Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2048991557', 'doi': 'https://doi.org/10.1016/j.biombioe.2009.01.007', 'title': 'Effects of volatile fatty acid concentrations on methane yield and methanogenic bacteria', 'display_name': 'Effects of volatile fatty acid concentrations on methane yield and methanogenic bacteria', 'publication_year': 2009, 'publication_date': '2009-02-24', 'ids': {'openalex': 'https://openalex.org/W2048991557', 'doi': 'https://doi.org/10.1016/j.biombioe.2009.01.007', 'mag': '2048991557'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.biombioe.2009.01.007', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S171918450', 'display_name': 'Biomass and Bioenergy', 'issn_l': '0961-9534', 'issn': ['0961-9534', '1873-2909'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref'], '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/A5100660185', 'display_name': 'Yuanyuan Wang', 'orcid': 'https://orcid.org/0000-0002-6286-4694'}, 'institutions': [{'id': 'https://openalex.org/I204823248', 'display_name': 'Huazhong Agricultural University', 'ror': 'https://ror.org/023b72294', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I204823248']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Yuanyuan Wang', 'raw_affiliation_strings': ['Engineering Technology Academy, Huazhong Agriculture University, Wuhan 430070, China'], 'affiliations': [{'raw_affiliation_string': 'Engineering Technology Academy, Huazhong Agriculture University, Wuhan 430070, China', 'institution_ids': ['https://openalex.org/I204823248']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5100424682', 'display_name': 'Yanlin Zhang', 'orcid': 'https://orcid.org/0000-0002-6198-7246'}, 'institutions': [{'id': 'https://openalex.org/I204823248', 'display_name': 'Huazhong Agricultural University', 'ror': 'https://ror.org/023b72294', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I204823248']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Yanlin Zhang', 'raw_affiliation_strings': ['Engineering Technology Academy, Huazhong Agriculture University, Wuhan 430070, China'], 'affiliations': [{'raw_affiliation_string': 'Engineering Technology Academy, Huazhong Agriculture University, Wuhan 430070, China', 'institution_ids': ['https://openalex.org/I204823248']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5100338000', 'display_name': 'Jianbo Wang', 'orcid': 'https://orcid.org/0000-0002-3315-3105'}, 'institutions': [{'id': 'https://openalex.org/I204823248', 'display_name': 'Huazhong Agricultural University', 'ror': 'https://ror.org/023b72294', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I204823248']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Jianbo Wang', 'raw_affiliation_strings': ['Engineering Technology Academy, Huazhong Agriculture University, Wuhan 430070, China'], 'affiliations': [{'raw_affiliation_string': 'Engineering Technology Academy, Huazhong Agriculture University, Wuhan 430070, China', 'institution_ids': ['https://openalex.org/I204823248']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5101788351', 'display_name': 'Liang Meng', 'orcid': 'https://orcid.org/0000-0003-4129-7691'}, 'institutions': [{'id': 'https://openalex.org/I204823248', 'display_name': 'Huazhong Agricultural University', 'ror': 'https://ror.org/023b72294', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I204823248']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Liang Meng', 'raw_affiliation_strings': ['Engineering Technology Academy, Huazhong Agriculture University, Wuhan 430070, China'], 'affiliations': [{'raw_affiliation_string': 'Engineering Technology Academy, Huazhong Agriculture University, Wuhan 430070, China', 'institution_ids': ['https://openalex.org/I204823248']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 1, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3740, 'currency': 'USD', 'value_usd': 3740, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 29.268, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 611, 'citation_normalized_percentile': {'value': 0.999903, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 99, 'max': 100}, 'biblio': {'volume': '33', 'issue': '5', 'first_page': '848', 'last_page': '853'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10284', 'display_name': 'Anaerobic Digestion and Biogas Production', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/2215', 'display_name': 'Building and Construction'}, '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/T10284', 'display_name': 'Anaerobic Digestion and Biogas Production', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/2215', 'display_name': 'Building and Construction'}, '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/T10171', 'display_name': 'Biofuel production and bioconversion', 'score': 0.9969, 'subfield': {'id': 'https://openalex.org/subfields/2204', 'display_name': 'Biomedical 