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- propylene ketal 1,2-丙二醇
- Water, Propylene Glycol Dicaprylate/ ... 恩，就是那个牛油果。
- Vegan. Paraben, SLS, Propylene Glycol Free &Hypoallergenic. 素食，不含帕拉胶，SLS，丙二醇，低变应原。
- Vegetarian. Paraben, Propylene Glycol and Gluten-Free. 素食，不含帕拉胶，丙二醇，麸质。
- A new correlation which predicts propylene yield is presented. 介绍一个新的预测丙烯产率的关联式。
- The univalent unsaturated organic radical C3H5 derived from propylene. 单价的不饱和的有机基CH，从丙烯衍生而来。
- Label Statement: Contains flavor, propylene glycol and ethyl alcohol. 标签声明:本品含有香精,丙二醇和乙醇。
- Butane and butylenes has the same characteristic with propane and propylene. 丁烯与丁烷表现出与丙烯、丙烷相似的特性。
- Polypropylene is propylene polymerization and obtained a thermoplastic resin. 聚丙烯是由丙烯聚合而制得的一种热塑性树脂。
- This reagent can analyze the mixture of propylene and ethylene efficiently. 这种试剂能够有效分离丙烯和乙烯的混合物。
- A new process of Hydration of propylene oxide to glycols was introduced. 采用反应精馏新工艺由环氧丙烷水合制丙二醇。
- Traditional ketal, esterification industrial use of concentrated sulphuric acid as a catalyst. 传统的缩酮化、酯化反应工业上多采用浓硫酸作催化剂。
- Catalytic synthesis of ketal by urushiol-formaldehyde neodymium polymer from cyclohexanone and ethanediol was studied. 以环己酮和乙二醇为原料,漆酚缩甲醛钕聚合物为催化剂合成了环己酮乙二醇缩酮。
- This paper reviewed the research development and systhesis of acetals and ketal flavors. 综述了缩醛(酮)反应的研究进展,重点介绍了缩醛(酮)类香料的合成方法。
- The results showed that sulfamic acid is an excellent catalyst for synthesis of acetophenone cylic ethylic ketal. 以氨基磺酸为催化剂,通过苯乙酮和乙二醇反应合成苯乙酮环乙二缩酮。
- Ketal compounds are superior to mother-of floral, fruit incense smell, is a new type of spices, widely used in daily food and fragrance. 缩酮化合物具有优于母体酮的花香、果香气味，是一类新型合成香料，广泛应用于食品和日用香精。
- The butanone glycol ketal was synthesized by the reaction of butanone with glycol in the present of the strong-acid cation-exchange resin. 以强酸性阳离子交换树脂为催化剂,通过丁酮和乙二醇反应合成丁酮乙二醇缩酮。
- Cyclohexanone 1,2-propanediol ketal was synthesized from cyclohexanone and 1,2-propanediol in the presence of copper benzene sulfonate . 以苯磺酸酮为催化剂,环己酮与1,2-丙二醇合成了环己酮1,2-丙二醇缩酮。
- Under microwave irradiation,cyclohexanone 1,2-propylene ketal was synthesized from cyclohexanone and 1,2-propanediol using HPW as catalyst. 在微波辐射下,以磷钨酸为催化剂,以环己酮和1,2-丙二醇为原料合成了环己酮1,2-丙二醇缩酮。
- Benzalacetone 1,2-propylene glycol ketal was synthesized from benzalacetone and 1,2-propylene glycol in the presence of ptoluene sulphonic acid. 以对甲苯磺酸为催化剂,通过苄叉丙酮与-1,2-丙二醇反应合成了苄叉丙酮-1,2-丙二醇缩酮。
