Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W2800670400', 'doi': 'https://doi.org/10.3390/en11051162', 'title': 'Experimental Study of the Pore Structure and Permeability of Coal by Acidizing', 'display_name': 'Experimental Study of the Pore Structure and Permeability of Coal by Acidizing', 'publication_year': 2018, 'publication_date': '2018-05-06', 'ids': {'openalex': 'https://openalex.org/W2800670400', 'doi': 'https://doi.org/10.3390/en11051162', 'mag': '2800670400'}, 'language': 'en', 'primary_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.3390/en11051162', 'pdf_url': 'https://www.mdpi.com/1996-1073/11/5/1162/pdf?version=1525603415', 'source': {'id': 'https://openalex.org/S198098182', 'display_name': 'Energies', 'issn_l': '1996-1073', 'issn': ['1996-1073'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310310987', 'host_organization_name': 'Multidisciplinary Digital Publishing Institute', 'host_organization_lineage': ['https://openalex.org/P4310310987'], 'host_organization_lineage_names': ['Multidisciplinary Digital Publishing Institute'], 'type': 'journal'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'doaj'], 'open_access': {'is_oa': True, 'oa_status': 'gold', 'oa_url': 'https://www.mdpi.com/1996-1073/11/5/1162/pdf?version=1525603415', 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5017088710', 'display_name': 'Bo Zhao', 'orcid': 'https://orcid.org/0000-0001-6632-6175'}, 'institutions': [{'id': 'https://openalex.org/I4210151703', 'display_name': 'China Coal Technology and Engineering Group Corp (China)', 'ror': 'https://ror.org/045d9gj14', 'country_code': 'CN', 'type': 'company', 'lineage': ['https://openalex.org/I4210151703']}, {'id': 'https://openalex.org/I4210125642', 'display_name': 'State Key Laboratory of Gas Disaster Detecting, Preventing and Emergency Controlling', 'ror': 'https://ror.org/02tygyj04', 'country_code': 'CN', 'type': 'facility', 'lineage': ['https://openalex.org/I4210125642']}, {'id': 'https://openalex.org/I158842170', 'display_name': 'Chongqing University', 'ror': 'https://ror.org/023rhb549', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I158842170']}], 'countries': ['CN'], 'is_corresponding': True, 'raw_author_name': 'Bo Zhao', 'raw_affiliation_strings': ['College of Resources and Environment Science, Chongqing University, Chongqing 400030, China', 'Gas Research Branch, China Coal Technology and Engineering Group Chongqing Research Institute, Chongqing 400037, China', 'State Key Laboratory of The Gas Disaster Detecting, Preventing and Emergency Controlling, Chongqing 400037, China'], 'affiliations': [{'raw_affiliation_string': 'Gas Research Branch, China Coal Technology and Engineering Group Chongqing Research Institute, Chongqing 400037, China', 'institution_ids': ['https://openalex.org/I4210151703']}, {'raw_affiliation_string': 'State Key Laboratory of The Gas Disaster Detecting, Preventing and Emergency Controlling, Chongqing 400037, China', 'institution_ids': ['https://openalex.org/I4210125642']}, {'raw_affiliation_string': 'College of Resources and Environment Science, Chongqing University, Chongqing 400030, China', 'institution_ids': ['https://openalex.org/I158842170']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5101622234', 'display_name': 'Guangcai Wen', 'orcid': 'https://orcid.org/0000-0001-9141-0504'}, 'institutions': [{'id': 'https://openalex.org/I158842170', 'display_name': 'Chongqing University', 'ror': 'https://ror.org/023rhb549', 'country_code': 'CN', 'type': 'education', 'lineage': ['https://openalex.org/I158842170']}, {'id': 'https://openalex.org/I4210151703', 'display_name': 'China Coal Technology and Engineering Group Corp (China)', 'ror': 'https://ror.org/045d9gj14', 'country_code': 'CN', 'type': 'company', 'lineage': ['https://openalex.org/I4210151703']}, {'id': 'https://openalex.org/I4210125642', 'display_name': 'State Key Laboratory of Gas Disaster Detecting, Preventing and Emergency Controlling', 'ror': 'https://ror.org/02tygyj04', 'country_code': 'CN', 'type': 'facility', 'lineage': ['https://openalex.org/I4210125642']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Guangcai Wen', 'raw_affiliation_strings': ['College of Resources and Environment Science, Chongqing University, Chongqing 400030, China', 'Gas Research Branch, China Coal Technology and Engineering Group Chongqing