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Skull radiograph measurements of normals and patients with basilar impression; use of Landzert's angle (1987)

Adam, A. M.

Springer

Surgical and radiologic anatomy 9 (1987), S. 225-229

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ISSN: 1279-8517

Keywords: Basilar impression ; Landzert's basal angle ; Clivus length ; Cervical canal

Source: Springer Online Journal Archives 1860-2000

Topics: Medicine

Description / Table of Contents: Résumé Cent crânes normaux ont été étudiés sur des radiographies de profil ainsi que dix crânes pathologiques présentant des impressions basilaires chez des patients traités à l'HÔpital Kenyatta de Nairobi. La plus courte distance moyenne entre le sommet de l'odontoÏde et la ligne basale de McGregor a été de 1,2±2,28 mm au-dessous de la ligne basale (extrÊmes étendues de 6 mm au-dessous à 3 mm au-dessus de la ligne basale), chez les sujets normaux et de 9±2,7 mm (6–14 mm) au-dessus de la ligne basale chez les sujets pathologiques. L'angle basai moyen était de 113

Notes: Summary One hundred normal lateral skull radiographs were studied and those of ten patients with basilar impression attending Kenyatta Hospital, Nairobi. The mean shortest distance of the odontoid tip to McGregor's basal line was 1.2±2.28 mm below the basal line (range 6 mm below to 3 mm above basal line), in normals and 9±2.7 mm (6–14 mm) above basal line in patients. The mean basal angle was 113

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF02109633

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Darstellung und Kristallstruktur von TICu[CuO2] (1991)

Adam, A. ; Felser-Wenz, C. ; Schuster, H.-U. ; [et al.]

Weinheim : Wiley-Blackwell

Zeitschrift für anorganische Chemie 605 (1991), S. 157-162

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ISSN: 0044-2313

Keywords: TICu[CuO2] ; synthesis ; crystal structure ; lattice energy ; Chemistry ; Inorganic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Description / Table of Contents: Preparation and Crystal Structure of TlCu[CuO2]By reaction of Tl2O3 and Cu2O in a sealed copper-type TlCu[CuO2] was synthesized; the orthorhombically bodycentered crystallizing compound forms a new structure type, space group Imma (no. 74), with the lattice constants a = 552.5 pm, b = 605.2 pm, c = 896.4 pm. The Madelung Part of Lattice Energy, MAPLE, as well as Effective Coordination Numbers, ECoN, these via Mean Effective Ionic Radii, MEFIR, were calculated.

Notes: Durch Umsetzung von Tl2O3 und Cu2O im verschweißten Kupfertiegel gelang die Darstellung von TlCu[CuO2]; die Verbindung kristallisiert orthorhombisch innenzentriert in einem neuen Strukturtyp, Raumgruppe Imma (Nr. 74), mit den Gitterkonstanten a = 552,5 pm, b = 605,2 pm, c = 896,4 pm. Der Madelunganteil der Gitterenergie, MAPLE, sowie Effektive Koordinationszahlen, ECoN, diese über Mittlere Effektive Ionenradien, MEFIR, wurden berechnet.

Additional Material: 1 Ill.