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Загальна кількість знайдених документів : 20
Представлено документи з 1 до 20
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Pyshyev S. Desulphurization and Usage of Medium-Metamorphized Black Coal. 1. Determination of the Optimal Conditions for Oxidative Desulphurization [Електронний ресурс] / S. Pyshyev, Yu. Prysiazhnyi, D. Miroshnichenko, H. Bilushchak, R. Pyshyeva // Chemistry & Chemical Technology. - 2014. - Vol. 8, № 2. - С. 225-234. - Режим доступу: http://nbuv.gov.ua/UJRN/Chemistry_2014_8_2_20
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Prysiazhnyi Yu. Desulphurization and Usage of Medium-Metamorphized Black Coal. 2. Desulphurized Coal Used as an Additive for the Production of Special Types of Coke [Електронний ресурс] / Yu. Prysiazhnyi, S. Pyshyev, V. Kochubey, D. Miroshnichenko // Chemistry & Chemical Technology. - 2014. - Vol. 8, № 4. - С. 467-474. - Режим доступу: http://nbuv.gov.ua/UJRN/Chemistry_2014_8_4_18
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Pyshyev S. Using Bitumen Emulsions Based on Oxidated, Distillation and Modified Oxidated Bitumens for Slurry Seal Production [Електронний ресурс] / S. Pyshyev, Yu. Grytsenko, S. Solodkyy, Iu. Sidun, O. Vollis // Chemistry & Chemical Technology. - 2015. - Vol. 9, № 3. - С. 359-366. - Режим доступу: http://nbuv.gov.ua/UJRN/Chemistry_2015_9_3_19
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Pyshyev S. Polymer Modified Bitumen: Review [Електронний ресурс] / S. Pyshyev, V. Gunka, Y. Grytsenko, M. Bratychak // Chemistry & Chemical Technology. - 2016. - Vol. 10, № 4(s). - С. 631-636. - Режим доступу: http://nbuv.gov.ua/UJRN/Chemistry_2016_10_4(s)__15
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Shved M. Effect of Oxidant Relative Flow Rate on Obtaining Raw Material for Pulverized Coal Production from High-Sulfuric Low Grade Coal [Електронний ресурс] / M. Shved, S. Pyshyev, Y. Prysiazhnyi // Chemistry & Chemical Technology. - 2017. - Vol. 11, № 2. - С. 236-241. - Режим доступу: http://nbuv.gov.ua/UJRN/Chemistry_2017_11_2_20
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Bratychak M. Obtaining of Coumarone-Indene Resins Based on Light Fraction of Coal Tar. 1. Coumarone-Indene Resins with Carboxy Groups [Електронний ресурс] / M. Bratychak, O. Astakhova, O. Shyshchak, J. Namiesnik, O. Ripak, S. Pyshyev // Chemistry & Chemical Technology. - 2017. - Vol. 11, № 4. - С. 509-516. - Режим доступу: http://nbuv.gov.ua/UJRN/Chemistry_2017_11_4_22
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Miroshnichenko D. Effect of the quality indices of coal on its grindability [Електронний ресурс] / D. Miroshnichenko, V. Koval, O. Bogoyavlenska, S. Pyshyev, E. Malyi, M. Chemerinskiy // Mining of mineral deposits. - 2022. - Vol. 16, Iss. 4. - С. 40-46. - Режим доступу: http://nbuv.gov.ua/UJRN/rr_2022_16_4_8
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Prysiazhnyi Y. Determination of Optimum Conditions Effect of Coal Oxidative Desulfurization to Produce Pulverized Coal [Електронний ресурс] / Y. Prysiazhnyi, M. Shved, S. Pyshyev, H. Bilushchak, A. Pyshieva // Chemistry & Chemical Technology. - 2018. - Vol. 12, № 3. - С. 355-364. - Режим доступу: http://nbuv.gov.ua/UJRN/Chemistry_2018_12_3_16
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Demchuk Y. Effect of Phenol-Cresol-Formaldehyde Resin on Adhesive and Physico-Mechanical Properties of Road Bitumen [Електронний ресурс] / Y. Demchuk, I. Sidun, V. Gunka, S. Pyshyev, S. Solodkyy // Chemistry & Chemical Technology. - 2018. - Vol. 12, № 4. - С. 456-461. - Режим доступу: http://nbuv.gov.ua/UJRN/Chemistry_2018_12_4_9
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Pyshyev S. Development of Mathematical Model and Identification of Optimal Conditions to Obtain Phenol-Cresol-Formaldehyde Resin [Електронний ресурс] / S. Pyshyev, Y. Demchuk, V. Gunka, I. Sidun, M. Shved, H. Bilushchak, A. Obshta // Chemistry & Chemical Technology. - 2019. - Vol. 13, № 2. - С. 212-217. - Режим доступу: http://nbuv.gov.ua/UJRN/Chemistry_2019_13_2_14
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Demchuk Y. Slurry Surfacing Mixes on the Basis of Bitumen Modified with Phenol-Cresol-Formaldehyde Resin [Електронний ресурс] / Y. Demchuk, V. Gunka, S. Pyshyev, I. Sidun, Y. Hrynchuk, J. Kucinska-Lipka, M. Bratychak // Chemistry & Chemical Technology. - 2020. - Vol. 14, № 2. - С. 251-256. - Режим доступу: http://nbuv.gov.ua/UJRN/Chemistry_2020_14_2_18
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Pyshyev S. Study on Hydrodynamic Parameters of the Oxidative Desulfurization of High Sulfur Straight-Run Oil Fractions [Електронний ресурс] / S. Pyshyev, M. Bratychak // Chemistry & Chemical Technology. - 2020. - Vol. 14, № 3. - С. 403-411. - Режим доступу: http://nbuv.gov.ua/UJRN/Chemistry_2020_14_3_19
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Pyshyev S. State of the Art in the Production of Charcoal: a Review [Електронний ресурс] / S. Pyshyev, D. Miroshnichenko, I. Malik, A. Contreras, N. Hassan, A. ElRasoul // Chemistry & Chemical Technology. - 2021. - Vol. 15, № 1. - С. 61-73. - Режим доступу: http://nbuv.gov.ua/UJRN/Chemistry_2021_15_1_11
