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  • 1
    Online Resource
    Online Resource
    Milton :CRC Press LLC,
    Keywords: Space sciences-Research-China. ; Electronic books.
    Description / Table of Contents: Space science in China is one of the most active areas in modern science, and China has played a dynamic and steadily increasing role in this field since the 1960s. Until recently, however, activity in China was a mystery to the rest of the world. With the commercial importance of space, and the fact that space is now used as a "laboratory" to carry out various experiments, China has recently emerged as an important international competitor. Space Science in China provides a clear understanding of the latest research and progress in such wide-ranging areas as the development and research in solar-terrestrial science, space astronomy, geoscience, remote sensing, microgravity science, and life science.
    Type of Medium: Online Resource
    Pages: 1 online resource (452 pages)
    Edition: 1st ed.
    ISBN: 9781351415392
    Series Statement: Earth Space Institute Book Series
    DDC: 500.5/0951
    Language: English
    Note: Cover -- Half Title -- Series Page -- Title Page -- Copyright Page -- Table of Contents -- Preface -- Contributors -- I: Introduction -- 1: Space Science in China - Progress and Prospects -- 2: Space Technology in China - An Overview -- II: Space Astronomy -- 3: Space Observation of Hard X-Rays -- 4: Space Astronomy in China -- 5: Astronomical Research Based on Space-Borne Observation -- 6: Solar Flare Research Based on Space Observations -- III: Space Physics -- 7: Interplanetary Physics -- 8: Magnetospheric Physics -- 9: Space Detection in China -- 10: Earth's Magnetic Activity -- 11: Ionospheric Physics -- IV: Space Earth Science -- 12: Recent Advances in the Middle Atmosphere Research of China -- 13: Remote Sensing and its Application -- 14: The Development of China's Meteorological Satellite and Satellite Meteorology -- 15: Global Change Research in China -- 16: Past Climate in China - Derived from Ancient Writings -- V: Microgravity Science -- 17: Microgravity Fluid physics -- 18. Drop Facility and Microgravity Combustion -- 19: Space Materials Science -- 20: GaAs Single Crystal Growth in Space -- 21: Liquid Management Under Microgravity Environment -- VI: Space Life Science -- 22: Space Medical Research in China -- 23: Simulations and Experiments of Space Biology -- 24: Protein Crystal Growth in Space -- 25: Cell Cultivation in Space -- Index.
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  • 2
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Chinese Astronomy and Astrophysics 8 (1984), S. 194-200 
    ISSN: 0275-1062
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Chinese Astronomy and Astrophysics 16 (1992), S. 111 
    ISSN: 0275-1062
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Astrophysics and space science 92 (1983), S. 395-415 
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Based on the Paper I (Hu, 1983a), the piston model suggested for the coronal transient. The piston may consist of the eruptive prominence and the preceding compressed magnetic field region, and the moving piston is considered to be the driving source of the coronal transient. There is the compressed flow region ahead the piston and the rarefaction region behind the piston. In this paper, two analytical solutions are discussed in finite regions of piston model. A consistent solution of the ideal magnetohydrodynamical equations including the gravity is obtained for the two-dimensional unsteady configuration in which density and magnetic field are time dependent. Gravity, Lorentz and inertial forces are balanced by the pressure gradient. The analysis gives a consistent radial velocityu(t) which agrees with the typical velocity of eruptive prominence. The density profile is proportional to 1/r and propagates outward with the velocityu. This solution may be applied to the piston region of moving plasma and magnetic field. Furthermore, the compressed flow driven by the piston is discussed. The consistent solution of gasdynamical equations including solar gravity is obtained for the unsteady and two-dimensional configuration, which is applied to the region between the piston and shock wave. This solution may satisfy the jump conditions of shock wave, which separates the region of compressed flow and quiet corona.
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Astrophysics and space science 90 (1983), S. 391-403 
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The non-axisymmetric and nonlinear solutions of the magnetostatic equations are given in three-dimensional space of spherical coordinates (r, θ, ϕ). These solutions are applied to the large-scale solar magnetic field. Their basic features are similar to a dipole field near the polar regions and the polarity reverses near the equator. These features agree with observations for the large-scale solar magnetic field. The solutions can also be applied to investigating the connection between the structure of the magnetic field and the density distribution of the corona. It is shown that the tops of the closed magnetic field associate with density enhancements. Similar results may apply to the large-scale configuration of the stellar field.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Astrophysics and space science 97 (1983), S. 353-367 
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In Paper I (Hu, 1982), we discussed the the influence of fluctuation fields on the force-free field for the case of conventional turbulence and demonstrated the general relationships. In the present paper, by using the approach of local expansion, the equation of average force-free field is obtained as (1+b)∇×B 0=(α#x002B;a)B 0#x002B;a (1)×B 0#x002B;K. The average coefficientsa,a (1),b, andK show the influence of the fluctuation fields in small scale on the configurations of magnetic field in large scale. As the average magnetic field is no longer parallel to the average electric current, the average configurations of force-free fields are more general and complex than the usual ones. From the view point of physics, the energy and momentum of the turbulent structures should have influence on the equilibrium of the average fields. Several examples are discussed, and they show the basic features of the fluctuation fields and the influence of fluctuation fields on the average configurations of magnetic fields. The astrophysical environments are often in the turbulent state, the results of the present paper may be applied to the turbulent plasma where the magnetic field is strong.
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Astrophysics and space science 98 (1984), S. 171-189 
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The influence of the momentum addition, which may be associated with the average or fluctuation transverse component of the magnetic field or others, on the acceleration the solar wind or stellar wind is studied in a local streamtube. The results show that the larger the momentum addition the stronger the acceleration of the wind. For example, if the typical transverse magnetic field is about 0.1 of the longitudinal field, the velocity of the solar wind at 1 AU may be increased by 40%. The coronal hole may be considered as a streamtube, the presence of a high stream from the coronal hole may be explained by the existence of an average or fluctuation transverse magnetic field in the streamtube. A similar conclusion may be applied to the polar region, where the velocity of the solar wind will be larger than elsewhere as if there is a transverse component of magnetic field, as well as to the stellar wind. The influence of other parameters on the acceleration of the solar wind is also discussed. From the viewpoint of the solar wind mechanism, the present paper shows that the momentum addition in the subsonic flow region can increase the velocity of the solar wind at 1 AU.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    Astrophysics and space science 85 (1982), S. 351-360 
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The consistent equations for random force-free magnetic fields are obtained from the fluctuation and average equations of both momentum and induction ones based on the statistical approach. Some features of average force-free fields are discussed. This idea may be applied to explain many configurations of magnetic field in the astronomical environment.
    Type of Medium: Electronic Resource
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  • 9
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Chinese Astronomy 1 (1977), S. 51-62 
    ISSN: 0146-6364
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Astrophysics and space science 208 (1993), S. 253-260 
    ISSN: 1572-946X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract This paper extends two-dimensional model of symmetric magnetostatic flux arches confined in stratified atmospheres (Zhang and Hu, 1992, 1993) to asymmetric models. Numerical results show that the flux structure is influenced greatly by the boundary condition of magnetic field, the force-free factor, the atmospheric pressure distribution and the position of footpoints (especially the width ratio of outlet to entrance, which differs from symmetric case).
    Type of Medium: Electronic Resource
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