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  • 1995-1999  (10)
  • 1995  (10)
Source
Material
Years
  • 1995-1999  (10)
Year
Keywords
  • 1
    Electronic Resource
    Electronic Resource
    Renal angiomyolipoma with inferior vena caval extension: MRI demonstration of a “thread-and-streaks” sign (1995)
    Springer
    European radiology 5 (1995), S. 328-330 
    Details
    ISSN: 1432-1084
    Keywords: Angiomyolipoma ; Tumor thrombus ; “Thread-and-streaks” sign ; Inferior vena cava ; MR
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The MR findings in a case of tumor extension into an inferior vena cava from a right renal angiomyolipoma are reported. The flow void demonstrated within the intracaval tumor thrombus on T1-weighted images was consistent with the so-called thread-and-streaks sign.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00185321
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Time-differential perturbed-angular-correlation and emission Moessbauer studies on 99Ru dispersed in YBa2Cu3O6.8 and YBa2Cu3O6 (1995)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 99 (1995), S. 10629-10634 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100026a029
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Adhesion between Te-based alloy films and fluorocarbon sublayers during the ablative hole opening process (1995)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 77 (1995), S. 865-872 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Adhesion between thin Te-based alloy films and fluorocarbon polymer sublayers, prepared by sputtering or plasma polymerization, was investigated by observing the 1 μm-sized ablative hole opening process with a focused laser beam. Interpretations of the mechanisms for the change in energy required for the hole opening and pit geometry were based on the framework of studies of the ablative hole opening process for optical recording. Observations suggest that the molten material flow during the hole opening includes a ductile fracture and a viscous flow of the molten sublayer material as well as of active layer material. Adhesion acts as an energy barrier against the above mentioned flow of molten material during the hole opening process. Since the fluorocarbon films used in the present work had highly cross-linked structures, the adhesion was mainly dominated by the dynamic force of adhesion. Therefore, the hole opening process was mainly affected by the dynamic force of adhesion rather than the static force, which is dominated by the surface energy of the sublayer. There was a good correlation between the dynamic force of adhesion estimated by the peel-off strength and the concentrations of the -CF- and -C-CF- structures estimated from C1s spectra obtained by x-ray photoelectron spectroscopy. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.359011
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    In situ observation of silicon hydrides on Si(100) surfaces during synchrotron-radiation-stimulated Si2H6 gas source molecular beam epitaxy (1995)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 67 (1995), S. 2364-2366 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Silicon hydrides (SiHn) on the Si(100) surface during synchrotron-radiation (SR) stimulated Si2H6 gas source molecular beam epitaxy has been observed in situ at low temperatures (≤400 °C), by means of infrared reflection absorption spectroscopy using CoSi2 buried metal layer substrates. At high temperatures (400 °C, 370 °C), SiH is a dominant surface species, while with temperature decrease from 275 to 50 °C, the number of SiH decreases, and, on the other hand, SiH2 and SiH3 appear and increase. This result explains the change of reflection high-energy diffraction pattern from 2×1 to 1×1. The SiH in the bulk network has not been observed. SR irradiation on the film at 140 °C after deposition shows that SiH2 and SiH3 are easily decomposed to SiH and that SiH decomposes much more slowly than SiH2 and SiH3. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.114346
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    Paper (German National Licenses)
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  • 5
    Electronic Resource
    Electronic Resource
    IgG2 Deficiency Associated with Defects in Production of Interferon-Gamma; Comparison with Common Variable Immunodeficiency (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 41 (1995), S. 0 
    Details
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We report a novel mechanism of IgG2 deficiency. Several investigators have reported patients with IgG subclass deficiencies due to homozygous deletion of immunoglobulin heavy chain constant region genes. However, it is unclear what mechanism is responsible for IgG subclass deficiency in cases where no gene deletions have been detected and which are accompanied by recurrent infections due to aberrant immunoregulation. In the present study, we have focused our attention on production by peripheral blood mononuclear cells (PBMCs) of interferon-gamma (IFN-γ), which is known to induce IgG2 expression. PBMCs from four patients with IgG2 deficiency and their families were studied. Mitogen-induced IFN-γ production by PBMCs was decreased in all of the patients, although the proliferative responses of PBMCs and the percentages of CD3, CD4, and CD8 T cell subsets were not decreased. IgG2 production by PBMCs was restored upon addition of IFN-γ and mitogen to the PBMCs of the patients with IgG2 deficiency though it was not restored in the patients with common variable immunodeficiency. We conclude that defects in production of IFN-γ play an important role in IgG2 deficiency.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3083.1995.tb03544.x
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  • 6
    Electronic Resource
