加热阶段 meaning in English
heating period
heating stage
Examples
- The following results were found , i . e . , the water ratio affects obviously the acoustic wave velocity of rock sample ; the wave velocity is higher in saturated rock samples than in unsaturated ones ; and it decreases gradually with the strain of samples during uniaxial compression ; and also with the lengthening holding time at 160 ; when heating the samples the acoustic wave velocity increases slightly in initial stage and comes to the peak value at 60 , then decreases gradually with increasing temperature ; meantime , there is a certain temperature effect on rock samples size
实验发现含水率对波速影响比较大，饱和岩样的声波传播速度高于不饱和岩样的声波传播速度；人工预制裂纹对声波传播速度影响不大；单轴压缩条件下，声波传播速度随应变增加逐渐降低；在同一温度( 160 )下，波速随保温时间的增加而逐渐降低；在对岩样逐渐加热情况下，初始加热阶段波速略有升高，当温度达到60时，岩样波速达到峰值，之后随着温度继续升高其波速逐渐下降；波速随温度变化具有一定的尺寸效应。