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Listar por palabra clave "Substrates"

Mostrando ítems 1-20 de 24

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Accurate and Efficient Design of Double Post Substrate Integrated Waveguide Filters Using Simulators Based on Open Space Modal Expansions

Díaz Caballero, Elena; Morro, J. V.; Esteban González, Héctor; Boria Esbert, Vicente Enrique; Belenguer Martínez, Ángel (IEEE, 2012-11-12)

An Agressive Space Mapping (ASM) strategy for efficiently and accurately designing passive filters in substrate integrated waveguide (SIW) technology is presented and successfully validated for the double post topology. ...
Arrangement of Type IV Collagen and Laminin on Substrates with Controlled Density of ¿OH Groups

Coelho, Nuno Miranda; González García, Cristina; Salmerón Sánchez, Manuel; Altankov, George (Mary Ann Liebert, 2011)

Collagen IV (Col IV) and laminin (Lam) are the main structural components of the basement membrane where they form two overlapping polymeric networks. We studied the adsorption pattern of these proteins on five model ...
Assessment of parameters influencing fiber characteristics of electrospun Poly(ethyl methacrylate) scaffolds

Gómez-Tejedor, José Antonio; Van Overberghe, Niek; Rico Tortosa, Patricia María; Gómez Ribelles, José Luís (Elsevier, 2011)

This work evaluates the influence of electrospinning process parameters on the mean diameter and standard deviation of fiber diameters in electrospun poly(ethyl methacrylate) (PEMA). Processing conditions were selected ...
Caracterización de materiales de almendro y mejora del desarrollo de planta joven

Mondragón Valero, Alba (Universitat Politècnica de València, 2022-07-18)

[ES] Uno de los mayores retos en los que incurre la producción agrícola hoy en día reside en alimentar de forma sostenible a una población creciente a la vez que concentra sus esfuerzos en hacerlo con el menor impacto ...
Characterisation of chemical bath deposited CdS thin films on different substrates using electrolyte contacts

Samantilleke, Anura Priyajith; Cerqueira, M.F.; Heavens, S.; Warren, P.; Dharmadasa, I.M.; Muftah, G.E.A.; Silva, C.J.R.; Marí Soucase, Bernabé (Elsevier, 2011-08)

Aqueous electrolyte contacts have been used to characterize CdS thin films grown using chemical bath deposition (CBD) on 4 different fluorine-doped tin oxide (FTO) coated conducting glass substrates (identified by the ...
Characterization of Crosslinked Poly(vinyl alcohol)-Based Membranes with Different Hydrolysis Degrees for Their Use as Electrolytes in Direct Methanol Fuel Cells

Martinez-Felipe, Alfonso; Moliner Estopiñán, Cristina Elia; Imrie, Corrie Thomas; Ribes Greus, María Desamparados (Wiley, 2012-04-15)

The effect of the degree of hydrolysis of poly(vinyl alcohol) (PVA) substrates on the preparation and properties of crosslinked membranes prepared via esterification with sulfosuccinic acid (SSA) has been studied using ...
Desarrollo de una herramienta software para la selección de substratos adecuados en el diseño de circuitos microstrip y stripline a frecuencias de microondas

Sancho Sanz, Gonzalo (Universitat Politècnica de València, 2024-10-10)

[ES] En este trabajo se desarrollará una herramienta software en Matlab que ayude a la selección de los substratos adecuados para el diseño de circuitos microstrip a las frecuencias de microondas. Se considerarán como datos ...
Diseño y caracterización de sustratos para antenas impresas flexibles

Borjabad Iruela, Julia (Universitat Politècnica de València, 2023-09-07)

[ES] Uno de los componentes fundamentales de los sistemas de telecomunicaciones son las antenas, que son dispositivos que transmiten y reciben ondas electromagnéticas por el espacio libre. La electrónica impresa flexible ...
Effect of water and straw management practices on methane emissions from rice fields: A review through a meta-analysis

Sanchís Jiménez, Elena María; Ferrer Roglán, Marta; Torres, Antonio G.; Cambra López, María; Calvet Sanz, Salvador (Mary Ann Liebert, 2012-12)

[EN] Rice fields contribute substantially to global warming of the atmosphere through emission of methane (CH4). This article reviews the state of the art of factors affecting CH4 emissions in rice fields, focusing on soil ...
Effects of cation composition of the nutrient solution on tipburn incidente in strawberry (Fragaria x ananassa Duch.) soilless cultivation

López Galarza, Salvador Vicente; Escrivá, E.; San Bautista Primo, Alberto; Pascual España, Bernardo; Maroto Borrego, José Vicente (International Society for Horticultural Science (ISHS), 2003-09-30)

Six nutrient solutions were used to fertigate strawberry plants (cv ‘Camarosa’) in coconut peat grown under a glasshouse. Different proportions of K+, Ca2+ and Mg2+ in the nutrient solutions were adjusted following a {3,2} ...
Electrochemical characterization of a NiCo/Zn cathode for hydrogen generation

