Results 21 to 30 of about 2,308 (107)

On the Matricial Formulation of Iterative Sweep Power Flow for Radial and Meshed Distribution Networks with Guarantee of Convergence

open access: yes, 2020
This paper presents a general formulation of the classical iterative-sweep power flow, which is widely known as the backward–forward method. This formulation is performed by a branch-to-node incidence matrix with the main advantage that this approach can
O. Montoya, W. Gil-González, D. Giral
semanticscholar   +1 more source

Fossil woods of Boraginaceae from the Peñas Coloradas formation (upper Paleocene), Puerto Visser, Chubut, Argentina [PDF]

open access: yes, 2006
Se describe una nueva especie de madera petrificada, la cual es asignada a la familia Boraginaceae. Los ejemplares provienen de las sedimentitas del Paleoceno superior de Puerto Visser, Chubut.
Brea, Mariana, Zucol, Alejandro Fabián
core  

Augmented reality-based radial and lateral motion stimuli alter aiming performance in dart throwing

open access: yesScientific Reports
This study used an augmented reality (AR) head-mounted display to generate three-dimensional (3D) perceived motions involving optic flow and evaluated their effects on aiming motor skill in dart throwing.
Yuki Ueyama, Masanori Harada
semanticscholar   +1 more source

Radial Operators on Polyanalytic Bargmann–Segal–Fock Spaces [PDF]

open access: yes, 2019
The paper considers bounded linear radial operators on the polyanalytic Fock spaces $\mathcal{F}_n$ and on the true-polyanalytic Fock spaces $\mathcal{F}_{(n)}$. The orthonormal basis of normalized complex Hermite polynomials plays a crucial role in this
E. Maximenko   +1 more
semanticscholar   +1 more source

Fossil woods from Paraná Formation (Middle Miocene), Toma Vieja, Paraná, Entre Ríos, Argentina: record of seasonal mixed forests [PDF]

open access: yes, 2008
Se describen tres leños permineralizados pertenecientes a las familias Anacardiaceae, Leguminoseae y Solanaceae en la Formación Paraná (Mioceno Medio). La descripción de estos fósiles está basada en la preservación de los caracteres anatómicos del xilema
Brea, Mariana, Franco, María Jimena
core  

Xylological review of the most cultivated species of the genus Eucalyptus L'Herit. in Argentina [PDF]

open access: yes, 2002
El género Eucalyptus L'Heritier comprende cerca de 500 especies, desde arbustos enanos hasta grandes árboles, que habitan un vasto rango de hábitats. Muchas especies producen madera de importancia comercial y por esa razón han sido plantados en muchas ...
Rivera, Stella Maris   +1 more
core   +2 more sources

Paleoflora de la Formación Paraná (Mioceno Tardío), Cuenca Chaco-Paranense, Argentina. [PDF]

open access: yes, 2013
El Neógeno de la Mesopotamia argentina. D.Brandoni y J.I.Noriega, Editores (2013) Asociación Paleontológica Argentina, Publicación Especial 14: 22?34 The fossil record of the palm phytolith affinity with Trithrinax Mart. and Copernicia Mart. ex Endl.,
Brea, Mariana   +2 more
core   +1 more source

Determinación de maderas carbonizadas procedentes de contextos arqueológicos de la Tradición Guaraní [PDF]

open access: yes, 2013
En este trabajo se presentan la metodología y los resultados de un estudio exploratorio de identificación taxonómica de maderas carbonizadas recuperadas en contextos arqueológicos.
Costa Angrizani, Rodrigo   +2 more
core   +1 more source

Radial basis function-generated finite differences with Bessel weights for the 2D Helmholtz equation [PDF]

open access: yesEngineering analysis with boundary elements, 2018
In this paper we obtain approximated numerical solutions for the 2D Helmholtz equation using a Radial Basis Function-generated Finite Difference (RBF-FD) scheme, where weights are calculated by applying an oscillatory radial basis function given in terms
M. A. Londoño-Arboleda   +1 more
semanticscholar   +1 more source

Análisis de una Colección Arqueológica del Valle Calchaquí (Provincia de Salta, Argentina): primeros resultados de la identificación de maderas y del diagnóstico de su estado de conservación [PDF]

open access: yes, 2017
Fil: Sprovieri, Marina. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División Arqueología; ArgentinaFil: Rivera, Stella Maris. Universidad Nacional de La Plata.
Contissa, Valeria   +4 more
core   +2 more sources

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