The LPF and HPF consist of a superposition of four metasurfaces, but two only are schematically shown here for clarity. The graphene sheet is attached to electrodes (top and bottom), functioning ...
Methods: The type of cooking fuel was classified as low pollution fuel (LPF, liquid petroleum gas, electricity) or high/medium pollution fuels (HPF/MPF, wood, agricultural waste, etc). We included ...
Technique / 'Egg elephant eu mcpuu cpu lpu hpf lpf gpf fixed mix fix cix lix lica mca for me' Techniques From lens focal lengths and fill-flash to portraits, macro or stunning landscapes there are ...