The Formation of the Propulsive Industries of Economic Development Acting as the Growth Poles of Regions

AbstractSci***entific and practi**cal provisions for the formation of the propulsive industries of economic development acting as the growth poles of regions are developed in the article. An analytical review of the theories of Russian and foreign authors concerning the formation of growth poles is carried out; the growth poles theory is adapted to the conditions of a particular region. Methodical principles of the formation of the ‘growth poles’ of the region are developed on the basis of the proposed system of indicators characterizing the industries as propulsive, taking into account the factors of leadership and the factors creating additional effect; On the basis of the qualitative and quantitative methods of regional economy management, the components of the ‘spontaneous’ and ‘planned’ efficiency of the growth poles functioning have been identified

Structural Disorder, Octahedral Coordination, and 2-Dimensional Ferromagnetism in Anhydrous Alums

The crystal structures of the triangular lattice, layered anhydrous alums KCr(SO4)2, RbCr(SO4)2 and KAl(SO4)2 are characterized by X-ray and neutron powder diffraction at temperatures between 1.4 and 773 K. The compounds all crystallize in the space group P-3, with octahedral coordination of the trivalent cations. In all cases, small amounts of disorder in the stacking of the triangular layers of corner sharing MO6 octahedra and SO4 tetrahedra is seen, with the MO6-SO4 network rotated in opposite directions between layers. The electron diffraction study of KCr(SO4)2 supports this model, which on average can be taken to imply trigonal prismatic coordination for the M3+ ions; as was previously reported for the prototype anhydrous alum KAl(SO4)2. The temperature dependent magnetic susceptibilities for ACr(SO4)2 (A = K,Rb,Cs) indicate the presence of predominantly ferromagnetic interactions. Low temperature powder neutron diffraction reveals that the magnetic ordering is ferromagnetic in-plane, with antiferromagnetic ordering between planes below 3 K.Comment: Accepted to the Journal of Solid State Chemistr

On peculiar features of speech development in children with auditory perceptual disorders

The article is devoted to the issue of one of the most severe speech disorders in children commonly known as alalia.Статья посвящена проблеме наиболее грубых нарушений развития речи у детей, а именно алалиям

Rigid and flexible brain regions responsible for development of speech

Статья посвящена особенностям речевого развития детей, и в первую очередь его грубым нарушениям. Авторами обсуждаются разные формы алалии. Особое внимание уделяется слуховым агнозиям и артикуляционным апраксиям.The paper deals with the peculiarities of speech development of children and, first of all, dwells in detail on its severe disorders. The authors discuss different forms of alalia, the classification of which is based on the difference between their causal brain mechanisms

ИССЛЕДОВАНИЕ СКОРОСТИ И ОСОБЕННОСТЕЙ КОРРОЗИИ ОБРАЗЦОВ ИЗ НАНОСТРУКТУРИРОВАННОГО АЛЮМИНИЕВОГО СПЛАВА В СЕРОВОДОРОДСОДЕРЖАЩЕЙ СРЕДЕ

The study determines corrosion rate and covers corrosion damage specifics of AK4-1 aluminum alloy samples in the NACE hydrogen sulfide solution. The alloy was studied in an ultrafine state as compared to the coarse-grained state obtained after standard T6 treatment (hardening + ageing). The alloy was nanostructured by equal-channel angular pressing (ECAP). It was shown that the alloy corrosion rate after ECAP was 1,9 times higher than after T6 treatment. Thus, general corrosion occurred in the alloy after ECAP, while in the T6 state pit corrosion occurred in the alloy in addition to general corrosion. The corrosive effect had a greater impact on surface roughness of samples made of AK4-1 alloy after ECAP as compared to samples after T6 treatment.Определяли скорость коррозии и исследовали особенности коррозионного повреждения в сероводородсодержащем растворе NACE образцов из алюминиевого сплава АК4-1. Сплав изучали в ультрамелкозернистом состоянии в сравнении с крупнозернистым состоянием, полученным после стандартной обработки Т6 (закалка + старение). Наноструктурирование сплава проводили путем равноканального углового прессования (РКУП). Показано, что скорость коррозии сплава после РКУП в 1,9 раза выше, чем после обработки Т6. При этом в сплаве после РКУП имеет место общая коррозия, а в сплаве в состоянии Т6 помимо общей коррозии наблюдается и язвенная. Коррозионное воздействие оказывает большее влияние на параметры шероховатости поверхности образцов из сплава АК4-1 после РКУП по сравнению с образцами после обработки Т6

On the inviscid limit of stationary measures for the stochastic system of the Lorenz model for a baroclinic atmosphere

The paper is concerned with a nonlinear system of partial differential equations with parameters and the random external force. This system describes the two-layer quasi-solenoidal Lorenz model for a baroclinic atmosphere on a rotating two-dimensional sphere. The stationary measures for the Markov semigroup defined by the solutions of the Cauchy problem for this problem is considered. One parameter of the system is highlighted - the coefficient of kinematic viscosity. The sufficient conditions on the random right-hand side and the other parameters are derived for the existence of a limiting nontrivial point for any sequence of the stationary measures for this system when any sequence of the kinematic viscosity coefficients goes to zero. As it is well known, this coefficient in practice is extremely small. A number of integral properties are proved for the limiting measure. In addition, these results are obtained for one similar baroclinic atmosphere system