All over the world, Chinese restaurants can be found everywhere and the Chinese foods are famous.The Chinese food preparation procedure includes: frying, stir-frying, stew, etc. In the process of cooking,It releases large amounts of aerosol which is the mixture of vapor, PAHs (Polycyclic AromaticHydrocarbon), VOCs (Volatile Organic Compounds), etc. When the aerosol mixes with combustionexhaust-gas, the mixture becomes main air contaminant in kitchen.
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