Thickness reversion method of water layer from one dimension reflective data in ultrasonic reflective cement bond logging is theoretically studied when the first interface is bad bonded.

针对单道超声反射式水泥胶结测井，从理论方法上研究如何从一维反射资料反演第一界面窜槽时水层的厚度。

youdao

The results show that ANN is a feasible tool for predicting the ultimate bond strengths of CFRP bonded to concrete.

结果表明，运用人工神经网络对碳纤维布与混凝土的极限粘结强度进行预测是可行的。

youdao

Objective: to investigate the shear bond strength of three adhesive systems bonded with ceramic brackets to the porcelain surfaces.

目的：研究三种不同釉质粘接剂对陶瓷托槽与瓷修复体粘接剪切强度的影响。

youdao