Zobrazeno 1 - 10 of 96 pro vyhledávání: '"German A. Ramos"'
1
Akademický článek
Risk factors associated with some types of cancer in the elderly
Autor: Elidia Valladares Padrón, Fidel Cala Delgado, Osvaldo García Aragón, Gilberto Martínez Rojas, German Pintado Ramos
Publikováno v: Universidad Médica Pinareña, Vol 18, Iss 4, Pp e933-e933 (2022)
Introduction: cancer is a disease of multifactorial origin, related to genetic and environmental risk factors. Aging is a phenomenon that occurs in the world and in Cuba. Objective: to evaluate the risk factors associated with some types of cancer i
Externí odkaz: https://doaj.org/article/9bc0d924a8f942b3b9bb811ca4870638
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2
Akademický článek
Takotsubo cardiomyopathy Afatinib-related in a non-small cell lung cancer patient: Case report
Autor: German E. Ramos, Christian Caglevic, Juan F. Bulnes, Sergio E. Panay, Mario I. Zapata, Andrés J. Daniele, Manuel E. Rodríguez
Publikováno v: Frontiers in Cardiovascular Medicine, Vol 9 (2022)
Endothelial Growth Factor Receptor (EGFR) mutations are frequently found among NSCLC patients. Second-generation Tyrosine Kinase Inhibitor (TKI) Afatinib is frequently used in this population of patients achieving better results than cytotoxic chemot
Externí odkaz: https://doaj.org/article/82654d635cd445d090bd7219a0daaa9d
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3
Report
Path Integral Quantization of Generalized Quantum Electrodynamics
Autor: Bufalo, Rodrigo, Pimentel, Bruto Max, Zambrano, German Enrique Ramos
Publikováno v: Phys.Rev.D83:045007,2011
In this paper, a complete covariant quantization of generalized electrodynamics is shown through the path integral approach. To this goal, we first studied the hamiltonian structure of system following Dirac's methodology and, then, we followed the F
Externí odkaz: http://arxiv.org/abs/1008.3181
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5
Akademický článek
High performance control of a three-phase PWM rectifier using odd harmonic high order repetitive control
Autor: German Andrés Ramos Fuentes, Jenny Alexandra Cifuentes Quintero, Iván Dario Melo Lagos
Publikováno v: Dyna, Vol 83, Iss 198, Pp 27-36 (2016)
The control goal for three-phase pulse width-modulated rectifiers focuses on generating sinusoidal input currents and regulating the DC output voltage. Despite the fact that control strategies such as resonant and repetitive control have been propose
Externí odkaz: https://doaj.org/article/2bfbd103c8b6421092d31eb8a1795a0d
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6
Eco-design of an air conditioning system decrease in carbon footprint
Autor: Ricardo Muñoz Farfán, Telly Yarita Macías Zambrano, German Temistocles Ramos León, Eder Israel Chinga Muentes, Fabián Enrique Lozada Almendariz
Publikováno v: International journal of physical sciences and engineering. 6:39-49
The appropriate use of energy is vital for the sustainable development of society in the different productive areas such as the industrial, commercial and domestic sectors, in this sense the machines must use suitable materials tending to reduce the
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8add3aa9b83d4d650476a1dfb5a264ac
https://doi.org/10.53730/ijpse.v6n1.4313
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7
Power Quality Improvement through a UPQC and a Resonant Observer-Based MIMO Control Strategy
Autor: German A. Ramos, Holman Bueno-Contreras, Ramon Costa-Castelló
Publikováno v: Energies, Vol 14, Iss 6938, p 6938 (2021)
Energies
Volume 14
Issue 21
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Performance degradation is, in general, regarded as a power quality problem. One solution to recover grid performance is through the application of a unified power quality conditioner (UPQC). Although these devices are multi-input/multi-output (MIMO)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::75810f5f94587ca22eeefda8a1aa8b41
https://www.mdpi.com/1996-1073/14/21/6938
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9
Robust Repetitive Control of Power Inverters for Standalone Operation in DG Systems
Autor: German A. Ramos, Ricardo Isaza Ruget, Ramon Costa-Castelló
Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
instname
UPCommons. Portal del coneixement obert de la UPC
Universitat Politècnica de Catalunya (UPC)
Standalone operation of an inverted-based distributed generation unit is performed in voltage control mode. In this mode, it is important that the controller provides tracking and rejection of periodic signals. Strategies like Repetitive Control (RC)
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::01cee69e368be0f85da1052f2fc914a3
http://hdl.handle.net/10261/227729
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10
Análisis de la enseñanza de conceptos cuánticos en la unidad de 'Estructura atómica de la materia' en libros de texto
Autor: Zulman Estela Muñoz-Burbano, Jordi Solbes, German Enrique Ramos
Publikováno v: Muñoz Burbano, Zulman Estela Solbes Matarredona, Jordi Ramos Zambrano, Germán Enrique 2020 Análisis de la enseñanza de conceptos cuánticos en la unidad de 'Estructura atómica de la materia' en libros de texto Praxis & Saber 11 27 e10754
RODERIC: Repositorio Institucional de la Universitat de Valéncia
instname
Praxis & Saber, Vol 11, Iss Didáctica de las Ciencias Experimentales, Pp 1-18 (2020)
RODERIC. Repositorio Institucional de la Universitat de Valéncia
ResumenEn el artículo se analiza cómo se presentan conceptos cuánticos en la unidad de 'Estructura atómica de la materia' en los libros de texto de grado décimo en el área de química. El objetivo es indagar si en esta unidad se realiza la tran
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::52467fdb346e2ea49340305d49fc8c9e
https://hdl.handle.net/10550/76494
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