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Mostrando ítems 368-387 de 823
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Gene selection and disease prediction from gene expression data using a two-stage hetero-associative memory
(2019-04-01)In general, gene expression microarrays consist of a vast number of genes and very few samples, which represents a critical challenge for disease prediction and diagnosis. This paper develops a two-stage algorithm that ... -
Generalization of the Hotelling’s t2 decomposition method to the r-chart
(2018-02-14)In this paper, the decomposition of the Mahalanobis distance (MD) and the proportional contribution that each one of the p monitored variables has on the estimated Mahalanobis depth function (MDF) of the R-chart are ... -
Generalized Cauchy–Riemann equations in non-identity bases with application to the algebrizability of vector fields
(2023-03-29)We complete the work done by James A. Ward in the mid-twentieth century on a system of partial differential equations that defines an algebra A for which this system is the generalized Cauchy–Riemann equations for the ... -
Genetic Algorithm for Scheduling Optimization Considering Heterogeneous Containers: A Real-World Case Study
(2020-03-04)In this paper, we develop and apply a genetic algorithm to solve surgery scheduling cases in a Mexican Public Hospital. Here, one of the most challenging issues is to process containers with heterogeneous capacity. Many ... -
Geodesics of Hayward black hole surrounded by quintessence
(2021-02-26)Basing on the ideas used by Kiselev, we study the Hayward black hole surrounded by quintessence. The values critical of mass and the normalization factor are obtained. We also described the horizons and the extremal ... -
Geogebra y Problemas de Optimización
(2019-09-30)El siguiente trabajo muestra una propuesta para la enseñanza del cálculo diferencial con el uso del software Geogebra como herramienta didáctica en el aprendizaje de la derivada con problemas de optimización. El artículo ... -
Geometric considerations for the 3D printing of components using fused filament fabrication
(2020-06-30)Demand in 3D printing products using fused filament fabrication (FFF) in industry has been growth a lot with 55% in development of prototypes, 43% in production, and 41% in conceptual models for testing. However, information ... -
Génesis del Espíritu Científico
(2018-09-05)El origen del espíritu científico es una de las interrogantes no resueltas aún por la ciencia. Karl Popper señaló que no se sabía cómo ni por dónde empezar esta búsqueda, y que no había conocimiento alguno que explicara ... -
Giant and Reversible Inverse Barocaloric Effects near Room Temperature in Ferromagnetic MnCoGeB0.03
(2019-08-05)Hydrostatic pressure represents an inexpensive and practical method of driving caloric effects in brittle magnetocaloric materials, which display first-order magnetostructural phase transitions whose large latent heats are ... -
Giant low-field magnetocaloric effect in Si alloyed Ni-Co-Mn-In alloys
(2019-01-15)For NiMn-based Heusler alloys, simultaneously achieving high magnetization difference and low thermal hysteresis across the magnetostructural transformation is of crucial importance to obtain large low-field actuated ... -
Gold Nanoparticles as Drug Carriers: The Role of Silica and PEG as Surface Coatings in Optimizing Drug Loading
(2023-02-15)The use of gold nanoparticles as drug delivery systems has received increasing attention due to their unique properties, such as their high stability and biocompatibility. However, gold nanoparticles have a high affinity ... -
Government Support and Market Proximity: Exploring Their Relationship with Supply Chain Agility and Financial performance
(2018-07-12)The current paper presents a structural equation model with four variables (Government, Infrastructure, Proximity to market, and supply chain Agility) affecting the Financial performance of a company. Six hypotheses or ... -
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 ... -
Green synthesis of tin dioxide nanoparticles using Camellia sinensis and its application in photocatalytic degradation of textile dyes
(2021-01-07)SnO2 nanoparticles (NPs) were synthesized by a green route using different concentrations (1, 2 and 4%) of Camellia sinensis. The biosynthesized nanoparticles were characterized using attenuated total reflection infrared ... -
Groundwater Prospecting Using a Multi-Technique Framework in the Lower Casas Grandes Basin, Chihuahua, México
(2023-04-25)Groundwater is a strategic resource for economic development, social justice, environmental sustainability, and water governance. The lower Casas Grandes River Basin, located in the state of Chihuahua, México, is in a ... -
Growth chemistry and electrical performance of ultrathin alumina formed by area selective vapor phase infiltration
(2022-09-28)The growth chemistry and electrical performance of 5 nm alumina films, fabricated via the area-selective vapor phase infiltration (VPI) of trimethylaluminum into poly(2-vinylpyridine), are compared to a conventional plasma ... -
Haptic augmentation towards a smart learning environment: The haptic lever design
(2020-05-01)This paper presents the design of a haptic interface called the Haptic Lever, to show four force-related phenomena for haptic augmentation towards Smart Learning Environments. The Haptic Lever is a mechanism with a ... -
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 ... -
Herramientas de manufactura esbelta que inciden en la productividad de una organización: modelo conceptual propuesto
(2019-11)Actualmente las empresas industriales enfrentan el desafío de identificar e implantar nuevas técnicas organizacionales y de producción que les permitan competir en un mercado global. Así, el modelo de fabricación ... -
Hesitant Fuzzy Linguistic Term and TOPSIS to Assess Lean Performance
(2019-02-28)Manufacturing companies usually expect strategic improvements to focus on reducing both waste and variability in processes, whereas markets demand greater flexibility and low product costs. To deal with this issue, lean ...