- Earth Sciences - Geochemistry (48)
- Earth Sciences - Geology (27)
- Chemistry - General and Others (10)
- Earth Sciences - Mineralogy (8)
- Earth Sciences - Petrology (8)
- Life Sciences - Biology (7)
- Physics - General and Others (7)
- Chemistry - Biochemistry (6)
- Earth Sciences - Geophysics (6)
- Earth Sciences - General and Others (5)
- Environmental Sciences - Pollution (Air, Noise, Soil and Water) & Control (5)
- Life Sciences - Biochemistry (5)
- Agriculture Sciences - Soil Chemistry, Microbiology, Fertility & Fertilizers (4)
- Chemistry - Environmental Chemistry (4)
- Engineering - Satellites, Space Probes & Technology (3)
- Environmental Sciences - Atmospheric Science (3)
- Environmental Sciences - Ecosystems & Ecology (3)
- Physics - Nuclear Physics (3)
- Physics - Particle Physics (3)
- Agriculture Sciences - Fisheries and Aquaculture (2)
- Chemistry - Applied Chemistry (2)
- Chemistry - Crystallography (2)
- Chemistry - Inorganic Chemistry (2)
- Chemistry - Organic Chemistry (2)
- Earth Sciences - Energy Minerals (2)
- Earth Sciences - Geography (2)
- Earth Sciences - Marine Geology and Oceanography (2)
- Engineering - Fluid Engineering (2)
- Engineering - Mining Engineering (2)
- Engineering - Nuclear Engineering (2)
- Environmental Sciences - Hazardous Substance Handling, Management & Disposal (2)
- Material Science and Metallurgy - Metals, Minerals, Ores & Alloys (2)
- Physics - Atmospheric Physics (2)
- Physics - Mechanics (2)
- Physics - Thermodynamics and Heat Transfer (2)
- Agriculture Sciences - General and Others (1)
- Agriculture Sciences - Water and Water Resources (1)
- Chemistry - Nuclear Chemistry (1)
- Chemistry - Physical Chemistry (1)
- Earth Sciences - Extraterrestrial Geology (1)
- Earth Sciences - Meteorology (1)
- Engineering - Biomedical Engineering (1)
- Engineering - Environmental Engineering (1)
- Engineering - Instrumentation (1)
- Environmental Sciences - Ecotoxicology (1)
- Environmental Sciences - General and Others (1)
- Environmental Sciences - Natural Disasters & Industrial Accidents (1)
- Information Technology - Modelling & Simulation (1)
- Life Sciences - Micro and Molecular Biology (1)
- Mathematical Sciences - Algorithms (1)
- Mathematical Sciences - Numerical Analysis (1)
- Physics - Astrophysics (1)
- Physics - Energy (1)
- Physics - Magnetism (1)