Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Alfredo Valverde"'
Autor:
Alfredo Valverde Lucio, Fernando Ayon Villao, Juan García Cabrera, Julio Gabriel Ortega, Raquel Vera Velázquez
Publikováno v:
Serie Científica de la Universidad de las Ciencias Informáticas, Vol 15, Iss 11, Pp 37-55 (2022)
El estudio tuvo como objetivo caracterizar física y químicamente los suelos cafetaleros del sur de Manabí. La investigación se realizó en 7 parroquias de los 4 cantones productores de café de la provincia: Jipijapa, Paján, 24 de Mayo y Santa A
Externí odkaz:
https://doaj.org/article/709c24f8d05e41bbb4a680de04f988a5
Autor:
Alfredo Valverde Lucio, Ana Gonzalez-Martínez, Julio Gabriel Ortega, Evangelina Rodero Serrano
Publikováno v:
Animals, Vol 13, Iss 19, p 3086 (2023)
Ecuadorian small producers use crossbred animals with a low level of genetic improvement, which are fed with alternative feeds to decrease production costs. The objective of this study was to evaluate the effects of geographical location and three di
Externí odkaz:
https://doaj.org/article/a71220e6815743169715eb184655b0d6
Publikováno v:
Animals, Vol 13, Iss 3, p 356 (2023)
Pork production in Ecuador is of significant economic and nutritional importance. Many of these operations are family- or backyard-based and utilize alternative feed ingredients to reduce production costs. The current study aimed to determine the che
Externí odkaz:
https://doaj.org/article/504d6424e1b14348b977df71b5ae46ce
Autor:
Alfredo Valverde Lucio, Ana Gonzalez-Martínez, Jose Luis Alcívar Cobeña, Evangelina Rodero Serrano
Publikováno v:
Animals, Vol 11, Iss 6, p 1728 (2021)
To characterize the traditional systems of small pig producers in Jipijapa (Manabí, Ecuador) and to classify farms into representative categories, we interviewed fifty-five farmers from seven communities considering four dimensions: social, organiza
Externí odkaz:
https://doaj.org/article/0211f77c37bb49e88fce7f347348ca37
Autor:
Alfredo Valverde, Panagiotis Tsiotras
Publikováno v:
Frontiers in Robotics and AI, Vol 5 (2018)
This paper lays out a framework to model the kinematics and dynamics of a rigid spacecraft-mounted multibody robotic system. The framework is based on dual quaternion algebra, which combines rotational and translational information in a compact repre
Externí odkaz:
https://doaj.org/article/19cb5010e9d3423bb51abe49486f488e
Autor:
Alfredo Valverde, Panagiotis Tsiotras
Publikováno v:
Robotics, Vol 7, Iss 4, p 64 (2018)
In recent years, there has been a growing interest in servicing orbiting satellites. In most cases, in-orbit servicing relies on the use of spacecraft-mounted robotic manipulators to carry out complicated mission objectives. Dual quaternions, a mathe
Externí odkaz:
https://doaj.org/article/fd28ed6a50454bcabb0b36873ac5f52e
Akademický článek
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Akademický článek
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Autor:
Alfredo Valverde Lucio, Emily Dayanna Echeverria Parrales, Tomas Fuentes Figueroa, Nestor Orlando Indacochea, Wilfrido Del Valle Holguin
Publikováno v:
UNESUM-Ciencias. Revista Científica Multidisciplinaria. ISSN 2602-8166. 6:73-86
Se estudió el comportamiento del cerdo alimentado con alternativas alimenticias en la comuna Joa, tuvo como objetivos. La investigación es de tipo descriptiva correlacional, y se aplicó una metodología bibliográfica documental y de campo, apoyad
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::18551eb2e298ba6da3061e0c79080f77
https://doi.org/10.47230/unesum-ciencias.v6.n2.2022.629
https://doi.org/10.47230/unesum-ciencias.v6.n2.2022.629
Autor:
Brandon D. Dube, A. J. Riggs, Brian D. Kern, Eric J. Cady, John E. Krist, Hanying Zhou, Bijan Nemati, Byoung-Joon Seo, John Steeves, David Arndt, Milan Mandić, Joel Shields, Dhemetrios Boussalis, Alfredo Valverde, Zahidul Rahman, Nanaz Fathpour
Publikováno v:
Journal of the Optical Society of America. A, Optics, image science, and vision. 39(12)
Astronomical instruments to detect exoplanets require extreme wavefront stability. For these missions to succeed, comprehensive and precise modeling is required to design and analyze suitable coronagraphs and their wavefront control systems. In this
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4de6ccdc262c5d81a308d1756c38795f
https://pubmed.ncbi.nlm.nih.gov/36520751
https://pubmed.ncbi.nlm.nih.gov/36520751