| 1. | Study on the effect of the circulate loading on the young ' s model of rock in a low stress state
低应力水平下循环载荷对岩石杨氏模量影响的研究 |
| 2. | Experimental research on ultrasonic characteristic of marble under the action of high temperature
高温后大理岩在不同应力水平下超声波特性的实验研究 |
| 3. | It was found that stress levels increased obviously on the front of the lumbar vertebrae with the spine extended
结果表明，腰椎后伸时椎体前缘的应力水平明显上升。 |
| 4. | ( 3 ) the porosity test for sandstone was conducted at various temperature level and various effective stress level
( 3 )在不同温度水平和不同有效应力水平下，进行了砂岩的孔隙度试验。 |
| 5. | When the stress level is lower and the stress ratio is larger , the maximum crack width is smaller and develops more placidly
应力水平越低、应力比越大,最大裂缝宽度越小、发展越平稳。 |
| 6. | ( 4 ) the permeability test for sandstone was conducted at various temperature level and various effective stress level
( 4 )在不同温度水平和不同有效应力水平下，进行了砂岩的渗透率试验。 |
| 7. | Four stresses levers are achieved through optimizing design under surrounding temperature or vibration stress alone affected
分别在环境温度或振动应力单独作用下，各自优化出四个应力水平。 |
| 8. | Based on the creep experimental data of shale , the relationship between stress level , time and visco - elastic deformation disciplines of rock is analyzed
本文在页岩蠕变试验数据的基础上，分析了岩石粘弹性变形随应力水平不同和时间发展的变化规律。 |
| 9. | With the disposal of the image , we get a changing rule that the change of the sample of pmma ' s surface crazing damage density follow the change of time and stress
经图像处理，得到了在不同应力水平下、不同基温下， pmma试件纹损伤面密度随时间的变化规律。具体地， 1 |
