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  • 1995-1999  (4)
  • 1998  (2)
  • 1997  (2)
  • 1
    Electronic Resource
    Electronic Resource
    A miniature probe enables clear demonstration of the cystic duct during laparoscopic cholecystectomy (1998)
    Springer
    Surgical endoscopy and other interventional techniques 12 (1998), S. 1186-1188 
    Details
    ISSN: 1432-2218
    Keywords: Key words: Laparoscopic cholecystectomy — Intraoperative ultrasonography — Miniature probe — Cystic duct — Bile duct injury
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. We performed intraoperative ultrasonography with a miniature probe to explore the biliary anatomy, especially the cystic duct, during laparoscopic cholecystectomy. By using this radial-type probe introduced into a hard metal sheath with a balloon at the end, the plane containing Calot's triangle can be scanned easily when the gallbladder is extracted to the right side, thereby facilitating the identification of the cystic duct as well as the common ducts. In 30 cases, no common duct stone was found and the cystic duct was clearly identified. This radial-type miniature probe can be used to locate the cystic duct and avoid inadvertant incision or division of the common ducts.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004649900814
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Colloidal behavior of carrier-free125mTe in aqueous solutions (1998)
    Springer
    Journal of radioanalytical and nuclear chemistry 231 (1998), S. 63-64 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract NaCl solutions containing carrier-free125mTe(IV) and125mTe(VI) have been prepared. The effect of the presence of various substances on the colloidal behavior of125mTe in solution has been studied by ultracentrifugation. It has been found that phosphate, sulfide and oxalate ions which complex with various elements decrease the colloidal formation of125mTe. In order to estimate the size of colloidal particles, the NaCl solutions containing carrier-free125mTe have been microfiltered through membrane filters with various pore size.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02388006
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Recoil implantation of7Be formed from ligands in metal β-diketonates (1997)
    Springer
    Journal of radioanalytical and nuclear chemistry 222 (1997), S. 105-108 
    Details
    ISSN: 1588-2780
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract A series of metal β-diketonates were irradiated with bremsstrahlung of maximum energy of 50 MeV and the recoil behavior of7Be, formed from12C of ligands through12C(γ, αn)7Be reaction, was investigated.7Be nuclides thus formed were detected partially as central metal atoms of the complexes. Complex yields of7Be were compared and an anomalously high yield was observed in tris-acetylacetonatocobalt(III) [Co(acac)3].
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02034255
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Separation of an isotope as a precursor of a gamma-raylaser medium (1997)
    Springer
    Hyperfine interactions 107 (1997), S. 101-128 
    Details
    ISSN: 1572-9540
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The nuclear isomer 178Hfm2, expected to be the most promising candidate for the gamma-ray medium, is rather difficult to produce in large quantities. There are a few ways to create this isomer, such as the irradiation of 179Hf with high-energy neutrons through the (n,2n) reaction, the irradiation of 176Yb with high-energy α particles through the (α,2n) reaction, the irradiation of 181Ta with protons through the (p,2p2n) reaction. In some of these reaction schemes the isotopically pure target works better than the natural one from the viewpoint of spectroscopic purity, handling of radioactive materials and productivity. However, isotope separation of heavy elements for producing a precursor as a target material is difficult in terms of cost/effectiveness. The atomic vapor laser isotope separation (AVLIS) method is expected as the most efficient way compared with the normal electromagnetic separation method.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1012091319228
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    Paper (German National Licenses)
    Fulltext
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