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180.213  Articles
1 of 18.022 pages  |  10  records  |  more records»
The aim of the research is to identify the effectiveness of using a proposed strategy according to the (Marquqrd) model in the algebraic thinking skills of second-grade intermediate students in the schools of the General Directorate of Education in Babylo... see more

Mixing layers are formed between two parallel fluid streams having different velocities. One of the velocities may be zero, as is the usual case of the mixing layer that surrounds, immediately downstream from the nozzle, the core of a developing jet issui... see more

The research aims to determine the effect of implementing the cooperatif learning model type Think Pair  and Share.This type of research is Quasi Research Experiments. The subjects of the study were classes VII-1 and VII-2 of 40 people. Women as many... see more

En el modelo de Dornbusch (1976), una expansión monetaria genera una sobrerreacción del tipo de cambio nominal si: (1) el precio de los activos es flexible y el precio de los bienes es rígido; (2) hay perfecta movilidad de capitales; y (3) hay previsión p... see more

Una nueva aproximación a la reconstrucción filogenética basada en la geometría algebraica está ganando fuerza en los últimos años. Fijado un modelo evolutivo para un conjunto de especies, las distribuciones teóricas de los nucleótidos de estas especies sa... see more

Tarski presented his definition of consequence operator to explain the most important notions which any logical consequence concept must contemplate. A Tarski space is a pair constituted by a nonempty set and a consequence operator. This structure charact... see more

Data from stem analysis of 56 dominant trees of Quercus pyrenaica Willd., in natural stands in Galicia (NW Iberian Peninsula), were used to evaluate four dynamic site equations derived with the Generalized Algebraic Difference Approach (GADA). All the equ... see more

The localization properties of the wave functions of vibrations in two-dimensional (2D) crystals are studied numerically for square and hexagonal lattices within the framework of an algebraic model. The wave functions of 2D lattices have remarkable locali... see more

Contexto: En el análisis de los saberes geométricos propuestos en el currículo de Educación Secundaria se manifiestan fenómenos como la separación entre las geometrías 2D y 3D y el debilitamiento de la actividad de modelización en geometría. Brousseau con... see more

1 of 18.022 pages  |  10  records  |  more records»