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yong mai chong se pu fa ce ding qing zai zai nie cui hua ji shang de hua xue xi fu
Pages: 66-70+65
Year: Issue:  5
Journal: Qilu Petrochemical Technology

Keyword:  甲烷化催化剂载镍催化剂化学吸附脉冲色谱法吸附量分散度测定方法氢吸附镍表面积吸附等压线;
Abstract: <正> 一、前言在石油化学工业生产过程中广泛地使用着载镍催化剂。这些催化剂的活性和选择性与它们的活性组份镍表面积和分散度有着直接地和重要地联系。因此,测定多组份固体催化剂中活性组份的表面积和分散度方法的研究普遍为人们所关注,J.Miiller和T.E.Wyte对各种测定方法做过综合评述。目前常用的测定方法有:X射线衍射峰宽化法、X射线小角度散射法,电子显微镜
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