Showing results 1 to 20 of 31
next >
| Preview | Issue Date | Title | Author(s) | Preview | Type | Issue Date | Title | Author(s) |
| 2010 | Bitumen production via tar oxidation in the presence of petroleum resin with fluorine-containing groups | Bratychak, Michael; Chervinskyy, Taras; Astakhova, Olena; Shyshchak, Olena | | Article | 2010 | Bitumen production via tar oxidation in the presence of petroleum resin with fluorine-containing groups | Bratychak, Michael; Chervinskyy, Taras; Astakhova, Olena; Shyshchak, Olena |
| 2009 | Chemical modification of dianic epoxy resin by fluorine-containing alcohols | Bratychak, Michael; Shust, Olena; Astakhova, Olena; Shyshchak, Olena | | Article | 2009 | Chemical modification of dianic epoxy resin by fluorine-containing alcohols | Bratychak, Michael; Shust, Olena; Astakhova, Olena; Shyshchak, Olena |
| 2012 | Chemical modification of ED-24 epoxy resin by adipic acid | Bratychak, Micael; Astakhova, Olena; Mykhailiv, Olena; Stryzhachuk, Alina; Shyshchak, Olena | | Article | 2012 | Chemical modification of ED-24 epoxy resin by adipic acid | Bratychak, Micael; Astakhova, Olena; Mykhailiv, Olena; Stryzhachuk, Alina; Shyshchak, Olena |
| 2014 | Chemical modification of polyglycidyl phenolformaldehyde oligomers by methacrylic acid | Bratychak, Michael; Strap, Galyna; Shyshchak, Olena; Astakhova, Olena | | Article | 2014 | Chemical modification of polyglycidyl phenolformaldehyde oligomers by methacrylic acid | Bratychak, Michael; Strap, Galyna; Shyshchak, Olena; Astakhova, Olena |
| 2013 | Cross-linking of epoxy-oligoesteric mixtures in the presence of carboxy-containing derivative of ED-24 epoxy resin | Bratychak, Michael; Bashta, Bogdana; Bruzdziak, Piotr; Astakhova, Olena; Shyshchak, Olena | | Article | 2013 | Cross-linking of epoxy-oligoesteric mixtures in the presence of carboxy-containing derivative of ED-24 epoxy resin | Bratychak, Michael; Bashta, Bogdana; Bruzdziak, Piotr; Astakhova, Olena; Shyshchak, Olena |
| 2012 | Effect of coal quality on its desulphurization. 1. Influence of the organic matter | Pysh’yev, Serhiy; Gunka, Volodymyr; Astakhova, Olena; Prysiazhnyi, Yuri; Bratychak, Michael | | Article | 2012 | Effect of coal quality on its desulphurization. 1. Influence of the organic matter | Pysh’yev, Serhiy; Gunka, Volodymyr; Astakhova, Olena; Prysiazhnyi, Yuri; Bratychak, Michael |
| 2013 | Effect of coal quality on its desulphurization. 2. Influence of the inorganic matter | Pysh’yev, Serhiy; Gunka, Volodymyr; Astakhova, Olena; Prysiazhnyi, Yuri; Bratychak, Michael | | Article | 2013 | Effect of coal quality on its desulphurization. 2. Influence of the inorganic matter | Pysh’yev, Serhiy; Gunka, Volodymyr; Astakhova, Olena; Prysiazhnyi, Yuri; Bratychak, Michael |
| 28-Feb-2019 | Epoxy Composites Filled with Natural Calcium Carbonate. 1. Epoxy Composites Obtained in the Presence of Monoperoxy Derivative of Epidian-6 Epoxy Resin | Bratychak, Michael; Astakhova, Olena; Shyshchak, Olena; Zubal, Olha; Sienkiewicz, Maciej; Ivashkiv, Ostap; Lviv Polytechnic National University; Gdansk University of Technology | | Article | 28-Feb-2019 | Epoxy Composites Filled with Natural Calcium Carbonate. 1. Epoxy Composites Obtained in the Presence of Monoperoxy Derivative of Epidian-6 Epoxy Resin | Bratychak, Michael; Astakhova, Olena; Shyshchak, Olena; Zubal, Olha; Sienkiewicz, Maciej; Ivashkiv, Ostap |
| 2014 | Epoxy resins chemical modification by dibasic acids | Bashta, Bogdana; Astakhova, Olena; Shyshchak, Olena; Bratychak, Michael | | Article | 2014 | Epoxy resins chemical modification by dibasic acids | Bashta, Bogdana; Astakhova, Olena; Shyshchak, Olena; Bratychak, Michael |
| 2016 | Investigation of functional carboxy-containing oligomers by IR and NMR spectroscopy | Bashta, Bogdana; Donchak, Volodymyr; Plonska-Brzezinskа, Marta; Astakhova, Olena; Bratychak, Michael | | Article | 2016 | Investigation of functional carboxy-containing oligomers by IR and NMR spectroscopy | Bashta, Bogdana; Donchak, Volodymyr; Plonska-Brzezinskа, Marta; Astakhova, Olena; Bratychak, Michael |
| 4-Apr-2019 | Media literacy as a tool of confrontation with information warfare in the media | Astakhova, Olena; Kuznetsova, O. D.; Lviv Polytechnic National University | | Conference Abstract | 4-Apr-2019 | Media literacy as a tool of confrontation with information warfare in the media | Astakhova, Olena; Kuznetsova, O. D. |
