A method of automatic reduction of blind distance in ultrasonic measurement is introduced.
文章介绍了一种自动抑制超声测量盲区的方法。
Objective: nitrate automatic reduction device has been studied according to national standard method, and this device is used to detect nitrate in vegetables.
目的：根据国标方法研制硝酸盐自动还原装置，并用于蔬菜中硝酸盐的测定。
Methods: the samples were treated by national standard method, then reduced by automatic reduction device, and determined according to national standard method.
方法：将样品按国标方法处理后，用自制自动还原装置进行还原，按国标方法比色测定。
Methods: the samples were treated by national standard method, then reduced by automatic reduction device, and determined according to national standard method.
方法：将样品按国标方法处理后，用自制自动还原装置进行还原，按国标方法比色测定。
应用推荐