Search Results - "Ramírez, D.A."

Chlorophyll concentration in leaves is an indicator of potato tuber yield in water-shortage conditions by Ramírez, D.A., Yactayo, W., Gutiérrez, R., Mares, V., De Mendiburu, F., Posadas, A., Quiroz, R.

“…Chlorophyll concentration was higher and senescence rate, lower, in treatments that experienced water scarcity (DI50 and PRD25), which denoted stay-green…”
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Improving potato drought tolerance through the induction of long-term water stress memory by Ramírez, D.A., Rolando, J.L., Yactayo, W., Monneveux, P., Mares, V., Quiroz, R.

“…•Tubers from plants growing under mild water stress (primed seeds) were collected.•Plants from primed and non-primed seeds were submitted to a second water…”
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Fire increases the risk of higher soil N2O emissions from Mediterranean Macchia ecosystems by Karhu, K., Dannenmann, M., Kitzler, B., Díaz-Pinés, E., Tejedor, J., Ramírez, D.A., Parra, A., Resco de Dios, V., Moreno, J.M., Rubio, A., Guimaraes-Povoas, L., Zechmeister-Boltenstern, S., Butterbach-Bahl, K., Ambus, P.

“…Intensification of droughts under climate change is projected to increase fire frequency in the Mediterranean region. Fires cause direct emission of greenhouse…”
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Characterization of titanium aluminide alloy components fabricated by additive manufacturing using electron beam melting by Murr, L.E., Gaytan, S.M., Ceylan, A., Martinez, E., Martinez, J.L., Hernandez, D.H., Machado, B.I., Ramirez, D.A., Medina, F., Collins, S., Wicker, R.B.

“…Intermetallic, γ-TiAl, equiaxed, small-grain (∼2 μm) structures with lamellar γ/ α 2-Ti 3Al colonies with average spacing of 0.6 μm have been fabricated by…”
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Novel precipitate–microstructural architecture developed in the fabrication of solid copper components by additive manufacturing using electron beam melting by Ramirez, D.A., Murr, L.E., Martinez, E., Hernandez, D.H., Martinez, J.L., Machado, B.I., Medina, F., Frigola, P., Wicker, R.B.

“…► In this study we have fabricated copper monoliths by electron beam melting. ► We observe columnar Cu 2O (Cuprite) precipitates which extend in the build…”
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Characterization of Ti–6Al–4V open cellular foams fabricated by additive manufacturing using electron beam melting by Murr, L.E., Gaytan, S.M., Medina, F., Martinez, E., Martinez, J.L., Hernandez, D.H., Machado, B.I., Ramirez, D.A., Wicker, R.B.

“…Ti–6Al–4V open cellular foams were fabricated by additive manufacturing using electron beam melting (EBM). Foam models were developed from CT-scans of aluminum…”
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Influence of Substrate Temperature on Microstructure of Zirconium Silicon Nitride Thin Films Deposited by Reactive Magnetron Sputtering by Oliveira, F.S., Dias, I.L., Araújo, P.L.L., Ramirez, D.A., Silva Neto, P.C., Hübler, R., Mendes, F.M.T., Damasceno, I.Z., Tentardini, E.K.

“…Zr-Si-N thin films were co-deposited by reactive magnetron sputtering to verify the influence of silicon content (1.6 and 8.0 at. % Si) and substrate…”
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Comparison of Microstructures and Mechanical Properties for Solid and Mesh Cobalt-Base Alloy Prototypes Fabricated by Electron Beam Melting by Gaytan, S.M., Murr, L.E., Martinez, E., Martinez, J.L., Machado, B.I., Ramirez, D.A., Medina, F., Collins, S., Wicker, R.B.

“…The microstructures and mechanical behavior of simple, as-fabricated, solid geometries (with a density of 8.4 g/cm 3 ), as-fabricated and fabricated and…”
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Study of the surface chemistry, surface morphology, optical, and structural properties of InGaN thin films deposited by RF magnetron sputtering by Granada-Ramírez, D.A., Pulzara-Mora, A., Pulzara-Mora, C.A., Pardo-Sierra, A., Cardona-Bedoya, J.A., Pérez-González, M., Tomás, S.A., Gallardo-Hernández, S., Mendoza-Álvarez, J.G.

“…[Display omitted] •InGaN thin films were deposited on Si substrates by RF magnetron sputtering varying the substrate temperature.•The band-gap energy increases…”
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Nutritional, ruminal, and metabolic parameters of beef bulls fed high-energy diets as a function of dietary addition of a magnesium oxide blend associated or not with monensin by Nascimento, K.B., Zavala Ramírez, D.A., Meneses, J.A.M., Bethancourt-Garcia, J.A., Huang, L.K., Souza, J.M.C., Lino, R.A., Nascimento, K.G., Batista, E.D., Gionbelli, M.P.

