نتایج جستجو برای: kinesis
تعداد نتایج: 173 فیلتر نتایج به سال:
For David Epstein (Shaping Time, 1995) the organisation of time is dual in nature. This duality yields two modes of structure, a clock-like organisation (chronometric time) and an organisation that is unique to a particular experience (integral time). For him, chronometric time is periodic in nature and structured by constant factors, whereas integral time is structured by elements intrinsic to...
Wireless video services in packet-switched environments constitute a significant challenge. While rudio chantiels present limited capacity, high error rates arid time-vaying and asymmetric propagation properties, video applications are batid~vidth-killing, error-sensitive and delay-intolerant. This situation forces wireless video system to dymnical l j adapt to changes in the network resources....
Cranial kinesis in birds is induced by muscles located caudal on the cranium. These forces are transferred onto the moveable parts of the skull via the Pterygoid-Palatinum Complex (PPC). This bony structure therefore plays an essential role in cranial kinesis. In palaeognathous birds the morphology of the PPC is remarkably different from that of neognathous birds and is thought to be related to...
The evolution of avian cranial kinesis is a phenomenon in part responsible for the remarkable diversity of avian feeding adaptations observable today. Although osteological, developmental and behavioral features of the feeding system are frequently studied, comparatively little is known about cranial joint skeletal tissue composition and morphology from a microscopic perspective. These data are...
OBJECTIVES/HYPOTHESIS The diagnosis of paresis in patients with vocal fold motion impairment remains a challenge. More than 27 clinical parameters have been cited that may signify paresis. We hypothesize that some features are more significant than others. STUDY DESIGN Prospective case series. METHODS Two laryngologists rated laryngoscopy findings in 19 patients suspected of paresis. The di...
A strongly ossified and rigid skull roof, which prevents parietal kinesis, has been reported for the adults of all amphibian clades. Our μ-CT investigations revealed that the Buresch's newt (Triturus ivanbureschi) possess a peculiar cranial construction. In addition to the typical amphibian pleurokinetic articulation between skull roof and palatoquadrate associated structures, we found flexible...
The recently developed model of purposeful kinesis (Gorban & Çabukoǧlu, Ecological Complexity 33, 2018) is based on the “let well enough alone" idea: mobility decreases for high reproduction coefficient and, therefore, animals stay longer in good conditions and leave quicker bad conditions. Mobility has a cost, which should be measured in the changes of the reproduction coefficient. Introductio...
The stimuli acting upon the choice of shelter and resting place by the house cricket, Acheta domesticus (L.) were analysed. The places of preference in different types of terraria as well as the choice of tubes of different diameter and of various light conditions were investigated. Acheta domesticus avoids open and illuminated space in its choice of resting place. It prefers dark places, enclo...
The 10 extant species of emydine turtles represent an array of morphological and ecological forms recognizable and popular among scientists and hobbyists. Nevertheless, the phylogenetic affinities of most emydines remain contentious. Here, we examine the evolutionary relationships of emydine turtles using 2092 bp of DNA encoding the mitochondrial genes cyt b, ND4, and adjacent tRNAs. These data...
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