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ps exchange
ps交换
以上为机器翻译结果，长、整句建议使用 人工翻译 。
These new acetylation reactions were synthesized with PS of monodisperse particle. Research on thermostability and intensity of anion exchange resin based on polystyrene is analysised.
分析目前对苯乙烯型阴离子交换树脂的热稳定性及强度的研究。
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