The Improvement of Organizational and Functional Approaches of Implementation of Complex Energy Renovation of Odessa Historic Buildings

В качестве одной из перспективных форм интеграции в градостроительной структуре выступают различные комплексы. В процессе формирования планов социального и экономического развития крупных городов все чаще складывается ситуация, когда для повышения эффективности используемых ресурсов нужна не просто концентрация усилий, но и новые прогрессивные формы организации строительного производства. Предлагается создать в городе Одессе «Корпоративный научно-технический комплекс градостроительной энергореконструкции» как инновационную организационную структуру, которая использует на практике накопленный научно-технический потенциал для реконструкции зданий исторической застройки Одессы 1820–1920 гг. по стандартам энергоэффективности. Для эффективного функционирования «КНТК ГЭРек» необходимо организовать курсы по ускоренной форме подготовки рабочих по профессии «Мастер отделочных строительных работ» специальности «штукатур».Different systems act as one of the most promising forms of integration in the urban planning structure. In the process of formation of plans for social and economic development of major cities more often, there is a situation, when the improvement of resources efficiency needs not just a concentration of effort, but also some new and innovative forms of building production organization. It is proposed to establish in Odessa the "Corporate Scientific and Technical Complex of urban planning energy renovation" as an innovative organizational structure which practically uses the accumulated scientific and technical potential for the reconstruction of historic buildings in Odessa in 1820–920 using energy efficiency standards. It is necessary to organize courses in the form of accelerated training for workers of the occupation "master of finishing construction work" specialty "plasterer" for "KNTK GERek" effective functioning

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Non-Nominal Value of the Dynamical Effective Charge in Alkaline-Earth Oxides

We calculate ab-initio the electronic states and the Born dynamical charge Z* of the alkaline-earth oxides in the local-density approximation. We investigate the trend of increasing Z* values through the series, using band-by-band decompositions and computational experiments performed on fake materials with artificially-modified covalence. The deviations of Z* from the nominal value 2 are due to the increasing interaction between O 2p orbitals and unoccupied cation d states. We also explain the variations, along the series, of the individual contributions to Z* arising from the occupied band manifolds.Comment: 12 pages Latex, plus 2 Postscript figure

Maximally-localized Wannier Functions in Antiferromagnetic MnO within the FLAPW Formalism

We have calculated the maximally-localized Wannier functions of MnO in its antiferromagnetic (AFM) rhombohedral unit cell, which contains two formula units. Electron Bloch functions are obtained with the linearized augmented plane-wave method within both the LSD and the LSD+U schemes. The thirteen uppermost occupied spin-up bands correspond in a pure ionic scheme to the five Mn 3d orbitals at the Mn_1 (spin-up) site, and the four O 2s/2p orbitals at each of the O_1 and O_2 sites. Maximal localization identifies uniquely four Wannier functions for each O, which are trigonally-distorted sp^3-like orbitals. They display a weak covalent bonding between O 2s/2p states and minority-spin d states of Mn_2, which is absent in a fully ionic picture. This bonding is the fingerprint of the interaction responsible for the AFM ordering, and its strength depends on the one-electron scheme being used. The five Mn Wannier functions are centered on the Mn_1 site, and are atomic orbitals modified by the crystal field. They are not uniquely defined by the criterion of maximal localization and we choose them as the linear combinations which diagonalize the r^2 operator, so that they display the D_3d symmetry of the Mn_1 site.Comment: 11 pages, 6 PostScript figures. Uses Revtex4. Hi-res figures available from the author