The principle involved in wedge film is interference.
Extraction of pure metal from ores. That's all on my side.
The principle is found in "Counter Current Extraction"
resonanace...
Reduction
This is the Archimedes principle.
solubility.
electrostatic photocopiers
by satlite waves
resonance
The principle behind lactose extraction from milk is enzymatic hydrolysis. The enzyme lactase is added to milk, which breaks down lactose into its constituent sugars, glucose and galactose. The chemical reaction can be represented as: Lactose + Water → Glucose + Galactose
detects deoxy sugar