Search Results - "Guzman, J. I."

Thermoluminescence properties and identification of irradiated cocoa beans during long-term storage by Lozano, I.B., Roman-Lopez, J., Tenopala, J.E., Piña-González, H., Guzman-Castañeda, J.I., Diaz-Gongora, J.A.I.

“…This work reports on the thermoluminescence (TL) properties and detection of contaminating minerals isolated from Mexican cocoa beans irradiated with gamma…”
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Detection of Irradiated In-Shell Peanuts (Arachis hypogaea) by Screening PPSL and Confirmatory TL Luminescence Methods by Roman-Lopez, J., Lozano, I. B., Diaz-Góngora, J. A. I., Guzman-Castañeda, J. I., Cruz-Zaragoza, E.

“…In this work, the luminescence methods of pulsed photo-stimulated luminescence (PPSL, as screening) and thermoluminescence (TL, as confirmatory) were used for…”
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Synthesis of β-Ca2P2O7:Tb3+ to gamma radiation detection by thermoluminescence by Roman-Lopez, J., Lozano, I.B., Cruz-Zaragoza, E., Castañeda, J.I. Guzman, Díaz-Góngora, J.A.I.

“…In this work, luminescent emissions of beta-calcium pyrophosphate doped with terbium ions (β-Ca2P2O7:Tb3+) were studied. The Ca2P2O7:Tb3+ powders were prepared…”
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Synthesis, photo- and thermo-luminescent properties of Mg2P2O7:Tm3+ phosphors by Tenopala, J.E., Roman-Lopez, J., Lozano, I.B., Guzman-Castañeda, J.I., Diaz-Gongora, J.A.I., Alarcón-Flores, G.

“…In this work, both undoped and Thulium (Tm3+) doped (0.3-10 mol%) magnesium pyrophosphate (Mg2P2O7) powders were synthesized by the solvent evaporation method…”
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Fractal dimension determined through optical and scanning electron microscopy on FeCrAl alloy after polishing, erosion, and oxidizing processes by Guzmán-Castañeda, J. I., García-Bórquez, A., Arizabalo-Salas, R. D.

“…Optical and scanning electron microscopy (OM and SEM) are techniques that are normally used for 2D‐analysis of surface features. By fractal dimension analysis…”
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Continuous-wave optically stimulated luminescence properties of Guajillo chilli polyminerals exposed to gamma radiation by Roman-Lopez, J., Lozano, I.B., Ibarra, K., Guzman-Castañeda, J.I., Diaz-Gongora, J.A.I., Cruz-Zaragoza, E.

“…In this investigation, the Continuous-Wave Optically Stimulated Luminescence (CW-OSL) properties of polyminerals extracted from Mexican and Peruvian Guajillo…”
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Performance Evaluation of a Multicell Topology Implemented With Single-Phase Nonregenerative Cells Under Unbalanced Supply Voltages by Baier, C.R., Guzman, J.I., Espinoza, J.R., Perez, M.A., Rodriguez, J.R.

“…The analysis of a multicell topology that is implemented with single-phase nonregenerative cells under an unbalanced ac mains is presented. The study shows…”
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Selective harmonic elimination and current/voltage control in current/voltage-source topologies: a unified approach by Espinoza, J.R., Joos, G., Guzman, J.I., Moran, L.A., Burgos, R.P.

“…This paper presents a unified approach for generating pulsewidth-modulated patterns for three-phase current-source rectifiers and inverters (CSR/Is) that…”
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An unshielded horizontal dual-element MR sensor by Jones, R.E., Guzman, J.I., Mountfield, K.R., Kryder, M.H.

“…The unshielded horizontal dual-element magnetoresistive (MR) head is comprised of two parallel MR sensors in a plane parallel to the recording media. The…”
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Analysis and control strategy for a current-source based D-STATCOM towards minimum losses by Melin, P.E., Guzman, J.I., Hernandez, F.A., Baier, C.R., Muñoz, J.A., Espinoza, J.R., Espinosa, E.E.

“…•A review of CSC losses is presented to show its dependence with the dc current level.•Operating region is used to define the dc current as a function of the…”
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Digital Implementation of Selective Harmonic Elimination Techniques in Modular Current Source Rectifiers by Guzman, J. I., Melin, P. E., Espinoza, J. R., Moran, L. A., Baier, C. R., Munoz, J. A., Guinez, G. A.

“…Modular current source converters (MCSCs) have been proposed as an alternative method for increasing the power range of medium voltage PWM AC drives. MCSCs are…”
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Benign tumors of the liver. Pathologic examination of 45 cases by Gold, J H, Guzman, I J, Rosai, J

“…The histologic and clinical features of 45 benign tumors of the liver (excluding hemangiomas) were reviewed. They included 21 cases of focal nodular…”
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Synthesis of β-Ca 2 P 2 O 7 :Tb 3+ to gamma radiation detection by thermoluminescence by Roman-Lopez, J, Lozano, I B, Cruz-Zaragoza, E, Castañeda, J I Guzman, Díaz-Góngora, J A I

“…In this work, luminescent emissions of beta-calcium pyrophosphate doped with terbium ions (β-Ca P O :Tb ) were studied. The Ca P O :Tb powders were prepared by…”
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Small bowel length in hyperlipidemia and massive obesity by Guzman, IJ, Fitch, LL, Varco, RL, Buchwald, H

“…Small bowel length has been measured during intestinal bypass surgery in 272 morbidly obese patients undergoing jejunoileal bypass and 121 nonobese patients…”
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Mining and corruption by Petermann, Andrea, Guzmán, Juan Ignacio, Tilton, John E.

“…This study examines the links between mineral dependency and corruption. Specifically, it develops a cross-section econometric model that estimates the effects…”
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Predictive control of modular current source converters by Guzman, J. I., Perez, M. A., Melin, P. E., Espinoza, J. R., Baier, C. R.

“…Current source converters (CSC) are used in AC-Drives and Electrochemical applications requiring large and controlled currents. Usually, a…”
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Study of Reactive Power Compensation Capabilities and LC Filter Design for a Multilevel Three-Phase Current-Source D-STATCOM by Melin, P.E, Guzman, J.I., Hernandez, F.A., Baier, C.R., Munoz, J.A., Espinoza, J.R., Gonzalez, M.I., Espinosa, E.E.

“…This work shows the use of the operating region of a D-STATCOM based on multilevel current-source inverters to define its operating point and its LC filter. A…”
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The effect of selective visceral caval shunt on plasma lipids and cholesterol dynamics by Guzman, I J, Coyle, J J, Schneider, P D, Varco, R L, Buchwald, H

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Cascaded H-Bridge topologies comparison for multi-cell current-source inverters under different DC inductor size reduction methods by Melin, P. E., Espinoza, J. R., Rohten, J. A., Espinosa, E. E., Baier, C. R., Guzman, J. I.

“…This work compares multi-cell topologies based on Current Source Inverters (CSIs) which are connected in a Cascade H-Bridge (CHB), where the large DC inductor…”
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Copper recycling and scrap availability by Gómez, Fernando, Guzmán, Juan Ignacio, Tilton, John E.

“…According to existing estimates, available old copper scrap has more than tripled over the past 40 years. Secondary production (that is, copper produced from…”
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