| 摘要 |
PURPOSE: A multi-functional Paduk stone manufacturing method is provided, which can improve concentration by making alpha wave of the brain activated. CONSTITUTION: A multi-functional Paduk stone manufacturing method is as follows. Feldspar of 250kg consisting of enterolith 58 weight%, quartz 19 weight%, lime 12 weight%, sodium silicokluoride 4 weight%, potassium nitrate 3 weight%, fluorite 1 weight%, copper oxide 2 weight%, and borax 1 weight%, seven precious stone composition 100Kg consisting of silicon oxide 69 weight%, alumina 19 weight%, ferric oxide 2 weight%, calcium oxide 5 weight%, magnesium oxide 2 weight%, and calcium oxide 3 weight%, Kiyoseki composition 100Kg consisting of consisting of silicon oxide 77 weight%, aluminium oxide 15 weight%, kalium oxide 6 weight%, and calcium oxide 2 weight%, and anion composition 50Kg consisting of phosphorus pentoxide 38 weight%, neodymium oxide 11 weight%, titanium dioxide 5 weight%, silicon oxide 39 weight%, zirconium oxide 6 weight%, and thorium oxide 1 weight% are injected in a mixer and are mixed. A Paduk stone is manufactured by putting the mixture in a furnace and extrusion molding it at 1,500deg.C for 12 hours. The Paduk stone is slowly cooled at 400deg.C for 4-5 hours, is put into a grinder, and washed and dried. The Paduk is dipped into the silver antimicrobial solution for 1 hour.
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