Research Institute, Chongqing 400037, China', 'State Key Laboratory of The Gas Disaster Detecting, Preventing and Emergency Controlling, Chongqing 400037, China'], 'affiliations': [{'raw_affiliation_string': 'College of Resources and Environment Science, Chongqing University, Chongqing 400030, China', 'institution_ids': ['https://openalex.org/I158842170']}, {'raw_affiliation_string': 'Gas Research Branch, China Coal Technology and Engineering Group Chongqing Research Institute, Chongqing 400037, China', 'institution_ids': ['https://openalex.org/I4210151703']}, {'raw_affiliation_string': 'State Key Laboratory of The Gas Disaster Detecting, Preventing and Emergency Controlling, Chongqing 400037, China', 'institution_ids': ['https://openalex.org/I4210125642']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5103281342', 'display_name': 'Haitao Sun', 'orcid': 'https://orcid.org/0000-0002-5157-0148'}, 'institutions': [{'id': 'https://openalex.org/I4210151703', 'display_name': 'China Coal Technology and Engineering Group Corp (China)', 'ror': 'https://ror.org/045d9gj14', 'country_code': 'CN', 'type': 'company', 'lineage': ['https://openalex.org/I4210151703']}, {'id': 'https://openalex.org/I4210125642', 'display_name': 'State Key Laboratory of Gas Disaster Detecting, Preventing and Emergency Controlling', 'ror': 'https://ror.org/02tygyj04', 'country_code': 'CN', 'type': 'facility', 'lineage': ['https://openalex.org/I4210125642']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Haitao Sun', 'raw_affiliation_strings': ['Gas Research Branch, China Coal Technology and Engineering Group Chongqing Research Institute, Chongqing 400037, China', 'State Key Laboratory of The Gas Disaster Detecting, Preventing and Emergency Controlling, Chongqing 400037, China'], 'affiliations': [{'raw_affiliation_string': 'Gas Research Branch, China Coal Technology and Engineering Group Chongqing Research Institute, Chongqing 400037, China', 'institution_ids': ['https://openalex.org/I4210151703']}, {'raw_affiliation_string': 'State Key Laboratory of The Gas Disaster Detecting, Preventing and Emergency Controlling, Chongqing 400037, China', 'institution_ids': ['https://openalex.org/I4210125642']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5000745677', 'display_name': 'Xusheng Zhao', 'orcid': 'https://orcid.org/0000-0002-8181-6575'}, 'institutions': [{'id': 'https://openalex.org/I4210151703', 'display_name': 'China Coal Technology and Engineering Group Corp (China)', 'ror': 'https://ror.org/045d9gj14', 'country_code': 'CN', 'type': 'company', 'lineage': ['https://openalex.org/I4210151703']}, {'id': 'https://openalex.org/I4210125642', 'display_name': 'State Key Laboratory of Gas Disaster Detecting, Preventing and Emergency Controlling', 'ror': 'https://ror.org/02tygyj04', 'country_code': 'CN', 'type': 'facility', 'lineage': ['https://openalex.org/I4210125642']}], 'countries': ['CN'], 'is_corresponding': False, 'raw_author_name': 'Xusheng Zhao', 'raw_affiliation_strings': ['Gas Research Branch, China Coal Technology and Engineering Group Chongqing Research Institute, Chongqing 400037, China', 'State Key Laboratory of The Gas Disaster Detecting, Preventing and Emergency Controlling, Chongqing 400037, China'], 'affiliations': [{'raw_affiliation_string': 'Gas Research Branch, China Coal Technology and Engineering Group Chongqing Research Institute, Chongqing 400037, China', 'institution_ids': ['https://openalex.org/I4210151703']}, {'raw_affiliation_string': 'State Key Laboratory of The Gas Disaster Detecting, Preventing and Emergency Controlling, Chongqing 400037, China', 'institution_ids': ['https://openalex.org/I4210125642']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 3, 'corresponding_author_ids': ['https://openalex.org/A5017088710'], 'corresponding_institution_ids': ['https://openalex.org/I4210151703', 'https://openalex.org/I4210125642', 'https://openalex.org/I158842170'], 'apc_list': {'value': 2200, 'currency': 'CHF', 'value_usd': 2382, 'provenance': 'doaj'}, 'apc_paid': {'value': 2200, 'currency': 'CHF', 'value_usd': 2382, 'provenance': 'doaj'}, 'fwci': 2.443, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 30, 'citation_normalized_percentile': {'value': 0.920812, 'is_in_top_1_percent': False, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 93, 'max': 94}, 'biblio': {'volume': '11', 