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  • 2020-2023  (1)
  • 1975-1979  (107)
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  • 11
    Electronic Resource
    Electronic Resource
    Polymelie (Pygomelie) beim Rotfuchs (Vulpes vulpes) (1976)
    Springer
    European journal of wildlife research 22 (1976), S. 105-109 
    Details
    ISSN: 1439-0574
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Description / Table of Contents: Summary A report is made about a case of polymelie (pygomelie) in red fox. The malformation is illustrated with photographs, an X-ray, and a reconstructed skeleton. The additional appendage begins at the pelvis; the bones, often greatly reduced, are described. Mention is made of the occurrence of accessory extremities at the same place in man, cattle and roe deer. The causes of the polymelie are not known.
    Abstract: Résumé If est rendu compte d'un cas de Polymélie (Pygomélie) chez un Renard (Vulpes vulpes). La malformation est documentée par une photographie et une radiographie du cadavre de même que par un montage du squelette. Les membres supplémentaires se développent au niveau du bassin; une description est donnée de leurs os, dont plusieurs sont fortement réduits. On fait état de l'apparition, à ce niveau, d'extrémités accessoires chez l'Homme, le Bovidé et le Chevreuil. Les causes de la Polymélie ne sont pas encore connus.
    Notes: Zusammenfassung Es wird über einen Fall von Polymelie (Pygomelie) beim Rotfuchs (Vulpes vulpes) berichtet. Die Mißbildung wird durch Photographie und Röntgenaufnahme der Tierleiche sowie durch ein montiertes Skelettpräparat belegt. Die zusätzliche Gliedmaße setzt am Becken an; ihre zum Teil stark reduzierten Knochen werden beschrieben. Auf das Vorkommen akzessorischer Extremitäten an der o. g. Stelle beim Menschen, Rind und Reh wird hingewiesen. Die Ursachen der Polymelie sind noch nicht bekannt.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01905004
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  • 12
    Electronic Resource
    Electronic Resource
    Buchbesprechungen (1978)
    Springer
    Colloid & polymer science 256 (1978), S. 167-168 
    Details
    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
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01679175
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  • 13
    Electronic Resource
    Electronic Resource
    The decay of 31 sec98Zr, 2.9 sec98Nb and 51 min98Nb (1976)
    Springer
    The European physical journal 276 (1976), S. 393-402 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract TheΒ- andγ-radiations of98Zr and98m, g Nb have been investigated employing scintillation and semiconductor spectrometers and coincidence techniques. Sources of98Nb were produced by the98Mo(n, p)98Nb reaction, sources of98Zr by fission of235U with thermal neutrons applying chemical separations. For98Zr, a half-life of 30.7±0.4 sec and aQ β-value of 2.3±0.2 MeV were obtained, for the98Nb isomers, half-lives of 2.86±0.06 sec and 51.3±0.4 min, andQ β-values of 4.8±0.2 MeV and 4.5±0.2 MeV, respectively. Noγ-rays were observed in the decay of98Zr. The decay of 2.9 sec98Nb was found to involve 11γ-ray transitions. In the decay of 51 min98Nb, 54γ-transitions were detected. Spin and parity of 1+ and 4− were deduced for the isomeric states of98Nb.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01548309
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  • 14
    Electronic Resource
    Electronic Resource
    The penetration parameter λ of the anomalousM1-conversion of the 482 keV transition in181Ta (1977)
    Springer
    The European physical journal 282 (1977), S. 39-48 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Byγ- e K − ande K − -γ TDPAC measurements with the 133 keV–482 keV cascade of181Ta in a polycrystalline beryllium matrix theA 2(e K − )-coefficient of the 482 keV transition was determined as: A2(482e K − )=−0.095±0.015. The theoretical value is 6.0 times larger. A remeasurement of the E2/M1 mixing ratio of the same transition by integralγ- γ angular correlation measurements with a system of three 20 ccm Ge(Li)-detectors gave the result:δ(482)=4.96±0.25. Theα K -coefficient was redetermined as:α K (482)=0.0246±0.0018. From these data the penetration parameter:λ=157±11 is derived and compared with previously published values and theoretical estimates.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01881004
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  • 15
    Electronic Resource
    Electronic Resource
    The temperature dependence of the hyperfine interaction of the transition metal osmium in a gadolinium host matrix (1978)
    Springer
    The European physical journal 29 (1978), S. 223-230 
    Details
    ISSN: 1434-6036
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Integral perturbed angular correlations of the 931-155keVγγ-cascade of188Os in Gd have been measured. With this technique the combined magnetic and electric hyperfine interaction of the 155 keV level of188Os as an impurity in a Gd host has been studied as a function of temperature. The result for the electric field gradient of Os in Gd at 300 K is: $$\left| {V_{zz} \left( {Os:\underline {Gd} } \right)} \right| = \left( {12.8_{ - 1.9}^{ + 3.1} } \right) \cdot 10^{17} {V \mathord{\left/ {\vphantom {V {cm^2 }}} \right. \kern-\nulldelimiterspace} {cm^2 }}.$$ For the magnetic hyperfine field at 4.2 K the value $$H_{hf} \left( {Os:\underline {Gd} } \right) = - 134\left( {26} \right)kG$$ was obtained. Sign and magnitude of the magnetic hyperfine field suggest the existence of a localized moment of about −0.4 µ B at the site of Os in Gd. With increasing temperature the magnetic hyperfine field decreases much stronger than the magnetization of the host. Possible explanations for this anomalous temperature dependence are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01321186
