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تعداد نتایج: 402 فیلتر نتایج به سال:
Silver nanoaprticles have been investigated as an alternative to iodinein dual-energy breast x-ray imaging. Dual-energy imaging involves acquiringimages at two distinct energy windows (low and high). Weighting factors arethen applied to create an image where the contrast between background tissueshas been suppressed. Silver (Ag) represents an attractive contrast material due...
OBJECTIVE Nanotechnology focuses on materials having at least one dimension of less than 100 nanometers. Nanomaterials such as Nanosilver (NS) have unique physical and chemical properties such as size, shape, surface charge. NS particles are thought to in- duce neuronal degeneration and necrosis in the brain. It has been reported that NS parti- cles generate free radicals and oxidative stress w...
This paper aims at controlling the vehicle using speech recognition method. Vehicle is controlled through voice commands given by end user which stops and moves in various directions such as forward, backward, right left. The mounted with camera an LCD screen to view com- mands distance between obstacles. Application works on a of 1 meter. attached GPS. Vehicles can also be remotely or autonomo...
Cascaded events may cause a major blackout which will lead to a massive economic loss and even fatalities. Lots of research efforts have been made to address the issue systematically: preventive mechanisms are designed to mitigate the impact of initiating events on the power systems; emergency control methods are proposed to prevent the power systems entering an unstable state; restorative cont...
Problem. Video surveillance is a process of monitoring various objects, which implemented with the use video cameras - optical-electronic and microprocessor devices, designed for visual control environment, aim safety life, activity property modern person. Such processes objects can be, example, cars moving at an intersection, on street or country road, road surface during its condition quality...
This contribution aims to consider the evolution of perception childhood through depiction children in icono-textual compositions from alba amicorum . The analysis is based on prestigious examples documents 16th 19th Centuries. KEYWORDS Emblematics; French Literature; Iconography; Allegory; Childhood RESUMEN: Cette vise à considérer l’évolution de la l’enfance t...
As part of our research on watch actor modeling and the development of a generic watch system centered on the actor, we present in this paper a new semi-automatic integration approach to watch process with existing information retrieval system. This approach is essentially to facilitate the establishment of a watch system associated, which will, on the one hand, the definition of the watch need...
______________________________________________________________________________________________ Do you hear my attitudes? Perception of Mandarin Chinese social affects’ prosody Social affects are, contrary to emotions, speech acts voluntarily controlled and socioculturally built. This work examines the perception of Chinese social affects by natives, in the aim of attitudinal prosody teaching. A...
This paper presents a genetic relevance optimisation process performed in an information retrieval system. The process uses both genetic technique for solving multimodal problems witch is namely niching, and query reformulation techniques commonly used in information retrieval. Niching technique allows the process to reach different relevance regions of the document space. Query reformulation t...
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