The Latin American Symposium on Solid State Physics (SLAFES) has become one of the most traditional meetings in this geographical region. It brings together students and research leaders dedicated to a large variety of topics in solid state physics. The recent previous meetings were held in Mexico (January of 1998) and Colombia (November 1999). The program consists in plenary, invited, oral and...

endourologic pyeloplasty is being a substitute of open pyeloplasty in management of ureteropelvic junction obstruction. this procedure can be done in different manners like balloon dilation, cold knife and electrosurgical endoureterotomy, accucise and lasers.a 47 year old woman referred with history of previous open pyeloplasty. hydronephrosis of right kidney with unremarkable t ½ was found in ...

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Analysis of LED Technologies for Solid State Lighting Markets

Numerical issues arising in computations of viscous flows in corners formed by a liquidfluid free surface and a solid boundary are considered. It is shown that on the solid a Dirichlet boundary condition, which removes multivaluedness of velocity in the ‘moving contact-line problem’ and gives rise to a logarithmic singularity of pressure, requires a certain modification of the standard finite-e...