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...
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...
He is an expert at troubleshooting.他是位排解争端的能手.Troubles and troubleshooting in verification of HGB analyzers were introduced.介绍了血红蛋白仪在检定中常见故障及故障排除方法.Proven troubleshooting and problem solving skills, high tuning skills pr...
According to World Bank figures, 41 per cent of Brazilians live in absolute poverty...根据世界银行的统计数字，41%的巴西人生活在赤贫中。Brazilians know oil can be a curse as well as a blessing.巴西人知道石油可以是祸根,也可以是恩赐.He hopes to have all Brazilians...
运动对身体的好处可以分为3个方面。The physical benefits of exercise can be divided into three factors.我们对身体接触感觉很不自在。We are rather inhibited about touching each other.对身体平衡状态的任何干扰都可能产生压力。Any disturbance to the body's state of equilib...
They turned on two additional main coolant pumps.他们又启动了两台主冷却泵.It is advisable to apply a coolant.建议应用冷却剂.Coolant temperature and ambient air pressure may be used to optimize cold starting and altitude performance.冷却水温度和大...
Precambrian time for as much as eighty - five percent of all geological time.从前寒 武 世纪以来地球地面大部分被冰川所覆盖的任何地质年代.Anthropogenic disturbance brought on counter response to the geological systems in mining environment.人为扰动导致矿山地质...