趣英语 / “苯二胺”造句

“苯二胺”造句

归纳了对苯二胺的各种制备方法,并讨论了其工业化的优劣.
The synthesis ofp - Phenylenediamine was summarized and its route of industrialisation was discussed.

简要介绍了对 苯二胺 的用途和新工艺法合成对 苯二胺 的前景.
Finally, application ofp - phenylenediame and its new craft prospect for synthesizing ofp - phenylenediame were discussed.

研究了醚酰胺和砜酰胺作为第三单体对聚对苯二甲酰对苯二胺(PPTA)的改性.
Both amides and sullenly amides, used as the third monomer, are studied in modem PPTA.

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