Entrée : Zirconium - montrer la version 4
URI: https://terra-vocabulary.org/ncl/DataTerraRepositoryFairIncubator/motsClefs/c_2c9bac22
[Wikipedia] Zirconium is a chemical element with the symbol Zr and atomic number 40. The name zirconium is taken from the name of the mineral zircon (the word is related to Persian zargun (zircon; zar-gun, "gold-like" or "as gold")), the most important source of zirconium. It is a lustrous, grey-white, strong transition metal that closely resembles hafnium and, to a lesser extent, titanium. Zirconium is mainly used as a refractory and opacifier, although small amounts are used as an alloying agent for its strong resistance to corrosion. Zirconium forms a variety of inorganic and organometallic compounds such as zirconium dioxide and zirconocene dichloride, respectively. Five isotopes occur naturally, three of which are stable. Zirconium compounds have no known biological role.
Métadonnées principales
| est un | feature of interest | Concept |
| modifié le | 17 Nov 2023 08:31:48.961 |
| soumis par | Hélène Bressan |
| accepté le | 22 May 2023 15:17:36.208 |
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| date accepted |
22 May 2023 15:17:36.208
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| date submitted |
22 May 2023 13:21:09.623
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| definition |
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| description |
[Wikipedia] Zirconium is a chemical element with the symbol Zr and atomic number 40. The name zirconium is taken from the name of the mineral zircon (the word is related to Persian zargun (zircon; zar-gun, "gold-like" or "as gold")), the most important source of zirconium. It is a lustrous, grey-white, strong transition metal that closely resembles hafnium and, to a lesser extent, titanium. Zirconium is mainly used as a refractory and opacifier, although small amounts are used as an alloying agent for its strong resistance to corrosion. Zirconium forms a variety of inorganic and organometallic compounds such as zirconium dioxide and zirconocene dichloride, respectively. Five isotopes occur naturally, three of which are stable. Zirconium compounds have no known biological role.
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feature of interest
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| modified |
17 Nov 2023 08:31:48.961
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| notation |
c_2c9bac22
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mots clefs
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status experimental
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register item
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| version info |
4
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Définition
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Zr
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| description |
[Wikipedia] Zirconium is a chemical element with the symbol Zr and atomic number 40. The name zirconium is taken from the name of the mineral zircon (the word is related to Persian zargun (zircon; zar-gun, "gold-like" or "as gold")), the most important source of zirconium. It is a lustrous, grey-white, strong transition metal that closely resembles hafnium and, to a lesser extent, titanium. Zirconium is mainly used as a refractory and opacifier, although small amounts are used as an alloying agent for its strong resistance to corrosion. Zirconium forms a variety of inorganic and organometallic compounds such as zirconium dioxide and zirconocene dichloride, respectively. Five isotopes occur naturally, three of which are stable. Zirconium compounds have no known biological role.
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| exact match |
c 2c9bac22
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| in scheme |
Vocabulaire des mots clefs
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| same as |
c 2c9bac22
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| top concept of |
Vocabulaire des mots clefs
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| type |
feature of interest
| Concept
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| was attributed to |
Pôle THEIA
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