i Abstract In this thesis, methods for optimization of neural network architectures are examined in order to achieve better generalization ability from the neural networks at tasks within signal processing. The feed-forward networks described have one hidden layer of units with tanh activation functions and linear output units. The major topics described in the thesis are: Reducing the number o...

Infection with human immunodeficiency virus type 1 (HIV1) has now been reported in virtually every country of the world. Responding to the challenge of this devastating pandemic, basic and clinical investigators in many regions of the world have rapidly advanced our understanding of the biology, immunology, and virology of systemic HIV-1 infection. Although the vast majority of HIV-1 infections...

To the Editor: Radial keratotomy (RK) can be effective in reducing low to moderate amounts of myopia. Occasionally, a patient will “under-respond” to the RK procedure and be left with significant residual myopia. The refractive surgeon may then be presented with a situation where the patient desires more myopic reduction, but the surgeon does not want to perform another RK (for fear of inducing...

Abstract: Reliable knowledge of the thermophysical properties of pure compounds and their mixtures in the whole composition and a wide temperature and pressure range is a vital prerequisite for computer-aided synthesis, design, and optimization of chemical processes. Knowledge of the various phase equilibria is most important for the development of thermal separation processes (but also for oth...

A correlation based on the general form of cubic equations of state has been derived. This equation provides a convenient mathematical form of the Joule-Thomson coefficient in terms of the state variable V and T. The Joule-Thomson coefficient calculated by this correlation has been compared with experimental data. It has been shown that the Redilich-Kwang equation of state is a suitable equ...

INTRODUCTION Peroxisomes are vital cellular organelles controlling important metabolic functions like hydrogen peroxide degradation, fatty acid metabolism, gluconeogenesis, toxin degradation, etc. (Flatmark et al., 1988; van den Bosch et al., 1992; Masters, 1997; Lopez-Huertas et al., 2000). Certain human metabolic disorders such as Zellweger syndrome, neonatal adrenoleukodystrophy, infantile R...

The basics of quantum mechanics and statistical thermodynamics were used to predict the potential energy and intermolecular forces of asphaltene molecules. The parameters associated with the chemical structure were also estimated for a specific asphaltene molecule to predict the Mie potential function. Based on the structural results, a new form of the Virial EOS with Peneloux correction wa...

The olefins polymerization process in a slurry reactor is discussed. The reaction rate dynamics was analyzed and the contributions of feed flow, gas-liquid mass transfer, polymerization reaction, and catalyst deactivation were estimated. The propylene solubility in a solvent mixture “heptane” was calculated using Soave-Redlich-Kwong equation of state. These data were then approximated by Henry-...

Hirschsprung's disease, also known as congenital aganglionic megacolon, is a congenital disorder which develops due to an absence of neural ganglia in a segment of large bowel. Most commonly, the rectum or rectosigmoid, and rarely other areas or the entire colon are involved. In this disease, all three neural plexi, i.e., the myenteric (Auerbach's) plexus, the superficial submucosal (Meiss...