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Pyshyev S. Study on Chemistry of Oxidative Desulfurization Process of High Sulfur Straight-Run Oil Fraction [Електронний ресурс] / S. Pyshyev, B. Korchak, D. Miroshnichenko, B. Nyakuma // Chemistry & Chemical Technology. - 2021. - Vol. 15, № 3. - С. 414-422. - Режим доступу: http://nbuv.gov.ua/UJRN/Chemistry_2021_15_3_16
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Prysiazhnyi Y. Preparation and Application of Coumarone-Indene-Carbazole Resin as a Modifier of Road Petroleum Bitumen. 1. Influence of Carbazole:Raw Materials Ratio [Електронний ресурс] / Y. Prysiazhnyi, G. I. Borbeyiyong, S. Pyshyev // Chemistry & Chemical Technology. - 2022. - Vol. 16, № 2. - С. 284-294. - Режим доступу: http://nbuv.gov.ua/UJRN/Chemistry_2022_16_2_16
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Bannikov L. Coke Quenching Plenum Equipment Corrosion and Its Dependents on the Quality of the Biochemically Treated Water of the Coke-Chemical Production [Електронний ресурс] / L. Bannikov, D. Miroshnichenko, O. Pylypenko, S. Pyshyev, O. Fedevych, V. Meshchanin // Chemistry & Chemical Technology. - 2022. - Vol. 16, № 2. - С. 328-336. - Режим доступу: http://nbuv.gov.ua/UJRN/Chemistry_2022_16_2_20
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Miroshnichenko D. V. Deposits and quality indicators of brown coal in Ukraine [Електронний ресурс] / D. V. Miroshnichenko, S. V. Pyshyev, V. V. Lebedev, D. Yu. Bilets // Naukovyi visnyk Natsionalnoho Hirnychoho Universytetu. - 2022. - № 3. - С. 5-10. - Режим доступу: http://nbuv.gov.ua/UJRN/Nvngu_2022_3_3 Purpose. To carry out marking of existing deposits of brown coal in accordance with domestic and international classifications. To give a comparative assessment of the distribution of balance reserves of brown coal in accordance with different classification systems. Methodology. Reserves and quality indicators data for brown coal in Ukraine were taken from the site of the State Research and Production Enterprise "State Information Geological Fund of Ukraine" and on the basis of our own research. Some quality indicators were calculated according to the formulas given in the periodical scientific literature. Ukraine's brown coal reserves were estimated using Ukrainian and international brown coal classifications. Findings. It is confirmed that the balance reserves of brown coal in Ukraine are located in Dnipropetrovsk, Zhytomyr, Zakarpattia, Kirovohrad, Kharkiv and Cherkasy regions and are (thousand tons): categories A + B + C1 - 2,593,359; category C2 - 299,181. Among the existing classifications, the most suitable for the brown coal distribution in Ukraine is the International Code System of Brown Coal, which is regulated in ISO 2950:1974 "Brown coal and lignites - Classification by types on the basis of total moisture content and tar yield". Originality. For the first time, a range of changes in brown coal quality indicators in Ukraine has been established, and its reserves have been marked using Ukrainian (DSTU 3472:2015) and international (ISO 2950:1974; International Classification of Coal in Reservoirs; ISO 11760:2005; ASTM D388-12) classifications. Comparative assessment of coal reserves will allow choosing the optimal ways of their processing, depending on the predicted properties of raw materials. Practical value. The reserves of brown coal deposits by regions and the degree of industrial development up to 01.01.2021 have been described, and the production of brown coal from 2011 to 2020 has been shown. Determining the quality of brown coal deposits in Ukraine allows us to develop the most effective methods for using the coal.
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Lebedev V. Study of Hybrid Humic Acids Modification of Environmentally Safe Biodegradable Films Based on Hydroxypropyl Methyl Cellulose [Електронний ресурс] / V. Lebedev, D. Miroshnichenko, S. Pyshyev, A. Kohut // Chemistry & Chemical Technology. - 2023. - Vol. 17, № 2. - С. 357-364. - Режим доступу: http://nbuv.gov.ua/UJRN/Chemistry_2023_17_2_17
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Prysiazhnyi Y. Obtaining and Use of Coumarone-Indene-Carbazole Resin as a Modifier of Road Petroleum Bitumen. 2. Setting the Type and Amount of Catalyst [Електронний ресурс] / Y. Prysiazhnyi, G. Borbeyiyong, B. Korchak, S. Pyshyev, M. Shved, Y. Matlakh // Chemistry & Chemical Technology. - 2023. - Vol. 17, № 2. - С. 450-459. - Режим доступу: http://nbuv.gov.ua/UJRN/Chemistry_2023_17_2_26
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Prysiazhnyi Y. Resins with Oxygen-Containing Functional Groups Obtained from Products of Fossil Fuels Processing: A Review of Achievements [Електронний ресурс] / Y. Prysiazhnyi, O. Grynyshyn, S. Pyshyev, B. Korchak, M. Bratychak // Chemistry & Chemical Technology. - 2023. - Vol. 17, № 3. - С. 574-591. - Режим доступу: http://nbuv.gov.ua/UJRN/Chemistry_2023_17_3_14
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