查询词典 stope
- 与 stope 相关的网络例句 [注:此内容来源于网络,仅供参考]
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At the same time, it first uses hydromechanical coupling theory to analyze the influence of groundwater during disposal, and contributes to promote further study of abandoned stope disposal.
同时,在采空场处理研究领域,首次运用渗流应力耦合理论分析了地下渗流对采空场处理的影响,为深入开展采空场处理研究发挥了重要作用。
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The blast of sublevel caving together with the blast of undercutting, crater opening and slot cutting are brought about successfully at same time in the practice of sublevel drilling and stope mining with nonelectric blast ignition system, and the productivity of mining is increased.
在分段凿岩阶段矿房法回采实践中,用非电导爆管雷管起爆系统成功地实现了阶段落矿爆破与拉底、辟漏、切槽爆破一次同步进行,提高了生产效率。
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The blast of sublevel caving together with the blast of undercutting, crater opening and slot cutting are brought about successfully at same time in the practice of sublevel drilling and stope mining with nonelectric blast ignition system, and the product
在分段凿岩阶段矿房法回采实践中,用非电导爆管雷管起爆系统成功地实现了阶段落矿爆破与拉底、辟漏、切槽爆破一次同步进行,提高了生产效率。
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The mining practice in Tongshan Copper Mine shows that the method of sublevel open stoping with subsequent once-filling and removing with blasting power is more suitable to mine inclined or gently inclined medium-thick deposits with high sulfur. This method can be used to reach the prepurpose including decreasing ore loss and dilution rates, reducing the quantity of mining works and raising the productivity of a stope.
铜山铜矿的开采实践表明,对于倾斜、缓倾斜中厚高硫矿床采矿方法的选择是至关重要的;根据其复杂多变的地质条件及国内外开采状况,提出选用爆力运搬分段空场嗣后一次充填采矿法较为适宜,该法可以达到降低损失贫化率,减少采准工程量,提高采场生产能力的预期目的。
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The trial results show that with the disposal of induced caving roof by presplitting blasting and induced caving roof blasting, about 17.8 m in thickness of rock cushion is successfully formed in the inferior abandoned stope, which can bring down the harm of dashing blast of an explosion caused by roof collapse; apparent run-through flaws arise between presplitting blasting holes, and controllable caving is formed in the roof, abrupt collapse of large area roof is prevented, the productional safe surroundings of underground mining is improved; eventually, the resources' reclamation rate is improved from about 70% to 84.6%, and the dilution rate is abated from 25%40% to below 15%, so efficiently withdrawing is actualized.
试验结果表明:采用预裂爆破与诱导崩顶爆破的方法,通过对顶板的诱导崩落处理,成功地在下方采空区形成了厚度为17.8 m左右的岩石缓冲垫层,有效地降低顶板冒落带来的冲击气浪危害;在预裂孔间产生明显的贯通裂隙,从而在顶板上形成诱导可控崩落,防止顶板大面积的突然垮落,改善地下开采安全生产环境;最终资源的回收率由70%左右提高到84.6%,贫化率由25%~40%降低到15%以下,实现了资源的高效回收。
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That perches in the soul and sings the elegy without the words,and never stope.
&失落的痛苦&是个有羽毛的东西。它栖息在灵魂之中,唱着无词的悲歌,永远不会停息。
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The ore fragmentation has a direct influence on the configuration of stope bottom, the selection of loading and handling equipment, secondary crushing method, the estimation of explosive consumption and so on.
矿石的崩落块度直接影响采场的底部结构设计、出矿设备的选择、二次破碎、炸药消耗的估算等。
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Due to this technology required quantitative ore feed with stable density and nice continuity,the small sized dredge together with large sized agitation tank were employed to stope the tailing achieving excellent effect.
综述了老柞山金矿尾矿库尾矿堆存及回收有价矿物试验情况;根据浮选工艺特点及技术要求,供矿量、供矿连续性及供矿浓度的稳定是保证生产正常进行的必要条件,选择了小型采砂船与大型搅拌槽相配置的联合回采工艺,并对回采工艺特点及应用效果作了扼要介绍。
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According to the investigation of the rule of air flow at the stope, and applying the Technical method of the equal press fire prevention and pouring sand plasma, the author analyzed the feasibility of the exploitation under the fire area, and demonstrated it with examples.
通过对采场风流流动规律的研究,找出火区漏风源和漏风汇;应用均压防火和注浆堵漏技术措施,对火区下开采技术的可行性进行了系统分析,并举出成功实例加以论证。
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In orde to obtain system optimization in high efficiency production and operation safety, the microcosmic problem of goaf treatment was brought into the creative design of mining method and the synergism of two problems was studied. Firstly, in view of the occurrence characteristics and mining conditions of catacalstic ore section of orebody No. 105 in Gaofeng mine in Guangxi province, considering the adaptability to different scale goafs in the ore section, based on mining environment reconstructing idea and continuous mining mode, a new mining method (mining environment reconstructing non-pillar sublevel-strip continuous mining method) was put forward. Then, some repr, esentative goafs were selected and their stabilities were calculated by discrete element method on the basis of differences of goaf scale, surrounding conditions and situ stress field. At last, the mining layout was adjusted on the basis of goafs stability analysis and the goafs were adjusted as a part of cutting engineering, blasting space or stope, so as to determine all kinds of goafs treatment schemes.
摘 要:为在生产高效和作业安全上取得系统整体最优,将碎裂矿段的空区处理微观问题纳入采矿方法创新设计宏观问题中,开展2种问题的协同研究:首先,针对广西高峰矿105号矿体碎裂矿段的赋存特点和开采技术条件,考虑对各种规模空区适应性,基于采矿环境再造和连续采矿理论,提出采矿环境再造无底柱分段分条连续采矿法;然后,根据采空区规模、围岩状况和原岩应力场等条件的差异,在所有采空区中选择具有代表性的空区,运用离散元程序对其稳定性进行计算分析;最后,在稳定性分析的基础上,灵活调整开采布局,将采空区调整为部分切割工程、自由爆破空间或采场,从而确定出各种规模空区的处理方案。
- 推荐网络例句
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This one mode pays close attention to network credence foundation of the businessman very much.
这一模式非常关注商人的网络信用基础。
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Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.
扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。
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There is no differences of cell proliferation vitality between labeled and unlabeled NSCs.
双标记神经干细胞的增殖、分化活力与未标记神经干细胞相比无改变。