Class information for: |
Basic class information |
Hierarchy of classes |
The table includes all classes above and classes immediately below the current class. |
| Cluster id | Level | Cluster label | #P |
|---|---|---|---|
| 18 | 4 | CHEMISTRY, ANALYTICAL//TOXICOLOGY//ENVIRONMENTAL SCIENCES | 697102 |
| 87 | 3 | CHEMISTRY, ANALYTICAL//JOURNAL OF CHROMATOGRAPHY A//JOURNAL OF CHROMATOGRAPHY | 81655 |
| 1353 | 2 | COMPREHENSIVE TWO DIMENSIONAL GAS CHROMATOGRAPHY//GC X GC//GAS CHROMATOGRAPHY | 8594 |
| 24316 | 1 | ATMOSPHERIC PRESSURE IONIZATION MASS SPECTROMETER//CHLORINE SELECTIVE DETECTOR//PULSED DISCHARGE EMISSION DETECTION | 339 |
Terms with highest relevance score |
| rank | Category | termType | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|---|
| 1 | ATMOSPHERIC PRESSURE IONIZATION MASS SPECTROMETER | authKW | 371877 | 1% | 100% | 4 |
| 2 | CHLORINE SELECTIVE DETECTOR | authKW | 278908 | 1% | 100% | 3 |
| 3 | PULSED DISCHARGE EMISSION DETECTION | authKW | 278908 | 1% | 100% | 3 |
| 4 | DETECTION GC | authKW | 215209 | 4% | 18% | 13 |
| 5 | PULSED DISCHARGE DETECTOR | authKW | 209179 | 1% | 75% | 3 |
| 6 | BICOMPARTMENT ION SOURCE | authKW | 185939 | 1% | 100% | 2 |
| 7 | ECD FPD RESPONSE RATIOS | authKW | 185939 | 1% | 100% | 2 |
| 8 | GAS PHASE ABSORPTION SPECTROMETRY | authKW | 185939 | 1% | 100% | 2 |
| 9 | PHOTOIONIZATION DETECTOR PID | authKW | 185939 | 1% | 100% | 2 |
| 10 | PULSED DISCHARGE EMISSION DETECTOR | authKW | 185939 | 1% | 100% | 2 |
Web of Science journal categories |
| chi_square_rank | Category | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | Chemistry, Analytical | 9094 | 69% | 0% | 235 |
| 2 | Biochemical Research Methods | 996 | 19% | 0% | 63 |
| 3 | Instruments & Instrumentation | 379 | 11% | 0% | 38 |
| 4 | Materials Science, Characterization, Testing | 105 | 2% | 0% | 8 |
| 5 | Environmental Sciences | 48 | 8% | 0% | 26 |
| 6 | Materials Science, Coatings & Films | 31 | 3% | 0% | 9 |
| 7 | Electrochemistry | 18 | 3% | 0% | 9 |
| 8 | Engineering, Environmental | 11 | 2% | 0% | 7 |
| 9 | Nuclear Science & Technology | 4 | 2% | 0% | 6 |
| 10 | Public, Environmental & Occupational Health | 3 | 3% | 0% | 9 |
Address terms |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | BIOCHEMPHYS MICROSENSORS | 92969 | 0% | 100% | 1 |
| 2 | DESIGN TECHNOL GEOPHYS ENVIRONM FRIENDLY | 92969 | 0% | 100% | 1 |
| 3 | DOW WOLFF CELLULOS GMBH OHG | 92969 | 0% | 100% | 1 |
| 4 | HLTH ENVIRON | 92969 | 0% | 100% | 1 |
| 5 | LEADING EDGE TECHNOL DEV KAWASAKI KU | 92969 | 0% | 100% | 1 |
| 6 | LEAKING UNDERGROUND STORAGE TANK PROGRAM | 92969 | 0% | 100% | 1 |
| 7 | PROD ENTERPRISE ECOANALYT | 92969 | 0% | 100% | 1 |
| 8 | WASTE BUR | 92969 | 0% | 100% | 1 |
| 9 | BIO CHEM PHYS MICROSENSORS | 46484 | 0% | 50% | 1 |
| 10 | BUSINESS STRATEGY PLANNING | 30988 | 0% | 33% | 1 |
Journals |
| chi_square_rank | term | chi_square | shrOfCwithTerm | shrOfTermInClass | termInClass |
|---|---|---|---|---|---|
| 1 | AMERICAN LABORATORY | 10970 | 5% | 1% | 18 |
| 2 | JOURNAL OF CHROMATOGRAPHY | 8096 | 12% | 0% | 40 |
| 3 | JOURNAL OF CHROMATOGRAPHIC SCIENCE | 7152 | 5% | 0% | 18 |
| 4 | INDUSTRIAL RESEARCH & DEVELOPMENT | 5021 | 1% | 3% | 2 |
| 5 | ANALYTICAL CHEMISTRY | 3633 | 11% | 0% | 38 |
| 6 | INDUSTRIAL LABORATORY | 3531 | 2% | 1% | 7 |
| 7 | JOURNAL OF CHROMATOGRAPHY A | 3030 | 9% | 0% | 30 |
| 8 | RESEARCH & DEVELOPMENT | 2771 | 1% | 1% | 2 |
| 9 | CHROMATOGRAPHIA | 1793 | 4% | 0% | 13 |
| 10 | INTERNATIONAL LABORATORY | 1658 | 0% | 2% | 1 |
Author Key Words |
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 |