1) acoustic-path difference
声程差
1.
The relationship between acoustic-path difference and stress intensity factor is obtained, which may provide a basis for determining stress intensity factor through the change of acous.
基于弹性状态下力对材料声折射率及试件厚度的影响，推导了含裂纹的试件受力前后，超声纵波经其前后表面反射及透射时声程的变化，得到了应力强度因子与声程差的关系，为通过声程差的变化确定裂尖应力强度因子打下了基础。
2) sound path length
声程
1.
The theory of equal sound path length was used to design the focus of the ultrasonic transducer and the details of arts and crafts for making transducers were described.
论文提出了用声程相等的概念来设计超声传感器的聚焦,详细介绍了其制作工艺,并利用数字动态光弹仪器对超声换能器的聚焦声场进行了验证。
3) path difference
程差
4) interval transit time
声波时差
1.
A method for upper and down expulsion hydrocarbon amount of overpressured sourcerock by interval transit time;
基于声波时差的超压源岩上、下排烃分配量方法及其应用
2.
How to use well logging interval transit time curve to compute formation pressure;
如何用测井声波时差曲线计算地层压力
3.
Application of using interval transit time method to restore degradation amount in Erlian basin;
声波时差法恢复剥蚀量在二连盆地中的应用
5) acoustic time difference
声波时差
1.
In this paper, the mudstone acoustic time difference method and the vitrinite reflectance method are used to calculate the Lower Cretaceous denuded thickness in the Santanghu basin.
文中利用泥岩声波时差和镜质体反射率法计算了三塘湖盆地下白垩统的剥蚀量 ,两种方法得出的结果吻合较好。
2.
In this paper,we calculate the erosion amount of Tertiary-Cretaceous in Sanjiang Basin by mudstone and total acoustic time difference method and vitrinite reflectance method.
本文利用泥岩声波时差法和总声波时差法相结合,辅以镜质体反射率法,恢复了三江盆地白垩系—第三系地层剥蚀厚度。
6) acoustic travel time
声波时差
1.
As propagation velocity of acoustic wave in rocks is closely related with rock properties, porosity and properties of fluids in pores, acoustic travel time anomaly in fault rock can be used to determine the dynamic properties of faults.
通过对东营凹陷的砂泥岩和其间断层岩的声波时差随深度变化特征及其相互间关系研究,进一步揭示张性断层声波时差异常的变化幅度和异常范围与断层埋藏深度有关。
2.
By using the acoustic travel time(AC) data,other test data and variable scale fractal techniques,the distribution of natural fractures in Chang 4+521-2 reservoirs of Yuan 48 wellblock in Tiebiancheng oilfield was predicted,and the relationship between the fracture development degree and initial deliverability of oil wells was also discussed.
利用声波时差(AC)数据与其他测井资料,运用分形几何中的变尺度分析技术,预测了长庆铁边城油田元48井区长4+521-2储层的天然裂缝分布,并探讨了裂缝发育程度与油井初期产能的关系。
补充资料：差差
1.犹参差。不齐貌。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条