Reconstruction of Three-Dimensional Maps Based on Closed-Form Solutions of the Variational Problem of Multisensor Data Registration

Doklady Mathematics - A closed-form solution is proposed for the problem of minimizing a functional consisting of two terms measuring mean-square distances for visually associated characteristic...     

Dimension Effects in Insulating NbTiN Disordered Films and the Asymptotic Freedom of Cooper Pairs

JETP Letters - We investigate the evolution of the electronic transport in disordered NbTiN films at the insulating side of the superconductor-insulator transition as function of the effective...     

Synthesis of acyclic and cyclic phosphonates based on substituted 2-hydroxybenzylic alcohols

Russian Chemical Bulletin - A convenient synthesis of benzylic phosphonates and 2,3-dihydrobenzo[d][1,2]oxaphosphole 2-oxides substituted at the aromatic ring, as well as their precursors,...     

Erratum to: Crystallization in Microgravity and the Atomic-Resolution Structure of Uridine Phosphorylase from Vibrio cholerae

Crystallography Reports - An Erratum to this paper has been published: https://doi.org/10.1134/S1063774521070270     

CRYSTAL STRUCTURE OF [Cu(bpy)3] [{Cu(bpy)}2Re4Se4(CN)12]·3.5H2O

Journal of Structural Chemistry - Chain coordination polymer [Cu(bpy)3][{Cu(bpy)}2Re4Se4(CN)12]·3.5H2O (1) is obtained by the reaction of K4[Re4Se4(CN)12]·6H2O with CuCN and...     

Reaction of 4,5-dimethyl-2-(2-oxo-1,2-diphenylethoxy)-1,3,2-dioxaphospholane with hexafluoroacetone: formation of isomeric caged phosphoranes with phosphorus–carbon and phosphorus–oxygen bonds

Russian Chemical Bulletin - 4,5-Dimethyl-2-(2-oxo-1,2-diphenylethoxy)-1,3,2-dioxaphospholane bearing the carbonyl group at the γ-position to the phosphorus atom reacted with hexafluoroacetone...     

Thiol-derivatized porphyrins: synthesis and design of hybrid nanostructures

The review is devoted to the synthesis of thiol-derivatized porphyrins and hybrid nanostructures manufactured from them. Literature data on the main synthetic strategies towards these compounds are summarized, examples of application of thiol-derivatized porphyrins in nanotechnology are given.     

Experimental study and direct numerical simulation of the evolution of disturbances in a viscous shock layer on a flat plate

The evolution of disturbances in a hypersonic viscous shock layer on a flat plate excited by slow-mode acoustic waves is considered numerically and experimentally. The parameters measured in the experiments performed with a free-stream Mach number M _∞ = 21 and Reynolds number Re _L = 1.44 · 10⁵ are the transverse profiles of the mean density and Mach number, the spectra of density fluctuations, and growth rates of natural disturbances. Direct numerical simulation of propagation of disturbances is performed by solving the Navier-Stokes equations with a high-order shock-capturing scheme. The numerical and experimental data characterizing the mean flow field, intensity of density fluctuations, and their growth rates are found to be in good agreement. Possible mechanisms of disturbance generation and evolution in the shock layer at hypersonic velocities are discussed. __________ Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, Vol. 47, No. 5, pp. 3–15, September–October, 2006.     

Wall-crossing invariants: from quantum mechanics to knots

Journal of Experimental and Theoretical Physics - We offer a pedestrian-level review of the wall-crossing invariants. The story begins from the scattering theory in quantum mechanics where the...