乙醛
- 名acetaldehyde
- aldehyde
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[aldehyde;acetaldehyde] 一种无色挥发性水溶性的液体醛CH 3 CHO,有刺激性臭味,常通过乙醇的氧化或乙炔的催化加水制备,主要用于有机合成
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利用吖啶酯化学发光研究甲醛和乙醛对DNA的损伤
Chemiluminescence detection of DNA damage induced by formaldehyde and acetaldehyde
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乙醛调控大鼠HSC中NF-κB的表达及其意义
Expression of NF - κ B in rat hepatic stellate cells stimulated by acetaldehyde
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求得的乙醛酸理论分解电压Ed接近为一常数(-1.00v)。
The theoretical decomposition potential of glyoxalic acid could be a constant ( -1.00 V ) approximately .
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钙钛矿型La(1-x)SrxMeO3系列催化剂对乙醇氧化成乙醛的催化活性研究
Activity of Ethanol Oxidation to Acetaldehyde over Perovskite La_ ( 1-x ) Sr_xMeO_3
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方法:采用乙醛酸溶液制作大鼠肾结石模型,采用反转录聚合酶链反应(RT-PCR)技术检测肾结石大鼠OsteopotinmRNA的表达。
Methods : The rat model of calculus of kidney was made by glyoxylic acid .
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MIC反应器在处理酒精氧化制乙醛废水中的应用
The Application of MIC Reactor on Wastewater Treatment about Acetaldehyde
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啤酒生产过程中影响乙醛含量的因素皮革中甲醛含量的HPLC检测方法研究
Study on factors coming from the period of beer production on content of acetaldehyde Determination of Formaldehyde in Leathers by HPLC
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FTA法在乙醛装置安全生产中的应用
FTA Applied in Safety Production of Acetaldehyde Unit
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反向高效液相色谱(HPLC)结果表明乙醇氧化后的产物部分为乙醛和乙酸的混合物。
HPLC result indicated that a part of the product after the oxidation of ethanol was a mixture of acetaldehyde and acetic acid .
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以二-(2-乙基己基)磷酸酯(P(204))/四氢呋喃/硝酸/多聚乙醛为展开剂薄层色谱法分离铕、钆、铽、镝、钬、铒等元素
Separation of Rare Earth Elements ( Eu , Gd , Tb , Dy , Ho , Er ) by Thin-Layer Chromatography with Di - ( 2-ethylhexyl ) phosphate-Tetrahydro-furan-Nitric Acid-Paraldehyde System as Developer
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确定了反应的机理,氢氧自由基与乙醛作用主要有六条通道,生成与实验相吻合的CH3CO自由基,反应是放热的。
The mechanism of the reaction studied was confirmed and it showed the main six reaction channels .
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HY沸石催化剂催化苯酚和三氯乙醛的二次缩合反应
Consecutive Condensation of Phenol and Chloral over HY Zeolite Catalysts
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乙醛对人类神经tau磷酸化的影响
Effect of Acetaldehyde on Phosphorylation of Human Neuronal tau
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阐述了磷肥中有毒有害成分重金属镉(Cd)、放射性元素和三氯乙醛对土壤生态环境的影响,论述了施用磷肥对土壤和作物产品重金属含量的影响;
The impacts of the associated toxic constituents such as Cd , chloral and radioactive ele-ments on the soil environments and crop products are expounded .
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变性高效液相色谱用于乙醇脱氢酶1B和乙醛脱氢酶2的基因分型
Genotyping of Alcohol Dehydrogenase-1B and Aldehyde Dehydrogenase-2 by Using Denaturing High-performance Liquid Chromatography
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催化器对乙醛、乙醇和MTBE的转化效率相对较低。
The catalytic conversion efficiency to acetaldehyde , ethanol and MTBE are lower .
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应用水吸收-催化燃烧技术处理PET聚酯生产中排放的含乙二醇、2-甲基-1,3-二氧戊环、乙醛等废气。
A water absorption and catalytic combustion process was used to treat PET polyester waste gas containing ethylene glycol , 2-methyl-1 , 3-dioxolane and acetic aldehyde .
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乙醛刺激HSC活化与增殖,是导致酒精性肝纤维化发生的关键因素。
The proliferation of HSC induced by acetaldehyde was the key factor in alcoholic hepatic fibrosis .
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当CO2浓度为3%时,乙醇含量随O2浓度的降低而减小。结合浆果中乙醛含量的变化趋势,可以看出O2与CO2浓度对葡萄浆果中乙醇、乙醛含量具有联合效应。
According to the trend of changes of alcohol and aldehyde , it is shown that the concentrations of O2 and CO2 affect the contents of alcohol and aldehyde unanimously .
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结论(1)乙醛刺激HSC后,引起ERK信号传导通路活化。
Main Conclusions ( 1 ) ERK could be activated significantly after HSC were stimulated by acetaldehyde .
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0.15%乙醛处理4h效果不明显;
However , treatment fumigated with 0.15 % AA for 4 hour had no significant effects .
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SBA-15负载氧化铁催化剂上乙酸选择加氢制乙醛
Selective Hydrogenation of Acetic Acid to Acetaldehyde over SBA-15 Supported Iron Oxide Catalysts
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结果表明,啤酒的乙醛含量与啤酒的TBA值之间有明显的正相关性。
And the results indicated that aldehyde content in beer had evident positive correlation with TBA value .
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研究了SAS型固体酸和几种分子筛上氧化苯乙烯液相重排成苯乙醛的反应,考察了催化剂的活性、选择性和和稳定性。
The method of liquid phase rearrangement of styrene oxide to phenylacetaldehyde catalyzed by SAStype solid acids and molecular sieves was studied .
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采用pH计、乳酸测定试剂盒、硫酸苯酚法、黏度计和气相色谱仪分别对3株菌在pH变化、合成乳酸、多糖、黏度和乙醛进行了测定与分析。
Using pH meter , Lactic Acid Kit , sulfuric acid-phenol method and gas chromatograph to evaluate the content of pH , lactic acid , polysaccharide and acetaldehyde of the three bacteria respectively .
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席夫碱可以吸附废水中的金属离子,通过壳聚糖与苯乙醛发生缩合反应制备了壳聚糖缩苯乙醛Schiff碱。
Schiff base can absorb metal ions of waste water . It has been synthesized by condensation of chitosan with phenylacetaldehyde .
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光促CO2和C2H6反应主要生成丙醛、乙醇和乙醛;
Photocatalysis reaction of CO_2 and C_2H_6 produced mainly propanal , ethanol and acetaldehyde .
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研究了除氧剂乙醛肟(AO)在水中形成溶液的质量浓度、温度、pH值对水中除氧和对A3钢电极电化学性能的影响。
Deoxidization of acetaldoxime ( AO ) and its electrochemical behaviour towards A3 electrode were studied under various concentrations , temperatures and pH values of AO solution .
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乙醇脱氢酶(AlcoholDehydrogenase,ADH)是酒精代谢的关键酶之一,其主要功能是将乙醇氧化成乙醛。
Alcohol dehydrogenase ( ADH ) is one of the key enzymes in the metabolism of alcohol , whose function is to oxidize ethanol into acetaldehyde .
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用X射线衍射、拉曼光谱、红外光谱、紫外-可见漫反射光谱和微型连续光反应技术研究了催化剂的晶体结构、表面构造、光响应性能以及光催化降解甲醛和乙醛的性能。
The crystal structure , surface composition , and photoabsorption performance of the catalysts were characterized by X-ray diffraction , Fourier transform Raman spectroscopy , Fourier transform infrared spectroscopy , and UV-Vis diffuse reflectance spectroscopy .