1.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).
1.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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1.I recently presented the prizes in the e-commerce awards which are supported by the DTI through our UK Online for Business Project.
通过英国商业线服务项目领英国贸工部支持的电子商务奖励。
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