Metáfora y poesía como instrumentos para la comunicación intercultural en el aula de ELE : la conceptualización de la tristeza y de la alegría a través de un poema de Miguel Hernández.

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Los estudios de español en la Universidad do Minho (Portugal) : formación universitaria, habilitación del profesorado y posgraduación e-learning.

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Abrir puertas para otras lenguas en la clase de ELE : ejemplos pr??cticos de intercomprensi??n

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TICELEando.

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Ciberpragmática en ELE : aspectos fundamentales para una comunicación digital.

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Enseñar 'Historia de la lingüística española' en aulas multilingües y multiculturales.

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Expresión escrita y reflexiones metalingüísticas a partir de un texto literario.

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Propuesta didáctica : ¿quién posee a quién? : una propuesta basada en un comportamiento sociocultural.

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Una muestra del mundo fraseológico de Pedro Almodóvar para el aula de ELE.

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Mejoramos nuestra salud : influencia de los hábitos nutricionales y de consumo en los valores hematimétricos

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S?? a integrar el ordenador en lengua inglesa, pero...??c??mo?

Se pone en com??n un experiencia pedag??gica que se lleva a cabo con alumnado de segundo ciclo de la ESO, durante dos horas a la semana, con la finalidad de hacer los contenidos del ??rea m??s atractivos. Se trata de trabajar el programa de presentaciones Microsoft Power Point, despertando el inter??s del alumnado, que tiene a su disposici??n dos gu??as de uso, elaboradas por el profesorado. Se propone como trabajo final, una vez recogidas las inquietudes de los alumnos y alumnas, la realizaci??n de un comic en el que se utilizan tambi??n otras herramientas de dibujo aprendidas anteriormente.

Optimal inverter design for an induction machine using resonant frequency matching

The frequency responses of two 50 Hz and one 400 Hz induction machines have been measured experimentally over a frequency range of 1 kHz to 400 kHz. This study has shown that the stator impedances of the machines behave in a similar manner to a parallel resonant circuit, and hence have a resonant point at which the Input impedance of the machine is at a maximum. This maximum impedance point was found experimentally to be as low as 33 kHz, which is well within the switching frequency ranges of modern inverter drives. This paper investigates the possibility of exploiting the maximum impedance point of the machine, by taking it into consideration when designing an inverter, in order to minimize ripple currents due to the switching frequency. Minimization of the ripple currents would reduce torque pulsation and losses, increasing overall performance. A modified machine model was developed to take into account the resonant point, and this model was then simulated with an inverter to demonstrate the possible advantages of matching the inverter switching frequency to the resonant point. Finally, in order to experimentally verify the simulated results, a real inverter with a variable switching frequency was used to drive an induction machine. Experimental results are presented.

Improved channel estimation in TDMA by reproduction with applications in GSM/GPRS under co-channel interference

Finding an estimate of the channel impulse response (CIR) by correlating a received known (training) sequence with the sent training sequence is commonplace. Where required, it is also common to truncate the longer correlation to a sub-set of correlation coefficients by finding the set of N sequential correlation coefficients with the maximum power. This paper presents a new approach to selecting the optimal set of N CIR coefficients from the correlation rather than relying on power. The algorithm reconstructs a set of predicted symbols using the training sequence and various sub-sets of the correlation to find the sub-set that results in the minimum mean squared error between the actual received symbols and the reconstructed symbols. The application of the algorithm is presented in the context of the TDMA based GSM/GPRS system to demonstrate an improvement in the system performance with the new algorithm and the results are presented in the paper. However, the application lends itself to any training sequence based communication system often found within wireless consumer electronic device(1).

Co3M2S2 (M ¼ Sn, In) shandites as tellurium-free thermoelectrics

Chemical substitution in Co3Sn2-xInxS2 (0 # x # 2) enables tuning of the Fermi level within narrow bands of Co d-states. This results in a compositionally induced double metal–semiconductor–metal transition and manipulation of the thermoelectric power factor. The maximum power factor (14 mW cm-1 K-2) is found for x ¼ 0.85, which corresponds to ZT z 0.2 at 300 K.

Spastic Paraplegia, Optic Atrophy, and Neuropathy: New Observations, Locus Refinement, and Exclusion of Candidate Genes

SPOAN is an autosomal recessive neurodegenerative disorder which was recently characterized by our group in a large inbred Brazilian family with 25 affected individuals. This condition is clinically defined by: 1. congenital optic atrophy; 2. progressive spastic paraplegia with onset in infancy; and 3. progressive motor and sensory axonal neuropathy. Overall, we are now aware of 68 SPOAN patients (45 females and 23 males, with age ranging from 5 to 72 years), 44 of which are presented here for the first time. They were all born in the same geographic micro region. Those 68 patients belong to 43 sibships, 40 of which exhibit parental consanguinity. Sixty-one patients were fully clinically evaluated and 64 were included in the genetic investigation. All molecularly studied patients are homozygotes for D11S1889 at 11q13. This enabled us to reduce the critical region for the SPOAN gene from 4.8 to 2.3 Mb, with a maximum two point lod score of 33.2 (with marker D11S987) and of 27.0 (with marker D11S1889). Three genes located in this newly defined critical region were sequenced, but no pathogenic mutation was detected. The gene responsible for SPOAN remains elusive.