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ContaCOCA³¹⁵¹¹¹⁺⁴
基本例句
n.康塔【音译名】
The mechanism of catalysis in the preparation of anionic polyurethane ionomer dispersion conta? ning sulfonic group and the relationship between the polymer structure and properties are developed.
本文研究了磺酸阴离子型水分散聚氨酯合成的催化作用机理，探讨了聚氨酯结构与性能的关系。 cnki |