{"id":"https://openalex.org/W4296808643","doi":"https://doi.org/10.3390/ijerph191811517","title":"Efficacy of HEPA Air Cleaner on Improving Indoor Particulate Matter 2.5 Concentration","display_name":"Efficacy of HEPA Air Cleaner on Improving Indoor Particulate Matter 2.5 Concentration","publication_year":2022,"publication_date":"2022-09-13","ids":{"openalex":"https://openalex.org/W4296808643","doi":"https://doi.org/10.3390/ijerph191811517","pmid":"https://pubmed.ncbi.nlm.nih.gov/36141811","pmcid":"https://www.ncbi.nlm.nih.gov/pmc/articles/9516965"},"language":"en","primary_location":{"id":"doi:10.3390/ijerph191811517","doi":"https://doi.org/10.3390/ijerph191811517","is_oa":true,"landing_page_url":"https://doi.org/10.3390/ijerph191811517","pdf_url":"https://www.mdpi.com/1660-4601/19/18/11517/pdf?version=1663148053","source":{"id":"https://openalex.org/S15239247","display_name":"International Journal of Environmental Research and Public Health","issn_l":"1660-4601","issn":["1660-4601","1661-7827"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","erih-plus","medline","norway-1","poland-20","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":"International Journal of Environmental Research and Public Health","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj","pubmed"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://www.mdpi.com/1660-4601/19/18/11517/pdf?version=1663148053","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5078110469","display_name":"Chiu-Fan Chen","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210152230","display_name":"Kaohsiung Veterans General Hospital","ror":"https://ror.org/04jedda80","country_code":"TW","type":"healthcare","lineage":["https://openalex.org/I4210152230"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chiu-Fan Chen","raw_affiliation_strings":["Division of Chest Medicine, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Chest Medicine, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan","institution_ids":["https://openalex.org/I4210152230"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5103919875","display_name":"Chun-Hsiang Hsu","orcid":"https://orcid.org/0009-0007-1571-737X","observed_orcids":["https://orcid.org/0009-0007-1571-737X"]},"institutions":[{"id":"https://openalex.org/I4210152230","display_name":"Kaohsiung Veterans General Hospital","ror":"https://ror.org/04jedda80","country_code":"TW","type":"healthcare","lineage":["https://openalex.org/I4210152230"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chun-Hsiang Hsu","raw_affiliation_strings":["Division of Chest Medicine, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Division of Chest Medicine, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan","institution_ids":["https://openalex.org/I4210152230"]}]},{"author_position":"middle","author":{"id":null,"display_name":"Yu-Jung Chang","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210121532","display_name":"Ministry of Health and Welfare","ror":"https://ror.org/024w0ge69","country_code":"TW","type":"government","lineage":["https://openalex.org/I4210121532","https://openalex.org/I4405257903"]},{"id":"https://openalex.org/I4405271356","display_name":"National Health Insurance Administration","ror":"https://ror.org/02a9a3p91","country_code":"TW","type":"government","lineage":["https://openalex.org/I4405271356"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Yu-Jung Chang","raw_affiliation_strings":["Kaohsiung and Pingtung Branch, National Health Insurance Administration, Ministry of Health and Welfare, Kaohsiung 801, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Kaohsiung and Pingtung Branch, National Health Insurance Administration, Ministry of Health and Welfare, Kaohsiung 801, Taiwan","institution_ids":["https://openalex.org/I4210121532","https://openalex.org/I4405271356"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5045653471","display_name":"Chao-Hsien Lee","orcid":"https://orcid.org/0000-0001-9316-5098","observed_orcids":["https://orcid.org/0000-0001-9316-5098"]},"institutions":[{"id":"https://openalex.org/I64723972","display_name":"Meiho University","ror":"https://ror.org/04cjpzj07","country_code":"TW","type":"education","lineage":["https://openalex.org/I64723972"]}],"countries":["TW"],"is_corresponding":false,"raw_author_name":"Chao-Hsien Lee","raw_affiliation_strings":["Department of Nursing, Meiho University, Pingtung 912, Taiwan"],"raw_orcid":"https://orcid.org/0000-0001-9316-5098","affiliations":[{"raw_affiliation_string":"Department of Nursing, Meiho University, Pingtung 912, Taiwan","institution_ids":["https://openalex.org/I64723972"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5035154939","display_name":"David