ethanal

Application of Soft-Sensing Technology to Composition Estimation of an Ethanal Distillation Column

软测量技术应用于乙醛精馏塔成分估计

Process optimization of decreasing mass fraction of ethanal in bottle grade PET chips

降低瓶级聚酯切片乙醛含量的工艺优化

Determination the ethanal content in bottle grade PET chip by headspace gas chromatography

用顶空气相色谱法测试瓶级聚酯切片中的乙醛含量

Process Research of Preparing Glyoxal with Ethanal Oxidated by Nitric Acid

乙醛硝酸氧化法制备乙二醛工艺技术研究

Discusses ethanal contents and barrier property of bottle grade PET , PET bottle for packing beer ;

讨论瓶用聚酯的乙醛值、阻隔性及啤酒包装用的聚酯瓶；

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

醇脱氢酶：把乙醇转化为乙醛的酶。

Glyoxal is prepared with waste liquid propellant HNO3-27S and ethanal .

利用报废的液体推进剂硝酸-27S和乙醛制备乙二醛。

Preparation of Glyoxal by Ethanal Oxidation with Waste HNO_3-27S

利用报废硝酸-27S氧化乙醛制备乙二醛研究

Conclusion : ( 1 ) The pathogenetic factor of ethanol induced gastric mucosal injury in rats is that high concentration ethanal resulted in mucosal venous congestion and hypoxia .

结论：（1）乙醇性胃粘膜损伤的致病因素是高浓度乙醇所致的胃粘膜淤血缺氧；

METHOD By determining dry extract percent , total polysaccharide content and paeonoside content , three clarification process including ethanal precipitation , high-speed centrifugation and adsorption clarification technic were compared .

方法通过对水浸出物收率、总多糖含量及芍药苷含量的测定，比较了乙醇沉淀法、高速离心法、吸附澄清技术3种澄清工艺的差异。

In the process of hydrogen acid production , the hydrogen is mainly produced by the ethanal type of fermentation ( ETF ) and butyric acid type fermentation ( BATF ) .

产氢产酸发酵过程中氢气产生的主要途径为乙醇型发酵过程和丁酸型发酵过程。

Glycolate oxidase catalyzes the oxidation of glycolate to glyoxylate . Alcohol dehydrogenase An enzyme that converts ethanol into acetaldehyde ( ethanal ) .

乙醇酸氧化酶能高效催化乙醇酸氧化生成一种重要的有机化工中间体乙醛酸。醇脱氢酶：把乙醇转化为乙醛的酶。

C. albicans . Methods : ( 1 ) The herbs were extracted by using 50 % ethanal , by means of agar plate diffusions , observing the diameter size of circle of inhibition ;

方法：（1）药物用50%乙醇浸提，采用琼脂平板扩散法观察抑菌圈的大小；

The best concentration of washing solution to separate N-acet-glucosamine was 5 % ethanal solution . On these conditions , the dimeric ( N-acet-glucosamine ) was accessible in the highest yield 24.06 % .

分离N-乙酰葡萄糖胺二聚糖的最佳脱洗液浓度为5%乙醇溶液，此条件下N-乙酰葡萄糖胺二聚糖的得率最高可达24.06%。