Zobrazeno 1 - 10
of 386
pro vyhledávání: '"Marco A. Teixeira"'
Publikováno v:
Anais da Academia Brasileira de Ciências, Vol 87, Iss 4, Pp 1905-1913 (2015)
Abstract For ε ≠ 0sufficiently small we provide sufficient conditions for the existence of periodic solutions for the Lienard differential equations of the form x ′′ + f ( x ) x ′ + n 2 x + g ( x ) = ε 2 p 1 ( t ) + ε 3 p 2 ( t ) , where n
Externí odkaz:
https://doaj.org/article/18402909a1fc41c598131c89388f6a91
Autor:
Marco Aurélio Teixeira Andrade, Bruna Cardoso Braga, Severino Delmar Junqueira Villela, Raphael dos Santos Gomes, Maria Eduarda Lara Resende, Guilherme Campos Leitão, Fernando de Paula Leonel
Publikováno v:
Semina: Ciências Agrárias, Vol 45, Iss 4 (2024)
The use of waste generated in the agroindustry can result in increased production at a relatively low cost compared to traditional ingredients, especially for producers with easy access to this waste. This study proposes to estimate the kinetics of p
Externí odkaz:
https://doaj.org/article/2d1abbdd39d04a25be498a2087683db8
Publikováno v:
Estudos Sociedade e Agricultura, Vol 31, Iss 2 (2023)
Este trabalho analisa o campo de estudos sobre sindicalismo rural no Brasil e está dividido em duas partes. Na primeira, analisamos eventos centrais e estudos sobre a trajetória do sindicalismo rural, com destaque para a experiência da Contag. Ao
Externí odkaz:
https://doaj.org/article/7cf052faa6da44f5b35bed76b69624eb
Publikováno v:
Cosmopolitan Civil Societies: An Interdisciplinary Journal, Vol 15, Iss 2 (2023)
This paper investigates the relationship between environmental, social, and governance (ESG) performance and gender equity in companies operating in the Global South. Using data from an ESG rating encompassing approximately 100 companies in one of th
Externí odkaz:
https://doaj.org/article/2280262ce06f40c19ac4fbd26baae3e4
Publikováno v:
Revista de Antropologia, 2016 Dec 01. 59(3), 239-264.
Externí odkaz:
https://www.jstor.org/stable/26605556
Autor:
Alvaro Cantieri, Matheus Ferraz, Guido Szekir, Marco Antônio Teixeira, José Lima, André Schneider Oliveira, Marco Aurélio Wehrmeister
Publikováno v:
Sensors, Vol 20, Iss 21, p 6384 (2020)
Realizing autonomous inspection, such as that of power distribution lines, through unmanned aerial vehicle (UAV) systems is a key research domain in robotics. In particular, the use of autonomous and semi-autonomous vehicles to execute the tasks of a
Externí odkaz:
https://doaj.org/article/6424b30f21f24f54b6d42eb5cfa66198
Publikováno v:
Journal of Differential Equations. 307:444-475
In this work a homoclinic-like loop of a 3D piecewise smooth vector field passing through a typical singularity is analyzed. We have shown that such a loop is robust in one-parameter families of Filippov systems. The basin of attraction of this conne
Autor:
Fernanda Aparecida Sales, Paulo Henrique Caramori, Wilian da Silva Ricce, Marco Aurélio Teixeira Costa, Geovanna Cristina Zaro
Publikováno v:
Semina: Ciências Agrárias, Vol 36, Iss 6, Pp 3567-3578 (2015)
The objective of this study was to evaluate the biomass production of elephant grass and leucaena in Paraná state, Brazil, for the generation of renewable energy. Two field studies were conducted in the municipality of Ibiporã (23° S, 51° 01?W).
Externí odkaz:
https://doaj.org/article/c25a4801aaf5470bbd51b0842f4f73aa
Publikováno v:
Diacronie. Studi di Storia Contemporanea, Vol 7, Iss 4, Pp 1-29 (2015)
This paper reflects upon the impact of union interventions, undertaken by the Ministry of Work, on the city’s and on the countryside’s workers’ movement during the first years of the Brazilian civilian-military dictatorship, from 1964 to 1965.
Externí odkaz:
https://doaj.org/article/6d202c5de4a1452fa7f24b77ab059250