{"id":"https://openalex.org/W7224015191","doi":"https://doi.org/10.3390/app162110613","title":"Surface Mechanical Properties of Acid-Etched Siliceous Limestone Fractures Under Deep, High-Temperature Conditions","display_name":"Surface Mechanical Properties of Acid-Etched Siliceous Limestone Fractures Under Deep, High-Temperature Conditions","publication_year":2026,"publication_date":"2026-10-27","ids":{"openalex":"https://openalex.org/W7224015191","doi":"https://doi.org/10.3390/app162110613"},"language":"en","primary_location":{"id":"doi:10.3390/app162110613","doi":"https://doi.org/10.3390/app162110613","is_oa":true,"landing_page_url":"https://doi.org/10.3390/app162110613","pdf_url":null,"source":{"id":"https://openalex.org/S4210205812","display_name":"Applied Sciences","issn_l":"2076-3417","issn":["2076-3417"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","doaj","norway-1","oarl","poland-100","russia-white-list-2","vabb-shw"],"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,"raw_source_name":"Applied Sciences","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://doi.org/10.3390/app162110613","any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5159938719","display_name":"Ze Li","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4387156274","display_name":"PetroChina Southwest Oil and Gas Field Company (China)","ror":"https://ror.org/02j69wt57","country_code":"CN","type":"company","lineage":["https://openalex.org/I4387156274","https://openalex.org/I98227222"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ze Li","raw_affiliation_strings":["Exploration Division, PetroChina Southwest Oil and Gas Field Company, Chengdu 621000, China","Oil and Gas Technology Research Institute, PetroChina Southwest Oil and Gas Field Company, Chengdu 610017, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Exploration Division, PetroChina Southwest Oil and Gas Field Company, Chengdu 621000, China","institution_ids":["https://openalex.org/I4387156274"]},{"raw_affiliation_string":"Oil and Gas Technology Research Institute, PetroChina Southwest Oil and Gas Field Company, Chengdu 610017, China","institution_ids":["https://openalex.org/I4387156274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5159758040","display_name":"Jian Yang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4387156274","display_name":"PetroChina Southwest Oil and Gas Field Company (China)","ror":"https://ror.org/02j69wt57","country_code":"CN","type":"company","lineage":["https://openalex.org/I4387156274","https://openalex.org/I98227222"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Jian Yang","raw_affiliation_strings":["Exploration Division, PetroChina Southwest Oil and Gas Field Company, Chengdu 621000, China","Oil and Gas Technology Research Institute, PetroChina Southwest Oil and Gas Field Company, Chengdu 610017, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Exploration Division, PetroChina Southwest Oil and Gas Field Company, Chengdu 621000, China","institution_ids":["https://openalex.org/I4387156274"]},{"raw_affiliation_string":"Oil and Gas Technology Research Institute, PetroChina Southwest Oil and Gas Field Company, Chengdu 610017, China","institution_ids":["https://openalex.org/I4387156274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5148444365","display_name":"Huan Peng","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I3124059619","display_name":"China University of Geosciences","ror":"https://ror.org/04gcegc37","country_code":"CN","type":"education","lineage":["https://openalex.org/I3124059619"]},{"id":"https://openalex.org/I4387156274","display_name":"PetroChina Southwest Oil and Gas Field Company (China)","ror":"https://ror.org/02j69wt57","country_code":"CN","type":"company","lineage":["https://openalex.org/I4387156274","https://openalex.org/I98227222"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Huan Peng","raw_affiliation_strings":["Exploration Division, PetroChina Southwest Oil and Gas Field Company, Chengdu 621000, China","Faculty of Elite