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。

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Using "Heat pain checker" to measure pain threshold in the different time, and to observe the changes of rat's behavior.

采用“热痛测试仪”测量不同用药量在不同时间的痛阈变化，并观察大鼠行为变化。

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The cool pain and heat pain threshold may degrade or not differentiate when the increase of the rate of stimulus is not enough.

在刺激温度变化率增加不够大时，冷痛觉、热痛觉阈值可能随温度变化率增加而降低或无差别。

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Heat exhaustion may also produce a feeling of sickness, a fast heartbeat,breathing problems and pain in the head,chest or stomach.

VOA: special.2010.07.27

Most people suffer only muscle pain because of heat stress.

VOA: special.2010.07.27

Last year, she completed five of the seven stages in the 8 Bridges Swim but stopped short in a couple of the stages because of the heat and shoulder pain.

WSJ: N.Y.'s Tour de Hudson

Yelping in pain, we raised the heat, thinking that would evaporate the water faster and jumped back as the oil burbled harder and began to smoke.

NPR: The Curious Incident of the Funnel Cake in the Lawn

So far it is only on pain felt through the skin heat applied to an arm.

WSJ: Doctors use brain scans to 'see' and measure pain