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open access

Ultra-high Photoresponsivity in Suspended Metal-Semiconductor-Metal Mesoscopic Multilayer MoS₂ Broadband Detector from UV-to-IR with Low Schottky Barrier Contacts

Description: This article describes the performance of a multifaceted investigation comprising of atomic force microscopy (AFM0, photoluminescence (PL) and Raman spectroscopy to analyze the structural and chemical characteristics to help shed insights on the origins of the superior optoelectronic device performance.
Date: January 19, 2018
Creator: Saenz, Gustavo A.; Karapetrov, Goran; Curtis, James & Kaul, Anupama
Partner: UNT College of Engineering
open access

Modelos de Simulación a Diferentes Escalas de la Dinámica del Bosque Tropical. Reserva Forestal Imataca. Sector Central.

Description: Thesis submitted to the National Experimental University of Guayana as partial requirement for the degree of Master of Science in Environmental Science. This thesis discusses simulation models at different scales of tropical forest dynamics.
Date: June 2000
Creator: Delgado, Luz A. & Acevedo, Miguel F.
Partner: UNT College of Engineering
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Informacion Ambiental y Ecologica Sobre los Llanos del Rio Orinoco: Proyecto Orinoco-Apure: Seccion 3

Description: This report is section three of a study of the Llanos del Rio Orinoco. The aim of the study is to establish relationships between the characteristics of plant communities of the Central Plains of Venezuela and geomorfogenetica and pedogenic evolution during the Quaternary.
Date: June 1985
Creator: Acevedo, Miguel F.; Silva, Juan F. & Raventós, José
Partner: UNT College of Engineering
open access

Informacion Ambiental y Ecologica Sobre los Llanos del Rio Orinoco: Proyecto Orinoco-Apure: Secciones 1 y 2

Description: This report includes sections one and two of a study of the Llanos del Rio Orinoco. The aim of this study is to establish relationships between the characteristics of plant communities of the Central Plains of Venezuela and geomorfogenetica and pedogenic evolution during the Quaternary.
Date: June 1985
Creator: Acevedo, Miguel F.; Silva, Juan F. & Raventós, José
Partner: UNT College of Engineering
open access

PAN-EARTH Sub-Saharan Africa Workshop Report

Description: Report on the PAN-EARTH Sub-Saharan Africa Workshop. This workshop focused on the effects of global climate changes on the agriculture and ecology of the countries of sub-Saharan Africa.
Date: September 1989
Creator: Bezuneh, Taye; Harwell, Mark A.; Menyonga, Joseph Mufu; Acevedo, Miguel F.; Ackerman, Thomas P.; Aho, Nestor et al.
Partner: UNT College of Engineering
open access

Complejo Hidroelectrico General Jose Antonio Paez: Sedimentos en el Embalse

Description: This report is on a study to quantify the production of sediment created by erosion in the upper basin of the Rio Santo Domingo dam site and determine the magnitude of the problem of sedimentation in the "Hydroelectric Complex General Jose Antonio Paez" reservoir.
Date: 1975
Creator: Yanes, Adolfo & Guevara, Juan M.
Partner: UNT College of Engineering
open access

Taller de Trabajo: Evaluacion de Impactos de Cambios Climaticos Globales sobre el Sistema Agricola Venezolano

Description: This report discusses the Assessment of Impacts of Global Climatic Changes on the Venezuelan Agricultural System Workshop, as part of the PAN-EARTH Project, Venezuela case study.
Date: September 1991
Creator: Acevedo, Miguel F.; Andressen, Rigoberto; Calderon, Carlos; Capacho, Liliana; Bisbal, Evelyn; Hanes, Rexene et al.
Partner: UNT College of Engineering
open access

Taller de Trabajo sobre evaluación de los Efectos Ecológicos de los Cambios Climáticos Globales

Description: This report discusses the Ecological Effects Assessment of Climatic changes in Venezuela Workshop, organized by the PAN-EARTH Project and the Centre for Ecology of the Venezuelan Institute for Scientific Research (IVIC). The main objective was the evaluation of the effects of climate changes on the main ecosystems in Venezuela using ecological models.
Date: July 1990
Creator: Acevedo, Miguel F.; Andressen, Rigoberto; Arends, Ernesto; Azocar, Aura; Borges, Felix; Corvo, Fernando et al.
Partner: UNT College of Engineering
open access

Taller de Trabajo Sobre Modelaje de Cultivos: Entrenamiento y Calibracion Informe

Description: Report on a Modeling Crop and Climate Change workshop. The objectives of the workshop were: 1) train Venezuelan scientists in the use of agricultural models IBSNAT program (International Benchmark Sites Network for Agrotechnology Transfer), including discussions about their applicability and the acquisition of knowledge about the data needed for proper simulation and validation, 2) Calibrate the model of maize (CERES) for different cultivars and different regions of Venezuela using data from so… more
Date: November 1989
Creator: Acevedo, Miguel F.; Andressen, Rigoberto; Azocar, Aura; Bisbal, Evelyn; Comerma, Juan; Corvo, Fernando et al.
Partner: UNT College of Engineering
open access

Dual-Wavelength Terahertz Metasurfaces with Independent Phase and Amplitude Control at Each Wavelength

Description: This article describes the design of a dual-wavelength achromatic metasurface-based deflector deflecting the incident wave to the same direction at two selected wavelengths, which has circumvented the critical limitation of strong wavelength dependence in the planar metasurface-based devices caused by the resonant nature of the plasmonic structures.
Date: September 23, 2016
Creator: Ding, Jun; Xu, Ningning; Ren, Han; Lin, Yuankun; Zhang, Weili & Zhang, Hualiang
Partner: UNT College of Engineering

Wildlife Monitoring

Description: This presentation discusses research on solar powered wildlife monitoring systems. The goal of the project was to develop an off grid video system using solar power for collecting visual data of the burrowing owl roosting behavior in the West Texas region.
Date: July 28, 2013
Creator: Jones, Raechelle; Meyer, Chelsea; Wolf, Lori; Williams, Jennifer & Acevedo, Miguel F.
Partner: UNT College of Engineering

Rocket Recovery Systems for High Power Model Rocketry

Description: This presentation discusses research on rocket recovery systems for high power model rocketry using Arduino microprocessors with GPS and GSM shields for tracking. This research is part of Research Experiences for Teachers (RET) in Sensor Education, a National Science Foundation (NSF) funded grant project.
Date: 2013
Creator: Bih, Michael; Gscheidle, Karl H.; Hardy, Debra; Kulle, Gregory; Acevedo, Miguel F.; Kollipara, Naveen et al.
Partner: UNT College of Engineering
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