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/T10932', 'display_name': 'Microbial Metabolic Engineering and Bioproduction', 'score': 0.9957, 'subfield': {'id': 'https://openalex.org/subfields/1312', 'display_name': 'Molecular Biology'}, 'field': {'id': 'https://openalex.org/fields/13', 'display_name': 'Biochemistry, Genetics and Molecular Biology'}, 'domain': {'id': 'https://openalex.org/domains/1', 'display_name': 'Life Sciences'}}], 'keywords': [], 'concepts': [{'id': 'https://openalex.org/C2779843069', 'wikidata': 'https://www.wikidata.org/wiki/Q193213', 'display_name': 'Butyric acid', 'level': 2, 'score': 0.89584416}, {'id': 'https://openalex.org/C2776673659', 'wikidata': 'https://www.wikidata.org/wiki/Q47512', 'display_name': 'Acetic acid', 'level': 2, 'score': 0.8368929}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.7601647}, {'id': 'https://openalex.org/C100544194', 'wikidata': 'https://www.wikidata.org/wiki/Q41760', 'display_name': 'Fermentation', 'level': 2, 'score': 0.74973714}, {'id': 'https://openalex.org/C523546767', 'wikidata': 'https://www.wikidata.org/wiki/Q10876', 'display_name': 'Bacteria', 'level': 2, 'score': 0.72425056}, {'id': 'https://openalex.org/C31903555', 'wikidata': 'https://www.wikidata.org/wiki/Q1637030', 'display_name': 'Food science', 'level': 1, 'score': 0.6851187}, {'id': 'https://openalex.org/C2780161600', 'wikidata': 'https://www.wikidata.org/wiki/Q153', 'display_name': 'Ethanol', 'level': 2, 'score': 0.6536405}, {'id': 'https://openalex.org/C516920438', 'wikidata': 'https://www.wikidata.org/wiki/Q37129', 'display_name': 'Methane', 'level': 2, 'score': 0.56317526}, {'id': 'https://openalex.org/C543025807', 'wikidata': 'https://www.wikidata.org/wiki/Q61476', 'display_name': 'Fatty acid', 'level': 2, 'score': 0.48888674}, {'id': 'https://openalex.org/C499616599', 'wikidata': 'https://www.wikidata.org/wiki/Q555853', 'display_name': 'Anaerobic digestion', 'level': 3, 'score': 0.45459795}, {'id': 'https://openalex.org/C134121241', 'wikidata': 'https://www.wikidata.org/wiki/Q899301', 'display_name': 'Yield (engineering)', 'level': 2, 'score': 0.44859046}, {'id': 'https://openalex.org/C55493867', 'wikidata': 'https://www.wikidata.org/wiki/Q7094', 'display_name': 'Biochemistry', 'level': 1, 'score': 0.36198235}, {'id': 'https://openalex.org/C178790620', 'wikidata': 'https://www.wikidata.org/wiki/Q11351', 'display_name': 'Organic chemistry', 'level': 1, 'score': 0.1822671}, {'id': 'https://openalex.org/C86803240', 'wikidata': 'https://www.wikidata.org/wiki/Q420', 'display_name': 'Biology', 'level': 0, 'score': 0.13597602}, {'id': 'https://openalex.org/C54355233', 'wikidata': 'https://www.wikidata.org/wiki/Q7162', 'display_name': 'Genetics', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C192562407', 'wikidata': 'https://www.wikidata.org/wiki/Q228736', 'display_name': 'Materials science', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C191897082', 'wikidata': 'https://www.wikidata.org/wiki/Q11467', 'display_name': 'Metallurgy', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.biombioe.2009.01.007', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S171918450', 'display_name': 'Biomass and Bioenergy', 'issn_l': '0961-9534', 'issn': ['0961-9534', '1873-2909'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, '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/6', 'score': 0.69, 'display_name': 'Clean water and sanitation'}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 11, 'referenced_works': ['https://openalex.org/W1667306523', 'https://openalex.org/W1971845046', 'https://openalex.org/W1976460812', 'https://openalex.org/W2029292868', 'https://openalex.org/W2032013202', 'https://openalex.org/W2038050688', 'https://openalex.org/W2040769188', 'https://openalex.org/W2094838249', 'https://openalex.org/W2263358103', 'https://openalex.org/W2398403754', 'https://openalex.org/W4232681437'], 'related_works': ['https://openalex.org/W4235283524', 'https://openalex.org/W2383951316', 'https://openalex.org/W2377848478', 'https://openalex.org/W2349930677', 'https://openalex.org/W2092631271', 'https://openalex.org/W2089074515', 'https://openalex.org/W2055913543', 'https://openalex.org/W2050485578', 'https://openalex.org/W2004049682', 'https://openalex.org/W1588003094'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2048991557', 'counts_by_year': [{'year': 2024, 'cited_by_count': 42}, {'year': 2023, 'cited_by_count': 39}, {'year': 2022, 'cited_by_count': 54}, {'year': 2021, 'cited_by_count': 61}, {'year': 2020, 'cited_by_count': 43}, {'year': 2019, 'cited_by_count': 79}, {'year': 2018, 'cited_by_count': 57}, {'year': 2017, 'cited_by_count': 49}, {'year': 2016, 'cited_by_count': 41}, {'year': 2015, 'cited_by_count': 38}, {'year': 2014, 'cited_by_count': 37}, {'year': 2013, 'cited_by_count': 23}, {'year': 2012, 'cited_by_count': 19}], 'updated_date': '2025-01-04T01:26:49.356175', 'created_date': '2016-06-24'}