| http://www.w3.org/ns/prov#value | - molybdenum,wherein 0.1≦p≦0.6; 0.01≦q≦0.6; 0.01≦r≦0.6; 0≦s≦1; and n is a number determined by the valence requirements of the other elements present, said compound oxide exhibiting an X-ray diffraction pattern satisfying the following relationship (2): 0.40≦R≦0.75 (2) wherein R represents the intensity rati
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