Search Results - "ALMANZA, O"

Structural, Optical and EPR Study of Mn-Doped ZnO Nanocrystals by Acosta-Humánez, F., Montes-Vides, Luis, Almanza, O.

“…This paper presents the study of manganese-doped ZnO (Zn 1− x Mn x O) nanocrystals produced using the sol–gel method. In samples calcinated at a temperature of…”
Get full text

Structural, Optical and EPR Study of Zn1−xFexO Nanocrystals by Acosta-Humánez, F., Magon, C. J., Montes-Vides, Luis, Almanza, O.

“…Iron-doped ZnO nanocrystals, ZnO (Zn 1− x Fe x O), with doping atomic ratio x  = 0.0–0.05, have been synthesized using the sol–gel method to obtain…”
Get full text

Electron paramagnetic resonance in Zn1−xCoxO by Acosta-Humánez, F., Cogollo Pitalúa, R., Almanza, O.

“…In this paper is reported the Electron Paramagnetic Resonance (EPR) studies in Zn1−xCoxO powder, with 0.01≤x≤0.05, at many temperatures (105–250K). These…”
Get full text

Applicability of the transient plane source method to measure the thermal conductivity of low-density polyethylene foams by Almanza, O., Rodríguez-Pérez, M. A., De Saja, J. A.

“…The thermal conductivity at constant pressure of a collection of crosslinked, closed‐cell polyethylene foams were measured at room temperature with the…”
Get full text

Measurement of the thermal diffusivity and specific heat capacity of polyethylene foams using the transient plane source technique by Almanza, O, Rodríguez-Pérez, MA, de Saja, JA

“…Thermal diffusivity and specific heat at constant pressure of a collection of crosslinked closed cell polyethylene foams have been measured at room temperature…”
Get full text

Prediction of the radiation term in the thermal conductivity of crosslinked closed cell polyolefin foams by Almanza, O. A., Rodríguez-Pérez, M. A., De Saja, J. A.

“…The thermal conductivity and the cellular structure as well as the matrix polymer morphology of a collection of chemically crosslinked low‐density closed cell…”
Get full text

The microestructure [microstructure] of polyethylene foams produced by a nitrogen solution process by ALMANZA, O, RODRIGUEZ-PEREZ, M. A, DE SAJA, J. A

Get full text

Thermal expansion coefficient and bulk modulus of polyethylene closed-cell foams by Almanza, O., Masso-Moreu, Y., Mills, N. J., Rodríguez-Pérez, M. A.

“…A regular Kelvin foam model was used to predict the linear thermal expansion coefficient and bulk modulus of crosslinked, closed‐cell, low‐density polyethylene…”
Get full text

Characterization by XRD and electron paramagnetic resonance (EPR) of waste materials from “Cerro Matoso” Mine (Colombia) by Hernández, Y., Carriazo, J.G., Almanza, O.

“…Materials from a mining process, in which ferronickel metal extraction is the principal aim, were studied. The residual solid (scum) obtained in this process…”
Get full text

Comparative study on the lamellar structure of polyethylene foams by Almanza, O., Rodríguez-Pérez, M.A., Chernev, B., de Saja, J.A., Zipper, P.

“…A comparative study on the lamellar morphology of a collection of polyethylene foam (LDPE) has been performed in order to obtain a better understanding of the…”
Get full text

Mechanical characterization of closed-cell polyolefin foams by Rodríguez-Pérez, M. A., Velasco, J. I., Arencón, D., Almanza, O., De Saja, J. A.

“…Three different experimental techniques [compression experiments at low strain rates, instrumented falling‐weight impact tests, and dynamic mechanical analysis…”
Get full text

The Effect of Processing on the Structure and Properties of Crosslinked Closed Cell Polyethylene Foams by RODRIGUEZ-PEREZ, M. A, ALMANZA, O, RUIZ-HERRERO, J. L, DE SAJA, J. A

“…This paper analyses the relationships between production, structure and properties of a collection of crosslinked closed cell polyethylene foams. Foams with…”
Get full text

The Thermal Conductivity of a Polyethylene Foam Block Produced by a Compression Molding Process by MartÍnez-DÍez, J. A., RodrÍguez-PÉRez, M. A., De Saja, J. A., Arcos Y RÁbago, L. O., Almanza, O. A.

“…The thermal conductivity of 10 mm thick low density polyethylene foam sheets cut from a block produced by a compression molding process has been studied in the…”
Get full text

Quality indices of groundwater for agricultural use in the region of Tierra Nueva, San Luis Potosi, Mexico by Ramos-Leal, José Alfredo, López-Álvarez, B., Santacruz-De León, G., Almanza-Tovar, O., Morán-Ramírez, J., Padilla-Reyes, D. A., González-Acevedo, Z. I.

“…The paper evaluates the quality of groundwater for agricultural use in Tierra Nueva, San Luis Potosi, Mexico, where the agricultural productivity zone presents…”
Get full text

Improvement of the measurement process used for the dynamic mechanical characterisation of polyolefin foams in compression by Rodrı́guez-Pérez, M.A, Almanza, O, del Valle, J.L, González, A, de Saja, J.A

“…A Taguchi experimental design has been used to improve the measurement process utilised in a dynamic mechanical analyser (Perkin Elmer DMA7) for the…”
Get full text

Electron paramagnetic resonance in Zn1Co O by Acosta-Humánez, F., Cogollo Pitalúa, R., Almanza, O.

Get full text

Anomalous thickness increase in crosslinked closed cell polyolefin foams during heat treatments by Rodríguez-Pérez, M. A., Almanza, O., De Saja, J. A.

“…When crosslinked closed cell polyolefin foams are under a temperature above the melting point of the base polymer, a reduction of their size is expected due to…”
Get full text

COMPARACIÓN DEL MÓDULO DE ELASTICIDAD DE ESPUMAS CON BASE POLIOLEFINA, OBTENIDOS EN ENSAYOS DE COMPRESIÓN E INDENTACIÓN POR CAÍDA DE DARDO. CURVAS DE AMORTIGUAMIENTO DINÁMICO by Almanza, O. A., Carriazo, J. G., Rodríguez Pérez, M. A., De Saja, J. A.

“…Se realizó una serie de experimentos en caída de dardo (impacto) con el objeto de cuantificar la capacidad de absorción de energía, antes de producirse un…”
Get full text

Intelligent Algorithm for Parallel Self-Parking Assist of a Mobile Robot by Ibarra-Manzano, M-A, De-Anda-Cuellar, J-H, Perez-Ramirez, C-A, Vera-Almanza, O-I, Mendoza-Galindo, F-J, Carbajal-Guillen, M-A, Almanza-Ojeda, D-L

“…This paper proposes the implementation of an algorithm for the parallel self-parking of a tricycle mobile robot. Knowing the dimensions of the mobile robot,…”
Get full text

An EPR Study of the ZnxCd1-xCr2S4 System by Hernández, P., Almanza, O., de Francisco, C.

Get full text