نتایج جستجو برای: biological routes

تعداد نتایج: 495262  

Journal: :Proceedings. Biological sciences 2005
Emma Verling Gregory M Ruiz L David Smith Bella Galil A Whitman Miller Kathleen R Murphy

The observed rates and deleterious impacts of biological invasions have caused significant alarm in recent years, driving efforts to reduce the risk (establishment) of new introductions. Characterizing the supply of propagules is key to understanding invasion risk and developing effective management strategies. In coastal ecosystems, ships' ballast water is an important transfer mechanism (vect...

2008
Paolo Lambardi Johann R. E. Lutjeharms Resi Mencacci Graeme C. Hays Paolo Luschi

Leatherback turtles Dermochelys coriacea spend most of their life in oceanic environments, whose physical and biological characteristics are primarily forged by sea current circulation. Water mass movements can mechanically act on swimming turtles, thus determining their routes, and can differentially distribute their planktonic prey. By integrating satellite tracking data with contemporaneous ...

Journal: :مهندسی صنایع 0
علیرضا رشیدی کمیجان دانشیار مهندسی صنایع، دانشکدة مهندسی صنایع، دانشگاه آزاد اسلامی واحد فیروزکوه پیمان قاسمی دانشجوی دکتری مهندسی صنایع، دانشکدة مهندسی صنایع، دانشگاه آزاد اسلامی واحد تهران جنوب

in our country, school bus routes are determined by experiments of driver without considering the scientific optimum route and location. traversing additional routes will always result an increase in vehicle movements and fuel consumption and enormous costs. hence, this paper will study the school bus routing in tehran considering special students and a model will be presented to minimize trave...

Journal: :international journal of transportation engineering 0
iran khanzad khanzad msc grad., department of civil and environmental engineering, tarbiat modares university, tehran, iran amirali zarrinmehr zarrinmehr ph.d candidate, department of civil and environmental engineering, tarbiat modares university, tehran, iran seyedehsan seyedabrishami seyedabrishami assistant professor, department of civil and environmental engineering, tarbiat modares university, tehran, iran mahmoud saffarzadeh saffarzadeh professor, department of civil and environmental engineering, tarbiat modares university, tehran, iran

establishing a network of transit routes with satisfactory demand coverage is one of the main goals of transitagencies in moving towards a sustainable urban development. a primary concern in obtaining such anetwork is reducing operational costs. this paper deals with the problem of minimizing construction costsin a grid transportation network while satisfying a certain level of demand coverage....

Journal: :Nature Reviews Molecular Cell Biology 2014

Journal: :Chemical & Engineering News Archive 1962

Journal: :The Annals of Iowa 1986

Journal: :Téoros: Revue de recherche en tourisme 2003

Journal: :CoRR 2002
Srinidhi Varadarajan Naren Ramakrishnan

This paper studies the evaluation of routing algorithms from the perspective of reachability routing, where the goal is to determine all paths between a sender and a receiver. Reachability routing is becoming relevant with the changing dynamics of the Internet and the emergence of low-bandwidth wireless/ad-hoc networks. We make the case for reinforcement learning as the framework of choice to r...

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