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  • 25.75.+r  (1)
  • Placebo treatment  (1)
  • Recombination  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Relativistic effects in heavy-ion collisions at SIS energies (1995)
    Springer
    The European physical journal 351 (1995), S. 59-69 
    Details
    ISSN: 1434-601X
    Keywords: 25.75.+r
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The covariant and non-covariant Quantum Molecular Dynamics models are applied to investigate possible relativistic effects in heavy ion collisions at SIS energies. These relativistic effects which arise due to the full covariant treatment of the dynamics are studied at bombarding energiesE lab=50, 250, 500, 750, 1000, 1250, 1500, 1750 and 2000 MeV/nucl. A wide range of the impact parameter fromb=0 fm tob=10 fm is also considsered. In the present study, five systems12C-12C,16O-16O,20Ne-20Ne,28Si-28Si and40Ca-40Ca are investigated. The full covariant treatment at low energies shows quite good agreement with the corresponding non-covariant whereas at higher energies it shows less stopping and hence less thermal equilibrium as compared to the non-covariant approach. The collisions dynamics is less affected. The density using RQMD rises and drops faster than with QMD. The relativistic effects show some influence on the resonance matter production. Overall, the relativistic effects at SIS energies (≦2000 MeV/nucl.) are less significant.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01292786
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Genetic analysis of particular aspects of intergenic conversion in Schizosaccharomyces pombe (1987)
    Springer
    Current genetics 12 (1987), S. 119-125 
    Details
    ISSN: 1432-0983
    Keywords: S. pombe ; Intergenic conversion ; Recombination
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The phenomenon of intergenic conversion (information transfer between dispersed but sequence-related genetic elements embedded in non homologous environments) has been demonstrated clearly in S. pombe as well as in other organisms. By analysing four particular aspects of intergenic conversion in S. pombe we reach the following conclusions: (1) The events are not RNA-mediated since transcription-deficient members of the serine tRNA gene family studied are as productive in intergenic information transfer as transcription-proficient members, (2) Intergenic recombination is not a reciprocal but a non-reciprocal process, (3) Intergenic conversion occurring at a particular locus does not influence crossing-over in the intervals adjacent to that locus, and (4) During meiosis the process occurs at the replicated (chromatid) stage rather than at the unreplicated (chromosome) stage.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00434666
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Experimental comparison between the effect of standardized trazodone-amitriptyline and placebo treatment in vitalized depressive patients (1988)
    Springer
    Psychopharmacology 95 (1988), S. S3 
    Details
    ISSN: 1432-2072
    Keywords: Trazodone ; Amitriptyline ; Placebo treatment
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We are performing a double-blind trial with inward psychiatric patients. The indication for our psychotropic or psychotherapeutic intervention is mainly severe depression (=major depressive disorders DSM III). For a 3-week trial course trazodone (400 mg daily), amitriptyline (150 mg/die) or placebo capsules were given at random. All patients received the same type of cognitive behaviour therapy. The test battery consists of CGI, BPRS, HAMD, HAMA and AMDP; adverse drug reactions are documented as “free reports” (=freier Nebenwirkungsbericht). The interim results (until March 1987) will be presented. Our investigation indicates that it is probable that the trazodone treatment we used is equivalent to corresponding amitriptyline treatment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00172621
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    Paper (German National Licenses)
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