It used to be that evaluating the theoretical peak performance of a CPU in FLOPS (floating point operations per seconds) was merely a matter of multiplying the frequency by the number of floating-point instructions per cycles. Today however, CPUs have features such as vectorization, fused multiply-add, hyper-threading or “turbo” mode. In this paper, we look into this theoretical peak for recent...

A middle aged female patient, a case of Primary Sjogren’s Syndrome with renal tubular acidosis as revealed by severe hypokalemia along with normal anion gap, metabolic acidosis and acidic urinary pH had brain stem lesion which presented as quadriplegia, dysphagia and dysarthria. Laboratory tests revealed that anti-nuclear antibodies (ANA) and anti Ro/SSA antibodies were positive. MRI showed hyp...

Purpose: To provide spectral domain optical coherence tomography (SDOCT) of subretinal fibrin leakage and concomitant central serous chorioretinopathy (CSC) morphology in four cases. Likewise, to compare the SDOCT of these cases with others documented. Case reports: Four cases of acute onset CSC exhibiting serous neurosensory and retinal pigment epithelium detachment (PED) associated with a hyp...

Anthropogenic global warming has become a major geological and environmental force driving drastic changes in natural ecosystems. Due to the high thermal conductivity of water and the effects of temperature on metabolic processes, freshwater ecosystems are among the most impacted by these changes. The ability to tolerate changes in temperature may determine species long-term survival and fitnes...

This dissertation is an effort to further define the central relationship of oxytocin (OT) and relaxin. The enclosed experiments have used rats and pigs to study this relationship. The first study looked at the effect of relaxin on the secretion of oxytocin and prolactin in pregnant gilts. Intravenous administration of relaxin appeared to mildly increase the circulating oxytocin and prolactin i...

Hyperbolicity measures, in terms of (distance) metrics, how close a given graph is to being a tree. Due to its relevance in modeling real-world networks, hyperbolicity has seen intensive research over the last years. Unfortunately, the best known algorithms for computing the hyperbolicity number of a graph (the smaller, the more tree-like) have running time O(n), where n is the number of graph ...

The SRS2 (Suppressor of RAD Six screen mutant 2) gene encodes an ATP-dependent DNA helicase that regulates homologous recombination in Saccharomyces cerevisiae. Mutations in SRS2 result in a hyper-recombination phenotype, sensitivity to DNA damaging agents and synthetic lethality with mutations that affect DNA metabolism. Several of these phenotypes can be suppressed by inactivating genes of th...

.............................................................................................. I Acknowledgements ............................................................................ II ركشو ءادهآ .............................................................................................. IV List of Figures .................................................................................