| 单词 |
palladium |
| 释义 |
palladiumpal‧la‧di‧um /pəˈleɪdiəm/ noun [uncountable]  palladiumOrigin: 1800-1900 Modern Latin Pallas asteroid discovered a short time before the metal - An outer cylinder of platinum was used as the anode, with a rod of palladium on its axis as the cathode.
- Fleischmann and Pons believed that they had stumbled on another way - intense pressures provided by the natural make-up of solid palladium.
- That was offset in part by higher prices for platinum, palladium and nickel.
- The palladium cathode was charged with dissolved hydrogen.
- The electrical voltage forced the hydrogen into the palladium.
- Three different palladium rods were tried of various diameters: the thickest rod gave by far the greatest effect.
- Undoubtedly, the bubbling oxygen would have come into contact with palladium.
a soft silver-white metal that is often combined with gold and silver, and used to cover an object with a very thin layer of metal. It is a chemical element: symbol Pd |
| 随便看 |
- William III
- William II, King
- William of Orange, King
- William, Prince
- Williams, Hank
- Williams, John
- Williams, Ralph Vaughan
- Williams, Rowan
- Williams Sisters
- Williams, Ted
- Williams, Tennessee
- Williams, William Carlos
- William the Conqueror
- willie
- willing
- willingly
- willingness
- Willis, Bruce
- will o' the wisp
- willow
- willowy
- willpower
- willy
- willy-nilly
- Wilson, Harold
|