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  • Articles: DFG German National Licenses  (11)
  • 1
    Electronic Resource
    Electronic Resource
    The influence of phonon admixture and non-adiabatic effects in the even-even core on the coriolis mixing of odd nuclei states (1978)
    Springer
    Czechoslovak journal of physics 28 (1978), S. 843-856 
    Details
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Some generalizations of the model for odd nuclei suggested by Kerman are considered. The effects of phonon admixtures on matrix elements of Coriolis interaction are studied. Several schemes are considered for studying the role of non-adiabatic effects in the even-even core.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01600092
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  • 2
    Electronic Resource
    Electronic Resource
    Coulomb excitation of230Th with32S,84Kr and142Nd projectiles (1989)
    Springer
    The European physical journal 334 (1989), S. 299-314 
    Details
    ISSN: 1434-601X
    Keywords: 21.60 ; 23.20 ; 27.90 ; 29.30
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The Coulomb excitation measurements for the230Th nucleus with32S,84Kr and142Nd projectiles are presented. The use of different projectiles allowed us to get information in the ground-state band and side bands. The energy spectrum of the ground-state band and of the lowest negative-parity band have been investigated up to the spin valueI=24+ andI=19−(21), respectively. Five side bands (K π=0+, 2 1 + , 2 2 + , 1−, 2−) were observed also. The branching ratios for a large number of transitions in the spin regionI≦10 for π=+1 andI≦9 for π=− 1 are analysed. The full set of experimental data contains information on the mixing of the adiabatic states and on the nuclear response to the electromagnetic field ofγ-radiation. It is shown that the experimental data may be explained taking into account the coupling of the ground-β- and twoγ-bands and also of theK π=0−, 1− and 2− negative-parity bands. An enhancement of the transitions from theγ-to theβ-band in respect to the transitions from theγ to the ground band and from theβ- to the ground band is reported. The mixing of the negative-parity bands is found to be typical for the alignment of the octupole-vibrational angular momentum. The strong spin dependence of the intrinsic matrix elements of the electric-dipole operator follows from the branching ratios of inter- and intra-band transitions from theK π=0− states.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01284558
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  • 3
    Electronic Resource
    Electronic Resource
    Coupling of the rotational motion with the axial vibrations of multipolarity 2 and 4 (1984)
    Springer
    The European physical journal 316 (1984), S. 345-350 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The unadiabatic effects related to the coupling between the rotational and vibrational degrees of freedom are investigated. The collective Hamiltonian is constructed using the concepts of the Bohr theory and includes the degrees of freedom corresponding to the axial quadrupole and hexadecapole vibrations. The coupling of the nuclear vibrations with the rotational motion is so strong that one has to multiply the inertial parameters and the moment of inertia by the factor 1.7 in order to get the experimental energies spacing in the ground state bands. The dynamical effects to the electric quadrupole and hexadecapole moments are considered. The parameter of unadiabaticityα calculated within the model agrees well with the experimental data.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01439907
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  • 4
    Electronic Resource
    Electronic Resource
    Application of the RPA method based on the cranked Hartree-Fock-Bogoubov model in168Er and158Dy (1984)
    Springer
    Czechoslovak journal of physics 34 (1984), S. 1179-1195 
    Details
    ISSN: 1572-9486
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Conclusions Our results confirm the fact that the CHFB + RPA model, originally introduced for high-spin states, can be successfully used in a low-spin region for the description of states near the yrast line. To get a better agreement with experimental data, one has to go beyond the scope of the RPA and to involve into the Hamiltonian also the terms of higher order in the boson expansion which lead to the mixing of states with different signature. This mixing is expected to play a role especially in the low-spin region. The inclusion of the residual interactions completely restoring the rotational symmetry of the total Hamiltonian (see [34]) into our model can also improve the results.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01590065
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  • 5
    Electronic Resource
    Electronic Resource
    Electron-microscopic characteristics of the dynamics of thymidine-H3 and uridine-H3 in the mouse epidermis (1974)
    Springer
    Bulletin of experimental biology and medicine 78 (1974), S. 1079-1083 
    Details
    ISSN: 1573-8221
    Keywords: thymidine-H3 ; uridine-H3 ; protein synthesis ; epidermis
