察觉
发表于 2025-3-26 23:24:33
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foppish
发表于 2025-3-27 04:27:03
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上涨
发表于 2025-3-27 09:10:16
Florian P. Pruchnik,Stan A. Durajiebung der Anforderungsschwerpunkte von der vorwiegenden energetischen Beanspruchung des Organismus zu einer überwiegend psychischen Beanspruchung zu verzeichnen ist. Es sollen aus diesem Komplex moderner Formen der Arbeitsbeanspruchung jene Inhaltsformen im Rahmen dieses Projektes einer experimente
炼油厂
发表于 2025-3-27 13:21:39
r Lösung von Erwärmungs- und Trocknungsproblemen. Besonders hinsichtlich einer schnellen, intensiven und energiesparenden Erwärmung der oberflächennahen Schichten von Werkstücken und Werkstoffen ist die Infrarotstrahlung in erfolgreichen Wettbewerb mit den bisherigen Verfahren der Erwärmung im Warml
攀登
发表于 2025-3-27 15:54:41
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Definitive
发表于 2025-3-27 17:48:21
Metal Carbonyls,thesis. Thus, research on preparations, structures, and applications of metal carbonyls and their derivatives has been intensive for several years. The first metal carbonyl, Ni(CO)., was prepared by A. Mond, G. Langer, and F. Quincke. in 1890 by the reaction of metallic nickel with carbon monoxide.
ILEUM
发表于 2025-3-28 01:47:48
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LANCE
发表于 2025-3-28 05:15:16
Compounds Containing le Carbon-Donor Ligands,here are M —C(sp.), M —C(sp.), and M —C(sp) groupings. Many compounds possessing metal to carbon . bonds are known both homoleptic (MR.) as well as heteroleptic (MR.L.).. Like sandwich compounds, complexes containing metal to carbon . bonds very often do not obey Sidgwick’s rule. The number of valen
摇曳
发表于 2025-3-28 09:14:31
,Complexes Containing Six-Electron π-Ligands,ndwich compounds of the general formula M(arene). which possess structures analogous to metallocenes and monoarene derivatives of the composition M(arene)L. are known. Arenes may be considered as ligands occupying three coordination sites. Usually, arenes are terminal ligands bonded to one metal ato
FOR
发表于 2025-3-28 12:59:12
,Complexes Containing Seven- and Eight-Electron π-Ligands,epresents an 8. ligand; it forms sandwich-type compounds with some actinides, for example, . Coordinated ..-C.H. and ..-COT molecules are planar, and all C-C distances are equal or differ only slightly.. The interaction between CHT and COT and the metal is similar to the interaction between