Science, Nature and Technology
- Decay accelerating factor, a protein involved in the complement system
- Delayed auditory feedback, a device used to delay a person's voice to their own ear, which reduces stuttering and cluttering
- Directed attention fatigue, a neurological symptom characterized by the fatigue of the inhibitory attention system
- Dissolved air flotation (DAF), a water treatment process
- Dwarf African frog
- Dynamic amplification factor, a factor of increase of effect over a static load due a dynamic load in structural dynamics
Read more about this topic: DAF
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