“…This study aimed to evaluate the impact of a magnesium oxide blend (MG) and monensin (MON) on the nutritional, ruminal, and metabolic parameters of finishing…”
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Linking process-based potato models with light reflectance data: Does model complexity enhance yield prediction accuracy? by Quiroz, R., Loayza, H., Barreda, C., Gavilán, C., Posadas, A., Ramírez, D.A.

“…[Display omitted] •A reliable yield prediction was obtained using models of different complexity.•The use of light reflectance data allowed an improvement in…”
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Validation Of A Model of Juniperus asheii (Mountain Cedar) Pollen Allergy In The Biogenics Research Chamber by Jacobs, R.L, Ramirez, D.A, Andrews, C.P

“…To develop a controlled model of allergy to Juniperus asheii pollen, an antigen not previously utilized in chamber studies. Sensitized subjects responded in…”
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Juniperus asheii (Mountain Cedar) Pollen Utilized As An Antigen In The Biogenics Chamber: Comparison Of Natural And Controlled Exposures by Ramirez, D.A, Jacobs, R.L, Andrews, C.P

“…Juniperus asheii pollen allergy is a robust model commonly used in natural studies for pharmacologic efficacy…”
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Synergic adsorption in the simultaneous removal of acid blue 25 and heavy metals from water using a Ca(PO 3) 2-modified carbon by Tovar-Gómez, R., Rivera-Ramírez, D.A., Hernández-Montoya, V., Bonilla-Petriciolet, A., Durán-Valle, C.J., Montes-Morán, M.A.

“…► The simultaneous removal of AB25 and heavy metals has been studied using an activated carbon. ► Acid blue 25 favors the removal of heavy metals using a…”
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Quantum Dots-in-a-Well Focal Plane Arrays by Vandervelde, T.E., Lenz, M.C., Varley, E., Barve, A., Jiayi Shao, Shenoi, R.V., Ramirez, D.A., Wooyong Jan, Sharma, Y.D., Krishna, S.

“…In this paper, the basics and some of the recent developments in quantum dots-in-a-well (DWELL) focal plane arrays (FPAs) are reviewed. Fundamentally, these…”
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Dependence of the Performance of Single Photon Avalanche Diodes on the Multiplication Region Width by Ramirez, D.A., Hayat, M.M., Itzler, M.A.

“…The dependence of the performance of separate-absorption-multiplication (SAM) single-photon avalanche diodes (SPADs) on the width of the multiplication region…”
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ISPR8-1443 Model for the human and occupational development of persons with intellectual disability. Mixed methods by Seijas, V., Quintero, C., Ramírez, D.A., Pereira, D., Lugo, L.H., Giraldo, M., Rugeles, M.T.

“…The prevalence of intellectual disability (ID) in the world is 1 to 4%, in Latin America it is estimated to be four times higher. In Colombia it corresponds to…”
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Characterizing the diversity of sweetpotato through growth parameters and leaf traits: Precocity and light use efficiency as important ordination factors by Ramírez, D.A., Gavilán, C., Barreda, C., Condori, B., Rossel, G., Mwanga, R.O.M., Andrade, M., Monneveux, P., Anglin, N.L., Ellis, D., Quiroz, R.

“…Due to its low-input requirements, high yield capacity in marginal soils, and high carbohydrate and vitamin A content, sweetpotato is an important food…”
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EL TIEMPO DE INMERSIÓN EN CACL2 Y LA REFRIGERACIÓN MODIFICAN ALGUNAS CARACTERÍSTICAS FÍSICAS DEL FRUTO DE LULO (SOLANUM QUITOENSE LAM.) DURANTE LA POSCOSECHA -THE DURATION OF IMMERSION IN CACL2 AND REFRIGERATION MODIFY SOME PHYSICAL CHARACTERISTICS OF LULO (SOLANUM QUITOENSE LAM.) FRUIT DURING THE POSTHARVEST STAGE by Balaguera-López, H.E., Ramírez, D.A., Almanza-Merchán, P.J., Herrera, A.O.

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Detection efficiencies and generalized breakdown probabilities for nanosecond-gated near infrared single-photon avalanche photodiodes by Ramirez, D.A., Hayat, M.M., Karve, G., Campbell, J.C., Torres, S.N., Saleh, B.E.A., Teich, M.C.

“…A rigorous model is developed for determining single-photon quantum efficiency (SPQE) of single-photon avalanche photodiodes (SPADs) with simple or…”
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