acetaldehyde
英[ˌæsɪ'tældəhaɪd]
美[ˌæsə'tældəˌhaɪd]
- n. 乙醛；醋醛
详细释义
- 醋醛
- 【化】乙醛
n. (名词)
英英释义
Noun:
-
a colorless volatile water-soluble liquid aldehyde used chiefly in the manufacture of acetic acid and perfumes and drugs
双语例句
- 1. Acetaldehyde is toxic and has been shown to damage DNA.
- 乙醛是有毒物质，会损害人体的DNA。
youdao
- 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。
youdao
- 3. The corresponding reaction of acetaldehyde is subject to general base catalysis.
- 乙醛相应的反应服从广义的堿催化。
youdao
- 4. Alcohol dehydrogenase an enzyme that converts ethanol into acetaldehyde (ethanal).
- 醇脱氢酶：把乙醇转化为乙醛的酶。
youdao
- 5. The products acetaldehyde, ketones and organic acids accumulate in the culture medium.
- 反应产生的乙醛、酮和有机酸可以在培养基中积累。
youdao
- 6. Decreasing light intensity, the degradation of acetaldehyde and toluene both decreased.
- 光通量减弱使乙醛和甲苯的降解率均下降。
youdao
- 7. 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。
youdao
- 8. The pyretic acid formed by GLYCOLYSIS is broken down into acetaldehyde and carbon dioxide.
- 糖酵解过程中产生的丙酮酸分解为乙醛和二氧化碳。
youdao
- 9. The energy efficiency of acetaldehyde ozonation increased with the decrease in energy density.
- 臭氧氧化乙醛的能量效率随能量输入密度的增加而减少。
youdao
- 10. The necessary material of 2-(2-methoethyl) acetaldehyde diethyl acetal was synthesized in addition.
- 另外还合成了必需原料2-（2-甲氧基乙氧基）乙醛二乙醇缩醛。
youdao
- 11. The energy efficiency of acetaldehyde ozonation also increased with the decrease in energy density.
- 催化臭氧氧化乙醛的能量效率随能量输入密度的增加而减少。
youdao
- 12. The calculation show that under these conditions, acetaldehyde productivity could be increased by 1—2%.
- 计算表明，在优化条件下操作，乙醛收率可提高1—2％。
youdao
- 13. The effect of yeast and yeast management on the acetaldehyde content at the end of fermentation was studied.
- 研究了酵母及其管理对发酵末期乙醛含量的影响。
youdao
- 14. The reasons and countermeasures for the high acetaldehyde content in the bottle grade polyester chips are discussed.
- 探讨瓶级聚酯切片乙醛含量高的原因和采取的对策。
youdao
- 15. The new technology adopted will improve the recovery yield of acetaldehyde and reduce the consumption of acetaldehyde .
- 采用新技术提高了乙醛的回收量，使醋酸消耗下降。
youdao
- 16. The main composition of this wastewater is acetaldehyde, paraldehyde, metaldehyde, pyridine and some acetaldehyde polymers.
- 某化工厂废水主要成份为乙醛、少量三聚乙醛、四聚乙醛、吡啶和一些乙醛聚合物。
youdao
- 17. Then, with acetaldehyde productivity taken as the objective function, the optimum operations are found by means of DFP method.
- 然后，以乙醛收率为目标函数，应用DFP法寻求最佳操作条件。
youdao
- 18. Objective: To explore the mechanism of JNK pathway regulating proliferation of hepatic stellate cells(HSC) stimulated by acetaldehyde.
- 目的：初步探讨JNK信号通路调控乙醛刺激的大鼠肝星状细胞（HSC）增殖的分子机制。
youdao
- 19. Lining your stomach reduces the rate at which acetaldehyde is absorbed, meaning that symptoms of a nasty hangover are slowed to a crawl.
