№ 92(8), October, 2013
Public date: 31.10.2013
Archive of journal: Articles count 95, 228 kb
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Description
The variants of the procedure for optimizing of de-livery of goods with motor transport in a city with the use of network and linear models is shown on the example of the delivery of household chemical goods
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Description
The article presents different types of electronic docu-ments allowing to create the unique searching-for-information thesaurus
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MATHEMATICAL MODEL OF MOTION OF AN UNIVERSAL VEHICLE ACROSS THE FIELD
DescriptionThe article developed a mathematical model of movement of the universal vehicle through the fields, having longitudinal and transverse slope of the surface
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FREQUENCY REGULATION OF THE SYNCHRONOUS MOTOR WITH A DOUBLE ANCHOR WINDING
DescriptionIn this article we show the results of a pilot study of frequency regulation of the synchronous motor with a double anchor winding. The rational law regulating the frequency converter and the possible ranges of the frequency regulation and the engine load are defined
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Description
One of the ways to save rare species of plants is to create models of natural communities on the grounds of the botanical gardens. In the Botanical Garden of Kuban State University we have created the model of forest communities with the participation of rare and endangered species, and we are still working on creating models of herbaceous communities. We have introduced 18 species of plants of the flora of the Krasnodar region in the forest community and more than 30 species in herbaceous community
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Description
In the article we investigated the effect of the bacterial metabolites compositions (Aktoflor and Patogen) on antagonistic activity of L.acidophilus D № 75. It was shown the both compositions stimulate integrated antagonistic activity of L.acidophilus D № 75 by inducing the synthesis of the bacteriocin and decreasing the proportion of low active clones in the population. We have also shown the advantage of probiotic bacteria metabolites (Aktoflor). The results can be used to enhance the probiotic potential of the bacterial preparations
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LANDSCAPE ANALYSIS METHOD OF RIVERINE TERRITORIES
DescriptionThe article proposes a method for landscape area analysis, which consists of four stages. Technique is proposed as a tool for the practical application of pre-project research materials in the design solutions for landscape areas planning and organization
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INFLUENCE OF THE SOIL ON GROWING TYPES OF WOOD VEGETATION
DescriptionThe article reflects influences of soil conditions on growing types of wood vegetation. The carried-out chemical analyses show quantity of chemical elements which have to arrive to the soil with tree waste, and also acidity of the soil
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Description
The research of the territory adjacent to Novocherkassk state district power station, for the content of polycyclic aromatic hydrocarbons (on an example of benzo(a)pyrene) is presented. The benzo(a)pyrene content in soils has been determined with a method of subcritical water extraction. The content of benzo(a)pyrene in soils of the territory adjacent to Novocherkassk state district power station has been estimated. It is shown, that contents of benzo(a)pyrene excess over maximum permissible concentration in soils of five-kilometer zone around the companies
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ONTOGENESIS OF MICROMYCETES GIBELLINA CEREALIS PASS. IN VITRO
DescriptionThe article discusses the features of the pathogenesis of micromycetes Gibellina cerealis Pass. in vitro