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- single hole blasting of once each time point 单孔单响
- Application of Millisecond Blasting Method for Single Hole Blasting of Once Each Time Point in Cutting Excavation 单孔单响微差起爆技术在路堑开挖中的应用
- APPLICATION OF BLASTING NET FOR SINGLE HOLE BLASTING OF ONCE EACH TIME POINT IN ROADBED WIDENING 单孔单响爆破网络在路基拓宽中的应用
- Weld identification single hole punch. 鉴别焊缝的单孔冲压机。
- Blasthole deflection is an severe adverse factor when mining is carried out using large diameter long hole blasting . 在大直径深孔采矿中 ,炮孔偏斜是非常不利的因素。
- The new method adopted roof presupporting,deep and medium hole blasting,LHD ore removal and tailings filling. 该采矿方法采用采场预控顶技术,中深孔爆破,铲运机出矿,尾砂充填。
- A supermassive black hole blasting is destroying everything in its path with a deadly beam of energy. 超大规模黑洞爆发产生的致命能量束能摧毁一切。
- Designed with single hole to allow you to sew a straight stitch on lightweight fabric without skipping stitches. 设计单一洞使你在轻织物上缝合平直缝针没有偏差。
- Linear charge blasting at the net of highway to Zhuhai aerodrome and the hole blasting at underground stope in Gaofen mining company have been design by the expressions. 按推导的计算式设计了珠海西区机场路垭口条形药包爆破和高峰矿业有限责任公司地下采场浅孔爆破。
- The influence factors of rock fracture weak face on cut hole blasting are analysed,suit-able hole distributing method based on fracture distribution is put foreward. 分析了岩体中裂隙弱面对掏槽孔爆破的影响因素,并根据裂隙的分布情况提出相应的布孔方法和原则,对岩巷掘进施工具有实际指导意义。
- Wiring: All lead wires are 18 AWG, 18 inches long and exit actuator housing through a single hole designed for 1/2" conduit fittings. 线路:所有导线是18AWG,18英寸长,并且穿过设计用于1/2"导线管的单孔引到执行机构外壳外。
- This paper used earthquake technology of shallow layer and measuring technology in single hole combining means of engineering geological A structure in Humin road . 利用浅层地震技术和深孔波速测试技术,结合工程地质勘察和地质钻孔资料对沪闵路高架桥工程场地作地基评价。
- The feasibility of middle_ deep hole blasting in roadway is discussed from present blasting apparatus, blasting technology and work way and the necessity of lifting excavation efficiency velocity and suitability. 从目前的爆破器材、破技术和作业方式等方面论述了平巷中深孔爆破的可行性,以及它对提高掘进工效、度,适应机械化作业线施工的必要性。
- All of those above had single holes in the end that overhung the trough below. 所有木槽一端,都有个洞位于下一根木槽端的上空。
- The paper analyse the mechanism of hole-bottom detonating and set forth the crushing mechanism of hole-bottom detonating in medium-length hole blasting decrease the production of big block ores. 分析了孔底起爆的作用机理,阐述了孔底起爆在上向扇形中深孔爆破中能降低大块产出的破碎机理;
- In this paper, designing and processing technique of a detonating cord of low initial capacity are presented. The detonating cord can satisfy the requirements for long hole blasting in mine. 介绍了一种低起爆能力导爆索的设计、性能及生产工艺。该产品克服了普通导爆索在露天爆破工程中的各种特殊环境和装药条件下的缺陷,能够满足矿山深孔爆破的要求。
- The SHM (single hole microblowing) as a new perturbation active control technique has been applied to the slender body with different model noses at zero sideslip and high angle of attack. 摘要在亚临界流动范围内,对具有不同头部形状的尖拱形细长旋成体在无侧滑大迎角下进行单孔位微吹气扰动控制实验。
- In order to improve the blasting and increase loading efficiencey as well as to decrease mining cost,it is important to study the optimization of pattern parameters in undergroud bore hole blasting. 地下矿山中深孔爆破孔网参数优化研究对于改善爆破效果、提高铲装效率、降低采矿成本至关重要。
- On the basis of the similarity theory, the local impingement heat transfer coefficient of a single hole impinging on a plate in a limited space was studied with constant heat flux methods. 摘要在相似理论指导下用恒热流方法研究了封闭空间内单孔冲击局部换热系数。
- In the impingement experiments, the spray were impinged on the wall using a single hole, spray kept on moving alone the wall, and vortex was observed as a result of gas resistance and wall friction. 油束撞击到平板受到平板的限制,形成壁面喷射,油束沿壁面运动,由于受到壁面上方空气的阻力而部分油束脱离平板形成“卷毡”现象,油束卷起的高度即壁面高度远小于壁面贯穿距离。