Materia
- Physical Chemistry 7
- Chemical Engineering 6
- Computer Science 6
- Physics And Astronomy 6
- Electronic 5
- Medicine 5
- Optics 5
- Optoelectronic Devices 5
- Religion 5
- and Nanotechnology 5
- Industrial Manufacturing and Operations Engineering 4
- Management 4
- Mathematical Methods 4
- Mineralogy 4
- Sociology 4
- Thermal-Fluids Engineering 4
- Biological Imaging 3
- Engineering: General Interest 3
- General Science 3
- History of Mathematical Texts 3