{"id":"https://openalex.org/A5026413202","orcid":"https://orcid.org/0000-0002-2951-2312","observed_orcids":["https://orcid.org/0000-0002-2951-2312"],"display_name":"\u041e\u043b\u0435\u043a\u0441\u0430\u043d\u0434\u0440 \u041e\u043b\u0435\u043a\u0441\u0430\u043d\u0434\u0440\u043e\u0432\u0438\u0447 \u041b\u0435\u0432\u043a\u0456\u0432\u0441\u044c\u043a\u0438\u0439","raw_author_names":["Levkivskyi O","O Levkivskyi","Oleksandr Levkivskyi","\u041e\u043b\u0435\u043a\u0441\u0430\u043d\u0434\u0440 \u041e\u043b\u0435\u043a\u0441\u0430\u043d\u0434\u0440\u043e\u0432\u0438\u0447 \u041b\u0435\u0432\u043a\u0456\u0432\u0441\u044c\u043a\u0438\u0439"],"full_name":"\u041e\u043b\u0435\u043a\u0441\u0430\u043d\u0434\u0440 \u041e\u043b\u0435\u043a\u0441\u0430\u043d\u0434\u0440\u043e\u0432\u0438\u0447 \u041b\u0435\u0432\u043a\u0456\u0432\u0441\u044c\u043a\u0438\u0439","works_count":8,"cited_by_count":1,"summary_stats":{"2yr_mean_citedness":0.3333333333333333,"h_index":1,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5026413202","orcid":"https://orcid.org/0000-0002-2951-2312","observed_orcids":["https://orcid.org/0000-0002-2951-2312"]},"affiliations":[{"institution":{"id":"https://openalex.org/I4210103849","ror":"https://ror.org/01akgs808","display_name":"National Transport University","country_code":"UA","type":"education","lineage":["https://openalex.org/I4210103849"]},"years":[2020,2012,2010]},{"institution":{"id":"https://openalex.org/I4210149696","ror":"https://ror.org/04r5xzk86","display_name":"Zhytomyr Polytechnic State University","country_code":"UA","type":"education","lineage":["https://openalex.org/I4210149696"]},"years":[2026]}],"last_known_institutions":[{"id":"https://openalex.org/I4210149696","ror":"https://ror.org/04r5xzk86","display_name":"Zhytomyr Polytechnic State University","country_code":"UA","type":"education","lineage":["https://openalex.org/I4210149696"]}],"topics":[{"id":"https://openalex.org/T13990","display_name":"Engine and Fuel Emissions","count":6,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10507","display_name":"Biodiesel Production and Applications","count":5,"subfield":{"id":"https://openalex.org/subfields/2103","display_name":"Fuel Technology"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10117","display_name":"Advanced Combustion Engine Technologies","count":4,"subfield":{"id":"https://openalex.org/subfields/1507","display_name":"Fluid Flow and Transfer Processes"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13858","display_name":"Technical Engine Diagnostics and Monitoring","count":2,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10220","display_name":"Machine Fault Diagnosis Techniques","count":1,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10507","display_name":"Biodiesel Production and Applications","value":3.34e-05,"subfield":{"id":"https://openalex.org/subfields/2103","display_name":"Fuel Technology"},"field":{"id":"https://openalex.org/fields/21","display_name":"Energy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13990","display_name":"Engine and Fuel Emissions","value":2.63e-05,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13858","display_name":"Technical Engine Diagnostics and Monitoring","value":1.98e-05,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13293","display_name":"Engineering and Test Systems","value":1.04e-05,"subfield":{"id":"https://openalex.org/subfields/2207","display_name":"Control and Systems Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10117","display_name":"Advanced Combustion Engine Technologies","value":9.2e-06,"subfield":{"id":"https://openalex.org/subfields/1507","display_name":"Fluid Flow and Transfer Processes"},"field":{"id":"https://openalex.org/fields/15","display_name":"Chemical Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"138171918","wikidata":"https://www.wikidata.org/wiki/Q38423","display_name":"Diesel fuel","score":0.8656051754951477},{"id":"171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","score":0.5982999801635742},{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.51333087682724},{"id":"2780804531","wikidata":"https://www.wikidata.org/wiki/Q174174","display_name":"Diesel engine","score":0.4886370301246643},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.4293999969959259}],"counts_by_year":[{"year":2010,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2016,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2020,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2023,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2024,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2026,"works_count":2,"oa_works_count":2,"cited_by_count":1}],"display_name_alternatives":["Levkivskyi O","O Levkivskyi","Oleksandr Levkivskyi","\u041e\u043b\u0435\u043a\u0441\u0430\u043d\u0434\u0440 \u041e\u043b\u0435\u043a\u0441\u0430\u043d\u0434\u0440\u043e\u0432\u0438\u0447 \u041b\u0435\u0432\u043a\u0456\u0432\u0441\u044c\u043a\u0438\u0439"],"block_key":"o levkivskyi","works_api_url":"https://api.openalex.org/works?filter=author.id:A5026413202","awards_count":0,"updated_date":"2026-11-06T12:48:51","created_date":"2016-06-24T00:00:00"}