Actual problems of Mathematics, Physics and Mecanics
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Actual problems of Natural Sciences
BIOECOLOGY AND CULTIVATION TECHNOLOGY OF CALENDULA (CALENDULA OFFICINALIS).
This article discusses the agrotechnology, bioecology, medicinal properties and cultivation of calendula officinalis in the light gray soils of Andijan region and its use in folk medicine....
3 July 2022, 21:59
INTRASPECIFIC BIODIVERSITY OF G.HIRSUTUM L., G.BARBADENSE L. AND HAIRINESS OF SEEDS OF INITIAL MATERIALS IN G.DARWINII WATT SPECIES AND EPIDERMAL SURFACE ANALISYS PLANTS.
The character management of wild, ruderal and cultivated tropical diverse plants found in nature is particularly dependent on genetic information. The variability that occurs during the growing season of a plant depends on external environmental factors. Therefore, it is assumed that artificial...
3 July 2022, 21:59
SENNA AСUTIFOLIA DEL. METHODS OF GENERATIC REPRODUCTION OF PLANTS
The demand of the pharmaceutical industry in Uzbekistan for raw materials for medicinal plants is growing day by day. Such objects include Senna aсutifolia Del., medicinal nail polish, medicinal chamomile, namatak, valerian, hawthorn, barberry and others. Among them, the Senna aсutifolia Del. is...
3 July 2022, 21:59
SALVIA OFFICINALIS L. METHODS OF GENERATIC REPRODUCTION OF PLANTS
The demand of the pharmaceutical industry in Uzbekistan for raw materials for medicinal plants is growing day by day. Such objects include medicinal salvia, medicinal nail polish, medicinal chamomile, namatak, valerian, hawthorn, barberry and others. Among them, the Salvia officinalis L. is widely...
3 July 2022, 21:59
SYNTHESIS OF THE 1, 2- PHENYLEN DIKARBOXYMETHYLENTARTRATE
The article presents the results of the study of the reaction of the sodium salt of tartaric acid dichloracetyl pyrocatechole in presence of dimethylformamide and dimethylsulfokside. The experiments attained the best exposures in the presence of dimethylformamide. The structure of the obtained...
3 May 2022, 21:59
SYNTHESIS AND NMR SPECTROSCOPIC STUDY OF HYDRAZONE DERIVATIES OF FERROCENOYLACETONE AND THEIR COMPLEXES
We obtained β-diketone – ferrocenoylacetone by Kleisen condensation. Hydrazones of monocarboxylic acids (H2L) were synthesized by the interaction of hydrazides of carboxylic acids with ferrocenoylacetone. On their basis, complexes with transition metals were obtained. The synthesized compounds were...
3 May 2022, 21:59
PARA-[DI-1,4-(4,4,4-TRIFLUOROBUTANDION-1,3)]-BENZENE THYOSEMICARBASE AND SYNTHESIS OF COMPLEX COMPOUNDS ON THE BASIS
In this article, para-[di-1,4-(4,4,4-trifluorobutanedione-1,3)]-benzene the reaction with thiosemicarbazide, the structure of the synthesized tridentate ligand, tautomeric form, the structure of complex compounds formed with intermediate metal ions UV-, IR spectroscopy studied and analyzed....
3 May 2022, 21:59
RESPONSE OF WHEAT VARIETIES TO SALT STRESS IN EARLY GROWTH STAGE
Crops are sensible to different factors in the early growth stages. Response of the winter wheat to salinity stress in germination and seedling stages are visible in laboratory experiments. Wheat root and shoot growth and salinity tolerance index determined in 14 days old seedlings....
3 April 2022, 21:59
CHEMICAL COMPOSITION OF BARBERRY FRUITS
This article is about the methods of quantitative and qualitative analysis carried out to study the chemical composition of the barberry extract, as well as its application in medicine....
3 March 2022, 21:59
CHEMICAL COMPOSITION OF BARBERRY FRUITS
This article is about the methods of quantitative and qualitative analysis carried out to study the chemical composition of the barberry extract, as well as its application in medicine....
3 February 2022, 21:59