?acetaldehyde

acetaldehyde發(fā)音

英：[??se?t?ld??ha?d]　　美：[??s??t?ld??ha?d]

英：　　美：

acetaldehyde中文意思翻譯

常用釋義： 乙醛

n.[有化]乙醛；醋醛

acetaldehyde雙語(yǔ)使用場(chǎng)景

1、However, the degradation of reduced ascorbic acid was accelerated due to acetaldehyde treatment.───然而，乙醛熏蒸處理可以加速荸薺切片中還原性抗壞血酸的降解。

2、Conclusion: Being simple and reliable, the method is suitable for the determination of acetaldehyde in high fructose corn syrup.───結論：方法簡(jiǎn)便、可靠，適用于高果糖漿中乙醛的測定。

3、Acetaldehyde is toxic and has been shown to damage DNA.───乙醛是有毒物質(zhì)，會(huì )損害人體的DNA。

4、In most people, acetaldehyde is quickly converted to acetate, a relatively harmless substance, by an enzyme called ALDH2.───大部分人的身體都會(huì )通過(guò)一種叫做ALDH2的酶迅速將乙醇轉化成一種相對無(wú)害的物質(zhì)——醋酸鹽。

5、During alcoholic fermentation acetaldehyde ACTS as a hydrogen acceptor instead of oxygen.───過(guò)程中乙醛取代了氧作為氫的受體。

6、Alcohol dehydrogenase an enzyme that converts ethanol into acetaldehyde (ethanal).───醇脫氫酶：把乙醇轉化為乙醛的酶。

7、The deficiency results in problems in metabolizing alcohol, leading to an accumulation in the body of a toxin called acetaldehyde.───這種缺陷酶導致酒精代謝出現問(wèn)題，從而使一種毒素乙醛聚積在體內。

8、In aqueous sodium hydroxide, with benzene as the catalyst, cinnamaldehyde is synthesized from the reaction of benzaldehyde and acetaldehyde.───在稀氫氧化鈉溶液中，由苯甲醛和乙醛縮合制備肉桂醛。

9、Acetaldehyde is one of the most important flavor ingredients in beer. Excess acetaldehyde produces a grassy or apple-like off-flavor.───乙醛是啤酒中重要的風(fēng)味物質(zhì)之一，但過(guò)量的乙醛會(huì )使啤酒產(chǎn)生像青草或蘋(píng)果腐爛的味道。

acetaldehyde相似詞語(yǔ)短語(yǔ)

1、acrylaldehyde───n.[有化]丙烯醛

2、glyceraldehyde───n.[生化]甘油醛

3、anisaldehyde───n.[有化]茴香醛；[有化]對甲氧基苯甲醛

4、benzaldehyde───n.[有化]苯甲醛；安息香醛

5、aldehyde───n.醛；乙醛

6、formaldehyde───n.蟻醛，[有化]甲醛

7、acraldehyde───n.丙烯醛（等于acrolein）

8、paracetaldehyde───n.三聚乙醛

9、metaldehyde───n.[高分子]聚乙醛；[有化]四聚乙醛

乙醛的分子式？

乙醛（acetaldehyde），又名醋醛，是一種有機化合物，化學(xué)式為CH3CHO，為無(wú)色透明液體，溶于水，可混溶于乙醇、乙醚、苯、汽油、甲苯、二甲苯等，主要用作還原劑，殺菌劑和再比色法測定醛時(shí)用以制備標準溶液，工業(yè)上用于制造多聚乙醛、乙酸、合成橡膠等。