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  • Inorganic Chemistry  (1)
  • Key words: Ilium  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    European radiology 7 (1997), S. 1449-1451 
    ISSN: 1432-1084
    Keywords: Key words: Ilium ; Cysts ; Intraosseous gas ; Sacroiliac joints ; CT
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Intraosseous pneumatocyst of the ilium is a rare lesion of uncertain origin. It predilects male subjects and may be associated or not with sacroiliac joint degenerative disease, intra-articular gas, sacral pneumatocyst, and communication with the articular space. To our knowledge, only 16 observations have been reported in the literature. We have evaluated with plain radiographs and CT two additional cases. Plain films frequently identify these lesions, but CT is the method of choice in demonstrating their air density and assessing the possible abnormalities of the surrounding bone and sacroiliac joints.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 525 (1985), S. 230-236 
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Verbindungsbildung im System PbGeO3—Pb5Ge3O11Die Verbindungsbildung im System PbGeO3—Pb5Ge3O11 wurde mittels Thermoanalyse und Hochtemperatur-Röntgenbeugung untersucht. Neue Modifikationen des PbGeO3 und Pb5Ge3O11 wurden durch gleichzeitige Hydrolyse von Blei- und Germanium-alkoxiden dargestellt. PbGeO3 hat eine hexagonale Einheitszelle mit a = 15,573 und c = 7,240 Å und Pb5Ge3O11 besitzt eine orthorhombische Kristallstruktur mit a = 5,081, b = 7,301 und c = 8,817 Å. Sie werden in die bekannten monoklinen und hexagonalen Modifikationen bei 575 bis 610°C bzw. 410 bis 450°C umgewandelt. Eine Verbindung der Zusammensetzung Pb3Ge2O7 wird nicht bestätigt. Die Strukturen der Germanatgruppen in den Bleigermanaten werden auf der Grundlage von IR-Daten diskutiert.
    Notes: Compound formation in the system PbGeO3—Pb5Ge3O11 was studied by thermal analysis and high-temperature X-ray diffraction. New modifications of PbGeO3 and Pb5Ge3O11 were prepared by the simultaneous hydrolysis of lead and germanium alkoxides, followed by washing and drying; the former has a hexagonal unit cell with a = 15.573 Å and c = 7.240 Å, and the latter has an orthorhombic crystal structure with a = 5.081 Å, b = 7.301 Å and c = 8.817 Å. They are transformed to the known monoclinic and hexagonal modifications at 575 to 610°C and 410 to 450°C, respectively. No compound of Pb3Ge2O7 was confirmed. The structures of germanate groups in the lead germanate compounds are discussed on the basis of the infrared spectral data.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
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