Methods: Adopt some methods such as receptor binding assay, hot plate, the tail withdrawal reflex, EEG, hemodynamics and the randomized double blind evaluation.
方法：应用受体结合、热板、甩尾反射、EEG、血流动力学、随机双盲评价等方法。
2
By cleaning molten steel, controlling casting temperature and withdrawal speed, the compliance ration in ultrasonic inspection of plate was enhanced from 82.5% to 92%.