Химические науки список научных статей
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SYNTHESIS AND STUDY OF PHOTODEGRADATION PROCESSES OF NANOSTRUCTURED MATERIALS BASED ON ELEMENTS OF AII BVI GROUP
TiO2 and ZnO powders were prepared by hydrothermal synthesis of nanostructured materials. Their photocatalytic activity and structure were examined. There were also compared the photocatalytic properties of the synthesized nanopowders and ready. photodegradation rate was measured for the organic...
2017 / Nurbolat Sh.T., Assembayeva A.R., Kadir М. F., Yskak M.T., Kalkozova Zh.
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ВЛИЯНИЕ ЛАЗЕРНОГО ОПЛАВЛЕНИЯ НА СТРУКТУРУ И СВОЙСТВА СПЛАВОВ АЛЮМИНИЯ С ПЕРЕХОДНЫМИ МЕТАЛЛАМИ
В работе рассматривается формирование метастабильного структурного состояния пересыщенного твердого раствора и дисперсного конгломерата фаз в оплавленном лазерным излучением поверхностном слое сплавов алюминия с переходными металлами. Также оценивается влияние этих неравновесных структурных...
2017 / Якунин Е. А., Курнат Н. Л., Морозова Т. В. -
ДВОЙНЫЕ И ТРОЙНЫЕ ТОЧКИ СИСТЕМЫ ХЛОРАТ НАТРИЯ 4АМИНО-1,2,4-ТРИАЗОЛ ВОДА
Аннотация. Исследование посвящено изучению структуры и свойств системы хлорат натрия 4-амино-1,2,4-триазол вода с учетом наличия двойных и тройных точек. В работе проведен анализ фазовых диаграмм, определены условия и температурные точки, в которых происходят фазовые переходы в данной системе....
2024 / Мамараимов А. А. -
DOCKING, SYNTHESIS AND β-LACTAMASE INHIBITORY ACTIVITY EVALUATION FOR NEW AMIDE COMPOUNDS
The beta-lactams are recognized as effective antibiotics for treating infections, yet bacterial production of β-lactamase, which hydrolyzes the beta-lactam ring, can render these drugs inactive. Combining these antibiotics with a β-lactamase inhibitor, such as clavulanic acid, mitigates this...
2024 / Ahmed A. J. Mahmood, Safaa P. BahnamScopusCAS -
SYNTHESIS OF TETRAHYDRATED Na (I) SALT OF 4-CARBOXY 2-NITRO TEREPHTHALATE AND ITS STRUCTURAL STUDY
An acid sodium salt of 2-nitro-terephthalic acid was synthesized and its molecular and crystal structures were studied. The crystallographic parameters of the new compound are as follows: the chemical formula – C8H8NNaO8, Cambridge Crystallographic Database Code: 2332574, molecular weight – 269.14, ...
2024 / Lala N. MamedovaScopusCAS -
PREPARATION, CHARACTERIZATION, AND STUDY OF THE BIOLOGICAL ACTIVITY OF 5-CHLORO-8-QUINOLINOL DERIVATIVES AND ITS COORDINATION WITH THE NICKEL (II) AND DIPHOSPHINES
Nickel complexes are effective catalysts for cross-coupling reactions between alkyl Grignard reagents and alkenyl–S and alkenyl–Se compounds. In this study, various organic compounds were prepared. Ethylnyl 2-((5-chloro-8-quinolinol)oxy) acetate compound (designated as A1) was synthesized by...
2024 / Sakar M. Abdalrazaq, Afraa S. Shihab, Iyad S. HamadScopusCAS -
INVESTIGATION OF FUNGICIDAL PROPERTIES OF HEXYL BROMIDE COMPLEX OF N'-(2,2-BITCYCLO[2.2.1]HEPT-5-EN-2-YL-4,5-DIHYDRO-1-H-IMIDAZOLIN-1-YLETHYL)ETHANE-1,2-DIAMINE AS ANTIMICROBIAL ADDITIVE TO LUBRICANT-COOLANT FLUIDS
The results of a study of the antifungal properties of an imidazoline hexyl bromide complex obtained on the basis of bicyclo[2.2.1]hept-5-ene-2-carboxylic acid and triethylenetetraamine as an additive to cutting fluids are presented. First, imidazoline was obtained by reacting norbornene carboxylic ...
