乌氏粘度计 [仪] Ubbelohde viscometer
- 利用乌氏粘度计测定以甘油和季戊四醇聚醚多元醇的特性粘度。
Ubbelohde viscometer was used to measure the intrinsic viscosity of PPG samples. - 用乌氏粘度计法验证经验公式,此公式具有一定的可靠性。
Ubisch viscometer method used to verify the empirical formula , the formula has a certain reliability. - 分别用称重法和乌氏粘度计测定了反应的转化率和产物的相对分子质量。
The conversion rate of the polymerization and the relative molecular weight of the product are determined by weight method and Ubbelodhe viscosimeter respectively.
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