收缩曲线是土样在干缩过程中含水率与垂直收缩率的关系曲线。收缩曲线可用来确定土的缩限、线缩率、收缩系数等。
研究了热循环对铝基复合材料热膨胀和冷却收缩曲线的影响。
The effects of thermal circling on the curve of heat expansion and cold contraction are investigated.
方法慢性结石性胆囊炎、正常对照胆囊各15例，5-HT 作用于胆囊平滑肌条，观察收缩曲线的改变；
Methods Isolated gallbladder muscle strips from the gallbladders with chronic calculus cholecystitis and controls, each 15 cases, were recorded the curve of 5-HT-excited contraction.
方法：记录蟾蜍坐骨神经干动作电位和腓肠肌收缩曲线，测定低位运动中枢、神经肌接头、骨骼肌出现疲劳的时间并加以比较。
Methods: By recording the action potential of sciatic trunk and contract curve of sural muscle of hoptoad, and measuring the time of fatigue in nerve centre, neuro-muscular junction and muscle.
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