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Through IR analysis, the main component in group II was identified as dialkyl-benzene, while in Group III was monoalkyl-benzene as well as dialkyl-tetralin and indane (DTI).

然后法求得了第Ⅱ族组分中邻、二烷之和与对二烷质量比约为1∶409。

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intranatal, intranational, intranet, intranquil, intransigence, intransigency, intransigent, intransit, intransitable, intransitive,

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3G, 401(K), a,

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