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Mostrando ítems 374-393 de 823
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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 ... -
Heuristic mechanism for drone swarm auto-organization
(2018-02-01)Current technology used for fires are: meteorological stations and satellite image and satellites. This last is a great option, but, from space, the fire detection is until it is large enough to be seen from orbital altitude. ... -
High Amplification Scales Handling Frequency Content and Novel Gradient Sharpening Procedures
(2018-07-30)In this paper, a method for adaptive pure interpolation (PI) in the frequency domain, with gradient auto-regularization, is proposed. The input image is transformed into the frequency domain and convolved with the Fourier ... -
High temperature martensitic transformation and giant magnetocaloric effect in Ni40Co10Mn41Sn9 melt-spun ribbons
(2018-05-05)We report a large magnetic entropy change associated with a high-temperature martensitic transformation in Ni40Co10Mn41Sn9 (at. %) melt-spun ribbons. The ribbons underwent a first-order forward martensitic transition and ... -
Hillslope to channel hydrologic connectivity in a dryland ecosystem
(2023-11-27)Hydrologic connectivity refers to the processes and thresholds leading to water transport across a landscape. In dryland ecosystems, runoff production is mediated by the arrangement of vegetation and bare soil patches on ... -
How close can we get to the classical magnetotelluric sounding?
(2022-05-05)The classical magnetotelluric (MT) sounding can be defined as data that are invariant under rotation of coordinates -a feature we call centrality- and are affected solely by electromagnetic induction effects –a feature ... -
Human Resource Abilities and Skills in TQM for Sustainable Enterprises
(2019-11-18)Abstract: Total quality management (TQM) is a lean manufacturing tool that focuses on ensuring the production of goods that meet design specifications and give customer satisfaction, both attractive benefits highly appreciated ...