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English Translations » 高分子及新材料 » One question per day; those who answer correctly receive 6 w

One question per day; those who answer correctly receive 6 wealth points, while participants receive 2 wealth points； January 5th

2017-01-05View Original

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Multiple-choice question: In the suspension polymerization of PVC, the main parameters to consider when selecting polyvinyl alcohol are ( ). A. Degree of polymerization B. Degree of hydrolysis C. Solubility D. Acetyl group distribution. Answer: ABD
Reply #22017-01-05
A, degree of polymerization; B, degree of hydrolysis; D, acetyl group distribution.
Reply #32017-01-05
In the suspension polymerization of PVC, the main parameters to consider when selecting polyvinyl alcohol are (ABD). A. Degree of polymerization B. Degree of hydrolysis C. Solubility D. Acetyl group distribution.
Reply #42017-01-06
A、Degree of polymerization, B、Degree of hydrolysis, C、Acetyl group distribution

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Translated at 2026-07-23 12:20:45

Original: https://bbs.hcbbs.com/thread-1662444-1-1.html

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