常見(jiàn)例句雙語(yǔ)例句Intrinsic viscosity is the important content of product quality index of polyester production.特性粘度是聚酯生產(chǎn)中產(chǎn)品質(zhì)量指標(biāo)的重要內(nèi)容。The decrease of intrinsic viscosity and increase of carboxy end group are affected by the specific surface of resin.特性粘度降低和端羧基含量增加這兩種方法受樹(shù)脂比表面積的影響；Kinetic study of thermo-oxidative degradation for two PET samples are carried out by three methods, i. e. intrinsic viscosity degreasing, carboxy end group increasing and thermal weight loss.用測(cè)定樣品的特性粘度降低、端羧基含量增加和熱氧化失重三種方法對(duì)不同催化體系合成的兩種PET樣品進(jìn)行了熱氧化降解的動(dòng)力學(xué)研究。 返回 intrinsic viscosity