| 1. | Colloidal particles are formed in considerable amounts in hard-rock drilling and blasting operation .
在硬岩石钻孔和爆破作业中，大量地生成胶体粒子。 |
| 2. | Discussion on the application of the water - stem in the blasting operation
浅析水炮泥在爆破作业中的应用 |
| 3. | Protective clothing for abrasive blasting operations using granular abrasives
使用颗粒磨料的磨料爆炸操作用防护服 |
| 4. | Drilling and blasting operation
打眼放炮工作 |
| 5. | Protective clothing for abrasive blasting operations using granular abrasives
小颗粒研磨产生摩擦引爆操作时用的防护服 |
| 6. | Exhaust systems - abrasive blasting operations - ventilation and safe practices for fixed location enclosures
排风系统.喷砂操作.固定位置通风和安全实施规程 |
| 7. | To lower blasted boulder yield is one of the most important technical considerations in deep - hole blasting operations of mine
摘要降低深孔爆破落矿大块率是矿山凿岩中的一个重要课题。 |
| 8. | Some measures for reducing the rate of large boulder in bench blasting of open - pit are introduced in combination with bench blasting operation , dealing with blasting parameter , blasting materials etc . in yunfu pyrite mine
摘要结合云浮硫铁矿台阶爆破生产实践，从影响爆破作用的爆破参数和爆破材料等因素出发，介绍了降低台阶爆破大块率的几种途径。 |
| 9. | The influence of specific charge , hole arrangement , charge structure , stem length , millisecond interval and ignition mode on the yield of the blasted boulder is analyzed some measures to lower boulder yield in deep hole blasting of underground mine are presented through the optimization of blasting operation parameters as follows : lowering deep hole blasting effect of geology structure , rationally determining specific charge , using technique of wide - space small burden blasting , technique of manifold charge structure and technique of millisecond compression blasting , strengthening the management of boring construction and blasting construction
该优化技术措施主要有：减少地质构造对深孔落矿的影响，合理确定炸药单耗的方法，使用大孔距小抵抗线落矿技术，采用多种装药结构技术，采用多排微差起爆技术，加强深孔的施工管理和加强爆破施工的现场管理。 |
