学科筛选

  • 8. The interpretation of the magneto-ionic theory

  • 【来源】

    [外文期刊]

  • 【作者】

    K.C. Westfold 

  • 【摘要】

    Some notable features of the Appleton-Hartree formula when collisions are neglected lead to a study of particular approximate solutions of the quadratic equation that determines the complex refractive...

  • 10. The erratics of the English Chalk

  • 【来源】

    [外文期刊]

  • 【作者】

    L. Hawkes 

  • 【摘要】

    A description is given of the Th. Wiltshire and G.E. Dibley Collections of erratics from the Chalk comprising 388 stones. Most of the specimens are small, from ? to 5 cm. in length, only twenty are mo...

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