Actual problems of Mathematics, Physics and Mecanics
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Actual problems of Natural Sciences
SYNTHESIS AND CRYSTAL STRUCTURE OF THE Zn (II) ION COMPLEX WITH PARACETAMOL AND GLYCINE
This article discusses the synthesis of the complex compound [Zn (L1)2(Gli)2] .2H2O (L1-paracetamol, Gly-glycine amino acid) and its crystal structure. At the same time, the dependence of the reaction yield on time, temperature and concentration of reagents was also studied. The synthesized...
15 September 2023, 21:50
STЕРS ОF TЕАCHING STАTISTICАL MЕTHОDS IN ЕCОNОMIC АND SОCIАL GЕОGRАРHY
In thе lеssоns оf еcоnоmic аnd sоciаl gеоgrарhy, studеnts аrе dividеd intо fоur stаgеs оf dеvеlорing thе skills оf cаlculаting, аnаlyzing аnd intеrрrеting thе еssеncе оf stаtisticаl indicаtоrs. Thе wоrk tо bе cаrriеd оut аt еаch stаgе аnd thеir chаrаctеristics аrе еxрlаinеd....
15 September 2023, 21:50
SOME THEORETICAL ISSUES OF HUMAN ECOLOGY
It is known that the concept of ecology was introduced into science in 1869 by the German biologist Ernest Haeckel. The scientist used the word "ecology" as a section of zoology (biology) expressing the interaction of all living things with the external environment. The word ecology is a...
15 July 2023, 21:50
IMMUTABLE SMALL DELTAS ARE "TREE-LIKE" STRUCTURES AND CHANGES IN NATURAL GEOGRAPHICAL PROCESSES IN THEM.
The article examines the invariance of small deltaic tree-like landscape complexes, first identified in the modern delta of the Amudarya, and also reveals the patterns of changes in natural-geographical processes in small deltas. While the tree-like landscape complexes of small deltas are...
15 July 2023, 21:50
QUANTITATIVE ASSESSMENT OF RELATIONSHIPS IN THE PREDATOR-VICTIM SYSTEM WITH ACCOUNT OF HABITAT IN THE LOWER AMUDARYA
The article deals with the issues of ecological assessment of the "predator-prey" system, taking into account the habitat in the lower reaches of the Amu Darya. Intraspecific competition in the "predator and prey" system is taken into account in a two-dimensional approximation....
3 March 2023, 21:50
THE ROLE OF NATURAL-AMELIORATIVE REGIONS IN THE RATIONAL USE OF LAND AND WATER RESOURCES OF THE LEFT BANK OF THE CURRENT AMUDARYA DELTA
The left bank of the current Amudarya delta's water and land resources are used rationally by these regions, as is examined in this article. On the left bank of the current Amudarya delta, the primary outcomes of the work were split into three natural-ameliorating sections using the relief...
3 March 2023, 21:50
FAUNAL ANALYSIS OF EARTHWORMS (LUMBRICIDAE) OF THE NORTH-WESTERN REGION OF UZBEKISTAN
In order to form a taxonomic list of earthworms in the territory of Uzbekistan and its north-western region, a comparative analysis was conducted based on the available data and the results of our research. For the fauna of Uzbekistan, 2 new species belonging to the genus Perelia (Perelia persiana,...
3 March 2023, 21:50
ANALYSIS OF THE CHEMICAL COMPOSITION OF MONGOLIAN CISTANCHE - CISTANCHE MONGOLIKA (G. BECK)
Cistanche (Orobanchaceae) species are perennial parasitic plants, mainly distributed in arid and hot deserts. Cistanche plants are called “Desert ginseng”....
3 February 2023, 21:50
ECOLOGICAL FEATURES NEAR-WATERS ROVE BEETLES (COLEOPTERA, STAPHYLINIDAE) SOUTHERN ARAL SEA
The article presents the species of supralittoral rove beetles (Coleoptera, Staphylinidae) of the Southern Aral Sea region. The ecological features and biotopic distribution of these species were studied. The supralittoral mesofauna is dominated by representatives of the Oxytelinae subfamily....
3 January 2023, 21:50
THE METHOD OF ORGANIZING STUDENTS' INDEPENDENT LEARNING OF GEOGRAPHICAL SCIENCES
this article describes the theoretical information on the organization of independent education of students. Also, the structure of independent education of students in geography is presented. Experiments were carried out to determine the efficiency of the proposed structure, and its efficiency was...
3 January 2023, 21:50