| Research Areas | records | % of 3787 |
| ENGINEERING | 638 | 16.847 |
| CHEMISTRY | 588 | 15.527 |
| PHYSICS | 557 | 14.708 |
| MATERIALS SCIENCE | 371 | 9.797 |
| MATHEMATICS | 270 | 7.13 |
| MECHANICS | 231 | 6.1 |
| SCIENCE TECHNOLOGY OTHER TOPICS | 210 | 5.545 |
| THERMODYNAMICS | 170 | 4.489 |
| COMPUTER SCIENCE | 156 | 4.119 |
| AGRICULTURE | 129 | 3.406 |
| PLANT SCIENCES | 122 | 3.222 |
| ENERGY FUELS | 118 | 3.116 |
| ENVIRONMENTAL SCIENCES ECOLOGY | 118 | 3.116 |
| PHARMACOLOGY PHARMACY | 114 | 3.01 |
| GEOLOGY | 107 | 2.825 |
| VETERINARY SCIENCES | 86 | 2.271 |
| TOXICOLOGY | 84 | 2.218 |
| LIFE SCIENCES BIOMEDICINE OTHER TOPICS | 72 | 1.901 |
| BIOCHEMISTRY MOLECULAR BIOLOGY | 71 | 1.875 |
| OPTICS | 71 | 1.875 |
| TELECOMMUNICATIONS | 60 | 1.584 |
| BIOTECHNOLOGY APPLIED MICROBIOLOGY | 58 | 1.532 |
| FOOD SCIENCE TECHNOLOGY | 55 | 1.452 |
| ELECTROCHEMISTRY | 51 | 1.347 |
| MICROBIOLOGY | 51 | 1.347 |
| PARASITOLOGY | 49 | 1.294 |
| CELL BIOLOGY | 38 | 1.003 |
| METALLURGY METALLURGICAL ENGINEERING | 36 | 0.951 |
| PALEONTOLOGY | 36 | 0.951 |
| NUCLEAR SCIENCE TECHNOLOGY | 34 | 0.898 |
| NEUROSCIENCES NEUROLOGY | 33 | 0.871 |
| WATER RESOURCES | 33 | 0.871 |
| ONCOLOGY | 31 | 0.819 |
| RADIOLOGY NUCLEAR MEDICINE MEDICAL IMAGING | 31 | 0.819 |
| UROLOGY NEPHROLOGY | 31 | 0.819 |
| RESPIRATORY SYSTEM | 30 | 0.792 |
| ENDOCRINOLOGY METABOLISM | 28 | 0.739 |
| SURGERY | 28 | 0.739 |
| GENERAL INTERNAL MEDICINE | 25 | 0.66 |
| GASTROENTEROLOGY HEPATOLOGY | 24 | 0.634 |
| MARINE FRESHWATER BIOLOGY | 24 | 0.634 |
| POLYMER SCIENCE | 24 | 0.634 |
| REPRODUCTIVE BIOLOGY | 24 | 0.634 |
| SPECTROSCOPY | 23 | 0.607 |
| INFECTIOUS DISEASES | 20 | 0.528 |
| TROPICAL MEDICINE | 20 | 0.528 |
| IMMUNOLOGY | 19 | 0.502 |
| OBSTETRICS GYNECOLOGY | 19 | 0.502 |
| PATHOLOGY | 19 | 0.502 |
| RESEARCH EXPERIMENTAL MEDICINE | 19 | 0.502 |
| ZOOLOGY | 19 | 0.502 |
| ANATOMY MORPHOLOGY | 18 | 0.475 |
| PEDIATRICS | 18 | 0.475 |
| PUBLIC ENVIRONMENTAL OCCUPATIONAL HEALTH | 18 | 0.475 |
| DERMATOLOGY | 17 | 0.449 |
| ENTOMOLOGY | 17 | 0.449 |
| HEMATOLOGY | 17 | 0.449 |
| MYCOLOGY | 16 | 0.422 |
| METEOROLOGY ATMOSPHERIC SCIENCES | 15 | 0.396 |
| ACOUSTICS | 14 | 0.37 |