| 2013 | Modified phenol-formaldehyde resins and their application in bitumen-polymeric mixtures | Strap, Galyna; Astakhova, Olena; Lazorko, Olexander; Shyshchak, Oleh; Bratychak, Michael | | Article | 2013 | Modified phenol-formaldehyde resins and their application in bitumen-polymeric mixtures | Strap, Galyna; Astakhova, Olena; Lazorko, Olexander; Shyshchak, Oleh; Bratychak, Michael |
| 2013 | Modified phenol-formaldehyde resins and their application in bitumen-polymeric mixtures | Strap, Galyna; Astakhova, Olena; Lazorko, Olexander; Shyshchak, Oleh; Bratychak, Michael | | Article | 2013 | Modified phenol-formaldehyde resins and their application in bitumen-polymeric mixtures | Strap, Galyna; Astakhova, Olena; Lazorko, Olexander; Shyshchak, Oleh; Bratychak, Michael |
| 2013 | Monomethacrylate derivative of ED-24 epoxy resin and its application | Iatsyshyn, Oksana; Astakhova, Olena; Shyshchak, Olena; Lazorko, Olexander; Bratychak, Michael | | Article | 2013 | Monomethacrylate derivative of ED-24 epoxy resin and its application | Iatsyshyn, Oksana; Astakhova, Olena; Shyshchak, Olena; Lazorko, Olexander; Bratychak, Michael |
| 2015 | New social media and intercultural understanding | Astakhova, Olena | | Conference Abstract | 2015 | New social media and intercultural understanding | Astakhova, Olena |
| 20-Jan-2017 | Obtaining of coumarone-indene resins based on light fraction of coal tar 1. Coumarone-indene resins with carboxy groups | Bratychak, Michael; Astakhova, Olena; Shyshchak, Olena; Namiesnik, Jacek; Ripak, Oresta; Pyshyev, Serhiy; Lviv Polytechnic National University | | Article | 20-Jan-2017 | Obtaining of coumarone-indene resins based on light fraction of coal tar 1. Coumarone-indene resins with carboxy groups | Bratychak, Michael; Astakhova, Olena; Shyshchak, Olena; Namiesnik, Jacek; Ripak, Oresta; Pyshyev, Serhiy |
| 20-Jan-2018 | Obtaining of coumarone-indene resins based on light fraction of coal tar 3. Coumarone-indene resins with methacrylic fragments | Bratychak, Michael; Astakhova, Olena; Prysiazhnyi, Yuriy; Shved, Mariia; Shyshchak, Olena; Namiesnik, Jacek; Plonska-Brzezinska, Marta; Lviv Polytechnic National University; Gdansk University of Technology,Poland; University of Bialystok, Poland | | Article | 20-Jan-2018 | Obtaining of coumarone-indene resins based on light fraction of coal tar 3. Coumarone-indene resins with methacrylic fragments | Bratychak, Michael; Astakhova, Olena; Prysiazhnyi, Yuriy; Shved, Mariia; Shyshchak, Olena; Namiesnik, Jacek; Plonska-Brzezinska, Marta |
| 28-Feb-2019 | Obtaining of coumarone-indene resins based on light fraction of coal tar 4. Bitumen-polymer blends with participation of coumarone-indene resins with epoxy groups | Astakhova, Olena; Shved, Mariia; Zubal, Olha; Shyshchak, Olena; Prysiazhnyi, Yuriy; Bruzdziak, Piotr; Bratychak, Michael; Lviv Polytechnic National University; Gdansk University of Technology | | Article | 28-Feb-2019 | Obtaining of coumarone-indene resins based on light fraction of coal tar 4. Bitumen-polymer blends with participation of coumarone-indene resins with epoxy groups | Astakhova, Olena; Shved, Mariia; Zubal, Olha; Shyshchak, Olena; Prysiazhnyi, Yuriy; Bruzdziak, Piotr; Bratychak, Michael |
| 20-Jan-2018 | Obtaining of coumarone-indene resins based on light fraction of coal tar. 2. Coumarone-indene resins with epoxy groups | Bratychak, Michael; Ripak, Oresta; Namiesnik, Jacek; Shyshchak, Olena; Astakhova, Olena; Lviv Polytechnic National University; Gdansk University of Technology | | Article | 20-Jan-2018 | Obtaining of coumarone-indene resins based on light fraction of coal tar. 2. Coumarone-indene resins with epoxy groups | Bratychak, Michael; Ripak, Oresta; Namiesnik, Jacek; Shyshchak, Olena; Astakhova, Olena |
| 28-Feb-2019 | Obtaining of Coumarone-Indene Resins based on Light Fraction of Coal Tar. 5. Emulsions on the Basis of Bitumen Modified by Coumarone-Indene Resins with Epoxy Groups | Sidun, Iurii; Solodkyy, Serhiy; Shved, Mariia; Astakhova, Olena; Shyshchak, Olena; Bratychak, Michael; Lviv Polytechnic National University | | Article | 28-Feb-2019 | Obtaining of Coumarone-Indene Resins based on Light Fraction of Coal Tar. 5. Emulsions on the Basis of Bitumen Modified by Coumarone-Indene Resins with Epoxy Groups | Sidun, Iurii; Solodkyy, Serhiy; Shved, Mariia; Astakhova, Olena; Shyshchak, Olena; Bratychak, Michael |
