materials, Vol 5, Iss 1, Pp 1-9 (2024)
Abstract Phononic crystals and acoustic metamaterials are expected to become an important enabling technology for science and industry. Currently, various experimental methods are used for evaluation of acoustic meta-structures, such as impedance tub
Externí odkaz:
https://doaj.org/article/48586779db8d4f9980058962165f9f96
On the Quality and Validity of Course Evaluation Questionnaires Used in Tertiary Education in Greece
Publikováno v:
Trends in Higher Education, Vol 3, Iss 2, Pp 221-234 (2024)
In compliance with national legislation, Greek tertiary education institutions assess educational quality often using a standardized anonymous questionnaire completed by students. This questionnaire aims to independently evaluate various course compo
Externí odkaz:
https://doaj.org/article/def4570774a44af9a50c6f5ebb322ac6
Autor:
Spyros Brezas, Evaggelos Kaselouris, Yannis Orphanos, Michael Tatarakis, Makis Bakarezos, Nektarios A. Papadogiannis, Vasilis Dimitriou
Publikováno v:
Vibration, Vol 7, Iss 1, Pp 146-160 (2024)
The present study encompasses a thorough analysis of the vibrations in a splash musical cymbal. The analysis is performed using a hybrid methodology that combines experimental measurements with parametric computer-aided design and finite element meth
Externí odkaz:
https://doaj.org/article/a48a0229183043138a3c0b26e78ce181
Autor:
I. Tazes, S. Passalidis, E. Kaselouris, D. Mancelli, C. Karvounis, A. Skoulakis, I. Fitilis, M. Bakarezos, N. A. Papadogiannis, V. Dimitriou, M. Tatarakis
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract We introduce a novel, gaseous target optical shaping laser set-up, capable to generate short scale length, near-critical target profiles via generated colliding blast waves. These profiles are capable to maintain their compressed density for
Externí odkaz:
https://doaj.org/article/41c085bfe1bd4c59a786de6ab8fd098b
Autor:
J. F. Ong, A. C. Berceanu, A. Grigoriadis, G. Andrianaki, V. Dimitriou, M. Tatarakis, N. A. Papadogiannis, E. P. Benis
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-11 (2024)
Abstract Laser plasma-based accelerators provide an excellent source of collimated, bright, and adequately coherent betatron-type x-ray pulses with potential applications in science and industry. So far the laser plasma-based betatron radiation has b
Externí odkaz:
https://doaj.org/article/a5299a3617ff45bca2e8445bbc4b9cec
Publikováno v:
Information, Vol 15, Iss 9, p 576 (2024)
This study examines the effectiveness of Student Evaluations of Teaching at the University of Peloponnese, which has systematically collected anonymous evaluations since 2015. The analysis focused on participation rates, average scores, and the corre
Externí odkaz:
https://doaj.org/article/b05edbf7fbc445bf9370e7dc0b413cf8
Autor:
Ilias Papadogiannis, Vassilis Poulopoulos, Nikos Platis, Costas Vassilakis, Georgios Lepouras, Manolis Wallace
Publikováno v:
Knowledge, Vol 3, Iss 3, Pp 513-524 (2023)
The GPA is a universally recognised and utilised metric of academic performance that is considered to also measure a student’s potential for academic performance in the future. In this short communication we examine to what extent the GPA of the fi
Externí odkaz:
https://doaj.org/article/f04f8cdc56c74ae8bcf45d71dd5ebe14
Autor:
Ilias Papadogiannis, Manolis Wallace, Vassilis Poulopoulos, Costas Vassilakis, Georgios Lepouras, Nikos Platis
Publikováno v:
Knowledge, Vol 3, Iss 3, Pp 349-363 (2023)
The remedial teaching policy is a flagship education policy of the Greek Ministry of Education that aims to create a school of equal opportunities by providing additional support to students from disadvantaged social backgrounds. In this work we util
Externí odkaz:
https://doaj.org/article/e87145e524fd411bb3771f0a3fb182b6