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Embolia paradoxal : importância do eco transesofágico no diagnóstico do acident...

Anticorpos contra lentivírus de pequenos ruminantes em caprinos e ovinos em aba...

The prevalence of small ruminant lentivirus (SRL) infection was evaluated in goats and sheep in two counties of Pernambuco State, Brasil. Seriological examinations were performed from a total of 672 goats and 325 sheep, one year of age and older, at two abattoirs. Sera were analyzed by agar gel immunodiffusion using Maedi-Visna K-1514 antigens. There were 42 reactive samples (95% confidence interval 3.6% to 4.9...

Quantum Monte Carlo study of vibrational states of silanone

We report correlation function quantum Monte Carlo (CFQMC) calculations of the vibrational levels on the silanone potential energy surface developed by Koput and co-workers. We computed the vibrational modes up to 3500 cm-1 and up to the fifth excited vibrational mode. Our results are in agreement with those reported by Koput et al. These results are important to future theoretical and experimental investigatio...

Numerical Generation of Optimized Discrete Variable Representations

We develop a procedure for calculating an optimized Discrete Variable Representation (DVR) optimized for a given potential. The method leads to an efficient and compact way to obtain numerical solutions of quantum mechanical problems. The procedure is applied to several physical problems. To illustrate the strength of the algorithm in dealing with multidimensional calculations, we obtain accurate levels up to 1...