Alexander Mikhailovich Romanov

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A 1-perfect code C n q is called Hamiltonian if its minimum distance graph G(C n q) contains a Hamiltonian cycle. In this paper, for all admissible lengths n ≥ 13, we construct Hamiltonian nonlinear ternary 1-perfect codes, and for all admissible lengths n ≥ 21, we construct Hamiltonian nonlinear quaternary 1-perfect codes. The existence of Hamiltonian(More)
Objective monitoring of the level of anesthesia is crucial in carefully controlled translational neuroscience studies. The usefulness of bispectral index (BIS) in monitoring human anesthesia is well established. However, the validity of its application remains unproven in laboratory animals. We assessed whether BIS could be used reliably in monitoring the(More)
PURPOSE To determine how the retina uses vitamin A for vision, we studied the flux of oral vitamin A into and out of the swine retina. METHODS We administered labeled vitamin A to swine daily for 30 days and measured the percent of the labeled vitamin A to native unlabeled vitamin A in the retinal epithelium, neuroretina, plasma, liver, lung, and kidney.(More)
(2012): Abundance, size structure, and growth rates of Sacramento pikeminnow (Ptychocheilus grandis) following a large-scale stream channel restoration in California, Journal of Freshwater Ecology, This article may be used for research, teaching, and private study purposes. Any substantial or systematic reproduction, redistribution, reselling, loan,(More)
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