The method is reasonable, and the classifications have a certain benefits to improve blasting efficiency.
该方法分类合理，对提高爆破效率具有一定的指导意义。
Meanwhile, which can improve the blasting effect, made the rock fragment more uniformly, and improve the blasting efficiency.
改善爆破质量，使破碎块度更加均匀，从而提高爆破效率。
Through adopting the parallel cut and inverse initiation, and selecting correct delay-interval, an average blasting efficiency of 90% had been achieved.
通过采用含空孔的直孔掏槽方式、反向起爆，并合理选择微差起爆时间，桩井爆破的平均炮孔利用率达到了90 %。
By optimizing blasting parameters, the blasting efficiency of mine tunnel excavation is improved. The speed of tunnel excavation is ultimately increased.
文中通过优化爆破参数，提高了岩巷掘进的爆破效率，最终提高了巷道掘进速度。
The construction practice indicated that the blasting efficiency in drift was improved and good economic benefits were obtained by the adoption of single helix cutting mode.
实践表明，采用单螺旋掏槽方式提高了平巷掘进爆破效率，取得了良好的经济效益。
It is special important meaning that Deep - hole blasting With bottom Gap Charging is used to protect bottom rock from breaking, to decrease block ratio and to improve blasting efficiency.
深孔爆破孔底空隙装药在有效地保护底板岩层免遭破坏，减少大块率，提高爆破效率等方面均具有重要的意义。
Sand blasting equipment price has made reliable performance, reasonable design, convenient operation, high efficiency characteristics.
制砂设备价格具有性能可靠、设计合理、操作方便、工作效率高等特点。
Blasting ring cooler, which is mainly used in cooling sinter, is widely adopted in steel manufacturing industry because of its good properties such as high efficiency, compact structure and so on.
鼓风环式冷却机主要用于烧结矿料的冷却，因其具有冷却效率高、结构紧凑等优点广泛应用于钢铁制造行业中。
Based on the dynamics analytical method of efficiency stress, the reciprocity of saturation soil and its structure in the blasting load is analyzed.
基于有效应力动力分析法，对爆炸荷载作用下饱和土与地下建筑结构相互作用的特性进行了分析。
Introduced the principle, application efficiency and influence factor of orientation fracture blasting technology.
介绍了定向断裂爆破技术的原理，应用效果及其影响因素。
The method can adjust the blasting process , including reducing the climax pressure , prolonging the time of blasting action , minishing the shatter area and improving the utilizing efficiency.
这种爆破技术能很好地调节爆破过程，降低爆破峰值压力，延长爆破作用时间，减小粉碎区的形成，提高爆破能量利用率。
The efficiency of Control Blasting Technology was analyzed by the method of complex evaluation in theory of the fuzzy mathematics.
应用模糊综合评价方法对施工中控制爆破效果进行了综合评价。
Using drilling-and-blasting method and convenient highway transportation for afforestation on two sides of highway in mountain area, the efficiency of large-scale afforestation can be greatly raised.
利用钻孔爆破方法和公路运输的便利条件在山区公路两侧植树造林，能够大大提高大规模造林的效率。
City. 3 the efficiency of Control Blasting Technology was analyzed by the method of complex evaluation in theory of the fuzzy mathematics.
应用模糊综合评价方法对施工中控制爆破效果进行了综合评价。
City. 3 the efficiency of Control Blasting Technology was analyzed by the method of complex evaluation in theory of the fuzzy mathematics.
应用模糊综合评价方法对施工中控制爆破效果进行了综合评价。
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