iridium coating
31Iron — Fe redirects here. For other uses, see Fe (disambiguation). This article is about the chemical element. For other uses, see Iron (disambiguation). manganese …
32Molybdenum — niobium ← molybdenum → technetium Cr ↑ Mo ↓ W …
33Niobium — zirconium ← niobium → molybdenum V ↑ Nb ↓ Ta …
34Neodymium — praseodymium ← neodymium → promethium ↑ Nd ↓ U …
35Protactinium — thorium ← protactinium → uranium Pr ↑ Pa ↓ …
36Sulfur — This article is about the chemical element. For other uses, see Sulfur (disambiguation). phosphorus ← sulfur → chlorine …
37Zinc — This article is about the metallic element. For other uses, see Zinc (disambiguation). copper ← zinc → gallium ↑ Zn ↓ Cd …
38Organic light-emitting diode — Demonstration of a flexible OLED device A green emitting OLED device An …
39Carolina Bay — Carolina bays are elliptical depressions concentrated along the Atlantic seaboard within coastal Delaware, Maryland, New Jersey, North Carolina, South Carolina, Virginia, Georgia, and northcentral Florida (Prouty 1952, Kaczorowski 1977). In… …
40Saltwater pool — Saltwater pools use dissolved salt (3,000 6,000 ppm) as a store for the chlorination system. The chlorinator uses electrolysis to break down the salt (NaCl) and release the chlorine into the water. As such, a saltwater pool is not actually… …