2024 / E.H. Mammadbayli, V.H. BabayevaScopusCAS -
NEW CHALCONE DERIVATIVES AS ANTICANCER AND ANTIOXIDANT AGENTS: SYNTHESIS, MOLECULAR DOCKING STUDY AND BIOLOGICAL EVALUATION
In this approach, a series of new chalcone derivatives bearing baclofen drug were synthesized via Claisen-Schmidt condensation and evaluated in vitro as anticancer and antioxidant agents. The newly synthesized compounds were characterized by FT-IR, 1H-NMR, 13C-NMR spectra, and elemental analysis....
2024 / Nabeel A. Abdul-Rida, Kawther M. TalibScopusCAS -
SYNTHESIS AND STUDY OF SOME NOVEL β-ARYLAMINO-2-OXY-5-METHYLPROPIOPHENONES AS POLYETHYLENE STABILIZERS
The number of b-arylamino-2-oxy-5-methylpropiophenones has been synthesized by reacting of b-dimethylamino-2-oxy-5-methylpropiophenone hydrochloric acid salt with aniline derivatives in order to use these compounds as stabilizers for polyethylene. It was shown that the thermal stability of the...
2024 / Tanzilya Akchurina, Zubeyda Israfilova, Nastaran Sadeghian, Parham Taslimi, Vagif Farzaliyev, Afsun Sujayev, Khuraman EfendiyevaScopusCAS -
SYNTHESIS AND CHARACTERIZATION OF Mn+2, Co+2, Ni+2, Cu+2 AND Zn+2 COMPLEXES WITH 4-(2-(BENZO-1,3-DIOXOL-5-YL)-4,5-DIPHENYL-2,5-DIHYDRO-1H-IMIDAZOL-1-YL)ANILINE AND EVALUATION OF THEIR BIOLOGICAL ACTIVITY
The aim of this work was to create new ligand complexes and evaluate their effectiveness against certain strains of bacteria. A Brucker Tensor 27co FTIR spectrophotometer was used to record the infrared spectra. Elemental analysis (C, H, N) was carried out on an AA670 atomic absorption...
2024 / Roaa R. Abdljabar, Farah T. SaeedScopusCAS -
CHEMICAL COMPOSITION OF EXTRACTS AND ESSENTIAL OILS OBTAINED FROM COMMON JUNIPER (JUNIPERUS COMMUNIS L.) IN AZERBAIJAN
Juniperus communis L. (common juniper) is a widespread plant species in the Western region of Azerbaijan. The dependence of the composition and content of various biologically active substances in juniper on natural climatic conditions was studied. The results of the study of the substances...
2024 / A.B. Suleymanova, K.T. Aliyeva, A.E. NasirovaScopusCAS -
INNOVATIVE METAL COMPLEXES AS PHOTOSTABILIZERS TO IMPROVE THE FUNCTIONAL LONGEVITY OF POLYVINYL CHLORIDE
Polyvinyl chloride (PVC) is involved in diverse applications that significantly influence our daily lives; it is industrially synthesized in various configurations in order to fulfill the target application. However, PVC is susceptible to photodegradation, yielding toxic byproducts detrimental to...
2024 / Husam Salman, Dina S. Ahmed, Amir A. Hassan, Jawad Shnein, Mohammed Kadhom, Rania Kareem, Muna Bufaroosha, Ahmed Ahmed, Hassan Hashim, Amani Husain, Emad YousifScopusCAS -
INVESTIGATION OF THE ATOMIC DYNAMICS OF CdSe THIN LAYERS BY RAMAN SPECTROSCOPY
This study is focused on investigating the atomic dynamics and vibrational properties of thin layers of cadmium selenide with thickness ranging from 200–500 nm. The studies were carried out using Raman spectroscopy at room temperature. Raman spectra were obtained in the frequency range ν = 100-800...
