目的为了解新型除草剂仲丁灵原药的毒性及其亚慢性毒性的阈作用剂量和最大无作用剂量，并为长期毒性试验提供充分的毒理学资料。
To explore the sub-chronic toxicity of pdibutalin and the largest ineffective dosage, and provide sufficient toxicological data for long-term toxicological experiments.
研究范围大致包括启动效应、重学中的节省、阈下刺激作用、技能学习和条件反射。
Approximately the research includes start effect, being economical in once again study, stimuli effect below threshold, skill study and conditioned reflex.
脑室注射外源性GABA可明显提高小鼠痛阈，其作用呈剂量一效应依赖关系。
Intracerebroventricular injection of extragenetic OABA significantly raised the pain threshold (PT) of mice, and this action app eared a dose-effect dependent relation.
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