منابع مشابه
compactifications and representations of transformation semigroups
this thesis deals essentially (but not from all aspects) with the extension of the notion of semigroup compactification and the construction of a general theory of semitopological nonaffine (affine) transformation semigroup compactifications. it determines those compactification which are universal with respect to some algebric or topological properties. as an application of the theory, it is i...
15 صفحه اولPrecursor B-lymphoblastic transformation of grade I follicle center lymphoma.
Part of the natural history of follicle center lymphoma (FCL) is transformation to a more aggressive neoplasm, almost always a diffuse large B-cell lymphoma. We describe a rare example of a precursor B-lymphoblastic transformation of grade I FCL occurring in a 45-year-old woman 12 years after initial presentation and 3 years after successful treatment for a diffuse large cell transformation. Th...
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6-Methyl-2-phenyl-7H-Oxazolo [3,2-b] [1,2,4] triazine (1) undersent ting transformation on treatment with ammonia and primary amines to afford the corresponding imidazol [1,2-b][1,2,4] triazine (2). Treatment of (1) with hydrazine hydrate gave the corresponding 3-aryl-4H-1,2,4- triazino [4,3-b][1,2,4] triazin-8 (1H)-one (3).
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Mg6Pd represents the second of the two structure types so far found for complex A6B compounds of cubic symmetry containing about 400 atoms each per smallest unit cube, arranged according to space group F-43m. The first type is represented by Na6T1. A complete structure determination has been carried out for Mg6Pd with the use of packing maps and least-squares refinements employing intensity dat...
متن کاملCrystal structure of (18-crown-6)potassium(I) [(1,2,3,4,5-η)-cycloheptadienyl][(1,2,3-η)-cycloheptatrienyl]cobalt(I)
The reaction of bis-(anthracene)cobaltate(-I) with excess cyclo-hepta-triene, C7H8, resulted in a new 18-electron cobaltate containing two different seven-membered ring ligands, based on single-crystal X-ray diffraction. The asymmetric unit of this structure contains two independent cation-anion pairs of the title complex, [K(18-crown-6)][Co(η(3)-C7H7)(η(5)-C7H9)], where 18-crown-6 stands for 1...
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ژورنال
عنوان ژورنال: Journal of the Japan Society of Colour Material
سال: 1984
ISSN: 0010-180X
DOI: 10.4011/shikizai1937.57.249