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  • 16
    Electronic Resource
    Electronic Resource
    Ein Cohen-Macaulay-Kriterium mit Anwendungen auf den Konormalenmodul und den Differentialmodul (1978)
    Springer
    Mathematische Zeitschrift 163 (1978), S. 149-162 
    Details
    ISSN: 1432-1823
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01214062
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  • 17
    Electronic Resource
    Electronic Resource
    A one-dimensional SiGe superlattice grown by UHV epitaxy (1975)
    Springer
    Applied physics 8 (1975), S. 199-205 
    Details
    ISSN: 1432-0630
    Keywords: One-dimensional superlattice ; Misfit dislocations ; Nucleation of films ; UHV epitaxy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract One-dimensional SiGe superlattices with periods ranging from 100 to 800 Å have been deposited on Si substrates by periodically varying the Ge content of a mixed Si1-x Ge x multilayer structure fromx=0 tox=0.15. The deposition was successful, employing and UHV evaporation technique at a substrate temperature of 750°C fulfilling the four conditions: Single crystal growth, no interdiffusion, two-dimensional growth, and pseudomorphic growth. It is shown that mismatch above 8 · 10−3 favours growth by three-dimensional nucleation. The experimentally determined spacing of misfit dislocations is compared with theoretical results obtained by van der Merwe. The pseudomorphic growth behaviour of layers thinner than a critical thickness could be confirmed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00896611
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  • 18
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    Unknown
    The Prediction of Preference for Familiar Urban Places (1976)
    Beverly Hills, Calif. : Periodicals Archive Online (PAO)
    Environment and behavior. 8:4 (1976:Dec.) 627 
    Details
    ISSN: 0013-9165
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Psychology
    URL: http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pao:&rft_dat=xri:pao:article:f117-1976-008-04-000008
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  • 19
    Electronic Resource
    Electronic Resource
    Alternative pollution control strategies: Equity, efficiency and information requirements (1977)
    Springer
    The annals of regional science 11 (1977), S. 1-20 
    Details
    ISSN: 1432-0592
    Source: Springer Online Journal Archives 1860-2000
    Topics: Architecture, Civil Engineering, Surveying , Geography , Economics
    Notes: Abstract Although the practice of environmental responsibility will affect aggregate economic growth (as measured by GNP), the burden of this policy at the national level will be modest. On the other hand, the distribution of this responsibility will certainly not impose equal hardship on all waste dischargers. At the present time, however, little substantive information is available on the distributional aspects of environmental controls. This paper examines intraregional assignments of waste treatment responsibility within a natural region--a river basin. Alternative management programs and corresponding effluent taxes are considered. Each program is developed within the general framework of a water quality management model and is designed to minimize the total regional cost of waste treatment subject to program constraints (information availability) and water qualify standards. An assessment of the relative efficiency and equity of these programs is made within a water quality management simulation of the Patuxent River in Maryland.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01287765
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  • 20
    Electronic Resource
    Electronic Resource
    Cytochemical detection of catalase with 3,3′-diaminobenzidine (1979)
    Springer
    Histochemistry and cell biology 64 (1979), S. 51-66 
    Details
    ISSN: 1432-119X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The influence of various parameters of fixation and incubation upon the oxidation of DAB by catalase have been analyzed. Crystalline beef liver catalase was fixed with different concentrations of glutaraldehyde and peroxidatic activity was determined spectrophotometrically using DAB as hydrogen donor. Although aldehyde fixation appeared to be important in elicitation of the peroxidatic activity of catalase, the final pigment production after 60 min incubation was optimal with the lowest concentration of glutaraldehyde (1%), after the shortest fixation period (30 min), and at the lowest temperature (5° C) tested. Similarly cytochemical studies with rat kidney sections incubated for 10 min confirmed that the staining of peroxisomes in proximal tubules was strongest after the “mildest” fixation conditions. The pH and the temperature of incubation were closely interrelated, so that at room temperature (25° C) the maximal pigment production was obtained at pH 10.5 but incubation at 45° C gave the strongest staining at pH 8.5. The production of pigment increased with higher DAB concentrations which required larger amounts of H2O2 in the incubation medium. Cytochemical studies on renal peroxisomes were in agreement with these biochemical findings. The observations indicate that there are several options for the localization of catalase depending on the fixation and incubation conditions. Hence, these conditions should be selected according to the tissue and the purpose of the study. Examples for such selective applications are presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00493354
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