| 11. | Aluminium boride is considered a hazardous substance as it reacts with acids and hydrogen gas to produce toxic gases.
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| 12. | "' Iron boride "'refers to various inorganic compounds with the formula Fe x B y.
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| 13. | Cerium boride cathodes have one and half the lifetime of lanthanum boride, due to its higher resistance to carbon contamination.
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| 14. | Cerium boride cathodes have one and half the lifetime of lanthanum boride, due to its higher resistance to carbon contamination.
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| 15. | Boride cathodes are about ten times as " bright " than the tungsten ones and have 10 15 times longer lifetime.
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| 16. | The preparation of amorphous nickel boride is simple compared with other borides which requires high temperatures, special techniques and equipment.
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| 17. | It is one of two chemical compounds that are commonly called aluminium boride; the other is aluminium diboride, AlB 2.
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| 18. | Canfield said he and his colleagues at Iowa State and Ames have been working long hours seven days a week investigating magnesium boride.
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| 19. | Similar to yttrium, rare-earth metals from Gd to Lu can form REB 41 Si 1.2-type boride.
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| 20. | Cerium boride cathodes show lower evaporation rate at 1700 K than lanthanum boride, but it becomes equal at 1850 K and higher above that.
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