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  • 1
    Electronic Resource
    Electronic Resource
    s.l. : American Chemical Society
    Langmuir 3 (1987), S. 1000-1004 
    ISSN: 1520-5827
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    New York, NY : American Institute of Physics (AIP)
    Physics of Fluids 2 (1990), S. 86-96 
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A study is made of the stability against localized perturbations of an idealized toroidal magnetostatic equilibrium. The principal new result is a corrected version of the so-called "ballooning transformation'' whereby periodic perturbations of the toroidal system are mapped onto aperiodic perturbations of the corresponding unbounded system.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Physics of Fluids 28 (1985), S. 505-516 
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A study is made of the guiding-center motion of charged particles in a collisionless magnetoplasma in the standard paraxial limit, with finite-orbit ordering. As a preliminary, a simple one-fluid representation of the macroscopic plasma motion is set up, and the guiding-center equations are then referred to a Lagrangian coordinate network comoving with the representative fluid. They are then found to split themselves off from the fluid equations as an autonomous subsystem. It is concluded that the fluid motion (or the network motion) has no effect on the guiding-center trajectories relative to the network.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Physics of Fluids 28 (1985), S. 3707-3707 
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    New York, NY : American Institute of Physics (AIP)
    Physics of Fluids 3 (1991), S. 1818-1829 
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A calculation is made of the energy loss by emission of shear-Alfvén and slow magnetoacoustic waves by a perfectly conducting solid spherical projectile moving with uniform velocity through an ideal magnetoplasma.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Physics of Fluids 29 (1986), S. 1854-1859 
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: For a collisionless, relativistic electron fluid, conditions on the velocity field are formulated which are necessary for the maintenance of pressure isotropy in the local fluid rest frame. A complete characterization of all velocity fields which satisfy these conditions is worked out in the nonrelativistic limit, and a few simple examples are given in the relativistic case.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Physics of Fluids 29 (1986), S. 1558-1577 
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The stability of axisymmetric tandem mirror plasmas with respect to interchange, rotational, and ballooning modes is investigated in the paraxial approximation. The stabilizing effects of finite orbits, rigid energetic fast-drifting electrons, nearby conducting walls, and line-tying by a cold plasma halo are incorporated. Numerical calculations are performed to construct equilibria with finite plasma pressure and to determine linear stability by integrating a two-dimensional, initial-value equation. These numerical calculations support and extend analytical results. Analytical and numerical stability criteria are obtained.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Physics of Fluids 29 (1986), S. 881-882 
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: It is shown that the generalized equation of state of a warm relativistic electron fluid reduces in the small-m/e limit to the well-known double adiabatic law of collisionless magnetohydrodynamics.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 89 (1993), S. 0 
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The ability of legume nodules to regulate their permeability to gas diffusion has been attributed to physiological control over the size and distribution of gas-filed intercellular spaces within the nodule cortex. To examine the size and distribution of intercellular spaces and to determine whether they were filled with gas (high diffusion permeability) or liquid (low diffusion permeability), whole nodules were frozen in liquid nitrogen slush (-210°C), and then either cryo-fractured or cryo-planed before being examined by cold-stage scanning electron microscopy (SEM). The cryo-planed tissue was found to have many advantages over cryo-fractured nodules in providing images which were easier to interpret and quantify. Intercellular spaces throughout the nodule were examined in both tangential and medial planed faces. Since no differences were observed between views in either the size or shape of the open intercellular spaces, it was concluded that the intercellular spaces of nodules were not radially oriented as assumed in many mathematical models of gas diffusion. The inner cortex region in the nodules had the smallest intercellular spaces compared to other zones, and less than 10% of the intercellular spaces were occluded with any type of material in the central zone regions. Vacuum infiltration of nodules with salt solutions and subsequent cryo-planing for SEM examination showed that open and water-filled intercellular spaces could be differentiated. The potential is discussed for using this method to study the mechanism of diffusion barrier regulation in legume nodules.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    [s.l.] : Nature Publishing Group
    Nature 268 (1977), S. 180-180 
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] IN an era of symposia and other multi-authored volumes, V. Raghavan deserves to be congratulated on producing this fine volume dealing with a very complex subject which has an immense literature. The reader is immediately impressed with the breadth of topics and the depth of treatment that most ...
    Type of Medium: Electronic Resource
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