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- The contents of polyhydric alcohol in 17 brand cigarettes were determined. 对17个品牌的国内外卷烟中多羟基醇类物质的含量进行了定量分析。
- A methods was develped for the analysis of polyhydric alcohol in cigarettes by gas chromatography. 本文研究了采用毛细管气相色谱仪分析卷烟中多羟基醇类化合物的方法。
- This paper introduces the production, application and the need forecasting of polyester polyhydric alcohol. 本文着重介绍了聚醚多元醇的生产,以及在聚氨酯生产中的应用和市场需求预测。
- In the cases of non-solvent, oligomers of silicone were prepared by polycondensation of alkoxyl silicone and modified by polyester polyhydric alcohol. 在无溶剂条件下利用烷氧基硅烷合成了有机硅低聚物,用聚酯多元醇对其进行了改性。
- In the process of catalysis and synthesis of polyester polyhydric alcohol by MSA, the catalyst performance of MSA was hatter than sulphuric acid. 总结认为，甲基磺酸在催化合成聚酯多元醇中，其催化性能较硫酸为优越。
- In the cases of non-solvent, oligomers of silicone were prepared by polycondensation of alkoxyl silicon and modified by polyester polyhydric alcohol. 在无溶剂条件下利用烷氧基硅烷合成了有机硅低聚物,用聚酯多元醇对其进行了改性。
- The development situation and synthetic process of halogenated polyether polyhydric alcohol are introduced in this paper,which can be used to produce fire retardant urethane foam. 介绍了用于生产聚氨酯阻火泡沫用卤代聚醚多元醇的发展状况及合成工艺。
- For the low unsaturated degree of rape oil, the resistance to electrolytes increased by aid of modification of polyhydric alcohol and unsat9urated carboxylic compound. 菜油的不饱和程度较低，可先引入多元醇改性，再接枝含丰富双键的不饱和羧基化合物就能提高加脂剂的耐电解质性能。
- The intermixture of cyclic carbonate and polyhydric alcohol was used to liquefying lignocellulosics rapidly under atmosphere pressure，acid catalyst and elevate temperature. 因此生物质可以被认为是由多种复杂大分子结合而成的超分子，具有相当高的热化学稳定性；
- Silk fibroin films by adding polyhydric alcohol or exerting reinforced material were prepared, and the film properties were measured such as strenth, elongation, solubility, water permeability etc. 用聚醚型环氧树脂作为制备丝素膜时的交联剂，探讨了环氧树脂的添加量、分子量对丝素膜结构和性能的影响。指出随着环氧树脂添加量的增加，丝素膜的热水溶失率、拉伸初始模量减小，断裂伸长率、拉伸弹性提高；
- It is found that the low polyhydric alcohol cross-linking with fibroin can improve the mechanical properties of film, and exert reinforced material can make high strength silk fibroin film. 添加环氧树脂能显著降低丝素膜的水溶性，改善丝素膜的力学性能；在一定范围内，随着催化剂用量的增加，交联丝素膜的性能有一定程度改善。
- As sorbitol is one of the polyhydric alcohols, the aforesaid Regulations are not applicable to sorbitol. 由于山梨醇是多羟醇的一种,因此该规例不适用于山梨醇。
- Alkyds are the condensation product of polybasic acids and polyhydric alcohols (polyls). 多元醇酸树脂由多元酸和多元羟基缩聚而成。
- polyhydric alcohol conjugated polyether wastewater 聚醚多元醇废水
- polyhydric alcohol conjugate polyether 多元醇组合聚醚
- ZHANG Q H,ZHAO G J.Liquefaction of wood by using phenol or polyhydric alcohols[J].Journal of Beijing Forestry University,2003,25(6):71-76. [2]张求慧;赵广杰.;木材的苯酚及多羟基醇液化[J]
- The judge enjoined him from selling alcohol. 法官禁止他卖酒。
- Synthetic process of halogenated polyether polyhydric alcohol 卤代聚醚多元醇的合成工艺
- Study on the Polyhydric Alcohol Liquefaction of Corn Stalk 玉米秸秆多羟基醇液化研究
- Keywords jet printing;disperse dyes;polyhydric alcohol;property; 喷射印花;分散染料;多元醇;性能;
