Actual problems of Mathematics, Physics and Mecanics
Actual problems in modern technical sciences
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Actual problems of Natural Sciences
SYNTHESIS OF COORDINATING COMPOUNDS OF NICKEL (II) FORMIATE WITH ZINC AND CALCIUM ACCETATES
Complex compounds of nickel (II) format with zinc and calcium acetates were synthesized. The composition of the synthesized compounds was determined by elemental analysis. The coordination of the reagents was analyzed on the basis of changes in the spectra in the IR and UV fields. Quantum chemical...
3 April 2021, 05:38
SOME ISSUES OF ORGANIZATION OF FISHERY AND INTRODUCTION OF CLUSTER SYSTEM
The article highlights the natural and economic-geographical foundations of the organization of fisheries in Central Fergana and some issues of the introducing the cluster system in the industry....
3 April 2021, 05:37
ECOLOGY OF THE JACKAL ORDINARY (CANIS AUREUS, L. 1758) IN THE CONDITIONS OF THE SOUTHERN ARAL SEA AREA
The article deals with the ecology of the jackal ordinary (Canis aureus l., 1758) in the conditions of the Southern Aral Sea region. Ordinary or Asian jackal (Canis aureus L., 1758) - belongs to the family Canidae and is one of the widespread and numerous species of the genus Canis....
3 April 2021, 05:37
THE WAYS OF USING GIS TECHNOLOGY IN STATE LAND CADASTRE
The article deals with the use of geographical information technology in the maintenance of the State Land Cadastre. The current geographic information systems focus on these processes through technical means equipped with special software capable of collecting the necessary information for them,...
3 April 2021, 05:37
SELECTION OF DIGITAL ELEVATION MODEL FOR DETERMINING THE HEIGHT AND DEPTH OF LAKES AND PONDS OF THE KHOREZM REGION
The scale of adverse events related to climate change has increased in the Khorezm region recent years. Water scarcity has expanded, and drought problems have worsened. As a result, the water of lakes and ponds used in aquaculture has drying up and the area has shrinking. In order to mitigate the...
3 March 2021, 23:56
SYNTHESIS OF COPPER AND SILVER NANOPARTICLES USING HYDROLYZED FIBROIN
This paper provides information on obtaining hydrolyzed fibroin (“HF”) under the influence of high-frequency rays (510W) from fibroin fibers obtained based on silk waste fibers and using it to synthesize metal nanoparticles....
3 February 2021, 23:02
MEDICAL PROPERTIES OF CORNUS MAS L.
To many decorative winter-hardy shrubs, there is a male Kizil (Cornus mas L.)with extra fruits, knovn as Kizil. Under natural conditions, it is found in the undergrowth of the mountain forests of the Caucasus, Crimea, in the south of Ukraine, in South Europe and Asia Minor. Thisis a shrub or a low...
3 February 2021, 23:02
THE ECOLOGICAL IMPORTANCE OF THE DEVELOPMENT OF UNDERGROUND PARTS OF EUPHRATES POPLAR (POPULUS EUPHRATICA OLIVIER).
This article studies the width, depth and development of the root part of the Euphrates poplar (Populus euphratica olivier), which grows in the Lower Amu Darya territory....
3 February 2021, 23:02
KURBANOV`S MINE STUDIES ON THE EXTRACTION OF CERAMIC PAVING STONES WITH HIGH STRENGTH AND CHEMICALLY STABLE ON THE BASIS OF LYOSSLIME ROCKS AND GLASS WASTES
In the process of obtaining high-quality ceramic paving stones due to the mechanical activation of a ceramic mass consisting of loess-like rock and cullet, an acceptable parameter of the ratio of loess-like rock: glass waste is 80:20. To improve the quality of the product, the density of the...
4 January 2021, 03:07
FORMS OF EXISTENCE OF WILD RELATIVES OF CULTIVATED PLANTS IN THE FLORA OF KARAKALPAKSTAN AND KHOREZM
The article provides data on the studies of the forms of existence of wild relatives of cultivated plants of the flora of Karakalpakstan and Khorezm. The analysis showed that among the wild-growing species, the largest number of species was observed among those growing both in the wild and in...
3 January 2021, 03:06