Class information for:
Level 1: RESPIRATOR//PERSONAL PROTECT TECHNOL//FIT TEST

Basic class information
Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
21 4 THERMODYNAMICS//MECHANICS//ENGINEERING, MECHANICAL 471779
421 3       JOURNAL OF ELECTROSTATICS//JOURNAL OF AEROSOL SCIENCE//ELECTROHYDRODYNAMICS 30196
3105 2             RESPIRATOR//PERSONAL PROTECT TECHNOL//FIT TEST 2484
10351 1                   RESPIRATOR//PERSONAL PROTECT TECHNOL//FIT TEST 1101

Terms with highest relevance score


rank Category termType chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 RESPIRATOR authKW 2649666 13% 64% 144
2 PERSONAL PROTECT TECHNOL address 1623464 8% 62% 91
3 FIT TEST authKW 816365 3% 77% 37
4 RESPIRATORY PROTECTIVE DEVICES authKW 697866 3% 76% 32
5 N95 FILTERING FACEPIECE RESPIRATORS authKW 686977 2% 100% 24
6 N95 RESPIRATOR authKW 667231 2% 90% 26
7 RESPIRATORY PROTECTION authKW 611754 4% 46% 46
8 WORKPLACE PROTECTION FACTOR authKW 548831 2% 91% 21
9 ELECTRET FILTER authKW 469689 2% 86% 19
10 FIT FACTOR authKW 429361 1% 100% 15

Web of Science journal categories


chi_square_rank Category chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 Public, Environmental & Occupational Health 18744 53% 0% 586
2 Environmental Sciences 6312 37% 0% 410
3 Infectious Diseases 2941 16% 0% 175
4 Materials Science, Textiles 1079 3% 0% 38
5 Toxicology 894 9% 0% 101
6 Ergonomics 811 3% 0% 29
7 Meteorology & Atmospheric Sciences 398 6% 0% 66
8 Engineering, Chemical 300 8% 0% 91
9 Engineering, Mechanical 257 6% 0% 64
10 Virology 156 3% 0% 37

Address terms


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 PERSONAL PROTECT TECHNOL 1623464 8% 62% 91
2 OCCUPAT HLTH ENVIRONM SAFETY 266420 1% 85% 11
3 POLICY STAND DEV BRANCH 143120 0% 100% 5
4 HLTH RELATED AEROSOL STUDIES 98999 1% 22% 16
5 OCCUPAT HLTH INFECT CONTROL 93498 1% 47% 7
6 ENGN MINERAL OURCES IND MANAGEMENT SY 85872 0% 100% 3
7 NPPTL 73598 1% 43% 6
8 DIS CONTROL PREVENTHLTH EFFECTS 64403 0% 75% 3
9 OHESD 64403 0% 75% 3
10 PERSONAL PROTECT EQUIPMENT 61831 1% 20% 11

Journals


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass
1 JOURNAL OF OCCUPATIONAL AND ENVIRONMENTAL HYGIENE 331443 11% 9% 124
2 AMERICAN INDUSTRIAL HYGIENE ASSOCIATION JOURNAL 261816 13% 6% 147
3 ANNALS OF OCCUPATIONAL HYGIENE 81533 7% 4% 81
4 AMERICAN JOURNAL OF INFECTION CONTROL 25584 5% 2% 59
5 AIHAJ 15796 1% 6% 10
6 WORKPLACE HEALTH & SAFETY 10603 1% 3% 11
7 JOURNAL OF AEROSOL SCIENCE 8768 3% 1% 35
8 FIRE ENGINEERING 7155 0% 25% 1
9 AEROSOL SCIENCE AND TECHNOLOGY 7069 3% 1% 28
10 AIHA JOURNAL 5761 0% 4% 5

Author Key Words


chi_square_rank term chi_square shrOfCwithTerm shrOfTermInClass termInClass LCSH search Wikipedia search
1 RESPIRATOR 2649666 13% 64% 144 Search RESPIRATOR Search RESPIRATOR
2 FIT TEST 816365 3% 77% 37 Search FIT+TEST Search FIT+TEST
3 RESPIRATORY PROTECTIVE DEVICES 697866 3% 76% 32 Search RESPIRATORY+PROTECTIVE+DEVICES Search RESPIRATORY+PROTECTIVE+DEVICES
4 N95 FILTERING FACEPIECE RESPIRATORS 686977 2% 100% 24 Search N95+FILTERING+FACEPIECE+RESPIRATORS Search N95+FILTERING+FACEPIECE+RESPIRATORS
5 N95 RESPIRATOR 667231 2% 90% 26 Search N95+RESPIRATOR Search N95+RESPIRATOR
6 RESPIRATORY PROTECTION 611754 4% 46% 46 Search RESPIRATORY+PROTECTION Search RESPIRATORY+PROTECTION
7 WORKPLACE PROTECTION FACTOR 548831 2% 91% 21 Search WORKPLACE+PROTECTION+FACTOR Search WORKPLACE+PROTECTION+FACTOR
8 ELECTRET FILTER 469689 2% 86% 19 Search ELECTRET+FILTER Search ELECTRET+FILTER
9 FIT FACTOR 429361 1% 100% 15 Search FIT+FACTOR Search FIT+FACTOR
10 FILTERING FACEPIECE RESPIRATOR 403218 2% 78% 18 Search FILTERING+FACEPIECE+RESPIRATOR Search FILTERING+FACEPIECE+RESPIRATOR

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.

Classes with closest relation at Level 1


rank cluster_id2 link
1 7515 FIBROUS FILTERS//PULSE JET CLEANING//GAS FILTRATION
2 8322 BIOAEROSOLS//AEROSOL BIOENGN//AIRBORNE BACTERIA
3 12856 ULTRAVIOLET GERMICIDAL IRRADIATION//AIR DISINFECTION//OCCUPATIONAL TUBERCULOSIS
4 7192 FIREFIGHTERS//WBGT//FIREFIGHTING
5 4413 PANDEMIC//INFLUENZA//PANDEMIC INFLUENZA
6 28506 SURGICAL SMOKE//SMOKE EVACUATION//SURGICAL PLUME
7 11433 HEALTH CARE WORKERS//INFLUENZA VACCINATION//HEALTHCARE WORKERS
8 4768 DISPLACEMENT VENTILATION//BUILDING AND ENVIRONMENT//PERSONALIZED VENTILATION
9 956 SEVERE ACUTE RESPIRATORY SYNDROME//SARS COV//CORONAVIRUS
10 17803 FERROELECTRETS//PIEZOELECTRET//ELECTRET

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