Herraiz-Cardona, Isaac; Ortega Navarro, Emma María; Vázquez-Gómez, Lourdes; Pérez-Herranz, Valentín (PERGAMON-ELSEVIER SCIENCE LTD, 2011-09)

[EN] Hydrogen is considered to be the most promising candidate as a future energy carrier. One of the most used technologies for the electrolytic hydrogen production is alkaline water electrolysis. However, due to the high ...
Estudi de la propagació i desenvolupament de Mentha L. utilitzant diferents mescles de substrat i dosis de reg

Gil Muñoz, Rosa (Universitat Politècnica de València, 2016-10-20)

[ES] Se estudiará la propagación vegetativa de Mentha longifolia y sus primeros estadios de desarrollo en función de diversas combinaciones de substratos y frecuencias/dosis de riego. La Mentha longifolia objeto del trabajo ...
Estudio del estaquillado en Lippia citriodora: influencia de la incorporación de vermicompost a un substrato estándar

Gaibor Tulcanaz, Karen Anabel (Universitat Politècnica de València, 2016-10-20)

[ES] Teniendo en cuenta el uso e importancia de las plantas aromáticas y medicinales (PAM) y centrando el estudio en la Aloysia citriodora Palau, usada por sus propiedades medicinales y, en especial, por su aroma cítrico, ...
High-Directivity and low-loss directional couplers based on Empty Substrate Integrated Coaxial Line Technology

Herraiz, David; Esteban González, Héctor; Herraiz, Darío; de Dios, Juan J.; Fernández, Marcos D.; Belenguer, Ángel; Boria Esbert, Vicente Enrique (Institute of Electrical and Electronics Engineers, 2024)

[EN] High-directivity and low-loss directional couplers, based on Empty Substrate Integrated Coaxial Line (ESICL) technology, are presented in this article. The proposed coupled line direcional couplers, are based on ...
Highly Reliable and Repeatable Soldering Technique for Assembling Empty Substrate Integrated Waveguide Devices

Martinez, Juan A.; Belenguer, Angel; Esteban González, Héctor (Institute of Electrical and Electronics Engineers, 2019-11)

[EN] In this paper, a novel mymargin soldering technique that improves the fabrication process of empty substrate integrated waveguide (ESIW) devices is presented. Up until now, in order to fabricate an ESIW device, the ...
Hybrid Technique Plus Fast Frequency Sweep for the Efficient and Accurate Analysis of Substrate Integrated Waveguide Devices

Belenguer Martínez, Ángel; Esteban González, Héctor; Díaz Caballero, Elena; Bachiller Martin, Maria Carmen; Cascón López, Joaquín; Boria Esbert, Vicente Enrique (Institute of Electrical and Electronics Engineers (IEEE), 2011-03)

In this paper, we adapt a novel mode-matching and method-of-moments hybrid technique to efficiently analyze substrate integrated waveguide (SIW) based devices. The hybrid technique is formulated in terms of a single ...
Influence of Growing Media and Fruit Setting Procedure on Yield and Fruit Quality of Tripoid Watermelon

López Galarza, Salvador Vicente; Pérez, M.; San Bautista Primo, Alberto; Pascual España, Bernardo; Maroto Borrego, José Vicente; Miguel Gómez, Alfredo; Baixauli Soria, Carlos (International Society for Horticultural Science (ISHS), 2005-12-31)

The production of watermelon in soilless culture is increasing in importance as a complement of the grafting technique to control phytopathological problems. The influence of this crop production system in fruit quality, ...
Influencia de los abonos de liberación lenta y de sustratos con textiles industriales en el cultivo de Pelargonium zonale y Osteospermum ecklonis

Murciano Silla, Sara (Universitat Politècnica de València, 2015-07-01)

[EN] This research evaluates the influence of textile waste from recycled tires as culture medium at different doses in order to reduce the costs. Additionally, it was studied the application of slow release fertilizer (0 ...
Influencia del aporte de fibra de coco y diversas dosis de abonado nitrogenado sobre el desarrollo de ajenjo (Artemisia absinthium L.)

Bendix Hidalgo, Erick (Universitat Politècnica de València, 2016-11-28)

[EN] Wormwood is a species belonging to the group of "medicinal and aromatic plants" (MAP), which is very interesting because of the biocide properties of the extracts and essential oil. There are numerous studies of these ...
Low-loss Circularly Polarized Periodic Leaky-Wave Antenna

Sánchez-Escuderos, Daniel; Ferrando Bataller, Miguel; Herranz Herruzo, José Ignacio; Rodrigo Peñarrocha, Vicent Miquel (Institute of Electrical and Electronics Engineers (IEEE), 2016)

This letter presents a periodic leaky-wave array antenna with circular polarization at millimeter-wave frequencies. The antenna is designed on the low-loss planar Goubau transmission line to maximize the radiation efficiency ...