以下为句子列表：
英文: The results of the calculations show that Brnsted acid sites of zeolite are catalytic active center.
中文: 果表明:沸石表面上的Brnsted酸中心是催化的活性中心;
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英文: There are two types of acid—the Brnsted acid and Lewis acid-on the surface of the catalyst, and most of them are Lewis acid.
中文: 该催化剂具有中孔结构 ,表面上具有 L酸和 B酸 ,酸分布以弱酸为主 .
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