单挑
发表于 2025-3-25 05:46:30
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使激动
发表于 2025-3-25 10:45:40
https://doi.org/10.1007/978-3-642-46050-0el elements and the radioactive products formed simultaneously. Research programs to develop a technique for the separation of the slow-neutron fissionable U. isotope from its much more abundant naturally occurring isotope, U., were carried out in two other installations in Oak Ridge. The first of t
胡言乱语
发表于 2025-3-25 15:10:58
Carl Gustaf Mosander and His Research on Rare Earthseeting of the British Association for the Advancement of Science held at Cork, Ireland, August 17–23, 1843. The title of the paper was . (1). It was read by Mosander’s brother-in-law, the Irish dragoon-major North Ludlow Beamish, who lived in Cork and was President of the Cork Scientific and Literar
胡言乱语
发表于 2025-3-25 18:55:55
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Allodynia
发表于 2025-3-25 21:07:26
Elements No. 70, 71 and 72: Discoveries and Controversiesof 16 years. The principal concern of the later and more bitter controversy was element 72, which is not a rare earth, but a zirconium homologue. Nonetheless, from a historical point of view the discovery of hafnium is an integral part of the discovery histories of the rare earths, which would be in
得体
发表于 2025-3-26 02:15:07
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PURG
发表于 2025-3-26 05:45:52
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愤怒事实
发表于 2025-3-26 11:02:41
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弄污
发表于 2025-3-26 12:54:12
Use of Lanthanum as a Tool to Delineate Calcium Mobilization Patterns in Smooth Muscleum and similar lanthanides as tools to elucidate various actions and pathways of calcium has resulted in advances in our understanding of many important roles of calcium ion in such fundamental processes as excitation-contraction coupling and stimulus-secretion coupling in a wide variety of cellular
Pamphlet
发表于 2025-3-26 17:56:33
Medical Uses of the Rare Earthsrg, in 1797, was the first to suggest such an application for a rare earth. As Pyykkö and Orama describe in Chapter 1 of this volume, after repeating Gadolin’s isolation of the new earth yttria Ekeberg noted that it had a sweet taste “almost like that of lead compounds but not so repulsive but rathe