IIT: Envíos recientes
Mostrando ítems 2141-2160 de 2692
-
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 ... -
Montaje de un Banco de Pruebas para Medir Esfuerzos de Contacto y Vibración en Pares de Engranes
(2019-09)En esta investigación se propone el montaje de un banco de pruebas para la medición experimental de esfuerzos y vibraciones en pares de engranes en contacto. La medición de los esfuerzos de contacto se realizó usando ... -
Optimización del diseño de los engranes del reductor de un vehículo todo terreno
(2019-12)En la actualidad existe la tendencia de diseñar componentes mecánicos capaces de soportar elevadas cargas de operación y que al mismo tiempo sean lo más ligeros posibles. Ambas condiciones son opuestas ya que, al aligerar ... -
MoS2 Thin Films for Photo-Voltaic Applications
(Intech Open, 2019-10)The low dimensional chalcogenide materials with high band gap of ~1.8 eV, specially molybdenum di-sulfide (MoS2), have been brought much attention in the material science community for their usage as semiconducting materials ... -
Remediation Of Water Polluted With Pharmaceutical Residues Applying Processes Of Photocatalysis And Adsorption With Activated Charcoal And Nanoparticles Of ZnO Obtained From Recycled Alkaline Batteries
(Materials Research Society, 2019-08-19)Water remediation is a main concern now days, specially when its polluted with pharmaceutical residues, because these chemicals might have a huge impact in the flora, wildlife and human health. The industry has many ... -
Validez Del Modelo Teórico De Las 4PS De Cambios Rápidos
(Academia Journals, 2019-11-06)Los retos de las organizaciones hoy en día, es aumentar la calidad, eficiencia y flexibilidad en sus procesos productivos, con el objetivo de ampliar y diversificar la oferta de productos y servicios que brindan al mercado. ... -
Cognitive analysis in the task of passengers boarding in public transport in Ciudad Juarez, Mexico
(Sociedad de Ergonomistas de México A.C, 2019)Safety is very important when driving public transport buses, the human factor is essential for the prevention of accidents. The objective of this article was to analyze the task of bus drivers when boarding passengers ... -
Citotoxicity studies of CaO nanoparticles using MTT assay
(Materials Research Society, 2019-08-20)Calcium oxide nanoparticles has found a wide application in the field of detection and diagnostics, antimicrobials, therapeutics, catalysis and microelectronics. The use of nanomaterials in many applications highlights ... -
Effects Of Ag2S Quantum Dots Deposition On The Photoelectrochemical Properties Of Carbon Aerogel Electrodes
(Materials Research Society, 2019-08-24)A Sputtering deposition method combined with solid vapor reactions were used for the deposition of Ag2S quantum dots (QDs) on carbon aerogel (CA) electrode. The chemicophysical properties and elemental composition of the ... -
Effect of extrapallial protein of Mytilus californianus on the process of in vitro biomineralization of chitosan scaffolds
(2019-08)Biomineralization is the process by which diverse organisms have the capacity to create heterogeneous accumulations, derived from organic and inorganic compounds that induce the process of mineral formation. An example of ... -
Assessment of mental workload In setting up fused filament fabrication equipment
(Sociedad de Ergonomistas de México A.C, 2019)The objective of this chapter was to assess the mental load generated by the task of setting up an FFF printer, before the printing process. The reason for this evaluation is due to the portion of the resources demanded ... -
An empirical study of the effect that a computer graphics course has on visual-spatial abilities
(2019-11-05)Visual-spatial abilities are relevant for performing diverse everyday tasks as well as being successful in multiple fields. This work provides empirical evidence supporting the claim that studying a computer graphics course, ... -
Análisis Metodológico del Esfuerzo Normal sigma(y) Basado en Deflexión Elástica
(2019-11-02)El problema en la determinación de los esfuerzos normales (𝜎𝑥,𝜎𝑦,𝜏𝑥𝑦) en una sección transversal utilizando como base la deflexión elástica, se basa en el hecho de que las metodologías existentes aún presentan ... -
Study of indium tin oxide–MoS2 interface by atom probe tomography
(2019-12)The molybdenum disulfide (MoS2) and indium tin oxide (ITO) interface were studied by atom probe tomography (APT). Raman spectroscopy, scanning electron microscopy, and grazingincidence x-ray diffraction measurements were ... -
Towards a Cognitive-Innovation Archetype
(Word Research Library, 2019-09-09)This paper proposes a Cognitive Innovation Model that formalizes the basic components and the interactions between them for the establishment of a Cognitive Architecture (CA). The convenience of walking in the sense of ... -
Comparative study of anthropometric measurements for children of 5 years of age of two regions of México
(Sociedad de Ergonomistas de México A.C, 2019)One of the main objectives of human factors is the design and/or adaptation of workstations to the user, using anthropometric tables appropriate to the age of the worker. In seeking to apply the previous precept in a ... -
Effect of radial clearance and holes as crush initiators on the crashworthiness performance of bi-tubular profiles
(2019-07-01)The use of bi-tubular structures has gained importance in the design of energy absorption systems for protectionof passengers in train collisions. Therefore, it is critical to improve the crashworthiness performance of ... -
Sol-Gel and Electrospinning Synthesis of Lithium Niobate-Silica Nanofibers
(2019-03-26)Lithium niobate-silica fibers were produced by the combination of the sol-gel method and the electrospinning technique. Two sol-gel solutions starting from niobium-lithium ethoxide and tetraethyl orthosilicate were prepared ... -
Dynamics for an electric pendulum
(2019)The Lagrangian formulation is an extensive tool for the analysis of physical systems. In particular, we have applied the Lagrangian procedureto deduce the dynamics and stability for an electric pendulum system. ...