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.Decanoyl acetaldehyde was extracted from houttuynia cordata thunb by the method of solvent extraction process.利用...
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.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.Alcohol dehydrog...
He relied on translucent enamels to produce vivid, glowing pictures.他利用半透明瓷漆绘制出鲜艳生动的图画。She had fair hair, blue eyes and translucent skin.她金发碧眼，皮肤透亮。The sky was changing from translucent blue to thicker grey.天空由通透的湛蓝色变成了暗...
What does the theory of plate tectonics maintain?这板块构造学说的理论讲些什么?Geologists describe the motion of the plates and the consequences of such motion as plate tectonics.地质学家把板块运动及这种运动所造成的后果看作是板块构造运动.The idea of sea - floor sp...
单单英国广播公司就派出技术人员、导演、解说员等一行300人。The BBC alone is sending 300 technicians, directors and commentators.突然，解说员开始用高昂煽情的语调解说起来。Suddenly, the narrator speaks in his most rhetorically elevated mode.体育解说员翻来覆去说着同样的词语，真叫人腻烦。Sports c...