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- The form and devel-opment of the blast hole cracking is t he main reason which leads to the effe ctive crush. 不同炮孔周围裂纹的适量产生与发展,是引起岩石有效破碎的真正原因。
- At the Garson Mine in the Sudbury basin, an instrumented test opening has been mined under a paste backfil1ed blast hole stope. 而在萨德伯里盆地的加森矿,已在采用深孔崩矿的膏体充填体下进行试采。
- Objective To invastigat the use of laparoscopic appendicectomy by three hole method. 目的探讨三孔法腹腔镜阑尾切除术的应用。
- Blact hole cxplesion in a confed condition within tunneling is analysized,a stage-by-stage blast hole design theory and the related paraameters are presentes. 对掘进中处于夹制情况下的炮孔爆破进行分析,提出炮眼分阶段设计的原理及有关的参数。
- Methods From September 1998 to now 898 patients perfomed by laparoscopic appendicectomy of none metal clip and three hole method were observed. 方法对1998年9月以来行三孔法电视腹腔镜阑尾切除术898例进行的临床观察。
- The study has sho wn that the deeper the blast holes, the longer the initiation delay time. 应用模型对掏槽微差起爆时间进行的优化研究表明,掏槽微差起爆时间与孔深成正比。
- Blasters in this unit group fill blast holes with explosives and detonate explosives to dislodge coal, ore and rock or to demolish structures. 爆破员用炸药填补爆破洞,然后引爆炸药提炼出煤炭,矿石和岩石或粉碎建筑物。
- The stemming length of blasting hole is an important bla sting parameter,directly related to the blasting results. 在爆破中,炮孔堵塞长度是一个重要的爆破参数,它直接关系到爆破效果。
- His strength in a crisis is an ace in the hole. 临危不惧是他的看家本领。
- The method seems good but it needs to be tried out. 这个方法似乎不错,但需要试验一下。
- By improving parameters of the blasting hole,the charge,charging structure and the priming order etc,the smooth blasting is formed. 通过改进爆破的孔网参数、装药量与装药结构、起爆顺序等,从而形成了光面爆破。
- To achieve high casting blast efficiency, technical parameters such as bench height, angles, diameters and patterns of blasting holes, priming method and delay time should be selected properly. 为取得较高的抛爆率,需要注意选择的技术条件包括台阶高度、炮孔角度、炮孔直径、布孔方式、起爆方式及延时选择等。
- Water Pump Flow-rate Calculation at Air-sealed Blast Hole 压气封口式炮孔排水泵流量计算
- The accordion was in full blast in the hall. 在大厅里手风琴拉得非常响亮。
- Application of Small-bore Deep Hole Method in Fankou Lead-zinc Mine 小直径深孔采矿法在凡口铅锌矿的应用
- Research into Optimum Length of Stemming in Blast Hole 炮孔合理填塞长度的研究
- Test for residual weld stress with little hole method 焊接残余应力的小孔法测试
- He chiseled a hole in the door to fit a new lock. 他在门上凿了个孔,以便装一把新锁。
- The Improvement of the Blast Hole of the Cold Water Roller 梭织烧毛机冷水辊筒进水头的改进
- The party was going on in full blast. 聚会进行得热闹非凡。