منابع مشابه
Fighting fires and fatigue
Fighting fires and fatigue [2] This PhD began at the Bushfire CRC and was completed in 2016. Firefighters were recruited from across Australia to help gather important data on sleep behaviour during multi-day deployments. The results are important in managing firefighter health and safety, with this research contributing some of the first data about the sleep quantity and quality that firefight...
متن کاملFighting constrained fires in graphs
The Firefighter Problem is a simplified model for the spread of a fire (or disease or computer virus) in a network. A fire breaks out at a vertex in a connected graph, and spreads to each of its unprotected neighbours over discrete time-steps. A firefighter protects one vertex in each round which is not yet burned. While maximizing the number of saved vertices usually requires a strategy on the...
متن کاملA hierarchical model for decentralized fighting of large scale urban fires
In this article we present a hierarchical model for planning and coordinating firefighting in situations such as RoboCup Rescue, where an urban earthquake is simulated. We show that a hierarchical approach brings leverage to the planning process. By using formal decision theoretic models, we also present a more formal analysis of the RoboCup Rescue domain. Finally we discuss how our model could...
متن کاملMechanical Behavior of Hybrid Composite Phenolic Foam
Amit Desai, Maria L. Auad, 1 Hongbin Shen and Steven R. Nutt* Gill Foundation Composites Center, Department of Chemical Engineering and Materials Science, University of Southern California, 3651 Watt Way VHE-602, Los Angeles, CA 90089-0241, USA * E-mail: [email protected] Abstract: Hybrid composite phenolic foams are reinforced with chopped glass and aramid fibers in varied proportions. The mechanic...
متن کاملAmorphous Metallic Foam: Synthesis and Mechanical Properties
Bulk metallic glass alloys were processed into foam by several synthesis routes. These methods utilize the thermodynamic stability and thermoplastic formability of the supercooled liquid state to produce low-density homogeneous foams. The cellular structure is shown to evolve by growth of randomly distributed spherical bubbles towards polyhedral-like cells separated by microscopic intracellular...
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ژورنال
عنوان ژورنال: Nature
سال: 1948
ISSN: 0028-0836,1476-4687
DOI: 10.1038/162158a0