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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).

外法求得了第Ⅱ族组分中邻、二烷基之和与对二烷基量比约为1∶409。

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3G, 401(K), a,

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I recently presented the prizes in the e-commerce awards which are supported by the DTI through our UK Online for Business Project.

过英国商业线服务项目由英国贸工部支持的电子商务奖励。

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3G, 401(K), a,
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