Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2991019385', 'doi': None, 'title': 'Recent development of large liquid-propellant rocket engines', 'display_name': 'Recent development of large liquid-propellant rocket engines', 'publication_year': 1992, 'publication_date': '1992-06-01', 'ids': {'openalex': 'https://openalex.org/W2991019385', 'mag': '2991019385'}, 'language': 'fr', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://ui.adsabs.harvard.edu/abs/1992AeCh..170...40S/abstract', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': [], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5078564787', 'display_name': 'Sun Guoqing', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'Guoqing Sun', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5078564787'], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, 'cited_by_count': 0, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 0, 'max': 53}, 'biblio': {'volume': '170', 'issue': None, 'first_page': '40', 'last_page': '43'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12513', 'display_name': 'Rocket and propulsion systems research', 'score': 0.9998, 'subfield': {'id': 'https://openalex.org/subfields/2202', 'display_name': 'Aerospace 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/T12513', 'display_name': 'Rocket and propulsion systems research', 'score': 0.9998, 'subfield': {'id': 'https://openalex.org/subfields/2202', 'display_name': 'Aerospace 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/T10806', 'display_name': 'Energetic Materials and Combustion', 'score': 0.9812, 'subfield': {'id': 'https://openalex.org/subfields/2211', 'display_name': 'Mechanics of Materials'}, '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/T13200', 'display_name': 'Spacecraft and Cryogenic Technologies', 'score': 0.9745, 'subfield': {'id': 'https://openalex.org/subfields/2202', 'display_name': 'Aerospace Engineering'}, 'field': {'id': 'https://openalex.org/fields/22', 'display_name': 'Engineering'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/liquid-propellant-rocket', 'display_name': 'Liquid-propellant rocket', 'score': 0.7633351}, {'id': 'https://openalex.org/keywords/rocket-propellant', 'display_name': 'Rocket propellant', 'score': 0.6020568}, {'id': 'https://openalex.org/keywords/rocket', 'display_name': 'Rocket (weapon)', 'score': 0.5436371}, {'id': 'https://openalex.org/keywords/liquid-oxygen', 'display_name': 'Liquid oxygen', 'score': 0.41765556}], 'concepts': [{'id': 'https://openalex.org/C56677355', 'wikidata': 'https://www.wikidata.org/wiki/Q860308', 'display_name': 'Liquid-propellant rocket', 'level': 3, 'score': 0.7633351}, {'id': 'https://openalex.org/C76737569', 'wikidata': 'https://www.wikidata.org/wiki/Q1364934', 'display_name': 'Propellant', 'level': 2, 'score': 0.71631783}, {'id': 'https://openalex.org/C34436041', 'wikidata': 'https://www.wikidata.org/wiki/Q287464', 'display_name': 'Rocket propellant', 'level': 3, 'score': 0.6020568}, {'id': 'https://openalex.org/C187878255', 'wikidata': 'https://www.wikidata.org/wiki/Q2037215', 'display_name': 'Rocket (weapon)', 'level': 2, 'score': 0.5436371}, {'id': 'https://openalex.org/C178802073', 'wikidata': 'https://www.wikidata.org/wiki/Q8421', 'display_name': 'Aeronautics', 'level': 1, 'score': 0.5406463}, {'id': 'https://openalex.org/C146978453', 'wikidata': 'https://www.wikidata.org/wiki/Q3798668', 'display_name': 'Aerospace engineering', 'level': 1, 'score': 0.49839807}, {'id': 'https://openalex.org/C205965903', 'wikidata': 'https://www.wikidata.org/wiki/Q618153', 'display_name': 'Liquid oxygen', 'level': 3, 'score': 0.41765556}, {'id': 'https://openalex.org/C39432304', 'wikidata': 'https://www.wikidata.org/wiki/Q188847', 'display_name': 'Environmental science', 'level': 0, 'score': 0.37311977}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.3449294}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.15082222}, {'id': 'https://openalex.org/C62520636', 'wikidata': 'https://www.wikidata.org/wiki/Q944', 'display_name': 'Quantum mechanics', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C540031477', 'wikidata': 'https://www.wikidata.org/wiki/Q629', 'display_name': 'Oxygen', 'level': 2, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://ui.adsabs.harvard.edu/abs/1992AeCh..170...40S/abstract', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/7', 'display_name': 'Affordable and clean energy', 'score': 0.73}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W854687822', 'https://openalex.org/W834675529', 'https://openalex.org/W798746974', 'https://openalex.org/W3173457177', 'https://openalex.org/W3163893605', 'https://openalex.org/W3139433387', 'https://openalex.org/W3136042805', 'https://openalex.org/W3134302933', 'https://openalex.org/W3108232603', 'https://openalex.org/W3045158910', 'https://openalex.org/W3024404259', 'https://openalex.org/W3020044524', 'https://openalex.org/W3016274188', 'https://openalex.org/W3003669524', 'https://openalex.org/W2998353998', 'https://openalex.org/W2998251442', 'https://openalex.org/W2167793163', 'https://openalex.org/W2090937578', 'https://openalex.org/W1975357047', 'https://openalex.org/W1491521954'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2991019385', 'counts_by_year': [], 'updated_date': '2024-12-12T08:03:09.989194', 'created_date': '2019-12-05'}