A PHASE EQUILIBRIUM STUDY ON SYSTEMS Sm2O3-BeO, Ho2O3-BeO AND Y2O3-BeO

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<正> The phase equilibrium relationships in the systems Sm2O3-BeO, Ho2O3-BeO and Y2O2-BeO have been studied by the quenching method together with microscopic and X-ray powder techniques as those described in detail in previous publications. The phase
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