Thus it offers theoretical and experiment basis for NDT of the defect like foundation void by means of acoustic features.
为用声学特征进行地基脱空等缺陷无损检测提供了理论和实验依据。
2
OBJECTIVE: To observe the effective characteristics of carbonated hydroxyapatite cement on repair of skeletal defect by animal experiment.
目的：通过动物实验观察碳酸化羟基磷灰石水泥修复骨缺损效果的特征。
3
To prepare an experimental rhesus monkey model of tibia diaphyseal defect used in tissue engineering. Providing a standard animal model of experiment gave the next study.