It is indicated that using the grade 2 coal mining permissible water-gel explosive at condign work face are provided with better blasting results and higher safety, and the arrangement of combining big cutting-borehole with small rest borehole can attain better blasting efficiency and smooth basting result.
试验表明：在条件允许的工作面使用煤矿许用二级水胶炸药具有较优的爆破效果和较高的安全性：采用大直径掏槽炮眼和小直径其它炮眼相结合的炮眼布置形式，可达到较好爆破效率和光爆效果。
And it analyzed blasting maximum explosive single sound detonator quantity of the old dam demolition whether can meet the requirements of the safety operation of the dam and put forward the related proposals.
分析设计所提供的老坝拆除爆破最大单响药量是否满足坝体安全运行要求，并提出相关建议。
The perforator for oil-gas increases the blasting height between the explosive charge and pipe walls of the gun body perforation part, boasting high safety, reliability and low cost.
该油气井射孔装置增大了射孔弹与枪身射孔部位管壁间的炸高，具有安全可靠、密封性好及成本低的特点。
The wireless control blasting machine synchronous excitation will be directly related to the quality of seismic reflection echo receiving accuracy and seismic data, meanwhile, the reliability of data transmission will not only relates to the explosive material waste, but also relates to personal safety.
此时对于无线控制下爆炸机的同步激发将直接关系到地层反射回波接收时刻的准确性和地震资料的质量，同时数据传输中的可靠性将不仅涉及到炸药等物质的浪费，更涉及到人身安全。
The calculation of explosive charge, dynamite-bags allocation plus its depth sinking into water, the disposal of water-proof, blasting network and safety defending measure were introduced.
论述了水压爆破药量的计算、药包布置、药包入水深度与安放、炸药的防水处理、爆破网路及起爆方式、安全防护等技术措施。
Under the circumstances of competent safety measures and good labour organization, this processing method is feasible and able to meet the requirements of large explosive-consumed chamber blasting projects with its high production and lower cost.
若安全措施得力，劳动组织严密，这种加工方法是可行的，且生产效率高，成本低，可满足炸药用量大的调空爆破工程的需要。
Taking practical activities as examples, the blasting parameters, exclusive-pot expansion process and execution safety of explosive-pot technology used for blasting work in quarry are explained.
结合工程实例介绍了利用药壶爆破法爆破石料的爆破参数、扩壶工艺、施工安全等，可为类似工程提供较有价值的参考。
The directional collapse blasting program, blasting parameters, firing network, blasting safety and protective measures of explosive demolishing an 8 storey building near by urban vital traffic line are introduced.
介绍一座位于城市中心交通主干道近旁的八层住宅楼，其拆除爆破中所采用的定向坍塌爆破方案，爆破参数，爆破网络和爆破安全与防范措施。
In blasting engineering, it is necessary to choice suitable initiating materials and to use them properly for all explosive charges in order to achieve our predicting aim with safety, accuracy, and reliability.
在爆破工程中，任何装药都必须采用一定的起爆器材和相应的起爆方法，使装药安全、准确而可靠地爆炸，以达到爆破的目的。
Finally, safety distance against shock wave, blasting vibration, noise and blasting flyrock was decided with main consideration on controlling the weight of charging explosive per delay interval and blasting distance.
另外，还提出了硐口悬挂3层麻袋、堵塞炮泥和控制起爆网络中段间微差等安全措施，并对有害效应进行评估，其结果对后续爆破设计和施工具有实用价值和指导意义。
A new advanced blasting technique in China, delay in hole and sequence out hole blasting technique, was adopted in underwater blasting excavation of guide ditch ahead of water conveyance tunnel at Xiaowan Hydropower Station, thereby the controlling aim of high explosive rate and low single dynamite weight was achieved, the maximal particle vibration velocity was controlled in allowable range, guaranteed the safety of Cofferdam and rock dam and entrance water tower and so on, provided powerful guarantee for the successful guide water of the guide tunnel.
小湾水电站导流隧洞进口围堰堰外引渠水下爆破开挖采用了目前国内较为先进的孔内延时，孔外微差的爆破技术，整个爆破区分为多段起爆，从而达到高单耗，低单响药量的控制目的，将质点的最大振动速度控制在允许范围内，有效保证了围堰、围堰岩埂灌浆帷幕区及进水塔等建筑物的安全，为导流隧洞顺利导流提供了保证。