'issue': '5', 'first_page': '1162', 'last_page': '1162'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T11284', 'display_name': 'Coal Properties and Utilization', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/2212', 'display_name': 'Ocean 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/T11284', 'display_name': 'Coal Properties and Utilization', 'score': 1.0, 'subfield': {'id': 'https://openalex.org/subfields/2212', 'display_name': 'Ocean 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/T10399', 'display_name': 'Hydrocarbon exploration and reservoir analysis', 'score': 0.9976, '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/T12603', 'display_name': 'NMR spectroscopy and applications', 'score': 0.9973, 'subfield': {'id': 'https://openalex.org/subfields/3106', 'display_name': 'Nuclear and High Energy Physics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [], 'concepts': [{'id': 'https://openalex.org/C518851703', 'wikidata': 'https://www.wikidata.org/wiki/Q24489', 'display_name': 'Coal', 'level': 2, 'score': 0.72387403}, {'id': 'https://openalex.org/C120882062', 'wikidata': 'https://www.wikidata.org/wiki/Q28352', 'display_name': 'Permeability (electromagnetism)', 'level': 3, 'score': 0.642694}, {'id': 'https://openalex.org/C78762247', 'wikidata': 'https://www.wikidata.org/wiki/Q1273174', 'display_name': 'Petroleum engineering', 'level': 1, 'score': 0.6235553}, {'id': 'https://openalex.org/C127313418', 'wikidata': 'https://www.wikidata.org/wiki/Q1069', 'display_name': 'Geology', 'level': 0, 'score': 0.4170083}, {'id': 'https://openalex.org/C187320778', 'wikidata': 'https://www.wikidata.org/wiki/Q1349130', 'display_name': 'Geotechnical engineering', 'level': 1, 'score': 0.39822796}, {'id': 'https://openalex.org/C39432304', 'wikidata': 'https://www.wikidata.org/wiki/Q188847', 'display_name': 'Environmental science', 'level': 0, 'score': 0.38514203}, {'id': 'https://openalex.org/C548081761', 'wikidata': 'https://www.wikidata.org/wiki/Q180388', 'display_name': 'Waste management', 'level': 1, 'score': 0.30784672}, {'id': 'https://openalex.org/C127413603', 'wikidata': 'https://www.wikidata.org/wiki/Q11023', 'display_name': 'Engineering', 'level': 0, 'score': 0.26366585}, {'id': 'https://openalex.org/C185592680', 'wikidata': 'https://www.wikidata.org/wiki/Q2329', 'display_name': 'Chemistry', 'level': 0, 'score': 0.24159315}, {'id': 'https://openalex.org/C41625074', 'wikidata': 'https://www.wikidata.org/wiki/Q176088', 'display_name': 'Membrane', 'level': 2, 'score': 0.055175394}, {'id': 'https://openalex.org/C55493867', 'wikidata': 'https://www.wikidata.org/wiki/Q7094', 'display_name': 'Biochemistry', 'level': 1, 'score': 0.0}], 'mesh': [], 'locations_count': 2, 'locations': [{'is_oa': True, 'landing_page_url': 'https://doi.org/10.3390/en11051162', 'pdf_url': 'https://www.mdpi.com/1996-1073/11/5/1162/pdf?version=1525603415', 'source': {'id': 'https://openalex.org/S198098182', 'display_name': 'Energies', 'issn_l': '1996-1073', 'issn': ['1996-1073'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310310987', 'host_organization_name': 'Multidisciplinary Digital Publishing Institute', 'host_organization_lineage': ['https://openalex.org/P4310310987'], 'host_organization_lineage_names': ['Multidisciplinary Digital Publishing Institute'], 'type': 'journal'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, {'is_oa': False, 'landing_page_url': 'https://doaj.org/article/e94d28c1966a4d268b0f255d480d2292', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4306401280', 'display_name': 'DOAJ (DOAJ: Directory of Open Access Journals)', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': None, 'host_organization_name': None, 'host_organization_lineage': [], 'host_organization_lineage_names': [], 'type': 'repository'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': {'is_oa': True, 'landing_page_url': 'https://doi.org/10.3390/en11051162', 'pdf_url': 'https://www.mdpi.com/1996-1073/11/5/1162/pdf?version=1525603415', 'source': {'id': 'https://openalex.org/S198098182', 'display_name': 'Energies', 'issn_l': '1996-1073', 'issn': ['1996-1073'], 'is_oa': True, 'is_in_doaj': True, 'is_core': True, 'host_organization': 'https://openalex.org/P4310310987', 'host_organization_name': 'Multidisciplinary Digital Publishing Institute', 