[Essay Topic]
(The following topics include but are not limited to)
Topic 1: Materials Science
Preparation and Application of Nanomaterials
Innovative Design of Composite Materials
Research on the mechanical properties of materials
Application of Advanced Characterization Techniques in Materials Science
Material Innovation in Additive Manufacturing Technology
Improvement of Processing Technology for High Performance Materials
Precision manufacturing and forming technology of materials
Electronic functional materials
Development and Application of Energy Materials
Adaptive Material Systems and Technologies
Sustainability and Environmental Protection of Materials
Sustainability and Environmental Protection of Materials
Simulation and modeling of materials
Intelligent and Biomimetic Materials
Thermoelectric materials and thermal conductive materials
Optoelectronic Materials and Devices
Synthetic polymers and polymer materials
Topic 2: Engineering
Structural Wind Engineering
structural monitoring
Structural seismic resistance, vibration reduction, and vibration control
Structural Design and Optimization
Structural load-bearing capacity
structure selection
Non destructive evaluation of structures
Reliability and durability of the structure
Risk analysis and assessment of structure
Mechanical properties of engineering structures and materials
Structural deformation and failure
Tunnels and underground structures
Intelligent algorithms related to mechanical deconstruction
Tall buildings and large-span structures
Bridge engineering and load analysis
Topic 3: New Materials
Optical/Electronic/Magnetic Materials
superconducting material
Nanomaterials and Technology
smart material
Laser materials
Infrared detector material
LCD materials
High brightness LED material
Fiber Material
magnetic material 
Electronic ceramic materials
Piezoelectric transistor material
Information sensing materials
semiconductor material
Microelectronics materials