- 帮助你的胃降低酒精被吸收的速度，也就是说宿醉的症状就会有所延缓。
youdao
- 20. Acetaldehyde eventually turns into something called acetate, and when that happens, your symptoms let up and you start to feel much better.
- 乙醛最终会变成一种叫醋酸的东西，当这种情况发生时，你的症状会缓解，这时你就会感觉好多了。
youdao
- 21. The results confirmed that the alcohol (ethanol) was being converted to acetaldehyde, causing DNA damage and switching on the cell's DNA repair genes.
- 结果表明，酒精(乙醇)转换成乙醛后破坏dna，激活细胞内dna的修复基因。
youdao
- 22. In addition, acetaldehyde, ethyl acetate, ethyl caproate, ethyl valerate, ethyl lactate and some other unidentified compositions were also detected.
- 发酵过程中还检测到乙醛、乙酸乙酯、己酸乙酯、戊酸乙酯和乳酸乙酯等成分及一些未知成分。
youdao
- 23. The major flavor substances Lactic acid bacteria produced include the buttermilk aroma butanedione, the yoghurt flavor acetaldehyde and the amino acid.
- 乳酸菌的主要风味代谢物质包括丁二酮，乙醛以及各种氨基酸。
youdao
- 24. The new synthetic process of 2 - methylimidazole with acetaldehyde, nitric acid and ammonium bicarbonate as raw materials has been introduced in this paper.
- 介绍了以乙醛、硝酸、碳酸氢铵为原料合成2-甲基咪唑的新工艺。
youdao
- 25. Alcohol and acetaldehyde altered fluidity of VYS and lead to functional disorder, this probably plays important roles in human fetal alcohol syndrome induced.
- 乙醇，乙醛均能改变VYS细胞膜脂质流动性引起VYS细胞功能紊乱，它很可能在诱发胎儿酒精综合征起重要作用。
youdao
- 26. When your body processes alcohol, it produces a chemical byproduct called acetaldehyde, which is responsible for those awful feelings that come with hangovers.
- 当你的身体处理酒精时，它会产生一种叫做乙醛的化学副产品，这是让你产生与宿醉伴随而来的可怕感觉的来源。
youdao
- 27. And it can mean a toxic breakdown product of alcohol called acetaldehyde - another carcinogen - can accumulate in the oral cavity when swished around the mouth.
- 而且酒精的代谢产物乙醛也容易通过漱口过程在口腔中堆积，这种物质也会致癌。
youdao
- 28. It was formerly derived by fermentation of carbohydrates but is now made synthetically by aldol condensation of acetaldehyde or by oxidation of petroleum gases.
- 以前它是由碳水化合物发酵得到，现在由乙醛醛醇缩合或石油气体氧化的合成方法制得。
youdao
- 29. It was formerly derived by fermentation of carbohydrates but is now made synthetically by aldol condensation of acetaldehyde or by oxidation of petroleum gases.
- 以前它是由碳水化合物发酵得到，现在由乙醛醛醇缩合或石油气体氧化的合成方法制得。
youdao
- 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。 - 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。
用作名词 (n.)
用法讲解
- acetaldehyde phenylhydrazone 乙醛苯腙
- acetaldehyde resin 乙醛树脂,聚甲醛树脂...
- dichloro acetaldehyde 二氯乙醛
- decanoyl acetaldehyde 癸酰乙醛
- acetaldehyde dehydrogenase 乙醛脱氢酶
- acetaldehyde mutase 乙醛变位酶
- acetaldehyde ammonia 乙醛合氨
- acetaldehyde polymer 乙醛聚合物
- acetaldehyde semicarbazone 乙醛缩氨脲
- acetaldehyde disulfonic acid 乙醛二磺酸
- active acetaldehyde 活性乙醛
- acetaldehyde sodium bisulfite 乙醛合亚硫酸氢钠...
- acetaldehyde monoperacetate 乙醛合单过乙酸...
相关词汇
- ethanal 乙醛
【近义词】
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