| 1. | The application of millisecond blasting technique in heading advance 微差爆破技术在巷道掘进中的应用 |
| 2. | Application of down - hole millisecond blasting near high frequency launcher 高频发射装置近区孔内多段毫秒爆破技术 |
| 3. | Review and outlook of application of millisecond blasting in huainan coal mines 淮南煤矿毫秒爆破应用的回顾与展望 |
| 4. | Application of millisecond blasting technology in rubber dam - bed demolition 微差爆破在橡胶坝底板拆除工程中的应用 |
| 5. | Based on the character of short - time non - stationary random signal , the feature of energy distribution of multi - interval - time in millisecond blast signals was investigated by means of the wavelet packet method 摘要根据爆破振动信号具有短时非平稳的特点,利用小波包分析技术对满足分析要求的多段微差爆破振动信号的能量分布特征进行研究。 |
| 6. | , trapezoid millisecond blasting technology and wide hole space technology . in this paper , fiagmentation distribution is greatly improved , at the same time , block rate and total blasting cost are obviously decreased by the optimal plan . it is verified that the optimal model is beneficial to practice 即集优化参数、空气间隔、梯形微差、宽孔距技术等先进爆破技术于一体的方案。把这一技术运用于实际工程,大大地改善了爆破作业后的块度组成,降低了大块率和爆破总成本。 |