Химические науки список научных статей
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OXIDATION OF N-OCTANE IN THE PRESENCE OF MANGANESE-POLYMER CATALYST AND SELECTION OF THE APPROPRIATE KINETIC MODEL
Oxidation of n-octane was carried out in a stationary reactor using immobilized manganese nanoparticles in various mass percentages (5 and 10 wt.%) on poly(4-vinylpyridine). It was found that manganese-containing catalysts immobilized in polymer are more active in the oxidation of n-octane than...
2022 / Isazade A.F., Mammadova U.A., Asadov M.M., Zeynalov N.A., Tagiev D.B. -
KINETICS OF COHERENT-SYNCHRONIZED PEROXIDASE OXIDATION OF ETHYL ALCOHOL TO ACETALDEHYDE ON HETEROGENIZED BIOMIMETIC CATALYSTS
The peroxidase activity of the synthesized heterogeneous biomimetic catalysts, PPFe3+OH/Al2O3, TPhPFe3+OH/Al2O3 and per-FTPhPFe3+OH/Al2O3 in the reaction of ethyl alcohol oxidation to acetaldehyde with hydrogen peroxide has been studied, which showed high catalase activity and unique resistance to...
2022 / Mammadova U.V., Nagieva I.T., Gasanova L.M., Nagiev T.M. -
PROPERTIES OF POLYMERS BASED ON AROMATIC DIAMINES
This review provides detailed information on the synthesis, structure, properties, methods for studying, and areas of application conductive polymers synthesized on the basis of phenylenediamines. Conductive polymers based on phenylenediamines are cationic salts of highly conjugated polymers and...
2022 / Medjidov A.A., Ismayilova S.Z., Ganzayeva G.M., Agaeva S.A., Qasimova S.N. -
COPOLYMERS ON THE BASIS OF (P-CHLOROPHENOXYCARBONYL)-CYCLOPROPYL STYRENE WITH STYRENE AND METHYL METHACRYLATE
The radical copolymerization of (p-chlorophenoxycarbonyl)cyclopropyl styrene with styrene and methyl methacrylate has been carried out. New cyclopropane-containing copolymers have been obtained. It has been established that the synthesized copolymers due to peculiarities of their structure and...
2022 / Sadygova A.I. -
INFLUENCE OF CONCENTRATION AND DISPERSION OF HOUSEHOLD WASTE THERMOASH ON THE PHYSICAL-MECHANICAL PROPERTIES OF COMPOSITES BASED ON POLYPROPYLENE
The paper presents the results of studying the influence of the concentration of thermoash from household waste on the main physical-mechanical properties of composites based on polypropylene. Properties such as ultimate tensile stress, tensile yield strength, flexural strength, elongation at...
2022 / Kakhramanov N.T., Hasanova A.A., Kahramanli Y.N., Allahverdiyeva Kh.V., Osipchik V.S., Mustafayeva F.A., Gasimova G.Sh. -
COORDINATION POLYMER OF STRONTIUM (II) BASED ON PHTHALIC ACID AND PYRAZINE ADDUCT
The coordination polymer of Sr (II), with the chemical formula of {SrL1 (L2)0.5·(H2O)0.36}n (L1 = phthalic acid anion and L2 = pyrazine), have been synthesized by the interaction of sodium phthalate with a water-soluble strontium salt and pyrazine in the aqueous medium with further evaporation of...
2022 / Usubaliev B.T., Tagiev D.B., Aliyeva G.M., Munshieva M.K., Rakhmanova S.Y., Azizova A.N., Mammadova N.A., Mammadova H.F., Mansurova K.A., Aliyeva F.B., Mammadova S.R. -
SYNTHESIS AND STUDY OF COPOLYMERS OF METHYL METHACRYLATE WİTH OLIGOPROPYLENE MACROMONOMERS
The reaction of radical copolymerization of oligopropylene macromonomer (M1) with methyl methacrylate (M2) has been carried out, the regularities of the reaction and the properties of the obtained products have been studied. It has been found that the values of the relative activity of these...
