{"id":"https://openalex.org/W2385178358","doi":null,"title":"Design of the expanding and shrinking face at combined mining face","display_name":"Design of the expanding and shrinking face at combined mining face","publication_year":2003,"publication_date":"2003-01-01","ids":{"openalex":"https://openalex.org/W2385178358","mag":"2385178358"},"language":"en","primary_location":{"id":"mag:2385178358","doi":null,"is_oa":false,"landing_page_url":"http://en.cnki.com.cn/Article_en/CJFDTOTAL-MTJS200309033.htm","pdf_url":null,"source":{"id":"https://openalex.org/S2764994900","display_name":"Coal Technology","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4361727477","host_organization_name":"Heilongjiang University of Science and Technology","host_organization_lineage":["https://openalex.org/P4361727477"],"host_organization_lineage_names":["Heilongjiang University of Science and Technology"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Coal Technology","raw_type":null},"volume":null,"type":"article","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5102796948","display_name":"Liu Peng-fei","orcid":"https://orcid.org/0000-0002-9553-873X","observed_orcids":["https://orcid.org/0000-0002-9553-873X"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Liu Peng-fei","raw_affiliation_strings":["Nanshan Coal Mine, Hegang Mining Industry Group, Hegang 154100, China)"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nanshan Coal Mine, Hegang Mining Industry Group, Hegang 154100, China)","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5102796948"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"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":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T13772","display_name":"Geomechanics and Mining Engineering","score":0.9320999979972839,"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"}},"topics":[{"id":"https://openalex.org/T13772","display_name":"Geomechanics and Mining Engineering","score":0.9320999979972839,"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/T14392","display_name":"Geoscience and Mining Technology","score":0.06539999693632126,"subfield":{"id":"https://openalex.org/subfields/2213","display_name":"Safety, Risk, Reliability and Quality"},"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/T13857","display_name":"Mining and Industrial Processes","score":0.0006000000284984708,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/resource-recovery-rate","display_name":"resource recovery rate","score":0.8569999933242798},{"id":"https://openalex.org/keywords/complex-geology","display_name":"complex geology","score":0.828000009059906},{"id":"https://openalex.org/keywords/coal-mining","display_name":"coal mining","score":0.5640000104904175}],"concepts":[{"id":"https://openalex.org/C2779304628","wikidata":"https://www.wikidata.org/wiki/Q3503480","display_name":"Face (sociological concept)","level":2,"score":0.8195242285728455},{"id":"https://openalex.org/C56281022","wikidata":"https://www.wikidata.org/wiki/Q11308039","display_name":"Resizing","level":3,"score":0.810021162033081},{"id":"https://openalex.org/C108615695","wikidata":"https://www.wikidata.org/wiki/Q12880211","display_name":"Coal mining","level":3,"score":0.6863665580749512},{"id":"https://openalex.org/C16674752","wikidata":"https://www.wikidata.org/wiki/Q1370637","display_name":"Mining engineering","level":1,"score":0.6621671915054321},{"id":"https://openalex.org/C61797465","wikidata":"https://www.wikidata.org/wiki/Q1188986","display_name":"Term (time)","level":2,"score":0.45667147636413574},{"id":"https://openalex.org/C518851703","wikidata":"https://www.wikidata.org/wiki/Q24489","display_name":"Coal","level":2,"score":0.42597830295562744},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.372227281332016},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.31531643867492676},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.21043303608894348},{"id":"https://openalex.org/C548081761","wikidata":"https://www.wikidata.org/wiki/Q180388","display_name":"Waste management","level":1,"score":0.07088324427604675},{"id":"https://openalex.org/C144024400","wikidata":"https://www.wikidata.org/wiki/Q21201","display_name":"Sociology","level":0,"score":0.06420400738716125},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.05513352155685425},{"id":"https://openalex.org/C36289849","wikidata":"https://www.wikidata.org/wiki/Q34749","display_name":"Social science","level":1,"score":0.0},{"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/C2910001868","wikidata":"https://www.wikidata.org/wiki/Q458","display_name":"European union","level":2,"score":0.0},{"id":"https://openalex.org/C105639569","wikidata":"https://www.wikidata.org/wiki/Q582577","display_name":"Economic policy","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"mag:2385178358","doi":null,"is_oa":false,"landing_page_url":"http://en.cnki.com.cn/Article_en/CJFDTOTAL-MTJS200309033.htm","pdf_url":null,"source":{"id":"https://openalex.org/S2764994900","display_name":"Coal Technology","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4361727477","host_organization_name":"Heilongjiang University of Science and Technology","host_organization_lineage":["https://openalex.org/P4361727477"],"host_organization_lineage_names":["Heilongjiang University of Science and Technology"],"type":"journal"},"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":"Coal Technology","raw_type":null}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2383654982","https://openalex.org/W2352282267","https://openalex.org/W2364804202","https://openalex.org/W2348121389","https://openalex.org/W2380860870","https://openalex.org/W2354325587","https://openalex.org/W2364417353","https://openalex.org/W3134833634","https://openalex.org/W3040936531","https://openalex.org/W2349010556"],"abstract_inverted_index":{"Throug":[0],"aenalyzing":[1],"on":[2],"the":[3,24,33],"design":[4],"of":[5,16],"tunnel":[6],"expanding":[7],"and":[8,28],"shrinking":[9],"face":[10,15],"at":[11],"two":[12],"combined":[13],"mining":[14,31],"Nanshan":[17],"Coal":[18],"Mine,":[19],"introduce":[20],"how":[21],"to":[22],"increase":[23],"resources":[25],"recovers":[26],"rate":[27],"across":[29],"area":[30],"under":[32],"complicated":[34],"geology":[35],"term.":[36]},"counts_by_year":[],"updated_date":"2025-10-10T17:16:08.811792","created_date":"2016-06-24T00:00:00"}