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Experimental and theoretical study of corrosion inhibition performance of N-phenylthiourea for mild steel in hydrochloric acid and sodium chloride solution
The corrosion inhibition performance of N-phenylthiourea for mild steel in solutions of 1.0 M hydrochloric and 3.5% wt. sodium chloride was...
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Catalytic thiomethylation of aminobenzamides using bis(N,N-dimethylamino)methane, hydrogen sulfide, and its sodium salts
An efficient method for the catalytic thiomethylation of regioisomeric aminobenzamides with bis( N,N -dimethylamino)methane (formaldehyde) and H 2 S (Na 2 S...
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Accurate estimation of enthalpies of formation for C-, H-, O-, and N-containing compounds using DLPNO-CCSD(T1)/CBS method
The DLPNO-CCSD(T 1 )/CBS and G4 methods combined with isogyric, isodesmic, and homodesmotic working reactions were applied to calculate gas-phase...
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Development of the Detonation Nanodiamond Synthesis from Tetryl Based Ternary Mixtures
AbstractThe process of detonation synthesis of nanodiamonds from ternary systems was developed with conversion tetryl as their main component. The...
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Study on Plugging Mechanism of Gel Plugging Agent in Fractured Carbonate Oil Reservoirs
Estimates show that carbonate reservoirs contribute to 60% of the world’s total oil and gas production, where fractured reservoir bodies are the most...
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Synthesis and Acidizing Corrosion Inhibition Performance of N-Doped Carbon Quantum Dots
In this paper, citric acid was used as carbon source, diethylenetriamine and urotropine were used as precursors, and N-doped carbon dots (cdh-CDs)...
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Synthesis and Biological Activity of New Aminophosphabetaines
AbstractAminophosphabetaines, i.e., isobutyl {[alkyl(dimethyl)ammonio]methyl}phosphonates with higher alkyl substituents at the nitrogen atom, were...
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Pyrazole-Containing o-Benzoquinones: Synthesis and Inhibitory Activity in Free-Radical Polymerization
AbstractA series of trisubstituted o -benzoquinones containing a (3,5-dimethyl-1 H -pyrazol-1-yl)methyl substituent at position 3 and two alkyl groups (
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Adhesives for Gluing Rubbers to Metals during the Vulcanization Process: A Review
AbstractA review of patent and technical literature in the area of publication of adhesives for gluing polar and nonpolar rubbers with metals during...
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Study on Performance Evaluation of Profile Control System with High Temperature Resistant Weak Gel Prepared from the Produced Fluid
The use of highly mineralized reinjection water has low gel strength and poor stability, and the above problems are more prominent under...
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Ruthenium(III) Catalyzed Oxidation of Methenamine by Cerium(IV) in Aqueous Sulfuric Acid Medium—A Kinetic and Mechanistic Approach
AbstractReduction of cerium(IV) when it is in the form of an oxidant is done by adding methenamine as a substrate. This can be carried out in a...
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Synthesis and Catalytic Activity of Quaternary Ammonium Salts Containing gem-Dichlorocyclopropane and 1,3-Dioxolane Fragments
AbstractQuaternary ammonium salts containing gem -dichlorocyclopropane and 1,3-dioxolane groups were synthesized in high yield. The reactions of...
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Seminar “New Organic Functional Materials”
AbstractThe seminar “New Organic Functional Materials” was held from July 3 to 6, 2023, at St. Petersburg State University as part of the All-Russian...
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Energy of Intramolecular Interactions and Structure of Metallophosphate Polycomplexes with Water Molecules and Nitrogen-Containing Compounds
Abstract—The interaction energies of fragments of aluminoborophosphate chains with water molecules and nitrogen-containing compounds are calculated...
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Phenol-Formaldehyde Resins: Properties, Fields of Application, and Methods of Synthesis
AbstractThis review considers the current situation in the market of phenol-formaldehyde resins, which serve as a basis for a wide range of binders,...
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Radiation Induced Free-Radicals for EPR Dosimetry Applications
The performance characteristics of γ -rays dose measurements with EPR spectrometer and urotropine rods were analyzed, it were formulated as rods. The...
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Modern Phenolic Adhesives for Aviation and Engineering. Part 1. The Effect of Modifying Additives
AbstractPhenolic adhesives used in modern engineering industries, including aircraft and rocket manufacturing, are reviewed. Ways to modify adhesives...
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In Vitro Activity of Organochalcogen Compounds: I. Cytotoxic Effect of 4-(1,2,3-Thiadiazol-4-yl)furans Against K562 and HeLa Tumor Cell Lines
AbstractIn vitro antitumor activity of some 4-(1,2,3-thiadiazol-4-yl)furans was studied against erythroleukemia (K562) and cervical carcinoma (HeLa)...
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Synthesis and Some Reactions of 2-(Thien-2-yl)naphtho[1,2-d]thiazole
AbstractCondensation of 1-aminonaphthalene with thiophene-2-carbonyl chloride in 2-propanol furnished N -(1-naphthyl)thiophene-2-carboxamide, the...
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Synthetic studies toward novel pyrrolobenzodiazepine–coumarin hybrids
A comprehensive screening of known methods for the synthesis of coumarins was performed in order to obtain a new type of...
