Zobrazeno 1 - 10
of 96
pro vyhledávání: '"Carlos Guerra P"'
Autor:
José Antônio de Oliveira, Juliano Bahiense Stafanato, Rosimar de Souza Goulart, Everaldo Zonta, Eduardo Lima, Nelson Mazur, Carlos Guerra Pereira, Heraldo Namorato de Souza, Fábio Gerl Martins Costa
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 38, Iss 5, Pp 1558-1564 (2014)
Nos últimos anos, novas tecnologias têm sido desenvolvidas para reduzir as perdas de N quando se utiliza ureia como fonte desse macronutriente. A utilização de fertilizantes de características ácidas pode reduzir as perdas de amônia por volati
Externí odkaz:
https://doaj.org/article/0c38e275b3f3460aa86f317fa976b761
Autor:
Juliano Bahiense Stafanato, Rosimar de Souza Goulart, Everaldo Zonta, Eduardo Lima, Nelson Mazur, Carlos Guerra Pereira, Heraldo Namorato de Souza
Publikováno v:
Revista Brasileira de Ciência do Solo, Vol 37, Iss 3, Pp 726-732 (2013)
Novas tecnologias com o intuito de minimizar as perdas de N-NH3 por volatilização devem ser desenvolvidas para aumentar a eficiência de uso do N-ureia. A incorporação de boro e cobre na ureia pode reduzir esses efeitos por meio da inibição da
Externí odkaz:
https://doaj.org/article/18bdcefa36ba4f278cfe92e02b15aab9
Autor:
Juan Carlos Guerra-Mera, Ángel Ramón Sabando García, Miriam Goretty Pin -Mera, Joan Manuel Rodríguez-Díaz, Abel Castañeda-Valdés
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 9, Iss , Pp 100703- (2024)
This manuscript investigates the atmospheric corrosion of carbon steel in Puerto Lopez, a coastal region in Manabí Province, Ecuador. For the study, six outdoor exposure sites (OES) were strategically placed at different distances from the coast to
Externí odkaz:
https://doaj.org/article/4b56e65e4a054fd2ac22bcb66dff1026
Autor:
Luis Arturo Ruiz‐Preciado, Petr Pešek, Carlos Guerra-Yánez, Zabih Ghassemlooy, Stanislav Zvánovec, Gerardo Hernandez-Sosa
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-9 (2024)
Abstract Emerging areas such as the Internet of Things (IoT), wearable and wireless sensor networks require the implementation of optoelectronic devices that are cost-efficient, high-performing and capable of conforming to different surfaces. Organic
Externí odkaz:
https://doaj.org/article/6b8a3f320031453e9303215647f8c620
Autor:
Pierre Ganault, Christian Ristok, Helen R ¨Phillips, Mickael Hedde, Yvan Capowiez, Nicolas Bottinelli, Thibaud Decaëns, Daniel Marchan, Sylvain Gerard, Jérôme Mathieu, Anton Potapov, Erin K Cameron, George Brown, Marie Bartz, Romy Zeiss, Yacouba Zi, Maria Tsiafouli, David J Russell, Carlos Guerra, Nico Eisenhauer
Publikováno v:
Soil Organisms, Vol 96, Iss 1 (2024)
Recent research on earthworms has shed light on their global distribution, with high alpha richness in temperate zones and high beta diversity in tropical areas. Climate and agricultural practices, notably plowing and conservation methods, were shown
Externí odkaz:
https://doaj.org/article/cb6cdaeb139f489d8840c40a05130c05
Autor:
Henar Pascual, Juan Carlos Guerra
Publikováno v:
Frontiers in Sustainable Food Systems, Vol 8 (2024)
Over the last few decades, cities have taken on an active role in the formulation of food policies in line with the transition toward local, sustainable food systems. These policies have been materialized through the formulation of systemic, holistic
Externí odkaz:
https://doaj.org/article/15341dd5c4a444b9902b1eb1363a6d97
ESTUDIO DEL DESEMPEÑO POR DURABILIDAD DEL HORMIGÓN EN UNA ZONA DEL PERFIL COSTERO DE MANABÍ, ECUADOR
Autor:
Juan Carlos Guerra Mera
Publikováno v:
Revista CENIC Ciencias Químicas, Vol 54, Pp 238-241 (2023)
El deterioro anticipado de las estructuras de hormigón armado expuestas al impacto del ambiente agresivo costero de la atmósfera, debido principalmente al fenómeno de la corrosión atmosférica del acero de refuerzo, constituye actualmente un prob
Externí odkaz:
https://doaj.org/article/593efe7a546043199730027d2ae1c262
Autor:
Juan Carlos Guerra Mera, Abel Castañeda Valdés, Miriam Goretty Pin Mera, Melissa Monserrate Pin Palma, Jenniffer Leonor Pisco Suarez
Publikováno v:
Revista CENIC Ciencias Químicas, Vol 54, Pp 166-182 (2023)
Se realizó un estudio basado en la evaluación de la corrosividad de la atmósfera sobre el acero al carbono en una zona costera del cantón de Manta en Manabí, Ecuador. Ocho sitios de exposición fueron seleccionados a diferentes distancias desde
Externí odkaz:
https://doaj.org/article/60d7eb1c06eb445dae3617e8ec8f4b6c
Akademický článek
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Autor:
Carlos Guerra, Sarvesh Kumar, Fernando Aguilar-Galindo, Sergio Díaz-Tendero, Ana I. Lozano, Mónica Mendes, Paulo Limão-Vieira, Gustavo García
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
Abstract Superoxide anions colliding with benzene molecules at impact energies from 200 to 900 eV are reported for the first time to form massive complexes. With the aid of quantum chemistry calculations, we propose a mechanism in which a sudden doub
Externí odkaz:
https://doaj.org/article/b84e4314d78c4cd29c9c741e1f47e26c