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- And the solutions in boulder are proposed Which have good references to improving blasting effeCt for open mine. 对露天矿爆破及改善爆破效果有一定的参考价值。
- The blasting effect was checking using sight instrument, electromagnetic emission (EME) technique and drilling sludge methods. 采用矿用钻孔窥视仪并配合电磁辐射法和钻屑法对爆破进行了效果检验。
- The blasting effects of the intense cold on the budding fruit. 严寒对生长中的水果的毁灭性影响。
- So that designations and construction method of chamber blasting of phyllite are introduced,it obtained good blasting effect in this paper. 鉴于此,本文介绍一种千枚岩硐室爆破的设计和施工方法,取得了较好的爆破效果。
- Researchful situation of rock blasting damnification and influencing on original damnification for blasting effect is analyzed in macro-microaspect. 从宏观和微观两个方面分析了岩石爆破损伤的研究现状,同时分析了岩体初始损伤对爆破作用影响的研究现状。
- This paper builds evaluating graymodel using gray system theory: evaluates the blasting effect in surface miningusing the model. 本文运用灰色系统理论建立了评价灰色模型，并应用该模型来评价露采爆破效果。
- The results show that the blasting effect is excellent and the cost of secondary blasting is greatly reduced when using hole-bottom priming. 试验结果表明:实施孔底起爆,爆破效果良好,降低了二次破碎成本,具有推广价值。
- The calculation result shows that the factors that influence the blasting effect are as follows: the speed of lengthwise rock,average space of joint and the maximal... 计算结果表明,影响爆破效果的主要因素依次是:岩石纵波波速、平均节理间距、最大节理间距。
- In deep open-pit mine the gutter works for a new level is the emphasis and difficulty.The working schedule and quality are influenced by the blasting effect. 深凹露天采场中,新水平掘沟工程是采矿生产的重点、难点,爆破效果的好坏又直接影响掘沟工程的进度和质量。
- The blast effect of fireworks and firecrackers is decided by pyrotechnic compositions' produced gas velocity, energy utilized ratio and burned ratio. 烟火剂的产气速率、能量利用率和烧成率是决定烟花爆竹爆炸效果的主要因素。
- With one-dimension stress wave theory,the principle ofinfluence of soft stratum on blasting effect taler a comparatively simple geological condition is explained in the paper . 本文就一种较简单的地质条件，用一维应力波理论，解释了软弱带对爆破效应的影响原理。
- The position of the initiation point determines the propagation direction of detonating wave in charge, and therefore influences the detonation load and blasting effect. 起爆点位置决定了爆轰波在装药中的传播方向，从而影响爆炸荷载和爆破效果。
- A three-dimensional computational study of blast effect on traveling projectile of tandem warhead has been performed using finite element programme of LS-DYNA. 利用有限元软件对破爆型串联战斗部第一级装药爆轰对第二级随进子弹影响结果进行了数值模拟。
- The publishing of pictures has the blast effect like the nuclear detonation does.The new media promoted idea photography, so who will pay attention to the tranquil life? 网络又使千里之外的人及时面对面，令图片的发布如同原子弹爆炸有着冲击波效应，新媒体的产生带动了观念摄影的兴起，有谁还会去关注那平静的生活？
- The blasting effect of this project prove that long hole loose millisecond controlled blasting is a new technology extraordinarily suitable for rock excavation,and worth to be widely spread. 该工程的爆破效果有力地证明了深孔松动微差控制爆破技术是非常适合岩石开挖工程的一门新技术,值得推广。
- Abstract: The application of cut blasting of the middle of the stope in Ekou iro n mine was introduced, a set of practical blasting parameters were achieved and good blasting effect was obtained. 文摘:介绍了采场中部掏槽爆破在峨口铁矿的应用，并得出了一组切合实际的爆破参数，取得了较好的爆破效果。
- Abstract: The cause for blasting toes in open stope of Tiegukeng mine was analyzed, the corresponding modification measures were proposed and the blasting effect of the stope were improved. 文摘:对铁古坑矿露天采场爆破产生根底的原因进行了分析研究,提出了相应的改进措施,使采场爆破效果得到了改善。
- The technology could greatly improve blasting effect and efficiency,dramatically reduce blasting vibration,secure the safety use of side drift and slide in its service time and facilitate the protection of the stability of high and steep slope. 爆破降震效果明显,可确保平硐溜井在服务期内的安全使用,有利于保护采场高陡边坡的稳定。
- It's important to ensure adequate stiffness to resist lateral forces induced by wind, or seismic or blast effects. 保证足够刚度以抵抗风，地震或爆炸气浪效应所引起的横向力是很重要的。
- Tests were performed to obtain an optimium blasting method suitable for Yiyang Mine, the blasting effectiveness is satisfactory. 通过工业试验,得出适合宜阳矿最佳爆破方法,取得较好的爆破效果。
