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  • 1975-1979  (30)
  • 1960-1964  (16)
  • 1
    Electronic Resource
    Electronic Resource
    2,6-Substituted homotropilidenes. Influence of substituents on valence topomerization (1976)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 98 (1976), S. 5014-5016 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja00432a053
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  • 2
    Electronic Resource
    Electronic Resource
    Separation of Traces of Zinc with Triisooctylamine and Its Spectrophotometirc Determination in Electrolytic Nickel. (1964)
    s.l. : American Chemical Society
    Analytical chemistry 36 (1964), S. 363-364 
    Details
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ac60208a035
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  • 3
    Electronic Resource
    Electronic Resource
    ANTIPARASITIC DRUGS. III. THIAMINE-REVERSIBLE COCCIDIOSTATS (1960)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 82 (1960), S. 2974-2975 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja01496a083
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  • 4
    Electronic Resource
    Electronic Resource
    Comparative Anthelmintic Efficacy of Thiabendazole and Mixtures of Phenothiazine and Phenzidole (1963)
    [s.l.] : Nature Publishing Group
    Nature 198 (1963), S. 309-310 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The geometric mean worm counts for each group of sheep are shown in Table 1. On the basis of these data, the anthelmintic activity of the various treatments demonstrated linear logarithmic dose-response relationships for Haemonchus, Ostertagia, Trichostrongylus, Nematodirus and immature worms. ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/198309a0
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  • 5
    Electronic Resource
    Electronic Resource
    Die Existenz zweier Neutrinoarten (1963)
    Springer
    Naturwissenschaften 50 (1963), S. 463-466 
    Details
    ISSN: 1432-1904
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Natural Sciences in General
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00632910
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  • 6
    Electronic Resource
    Electronic Resource
    Die Faktoren der inneren Umwandlung beim35Br80m (4,4 Std) (1960)
    Springer
    The European physical journal 158 (1960), S. 242-250 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The intensities of the 37keV- and 49keV-γ-rays of Br80m have been measured with the aid of Na J-scintillation spectrometers and compared with the intensity of the conversion electrons registered by an anthracene split crystal spectrometer. It was possible to separate the 49 keV-γ-radiation from the intense 37 keV-line by selctive absorption with balanced Sm- and Gd-filters. The internal conversion coefficientsα(49 keV)=298±30 andα (37 keV)=1,59±0,10 are in good agreement with the calculated values for M3- and E1-transitions. The half life was measured yielding a value ofT 1/2=(4,40±0,05) h.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01333037
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  • 7
    Electronic Resource
    Electronic Resource
    Die isomeren Atomkerne: Yb169m, Yb175m, Yb177m (1960)
    Springer
    The European physical journal 160 (1960), S. 201-212 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Short lived isomers of Yb were produced by neutron irradiation of enriched isotopes and have been investigated with the aid of scintillation spectrometers. Yb169m decays with a half-life ofT 1/2=(46±2) sec emitting only L-radiation. This decay is assumed to be the same as the E 3-transition of 24 keV following the electron capture of Lu169. Yb175m [T 1/2=(0,072±0,005) sec] emitsγ-rays of (495±15) keV. The measured K-conversion coefficientα K 495=0,24±0,04 and the total conversion coefficientα 4 5=0,6±0,3 indicate the transition to be M3. Yb177m [T 1/2=(6,4±0,1) sec] decays by a cascade of twoγ-rays. The isomeric (228±3) keV-transition is followed by a (104±1,5) keV-radiation. The measured conversion coefficients areα K 228=4,1±0,4 andα K 228=6,5±0,5 for the first transition andα K 104=0,39±0,05 andα 104=0,51±0,05 for the second, indicating a M3-E1-cascade. For the M 3-transition the measured coefficients agree well with those calculated for a nucleus of finite size, but they differ by a factor of 1,5 for the E1-transition.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01336982
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  • 8
    Electronic Resource
    Electronic Resource
    Der Zerfall des W183m (1961)
    Springer
    The European physical journal 162 (1961), S. 329-336 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Zusammenfassung W183m was produced by the reaction W182 (n, γ)W183m. The half life has been remeasured yielding a value of (5sd1±0·2) sec. With the aid of scintillation spectrometers fourγ-lines could be detected: two lines at about 100 keV, one at (161±3) keV and one at (211±4) keV. A new technique was used to obtain the energy of the isomeric state. The total transition energy of this state was measured by summing up all possible cascade transitions ofγ-rays and conversion electrons with a source between two halves of a CsJ crystal. The results are compared with the level scheme of W183 as measured byMurray et al. in theβ-decay of Ta183. A decay scheme of W183m is presented with the isomeric state at (310±4) keV and three known lower energy levels of W183 at 207keV, 99 keV and 46 keV. The main branch of the isomeric decay leads to the 207 keV-level most probably by an M2 transition.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01341979
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  • 9
    Electronic Resource
    Electronic Resource
    Der Zerfall des Co60m und Zr90m (1963)
    Springer
    The European physical journal 174 (1963), S. 206-221 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Co60m was produced by the reaction Co59 (n,γ) Co60m ; its decay has been investigated by scintillation spectrometers. The half-period has been remeasured yielding a value ofT 1/2=(10·35 ±0·20) min. The isomeric decay mainly leads to the Co60 ground state by a (58·6±0·6) keV transition. TheK-conversion coefficientα K= 41±3 and the total conversion coefficientα=47±3 indicate the transition to beM3 and the spin of Co60m to be 2+. Further Co60m decays by beta transitions to Ni60. The beta component (8·6±1·2)·10−3%, log ft=7·32 leading to a (2·16±0·02) MeV level has been measured for the first time. A second component (0·24±0·03)%, log ft=7·23 leads to the 1·33 MeV level. The 2·16 MeV level decays to the Ni60 ground state mainly by a 0·83–1·33 MeV cascade, in a few cases by a direct transition. The spin of the 2·16 MeV level is 2+. Zr90m was produced by the reaction Zr90 (n,n′) Zr90m . The half-period was measured yielding a value ofT 1/2=(0·83±0·03) sec. Zr90m decays in the following way: (77±5) % by a direct (2·31±0·02) MeV —E 5 transition to the Zr ground state and (23±5)% by a (132·5±1·5) keV-(2·18±0·03) MeV cascade detected for the first time in the isomeric decay. TheK-conversion coefficient of the 132·5 keV transition isα k=(2·2±0·3) indicating this transition to beE3 and the spin of the 2·18 MeV level to be 2+. The Zr90m -decay sheme is in accordance with the level sequence of Zr90 as measured in the Nb90 decay.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01381653
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  • 10
    Electronic Resource
    Electronic Resource
    The internal conversion of theN=81 Isotones139m Ce and141m Nd (1978)
    Springer
    The European physical journal 284 (1978), S. 157-160 
    Details
    ISSN: 1434-601X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A rapid gas-jet system was used for preparation ofβ −-samples of139m Ce and141m Nd. Conversion electrons and photons were detected simultaneously with absolutely calibrated detectors. Conversion coefficientsα K = 0.0732±0.0023 andα K=0.0824±0.0029, conversion ratiosK/L+...= 4.68±0.20 andK/L+...=4.58±0.23 were measured for139m Ce, and141m Nd, respectively. The calculated M4 values of Hager and Seltzer, and Dragoun et al. were confirmed within the experimental accuracy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01411322
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