Engineers, China University of Geosciences, Wuhan 430074, China","Oil and Gas Technology Research Institute, PetroChina Southwest Oil and Gas Field Company, Chengdu 610017, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Exploration Division, PetroChina Southwest Oil and Gas Field Company, Chengdu 621000, China","institution_ids":["https://openalex.org/I4387156274"]},{"raw_affiliation_string":"Faculty of Elite Engineers, China University of Geosciences, Wuhan 430074, China","institution_ids":["https://openalex.org/I3124059619"]},{"raw_affiliation_string":"Oil and Gas Technology Research Institute, PetroChina Southwest Oil and Gas Field Company, Chengdu 610017, China","institution_ids":["https://openalex.org/I4387156274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5159923325","display_name":"Yuntao Liu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4387156274","display_name":"PetroChina Southwest Oil and Gas Field Company (China)","ror":"https://ror.org/02j69wt57","country_code":"CN","type":"company","lineage":["https://openalex.org/I4387156274","https://openalex.org/I98227222"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yuntao Liu","raw_affiliation_strings":["Exploration Division, PetroChina Southwest Oil and Gas Field Company, Chengdu 621000, China","Oil and Gas Technology Research Institute, PetroChina Southwest Oil and Gas Field Company, Chengdu 610017, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Exploration Division, PetroChina Southwest Oil and Gas Field Company, Chengdu 621000, China","institution_ids":["https://openalex.org/I4387156274"]},{"raw_affiliation_string":"Oil and Gas Technology Research Institute, PetroChina Southwest Oil and Gas Field Company, Chengdu 610017, China","institution_ids":["https://openalex.org/I4387156274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5159979407","display_name":"Xu Liu","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4387156274","display_name":"PetroChina Southwest Oil and Gas Field Company (China)","ror":"https://ror.org/02j69wt57","country_code":"CN","type":"company","lineage":["https://openalex.org/I4387156274","https://openalex.org/I98227222"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Xu Liu","raw_affiliation_strings":["Exploration Division, PetroChina Southwest Oil and Gas Field Company, Chengdu 621000, China","Oil and Gas Technology Research Institute, PetroChina Southwest Oil and Gas Field Company, Chengdu 610017, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Exploration Division, PetroChina Southwest Oil and Gas Field Company, Chengdu 621000, China","institution_ids":["https://openalex.org/I4387156274"]},{"raw_affiliation_string":"Oil and Gas Technology Research Institute, PetroChina Southwest Oil and Gas Field Company, Chengdu 610017, China","institution_ids":["https://openalex.org/I4387156274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5159839730","display_name":"Ruoyu Yang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4387156274","display_name":"PetroChina Southwest Oil and Gas Field Company (China)","ror":"https://ror.org/02j69wt57","country_code":"CN","type":"company","lineage":["https://openalex.org/I4387156274","https://openalex.org/I98227222"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Ruoyu Yang","raw_affiliation_strings":["Exploration Division, PetroChina Southwest Oil and Gas Field Company, Chengdu 621000, China","Oil and Gas Technology Research Institute, PetroChina Southwest Oil and Gas Field Company, Chengdu 610017, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Exploration Division, PetroChina Southwest Oil and Gas Field Company, Chengdu 621000, China","institution_ids":["https://openalex.org/I4387156274"]},{"raw_affiliation_string":"Oil and Gas Technology Research Institute, PetroChina Southwest Oil and Gas Field Company, Chengdu 610017, China","institution_ids":["https://openalex.org/I4387156274"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5136695009","display_name":"Yucheng