نتایج جستجو برای: for directed travel
تعداد نتایج: 10405165 فیلتر نتایج به سال:
Given a complete directed graph G = (V,E), the traveling repairman problem consists of determining a Hamiltonian circuit minimizing the sum of the waiting times of customers located at the nodes of the graph. In this paper, we propose two new linear integer formulations for TRP and computationally evaluate the strength of their linear programming relaxations. Computational results show the effi...
from 1950s onward, new theories and critical approaches burgeoned across humanities. these theories were context-oriented; as a result, the analysis of discursive practices gained significance. thus, social, political, historical and cultural discourses that have been hitherto marginalized and considered inferior to literary texts, were introduced as important texts to be analyzed by critics. o...
The aim of the present investigation was to get an impression of the geographic influences on the dialectal variation in a country. In previous investigations, the correlations between linguistic distances and geographic distances using dialect data from the Netherlands and Norway were calculated (Gooskens and Heeringa 2004, Nerbonne et al. 1996). The results showed a high correlation in the ca...
We present a study about the use of current electronic travel aids to help blind people navigate through familiar and unfamiliar environments. We also discuss the main strengths and weaknesses of electronic travel aids and propose guidelines to design and use them adequately. We provide a proposal to develop and use traveling aids. As a result, this can be a first step towards defining major as...
Introduction: The need for self-learning and self-motivation in medical students is a necessity in today’s knowledge-based world. This study aimed to investigate the relationship between Self-directed learning and school motivation in medical students of Isfahan University of Medical Sciences. Methods: In this descriptive-correlational study 300 Medical students were selected through the simpl...
Deconvolution wide-field fluorescence microscopy and single-particle tracking were used to study the three-dimensional mobility of single secretory granules in live PC12 cells. Acridine orange-labeled granules were found to travel primarily in random and caged diffusion, whereas only a small fraction of granules traveled in directed fashion. High K(+) stimulation increased significantly the per...
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