2022 / Dostuyeva V.M. -
PHASE RELATIONS AND CHARACTERIZATION OF SOLID SOLUTIONS IN THE SNBI2TE4-PBBI2TE4 AND SNBI4TE7-PBBI4TE7 SYSTEMS
Phase equilibria in SnBi2Te4-PbBi2Te4 and SnBi4Te7-PbBi4Te7 systems were studied using differential thermal analysis (DTA) and X-ray diffraction (XRD) techniques. It has been shown that both systems are characterized by the formation of a continuous series of solid solutions with a tetradymite-like ...
2022 / Aghazade A.I. -
AMINOMETHYLATION OF DIHYDROXYACETOPHENONES
Aminomethylation of trifunctional 2.5-dihydroxyacetophenone (2.5-DHA) and 2.4-dihydroxyacetophenone (2.4-DHA) by free primary and secondary amines in the presence of formaldehyde has been conducted for the first time. It has been established that 2.5-DHA is aminomethylated with secondary...
2022 / Agamaliyeva M.M., Pashajanov A.M., Ismailov T.M., Ismailov N.I., Hasanova G.O. -
FE-CONTAINING CARBON NANOTUBES AS CATALYSTS IN THE AEROBIC OXIDATION REACTIONS OF DECALIN AND TETRADECANE
This article studies the catalytic activity of multi-walled carbon nanotubes (MWCNTs) in the oxidation reactions of aliphatic and polycyclic hydrocarbons is studied. In order to determine the catalytic activity, MWCNTs catalysts containing 22.8% Fe each were used. Catalyst samples were synthesized...
2022 / Mustafayeva N.A. -
ADSORPTION STUDY OF ACETONE ON THE SORBENTS BASED ON MONTMORILLONITE
Corresponding cation forms of the montmorillonite samples taken from the Ag-Dere bentonite deposit were obtained by processing them with Co2+ and Ni2+ salts. The nature and amount of acid sites formed on the surfaces of the obtained samples were studied by adsorption of acetone using the...
2022 / Imanova N.A., Sadixov F.M. -
SYNTHESIS AND INVESTIGATION OF PHOTO- AND ELECTRICAL PROPERTIES OF GLASSY ALLOYS OF THE AS3SE3-NDSE SYSTEM
Alloys of the As2Se3-NdSe system were synthesized in a wide range of concentrations. The As2Se3-NdSe system was studied by differential thermal (DTA), X-ray diffraction (XRD), microstructural (MSA) analysis, as well as by measuring microhardness and density. The system has small single-phase fields ...
2022 / Aliyev I.I., Ilyasly T.M., Khudiyeva A.G., Gashimov Kh.M. -
РОЛЬ ФИЗИЧЕСКИ СОРБИРУЕМОГО РЕАГЕНТА-СОБИРАТЕЛЯ ПРИ ФЛОТАЦИИ ПИРИТА
Рассмотрена роль продуктов взаимодействия ксантогената с ионами железа при флотации пирита в разных областях pH. Экспериментально показано, что производные формы бутилового ксантогената и хлорида железа обладают высокой скоростью растекания по отношению к границе раздела «газ-жидкость» и могут...
2022 / Коновалов И. А. -
ВЛИЯНИЕ КИСЛОРОДА НА ТЕМПЕРАТУРУ И ЭЛЕКТРОННУЮ ПЛОТНОСТЬ АЗОТНОЙ МИКРОВОЛНОВОЙ ПЛАЗМЫ
Исследовано влияние содержания кислорода в диапазоне 0,1-1,2% в плазмообразующем газе - азоте на характеристики микроволновой плазмы: температуру и электронную плотность. Температура плазмы снижается с 4500 до 4390 К с увеличением содержания О2, а плотность электронов уменьшается с 1,16·1014 до...
