{"id":"https://openalex.org/W7224569253","doi":"https://doi.org/10.21821/23095180-2026-18-5-896-908","title":"Changes in the hydrocarbon composition of used marine motor oils","display_name":"Changes in the hydrocarbon composition of used marine motor oils","publication_year":2026,"publication_date":"2026-10-28","ids":{"openalex":"https://openalex.org/W7224569253","doi":"https://doi.org/10.21821/23095180-2026-18-5-896-908"},"language":"en","primary_location":{"id":"doi:10.21821/23095180-2026-18-5-896-908","doi":"https://doi.org/10.21821/23095180-2026-18-5-896-908","is_oa":true,"landing_page_url":"https://doi.org/10.21821/23095180-2026-18-5-896-908","pdf_url":"https://journal.gumrf.ru/jour/article/download/808/574","source":{"id":"https://openalex.org/S4210169249","display_name":"Vestnik Gosudarstvennogo universiteta morskogo i rechnogo flota imeni admirala S O Makarova","issn_l":"2309-5180","issn":["2309-5180","2500-0551"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["russia-white-list-2"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Vestnik Gosudarstvennogo universiteta morskogo i rechnogo flota imeni admirala S. O. Makarova","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"hybrid","oa_url":"https://journal.gumrf.ru/jour/article/download/808/574","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5088083319","display_name":"Nikolay Sinyavsky","orcid":"https://orcid.org/0000-0003-1285-206X","observed_orcids":["https://orcid.org/0000-0003-1285-206X"]},"institutions":[{"id":"https://openalex.org/I86496825","display_name":"Kaliningrad State Technical University","ror":"https://ror.org/023mnb461","country_code":"RU","type":"education","lineage":["https://openalex.org/I86496825"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"N. Ya. Sinyavsky","raw_affiliation_strings":["Kaliningrad State Technical University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kaliningrad State Technical University","institution_ids":["https://openalex.org/I86496825"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5160122318","display_name":"A. G. Bulychev","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I86496825","display_name":"Kaliningrad State Technical University","ror":"https://ror.org/023mnb461","country_code":"RU","type":"education","lineage":["https://openalex.org/I86496825"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"A. G. Bulychev","raw_affiliation_strings":["Kaliningrad State Technical University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kaliningrad State Technical University","institution_ids":["https://openalex.org/I86496825"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5067246848","display_name":"\u041d\u0430\u0442\u0430\u043b\u044c\u044f \u0410\u043d\u0430\u0442\u043e\u043b\u044c\u0435\u0432\u043d\u0430 \u041a\u043e\u0441\u0442\u0440\u0438\u043a\u043e\u0432\u0430","orcid":"https://orcid.org/0000-0002-2969-0346","observed_orcids":["https://orcid.org/0000-0002-2969-0346"]},"institutions":[{"id":"https://openalex.org/I86496825","display_name":"Kaliningrad State Technical University","ror":"https://ror.org/023mnb461","country_code":"RU","type":"education","lineage":["https://openalex.org/I86496825"]}],"countries":["RU"],"is_corresponding":false,"raw_author_name":"N. A. Kostrikova","raw_affiliation_strings":["Kaliningrad State Technical University"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kaliningrad State Technical University","institution_ids":["https://openalex.org/I86496825"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I86496825"],"apc_list":null,"apc_paid":null,"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.74101911,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"18","issue":"5","first_page":"896","last_page":"908"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11557","display_name":"Lubricants and Their Additives","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11557","display_name":"Lubricants and Their Additives","score":0.9984999895095825,"subfield":{"id":"https://openalex.org/subfields/2210","display_name":"Mechanical 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","score":0.0012000000569969416,"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/T11630","display_name":"Petroleum Processing and Analysis","score":0.00019999999494757503,"subfield":{"id":"https://openalex.org/subfields/1602","display_name":"Analytical Chemistry"},"field":{"id":"https://openalex.org/fields/16","display_name":"Chemistry"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/lubricant-degradation","display_name":"lubricant degradation","score":0.7950000166893005},{"id":"https://openalex.org/keywords/hydrocarbon-composition","display_name":"hydrocarbon composition","score":0.9610000252723694},{"id":"https://openalex.org/keywords/oxidation-products","display_name":"oxidation products","score":0.8519999980926514},{"id":"https://openalex.org/keywords/nitration-products","display_name":"nitration