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202.617  Articles
1 of 20.263 pages  |  10  records  |  more records»
A semiclassical theoretical model of a Raman laser possessing a cavity which is resonant at the Stokes wavelength and not resonant at the pump wavelength has been developed. The wave equations describing evolution of amplitudes of the pump and Stokes puls... see more

We report the successful development of an all-solid state laser based on a Czochralski method-grown cerium-doped lithium calcium aluminum fluoride (Ce3+:LiCaAlF6 or Ce:LiCAF) crystal as the gain medium. Results for the broadband, narrow linewidth and sho... see more

In this paper, we will consider a model of nonlinear system with random telegraph noises and a Raman ring laser by modeling the laser pump light by a pregaussian process and find an exactly soluble equations for the stationary probability distribution of ... see more

O presente artigo apresenta uma análise comparativa entre residentes do Brasil e de Hong Kong no tocante ao incentivo para as viagens de turismo esportivo. Os resultados de Hong Kong (n=134) e São Paulo (n=151) revelaram distintos padrões de viagens, habi... see more

Attention should be paid to tunnels' seismic behaviour since many of them have been damaged by earthquakes. The paper presented a seismic study of a shallow circular tunnel by physical modelling on shaking table test. A small scale tunnel model of the Han... see more

Attention should be paid to tunnels' seismic behaviour since many of them have been damaged by earthquakes. The paper presented a seismic study of a shallow circular tunnel by physical modelling on shaking table test. A small scale tunnel model of the Han... see more

Los ácaros de la familia Tetranychidae son, dentro de los fitoácaros, uno de los de mayor interés en los cultivos. La introducción de bioplaguicidas posibilita un control sostenido y permanente, de forma tal que contribuyen de manera eficiente a la estabi... see more

Monoclinic tungsten oxide (WO3) nanoplates were synthesized via a two-step simple process: acid precipitation at room temperature to prepare WO3.H2O nanoplates and annealing at high temperature (400 and 500 oC) in ambient air to obtain WO3 nanoplates. The... see more

El objetivo de la presente investigación fue el análisis transdisciplinario de la viabilidad del turismo biocultural como alternativa para la conservación de la biodiversidad y el bienestar local. Se registró la riqueza natural, cultural y actividades pro... see more

1 of 20.263 pages  |  10  records  |  more records»