| 摘要 |
The present invention provides a composition of matter having the formula AxB1-xVyC1-yP3O10-15 wherein A is Nb or Ta, B is Sb, C is Ti or Sn, and 0</=x,y</=1, a composition of matter having the formula MzAxB1-xVyC1-yP3O10-15 wherein M is selected from the group consisting of Cu, Ag, Na, K, and Cs, A is Nb or Ta, B is Sb, C is Ti or Sn, and 0</=x,y,z</=1, a composition of matter having the formula MzAxB1-xVyC1-yP3-nSinO10-15 wherein M is selected from the group consisting of Cu, Ag, Bi, Na, K, Rb, and Cs, A is Nb or Ta, B is Sb or As, C is Ti, Zr, Sn, or Ge, and 0</=x,z</=1, 0<y</=1, and 0</=n</=2, and conversion processes catalyzed by at least one of the composition.
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