| INFORMATION SCIENCE LIBRARY SCIENCE | 14 | 0.37 |
| ARCHAEOLOGY | 13 | 0.343 |
| IMAGING SCIENCE PHOTOGRAPHIC TECHNOLOGY | 13 | 0.343 |
| PSYCHIATRY | 12 | 0.317 |
| ANESTHESIOLOGY | 11 | 0.29 |
| ASTRONOMY ASTROPHYSICS | 11 | 0.29 |
| CONSTRUCTION BUILDING TECHNOLOGY | 11 | 0.29 |
| GEOCHEMISTRY GEOPHYSICS | 10 | 0.264 |
| PSYCHOLOGY | 10 | 0.264 |
| REMOTE SENSING | 10 | 0.264 |
| RHEUMATOLOGY | 10 | 0.264 |
| BUSINESS ECONOMICS | 9 | 0.238 |
| EDUCATION EDUCATIONAL RESEARCH | 9 | 0.238 |
| ART | 8 | 0.211 |
| AUTOMATION CONTROL SYSTEMS | 8 | 0.211 |
| BIOPHYSICS | 8 | 0.211 |
| CARDIOVASCULAR SYSTEM CARDIOLOGY | 8 | 0.211 |
| INSTRUMENTS INSTRUMENTATION | 8 | 0.211 |
| MATHEMATICAL COMPUTATIONAL BIOLOGY | 8 | 0.211 |
| MICROSCOPY | 8 | 0.211 |
| VIROLOGY | 8 | 0.211 |
| CRYSTALLOGRAPHY | 7 | 0.185 |
| NUTRITION DIETETICS | 7 | 0.185 |
| OCEANOGRAPHY | 7 | 0.185 |
| OTORHINOLARYNGOLOGY | 6 | 0.158 |
| DENTISTRY ORAL SURGERY MEDICINE | 5 | 0.132 |
| GENETICS HEREDITY | 5 | 0.132 |
| INTEGRATIVE COMPLEMENTARY MEDICINE | 5 | 0.132 |
| PHYSIOLOGY | 5 | 0.132 |
| TRANSPORTATION | 5 | 0.132 |
| BIODIVERSITY CONSERVATION | 4 | 0.106 |
| FISHERIES | 4 | 0.106 |
| ORTHOPEDICS | 4 | 0.106 |
| PHYSICAL GEOGRAPHY | 4 | 0.106 |
| ROBOTICS | 4 | 0.106 |
| DEVELOPMENTAL BIOLOGY | 3 | 0.079 |
| EVOLUTIONARY BIOLOGY | 3 | 0.079 |
| GEOGRAPHY | 3 | 0.079 |
| MATHEMATICAL METHODS IN SOCIAL SCIENCES | 3 | 0.079 |
| TRANSPLANTATION | 3 | 0.079 |
| ARCHITECTURE | 2 | 0.053 |
| ARTS HUMANITIES OTHER TOPICS | 2 | 0.053 |
| HEALTH CARE SCIENCES SERVICES | 2 | 0.053 |
| LINGUISTICS | 2 | 0.053 |
| MINING MINERAL PROCESSING | 2 | 0.053 |
| NURSING | 2 | 0.053 |
| OPERATIONS RESEARCH MANAGEMENT SCIENCE | 2 | 0.053 |
| PUBLIC ADMINISTRATION | 2 | 0.053 |
| SOCIAL SCIENCES OTHER TOPICS | 2 | 0.053 |
| ALLERGY | 1 | 0.026 |
| AUDIOLOGY SPEECH LANGUAGE PATHOLOGY | 1 | 0.026 |
| DEVELOPMENT STUDIES | 1 | 0.026 |
| GERIATRICS GERONTOLOGY | 1 | 0.026 |
| MEDICAL INFORMATICS | 1 | 0.026 |
| MEDICAL LABORATORY TECHNOLOGY | 1 | 0.026 |
| MINERALOGY | 1 | 0.026 |
| OPHTHALMOLOGY | 1 | 0.026 |
| REHABILITATION | 1 | 0.026 |
| SOCIAL WORK | 1 | 0.026 |
| (1 records (0.026%) do not contain data in the field being analyzed.) |