نتایج جستجو برای: din shah
تعداد نتایج: 7255 فیلتر نتایج به سال:
Relatively high deposition of nitrogen (N) in the northeastern United States has caused concern because sites could become N saturated. In the past, mass-balance studies have been used to monitor the N status of sites and to investigate the impact of increased N deposition. Typically, these efforts have focused on dissolved inorganic forms of N (DIN = NH4-N + NO3-N) and have largely ignored dis...
Sistemele de monitorizare pe scară largă permit colectarea eficientă a datelor din câmp la rezoluții temporale și spațiale ridicate. Un exemplu relevant îl constituie aplicarea acestor sisteme în domeniul monitorizării infrastructurilor de transport al produselor petroliere pentru prevenirea scurgerilor și a accesului neautorizat, ce pot cauza daune de mediu și economice semnificative. Lucrarea...
The Mumford-Shah model has been one of the most powerful models in image segmentation and denoising. The optimization of the multiphase Mumford-Shah energy functional has been performed using level sets methods that optimize the Mumford-Shah energy by evolving the level sets via the gradient descent. These methods are very slow and prone to getting stuck in local optima due to the use of the gr...
A diverse body of research has demonstrated that people update their beliefs to a greater extent when receiving good news compared to bad news. Recently, a paper by Shah et al. claimed that this asymmetry does not exist. Here we carefully examine the experiments and simulations described in Shah et al. and follow their analytic approach on our data sets. After correcting for confounds we identi...
Many animals, including humans, rely on active tactile sensing to explore the environment and negotiate obstacles, especially in the dark. Here, we model a descending neural pathway that mediates short-latency proprioceptive information from a tactile sensor on the head to thoracic neural networks. We studied the nocturnal stick insect Carausius morosus, a model organism for the study of adapti...
Predators and competitors of vertebrates can in theory reduce the density of infected nymphs (DIN)-an often-used measure of tick-borne disease risk-by lowering the density of reservoir-competent hosts and/or the tick burden on reservoir-competent hosts. We investigated this possible indirect effect of predators by comparing data from 20 forest plots across the Netherlands that varied in predato...
Abstract Scientific investigation in the cultural heritage field is generally aimed at characterization of constituent materials and conservation status artworks. Since 1990s, reflectance spectral imaging proved able to map pigments, reveal hidden details evaluate presence restorations paintings. Over past two decades, hyperspectral has further improved our understanding paints its changes time...
In this paper we investigate the image of the l-adic representation attached to the Tate module of an abelian variety over a number field with endomorphism algebra of type I or II in the Albert classification. We compute the image explicitly and verify the classical conjectures of Mumford-Tate, Hodge, Lang and Tate, for a large family of abelian varieties of type I and II. In addition, for this...
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