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- acetal ketal 缩醛（酮）
- Acetal tubular load stabilizing frame. 令负重更为稳定。
- Acetal is among the strongest and stiffest of all thermoplastics. 在所有的热塑性塑料中，乙缩醛具有最高的强度和硬度。
- "Acetal Method" is a new technology to prepare phenolic resin. “缩醛法”是一种合成酚醛树脂的新方法。
- OBJECTIVE To synthesize 4-chlorobutanal acetal by improved method. 目的改进4-氯丁醛缩醛的合成方法。
- Do not contact methylene chloride acet (like nail oil) strong acid detergent. 不要接触亚甲基氯化物、丙酮(去指甲油剂)、强酸清洗剂。
- If contact with nail oil use alcohol (no contain acet) and then water to clean. 若沾上指甲油请用不含丙酮的清洗剂(如：天那水、酒精)，再用水冲。
- 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。
- ACET devices can be readily integrated on chip into a microsystem.This offers insight into designing ACET lab-chips. 研究结果为设计交流电热效应芯片实验室提供了参考依据。
- Cyclohexanone ethylene ketal was synthesized from cyclohexanone and ethylene in the presence of ammonium ferric sulfate. 对以十二水硫酸铁铵为催化剂,以环己酮和乙二醇为原料合成环己酮乙二醇缩酮的反应条件进行了研究。
- MAIN OUTCOME MEASURES:The location relation of the sciatic nerve and the acet abulum. 主要观察指标:坐骨神经与髋臼的位置关系。
- Cyclohexanone ethylene ketal was synthesized using vitamin C as the catalyst by microwave irradiation solvent-free method. 以维生素C为催化剂,采用微波辐射无溶剂催化合成环己酮乙二醇缩酮,探索了不同反应条件对产率的影响。