Lin Lee","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I4210152230","display_name":"Kaohsiung Veterans General Hospital","ror":"https://ror.org/04jedda80","country_code":"TW","type":"healthcare","lineage":["https://openalex.org/I4210152230"]},{"id":"https://openalex.org/I4387156312","display_name":"National Yang Ming University","ror":"https://ror.org/009h5ks85","country_code":"TW","type":"education","lineage":["https://openalex.org/I148366613","https://openalex.org/I4387156312"]}],"countries":["TW"],"is_corresponding":true,"raw_author_name":"David Lin Lee","raw_affiliation_strings":["Department of Medicine, National Yang-Ming University, Taipei 112, Taiwan","Division of Chest Medicine, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Medicine, National Yang-Ming University, Taipei 112, Taiwan","institution_ids":["https://openalex.org/I4387156312"]},{"raw_affiliation_string":"Division of Chest Medicine, Kaohsiung Veterans General Hospital, Kaohsiung 813, Taiwan","institution_ids":["https://openalex.org/I4210152230"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5035154939"],"corresponding_institution_ids":["https://openalex.org/I4210152230","https://openalex.org/I4387156312"],"apc_list":{"value":2500,"currency":"CHF","value_usd":2618},"apc_paid":{"value":2500,"currency":"CHF","value_usd":2618},"fwci":1.5156,"has_fulltext":true,"cited_by_count":35,"citation_normalized_percentile":{"value":0.7821941,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":96,"max":100},"biblio":{"volume":"19","issue":"18","first_page":"11517","last_page":"11517"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11002","display_name":"Indoor Air Quality and Microbial Exposure","score":0.9970999956130981,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11002","display_name":"Indoor Air Quality and Microbial Exposure","score":0.9970999956130981,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12163","display_name":"Aerosol Filtration and Electrostatic Precipitation","score":0.0019000000320374966,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic 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/T10190","display_name":"Air Quality and Health Impacts","score":0.0005000000237487257,"subfield":{"id":"https://openalex.org/subfields/2307","display_name":"Health, Toxicology and Mutagenesis"},"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/hepa-air-cleaners","display_name":"HEPA air cleaners","score":0.984000027179718},{"id":"https://openalex.org/keywords/pm2-5","display_name":"PM2.5","score":0.9020000100135803},{"id":"https://openalex.org/keywords/indoor-particulate-matter","display_name":"indoor particulate matter","score":0.9340000152587891},{"id":"https://openalex.org/keywords/indoor-air-quality","display_name":"indoor air quality","score":0.9599999785423279},{"id":"https://openalex.org/keywords/household-air-pollution","display_name":"household air pollution","score":0.7699999809265137},{"id":"https://openalex.org/keywords/airflow-speed","display_name":"airflow speed","score":0.7210000157356262},{"id":"https://openalex.org/keywords/window-ventilation","display_name":"window ventilation","score":0.9900000095367432}],"concepts":[{"id":"https://openalex.org/C26140837","wikidata":"https://www.wikidata.org/wiki/Q948441","display_name":"HEPA","level":3,"score":0.9808306694030762},{"id":"https://openalex.org/C65469","wikidata":"https://www.wikidata.org/wiki/Q905504","display_name":"Indoor air quality","level":2,"score":0.7653928399085999},{"id":"https://openalex.org/C24245907","wikidata":"https://www.wikidata.org/wiki/Q498957","display_name":"Particulates","level":2,"score":0.73710697889328},{"id":"https://openalex.org/C39432304","wikidata":"https://www.wikidata.org/wiki/Q188847","display_name":"Environmental science","level":0,"score":0.7039982080459595},{"id":"https://openalex.org/C116067010","wikidata":"https://www.wikidata.org/wiki/Q4698686","display_name":"Airflow","level":2,"score":0.6103790402412415},{"id":"https://openalex.org/C2992182192","wikidata":"https://www.wikidata.org/wiki/Q1196206","display_name":"Air purifier","level":3,"score":0.5928052067756653},{"id":"https://openalex.org/C200457457","wikidata":"https://www.wikidata.org/wiki/Q584049","display_name":"Ventilation (architecture)","level":2,"score":0.5896907448768616},{"id":"https://openalex.org/C2993878198","wikidata":"https://www.wikidata.org/wiki/Q905504","display_name":"Indoor air","level":2,"score":0.5613815188407898},{"id":"https://openalex.org/C559116025","wikidata":"https://www.wikidata.org/wiki/Q131123","display_name":"Air pollution","level":2,"score":0.4728047251701355},{"id":"https://openalex.org/C128489963","wikidata":"https://www.wikidata.org/wiki/Q1187724","display_name":"Filtration (mathematics)","level":2,"score":0.4188220500946045},{"id":"https://openalex.org/C87717796","wikidata":"https://www.wikidata.org/wiki/Q146326","display_name":"Environmental engineering","level":1,"score":0.41037964820861816},{"id":"https://openalex.org/C153294291","wikidata":"https://www.wikidata.org/wiki/Q25261","display_name":"Meteorology","level":1,"score":0.20355364680290222},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.15301135182380676},{"id":"https://openalex.org/C185592680","wikidata":"https://www.wikidata.org/wiki/Q2329","display_name":"Chemistry","level":0,"score":0.10195374488830566},{"id":"https://openalex.org/C106131492","wikidata":"https://www.wikidata.org/wiki/Q3072260","display_name":"Filter (signal processing)","level":2,"score":0.09064269065856934},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.08184036612510681},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.055642545223236084},{"id":"https://openalex.org/C178790620","wikidata":"https://www.wikidata.org/wiki/Q11351","display_name":"Organic chemistry","level":1,"score":0.0},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.0},{"id":"https://openalex.org/C201289731","wikidata":"https://www.wikidata.org/wiki/Q1172599","display_name":"Inlet","level":2,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C78519656","wikidata":"https://www.wikidata.org/wiki/Q101333","display_name":"Mechanical engineering","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000389","descriptor_name":"Air Conditioning","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000393","descriptor_name":"Air Pollutants","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D004391","descriptor_name":"Dust","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D016902","descriptor_name":"Air Pollution, Indoor","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":true},{"descriptor_ui":"D016902","descriptor_name":"Air Pollution, Indoor","qualifier_ui":"Q000517","qualifier_name":"prevention & control","is_major_topic":true},{"descriptor_ui":"D052638","descriptor_name":"Particulate Matter","qualifier_ui":"Q000032","qualifier_name":"analysis","is_major_topic":false},{"descriptor_ui":"D061808","descriptor_name":"Air Filters","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true}],"locations_count":5,"locations":[{"id":"doi:10.3390/ijerph191811517","doi":"https://doi.org/10.3390/ijerph191811517","is_oa":true,"landing_page_url":"https://doi.org/10.3390/ijerph191811517","pdf_url":"https://www.mdpi.com/1660-4601/19/18/11517/pdf?version=1663148053","source":{"id":"https://openalex.org/S15239247","display_name":"International Journal of Environmental Research and Public Health","issn_l":"1660-4601","issn":["1660-4601","1661-7827"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","erih-plus","medline","norway-1","poland-20","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":"International Journal of Environmental Research and Public Health","raw_type":"journal-article"},{"id":"pmid:36141811","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/36141811","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"International journal of environmental research and public health","raw_type":"Journal Article"},{"id":"pmh:oai:pubmedcentral.nih.gov:9516965","doi":null,"is_oa":true,"landing_page_url":"https://pmc.ncbi.nlm.nih.gov/articles/PMC9516965/","pdf_url":null,"source":{"id":"https://openalex.org/S2764455111","display_name":"PubMed Central","issn_l":null,"issn":null,"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Int J Environ Res Public Health","raw_type":"Text"},{"id":"pmh:oai:RePEc:gam:jijerp:v:19:y:2022:i:18:p:11517-:d:914070","doi":null,"is_oa":false,"landing_page_url":"https://www.mdpi.com/1660-4601/19/18/11517/","pdf_url":null,"source":{"id":"https://openalex.org/S4306401271","display_name":"RePEc: Research Papers in Economics","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I77793887","host_organization_name":"Federal Reserve Bank of St. Louis","host_organization_lineage":["https://openalex.org/I77793887"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"article"},{"id":"pmh:oai:doaj.org/article:e67957d6264944c484d08e91964371c4","doi":null,"is_oa":false,"landing_page_url":"https://doaj.org/article/e67957d6264944c484d08e91964371c4","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"International Journal of Environmental Research and Public Health, Vol 19, Iss 11517, p 11517 (2022)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.3390/ijerph191811517","doi":"https://doi.org/10.3390/ijerph191811517","is_oa":true,"landing_page_url":"https://doi.org/10.3390/ijerph191811517","pdf_url":"https://www.mdpi.com/1660-4601/19/18/11517/pdf?version=1663148053","source":{"id":"https://openalex.org/S15239247","display_name":"International Journal of Environmental Research and Public Health","issn_l":"1660-4601","issn":["1660-4601","1661-7827"],"is_oa":true,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-scientific","cwts-core","erih-plus","medline","norway-1","poland-20","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":"International Journal of Environmental Research and Public Health","raw_type":"journal-article"},"sustainable_development_goals":[{"id":"https://metadata.un.org/sdg/3","display_name":"Good health and well-being","score":0.9391000270843506}],"study_designs":[],"awards":[{"id":"https://openalex.org/G5180649717","display_name":null,"funder_award_id":"KSVGH111-052","funder_id":"https://openalex.org/F4320327359","funder_display_name":"Kaohsiung Veterans General Hospital"}],"funders":[{"id":"https://openalex.org/F4320327359","display_name":"Kaohsiung Veterans General Hospital","ror":"https://ror.org/04jedda80"}],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W4296808643.pdf","grobid_xml":"https://content.openalex.org/works/W4296808643.grobid-xml"},"referenced_works_count":22,"referenced_works":["https://openalex.org/W1809716400","https://openalex.org/W2107552147","https://openalex.org/W2116960837","https://openalex.org/W2135675815","https://openalex.org/W2159200188","https://openalex.org/W2596721814","https://openalex.org/W2607350314","https://openalex.org/W2730157627","https://openalex.org/W2737322199","https://openalex.org/W2766313249","https://openalex.org/W2770764426","https://openalex.org/W2791403224","https://openalex.org/W2793404076","https://openalex.org/W2798095897","https://openalex.org/W2899867564","https://openalex.org/W2904396437","https://openalex.org/W2931355552","https://openalex.org/W2946042712","https://openalex.org/W3001108747","https://openalex.org/W3024770734","https://openalex.org/W3090687988","https://openalex.org/W4213100498"],"related_works":["https://openalex.org/W2976895149","https://openalex.org/W4388777735","https://openalex.org/W2888077771","https://openalex.org/W4388905614","https://openalex.org/W7213621723","https://openalex.org/W4213100498","https://openalex.org/W7170923641","https://openalex.org/W4412823210","https://openalex.org/W7122746960","https://openalex.org/W4404454800"],"abstract_inverted_index":{"High-efficiency":[0],"particulate":[1],"air":[2,17,30,56,61,162,169,172,192],"(HEPA)":[3],"filters":[4],"is":[5,107],"a":[6,33],"potential":[7],"tool":[8],"used":[9,42],"to":[10,22,43,104,184],"remove":[11],"fine":[12],"particles":[13],"and":[14,48,53,86,137,151,178],"improve":[15,166],"indoor":[16,47,66,145,167],"quality.":[18],"This":[19],"study":[20],"aims":[21],"analyze":[23],"the":[24,46,65,154,186,190],"real-world":[25],"efficacy":[26,103,188],"of":[27,153,189],"portable":[28],"HEPA":[29,55,60,161,191],"cleaners":[31,62,163],"in":[32,109],"household":[34],"environment.":[35],"Laser":[36],"light":[37],"dispersion":[38],"PM2.5":[39,50,67,106,117,122,146,156,168],"sensors":[40],"are":[41,140,182],"continuously":[44],"monitor":[45],"outdoor":[49,131],"level":[51,68],"before":[52],"after":[54],"cleaner":[57,173],"filtration.":[58],"Overall,":[59],"significantly":[63],"reduce":[64,105],"(33.5":[69],"\u00b1":[70,74,90,94],"10.3":[71],"vs.":[72,92],"17.2":[73],"10.7":[75],"\u00b5g/m3,":[76,82,120],"mean":[77],"difference":[78],"(MD)":[79],"=":[80,97,149,159],"\u221216.3":[81],"p":[83,99],"<":[84,100],"0.001)":[85],"indoor/outdoor":[87,121,155],"PM2.5%":[88],"(76.3":[89],"16.8":[91],"38.6":[93],"19.8%,":[95],"MD":[96],"\u221237.7%,":[98],"0.001).":[101],"The":[102],"strongest":[108],"three":[110],"machines":[111],"with":[112,144],"medium-flow":[113],"setting":[114],"group":[115],"(indoor":[116],"MD:":[118,124],"\u221226.5":[119],"percentage":[123,152],"\u221256.4%).":[125],"Multiple":[126],"linear":[127],"regression":[128],"demonstrates":[129],"that":[130],"PM2.5,":[132],"machine":[133,174],"number,":[134],"airflow":[135],"speed,":[136],"window":[138,179],"ventilation":[139,180],"significant":[141],"factors":[142],"associated":[143],"concentrations":[147],"(R":[148,158],"0.879)":[150],"ratio":[157],"0.808).":[160],"can":[164],"effectively":[165],"pollution.":[170],"Adequate":[171],"numbers,":[175],"appropriate":[176],"airflow,":[177],"limitations":[181],"important":[183],"achieve":[185],"best":[187],"cleaner.":[193]},"counts_by_year":[{"year":2026,"cited_by_count":19},{"year":2025,"cited_by_count":12},{"year":2024,"cited_by_count":4}],"updated_date":"2026-11-10T11:39:43.021295","created_date":"2022-09-24T00:00:00"}
