نتایج جستجو برای: l connectivity and tenacity
تعداد نتایج: 16952653 فیلتر نتایج به سال:
Cocaine dependence is associated with increased impulsivity in humans. Both cocaine dependence and impulsive behavior are under the regulatory control of cortico-striatal networks. One behavioral laboratory measure of impulsivity is response inhibition (ability to withhold a prepotent response) in which altered patterns of regional brain activation during executive tasks in service of normal pe...
Alkaline hydrolysis is a useful method for enhancing properties of polyesters. In this study, the alkali three polyester filament yarns (poly(ethylene terephthalate) (PET), poly(trimethylene (PTT) and poly(butylene (PBT)) was comparatively investigated under various conditions such as concentration, solvent mixture, process duration temperature. The weight loss different evaluated. Scanning ele...
The atom-bond connectivity index of graph is a topological index proposed by Estrada et al. as ABC (G) uvE (G ) (du dv 2) / dudv , where the summation goes over all edges of G, du and dv are the degrees of the terminal vertices u and v of edge uv. In the present paper, some upper bounds for the second type of atom-bond connectivity index are computed.
Coelacanths Latllnena chalumnae are the only liv~ng representatives of crossopterygian fish close to the roots of our own vertebrate history and therefore occupy a unique positlon among living fossils. L. chalun~nae has become a synonym for long evolutionary age, timeless existence, tenacity, immortality and links to old roots, appearing in language, poetry, fiction and many art forms. It is a ...
Planning, construction and assessment of road network are among the investigations for infrastructure development at watershed scales. The main aim of this study is assessing the road network connectivity in the Chehel-Chay Watershed, located in Golestan Province using Alpha (α), Beta (β), Gamma (γ), Eta (η), network density and detour indices in graph theory. The available road network ma...
For an interger l > 1, the l-edge-connectivity λl(G) of G is defined to be the smallest number of edges whose removal leaves a graph with at least l components, if |V (G)| ≥ l; and λl(G) = |V (G)| if |V (G)| ≤ l. A graph G is (k, l)-edge-connected if the l-edge-connectivity of G is at least k. A sufficient and necessary condition for G to be minimally (k, k − 1)-edgeconnected is obtained in the...
Background: Ensuring adequate depth of anesthesia during surgery is essential for anesthesiologists to prevent the occurrence of unwanted alertness during surgery or failure to return to consciousness. Since the purpose of using anesthetics is to affect the central nervous system, brain signal processing such as electroencephalography (EEG) can be used to predict different levels of anesthesia....
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