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1.Preparation process of p cymene with gas phase catalytic dehydrogenation of industrial dipentene was studied and the following results were obtained.

1.工业双戊烯气相催化脱氢烃进行了研究并取得了理想结果。

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lysostaphin, lysotoxin, lysotype, lysotyping, lysozym, lysozyme, lyssa, lyssacine, Lyssacinosa, lyssic,

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3G, 401(K), a,

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