Seraya Nv 1

1. Research of ultra-dispersed opal-quartz-carbonate bentonite clay for coating welding electrodes uoni-13/55
2. Increasing the Duration of Dump Leaching of Copper Under Winter Conditions
3. Investigation of the kinetics of sulphuric acid leaching of zinc from calamine
4. Research of kinetics of zinc leaching with sulfuric acid from smithsonite
5. Investigation of the Nature of Pitting Corrosion of Gold Coins
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