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7.914  Articles
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This paper attempts to analyse the origin of numerical abstraction. In his study, a Psychobiological and Social Model (Functional Structuralism) has been used on our cognitive evolution, and causal cognition processes as the main drivers of cognitive and ... see more

This paper describes the experience of teaching mathematics in the electromechanics vocational course with aid of the computer. Instead of giving a bunch of equations and a calculator to the students, as it is usual in vocational courses, we offer them Oc... see more


La investigación tiene como objetivo diseñar un curso virtual iconográfico orientado al fortalecimiento del pensamiento lógico en bachillerato general unificado para disminuir las dificultades que existen para lograr un nivel de abstracción y razonamiento... see more

La investigación tiene como objetivo diseñar un curso virtual iconográfico orientado al fortalecimiento del pensamiento lógico en bachillerato general unificado para disminuir las dificultades que existen para lograr un nivel de abstracción y razonamiento... see more

What causes strong, focused rip currents to develop on planar beaches? Observations of waves in the presence of rip currents suggest an interaction between waves and currents that causes wave dissipation. A hypothesized mechanism that would cause such an ... see more

Authentication over insecure public networks or with untrusted servers raises more concerns in privacy and security.Modern algebra is one of the significantfields of mathematics. It is a combination of techniques used for a variety of applications includi... see more

If we accept the thesis that advanced metrological systems existed in Bronze Age societies, described and analysed as weight standards by many authors, we should also consider its simple consequence; these weight standards were the successors of earlier a... see more

Clogging refers to a reduction of riverbed hydraulic conductivity. Due to difficulties in determining the thickness of the clogging layer, the leakage coefficient (L) is introduced and used to quantify the recoverable portion of bank filtrate. L was deter... see more

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