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。
Alcohol dehydrogenase an enzyme that converts ethanol into acetaldehyde (ethanal).
醇脱氢酶：把乙醇转化为乙醛的酶。
There are over 70 kinds of nutritious content such as triterpenoid compound, ant acid, herbaceous ethanal and triphosphate.
三萜类化合物、蚁酸、草体乙醛，三磷酸腺酐等共70多种滋养成分。
There are over 70 kinds of nutritious content such as triterpenoid compound, ant acid, herbaceous ethanal and triphosphate.
三萜类化合物、蚁酸、草体乙醛，三磷酸腺酐等共70多种滋养成分。
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