927 resultados para Rúiga (Latvia)--Buildings
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A historical account is given of the Houston Academy of Medicine--Texas Medical Center Library within its Texas Medical Center setting in Houston, Texas. Outlined are planning, financing, and construction of the new library, which consists in part of new building and in part of renovated interiors of an old building originally completed in 1954. A concise picture is given of the new library's interiors, showing its functional success for users and employees alike. An architectural summary is appended showing gross and net footages, source of funds, costs and capacities.
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The design of efficient hydrological risk mitigation strategies and their subsequent implementation relies on a careful vulnerability analysis of the elements exposed. Recently, extensive research efforts were undertaken to develop and refine empirical relationships linking the structural vulnerability of buildings to the impact forces of the hazard processes. These empirical vulnerability functions allow estimating the expected direct losses as a result of the hazard scenario based on spatially explicit representation of the process patterns and the elements at risk classified into defined typological categories. However, due to the underlying empiricism of such vulnerability functions, the physics of the damage-generating mechanisms for a well-defined element at risk with its peculiar geometry and structural characteristics remain unveiled, and, as such, the applicability of the empirical approach for planning hazard-proof residential buildings is limited. Therefore, we propose a conceptual assessment scheme to close this gap. This assessment scheme encompasses distinct analytical steps: modelling (a) the process intensity, (b) the impact on the element at risk exposed and (c) the physical response of the building envelope. Furthermore, these results provide the input data for the subsequent damage evaluation and economic damage valuation. This dynamic assessment supports all relevant planning activities with respect to a minimisation of losses, and can be implemented in the operational risk assessment procedure.
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von Adolf Ehrlich
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von Anton Buchholtz. Hrsg. von d. Ges. f. Gesch. u. Alterthumskunde d. Ostseeprovinzen Russlands
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Scan von Monochrom-Mikroform
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[angebl.: Gustav Adolf II. Kupferst.: Hans Jörg Mannasser]
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It is found that hydrocarbons are constantly accumulated on the main geochemical barriers: water-atmosphere, river-sea, water-suspended matter, and water-bottom sediment interfaces. Degree of hydrocarbon accumulation reaches 13.5-17.6 in the surface microlayer and exceeds 1000 in bottom sediments. Hydrocarbon composition changes in this process. Local pollutant loads result in accumulation of polycyclic aromatic hydrocarbons by bottom sediments and benzo(a)pyrene concentration sometimes exceeds MPC. Content of hydrocarbon migratory forms is calculated.
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Concentration, distribution, and dynamics of yellow substance were studied during 1980-1982. Colored material accounted for 17-41% of dissolved organic matter and 2-14% of suspended organic matter. A relationship of yellow substance levels with salinity is analyzed. Absorption spectra of suspended particles are studied, occurrence of yellow-colored particles in suspended phase and their distribution in the Gulf of Riga are described. Concentration of suspended yellow organic matter in the upper layer of the gulf was inversely correlated with salinity. Calculations show that 10% of terrigenous humus is flocculated in the gulf during spring.