The mainly difficult problem of production inadequate return top of slurry and poorbonding cementing hole reaction are discussed in the paper;
论述了长庆油田固井过程中存在的主要生产难题—水泥返高不足和注水泥井段胶结质量不理想;
2
Burn-out of a microwave power device due to the poorbonding between beryllium oxide and base metal sink was investigated using Sound Scanning technique.
利用声学扫描检测技术,提示了热烧毁的微波功率器件氧化铍陶瓷基片与底座金属散热片的焊接不良现象;
3
The method solves the problem of poorbonding between Cu and aluminum nitride ceramic, and can realize preparation of gradient composite with high temperature difference and poor compatibility.