products","score":0.7480000257492065},{"id":"https://openalex.org/keywords/oxygenated-compounds","display_name":"oxygenated compounds","score":0.7310000061988831},{"id":"https://openalex.org/keywords/nitrogen-compounds","display_name":"nitrogen compounds","score":0.9879999756813049},{"id":"https://openalex.org/keywords/polycyclic-aromatic-hydrocarbons","display_name":"polycyclic aromatic hydrocarbons","score":0.9330000281333923},{"id":"https://openalex.org/keywords/organohalogen-compounds","display_name":"organohalogen compounds","score":0.9929999709129333},{"id":"https://openalex.org/keywords/oil-recycling","display_name":"oil recycling","score":0.6729999780654907},{"id":"https://openalex.org/keywords/oil-additives","display_name":"oil additives","score":0.5239999890327454},{"id":"https://openalex.org/keywords/oil-aging","display_name":"oil aging","score":0.4519999921321869},{"id":"https://openalex.org/keywords/marine-engines","display_name":"marine engines","score":0.414000004529953}],"concepts":[{"id":"https://openalex.org/C2780874159","wikidata":"https://www.wikidata.org/wiki/Q323840","display_name":"Lubricant","level":2,"score":0.7139999866485596},{"id":"https://openalex.org/C149849071","wikidata":"https://www.wikidata.org/wiki/Q1263816","display_name":"Chemical composition","level":2,"score":0.6388000249862671},{"id":"https://openalex.org/C2777207669","wikidata":"https://www.wikidata.org/wiki/Q43648","display_name":"Hydrocarbon","level":2,"score":0.6266999840736389},{"id":"https://openalex.org/C107872376","wikidata":"https://www.wikidata.org/wiki/Q321355","display_name":"Environmental chemistry","level":1,"score":0.5891000032424927},{"id":"https://openalex.org/C2781130449","wikidata":"https://www.wikidata.org/wiki/Q193784","display_name":"Motor oil","level":2,"score":0.5622000098228455},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.5557000041007996},{"id":"https://openalex.org/C36759035","wikidata":"https://www.wikidata.org/wiki/Q176848","display_name":"Pyrolysis","level":2,"score":0.5435000061988831},{"id":"https://openalex.org/C2779679103","wikidata":"https://www.wikidata.org/wiki/Q5251805","display_name":"Degradation (telecommunications)","level":2,"score":0.4885999858379364},{"id":"https://openalex.org/C2779936157","wikidata":"https://www.wikidata.org/wiki/Q19903441","display_name":"Base oil","level":3,"score":0.48649999499320984},{"id":"https://openalex.org/C40231798","wikidata":"https://www.wikidata.org/wiki/Q1333743","display_name":"Composition (language)","level":2,"score":0.47839999198913574},{"id":"https://openalex.org/C2777720266","wikidata":"https://www.wikidata.org/wiki/Q19834818","display_name":"Aromatic hydrocarbon","level":3,"score":0.4498000144958496},{"id":"https://openalex.org/C548895740","wikidata":"https://www.wikidata.org/wiki/Q22656","display_name":"Petroleum","level":2,"score":0.40630000829696655},{"id":"https://openalex.org/C82576440","wikidata":"https://www.wikidata.org/wiki/Q214199","display_name":"Fuel oil","level":2,"score":0.35420000553131104},{"id":"https://openalex.org/C169403781","wikidata":"https://www.wikidata.org/wiki/Q1059843","display_name":"Petroleum product","level":3,"score":0.3384999930858612},{"id":"https://openalex.org/C42360764","wikidata":"https://www.wikidata.org/wiki/Q83588","display_name":"Chemical engineering","level":1,"score":0.3375999927520752},{"id":"https://openalex.org/C2780759640","wikidata":"https://www.wikidata.org/wiki/Q36534","display_name":"Chemical transformation","level":2,"score":0.3183000087738037},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.3167000114917755},{"id":"https://openalex.org/C205345274","wikidata":"https://www.wikidata.org/wiki/Q873009","display_name":"Gas chromatography\u2013mass spectrometry","level":3,"score":0.31369999051094055},{"id":"https://openalex.org/C42058472","wikidata":"https://www.wikidata.org/wiki/Q810214","display_name":"Base (topology)","level":2,"score":0.311599999666214},{"id":"https://openalex.org/C528095902","wikidata":"https://www.wikidata.org/wiki/Q2283886","display_name":"Pulp and paper industry","level":1,"score":0.30399999022483826},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.2996000051498413},{"id":"https://openalex.org/C123460561","wikidata":"https://www.wikidata.org/wiki/Q677065","display_name":"Gas chromatography","level":2,"score":0.29260000586509705},{"id":"https://openalex.org/C44013972","wikidata":"https://www.wikidata.org/wiki/Q3614969","display_name":"Oil analysis","level":2,"score":0.27889999747276306},{"id":"https://openalex.org/C2775997480","wikidata":"https://www.wikidata.org/wiki/Q586277","display_name":"Degree (music)","level":2,"score":0.2628999948501587}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.21821/23095180-2026-18-5-896-908","doi":"https://doi.org/10.21821/23095180-2026-18-5-896-908","is_oa":true,"landing_page_url":"https://doi.org/10.21821/23095180-2026-18-5-896-908","pdf_url":"https://journal.gumrf.ru/jour/article/download/808/574","source":{"id":"https://openalex.org/S4210169249","display_name":"Vestnik