Class information for: |
Basic class information |
| ID | Publications | Average number of references |
Avg. shr. active ref. in WoS |
|---|---|---|---|
| 4287 | 1737 | 30.1 | 59% |
Classes in level above (level 2) |
| ID, lev. above |
Publications | Label for level above |
|---|---|---|
| 1900 | 5364 | OZONE FORMATION POTENTIAL//FORMALDEHYDE DETERMINATION//NON METHANE HYDROCARBONS |
Terms with highest relevance score |
| Rank | Term | Type of term | Relevance score (tfidf) |
Class's shr. of term's tot. occurrences |
Shr. of publ. in class containing term |
Num. of publ. in class |
|---|---|---|---|---|---|---|
| 1 | OZONE FORMATION POTENTIAL | Author keyword | 37 | 67% | 2% | 33 |
| 2 | NON METHANE HYDROCARBONS | Author keyword | 27 | 55% | 2% | 34 |
| 3 | STATE JOINT ENVIRONM SIMULAT POLLUT CON | Address | 18 | 44% | 2% | 32 |
| 4 | NMHCS | Author keyword | 15 | 56% | 1% | 18 |
| 5 | NONMETHANE HYDROCARBON | Author keyword | 15 | 88% | 0% | 7 |
| 6 | DIFFUSIVE SAMPLERS | Author keyword | 13 | 71% | 1% | 10 |
| 7 | OZONE PRECURSORS | Author keyword | 12 | 36% | 1% | 26 |
| 8 | NMHC | Author keyword | 12 | 47% | 1% | 18 |
| 9 | NON METHANE HYDROCARBONS NMHCS | Author keyword | 11 | 100% | 0% | 6 |
| 10 | AIR ANALYSIS | Author keyword | 9 | 19% | 2% | 43 |
Web of Science journal categories |
Author Key Words |
| Rank | Web of Science journal category | Relevance score (tfidf) |
Class's shr. of term's tot. occurrences |
Shr. of publ. in class containing term |
Num. of publ. in class |
LCSH search | Wikipedia search |
|---|---|---|---|---|---|---|---|
| 1 | OZONE FORMATION POTENTIAL | 37 | 67% | 2% | 33 | Search OZONE+FORMATION+POTENTIAL | Search OZONE+FORMATION+POTENTIAL |
| 2 | NON METHANE HYDROCARBONS | 27 | 55% | 2% | 34 | Search NON+METHANE+HYDROCARBONS | Search NON+METHANE+HYDROCARBONS |
| 3 | NMHCS | 15 | 56% | 1% | 18 | Search NMHCS | Search NMHCS |
| 4 | NONMETHANE HYDROCARBON | 15 | 88% | 0% | 7 | Search NONMETHANE+HYDROCARBON | Search NONMETHANE+HYDROCARBON |
| 5 | DIFFUSIVE SAMPLERS | 13 | 71% | 1% | 10 | Search DIFFUSIVE+SAMPLERS | Search DIFFUSIVE+SAMPLERS |
| 6 | OZONE PRECURSORS | 12 | 36% | 1% | 26 | Search OZONE+PRECURSORS | Search OZONE+PRECURSORS |
| 7 | NMHC | 12 | 47% | 1% | 18 | Search NMHC | Search NMHC |
| 8 | NON METHANE HYDROCARBONS NMHCS | 11 | 100% | 0% | 6 | Search NON+METHANE+HYDROCARBONS+NMHCS | Search NON+METHANE+HYDROCARBONS+NMHCS |
| 9 | AIR ANALYSIS | 9 | 19% | 2% | 43 | Search AIR+ANALYSIS | Search AIR+ANALYSIS |
| 10 | TIME RESOLVED EXHAUST GAS ANALYSIS | 8 | 70% | 0% | 7 | Search TIME+RESOLVED+EXHAUST+GAS+ANALYSIS | Search TIME+RESOLVED+EXHAUST+GAS+ANALYSIS |
Key Words Plus |
| Rank | Web of Science journal category | Relevance score (tfidf) |
Class's shr. of term's tot. occurrences |
Shr. of publ. in class containing term |
Num. of publ. in class |
|---|---|---|---|---|---|
| 1 | NONMETHANE HYDROCARBONS | 66 | 35% | 9% | 152 |
| 2 | COMPOUNDS VOCS | 41 | 40% | 5% | 81 |
| 3 | HYDROCARBON SOURCE APPORTIONMENT | 37 | 100% | 1% | 14 |
| 4 | CHEMICAL MASS BALANCE | 21 | 37% | 3% | 46 |
| 5 | CALCULATED REACTIVITIES | 21 | 85% | 1% | 11 |
| 6 | HYDROCARBON REACTIVITY | 20 | 100% | 1% | 9 |
| 7 | OZONE PRECURSORS | 19 | 68% | 1% | 17 |
| 8 | ATMOSPHERIC HYDROCARBONS | 19 | 64% | 1% | 18 |
| 9 | DIFFUSIVE SAMPLERS | 18 | 55% | 1% | 22 |
