Columbia Encyclopedia
Search results
23 results found
palladium, chemical element
(Encyclopedia)palladium [Gr. Pallas, goddess of wisdom], metallic chemical element; symbol Pd; at. no. 46; at. wt. 106.42; m.p. 1,554℃; b.p. 2,970℃; sp. gr. 12.02 at 20℃; valence +2, +3, or +4. Palladium is a...Palladium, in Greek religion
(Encyclopedia)Palladium pəlāˈdēəm [key], in Greek religion, sacred image kept in the temple of Athena at Troy. It was either an image of Athena or an image made by Athena of her unfortunate playmate Pallas (se...Wacker process
(Encyclopedia)Wacker process, an industrial process for the manufacture of ethanol by oxidizing ethene. For example, bubbling ethylene and oxygen when treated by an acidified water solution of palladium and cupric ...Heck, Richard Fred
(Encyclopedia)Heck, Richard Fred, 1931–2015, American chemist, b. Springfield, Mass., Ph.D. Univ. of California, Los Angeles, 1954. Heck was a researcher at the Hercules Corporation in Wilmington, Del., from 1957...Periodic Table of the Elements: Palladium
(Encyclopedia)Periodic Table of the Elements: Palladium ...Pd
(Encyclopedia)Pd, symbol for the element palladium. ...Suzuki, Akira
(Encyclopedia)Suzuki, Akira, 1930–, Japanese chemist, Ph.D. Hokkaido Univ., Sapporo, 1959. He was a professor at Hokkaido from 1963 until his retirement in 1994. Since then, he has taught for short periods at Oka...Negishi, Ei-ichi
(Encyclopedia)Negishi, Ei-ichi, 1935–2021, Japanese chemist, b. Changchum, China, Univ. of Tokyo (B.Eng., 1958), Univ. of Pennsylvania (Ph.D...Wollaston, William Hyde
(Encyclopedia)Wollaston, William Hyde, 1766–1828, English scientist, M.D. Cambridge, 1793. His wide-ranging scientific achievements include the discovery (1802) of the dark lines (Fraunhofer lines) in the solar s...Norilsk
(Encyclopedia)Norilsk nərēlskˈ [key], city (1989 pop. 175,000), Krasnoyarsk Territory, N Siberian Russia. The northernmost major city of Russia and the world's second largest city (after Murmansk) above the Arct...Browse by Subject
- Earth and the Environment +-
- History +-
- Literature and the Arts +-
- Medicine +-
- People +-
- Philosophy and Religion +-
-
Places
+-
- Africa
- Asia
- Australia and Oceania
- Britain, Ireland, France, and the Low Countries
- Commonwealth of Independent States and the Baltic Nations
- Germany, Scandinavia, and Central Europe
- Latin America and the Caribbean
- Oceans, Continents, and Polar Regions
- Spain, Portugal, Italy, Greece, and the Balkans
- United States, Canada, and Greenland
- Plants and Animals +-
- Science and Technology +-
- Social Sciences and the Law +-
- Sports and Everyday Life +-