2024 / N.M. Abdullayev, L.N. Ibrahimova, M.E. Aliyev, Y.I. AliyevScopusCAS -
ВЛИЯНИЕ ВИБРАЦИИ НА КОНЦЕНТРАЦИЮ РАСТВОРЕННОГО КИСЛОРОДА В АРТЕЗИАНСКОЙ ВОДЕ И ЕЕ БИОЛОГИЧЕСКИЕ СВОЙСТВА
Исследовано влияние вибрации на содержание кислорода в артезианской воде, насыщенной О2 путем барботирования в электромагнитном поле. Определение содержания кислорода проводилось методом постояннотоковой вольтамперометрии. Нанопузырьковая газовая фаза проявляется на вольтамперной кривой...
2017 / Канунникова О. М., Трубачев А. В., Кропачева Т. Н., Кожевников В. И., Соловьев А. А. -
COMPARATIVE ANALYSIS OF THE STRUCTURE OF PPAND PS-BASED NANOCOMPOSITES, OBTAINED BY INCORPORATING SILICON DIOXIDE NANOPARTICLES, IN ORDER TO EVALUATE THE APPLICATION POTENTIAL
In the present work, the role of the polymer matrix in the formation of the unique properties of the nanocomposites was analyzed. Silicon dioxide-based polymer nanocomposites were prepared by a combination of mixing in a polymer solution and hot-pressing techniques. The UV-Vis spectrums of the...
2024 / Habiba Shirinova Aslan, Hasanova Matanat Rufat, Asmar Alieva Nusrat -
WAYS TO REGULATE THE PROPERTIES OF THE EPOXY OLIGOMER
The most effective way to regulate the properties of epoxide oligomer is their modification. For this purpose, finding wide-ranging modifiers is one of the actual problems. Investigating specific properties of modifying additives and their purposeful use can lead to high technology,...
2018 / Musayevа A. Yu -
Механизм перекристаллизации углеродистых сталей
Разработан наноструктурный механизм перекристаллизации углеродистых сталей. Сначала из элементарных нанокристаллов железа и графита, свободных атомов железа и углерода образуются структурообразующие нанокристаллы аустенита, феррита и цементита. Из них формируются центры кристаллизации...
2024 / Е И. Марукович, В Ю. Стеценко, А В. Стеценко -
Наноструктурированные покрытия на основе Ленгмюра–Блоджетт плёнок перфтордекановой кислоты для гибких датчиков анализа ионов свинца в воде
В результате антропогенной деятельности в окружающую среду поступает большое количество тяжёлых металлов. Важнейшей задачей является поиск методов контроля их содержания в воде. Трековые мембраны могут быть относительно легко модифицированы нанометровыми слоями функциональных материалов с...
2024 / Г Б. Мельникова, Д В. Сапсалёв, Т Н. Толстая, И В. Корольков, С А. Чижик, Н Н. Жуманазар, А С. Баранова, М В. Здоровец -
ANALYSIS OF THE ELEMENTS OF NIGELLA SATIVA L VEGETABLE OIL AND ITS SIGNIFICANCE IN TRADITIONAL MEDICINE
In this article, the chemical composition of sedana (Nigella sativa l) plant is fully explained and "Cold pressing" method was used to fully preserve the beneficial chemical modes of sedana (Nigella sativa l) oil. Oil was extracted by pressing high-quality seeds of sedana cleaned in accordance with ...
2024 / Asqarov I., Xusanov U. -
КИНЕТИЧЕСКИЕ ПАРАМЕТРЫ ПРОЦЕССА ВЫДЕЛЕНИЯ НЕПРЕДЕЛЬНЫХ ЖИРНЫХ КИСЛОТ ИЗ РАСТИТЕЛЬНЫХ МАСЕЛ
В работе рассматриваются такие кинетические параметры, как скорость реакции и энергия активации. Представлены формулы для расчета скорости реакции и энергия активации процессов выделения непредельных жирных кислот из растительных масел.
2024 / Яковлева И. Ю.