| 10 | LIGHT NONMETHANE HYDROCARBONS | 17 | 75% | 1% | 12 |
Journals |
Reviews |
| Title | Publ. year | Cit. | Active references | % act. ref. to same field |
|---|---|---|---|---|
| Sources of ambient volatile organic compounds and their contributions to photochemical ozone formation at a site in the Pearl River Delta, southern China | 2011 | 21 | 50 | 80% |
| Sampling and preconcentration techniques for determination of volatile organic compounds in air samples | 2009 | 67 | 50 | 58% |
| Sorbent-based sampling methods for volatile and semi-volatile organic compounds in air. Part 2. Sorbent selection and other aspects of optimizing air monitoring methods | 2010 | 51 | 12 | 58% |
| Review of volatile organic compound source apportionment by chemical mass balance | 2001 | 209 | 74 | 38% |
| Anthropogenic volatile organic compounds in ambient air and natural waters: a review on recent developments of analytical methodology, performance and interpretation of field measurements | 1999 | 121 | 144 | 36% |
| Adsorbent materials commonly used in air analysis for adsorptive enrichment and thermal desorption of volatile organic compounds | 2002 | 114 | 77 | 40% |
| Sources and reactivity of NMHCs and VOCs in the atmosphere: A review | 2009 | 44 | 72 | 42% |
| Sorbent-based sampling methods for volatile and semi-volatile organic compounds in air Part 1: Sorbent-based air monitoring options | 2010 | 53 | 13 | 31% |
| Monitoring VOCs in atmospheric air II. Sample collection and preparation | 2010 | 22 | 38 | 53% |
| Volatile organic compounds: Sampling methods and their worldwide profile in ambient air | 2007 | 31 | 82 | 56% |
Address terms |
| Rank | Address term | Relevance score (tfidf) |
Class's shr. of term's tot. occurrences |
Shr. of publ. in class containing term |
Num. of publ. in class |
|---|---|---|---|---|---|
| 1 | STATE JOINT ENVIRONM SIMULAT POLLUT CON | 18 | 44% | 1.8% | 32 |
| 2 | NACL CONDICIONES TRABAJO | 4 | 75% | 0.2% | 3 |
| 3 | REG AIR MONITORING GRP | 3 | 57% | 0.2% | 4 |
| 4 | STATE JOINT ENVIRONM SIMULAT POLLUT CONTROL | 3 | 60% | 0.2% | 3 |
| 5 | NETCEN | 3 | 42% | 0.3% | 5 |
| 6 | MUMBAI ZONAL | 2 | 33% | 0.3% | 6 |
| 7 | IST SCI CHIM FABRIZIO BRUNER | 2 | 44% | 0.2% | 4 |
| 8 | AIR CHEM SECT | 2 | 67% | 0.1% | 2 |
| 9 | ANALYT ADVISORY | 2 | 67% | 0.1% | 2 |
| 10 | UNITE MIXTE CEA CNRS UVSQ | 2 | 67% | 0.1% | 2 |
Related classes at same level (level 1) |
| Rank | Relatedness score | Related classes |
|---|---|---|
| 1 | 0.0000195546 | BREAKTHROUGH VOLUMES//SOLID PHASE COLLECTION//ADSORBENT TUBE |
| 2 | 0.0000149463 | ISOPRENE//ISOPRENE EMISSION//BVOC |
| 3 | 0.0000121639 | COMMUTER EXPOSURE//TRANSPORT MICROENVIRONMENT//IN VEHICLE EXPOSURE |
| 4 | 0.0000117026 | PEROXYACETYL NITRATE//ALKYL NITRATES//PEROXYACETYL NITRATE PAN |
| 5 | 0.0000116165 | INDOOR CHEMISTRY//INDOOR AIR//INDOOR AIR CHEMISTRY |
| 6 | 0.0000106779 | CMAQ//AIR QUALITY MODELING//ATMOSPHER MODELING ANAL |
| 7 | 0.0000102443 | GLOBAL CHANGE SCI//HALOCARBONS//EINDHOVEN SUSTAINABIL |
| 8 | 0.0000098324 | PASSIVE SAMPLER//DIFFUSION TUBES//BADAN LINGKUNGAN HIDUP |
| 9 | 0.0000090085 | MEXICO CITY AIR QUALITY//AIR FLOW IN COMPLEX TERRAIN//ENERGIAS ALTERNAS |
| 10 | 0.0000089549 | VEHICLE SPECIFIC POWER//REAL WORLD EMISSIONS//TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT |