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- citral propylene glycol acetal 柠檬醛丙二醇缩醛
- Vanillin propylene glycol acetal was synthesized using vanillin and propylene glycol as raw materials and calcium methanesulfonate as catalyst. 以草香醛和1,2-丙二醇为原料,甲基磺酸钙为催化剂,合成了香草醛缩丙二醇。
- Catalytic Synthesis of Vanillin Propylene Glycol Acetal with Ammonium Ferric Sulfate 硫酸铁铵催化合成香兰素丙二醇缩醛
- Keywords vanillin propylene glycol acetal;vanillin;propylene glycol;sodium hydrogen sulfate; 香兰素丙二醇缩醛;香兰素;丙二醇;硫酸氢钠;
- propylene glycol acetal 丙二醇缩醛
- octanal propylene glycol acetal 辛醛丙二醇缩醛
- 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。
- 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。
- Butyraldehyde glycol acetal was synthesized from butyraldehyde and glycol by using iodine as catalyst. 以单质碘为催化剂,通过丁醛和乙二醇反应合成了丁醛乙二醇缩醛。
- Glycol monomethyl ether, propylene glycol monomethyl ether, ethanol, and eth yleneglycol monophenylether were used as solvents. 选择丙二醇甲醚,乙二醇甲醚,丙醇,一半乙二醇甲醚一半乙醇,乙二醇苯醚作为溶剂。
- Using self-made H3PW6Mo6O40 as catalyst,butyraldehyde glycol acetal was prepared by butyraldehyde and glycol. 用自制的磷钨钼杂多酸作催化剂,以丁醛和乙二醇反应合成了丁醛乙二醇缩醛。
- We discussed the technological conditions of synthesizing propylene glycol monoether acetate. 对合成丙二醇单乙醚乙酸酯的工艺条件进行了讨论。
- Result: The formulation with 15% isopropylalcohol,10% propylene glycol and 0.5% carbopol 934 had the best velocity. 结果:双氯芬酸二乙胺凝胶的处方中异丙醇浓度为15%25;丙二醇为10%25;卡泊姆934为0.;5%25时;药物的透皮扩散速率最快。
- N-Octyl aldehyde glycol acetal was synthesized using n-octyl aldehyde and glycol as raw materials and lanthanum methanesulfonate as catalyst. 以正辛醛和乙二醇为原料,甲基磺酸镧为催化剂,合成了正辛醛缩乙二醇。
- Water (Aqua), Glycerin, Propylene Glycol, Hydroxyethylcellulose, Tetrasodium EDTA, Citric Acid, Sodium Benzoate. 水（水） ，甘油，丙二醇，羟乙基纤维素， Tetrasodium乙二胺四乙酸，柠檬酸，苯甲酸钠。
- The smoker inhales doses of nicotine vaporized with the help of a solvent such as propylene glycol. 尼古丁溶解在丙二醇等溶剂中，挥发后被吸烟者吸入。
- Vanillin 1,2-propylene glycol acetal was synthesized from Vanillin and 1,2-propylene glycol using ferri postassium sulfate as catalyst. 以铁钾盐加合物为催化剂,通过香兰素与1,2-丙二醇反应合成了香兰素1,2-丙二醇缩醛。
- The synthesis of furfural glycol acetal from furfural and ethylene glycol in the presence of ion exchange resin was investigated. 本文研究了在离子交换树脂存在下,由糠醛和乙二醇反应制备糠醛缩乙二醇的工艺条件。
