921 resultados para Trail-following


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Proposes a behavior-based scheme for high-level control of autonomous underwater vehicles (AUVs). Two main characteristics can be highlighted in the control scheme. Behavior coordination is done through a hybrid methodology, which takes in advantages of the robustness and modularity in competitive approaches, as well as optimized trajectories

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El interés del presente estudio de caso es analizar la estrategia de securitización implementada por el Presidente de la Republica de Uzbekistán Islam Karimov sobre el Movimiento Islámico de Uzbekistán. Se describe y se explica cómo desde las lógicas históricas y étnicas acontecidas en Asia Central, se pueden comprender los alcances internacionales de la confrontación antagónica ejercida entre uzbekos al apoyar ideas de corte secular e islamista. Así, siguiendo los parámetros establecidos por Barry Buzan con respecto a la securitización, se puede llegar a identificar la creación de una agenda de seguridad uzbeka en la región de Asia Central, cuyos logros permitieron disminuir el riesgo de la amenaza insurgente.

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La publicación forma parte de una colección que tiene como objetivo dar a los menores conocimientos y habilidades para ser buenos ciudadanos. En este trabajo los niños ven las diversas situaciones que demuestran la importancia de respetar las normas; trata principios como compartir, tomar turnos y seguir las reglas. Antes de la lectura hablarles acerca de las reglas. Después de la lectura se recomienda dialogar con ellos acerca de las normas que hacen la vida más cómoda para el profesor y la clase. El texto, sencillo, ayuda a los lectores a tomar decisiones y entender cómo sus acciones afectan a otras personas. Las ilustraciones se utilizan para reforzar la comprensión de este concepto.

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A study of strial capillary permeability using fluorescent microspheres and immunohistochemistry in mice that do or do not exhibit a reduction in endocochlear potential following a single, intense noise exposure.

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This paper provides an in-depth examination of the experiences of one cochlear implant recipient who participated in a psychosocial group rehabilitation program that was aimed at overcoming the communication and psychosocial handicaps that may accompany hearing loss.

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This study evaluates patient's short and long-term balance function after microsurgical tumor removal and gamma knife radiosurgery using an unvalidated qualitative questionnaire and the Dizziness Handicap Inventory.

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In order to evaluate high-frequency VOR function, the effects of different types of motion on visual acuity were evaluated in asymptomatic and symptomatic subjects. A new testing protocol of evaluating vestibular function was developed in an effort to enhance current treatment protocols.

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This paper investigates the effectiveness of a group-based psychosocial rehabilitation program for cochlear implant patients and their frequent communication partners.

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Imbalance is a risk of cochlear implantation. This is particularly important in patients receiving bilateral implants, who are often children. 25 adult and pediatric patients undergoing cochlear implantation were tested pre-operatively and post-operatively using tests of balance function. Results showed moderate losses in some test paradigms following implantation in the patient group as a whole. While changes in balance function due to cochlear implantation are not uncommon, their practical effect on function may be minor.

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Silvicultural treatments have been shown to alter the composition of species assemblages in numerous taxa. However, the intensity and persistence of these effects have rarely been documented. We used a before-after, control-impact (BACI) paired design, i.e., five pairs of 25-ha study plots, 1-control and 1-treated plot, to quantify changes in the density of eight forest bird species in response to selection harvesting over six breeding seasons, one year pre- and five years postharvest. Focal species included mature forest associates, i.e., Northern Parula (Setophaga americana) and Black-throated Green Warbler (Setophaga virens), forest generalists, i.e., Yellow-bellied Sapsucker (Sphyrapicus varius) and Swainson’s Thrush (Catharus ustulatus), early-seral specialists, i.e., Mourning Warbler (Geothlypis philadelphia) and Chestnut-sided Warbler (Setophaga pensylvanica), species associated with shrubby forest gaps, i.e., Black-throated Blue Warbler (Setophaga caerulescens), and mid-seral species, i.e., American Redstart (Setophaga ruticilla). As predicted, we found a negative numerical response to the treatment in the Black-throated Green Warbler, no treatment effect in the Yellow-bellied Sapsucker, and a positive treatment effect in early-seral specialists. We only detected a year effect in the Northern Parula and the American Redstart. There was evidence for a positive treatment effect on the Swainson’s Thrush when the regeneration started to reach the pole stage, i.e., fifth year postharvest. These findings suggest that selection harvesting has the potential to maintain diverse avian assemblages while allowing sustainable management of timber supply, but future studies should determine whether mature-forest associates can sustain second- and third-entry selection harvest treatments.