1) sonic wave hole
声波孔
1.
In combination with rock permeability in dam region of a hydroelectric plant,the paper introduces a method directly evaluating rock permeability coeffieient--adit sonic wave hole seepage test and gives test device,test procedure,estimate principle and result.
本文结合某水电站坝区岩体渗透性 ,介绍了一种直接求取岩体渗透系数的方法———平硐声波孔渗水试验 ,并给出了试验装置、试验步骤、计算原理和结
2) single-hole sound-wave
单孔声波
3) acoustic measuring boreholes arrangement
声波测孔
1.
Theoretical basis of the acoustic measuring boreholes arrangement for broken rock zone test in gently inclined thin layer weakness structure was studied through analyzing the mechanical characteristics of layered rock mass,the propagation rule of acoustic and distributions characteristics of plastic zone and slip zone in layered rock mass.
从层状岩体的力学特性、声波在层状岩体中的传播规律、围岩塑性区和剪裂区的分布特征3个方面,对缓倾薄层弱结构松动圈声波测试测孔布置的理论依据进行研究,提出声波测孔布置3项基本原则,即:巷道两帮测孔顺层布置;顶底板测孔垂直于岩层布置;塑性区和剪裂区较大部位加大声波测孔控制深度。
5) acoustic porosity
声波孔隙度
1.
Prediction of reservoir acoustic porosity using LM algorithm based on neutral network;
基于神经网络的LM算法预测储层声波孔隙度
2.
Determining carbonate formation acoustic porosity by neural network based on LM algorithm;
利用神经网络的LM算法确定碳酸盐岩声波孔隙度
3.
In order to determine formation acoustic porosity accurately and provide logging interpretation with the evaluation and prediction of oil-gas storage, the neural computation method superior to that of traditional is studied, and it has been of important application value to determine acoustic porosity in acoustic logging.
在声波测井中,为了精确确定地层声波孔隙度、进而为油气储量的评价与预测提供解释依据,研究优于传统理论方法的神经计算方法来确定地层声波孔隙度具有重要的应用价值。
6) borehole guided wave
井孔声导波
补充资料：第二孔(继发孔)型缺损
第二孔(继发孔)型缺损
ostium secondary defect
是心房间隔在形成上发生障碍，一般缺损较大，多在卵圆孔附近称第二孔(继发孔)型缺损。
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