The New Encyclopædia BritannicaEncyclopædia Britannica, 1992 |
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Page 24
... beryllium silicate , zinc and cadmium borates , and cadmium phosphates , be- come efficient phosphors when activated with manganese ions , emitting in the red to green region of the spec- trum . They have been incorporated into colour ...
... beryllium silicate , zinc and cadmium borates , and cadmium phosphates , be- come efficient phosphors when activated with manganese ions , emitting in the red to green region of the spec- trum . They have been incorporated into colour ...
Page 606
... beryllium , sodium , and the many others classified as metals arises from the non- localized nature of the valence electrons in these solids . When an atom is brought into a metallic crystal , those properties of the valence electrons ...
... beryllium , sodium , and the many others classified as metals arises from the non- localized nature of the valence electrons in these solids . When an atom is brought into a metallic crystal , those properties of the valence electrons ...
Page 623
... beryllium . Alone , intermediates will not form glasses ; however , they do so in combination with glass formers . Intermediates can enter the network if a suitable modifier oxide is available ; if not , they act , themselves , as ...
... beryllium . Alone , intermediates will not form glasses ; however , they do so in combination with glass formers . Intermediates can enter the network if a suitable modifier oxide is available ; if not , they act , themselves , as ...
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