Using "heat pain checker", pain threshold was measured and the change of the rat behavior observed.
并采用“热痛测试仪”测量不同用药量、不同时间的痛阈变化，同时观察大鼠行为变化。
Methods the pain threshold and the relieving pain intensity were measured with acetic acid and thermal stimulation respectively.
方法采用醋酸和热刺激测定痛阈值和镇痛程度，采用二甲苯和醋酸致炎测定耳肿胀和毛细血管通透性。
After the injection , cord dorsal potential(CDP) was determined on the 3rd day while heat pain threshold was measured each day.
观察注药3天内患肢和健肢的痛阈改变，并于第3天观察其脊髓背表面电位（CDP）的变化。
Methods The rats' pain threshold was measured by tail-flick latency after oral administration of anti-pain powder.
方法口服抗痛粉，用辐射热甩尾法测定大鼠痛阈。
Methods The rats' pain threshold was measured by tail-flick latency after oral administration of anti-pain powder.
方法口服抗痛粉，用辐射热甩尾法测定大鼠痛阈。
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