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The chemiluminescence spectra of the samples with nanosized titanium(IV) oxide, both commercial – Hombifine N, Hombikat UV100, Degussa P25, «Anatase I» (Sigma Aldrich), «Anatase II» (Russia), and that prepared in present research by hydrothermal and sol-gel methods (anatase, X-ray amorphous titania, η-phase – TiO2- x×mH2O, and peroxide phase – TiOx(O2)2-x×mH2O) in aqueous media in the presence of luminol or lucigenin under UV-irradiation have been studied. The auxiliary program for data processing and calculating of the Reactive Oxygen Species (ROS: %O2−, %OH radicals, and H2O2) concentration, which correlated with the amount of photoluminescence photons (quantity hν, eV), has been developed. Photocatalytic activity (PCA) of prepared samples has been studied in the reaction of photodegradation of model dyes (methyl orange - MeO and rhodamine 6 G) and harmful organic pollutant (fungicide – difenoconazole, pesticide – thiamethoxam) under UVirradiation. The connection between the rate constant (k, min-1) of photooxidation of MeO and %OH radicals content (in the presence of luminol) and %O2−, H2O2 species content (in the presence of lucigenin) has been described by a transition function of an aperiodic link of the 1st order and a polynomial of 2nd degree, respectively. The maximum k value of the reaction of MeO, difenoconazole, and thiamethoxam photodecomposition under UV irradiation has been achieved in the presence of commercial samples with nanosized anatase, characterized by the optimal crystallite size for photocatalysis (Anatase Sigma-Aldrich) and the maximum specific surface area (Hombifine N «Sachtleben Chemie GmbH»). The k value of the reaction of MeO, difenoconazole, and thiamethoxam photodecomposition under UV irradiation was minimal in the presence of samples containing X-ray amorphous titanium(IV) oxide or η-phase. The role of different factors (sample composition and phase modification, the content of reactive oxygen species, the size of nanoparticles at all levels,
specific surface area, etc.) in the exhibition of photocatalytic activity has been discussed.
The volume consists of scientifi c and research papers of the Sixth International Conference “Actual Problems of System and Software Engineering” (APSSE-2019). The Conference was held at the National Research University “Higher School of Economics” from November 12 to November 14, 2019 in Moscow, Russia. The conference was devoted to the analysis of the status, contemporary trends, research issues and practical results obtained by national and foreign scientists and experts in the system and software engineering area, as well as information and analytical systems development area using Big Data technologies. The target audience of the conference came to be the experts, students and postgraduates working in the area of ordering, designing, development, implementation, operation, and maintenance of information and analytical systems for various applications and their software, also working on custom software development. Plenary papers were delivered by the leading domestic and foreign specialists and were aimed at developing the views on the most important and fundamental aspects of the information technology development. Submitted articles were selected for publication. All the submitted articles were reviewed by the members of the Program Committee as well as by the independent reviewers.
The analysis of systems of telematics of commercial transport is provided in article, the factors influencing its application ways of development of the systems "Fleet management" in Russia are offered and also the pilot model of telematic system, more available from the economic point of view, with function of forecasting of technical condition of the rolling stock on the basis of expert system is presented.
Process models discovered from event logs of multi-agent systems may be complicated and unreadable. To overcome this problem, we suggest using a compositional approach. A system model is composed from agent models w.r.t. an interface. Morphisms guarantee that composition of correct models is correct. This study contributes to the practical implementation of the morphism-based compositional approach. We use interaction patterns to model typical interfaces. Experimental evaluation justifies the practical value of the compositional approach.