Jia","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4387156274","display_name":"PetroChina Southwest Oil and Gas Field Company (China)","ror":"https://ror.org/02j69wt57","country_code":"CN","type":"company","lineage":["https://openalex.org/I4387156274","https://openalex.org/I98227222"]}],"countries":["CN"],"is_corresponding":false,"raw_author_name":"Yucheng Jia","raw_affiliation_strings":["Oil and Gas Technology Research Institute, PetroChina Southwest Oil and Gas Field Company, Chengdu 610017, China"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Oil and Gas Technology Research Institute, PetroChina Southwest Oil and Gas Field Company, Chengdu 610017, China","institution_ids":["https://openalex.org/I4387156274"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5102942772","display_name":"Yajun Cao","orcid":"https://orcid.org/0000-0002-6004-1416","observed_orcids":["https://orcid.org/0000-0002-6004-1416"]},"institutions":[{"id":"https://openalex.org/I163340411","display_name":"Hohai University","ror":"https://ror.org/01wd4xt90","country_code":"CN","type":"education","lineage":["https://openalex.org/I163340411"]}],"countries":["CN"],"is_corresponding":true,"raw_author_name":"Yajun Cao","raw_affiliation_strings":["Institute of Geotechnical Engineering, Hohai University, Nanjing 210098, China","Key Laboratory of Geomechanics and Embankment Engineering of the Ministry of Education, Hohai University, Nanjing 210098, China"],"raw_orcid":"https://orcid.org/0000-0002-6004-1416","affiliations":[{"raw_affiliation_string":"Institute of Geotechnical Engineering, Hohai University, Nanjing 210098, China","institution_ids":["https://openalex.org/I163340411"]},{"raw_affiliation_string":"Key Laboratory of Geomechanics and Embankment Engineering of the Ministry of Education, Hohai University, Nanjing 210098, China","institution_ids":["https://openalex.org/I163340411"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5102942772"],"corresponding_institution_ids":["https://openalex.org/I163340411"],"apc_list":{"value":2400,"currency":"CHF","value_usd":2896},"apc_paid":{"value":2400,"currency":"CHF","value_usd":2896},"fwci":0.0,"has_fulltext":false,"cited_by_count":0,"citation_normalized_percentile":{"value":0.75609896,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"16","issue":"21","first_page":"10613","last_page":"10613"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10161","display_name":"Rock Mechanics and Modeling","score":0.7759000062942505,"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/T10161","display_name":"Rock Mechanics and Modeling","score":0.7759000062942505,"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/T10635","display_name":"Hydraulic Fracturing and Reservoir Analysis","score":0.18799999356269836,"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/T11302","display_name":"CO2 Sequestration and Geologic Interactions","score":0.014999999664723873,"subfield":{"id":"https://openalex.org/subfields/2305","display_name":"Environmental Engineering"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/acid-etching","display_name":"acid etching","score":0.9629999995231628},{"id":"https://openalex.org/keywords/siliceous-limestone","display_name":"siliceous limestone","score":0.9589999914169312},{"id":"https://openalex.org/keywords/surface-roughness","display_name":"surface roughness","score":0.7910000085830688},{"id":"https://openalex.org/keywords/fractal-dimension","display_name":"fractal dimension","score":0.9990000128746033},{"id":"https://openalex.org/keywords/tortuosity","display_name":"tortuosity","score":0.8659999966621399},{"id":"https://openalex.org/keywords/elastic-modulus","display_name":"elastic modulus","score":0.8880000114440918},{"id":"https://openalex.org/keywords/fracture-toughness","display_name":"fracture toughness","score":0.8230000138282776},{"id":"https://openalex.org/keywords/gelled-acid","display_name":"gelled acid","score":0.7799999713897705},{"id":"https://openalex.org/keywords/laser-scanning","display_name":"laser