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  • 1970-1974  (6)
  • 1
    Electronic Resource
    Electronic Resource
    Naphthothiophenes. 1. .alpha.-(Alkylaminomethyl)-4-naphtho[2,1-b]thiophenemethanols as antimalarials (1972)
    s.l. : American Chemical Society
    Journal of medicinal chemistry 15 (1972), S. 370-374 
    Details
    ISSN: 1520-4804
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jm00274a010
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Evaporation and solution morphologies of ZnO single crystals (1971)
    Copenhagen : International Union of Crystallography (IUCr)
    Applied crystallography online 4 (1971), S. 379-383 
    Details
    ISSN: 1600-5767
    Source: Crystallography Journals Online : IUCR Backfile Archive 1948-2001
    Topics: Geosciences , Physics
    Notes: The evaporation and solution morphologies of ZnO single crystals have been investigated. In the case of solution etching, using HCl, the {00.1} surface develops etch pits with sharp rims while for the {00.\overline 1} surface, etch-pit rims are unstable. Similar effects are found for evaporation near 1035°C. As the evaporation temperature is increased to near 1200°C, however, the {00.\overline 1} surface becomes increasingly complex before assuming a more stable habit at still higher temperatures. Both {10.\overline 2} and {11.\overline 2} planes are developed on the {00.\overline 1} surface, but the corresponding planes on the {00.1} surface are not observed. (The development of second order pyramidal planes is also observed in vapor grown needles from ore-processing furnaces).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/S0021889871007246
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    131I-RIHSA CSF scanning in pediatric neurosurgical practice (1974)
    Springer
    Neuroradiology 8 (1974), S. 119-123 
    Details
    ISSN: 1432-1920
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Les auteurs ont étudié 60 cas de cisternographies à la RISA avec/ou ventriculographies chez des enfants âgés de un mois à 15 ans, atteints de différents troubles de la circulation du LCR. Cette étude comprenait des cas d'hydrocéphalie et d'autres malformations congénitales du système nerveux central ainsi que des séquelles post-traumatiques et post-méningitiques. L'examen se révéla fiable, non seulement dans la différenciation entre hydrocéphalie compensée ou progressive mais également dans la détection d'anomalies associées de la circulation de LCR en cas de méningo-myélocèles d'encéphalocèles. Cette technique est excellente pour la localisation d'une fistule de LCR; elle peut également visualiser la taille et l'extension d'un hématome sous-dural ou d'un hydrome. La concentration pathologique et l'élimination tardive du radio-élément dans la région sous-jacente à la lacune crânienne étaient constantes dans tous les cas de lacunes post-traumatiques. Des blocages uniques ou multiples furent observés dans des cas de séquelles postméningitiques (tuberculose).
    Abstract: Zusammenfassung Bei 60 Kindern im Alter swischen 1 Monat und 15 Jahren wurde die RIHSA-Cisternographie und/oder Ventrikulographie durchgeführt. Es sollten damit unterschiedliche Hydrocephalus-Formen und andere angeborene Mißbildungen des Zentralnervensystems, auch posttraumatische und postmeningitische Veränderungen nachgewiesen werden. Diese Untersuchungsmethode zeigt sich besonders wertvoll zur Differenzierung der einzelnen Hydrocephalus-Arten zum Nachweis von Anomalien der Liquorzirkulation, besonders bei Meningomyelozelen und Encephalozelen. Auch können Liquorfisteln und subdurale Hämatome oder Hygrome damit exakt festgestellt werden. Pathologische Veränderungen finden sich auch bei allen Patienten mit wachsenden Frakturen. Bei postmeningitischen (tuberkulösen) Verklebungen konnte der Stopp lokalisiert werden.
    Notes: Summary Sixty children aged between one month and fifteen years were submitted to RIHSA cisternography and/or ventriculography for a variety of lesions affecting the CSF pathways. These included cases of hydrocephalus and other congenital malformations of the central nervous system, posttraumatic and post meningitic sequelae. The investigation has been found to be valuable not only in differentiating between arrested and progressive hydrocephalus but also in unmasking associated anomalies of CSF flow and pathways in cases of meningomyelocele and encephalocele. It is excellent for delineating a CSF fistula and can also be utilised to demonstrate the size and extent of a subdural hematoma or hygroma. Pathological concentration and delayed clearance of the isotope in the region underlying the skull defect was a consistent finding in all cases of growing fracture (craniocerebral erosion). Single or multiple sites of blocks were observed in cases of postmeningitic (tuberculous) sequelae.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00345044
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  • 4
    Electronic Resource
    Electronic Resource
    High prevalence of Haemoglobin E in two populations in Assam (1971)
    Springer
    Human genetics 〈Berlin〉 12 (1971), S. 264-266 
    Details
    ISSN: 1432-1203
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Description / Table of Contents: Zusammenfassung Zwei Bevölkerungsgruppen in Assam (Indien) wurden untersucht. Bei 80 Khasi (Bhoi-Untergruppe), einem austroasiatischen Stamm, fanden sich 41% HbE-Träger, bei 82 Ahom, Abkömmlingen von Thai-Einwanderern, 58% HbE-Träger. Die große Häufigkeit des HbE in Gruppen mit ethnischen Beziehungen zu Südostasien unterstützen die Ansicht, daß das HbE-Gen von dort nach Indien eingeführt wurde.
    Notes: Summary Two groups in Assam (India) were examined. Among 80 Khasi (Bhoi subgroup), an austroasiatic tribal group, there were 41% HbE carriers; and in 82 Ahom, a group related to the Thai population, 58% of HbE carriers were found. This high prevalence of HbE in groups with ethnic relations to Southeast Asia supports the contention that the HbE gene was introduced to India from that area.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00702780
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  • 5
    Electronic Resource
    Electronic Resource
    Very low temperature properties of bosons with repulsive core and attractive tails (1973)
    Springer
    Czechoslovak journal of physics 23 (1973), S. 1159-1171 
    Details
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The properties of a system of bosons interacting through a two body potential composed of a hard repulsive core followed by an attractive square well and having density of the order of that of liquid4He at theλ-point have been studied. The system is found to have a peculiar behaviour around 1 K and we assert that it may have undergone another phase transition around 1 K. Calculations on the effective mass show that them */m values lie between 2 and 9 so that the interacting bosons may have a transition temperature below 1 K. We have also plottedE k vs.k graph for temperatures below 1 K.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01591197
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  • 6
    Electronic Resource
    Electronic Resource
    Restricted equilibrium swelling - A true measure of adhesion between short fibers and rubber (1973)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 17 (1973), S. 1019-1030 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: The adhesion between rubber and short glass or asbestos fibers has been studied using restricted equilibrium swelling measurements. It has been demonstrated that with improved adhesion between short fiber and rubber, \documentclass{article}\pagestyle{empty}\begin{document}$ V_r = \left( {\frac{{V_I - V_F }}{{V_I }}} \right) $\end{document} decreases by more than 0.04 units, where VI and VF respectively are the volume fractions of rubber in the dry and swollen samples. Goodrich compression fatigue and tensile measurements have been used to substantiate the adhesion-promoting role of bonding agents. The preferential role of silica over black as an adhesion promoter has been questioned. The effect of fiber orientation in controlling the anisotropy of restricted swelling has also been demonstrated.
    Additional Material: 11 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1973.070170403
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