| 释义 |
Definition of hafnium in English: hafniumnoun ˈhafnɪəmˈhæfniəm mass nounThe chemical element of atomic number 72, a hard silver-grey metal of the transition series, resembling and often occurring with zirconium. Example sentencesExamples - Titanium is found in column four along with chemically similar zirconium, hafnium, and thorium.
- Gadolinium is a rare earth element, one of the elements that occurs in Row 6 of the periodic table between barium and hafnium.
- Samarium is a rare earth element, one of the elements that occupy the space in Row 6 of the periodic table between lanthanum and hafnium.
- In contrast with tungsten, hafnium does not interact readily with iron-rich material, but it does combine readily with the elements in rocks lacking in iron.
- For most of history, hafnium and zirconium were not clearly distinguished from each other.
Origin 1920s: modern Latin, from Hafnia, Latinized form of Danish Havn, former name of Copenhagen. Definition of hafnium in US English: hafniumnounˈhæfniəmˈhafnēəm The chemical element of atomic number 72, a hard silver-gray metal of the transition series, resembling and often occurring with zirconium. Example sentencesExamples - Titanium is found in column four along with chemically similar zirconium, hafnium, and thorium.
- Samarium is a rare earth element, one of the elements that occupy the space in Row 6 of the periodic table between lanthanum and hafnium.
- For most of history, hafnium and zirconium were not clearly distinguished from each other.
- Gadolinium is a rare earth element, one of the elements that occurs in Row 6 of the periodic table between barium and hafnium.
- In contrast with tungsten, hafnium does not interact readily with iron-rich material, but it does combine readily with the elements in rocks lacking in iron.
Origin 1920s: modern Latin, from Hafnia, Latinized form of Danish Havn, former name of Copenhagen. |