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,The state of dispersed niobia species on γ-Al2O3 and their catalytic performance for condensation o
【机 构】
：
School of Chemical Engineering,Anhui University of Science and Technology,Huainan 232001,China“,”Key
【出 处】
：
中国高等学校学术文摘·化学
【发表日期】
：
2010年1期
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