scanning","score":0.5329999923706055},{"id":"https://openalex.org/keywords/nanoindentation","display_name":"nanoindentation","score":0.9940000176429749}],"concepts":[{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.7732999920845032},{"id":"https://openalex.org/C185250623","wikidata":"https://www.wikidata.org/wiki/Q2301683","display_name":"Tortuosity","level":3,"score":0.6513000130653381},{"id":"https://openalex.org/C26546657","wikidata":"https://www.wikidata.org/wiki/Q1412452","display_name":"Fractal dimension","level":3,"score":0.640500009059906},{"id":"https://openalex.org/C49326732","wikidata":"https://www.wikidata.org/wiki/Q1549892","display_name":"Nanoindentation","level":2,"score":0.6255000233650208},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.6111999750137329},{"id":"https://openalex.org/C43369102","wikidata":"https://www.wikidata.org/wiki/Q2307625","display_name":"Fracture (geology)","level":2,"score":0.5771999955177307},{"id":"https://openalex.org/C107365816","wikidata":"https://www.wikidata.org/wiki/Q114817","display_name":"Surface roughness","level":2,"score":0.5601000189781189},{"id":"https://openalex.org/C2780841128","wikidata":"https://www.wikidata.org/wiki/Q5073781","display_name":"Characterization (materials science)","level":2,"score":0.5534999966621399},{"id":"https://openalex.org/C71039073","wikidata":"https://www.wikidata.org/wiki/Q3439090","display_name":"Surface finish","level":2,"score":0.5245000123977661},{"id":"https://openalex.org/C2776799497","wikidata":"https://www.wikidata.org/wiki/Q484298","display_name":"Surface (topology)","level":2,"score":0.4481000006198883},{"id":"https://openalex.org/C2780191791","wikidata":"https://www.wikidata.org/wiki/Q171917","display_name":"Calcite","level":2,"score":0.3878999948501587},{"id":"https://openalex.org/C499950583","wikidata":"https://www.wikidata.org/wiki/Q183252","display_name":"Morphology (biology)","level":2,"score":0.365200012922287},{"id":"https://openalex.org/C2780659211","wikidata":"https://www.wikidata.org/wiki/Q181699","display_name":"Carbonate","level":2,"score":0.35269999504089355},{"id":"https://openalex.org/C2991825924","wikidata":"https://www.wikidata.org/wiki/Q106746214","display_name":"Acid etching","level":2,"score":0.31850001215934753},{"id":"https://openalex.org/C40636538","wikidata":"https://www.wikidata.org/wiki/Q81392","display_name":"Fractal","level":2,"score":0.3077999949455261},{"id":"https://openalex.org/C59085676","wikidata":"https://www.wikidata.org/wiki/Q957852","display_name":"Fracture mechanics","level":2,"score":0.28700000047683716},{"id":"https://openalex.org/C207057113","wikidata":"https://www.wikidata.org/wiki/Q201666","display_name":"Cavitation","level":2,"score":0.2759000062942505},{"id":"https://openalex.org/C18555067","wikidata":"https://www.wikidata.org/wiki/Q8375051","display_name":"Joint (building)","level":2,"score":0.2745000123977661},{"id":"https://openalex.org/C134121241","wikidata":"https://www.wikidata.org/wiki/Q899301","display_name":"Yield (engineering)","level":2,"score":0.26660001277923584},{"id":"https://openalex.org/C100460472","wikidata":"https://www.wikidata.org/wiki/Q2368605","display_name":"Etching (microfabrication)","level":3,"score":0.26269999146461487},{"id":"https://openalex.org/C199289684","wikidata":"https://www.wikidata.org/wiki/Q83353","display_name":"Mineralogy","level":1,"score":0.2596000134944916},{"id":"https://openalex.org/C88412794","wikidata":"https://www.wikidata.org/wiki/Q902045","display_name":"Confocal laser scanning microscopy","level":2,"score":0.25060001015663147}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.3390/app162110613","doi":"https://doi.org/10.3390/app162110613","is_oa":true,"landing_page_url":"https://doi.org/10.3390/app162110613","pdf_url":null,"source":{"id":"https://openalex.org/S4210205812","display_name":"Applied Sciences","issn_l":"2076-3417","issn":["2076-3417"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","doaj","norway-1","oarl","poland-100","russia-white-list-2","vabb-shw"],"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,"raw_source_name":"Applied