3 - Other industrial technologies

3.4 - Chemical Technology and Engineering

• 3.4.10 - Special chemicals, intermediates

4 - Energy

4.2 - Energy production, transmission and conversion

• 4.2.13 - Fuel cells

4.5 - Renewable Sources of Energy

• 4.5.3 - Photovoltaics
• 4.5.8 - Waste to energy other
• 4.5.9 - Energy from wastewater

4.7 - Other Energy Topics

• 4.7.3 - Micro- and Nanotechnology related to energy

5 - Physical and exact sciences

5.1 - Chemistry

• 5.1.1 - Analytical Chemistry

5.2 - Meteorology/Climatology

• 5.2.1 - Biosensors

5.3 - Physics

• 5.3.2 - Optics

5.4 - Separation Technologies

• 5.4.1 - Filtration and Membrane Processes
• 5.4.2 - Extraction
• 5.4.3 - Adsorption
• 5.4.4 - Distillation
• 5.4.5 - Sublimation
• 5.4.6 - Other Processes

5.5 - Micro- and Nanotechnology

9 - Measurements and standards

9.1 - Measurement Tools

• 9.1.2 - Analyses/Test Facilities and Methods
• 9.1.3 - Chemical material testing
• 9.1.4 - Electrical Technology related to measurements
• 9.1.7 - Optical Technology related to measurements
• 9.1.8 - Other Non Destructive Testing
• 9.1.9 - Sensor Technology related to measurements

9.5 - Reference Materials

9.6 - Standards

• 9.6.1 - Quality Standards
• 9.6.2 - Technical Standards