学科筛选

  • 8. Weak ferromagnetism of YCrO3

  • 【来源】

    [外文期刊]

  • 【作者】

    V.M. Jüdin and A.B. Sherman 

  • 【摘要】

    Temperature dependence of magnetic moments along principal cyrstallographic axes have been investigated on orthorhombic single crystlas of YCrO3 of perovskite-type structure (space group Pbnm ). It is...

  • 13. Volcano survey

  • 【来源】

    [外文期刊]

  • 【作者】

    H. Tazieff 

  • 【摘要】

    Summary A short review is made of the main means of investigation of eruption forecast, used in the few existing, accurately staffed volcanological observatories as well as during sporadic expeditions...

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