| 1. | Cracks, growing at weld toe, tend to form at numerous sites along the transverse width perpendicular to the applied stresses .
焊趾处萌生的裂纹往往在垂直于作用应力方向沿着横向宽度在多处形成。 |
| 2. | In short , the method is convenient , economic and reliable and the result applied in the oil fields seems reasonable
综上，差应变分析和古地磁结合确定地应力方向是一种简单、经济、可靠的方法。 |
| 3. | In the exploration and development for oil and gas reservoirs , in - situ stress orientation is becoming more and more important
在油气勘探开发中，人们已越来越清楚地认识到了掌握地应力方向的重要性。 |
| 4. | Moreover , the article proposes the method for determination of the stress orientation using the processing result of imaging logging data
另外，也给出了利用成像测井资料处理结果确定地应力方向的方法。 |
| 5. | A convenient and reliable technique being used for studying the in - situ stress orientation is a key problem concerned by petroleum engineers
因此，通过较简便、可靠的方法确定地应力方向是石油工作者关注的重要问题之一。 |
| 6. | The theory and method of the technique are correct and ripe . 2 . before the dsa tests , sample preparation is the key for a successful test
利用差应变分析( dsa )和古地磁岩心定向方法确定地应力方向，理论和方法是正确的和比较成熟的。 |
| 7. | The rock foundation bent under the horizontal compressive stress . it is called fold . the regional or local stress direction can be analyzed according to the fold structure
岩层受到水平挤压应力，发生弯曲称作褶皱。通常依据褶皱构造可分析区域或局部应力方向。 |
| 8. | It has been shown that , when the direction of stress parallels magnetizing direction , barkhausen signal increases with the increasing of tensile stress , decreases with the increasing of compressive stress
结果表明，应力方向与磁化方向平行时，巴克豪森信号值随拉应力的增大而增大，随压应力的增大而减小。 |
| 9. | To obtain the stress level at the earthquake source , this paper sets forth the solution of the stress magnitude at the earthquake source by seismic stress drop and the stress axis deflections before and after large earthquakes
摘要为求解震源处应力量值，运用大地震造成的应力方向偏转和地震应力降给出了求取震源处应力大小的方法。 |
| 10. | But at the same time , it has been found that the correlation changes when magnetizing direction deviates from the direction of stress , or magnetizing strength increases , even a contrary trend will advent in a special situation
但同时也发现随着磁化方向与应力方向的偏离，或是随着磁化强度的变化，这种相关性会发生变化，在特定条件下甚至出现相反变化趋势。 |
