Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Melvin AL"'
Autor:
Melvin Alfonso Garcia-Espinal, Francisco-Javier Sanchez-Romero, Modesto Perez-Sanchez, P. Amparo Lopez-Jimenez
Publikováno v:
Results in Engineering, Vol 23, Iss , Pp 102609- (2024)
Irrigation systems significantly enhance agricultural productivity but are also substantial consumers of water, energy, and natural resources. The need to optimize their design encouraged agronomic engineering to develop various methods for improving
Externí odkaz:
https://doaj.org/article/39b134593a9b4f71a77cd867c64aa7c0
Autor:
Ana Gabriela Pérez-Castillo, Weynner Giraldo-Sanclemente, Mayela Monge-Muñoz, Cristina Chinchilla-Soto, Melvin Alpízar-Marín, Mohammad Zaman
Publikováno v:
Frontiers in Agronomy, Vol 6 (2024)
Urea is widely used as nitrogen (N) source for rice fertilization in Costa Rica, despite its low efficiency linked to ammonia losses. To assess urea management alternatives, two field experiments were conducted in the Central Pacific region of Costa
Externí odkaz:
https://doaj.org/article/d4e3a830e1424879b99188986aadf6e9
Autor:
Melvin Alfonso Garcia-Espinal, Modesto Pérez-Sánchez, Francisco-Javier Sánchez-Romero, P. Amparo López-Jiménez
Publikováno v:
Water, Vol 16, Iss 8, p 1131 (2024)
In 2030, the world population will exceed 8.5 billion, increasing the challenges to satisfy basic needs for food, shelter, water, and/or energy. Irrigation plays a vital role in productive and sustainable agriculture. In the current context, it is de
Externí odkaz:
https://doaj.org/article/9fc4b69a4eb14aa5b1280a610c98f217
Publikováno v:
Current Medical Issues, Vol 20, Iss 3, Pp 138-142 (2022)
Background: Glidescope video-laryngoscope (GVL) is an invaluable equipment for patients with anticipated difficult intubations that aids in visualizing the vocal cords out of line-of-sight. However, despite the ease in the visualization and shortenin
Externí odkaz:
https://doaj.org/article/987bce6d4e9f4001935784c3aeef7b38
Autor:
Zainal Mustaffa, Santiagoo Ragunathan, Ahmad Razi, Mohammed Syakirah Afiza, Ahmad Abdul Ghapar, Vijean Vikneswaran, Amneera Wan Amiza, Melvin Allan
Publikováno v:
E3S Web of Conferences, Vol 437, p 04004 (2023)
Compatibilizers effect on recycled acrylonitrile butadiene rubber (NBRr) with polypropylene (PP) and sugarcane bagasse (SCB) composite for mechanical properties is evaluated. Trans-Polyoctylene Rubber (TOR) and Bisphenol a Diglycidyl Ether (DGEBA) ar
Externí odkaz:
https://doaj.org/article/b00eafc9fce740b59b68324eb092f9b5
Autor:
Alexander Pierer, Markus Hauser, Michael Hoffmann, Martin Naumann, Thomas Wiener, Melvin Alexis Lara de León, Mattias Mende, Jiří Koziorek, Martin Dix
Publikováno v:
Sensors, Vol 22, Iss 24, p 9646 (2022)
Perfectly coated surfaces are an essential quality feature in the automotive and consumer goods industries. They are the result of an optimized, controlled coating process. Because entire assemblies could be rejected if Out-of-Specification (OOS) par
Externí odkaz:
https://doaj.org/article/34760305e4f04e3f9237d014747dc39a
Autor:
Melvin Alfonso García Espinal, Pilar Conejos, Petra Amparo López-Jiménez, Modesto Pérez-Sánchez
Publikováno v:
Water, Vol 14, Iss 10, p 1535 (2022)
The constant growth of the population and the increase in the need for resources create challenges, and it is necessary to seek more sustainable solutions to manage them more adequately and efficiently. In recent years, the use of renewable energy sy
Externí odkaz:
https://doaj.org/article/f1e01b2ba0244052b1df50b267e19396
Publikováno v:
Journal of Science Learning, Vol 1, Iss 3, Pp 104-109 (2018)
This study was intended to investigate students’ cognitive and attitude of secondary school in learning global warming using Student Team Achievement Division (STAD) based on gender. This study was conducted at one of bilingual boarding school in B
Externí odkaz:
https://doaj.org/article/87b4db5b76574ce0812f43eb2cccc0b8
Autor:
Melvin Alonso Elizondo-Pérez
Publikováno v:
Tecnología en Marcha, Vol 31, Iss 5 (2019)
QueremoSaber es una herramienta que facilita la solicitud de información a entidades públicas en Paraguay. En la actualidad el sistema no está siendo utilizado debido a un cambio que hubo en la ley; este establece que debe existir una plataforma
Externí odkaz:
https://doaj.org/article/090a2d74dea24051a6c02b41fa4938b5