نتایج جستجو برای: club system
تعداد نتایج: 2239339 فیلتر نتایج به سال:
Congenital radial club hand (RCH) is an uncommon congenital anomaly characterized by various degrees of deficiency along the preaxial or radial side of the extremity. We present one such case of Type 4 congenital isolated RCH who presented to a tertiary care center in the Middle East.
The University of Nottingham has been undertaking research into the dynamics of a golf club shaft during a swing for a number of years. The measurement of the deformation of the golf club as it is being swung has been undertaken by close range photogrammetry. The measurement system originally developed was based on the use of two 35 mm SLR cameras and the use of a direct linear transformation c...
This paper studies the emergence of convergence clubs in the United States since the 1980s. The finite mixture normal model is used to identify the clubs based on the per capita personal income dataset for 700 U.S. labor market areas from 1969 to 2009. The results reveal that the collection of high income areas, termed the "rich places club," was formed in the 1980s, and the share of the rich p...
OBJECTIVE To examine the methods of appointment, experience, and qualifications of club doctors and physiotherapists in professional football. METHODS Semistructured tape recorded interviews with 12 club doctors, 10 club physiotherapists, and 27 current and former players. A questionnaire was also sent to 90 club doctors; 58 were returned. RESULTS In almost all clubs, methods of appointment...
The complex connectivity of the cerebral cortex suggests that inter-regional communication is a primary function. Using computational modeling, we show that anatomical connectivity may be a major determinant for global information flow in brain networks. A macaque brain network was implemented as a communication network in which signal units flowed between grey matter nodes along white matter p...
Idiopathic pulmonary fibrosis (IPF) is an age-related multifactorial disease featuring non-uniform lung fibrosis. The decisive cellular events at early stages of IPF are poorly understood. While the involvement of club cells in IPF pathogenesis is unclear, their migration has been associated with lung fibrosis. In this study, we labeled club cells immunohistochemically in IPF lungs using a club...
OBJECTIVE In humans, the process of hair shedding, referred to as exogen, is believed to occur independently of the other hair cycle phases. Although the actual mechanisms involved in hair shedding are not fully known, it has been hypothesized that the processes leading to the final step of hair shedding may be driven by proteases and/or protease inhibitor activity. In this study, we investigat...
Club drug use and correlates were examined among 251 Hispanic college students on the Texas-México border. Participants completed questionnaires on substance use, club drug attitudes and beliefs, sexual risk-taking behaviors, depressive symptoms, and acculturation. One-quarter of participants reported club drug use. Regression analyses demonstrated that frequency and history of lifetime use wer...
Given an undirected graph G = (V, E), a k-club is a subset of V that induces a subgraph of diameter at most k. The k-club problem is that of finding the maximum cardinality k-club in G. In this paper we present valid inequalities for the 2-club polytope and derive conditions for them to define facets. These inequalities are the basis of a strengthened formulation for the 2-club problem and of a...
The Virtual Secretary 2 project (ViSe2) focuses on the construction of a multi-agent cooperation model. As a research vehicle, we have chosen to build intelligent agents that perform secretarial tasks for their users either by themselves or via cooperation. An individual ViSe2 agent has limited knowledge and problem solving capabilities. To act better on its user, the agent could interact with ...
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