2022 / Комин О. В., Пелипасов О. В. -
ОПРЕДЕЛЕНИЕ МЕДИ В ПРИРОДНЫХ СТОЧНЫХ ВОДАХ И ДОННЫХ ОТЛОЖЕНИЯХ1979 / Т.Л. Радовская, Н.П. Макаренко, Л.В. СелезневаScopusВАКCASRSCIPubMed
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ВЛИЯНИЕ СОСТАВА НОСИТЕЛЯ НА СВОЙСТВА КОБАЛЬТОВОГО КАТАЛИЗАТОРА
В статье приведены результаты исследования физико-химических и каталитических свойств кобальтовых катализаторов на смешанном цеолитсодержащем носителе. Образцы катализаторов, содержащие 10 % кобальта и от 30 до 70% высококремнеземного цеолита ЦВМ, были приготовлены методом пропитки с последующей...
2022 / Семенцова А.В., Полякова М.С., Пятиконова В.В. -
ОПРЕДЕЛЕНИЕ СОРБАТА КАЛИЯ И БЕНЗОАТА НАТРИЯ В БЕЗАЛКОГОЛЬНЫХ НАПИТКАХ ПЬЕЗОСЕНСОРАМИ НА ОСНОВЕ МОЛЕКУЛЯРНО-ИМПРИНТИРОВАННЫХ ПОЛИМЕРОВ
В пищевой промышленности широко используются такие консерванты, как сорбат калия и бензоат натрия. Контроль за их содержанием в пищевых продуктах является необходимым, поскольку превышение их допустимых концентраций может влиять на здоровье человека. Для определения содержания сорбата калия и...
2022 / Ву Хоанг Иен, Зяблов А.Н.WOSScopusВАКCASRSCI -
ВОЛЬТАМПЕРОМЕТРИЧЕСКОЕ ОПРЕДЕЛЕНИЕ ПРОИЗВОДНЫХ 1,4- НАФТОХИНОНА
В данной работе изучены физико-химические закономерности окисления-восстановления 2,3-дихлор-1,4-нафтохинона (NQ) и синтезированного на его основе 2-хлор-3-((4-гидроксифенил) амино)-1,4-нафтохинона (NQ1) на импрегнированном графитовом электроде. Определен характер протекания электрохимических...
2022 / Асеева Наталья Валерьевна, Короткова Елена Ивановна, Липских Ольга Ивановна, Хлебников Андрей Иванович, Даниленко Надежда ВикторовнаWOSScopusВАКCASRSCI -
ANALYSIS OF THE SENSITIVITY OF THE GAS ELECTRON DIFFRACTION METHOD TO THE DETERMINATION OF THE CONFORMATIONAL COMPOSITION OF PHENYL AND THIOPHENYL SUBSTITUTED AZA-BODIPY: THEORETICAL STUDY
Conformational manifold of 1,3,5,7-tetraphenyl-aza-BODIPY and 1,3,5,7-tetra(2-thiophenyl)-aza-BODIPY was studied by B3LYP calculations. The addition of four cyclic groups to the aza-BODIPY core defines the non-planarity of the molecule and movement of the substituents from the heterocycle plane....
2022 / Pogonin Alexander E., Postnikova Daria A., Shagurin Artem Yu., Marfin Yuriy S., Girichev Georgy V.WOSScopusВАКCASRSCI -
ФИЗИКО-ХИМИЧЕСКИЕ ХАРАКТЕРИСТИКИ МАТЕРИАЛОВ НА ОСНОВЕ ЛАНТАНОИДОВ ЦЕРИЕВОЙ ГРУППЫ И ХРОМА
Изучены некоторые физико-химические характеристики гекса(тиоцианато-N)хроматных комплексов лантаноидов цериевой группы с 3 - пиридин-3-карбоновой кислотой. ИК-спектроскопически по смещению основных характеристических полос поглощения роданидных групп и органических веществ показано, что соединения...
2022 / Черкасова Елизавета Викторовна, Черкасова Татьяна ГригорьевнаWOSScopusВАКCASRSCI