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Energy dependence of the positronium formation cross-section in argon
The positronium (Ps) formation cross-section, Q(Ps), for positron-argon interactions has been measured for incident positron energies from threshold to 60 eV, in an attempt to resolve the apparent discrepancy between earlier...
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Salient eyes deter conspecific nest intruders in wild jackdaws (Corvus monedula).
Animals often respond fearfully when encountering eyes or eye-like shapes. Although gaze aversion has been documented in mammals when avoiding group-member conflict, the importance of eye coloration during interactions between...
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The use and misuse of ratio and proportion exposure measures in food environment research.
BACKGROUND:The food stores within residential environments are increasingly investigated as a possible mechanism driving food behaviours and health outcomes. Whilst increased emphasis is being placed on the type of study designs...
Energy dependence of the positronium formation cross-section in argon
The positronium (Ps) formation cross-section, Q(Ps), for positron-argon interactions has been measured for incident positron energies from threshold to 60 eV, in an attempt to resolve the apparent discrepancy between earlier...
Published by:
The use and misuse of ratio and proportion exposure measures in food environment research
Abstract: Background: The food stores within residential environments are increasingly investigated as a possible mechanism driving food behaviours and health outcomes. Whilst increased emphasis is being placed on the type of...
Published by:
The use and misuse of ratio and proportion exposure measures in food environment research.
BACKGROUND: The food stores within residential environments are increasingly investigated as a possible mechanism driving food behaviours and health outcomes. Whilst increased emphasis is being placed on the type of study...
Published by:
The use and misuse of ratio and proportion exposure measures in food environment research
Abstract: Background: The food stores within residential environments are increasingly investigated as a possible mechanism driving food behaviours and health outcomes. Whilst increased emphasis is being placed on the type of...
Published by:
Translating cognitive insights into effective conservation programs
This is the author accepted manuscript. The final version is available from Elsevier via http://dx.doi.org/10.1016/j.tree.2014.09.009
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Nonparametric, tuning-free estimation of S-shaped functions
We consider the nonparametric estimation of an S-shaped regression function. The least squares estimator provides a very natural, tuning-free approach, but results in a non-convex optimisation problem, since the inflection point...
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A web-database of mammalian morphology and a reanalysis of placental phylogeny
RJ Asher
Jun 13, 2011
Background: Recent publications concerning the interordinal phylogeny of placental mammals have converged on a common signal, consisting of four major radiations with some ambiguity regarding the placental root. The DNA data...
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