A colorless liquid polymer, C 6 H 12 O 3, of acetaldehyde, used as a solvent and a sedative.

1、

The concentration of ethanol and acetaldehyde in Meiguixiang grape after 120 day storage was studied.

研究了不同极值气体条件下贮藏过程中,玫瑰香葡萄果实内乙醇和乙醛含量的变化规律.

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2、

Pressure distillation used in acetaldehyde production can save energy markedly.

将加压蒸馏技术应用于乙醛生产,节能效果显著.

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3、

Acetaldehyde almost exists ubiquitously and is harmful to people.

乙醛广泛存在于环境中,危害人体健康.

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4、

Perfume Features: The main tone of acetaldehyde rose floral notes.

香水特色: 以玫瑰为主调的乙醛花香调.

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5、

Alcohol dehydrogenase An enzyme that converts ethanol into acetaldehyde ( ethanal ).

醇脱氢酶:把乙醇转化为乙醛的酶.

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6、

During alcoholic fermentation acetaldehyde acts as a hydrogen acceptor instead of oxygen.

在这个过程中乙醛取代了氧作为氢的受体.

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7、

The corresponding reaction of acetaldehyde is subject to general base catalysis.

乙醛相应的反应服从广义的碱催化.

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8、

This paper discussed three methods of producting vinyl etherspreparation from acetylene, dehydrohalogenation and acetals.

论述了乙烯基醚类化合物的三种主要制备方法乙炔法、脱卤化氢法和缩醛热分解法.

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9、

This paper reviewed the research development and synthesis 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.

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10、

Sorbitol acetals is the most one kind of the nucleating agents for polypropylene crystallization.

山梨醇缩醛是最重要的聚丙烯成核剂之一.

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11、

Using the same catalyst in THF acetals could be converted to the corresponding carbonyl compounds efficiently.

而在四氢呋喃和水的混合溶剂中,使用同样的催化剂,则可以高效率地实现上述反应的逆转化过程.

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12、

The hydroxyl groups can be changed into esters , ethers , acetals and ketals, etc.

最常用的羟基保护基可归纳为三类:酯类、醚类和缩醛或缩酮类.

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13、

Eight acetals ( Ketals ) were synthesized under the optimal conditions.

在最佳条件下,合成了八个缩醛 ( 酮 ) 化合物.

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14、

The yields of other cyclic acetals were between 62.

并在此条件下合成了多种环缩醛,收率62.

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15、

The proposed labeling changes represent the latest headache for acetaminophen.

标记改进提案列举了最近由扑热息痛引起的大麻烦.

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16、

Acetaminophen, also called paracetamol Tylenol, Excedrin and other products that do not require a doctor's prescription.

醋氨酚又称为扑热息痛, 多用于泰诺、埃克塞德林以及其他一些无须医生处方的药物中.

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17、

AsprinAspirin, The sidomelfen acetaminophen and Ivenpoven ibuprofen can all be used to reduce pain and fever.

阿斯匹林, 醋氨酚和布洛芬都可以用于止痛和退烧.

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18、

A trademark used a brand of acetaminophen.

使用注册商标的,并应当标明“注册商标”或者注册标记.

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19、

Taking too much acetaminophen can cause liver damage and even death.

服用太多的醋氨酚会引起肝损伤,甚至死亡.

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20、

The committee was a specially especially concerned about prescription drugs that combine acetaminophen with stronger painkillers.

委员会特别考虑到含有醋氨酚的处方药有很好的止痛作用.

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