The average condensed formula of molecular structure is effective to derive the composition of the peripheral substituents of porphyrins, especially geoporphyrins with identical carbon numbers.

卟啉的平均分子结构简式衡量其取代基的组成，尤其对地质体中相同碳数的卟啉“ 混合物” 大环外取代基的构成十分有效。

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Through molecular structure design and material selection formula and the development process of orthogonal test of a new generation of KH high efficiency foaming agent.

通过分子结构设计和材料优选配方与工艺正交试验研制的新一代KH高效发泡剂。

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To provide the molecular formula and molecular weight, as the substance has a unique and defined molecular structure according to item III of your notification form.

根据申报表项填写情况，申报物质有唯一确定的分子结构，所以应准确填写申报物质的分子式和分子量。

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