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تعداد نتایج: 1234 فیلتر نتایج به سال:
The potential of canopy reflectance modelling to retrieve structural variables in managed Norway spruce stands was investigated using the invertible forest reflectance model INFORM. INFORM was derived by coupling FLIM, SAIL and LIBERTY models, and was inverted with hyperspectral airborne HyMap data using a neural network approach. A relatively simple three layer feed-forward backpropagation neu...
The aim of this study was to assess the differences in eruption of permanent teeth (C, P1, P2 and M2) in a group of children with and without malocclusion. A sample of 1758 children (921 boys and 837 girls), aged 8-13 was randomly selected. The subjects were grouped by chronological age (11 groups) and by presence of malocclusion. Statistically significant differences were found for both, upper...
Atrial fibrillation (AF) is the most common heart rhythm disorder around the world. We report results of the first global assessment of AF, conducted within the framework of the recently published Global Burden of Diseases, Injuries, and Risk Factors Study (the GBD 2010 Study). The estimated global prevalence of AF in 2010 was 33.5 million (20.9 million men and 12.6 million women). Between 1990...
Purpose. To determine the factors associated with the development of a macular hole (MH) after successful rhegmatogenous retinal detachment (RRD) surgery. Methods. Of 1260 eyes that underwent surgery for RRD between April 2005 and March 2010 in our hospital, the medical records of 4 cases from our hospital and one case from another hospital that had undergone RRD surgery and later developed MH ...
Quantitating proteinuria by the 24 hour urine protein estimation (24 HUP) is cumbersome and fraught with error. We therefore investigated the relationship between the 24 HUP and the protein creatinine index (PC!) in a spot morning urine in 20 normal controls and 63 urine samples from 58 patients. The latter had proteinuria ranging from 0.2 gm to 31.6 gm and serum creatinines between 54 to 837 u...
Learning disabilities, including reading disabilities, are commonly diagnosed in children. Their etiologies are multifactorial, reflecting genetic influences and dysfunction of brain systems. Learning disabilities are complex problems that require complex solutions. Early recognition and referral to qualified educational professionals for evidencebased evaluations and treatments seem necessary ...
The dispersion of potentially pathogenic, antibiotic-resistant microorganisms via expressed human milk can be considered a risk factor. The aim of this study was to contribute to a better understanding of coliform isolates from expressed human milk and their antimicrobial resistance profiles. The sampling scheme followed a totally randomized design, using 837 samples of expressed human milk. Of...
Ubiquitin is post-translationally modified by phosphorylation at several sites, but the consequences of these modifications are largely unknown. Here, we synthesize multi-milligram quantities of ubiquitin phosphorylated at serine 20, serine 57, and serine 65 via genetic code expansion. We use these phosphoubiquitins for the enzymatic assembly of 20 isomeric phosphoubiquitin dimers, with differe...
Gale, Glen R. (Veterans Administration Hospital and Duke University Medical Center, Durham, N.C.). Effects of the antifungal peptide Ro 2-7758 on morphology of Mucor corymbifera. J. Bacteriol. 85:833-837. 1963.-Hyphae of Mucor corymbifera grown in the presence of the antifungal peptide, Ro 2-7758, were examined in an electron microscope. The predominant change, compared with control hyphae, was...
Results from direct numerical simulations for three dimensional Rayleigh-Bénard convection in a cylindrical cell of aspect ratio 1/2 and Pr = 0.7 are presented. They span five decades of Ra from 2× 10 to 2× 10. Good numerical resolution with grid spacing ∼ Kolmogorov scale turns out to be crucial to accurately calculate the Nusselt number, which is in good agreement with the experimental data b...
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