Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Christos Karkalis"'
Autor:
Christos Karkalis, Andreas Magganas, Petros Koutsovitis, Panagiotis Pomonis, Theodoros Ntaflos
Publikováno v:
Lithosphere, Vol 2022, Iss 1 (2022)
AbstractIn Pagondas and Kimi areas, central Evia Island, Greece, variably serpentinized ultramafic rocks of an ophiolitic origin are crosscut by rodingite dikes. Based on their protoliths, these rodingites are distinguished into the following: (i) ro
Externí odkaz:
https://doaj.org/article/6a4365b2177c47e88ba5703f050a8503
Autor:
Alkiviadis Sideridis, Petros Koutsovitis, Basilios Tsikouras, Christos Karkalis, Christoph Hauzenberger, Federica Zaccarini, Pavlos Tsitsanis, Christina Vasiliki Lazaratou, Vasilios Skliros, Dionisios Panagiotaras, Dimitrios Papoulis, Konstantin Hatzipanagiotou
Publikováno v:
Minerals, Vol 12, Iss 8, p 1000 (2022)
Listwaenitization processes have significantly altered the mantle section of the West Chalkidiki ophiolites, generating the second largest magnesite deposit in Greece. Although research studies have been conducted in the region, the post-magmatic pro
Externí odkaz:
https://doaj.org/article/4fbc2e1311794850974459dc098cbeb6
Autor:
Nikolaos Koukouzas, Marina Christopoulou, Panagiota P. Giannakopoulou, Aikaterini Rogkala, Eleni Gianni, Christos Karkalis, Konstantina Pyrgaki, Pavlos Krassakis, Petros Koutsovitis, Dionisios Panagiotaras, Petros Petrounias
Publikováno v:
Energies, Vol 15, Iss 15, p 5716 (2022)
Carbon dioxide (CO2) has reached a higher level of emissions in the last decades, and as it is widely known, CO2 is responsible for numerous environmental problems, such as climate change. Thus, there is a great need for the application of CO2 captur
Externí odkaz:
https://doaj.org/article/ff4f0254a09140d7957f1741181c01d3
Autor:
Nikolaos Koukouzas, Stavros Kalaitzidis, Petros Koutsovitis, Antonios Bouzinos, Christos Karkalis, Pavlos Tyrologou, Dimitris Karapanos
Publikováno v:
Materials Proceedings, Vol 5, Iss 1, p 103 (2022)
This review presents a mineralogical and physicochemical comparison of coal seams located in the regions of Northwest and Central Greece. The comparison extends to the fly ash derivatives from the coal combustion for energy production, in the cases w
Externí odkaz:
https://doaj.org/article/6809eb0998a24344990a0a86cb16db7a
Autor:
Ioanna Badouna, Spiros Neokosmidis, Michael Stamatakis, Christos Karkalis, Nikolaos Koukouzas, Petros Koutsovitis
Publikováno v:
Materials Proceedings, Vol 5, Iss 1, p 3 (2021)
Greece is considered as one of the most common producers of gypsum-anhydrite in Europe. The low content of impurities of these evaporite minerals, their big reserves and the low cost of logistics costs makes them exploitable and applicable for a rang
Externí odkaz:
https://doaj.org/article/27a46b22b51641fbae0247c62eaa3dc1
Autor:
Konstantina Pyrgaki, Vasiliki Gemeni, Christos Karkalis, Nikolaos Koukouzas, Petros Koutsovitis, Petros Petrounias
Publikováno v:
Minerals, Vol 11, Iss 8, p 860 (2021)
Μining waste, processing by-products and mine water discharges pose a serious threat to the environment as in many cases they contain high concentrations of toxic substances. However, they may also be valuable resources. The main target of the curre
Externí odkaz:
https://doaj.org/article/3fb6c90b3c2b4a008be2cc94e25501b0
Autor:
Nikolaos Koukouzas, Pavlos Tyrologou, Dimitris Karapanos, Júlio Carneiro, Pedro Pereira, Fernanda de Mesquita Lobo Veloso, Petros Koutsovitis, Christos Karkalis, Eleonora Manoukian, Rania Karametou
Publikováno v:
Energies, Vol 14, Iss 11, p 3321 (2021)
In West Macedonia (Greece), CO2 accounts as one of the largest contributors of greenhouse gas emissions related to the activity of the regional coal power plants located in Ptolemaida. The necessity to mitigate CO2 emissions to prevent climate change
Externí odkaz:
https://doaj.org/article/50623a362e7a490da02669e0444b5604
Autor:
Ioanna Badouna, Petros Koutsovitis, Christos Karkalis, Konstantinos Laskaridis, Nikolaos Koukouzas, Pavlos Tyrologou, Michalis Patronis, Christos Papatrechas, Petros Petrounias
Publikováno v:
Minerals, Vol 10, Iss 6, p 507 (2020)
Greece is considered amongst the world’s top marble producers in the global carbonate ornamental stone market. Selected Greek carbonate ornamental stones considered in our study suite are characterized by their distinctive and in some cases unique
Externí odkaz:
https://doaj.org/article/6c9ac646b3f245cba2231ac336913193
Autor:
Apostolos Arvanitis, Petros Koutsovitis, Nikolaos Koukouzas, Pavlos Tyrologou, Dimitris Karapanos, Christos Karkalis, Panagiotis Pomonis
Publikováno v:
Energies, Vol 13, Iss 11, p 2707 (2020)
Underground geological energy and CO2 storage contribute to mitigation of anthropogenic greenhouse-gas emissions and climate change effects. The present study aims to present specific underground energy and CO2 storage sites in Greece. Thermal capaci
Externí odkaz:
https://doaj.org/article/ef272e9a1e6a4cb3a2590634bbc01f99
Autor:
Nikolaos Koukouzas, Petros Koutsovitis, Pavlos Tyrologou, Christos Karkalis, Apostolos Arvanitis
Publikováno v:
Minerals, Vol 9, Iss 10, p 627 (2019)
Pleistocene alkaline basaltic lavas crop out in the region of Volos at the localities of Microthives and Porphyrio. Results from detailed petrographic study show porphyritic textures with varying porosity between 15% and 23%. Data from deep and shall
Externí odkaz:
https://doaj.org/article/bf46b8de7c864e4989fa75d6247591c2