Results 51 to 60 of about 10,174 (239)

Da parábola ao paraboloide: construções e equações com auxílio do geogebra [PDF]

open access: yes, 2022
Este trabalho busca, por meio de uma pesquisa bibliográfica, explorar propriedades e características na relação entre a parábola e o paraboloide elíptico com foco no paraboloide de revolução. Para isso, apresentamos os principais conceitos necessários
Batista, William Ferreira
core  

Resistance to Overdoping Allows Over 2000 S cm−1 Conductivity in P(g3BTTT) With Anion‐Exchange Doping

open access: yesAdvanced Materials, EarlyView.
Anion‐exchange doping of conjugated polymers is an effective way to achieve high conductivities. Here, we report over 2000 S cm−1 electrical conductivity for doped P(g3BTTT). In addition, we show that P(g3BTTT) sustains exceptionally high doping levels without any drop in the charge mobility.
Basil Hunger   +14 more
wiley   +1 more source

El cántico a la viña del amado (Is 5,1-7)

open access: yesEstudios Eclesiásticos, 1960
El siguiente estudio hace una exégesis del cántico a la viña del amado en el libro de Isaías. Se aborda, además, la aparición de la viña en diferentes textos bíblicos. La aproximación realizada es exegética, literaria y semántica.
Teófilo de Orbiso
doaj  

Normal Values of Metatarsal Parabola Arch in Male and Female Feet

open access: yesThe Scientific World Journal, 2014
There is not any method to measure metatarsal protrusion in the whole metatarsal. The aim of this research is to know the normal metatarsal parabola in male and female feet.
Gabriel Domínguez-Maldonado   +4 more
doaj   +1 more source

Theoretical spectroscopic studies of potential energy curves and Fortran parabola for beryllium oxide molecule

open access: yesIraqi Journal of Physics, 2019
    Theoretical spectroscopic  studies of  beryllium oxide has been  carried out, potential energy curves for ground states X1Σ+ and exited states A1Π , B1Σ+ by using two functions Morse and  and Varshni compared with experimental results.
Marwa Waleed Mahmod
doaj   +1 more source

Resonant Domain Wall Dynamics in a Three‐Dimensional Magnetic Nano Double Helix

open access: yesAdvanced Materials, EarlyView.
3D magnetic nanostructures promise exciting possibilities for magnetization dynamics. However, experimental realizations remain scarce. In nanoprinted cobalt double helices, time‐resolved X‐ray microscopy reveals harmonic domain wall dynamics. Simulations identify the mode and additional higher‐frequency resonances, revealing a rich dynamic landscape ...
Pamela Morales‐Fernández   +15 more
wiley   +1 more source

El paralítico perdonado, en la redacción de Mateo

open access: yesEstudios Eclesiásticos, 1969
La parábola del paralítico perdonado se inserta en el contexto en el que Mateo presenta a Jesús como Mesías de la Palabra y en su actitud salvífica y, de forma más concreta, se inserta dentro de una serie de milagros entre los que este se encuentra ...
Antonio Vargas-Machuca Gutiérrez
doaj  

Lead Halide Perovskite Photoelectrocatalysis

open access: yesAdvanced Materials, EarlyView.
Lead halide perovskite semiconductors have emerged as highly promising materials for solar fuel and chemical synthesis. This perspective discusses advances made in the rational photoelectrode design to improve solar‐to‐chemical conversion, product scope, and scalability.
Virgil Andrei
wiley   +1 more source

La parábola de los dos deudores

open access: yesEstudios Eclesiásticos, 1963
El siguiente artículo estudia algunos puntos controvertidos de la parábola de los dos deudores. Entre ellos, se abordan algunas observaciones sobre la forma externa (vocabulario, sintaxis…), la fuerza teológica del v.47a, la inconsecuencia aparente en la
José Luis de Urrutia
doaj  

Análises gráficas e algébricas das repercussões decorrentes da variação dos coeficientes da função quadrática

open access: yesRCT: Revista de Ciência e Tecnologia
O objetivo deste artigo é investigar o comportamento de um ponto fixado da parábola ao variar os coeficientes $a, b$ e $c$ da função quadrática $f(x) = ax2 +bx + c.$ Os resultados aprimoram estudos anteriores para o caso do vértice da parábola e expande ...
Elzimar Oliviera Rufino   +2 more
doaj   +1 more source

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