Artículo en revista de investigación: Envíos recientes
Mostrando ítems 541-560 de 823
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Graphite to Graphene: Green Synthesis Using Opuntia ficus-indica
(2019-03-15)Green synthesis promotes partial or total substitution of chemicals that are potentially harmful to the environment with more friendly ones and is also concerned with decreasing energy consumption. In this study, commercial ... -
Target Field of View Prediction Using Artificial Pheromones for People Reidentification
(2019-12-10)People reidentification is a fundamental task in automated video surveillance based on computer vision. Reidentification happens when a person seen in a field of view is the same that has been observed in other fields of ... -
Aplicación de herramientas de simulación y análisis para diseño de un robot manipulador de dos grados de libertad con configuración manual del espacio de trabajo
(2019-11-01)Este artículo presenta el análisis, diseño y simulación de un robot de dos grados de libertad reconfigurable para uso experimental y didáctico. El diseño propuesto permite la configuración manual de cuatro espacios de ... -
Estimación de los coeficientes de inercia y de fricción de un motor de CD
(2019-11-01)En este trabajo se presentan algunos modelos de fricción, y se destaca la importancia de los parámetros de fricción viscosa y de Coulomb, los cuales son necesarios para definir los distintos modelos que describen el ... -
100 hours of astronomy at the Mexican northern border
(2019-08-26)The International Astronomical Union (IAU) encourages inclusivity1 and information technology presents tools that can make astronomy accessible to all. By using social media, our outreach proposal intends to inspire ... -
Analysis of Al and Cu salt infiltration into a poly 2-vinylpyridine (P2vP) polymer layer for area selective deposition applications
(2020-01)This work is motivated by the desire to develop a semiconductor device patterning technology based on precursor infiltration into block copolymer materials. Developing an understanding of the preferential infiltration of ... -
Recyclability of stainless steel (316 L) powder within the additive manufacturing process
(2019-12-12)Using recycled powder during the additive manufacturing processes has been a matter of debate by several research groups and industry worldwide. If not significantly different from the feedstock, the recycled powder can ... -
Surface characterization of poly-2-vinylpyridine—A polymer for area selective deposition techniques
(2019-09-02)Thin films of OH terminated poly-2-vinylpyridine (P2VP), a polymer with potential for infiltration mediated thin film deposition, area selective deposition (ASD), and small feature size development via block copolymer (BCP) ... -
Hard x-ray photoelectron spectroscopy study of copper formation by metal salt inclusion in a polymer film
(2019-08-08)In this work we present the results of a hard x-ray photoelectron spectroscopy (HAXPES) study on the creation of metallic copper layers via metal-salt infiltration into a poly-2-vinylpyridine (P2VP) film. Metal salt inclusion ... -
Numerical simulations of sandwich structures under lateral compression
(2019-06-30)The current paper analyzes the effect of the cross-section on the energy absorption capabilities of sandwich structures under compressive loads. For this purpose, several cross-section including triangular, square, ... -
Impacto del Diseño para Cambios Rápidos (DFC) en la Manufactura Moderna
(2019-03-30)El avance de las tecnologías en la industria de la manufactura, así como la necesidad de contar con procesos más rápidos y eficientes que brinden un mejor desempeño en la calidad, mejores tiempos de respuesta, flexibilidad ... -
Some aspects of Zariski topology for multiplication modules and their attached frames and quantales
(2019-09-01)For a multiplication R-module M we consider the Zariski topology in the set Spec (M) of prime submodules of M. We investigate the relationship between the algebraic properties of the submodules of M and the topological ... -
Project portfolio selection with scheduling: an evolutionary approach
(2019)This paper addresses the project portfolio selection problem enriched with scheduling. Thefactors considered for project scheduling are: the planning time horizon and the negative impact of theproject completion time on ... -
The use of cryptocurrencies in the money laundering process
(2019-05-07)This paper aims to analyze the money laundering process itself, how cryptocurrencies have been integrated into this process, and how regulatory and government bodies are responding to this new form of currency. -
CODAS HFLTS Method to Appraise Organizational Culture of Innovation and Complex Technological Changes Environments
(2019-12-09)Sustainable development implies establishing principles, objectives and strategies within organizations that impact the organizational culture in innovation. However, a method needs to be defined in order to know the ... -
Finding the Best Third-Party Logistics in the Automobile Industry: A Hybrid Approach
(2018-11-18)Given the current economic climate, many companies are considering outsourcing some activities to reduce costs and to focus on their core competency; thus, by adopting a competency-focused approach they enhance their ... -
Study of the thermal diffusivity of nanofluids containing SiO2 decorated with Au nanoparticles by thermal lens spectroscopy
(2019-08-05)In this work, silicon dioxide (SiO2) spheres and gold nanoparticles (Au) were prepared. The SiO2 was used as a platform to deposit the gold nanoparticles. The SiO2 structures were synthesized employing the Stöber method. ... -
Diseño de Librería con Enfoque Didáctico para Control de Robots Manipuladores en Sistemas Embebidos
(2019-11-01)In the present paper, a computational tool for position/orientation control of a n-degrees of freedom manipulator robot is shown. The tool contains the necessary functions in order to calculate the robot’s forward kinematics ... -
Low temperature synthesis of alpha alumina platelets and acicular mullite in MgO-Al2O3-SiO2 system
(2019-03-15)The refractory materials are more reliable and less expensive, this research is based on materials like alumina and mullite because it offers a very high refractoriness. In the present study an acicular mullite and a-alumina ... -
Effect of NiO and MoO3 addition on the crystallinity and mechanical properties of α-cordierite and β-cordierite in the MgO-Al2O3-SiO2 system
(2019-03-27)The cordierite is one of the most important phases within the MgO-Al2O3-SiO2 (MAS) system. In this study, the crystallization and microstructure of cordierite was analyzed. Four samples were prepared, which were subjected ...