The results show that the blast hole diameter has little effect of the vibration level in production blasting, and the other factors should be considered in large scale delay blast design.
结果表明，除炮孔孔径在实际生产爆破中对振动影响不明显外，其它因素在大区微差爆破的设计中都值得注意。
The reasonable delay time of blast in the iron mine has been discussed tentatively with the gray-scale map invented by Anderson d.
用安德逊的灰度图对该矿爆破的合理微差时间作了初步探讨。
This paper systematically described the test and application of millisecond delay detonation technique in blast-Winning face of very thin seal in Xiehe Coal Mine.
系统介绍了毫秒爆破技术在协合煤矿极薄煤层炮采工作面的试验及应用情况。
Conclusions Sea water may delay and abate the brain tissue degradation at the early stage of open blast injury owing to the effect of its higher osmotic pressure.
结论海水对于爆震伤早期后脑组织的变性具有延缓和减轻作用，这可能与海水的高渗因素相关。
Conclusions Sea water may delay and abate the brain tissue degradation at the early stage of open blast injury owing to the effect of its higher osmotic pressure.
结论海水对于爆震伤早期后脑组织的变性具有延缓和减轻作用，这可能与海水的高渗因素相关。
应用推荐