Zobrazeno 1 - 10
of 83
pro vyhledávání: '"Daniel CRISTEA"'
Autor:
Dumitru CALENDARI, Daniel CRISTEA
Publikováno v:
Buletinul Științific al Universității de Stat „B.P. Hasdeu” din Cahul: Științe Sociale, Vol XVIII, Iss 1, Pp 102-112 (2024)
In the present article was carried out a research of judicial practice and the procedural-criminal norms regarding the deadline for decalraing the appeal against the decisions of the appeal courts. The presented problem consists in the scientific sub
Externí odkaz:
https://doaj.org/article/167720159fc04d9789dd327cf1debbeb
Autor:
Dumitru CALENDARI, Daniel CRISTEA
Publikováno v:
Buletinul Științific al Universității de Stat „B.P. Hasdeu” din Cahul: Științe Sociale, Vol XVII, Iss 2, Pp 62-68 (2023)
In the present article was carried out a research of judicial practice and the procedural-criminal norms regarding attributing the quality of successor of the deceased victim to the surviving spouse. The presented problem consists in the scientific s
Externí odkaz:
https://doaj.org/article/fcaf18050b124fb69950176b383d6871
Autor:
Teodora Matei, Vasile Tiron, Roxana Jijie, Georgiana Bulai, Ioana-Laura Velicu, Daniel Cristea, Valentin Crăciun
Publikováno v:
Frontiers in Chemistry, Vol 11 (2023)
In the global context of climate change and carbon neutrality, this work proposes a strategy to improve the light absorption of photocatalytic water-splitting materials into the visible spectrum by anion doping. In this framework, reactive high power
Externí odkaz:
https://doaj.org/article/fd69c91434d74be8a1b5dfc5ca7e64a5
Autor:
Mihail Lungu, Daniel Cristea, Flaviu Baiasu, Cornel Staicu, Alexandru Marin, Oana Gloria Pompilian, Bogdan Butoi, Claudiu Locovei, Corneliu Porosnicu
Publikováno v:
Nanomaterials, Vol 12, Iss 16, p 2870 (2022)
Direct current (DC) and radio frequency (RF) magnetron sputtering methods were selected for conducting the deposition of structural materials, namely ceramic and metallic co-depositions. A total of six configurations were deposited: single thin layer
Externí odkaz:
https://doaj.org/article/2befa6e4263244108671e2cc7d98452b
Publikováno v:
Journal of Low Frequency Noise, Vibration and Active Control, Vol 39 (2020)
To effectively utilize a feature set to further improve fault diagnosis of a rolling bearing vibration signal, a method based on multi-fractal detrended fluctuation analysis (MF-DFA) and smooth intrinsic time-scale decomposition (SITD) was proposed.
Externí odkaz:
https://doaj.org/article/d934f9f0242849389f6d5b2656491570
Room Temperature Deposition of Nanocrystalline SiC Thin Films by DCMS/HiPIMS Co-Sputtering Technique
Autor:
Vasile Tiron, Elena-Laura Ursu, Daniel Cristea, Georgiana Bulai, George Stoian, Teodora Matei, Ioana-Laura Velicu
Publikováno v:
Nanomaterials, Vol 12, Iss 3, p 512 (2022)
Due to an attractive combination of chemical and physical properties, silicon carbide (SiC) thin films are excellent candidates for coatings to be used in harsh environment applications or as protective coatings in heat exchanger applications. This w
Externí odkaz:
https://doaj.org/article/92d094c5d20d494d9b6d0a1b68e4ad26
Autor:
Guangyu Yan, Yuhou Wu, Daniel Cristea, Feng Lu, Yibao Wang, Dehong Zhao, Mircea Tierean, Lusheng Liu
Publikováno v:
Results in Physics, Vol 13, Iss , Pp - (2019)
Single layer diamond coatings, deposited on cobalt cemented tungsten carbide (WC-Co), with CH4 concentrations of 1%, 3% and 5% were prepared, by hot filament chemical vapor deposition (HFCVD). Moreover, according to the characteristics of different k
Externí odkaz:
https://doaj.org/article/cdcb4be456c648ddb3a507024704fa0e
Autor:
Yuhou Wu, Huisen Zhang, Guangyu Yan, Lusheng Liu, Daniel Cristea, He Wang, Yumiao Yang, Jianhui Shen
Publikováno v:
Materials Research Express, Vol 8, Iss 11, p 116403 (2021)
The influence of some key parameters of hot filament chemical vapor deposition (HFCVD) on the temperature distribution during the deposition of diamond coatings on silicon nitride (Si _3 N _4 ) substrates was assessed with the help of the finite elem
Externí odkaz:
https://doaj.org/article/b9472cd62ed04046b8cb2a087c889d45
Autor:
Tibor Bedo, Bela Varga, Daniel Cristea, Alexandra Nitoi, Andrea Gatto, Elena Bassoli, Georgiana Bulai, Ioana-Laura Velicu, Ioana Ghiuta, Sorin Munteanu, Mihai Alin Pop, Camelia Gabor, Mihaela Cosnita, Luminita Parv, Daniel Munteanu
Publikováno v:
Metals, Vol 9, Iss 5, p 483 (2019)
Rapid solidification with high cooling rates of metal alloys determines both the improvement of mechanical properties, due to the finishing of the structure, as well as obtaining metastable structures in the form of supersaturated or amorphous/nano s
Externí odkaz:
https://doaj.org/article/26dab0b2da0d428f9d71526da73ff256
Autor:
Daniel Cristea, Luis Cunha, Camelia Gabor, Ioana Ghiuta, Catalin Croitoru, Alexandru Marin, Laura Velicu, Alexandra Besleaga, Bogdan Vasile
Publikováno v:
Nanomaterials, Vol 9, Iss 3, p 476 (2019)
Tantalum oxynitride thin films have been deposited by reactive magnetron sputtering, using a fixed proportion reactive gas mixture (85% N2 + 15% O2). To produce the films, the partial pressure of the mixture in the working atmosphere was varied. The
Externí odkaz:
https://doaj.org/article/333b1ec815944f60892171a05fb0940a