But eventually, the black hole consumes enough of the dust that the powerful and brilliant particle jets blasting out from its poles can break into the open.
但最终黑洞吸引到足量的尘埃之后,会从两极释放出强大而耀眼的粒子束,被尘埃遮蔽的一切都公之于众。
Open-pit mining follows the same sequence of oprations as underground mining: drilling, blasting, and loading and removing waste and ore.
露天采矿遵循与地下采矿相同的作业顺序:钻孔、爆破、装载并运走废料和矿石。
Open-pit mining follows the same sequence of operations as underground mining: drilling, blasting, and loading and removing waste and ore.
露天采矿遵循与地下采矿相同的作业顺序:钻孔、爆破、装载并运走废料和矿石。
Finally, opening the flood diversion work's gate is through blasting or manpower, and the open order influences the discharge and elevation of water in main river.
最后是行洪区得两个口门一般是通过爆破或人工扒口打开,其开启顺序对干流河道水位、流量情况也有一定影响。
A method of buffer blasting used in the open pit is presented in this paper.
本文主要介绍了目前露天矿山开采使用的“压碴爆破”方法。
The effect of the blasting of production on main transported adit was analyzed at Nanfen Iron Open-pit Mine.
分析了南芬露天铁矿生产爆破对主运输平硐的影响。
This paper analyses problems concerning the conventional continuous loading structure in open mining deep borehole blasting.
本文分析了露天矿深孔爆破长期沿用的连续装药结构存在的问题。
This paper introduces application of the hole-by-hole initiating technique, aimed at reducing blasting vibration, in Jinduicheng Open-Pit Mine.
介绍了以降低爆破震动为主要目标的逐孔爆破技术在金堆城露天矿的应用。
In the light of its practical production, the monitoring method and results of deep hole blasting vibration in Wulongquan Open pit are expounded.
结合乌龙泉露天矿的生产实际,阐述了该矿深孔爆破震动的测试方法和测定结果。
The selection of open chamber blasting parameters in our mine has been introduced for communion and improving the technology of open chamber blasting.
通过对本矿露天矿山硐室爆破参数选择介绍,达到相互交流,进一步提高露天硐室爆破技术的目的。
Slungshot occurring is a potentially dangerous factor in blasting project in the open air.
飞石是露天爆破工程中严重的潜在事故因素。
To improve the stability of open pit slopes, the research trials of controlling blasting near the final open pit slopes have been discussed.
为保证露天矿边坡稳定性,重点进行了临近边坡的控制爆破试验研究。
During open coal mining, short-distance deep-hole blasting brings tremor to nearby constructions.
在露天煤矿开采中,近距离的深孔爆破对于邻近单位建筑物会产生震动影响。
Besides some measures for reducing BYof borehole blasting application in open pits are provided here.
提出了露天矿深孔爆破中降低大块率的技术措施。给出了矿山应用的实例。
The calculation results and open-pit slope stability under blasting vibration influence are analyzed and appraised.
以计算结果为参照来分析、评价爆破震动对边坡稳定性的影响。
Abstract: The open-air explosion hazards are seismic effect, blasting individual flying rocks, blasting toxic gases, explosive air shock wave and noise hazards.
摘要:露天爆破的危害有爆破地震效应、爆破个别飞石、爆破有毒气体、爆炸空气冲击波和噪声等危害。
The open-air explosion hazards are seismic effect, blasting individual flying rocks, blasting toxic gases, explosive air shock wave and noise hazards.
露天爆破的危害有爆破地震效应、爆破个别飞石、爆破有毒气体、爆炸空气冲击波和噪声等危害。
According to a blasting project, this paper discusses the design and implementation of spring microsecond delay blasting in open mines in complicated circumstance.
本文结合工程实例,介绍了复杂环境条件下露天开采药壶微差爆破技术的设计与施工。
Controlled slope wall blasting plays key role in open pit mining.
边坡控制爆破在露天矿山起着至关重要的作用。
Flying rock accident accounts for a great ratio of blasting accidents in open stone pits, which poses serious threat to safe production in mining area.
在诸多露天采场爆破事故中,飞石事故占很大的比率,对矿区的安全生产构成了严重威胁。
The technical requirements adopted for open long-hole blasting and its insurance countermeasures were put forward by summarizing the blasting operation during exploiting the Tunqiu Mine of Liugang.
通过对柳钢屯秋矿开采中的爆破工作进行总结研究,提出采用露天开采深孔爆破的技术条件与安全保障措施。
The ordinary method of room-blasting is presented, and it is proved that room-blasting still has practical value to open pit provided it is reasonablely changed.
叙述了药室爆破的一般方法,并论述了通过合理改造,药室爆破在露天矿山生产中仍然具有实用价值。
Wall cutting and unloading is a task of top priority of comprehensive harness in the north slope of Jinduicheng open pit stope. The vibration by blasting influenced the stability of slope.
削坡减载是露天采场北部边帮综合治理的当务之急,在边坡上进行爆破作业产生震动,对边坡稳定有一定影响。
In step long-hole blasting in gently inclined open-mine, which mining along slope direction from top to bottom, the press from next step result great difficult in blasting work.
张店钢铁总厂湖田石矿为缓倾斜露天矿,在由上而下顺倾向采矿的缓倾斜台阶深孔爆破中,下一台阶对爆区有夹制作用,给爆破工作带来很大难度。
Drillers in this unit group operate mobile drilling machines to bore blast holes in open-pit mines and quarries and to bore holes for blasting and for building foundations at construction sites.
该项中的钻探工人操作移动钻孔机实施露天矿和采石场的钻孔爆破以及建筑工地的建筑物基础设施的爆破工作。
According to specific geological conditions of Jiujialu mine area, deep-hole blasting open-air stage is explored in this paper.
根据九架炉采区具体地质条件,进行露天台阶深孔爆破的实践探索。
The basic principle and design method on the hole by hole blasting technique are described, and the practical result of this technology in domestic open-pit mine are introduced.
介绍逐孔起爆技术的基本原理、设计方法以及逐孔起爆技术在露天矿山生产中的良好效果。
Blasting earthquake effect on slope stability of open-pit is an extremely obvious and complicated problem.
爆破地震效应对露天矿边坡稳定性影响是一个极其明显和复杂的问题。
The relationship between the pre-splitting, vibration reduction, millisecond blasting and the maximum single detonating charge in open deep-hole large stage is introduced.
主要介绍露天深孔大梯段预裂爆破、减震爆破、微差爆破、最大一次装药量的控制措施和关系。
The relationship between the pre-splitting, vibration reduction, millisecond blasting and the maximum single detonating charge in open deep-hole large stage is introduced.
主要介绍露天深孔大梯段预裂爆破、减震爆破、微差爆破、最大一次装药量的控制措施和关系。
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