5 research outputs found
Automated management of engineering infrastructure of pools of different function
The main problems of operation of locations with the difficult air-and-water environment are considered in the article. Questions of maintenance of parameters of a microclimate in the pool are considered. Need of usage the control system of a microclimate, its efficiency, profitability and social effect of its implementation is described. The mathematical model of the thermal mode of location is constructed. Process of regulation of indoor temperature of the pool is considered
Automated management of engineering infrastructure of pools of different function
The main problems of operation of locations with the difficult air-and-water environment are considered in the article. Questions of maintenance of parameters of a microclimate in the pool are considered. Need of usage the control system of a microclimate, its efficiency, profitability and social effect of its implementation is described. The mathematical model of the thermal mode of location is constructed. Process of regulation of indoor temperature of the pool is considered
Microanalytical Investigation of Prehistoric Colorants from Uralian Rock Art (Ignatievskaya Cave and Idrisovskaya II and Zmiev Kamen’ Pictographs)
Uralian parietal and rock art (cave paintings and pictographs, or “pisanitsy”) represents a unique archaeological and cultural phenomenon, comprising 90 sites stretching for more than 800 km from north to south, which date from the Paleolithic era extending into the present Holocene epoch. The identification of the nature of prehistoric colorants provides an insight into their provenance, manufacture and utilization, as well as contributing to the conservation and restoration of drawings. The studies of mineral, elemental and organic phase composition of the colorant micro-samples from the drawings of Ignatievskaya cave and Idrisovskaya II and Zmiev Kamen’ pictographs (Southern and Middle Urals, Russia) discussed in the present work were carried out using a special set of microspectroscopic methods (SEM-EDS and Raman spectroscopy) offering high spatial resolution. The fatty acid composition of the organic phase was analyzed by GC–MS. The technology of colorant manufacture could have included thorough grinding and mixing of unheated hematite with an organic binder made from animal fat and a clayey extender in order to achieve the desired hue and intensity of the color. It is possible that the colorant was applied in layers (Idrisovskaya II and Zmiev Kamen’ pictographs). The development of authigenic phosphate and sulfate (gypsum) mineralization, which is observed in all studied sites, as well as oxalate encrustation on the Idrisovskaya II pictograph, indicates the conditions and processes of secondary mineral formation
Perspective Plan for Professional Accreditation of Agricultural Programs Based on the Analysis of the Quality Assurance System in the Russian Federation = План развития профессионального-общественной аккредитации програм сельскохозяйственного профиля на основе аналиэа системы гарантии качества в Российской федерации / Slovak University of Agriculture in Nitra
Aut. nurodyti p. [3-5]Vytauto Didžiojo universitetasŽemės ūkio akademij
Deep seawater inherent optical properties in the Southern Ionian Sea
The NEMO (NEutrino Mediterranean Observatory) Collaboration has been carrying out since 1998 an evaluation programme of deep sea sites suitable for the construction of the future Mediterranean km(3) Cerenkov neutrino telescope. We investigated the seawater optical and oceanographic properties of several deep sea marine areas close to the Italian Coast. Inherent optical properties (light absorption and attenuation coefficients) have been measured as a function of depth using an experimental apparatus equipped with standard oceanographic probes and the commercial transmissometer AC9 manufactured by WETLabs. This paper reports on the visible light absorption and attenuation coefficients measured in deep seawater of a marine region located in the Southern Ionian Sea, 60-100 km SE of Cape, Passero (Sicily). Data show that blue light absorption coefficient is about 0.015 m(-1) (corresponding to an absorption length of 67 m) close to the one of optically pure water and it does not show seasonal variation