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  • 11
    Electronic Resource
    Electronic Resource
    Live recombinant vaccines for poultry
    Amsterdam : Elsevier
    Trends in Biotechnology 7 (1989), S. 273-277 
    Details
    ISSN: 0167-7799
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1016/0167-7799(89)90046-2
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  • 12
    Electronic Resource
    Electronic Resource
    Relativistic theory of the Moon's motion (1976)
    Springer
    Celestial mechanics and dynamical astronomy 13 (1976), S. 151-176 
    Details
    ISSN: 1572-9478
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Relativistic corrections for the elements and coordinates of the Moon have been obtained in the framework of the PPN-formalism. The influence of the coordinate conditions on the observational effects was studied.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01232722
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  • 13
    Electronic Resource
    Electronic Resource
    Variable constant of gravitation and celestial mechanics (1970)
    Springer
    Celestial mechanics and dynamical astronomy 2 (1970), S. 237-252 
    Details
    ISSN: 1572-9478
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In the present paper the celestial mechanics consequences (light deflection, radar ranging of the planet, geodetic precession and secular effects in the orbital elements in the two-body problem) for the class of the theories based on the vacuum Jordan's Lagrangian has been considered. In these theories the gravitational constantG is proportional to ϕ−η, ϕ being a scalar field and η, some dimensionless parameter and the local law of conservation of the energy-momentum tensor holds. Of all these theories with different η the most interesting one is that corresponding to η=0. In the postnewtonian approximation this gravitational theory is completely equivalent to the general theory of relativity.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01229498
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    Paper (German National Licenses)
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  • 14
    Electronic Resource
    Electronic Resource
    On the possibility of creating a radio-astronomical inertial coordinate system based on the measurement of arcs between QSOs with the aid of VLBI (1975)
    Springer
    Astrophysics and space science 38 (1975), S. 255-266 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Description / Table of Contents: Abstract The aim of this paper has been to discuss a possibility of the formation of an inertial system of coordinates, precise within 0″.001, with the aid of the measures of mutual angular distances of quasars by the VLBI technique used in radio-astronomy. Such a system depends on neither the rotation, nor revolution of the Earth around the Sun — a fact which permits a separation of the astronomical and geophysical aspects of the problem. The proposed system should permit us to resolve some general astrometric problems — such as of the precession and nutation of the Earth as well as of the motion of the terrestrial axis of rotation within the Earth, or fluctuations in the angular veoocity of terrestrial rotation.
    Notes: Résumé Dans ce travail on discute le possibilité de formation du système précis (0″,001) inértial de coordonnées à l'aide de mésure de distances angulaires mutuels entre des quasars utilisant la technique radioastronomique de VLBI. Ce système ne depend pas de mouvement terrestre héliocentrique ainsi que de la rotation propre de terre. Ce dernière propriété permet de séparer les problèmes astrométriques et géophysiques. Le système proposé donne la possibilité de résoudre les problèmes générales astrométriques — l'étude de mouvement terrestre de précession et de nutation, de mouvement d'axe terrestre dans le corps de terre et l'étude de variation de la vitesse angulaire de terre.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00647126
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    Paper (German National Licenses)
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  • 15
    Electronic Resource
    Electronic Resource
    Tropospheric limitations in phase and frequency coordinate measurements in astronomy (1979)
    Springer
    Astrophysics and space science 60 (1979), S. 251-265 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In the framework of power-model of the structure function, the tropospheric limitations of accuracy of coordinate measurements, using phase and fringe frequency are shown. The general formulae, numerical estimates and a comparison between absolute and differential methods are given. It is shown that the tropospheric limitations are especially considerable for coordinate measurements, using fringe frequency.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00644330
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  • 16
    Electronic Resource
    Electronic Resource
    The ‘naked’ singularity in the scalar-tensor gravitation theory (1978)
    Springer
    Astrophysics and space science 57 (1978), S. 371-380 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The complete analysis of possible types of non-relativistic and ultra-relativistic motions in the field of the ‘naked’ singularity of the STGT is given. The problem of the infall of a monochromatic radiation emitter on the ‘naked’ singularity is studied. In spite of the absence of a ‘freezing’ effect in the STGT, the ‘naked’ singularity is not observable, for the brightness of the falling emitter decreases much faster than in the GTR. Atr≳r g , the trajectory of particles and light are quite similar to that of the GTR, and due to this fact the ‘naked’ singularity is observationally indistinguishable from a black hole.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00639330
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    Paper (German National Licenses)
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  • 17
    Electronic Resource
    Electronic Resource
    On the uniqueness of image reconstruction from the amplitude of radiointerferometric response (1983)
    Springer
    Astrophysics and space science 92 (1983), S. 31-36 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The theorem is proved that presents a rigorous foundation of the possibility of unique reconstruction of the radio-image of the sourceI(r) from the modulus of visibility function |V(b|=|Î(r)|. This results gives a rigorous explanation of the efficiency of different numerical methods of the image reconstruction using only amplitude data which are widespread in radio-astronomy.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00653585
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    Paper (German National Licenses)
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  • 18
    Electronic Resource
    Electronic Resource
    Relativistic reductions for radiointerferometric observables (1983)
    Springer
    Astrophysics and space science 94 (1983), S. 233-247 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The special and general relativistic corrections for the basic radiointerferometric observables —time-delay and fringe frequency — are studied with an accuracy of the order of 5×10−10 (‘post-Newtonian approximation’).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00653714
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  • 19
    Electronic Resource
    Electronic Resource
    Ursache und Bedingungen (1913)
    Springer
    Naturwissenschaften 1 (1913), S. 360-361 
    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/BF01802073
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  • 20
    Electronic Resource
    Electronic Resource
    The singularities in quantum cosmology (1987)
    Springer
    Astrophysics and space science 137 (1987), S. 73-76 
    Details
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract A cosmological model is proposed, in which quantum effects lead to infinitely many terms nonlinear in curvature, and these terms lead to the following conclusion: the physical singularity (i.e., a state with infinite matter densityp) occurs int≃10−43 s, when the curvature is finite. An attempt is made to give physical interpretation of this model from the viewpoint of the ‘foam-like’ model of space-time.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00641620
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