| 41. | "' Hafnium tetrafluoride "'is the inorganic compound with the formula HfF 4.
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| 42. | I was talking to; who though it was hafnium, whereas I thought it was carbon.
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| 43. | "' Hafnium tetrabromide "'is the inorganic compound with the formula HfBr 4.
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| 44. | The strength of aluminium alloys is abruptly increased with small additions of scandium, zirconium, or hafnium.
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| 45. | Commercial-quality zirconium for most uses still has a content of 1 % to 3 % hafnium.
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| 46. | Smaller amounts of hafnium and zirconium are used in super alloys to improve the properties of those alloys.
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| 47. | "' Hafnium diboride "'is an ultrahigh temperature ceramic composed of hafnium and boron.
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| 48. | "' Hafnium diboride "'is an ultrahigh temperature ceramic composed of hafnium and boron.
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| 49. | The hafnium tetrachloride remains substantially unchanged during the reduction and may be recovered readily from the zirconium subhalides.
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| 50. | She pioneered the application of hafnium isotopes to the evolution of the Earth and the early solar system.
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