منابع مشابه
Getting Your Wires Crossed
Things should be as simple as possiblèand no simpler', so they say. This paper is about simplifying a construct in Ruby, to reduce the complexity of the algebra without sacriicing expressive power. Ruby, for which Mary Sheeran is largely responsible, is a language of relations and a collection of rules { equalities { for algebraic transformation of expressions in that language. The presentation...
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In three spatial dimensions, communication channels are free to pass over or under each other so as to cross without intersecting; in two dimensions, assuming channels of strictly positive thickness, this is not the case. It is natural, then, to ask whether one can, in a suitable, twodimensional model, cross two channels in such a way that each successfully conveys its data, in particular witho...
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Previews make a change in direction. While L1 mutant mice had Neuropilin Interactions the pyramids, the mechanisms underlying this defect were not well understood. L1 is expressed by axons of the CST, suggesting that axonal L1 might recognize guidance cues in the region of crossing. L1 participates The function of the nervous system relies on the complex in both homophilic and heterophilic inte...
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Objective: Thoracic trauma may be a life-threatening condition. Flail chest is a severe chest injury with high mortality rates. Surgery is not frequently performed and, in Literature, data are controversial. The authors report their experience in the treatment of flail chest by an extracortical internal-external stabilization technique with Kirshner’s wires (K-wires). <...
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ژورنال
عنوان ژورنال: Neuron
سال: 2000
ISSN: 0896-6273
DOI: 10.1016/s0896-6273(00)00025-8