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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    European journal of plastic surgery 7 (1983), S. 111-121 
    ISSN: 1435-0130
    Keywords: Submucous cleft palate ; VP function ; Hypernasal voice ; Cleft palate speech
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary Previous studies have shown that SMCP involves a wide range of velopharyngeal (VP) closure functions and speech problems. However, the criteria of these analyses have not always been presented clearly. In this study we analyzed the VP closure function and speech in 40 classical triad SMCP patients according to definite categories. The results showed that 16 had competent VP closure function, including 6 with complete and 10 with marginal closure function. Six had normal speech with normal voice resonance and articulation. The factors related to this variety are discussed.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 30 (1974), S. 273-275 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The autoradiographic studies on spleen of rats show — compared with results after cryosurgery on liver and kidney of rats — that local deep tissue freezing induces irreversible cell injuries, but the localized spleen freezing is followed by an exceptionally fast healing process. After 3 weeks, there are no proliferative mesenchymal activities in the granulation tissue 4 weeks after cryonecrosis, only a small scar can be detected on the spleen surface.
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] We observed Vela X-l in 8.1-21.8 March (UT) 1979 and in 5.2-24.0 March (UT) 1980 from Hakucho, with its spin axis detectors in the energy range 1-22 keV. The binary period, the duration of eclipse, the pulse profile and its energy dependence are in good agreement with earlier results. The X-ray ...
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 284 (1980), S. 40-42 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] Although attempts to build photovoltaic and photoelectrochemical devices sensitized by dyes have met with varying degrees of success1-14, the high quantum yields and energy efficiencies recently reported 15-17 for the primary photoprocesses in photosynthetic organisms have stimulated a renewed ...
    Type of Medium: Electronic Resource
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  • 5
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The observation was carried out with an X-ray burst monitor which consists of two sets of rotating modulation collimators: two coarse modulation collimators (CMC 1,2) and a fine modulation collimator (FMC 1) with a field of view of 17.4 and 5.8 (FWHM), respectively. Positions of steady sources and ...
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Histochemistry and cell biology 40 (1974), S. 275-279 
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary Autoradiograms of sections 0.8–1.0 μ thick of epoxy-embedded, glutaraldehyde and OsO4 fixed lymphatic and hemopoietic tissues were stained with 4% aqueous basic fuchsin at 70°C for 3 min, rinsed well and destained twice at 70°C for 1 min. A 1% methylene blue solution dissolved in 1% borax aqueous solution mixed with 1% aqueous azur II solution in the proportion of 1:1 was then allowed to act on the slide at 70°C for 1 min. The stain was rinsed well off slide and destained also twice at 70°C for 1 min. The preparation was dried before applying a mounting medium (Eukitt) and cover glass. An Eukitt mounting prevented the stain from fading for at least 1 year. The method is simple, rapid and provides sharp contrast in autoradiography with well destained nucleal emulsion.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Naturwissenschaften 61 (1974), S. 134-134 
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Theoretical chemistry accounts 60 (1981), S. 303-312 
    ISSN: 1432-2234
    Keywords: Hydrogen rearrangement ; Formamidine ; Solvent effects ; Intrinsic reaction coordinate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The nature of the 1,3 hydrogen rearrangement of formamidine (H2N-CH=NH) and the solvent effects on that reaction are studied with ab initio molecular orbital calculations on the basis of the supermolecule model. The reaction path and the motion of the migrating hydrogen atom are traced by using the concept of the intrinsic reaction coordinate (IRC). Four types of orientation of one water molecule to formamidine at the transition state of reaction are examined and the results are discussed from the standpoint of the orbital interactions.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Colloid & polymer science 250 (1972), S. 459-470 
    ISSN: 1435-1536
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Zusammenfassung Die viskoelastischen Eigenschaften einer Reihe von Pfropf-Kopolymeren von Polymethylacrylat mit Styrol, die sich im Grad der Pfropfung und damit folgerichtig in der heterogenen Struktur unterscheiden, wurden mit der mechanischen Relaxation im Bereich von Glas-bis zum Gummi-Verhalten untersucht. Das Relaxationsverhalten der entsprechenden Homopolymeren war zuvor in Form von 4 verschiedenen Relaxationsmechanismen festgelegt worden; lokalisierte Relaxation verknüpft mit dem sek. Glasübergang, zwei Arten von intramolekularer Relaxation entsprechend kooperativer thermischer Diffusion von Kettensegmenten im Kurz- und Langbereich, beide verknüpft mit dem prim. Glas-Gummi-Übergang und zwischen-molekularer Relaxation, ebenfalls aufgrund kooperativer thermischer Bewegung von Kettensegmenten, aber über weite Bereiche einschl. der sog. Kettenverhakungen. Das Relaxationsverhalten des heterogenen Systems der Pfropf-Kopolymeren wurde auf Grundlage einer homogenen Spannung sowohl für das System als für die 4 verschiedenen Relaxationsmechanismen der bei-den Komponenten analysiert. Es traten zwei Typen von zusätzlichen Relaxations-mechanismen auf, die mit Grenzflächenphänomenen und mit dem Fließen ganzer Pfropfketten (Abbau) in Domänen-Strukturen zusammenhängen, sie wurden als charakteristisch für das System betrachtet.
    Notes: Summary The viscoelastic properties of a series of graft copolymers of poly(methyl acrylate) with styrene differing in the degree of grafting and, consequently, in the heterogeneous structure, were investigated in terms of the relaxation modulus function in a range from glassy to rubber flow consistencies. The relaxation behavior of the corresponding homopolymers was first analyzed in terms of the four different relaxation mechanisms; localized relaxation mechanism associated with the secondary glass transition, two types of intra-molecular relaxation mechanisms due to cooperative thermal diffusion of chain segments in short and long ranges, respectively, both associated with the primary glass-rubber transition, and inter-molecular relaxation mechanisms due to also the cooperative thermal diffusion of chain segments but in further long range including the so-called chain entanglements. The relaxation behavior of the heterogeneous system of the graft copolymers was then analyzed on the bases of the homogeneous strain hypothesis for the system as well as of the four different relaxation mechanisms for both of the two components. Two types of additional relaxation mechanisms associated with the grain boundary phenomena and with the flow of entire graft copolymer chains after melting (disintegration) of the domain structures, respectively, were investigated as characteristics of the system.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Applied physics 25 (1981), S. 231-238 
    ISSN: 1432-0630
    Keywords: 66.30 ; 68.20
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract Periodic surface profiles with amplitudes of ≦0.4 μm and periodicities of 4–20 μm were prepared on Ni(110), (100), and (111) single crystal surfaces. These crystals were annealed in ultra-high vacuum (UHV) at 1073–1327 K after they had been cleaned by Ar ion bombardment and investigated by Auger electron spectroscopy. The geometry of the profiles was studied in UHV by laser diffraction and outside the vacuum by interference microscopy. The profiles have sinusoidal shapes on Ni(110) but trapezoidal shapes on both the (100) and (111) surfaces. This type of faceting can be understood on the basis of the anisotropic surface energy of Ni, with cusps at the (100) and (111) orientations. Model calculations show in the case of anisotropic surface energy that periodic profiles develop facets which correspond to the low surface energy orientations (close-packed surfaces).
    Type of Medium: Electronic Resource
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