方法：建立大鼠脑外伤模型，采用化学定量法对大鼠脑外伤后脑组织中NOS含量进行检测。
Methods: brain trauma model of rats was established, and chemical quantitative method was used to test the content of NOS in rat brain tissue after its brain was injured.
目的探讨神经干细胞与嗅鞘细胞联合移植对大鼠创伤性脑外伤的治疗作用。
Objective To study the effect of neural stem cells and olfactory ensheathing cells transplantation on traumatic brain injury in rats.
方法：采用自行改进的液压冲击模型装置产生大鼠液压冲击脑外伤模型，对大鼠脑组织进行肉眼和光镜观察。
Methods: the graded model of rats was set up by using the device of the improved fluid percussion model, then we observed the changes of brain tissue of rats.
方法：采用自行改进的液压冲击模型装置产生大鼠液压冲击脑外伤模型，对大鼠脑组织进行肉眼和光镜观察。
Methods: the graded model of rats was set up by using the device of the improved fluid percussion model, then we observed the changes of brain tissue of rats.
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