Sciences","raw_type":"journal-article"}],"best_oa_location":{"id":"doi:10.3390/app162110613","doi":"https://doi.org/10.3390/app162110613","is_oa":true,"landing_page_url":"https://doi.org/10.3390/app162110613","pdf_url":null,"source":{"id":"https://openalex.org/S4210205812","display_name":"Applied Sciences","issn_l":"2076-3417","issn":["2076-3417"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","doaj","norway-1","oarl","poland-100","russia-white-list-2","vabb-shw"],"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,"raw_source_name":"Applied Sciences","raw_type":"journal-article"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":16,"referenced_works":["https://openalex.org/W1965619183","https://openalex.org/W2013377700","https://openalex.org/W2086933933","https://openalex.org/W2753947659","https://openalex.org/W2793229923","https://openalex.org/W2892809331","https://openalex.org/W2950884568","https://openalex.org/W2981691739","https://openalex.org/W2983105958","https://openalex.org/W3089345274","https://openalex.org/W3170096248","https://openalex.org/W4313681146","https://openalex.org/W4319746355","https://openalex.org/W4383901273","https://openalex.org/W4395466697","https://openalex.org/W4404450066"],"related_works":["https://openalex.org/W6941601031","https://openalex.org/W3170096248","https://openalex.org/W4411412323","https://openalex.org/W4410855930","https://openalex.org/W2892809331","https://openalex.org/W4385605533","https://openalex.org/W2922294383","https://openalex.org/W7127567901","https://openalex.org/W3155964763","https://openalex.org/W7046947478"],"abstract_inverted_index":{"Acid":[0],"etching":[1,87],"alters":[2],"both":[3],"the":[4,7,106,128,135,139],"geometry":[5],"and":[6,40,52,65,74,78,152,159],"near-surface":[8],"mechanical":[9,23,104,141],"properties":[10],"of":[11,121,155],"carbonate":[12],"fracture":[13,76,157],"surfaces,":[14],"yet":[15],"surface":[16,109,166],"morphology":[17],"alone":[18],"may":[19],"not":[20],"reliably":[21],"indicate":[22],"weakening.":[24],"This":[25],"study":[26],"investigated":[27],"siliceous":[28],"limestone":[29],"through":[30],"rock-slab":[31],"acid-etching":[32,163],"tests":[33],"at":[34,114],"140":[35],"\u00b0C,":[36],"three-dimensional":[37],"laser":[38],"scanning,":[39],"nanoindentation":[41],"within":[42],"calcite":[43],"grains,":[44],"comparing":[45],"gelled":[46,112],"acid,":[47],"a":[48,79,119],"premixed":[49],"self-generating-acid/gelled-acid":[50],"system,":[51],"integrated":[53],"variable-viscosity":[54],"(IVV)":[55],"acid":[56,113],"under":[57],"different":[58],"injection":[59],"conditions.":[60],"Surface":[61],"roughness,":[62],"fractal":[63,132],"dimension,":[64],"directional":[66],"tortuosity":[67],"were":[68],"evaluated":[69],"alongside":[70],"elastic":[71],"modulus,":[72],"hardness,":[73],"indentation-derived":[75],"toughness,":[77],"comprehensive":[80],"damage":[81],"index":[82],"was":[83],"introduced":[84],"to":[85],"couple":[86],"depth":[88],"with":[89,101,111,138,145],"mechanical-property":[90],"loss.":[91],"The":[92],"results":[93],"show":[94],"that":[95],"low":[96],"macroscopic":[97],"roughness":[98,167],"can":[99],"coexist":[100],"substantial":[102],"local":[103],"weakening:":[105],"comparatively":[107],"smooth":[108],"obtained":[110],"20":[115],"mL/min":[116],"still":[117],"exhibited":[118],"reduction":[120],"nearly":[122],"90%":[123],"in":[124],"calcite-grain":[125],"hardness.":[126,146],"Among":[127],"morphological":[129,151],"parameters":[130],"examined,":[131],"dimension":[133],"showed":[134],"strongest":[136],"association":[137],"measured":[140],"parameters,":[142],"most":[143],"notably":[144],"These":[147],"findings":[148],"support":[149],"joint":[150],"micromechanical":[153],"characterization":[154],"acid-etched":[156],"surfaces":[158],"caution":[160],"against":[161],"assessing":[162],"quality":[164],"from":[165],"alone.":[168]},"counts_by_year":[],"updated_date":"2026-10-29T09:56:32.521200","created_date":"2026-10-28T00:00:00"}