    Electronic Resource
    DAMAGE HEALING AND STRENGTHENING BEHAVIOUR IN INTELLIGENT MULLITE/SiC CERAMICS (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Fatigue & fracture of engineering materials & structures 18 (1995), S. 0 
    Details
    ISSN: 1460-2695
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Fifteen kinds of mullite/SiC samples with different microstructures were prepared in order to examine the effect of Sic volume% and Sic grain size on mullite morphology and mechanical properties. Special attention was paid to the effect of heat-treatment on fracture stress. It is shown that these materials have damage self-healing characteristics. The best mullite/SiC system, within the given test conditions, is 20% by volume of Sic, having a grain sue of 0.56 μm, and the best condition for damage healing is a 1 h heat treatment at 1300°C in an air atmosphere.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1460-2695.1995.tb00924.x
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  • 7
    Electronic Resource
    Electronic Resource
    Crystalline products and their formation mechanism in thermal hydrolysis of ZrOSO4 solution (1995)
    Springer
    Journal of materials science 30 (1995), S. 3333-3338 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Solid products were prepared from mixtures of zirconyl carbonate and sulphuric acid solution under thermal hydrolysis at 240°C. These crystalline products and their formation mechanism were investigated by evaluating the amount of products, and by X-ray diffraction analysis and TEM observation. The solid products precipitated were zirconium oxide sulphates (ZOS, PZOS, ZrOSO4·H2O) and m-ZrO2. The area and thickness of the fine plate-like crystals of ZOS increased with increasing concentration of the solution and hydrothermal treatment time. For thin starting solutions, the precipitation velocity and the amount of PZOS increased. For thick starting solutions, those of ZOS increased. For 0.5 mol/l−1 ZrOSO4 solution (ZS0.5) from the thin solution, PZOS crystallized early and m-ZrO2 crystallized by releasing sulphuric acid ions in PZOS with treatment time. For ZS2.5 from the thick solution, ZrOSO4·H2O was crystallized by increasing the proportion of sulphuric acid ions to zirconium ions in the solution, which was caused by ZOS precipitation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00349876
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    Paper (German National Licenses)
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  • 8
    Electronic Resource
    Electronic Resource
    Local structure and valence of impurity ions in oxides by TDPAC and Mössbauer emission spectroscopy (1995)
    Springer
    Journal of radioanalytical and nuclear chemistry 190 (1995), S. 215-224 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The features of time-differential perturbed angular correlation (TDPAC) in studies on local chemical structures around impurity atoms are described in comparison with those of Mössbauer emission spectroscopy with four typical examples of recent applications to metal oxide systems, namely,99Rh→99Ru in α-Fe2O3 and YBa2Cu3O7−δ and117Cd→117In in MO (M=Mn, Co, Ni) and BaRu2/3Cd1/3O3.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02039996
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  • 9
    Electronic Resource
    Electronic Resource
    Multitracer study on transport and distribution of metal ions in plants (1995)
    Springer
    Journal of radioanalytical and nuclear chemistry 195 (1995), S. 305-313 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Transport and distribution of metal ions in rice and soybean plants were studied using multitracers produced by irradiating an Au target by 135 MeV/nucleon12C,14N, or16O ions accelerated by RIKEN Ring Cyclotron. The multitracer consisted of radioisotopes of the following elements: Be, Na, Sc, Mn, Fe, Co, Zn, Se, Rb, Sr, Y, Zr, Nb, Ag, Te, Ba, Ce, Pm, Eu, Gd, Tb, Tm, Yb, Lu, Hf, Ir, and Pt. Rice and soybean plants were grown in a nutrient solution and also on soil containing a multitracer. γ-ray spectroscopy of different parts of the plants showed that all the elements were more or less taken up by roots, while appreciable transport to leaves and seeds was observed only for Mn, Zn, Se, Rb, Sr, and Ba.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02035970
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  • 10
    Electronic Resource
    Electronic Resource
    “Multitracer” a new tracer technique — Its principle, features, and application (1995)
    Springer
    Journal of radioanalytical and nuclear chemistry 195 (1995), S. 297-303 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract We established “Multitracer”, a new versatile radiotracer technique, for simultaneous tracing of a number of elements in various chemical, environmental, and biological systems. Metal foil targets (typically Au, Ag, Ge, Cu and Fe) are irradiated with C, N, or O ions accelerated up to 135 MeV/nucleon by RIKEN Ring Cyclotron. Radiochemical procedures have been developed to remove the target material leaving the nuclides as Multitracer solutions containing various radionuclides of Be, Na, Mg, K, Ca, Sc, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, As, Se, Br, Rb, Sr, Y, Zr, Nb, Mo, Tc, Ru, Rh, Pd, Ag, Cd, In, Sn, Te, I, Ba, Ce, Pm, Eu, Gd, Tb, Tm, Yb, Lu, Hf, W, Re, Os, Ir, Pt, and Hg. Multitracers enable efficient tracing of a number of elements, and comparison of their behavior under strictly identical experimental conditions. Such features will be demonstrated by means of an example of application to a model experiment for the study of removal mechanism of various elements from the ocean.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02035969
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