OCTO
发表于 2025-3-28 18:04:06
Delocalisation of 5f Electrons in Americium Metal under Pressure: Recent Results and Comparison withase transition. This contradiction is lifted when Am III is indexed as a trigonal distortion of the cubic close packed Am II. A 6% volume decrease was observed on transition from Am III to Am IV. These findings complete the systematics of the high pressure transitions of the group of heavy actinide metals Am to Cf.
Fissure
发表于 2025-3-28 20:13:21
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幼稚
发表于 2025-3-28 23:56:27
Pathologische Veränderungen der HautHanford Engineer Works, Washington, followed by chemical separations in Chicago, led to the identification, completed in January 1945, of .95 and .96 (again), produced by the reactions .Pu (n,.) .Pu (n,.) . The names americium (95) and curium (96) were suggested at an ACS annual Spring Meeting in April, 1946.
热心助人
发表于 2025-3-29 06:24:15
https://doi.org/10.1007/b137783e earth series (the lanthanides) follows La. The consequences of the resulting half-filled 5f. shell at Cm were originally presented by Seaborg as a test of his hypothesis. Recent research is outlined that substantiates Seaborg’s predictions in new and definitive ways.
毁坏
发表于 2025-3-29 09:56:30
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喷出
发表于 2025-3-29 11:32:25
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LEVER
发表于 2025-3-29 18:44:12
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集合
发表于 2025-3-29 22:16:04
Electronic Structure of Neutral and Singly Ionized Curiumm II are 5f.6d7s. and 5f.7s., respectively. The relative energies of other electronic configurations of Cm are given and compared with analogous configurations in other actinides and in Gd its lanthanide analogue.
RALES
发表于 2025-3-30 00:10:13
Die Haut und ihre Anhangsgebildeperatures, but the reduction was effectively inhibited by the presence of ozone gas or fluoride ions. On the other hand, .Am(V) and .Am(VI) were found to be rather stable in nitric acids. But, they were readily reduced to Am(III) in the phosphate solutions in the same manner as .Am(V) and .Am(VI).
Modify
发表于 2025-3-30 07:32:39
Norman M. Edelstein,James D. Navratil,Wallace W. S