Gosudarstvennogo universiteta morskogo i rechnogo flota imeni admirala S O Makarova","issn_l":"2309-5180","issn":["2309-5180","2500-0551"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["russia-white-list-2"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Vestnik Gosudarstvennogo universiteta morskogo i rechnogo flota imeni admirala S. O. Makarova","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.21821/23095180-2026-18-5-896-908","doi":"https://doi.org/10.21821/23095180-2026-18-5-896-908","is_oa":true,"landing_page_url":"https://doi.org/10.21821/23095180-2026-18-5-896-908","pdf_url":"https://journal.gumrf.ru/jour/article/download/808/574","source":{"id":"https://openalex.org/S4210169249","display_name":"Vestnik Gosudarstvennogo universiteta morskogo i rechnogo flota imeni admirala S O Makarova","issn_l":"2309-5180","issn":["2309-5180","2500-0551"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":["russia-white-list-2"],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"journal"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Vestnik Gosudarstvennogo universiteta morskogo i rechnogo flota imeni admirala S. O. Makarova","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7224569253.pdf","grobid_xml":"https://content.openalex.org/works/W7224569253.grobid-xml"},"referenced_works_count":8,"referenced_works":["https://openalex.org/W2063531000","https://openalex.org/W2977918658","https://openalex.org/W4389495414","https://openalex.org/W4406015536","https://openalex.org/W4411356484","https://openalex.org/W6925445126","https://openalex.org/W6945283402","https://openalex.org/W7168350740"],"related_works":["https://openalex.org/W118764053","https://openalex.org/W2327460768","https://openalex.org/W4408375379","https://openalex.org/W4293056437","https://openalex.org/W2064251167","https://openalex.org/W4250614978","https://openalex.org/W2896503239","https://openalex.org/W2063531000","https://openalex.org/W2092895432","https://openalex.org/W2647410550"],"abstract_inverted_index":{"This":[0],"study":[1,48,217],"focuses":[2],"on":[3],"the":[4,33,39,47,54,81,90,107,123,130,150,177,186,214,231],"analysis":[5,79],"of":[6,35,41,46,57,67,80,84,92,109,125,129,149,157,179,233],"used":[7,65,87,105,113,136],"marine":[8,58,137],"engine":[9,59,138],"oils":[10,74,88],"by":[11],"gas":[12],"chromatography\u2013mass":[13],"spectrometry":[14],"(GC-MS),":[15],"which":[16],"makes":[17],"it":[18],"possible":[19],"to":[20,50],"identify":[21],"chemical":[22,55,82,147],"degradation,":[23],"oxidation":[24,162],"products,":[25,165],"fuel":[26],"contaminants,":[27],"and":[28,30,38,64,71,86,118,122,153,163,176,200,211,229],"additives":[29],"thereby":[31],"assess":[32],"degree":[34,232],"oil":[36,60,139,152,190],"degradation":[37,235],"effectiveness":[40],"its":[42,193],"recycling.":[43],"The":[44,155,216],"objective":[45],"was":[49],"investigate":[51],"changes":[52,115,184],"in":[53,95,101,104,112,116,213,236],"composition":[56,83],"during":[61],"service.":[62],"Fresh":[63],"samples":[66],"Shell":[68],"Rimula":[69],"15W-40":[70],"TPEO":[72],"12/40":[73],"were":[75],"analyzed.":[76],"A":[77],"comparative":[78],"fresh":[85,96],"revealed":[89],"predominance":[91],"initial":[93],"hydrocarbons":[94,181],"oil,":[97,106,114],"a":[98,141],"sharp":[99],"increase":[100],"oxygen-containing":[102],"compounds":[103,111],"appearance":[108,124],"nitrogen-containing":[110,159],"aromatic":[117,120,169],"polycyclic":[119],"hydrocarbons,":[121],"organohalogen":[126],"compounds.":[127],"Analysis":[128],"GC-MS":[131,220],"data":[132],"clearly":[133],"demonstrates":[134],"that":[135,219],"is":[140,221],"complex":[142],"mixture":[143],"resulting":[144],"from":[145],"deep":[146],"transformation":[148],"base":[151,198],"additives.":[154],"content":[156],"oxygenand":[158],"compounds,":[160],"including":[161,196],"nitration":[164],"increases":[166],"sharply;":[167],"condensed":[168],"structures":[170],"formed":[171],"as":[172],"pyrolysis":[173],"products":[174,207],"appear;":[175],"proportion":[178],"light":[180],"decreases.":[182],"These":[183],"indicate":[185],"need":[187],"for":[188,225],"timely":[189],"replacement,":[191],"since":[192],"functional":[194],"properties,":[195],"viscosity,":[197],"number,":[199],"detergency,":[201],"deteriorate":[202],"significantly,":[203],"while":[204],"accumulated":[205],"aging":[206],"may":[208],"cause":[209],"corrosion":[210],"deposits":[212],"engine.":[215],"concludes":[218],"an":[222],"effective":[223],"method":[224],"monitoring":[226],"lubricant":[227,234],"characteristics":[228],"determining":[230],"engines":[237],".":[238]},"counts_by_year":[],"updated_date":"2026-11-04T10:54:05.112534","created_date":"2026-10-30T00:00:00"}