1) dipole sonic imager(DSI)
偶极声波成像测井仪(DSI)
2) dipole array acoustilog instrument
偶极子声波测井仪
1.
Design of active filters in the dipole array acoustilog instrument.;
偶极子声波测井仪器中有源滤波器的设计
3) Dipole Array Acoustic Logging System
偶极子阵列声波测井仪
1.
Realization of Dipole Array Acoustic Logging System and Research on Detection Algorithm;
偶极子阵列声波测井仪的实现及相关检测算法研究
4) DSI logging
偶极横波成像测井
5) ultrasonic imaging well logging tool
超声波成像测井仪
1.
At present,in casing well logging,ultrasonic imaging well logging tool is mainly used in cement bond appraisal and casing inspection,so as to makes intuitionistic and accurate judgment to the well cementation quality and the casing pipe condition.
超声波成像测井仪通过改善成像质量和分辨率,较好地满足了各种套管井复杂情况的需要。
6) dipole acoustic logging
偶极声波测井
1.
The shear head wave s accuracy detection appeared very important in the method of using the head wave to extract shear wave slowness of dipole acoustic logging,which was related to the accuracy of slowness.
在利用首波波至提取偶极声波测井横波时差的方法中,横波首波的准确提取显得非常重要,关系到时差提取的准确度。
补充资料：“质子-电子偶极-偶极”质子弛豫增强
“质子-电子偶极-偶极”质子弛豫增强
物理学术语。原子核外层中不成对的电子质量小，但磁动性很强，可使局部磁场波动增强，促使氢质子弛豫加快，从而使T1和T2缩短，这种效应即为PEDDPRE。过渡元素和镧系元素大部分在d和f轨道有多个不成对电子，所以其离子往往具有PEDDPRE，可用来作顺磁性对比剂，如钆(Gd)。Gd在外层有7个不成对电子，具有很强的顺磁性。
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