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The dynamics of distribution of uridine-H3 and thymidine-H3 in the epidermis of C57BL mice was studied electron-microscopically between 2 and 24 h after their separate intraperitoneal injection. A high rate of incorporation of both labeled nucleosides was discovered and their localization was found to depend on the time of injection. Depending on the character of their distribution and the rate of incorporation into the epidermis three zones of active protein synthesis can be distinguished: the boundary zone between the epidermis and dermis, the layer of basal cells, and the granular layer. The character of distribution of the label in the late period after injection confirms electron-microscopic data on the active role of the nucleus and the cytoplasmic ribosomes in fibril synthesis in the basal and prickle cells and in keratohyalin formation in the cells of the granular layer. By determining the hourly changes in the distribution of the labels the stages of transport of the injected nucleosides or their metabolites could be followed from the subepidermal region into the cells of the epidermis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00796675
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  • 6
    Electronic Resource
    Electronic Resource
    Changes in the ultrastructure of the human epidermis on freezing (1976)
    Springer
    Bulletin of experimental biology and medicine 81 (1976), S. 458-461 
    Details
    ISSN: 1573-8221
    Keywords: epidermis ; freezing of tissues ; cell ultrastructure
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Samples of skin from middle-aged and old persons, taken at operation, were either frozen to −35°C for 24 h in a deep-freezer or repeatedly frozen and thawed on a freezing microtome at −70°C. Electron-microscopic examination of the samples showed dilatation of the intercellular spaces, destruction of the cell membranes, homogenization of the tonofibrils, a decrease in volume of the mitochondria, and partial destruction of their internal structure. The cell nuclei were particularly visibly injured chiefly in the upper layers of the epidermis, for the nuclear membrane was ruptured and masses of structureless nucleoproteins were liberated into the cytoplasm. Destruction and fragmentation of the cytoplasm and nuclear membrane were accompanied by the formation of myelin-like structures. Freezing to −70°C caused more severe changes in the fine structure of the epidermal cells with the formation of multiple empty spaces, evidently caused by ice crystals.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00804949
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  • 7
    Electronic Resource
    Electronic Resource
    Electron-microscopic investigation of isolated proteoglycans (1979)
    Springer
    Bulletin of experimental biology and medicine 87 (1979), S. 108-111 
    Details
    ISSN: 1573-8221
    Keywords: proteoglycans ; protein-chondroitin-keratan sulfate ; hyaluronic acid
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract Chemically isolated individual preparations of the unaggregated fraction of protein-chondroitinkeratan sulfate (PCKS) from hyaline cartilage and of hyaluronic acid (HUA) from the vitreous body of the eye and umbilical cord were investigated electron-microscopically. PCKS and HUA in films without cytochrome c consisted of granules and differed in their structural organization. In films with cytochrome c, proteoglycans appeared as a network of thin fibrils and they differed more clearly in their macromolecular organization. Complexes formed in mixtures of the two proteoglycans as a result of noncovalent interaction. Uranyl acetate stains proteoglycans well, especially PCKS without cytochrome c.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00833961
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  • 8
    Electronic Resource
    Electronic Resource
    Electron-microscopic study of various salts of proteoglycan aggregates (1988)
    Springer
    Bulletin of experimental biology and medicine 106 (1988), S. 1789-1792 
    Details
    ISSN: 1573-8221
    Keywords: proteoglycan aggregates ; salts of proteoglycans ; electron microscopy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00802198
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  • 9
    Electronic Resource
    Electronic Resource
    The shape of fast-rotating nuclei in the region of subshellN=82 (1983)
    Springer
    The European physical journal 314 (1983), S. 337-345 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The fast rotating erbium nuclei in the vicinity ofN=82 are investigated in the framework of the Strutinsky shell-correction method using the Woods-Saxon potential including non-axial hexadecapole deformations. The equilibrium deformation and moment of inertia are calculated for different spin values. The influence of nuclear temperature on the shell-effects is also discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01412930
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  • 10
    Electronic Resource
    Electronic Resource
    Regional and age-related properties of human skin dermis relative to the thickness of collagen bundles (1980)
    Springer
    Mechanics of composite materials 15 (1980), S. 767-770 
    Details
    ISSN: 1573-8922
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00605427
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