'host_organization_lineage': ['https://openalex.org/P4310310987'], 'host_organization_lineage_names': ['Multidisciplinary Digital Publishing Institute'], 'type': 'journal'}, 'license': 'cc-by', 'license_id': 'https://openalex.org/licenses/cc-by', 'version': 'publishedVersion', 'is_accepted': True, 'is_published': True}, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 27, 'referenced_works': ['https://openalex.org/W1966429906', 'https://openalex.org/W1983840914', 'https://openalex.org/W1991316176', 'https://openalex.org/W1994597434', 'https://openalex.org/W1998461061', 'https://openalex.org/W2001799849', 'https://openalex.org/W2006550713', 'https://openalex.org/W2014280435', 'https://openalex.org/W2017281744', 'https://openalex.org/W2025696190', 'https://openalex.org/W2041539449', 'https://openalex.org/W2041780885', 'https://openalex.org/W2046688618', 'https://openalex.org/W2049457092', 'https://openalex.org/W2058649009', 'https://openalex.org/W2059256737', 'https://openalex.org/W2082957880', 'https://openalex.org/W2111830460', 'https://openalex.org/W2131736362', 'https://openalex.org/W2137039942', 'https://openalex.org/W2334285534', 'https://openalex.org/W2528542245', 'https://openalex.org/W2546718913', 'https://openalex.org/W2593937781', 'https://openalex.org/W2619566832', 'https://openalex.org/W769434448', 'https://openalex.org/W843007777'], 'related_works': ['https://openalex.org/W4244099597', 'https://openalex.org/W4214808470', 'https://openalex.org/W3191763517', 'https://openalex.org/W2992637089', 'https://openalex.org/W2536695084', 'https://openalex.org/W2392974679', 'https://openalex.org/W2392589638', 'https://openalex.org/W2386113422', 'https://openalex.org/W2363693341', 'https://openalex.org/W2360786630'], 'abstract_inverted_index': {'The': [0, 158], 'permeability': [1, 22, 39, 170], 'of': [2, 14, 41, 46, 65, 76, 114, 120, 124, 135, 140, 144, 150, 154], 'coal': [3, 15, 42], 'reservoirs': [4, 16, 26], 'prominently': [5], 'determines': [6], 'methane': [7], 'flow': [8], 'in': [9, 25], 'reservoirs.': [10], 'A': [11], 'large': [12], 'amount': [13], 'containing': [17], 'methane,': [18], 'however,': [19], 'have': [20], 'low': [21], 'because': [23], 'pores': [24], 'are': [27], 'sealed.': [28], 'To': [29], 'solve': [30], 'this': [31], 'issue,': [32], 'we': [33, 88], 'investigated': [34], 'the': [35, 47, 66, 70, 73, 91, 96, 103, 115, 121, 128, 133, 138, 145, 155], 'pore': [36], 'structure': [37], 'and': [38, 49, 52, 58, 72, 83, 152, 164, 171], 'law': [40], 'through': [43], 'contrastive': [44], 'analysis': [45, 64, 119], 'microstructure': [48], 'macrostructure': [50], 'before': [51], 'after': [53], 'acidizing,': [54, 77], 'using': [55], 'ASAP': [56], '2020': [57], 'triaxial': [59], 'servo-controlled': [60], 'seepage': [61], 'equipment.': [62], 'An': [63, 118], 'experimental': [67], 'data': [68], 'revealed': [69], 'mechanism': [71], 'key': [74], 'parameters': [75], 'such': [78], 'as': [79], 'acid': [80, 104], 'mass': [81, 93, 148], 'fraction': [82, 94, 149], 'acidizing': [84], 'time.': [85], 'In': [86], 'addition,': [87], 'hold': [89], 'that': [90, 127], 'optimal': [92], 'for': [95, 167], 'test': [97], 'specimens': [98], 'is': [99, 106], 'about': [100], '12~15%.': [101], 'Furthermore,': [102], 'reaction': [105, 116, 122, 156], 'divided': [107], 'into': [108], 'three': [109], 'stages': [110], 'according': [111], 'to': [112], 'characteristics': [113], 'progress.': [117], 'kinetics': [123], '“HCl-HF”': [125], 'states': [126], 'significant': [129], 'factors': [130], 'will': [131], 'impact': [132], 'process': [134], 'reaction,': [136, 147], 'like': [137], 'composition': [139], 'coal,': [141], 'surface': [142], 'area': [143], 'acid-coal': [146], 'acids,': [151], 'environment': [153], 'system.': [157], 'results': [159], 'provide': [160], 'a': [161], 'new': [162], 'idea': [163], 'research': [165], 'method': [166], 'further': [168], 'enhancing': [169], 'gas': [172], 'extraction.': [173]}, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W2800670400', 'counts_by_year': [{'year': 2024, 'cited_by_count': 7}, {'year': 2023, 'cited_by_count': 6}, {'year': 2022, 'cited_by_count': 6}, {'year': 2021, 'cited_by_count': 3}, {'year': 2020, 'cited_by_count': 5}, {'year': 2019, 'cited_by_count': 2}, {'year': 2018, 'cited_by_count': 1}], 'updated_date': '2025-01-15T20:52:20.405599', 'created_date': '2018-05-17'}