نتایج جستجو برای: fence
تعداد نتایج: 1965 فیلتر نتایج به سال:
BACKGROUND Human-elephant conflict (HEC) is a recurring problem that appears wherever the range of elephants and humans overlap. Different methods including the use of electric fences are used worldwide to mitigate this conflict. Nonetheless, elephants learn quickly that their tusks do not conduct electricity and use them to break down fences (fence-breakers). METHODOLOGY/PRINCIPAL FINDINGS I...
Fence method (Jiang and others 2008. Fence methods for mixed model selection. Annals of Statistics 36, 1669-1692) is a recently proposed strategy for model selection. It was motivated by the limitation of the traditional information criteria in selecting parsimonious models in some nonconventional situations, such as mixed model selection. Jiang and others (2009. A simplified adaptive fence pro...
Movement of sand particles in nature creates many problems for humans. One of these problems is deposition of particles on rails that decrease the speed of the train or in some cases hampers the reversal of the train rails. In this paper the motion of sand particles over a railway track embankment, and how these particles settle on railway tracks are investigated. Moreover,the performance of di...
Facets of the Linear Ordering Polytope: a unification for the fence family through weighted graphs ⋆
The binary choice polytope appeared in the investigation of the binary choice problem formulated by Guilbaud (1953) and Block and Marschak (1960). It is nowadays known to be the same as the linear ordering polytope from operations research (Grötschel, Jünger and Reinelt, 1985). The central problem is to find facet-defining linear inequalities for the polytope. Fence inequalities constitute a pr...
Many model search strategies involve trading off model fit with model complexity in a penalized goodness of fit measure. Asymptotic properties for these types of procedures in settings like linear regression and ARMA time series have been studied, but these do not naturally extend to nonstandard situations such as mixed effects models, where simple definition of the sample size is not meaningfu...
Enhanced tidal streams close to coastal headlands appear to present ideal locations for the deployment of tidal energy devices. In this paper, the power potential of tidal streams near an idealized coastal headland with a sloping seabed is investigated using a near-field approximation to represent a tidal fence, i.e. a row of tidal devices, in a two-dimensional depth-averaged numerical model. S...
In this paper, we propose and present the design and initial development of the Fault awareness Enabled Computing Environment (FENCE) system for high end computing. FENCE is a comprehensive fault management system in the sense that it consists of both post and runtime analysis, integrates both proactive and reactive mechanisms, and combines both application level and system level fault manageme...
The effectiveness of a new design of electric strained wire fence (CSL fence) for managing rabbits is currently being assessed in a two year trial. It is being compared with a commercially available electric netting fence (Flexinet fence) and also with farmers' normal control methods. The study is taking place on commercial farms in Cornwall, England, where the fences are being erected to prote...
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