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  • 1
    Electronic Resource
    Electronic Resource
    Rotational bands in 167Hf (1999)
    Springer
    The European physical journal 6 (1999), S. 37-42 
    Details
    ISSN: 1434-601X
    Keywords: PACS: 23.20.Lv Gamma transitions and level energies – 27.70.+q 150 〈 A 〈 189
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: High-spin states in 167Hf, populated in the 141Pr(30Si, p3n)167Hf reaction, have been studied using the nordball Ge detector array. Three rotational cascades have been observed for the first time and the previously-known level scheme has been extended to significantly higher spin. Band-crossing effects are discussed within the framework of Woods-Saxon cranking calculations and are found to be in good agreement.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100500050314
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    On coronal Fe abundances and temperatures from XUV emission lines (1977)
    Springer
    Solar physics 53 (1977), S. 435-444 
    Details
    ISSN: 1573-093X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Data obtained by the OSO-7 spectroheliograph on strong XUV lines of five, different Fe ions from the outer equatorial corona are presented. Interpretation of the data with a spherically symmetric model atmosphere gives average ion abundances for lines of sight at 0.3R ⊙ from the limb. Fe xvi is usually more abundant than Fe xv, xiv, xii and ix, but there are times when Fe xii is more abundant than the other ions. The deviation of measured relative abundances of Fe xii, xiv, and xvi from predictions of ionization equilibrium at one temperature seems to indicate that there are appreciable temperature variations along lines of sight. Element abundances are very uncertain since they appear to depend so heavily on likely but unknown density irregularities along lines of sight.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00160286
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Log transformations in geochemistry (1977)
    Springer
    Mathematical geology 9 (1977), S. 191-198 
    Details
    ISSN: 1573-8868
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Mathematics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02312512
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    First observation of excited states in 197At: the onset of deformation in neutron-deficient astatine nuclei (1999)
    Springer
    The European physical journal 5 (1999), S. 43-47 
    Details
    ISSN: 1434-601X
    Keywords: PACS:23.20.Lv Gamma transitions and level energies – 27.80.+w 190 ≤ A ≤ 219
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: Excited states in the Z= 85 nucleus 197At have been identified for the first time using the recoil-decay-tagging (RDT) technique. The excitation energy of these states is found to be consistent with the systematics of neutron-deficient astatine nuclei and with theoretical calculations indicating that the nucleus may be deformed in its ground state.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100500050254
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  • 5
    Electronic Resource
    Electronic Resource
    The use of image analysis to study the effects of residues of esfenvalerate on the locomotory behaviour of Panonychus ulmi and Typhlodromus pyri (Acari: Tetranychidae, Phytoseiidae) (1999)
    Springer
    Experimental and applied acarology 23 (1999), S. 1-9 
    Details
    ISSN: 1572-9702
    Keywords: Image analysis ; locomotory behaviour ; European red mite (Panonychus ulmi) ; Typhlodromus pyri ; esfenvalerate.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The influences of esfenvalerate on mite behaviour were investigated by image analysis. Video recordings of the locomotory behaviour of two mite species were converted into a series of x,y coordinates that, when joined, closely resembled their paths. These coordinates were used to calculate walking speed, direction of travel, turning frequency, turn bias and tortuosity. Two experimental arenas were used: (1) a leaf disc arena for the European red mite, Panonychus ulmi and (2) a glass coverslip arena for Typhlodromus pyri. The behavioural responses of P. ulmi and T. pyri to esfenvalerate (field rate) indicated that these mites did not show a preference for the unsprayed halves of the arenas during the first 48 min. However, significant differences between most of the behavioural parameters to esfenvalerate residues were found with P. ulmi when whole arenas were compared. © Rapid Science Ltd. 1998
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006140509101
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  • 6
    Electronic Resource
    Electronic Resource
    Redeposition: a factor in ion-beam etching topography (1977)
    Springer
    Journal of materials science 12 (1977), S. 1125-1133 
    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 The design of high performance SAW resonators and reflection pulse compression filters using grooves as the reflective arrays requires that the profiles of the grooves be rectangular and reproducible. The use of neutralized ion-beam technology has largely been adopted for etching these grooves in quartz and lithium niobate because of the precision and control which can be exercised in its use. The experimental work presented here asserts the major contribution that redeposition makes in the evolution of ion-beam etched topography of amorphous, polycrystalline and crystalline materials in a way which is directly useful to the determination of groove profiles. Data are also presented on the relationship between the incidence angle of the ion beam and the etch rate of some important SAW materials indicating the connection between this function and the etching characteristics of the materials.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02426849
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    Paper (German National Licenses)
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  • 7
    Electronic Resource
    Electronic Resource
    Redeposition: a factor in ion-beam etching topography (1977)
    Springer
    Journal of materials science 12 (1977), S. 1125-1133 
    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 The design of high performance SAW resonators and reflection pulse compression filters using grooves as the reflective arrays requires that the profiles of the grooves be rectangular and reproducible. The use of neutralized ion-beam technology has largely been adopted for etching these grooves in quartz and lithium niobate because of the precision and control which can be exercised in its use. The experimental work presented here asserts the major contribution that redeposition makes in the evolution of ion-beam etched topography of amorphous, polycrystalline and crystalline materials in a way which is directly useful to the determination of groove profiles. Data are also presented on the relationship between the incidence angle of the ion beam and the etch rate of some important SAW materials indicating the connection between this function and the etching characteristics of the materials.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00553602
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
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