- chemical corrosion
- chemical corrosion-proof electric apparatus
- chemical crosslink
- chemical crosslinking
- chemical cycle of carbon
- chemical cycle of nitrogen
- chemical cycle of phosphorus
- chemical cycle of sulfur
- chemical database
- chemical decanning
- chemical decladding
- chemical decladding; chemical decanning
- chemical decontamination
- chemical defense
- chemical defense of insect
- chemical degradation
- chemical degradation of polymers
- chemical deodorant method of sediment
- chemical diffusion
- chemical digestion
- chemical diversity synthesis
- chemical doping white light-emitting polymer
- chemical dosimeter
- chemical dynamics
- chemical dynamics of aquatic system