| 41. | Use of purified lanthanum also allowed usage of a much smaller amount of material in the tests themselves.
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| 42. | The converters use rare earth metals, oxides such as cerium and lanthanum, that are plentiful in China.
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| 43. | Chemically, actinium is similar to lanthanum, which is explained by their similar ionic radii and electronic structure.
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| 44. | Berkelium metal can also be produced by the reduction of berkelium ( IV ) oxide with thorium or lanthanum.
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| 45. | Lanthanum acts at the same modulatory site on the GABA receptor as zinc, a known negative allosteric modulator.
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| 46. | The oxide is reduced to metal by heating with lanthanum, aluminium, cerium or zirconium in high vacuum.
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| 47. | However borate glass with more than 20 mol . % of lanthanum oxide is very durable under ambient conditions.
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| 48. | Large amounts of radioactive lanthanum were dispersed by the explosions; 254 tests were performed between 1944 and 1961.
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| 49. | I know that the specific method I have to use takes into account the position of Lanthanum and Actinium.
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| 50. | LSAT is a hard, optically transparent ceramic oxide of the elements lanthanum, aluminum, strontium and tantalum.
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