查询词典 iron mine

In combination with the blasting practice at Nanfen Open pit Iron Mine,research was made on utilizing advanced testing instrument in the main adit to supervise the open pit longhole blasting. The related data of adit blasting vibration were analyzed sysmatically and a blasting vibration formula suitable for the geological conditions of the mine was given so as to provide the mine blasting design with scientific basis.

结合南芬露天铁矿生产爆破实际，研究了利用先进的测试仪器在主平硐内对露天深孔爆破进行监测，并对平硐爆破振动的有关数据进行了系统的分析，提出了适用于该矿地质条件下的爆破振动公式，为矿山的爆破设计提供了科学的依据。

At the same time, a computer aided ore drawing control system for the block caving of Chengchao Iron Mine is developed. This may promote the management level of block caving and finally increase economic benefit of the mine.

同时，开发了程潮铁矿矿块崩落法放矿计算机辅助管理系统，该系统可以提高矿块崩落法放矿的现代化管理水平，提高矿山企业的经济效益。

With regard to the by stages and by divisions mining characteristics in Nanfen Open Pit Iron Mine,we integrated the stripping of different stages and divisions with one another, and adjusted the elevation of haulageway,built short distance,low level haulageway,thus lowering the consumption of fuel on trucks,reducing the operation cost of the mine,resulting in favourable economine benefit.

针对南芬露天铁矿多分期多分区开采的特点，把不同分期分区的剥岩相结合，适时调整出入沟标高，建立近距离低标高运输通路，降低矿车的柴油消耗，避免追加矿山运营费用，经济效益可观，在同类矿山发展中有一定的参考价值。

Since recent era, the input of western ironwork shocked the development of handicraft making iron industry. On the other hand, it promoted to exploit and smelt iron mine by using machine and established foundation for modern iron mine industry.

近代以来，西方铁制品的输入，一方面打击了山西境内手工业制铁业的发展，另一方面也促使其向机器开采、冶炼的发展，为现代铁矿业奠定了基础。

Iron mine resource enriches,has "abnormal area of maximal world iron mine area Kursk magnetic force".

俄罗斯铁矿资源相当丰富，有世界最大的铁矿区—库尔斯克"磁力异常区"。

ABSTRACT Sublevel caving method is a high efficiency mining method for underground mine, it has many advantages, such as a simple mine stope, good work condition, high mechanization and low mining cost. Up to now, this method has been used in more than 85 percent of all underground iron mine.

无底柱分段崩落法是一种高效率的采矿方法，具有采场结构简单，作业条件好，机械化程度高，回采强度大，采矿成本低等优点，迄今应用该采矿方法采出的矿石量约占我国地下铁矿采出矿石总量的85％。

The removal of silica to produce pure iron concentrates is a dominant way for iron-ore dressing at present. In order to solve the problems, such as bad selectivity, sticky bubbles, weak collectability at low temperature by using fatty amines to fulfil the reverse flotation of iron ore in a iron Mine in AnShan.

提铁降硅生产高纯铁精矿是当今铁矿选矿的主导发展方向，为解决鞍钢某铁矿使用常规脂肪胺类阳离子反浮选工艺存在的选择性较差、浮选泡沫粘度大，以及矿浆需要加温等实际问题，本文围绕开发或寻找新型高效阳离子反浮选药剂进行了系统的试验研究。

Because Zhaokou mine of Jinling iron mine of Shandong make use of strata pressure controlling theory to do reasonable dividing for declinate ore body room and pillar ,the calculated recovery ratio η is up to 73 6% and maintaining the stability of mining field at the same time.

山东金岭铁矿召口分矿运用地压控制理论，对倾斜矿体房柱进行合理划分，计算回采率η达73。

The burnability of raw materials, which utilized iron-mine tailings instead of iron powder to proportion raw material was better at the same modulus-value. It reduces the sintering temperature of clinker by thirty degrees centigrade. The performance of clinker was better than the one that used iron powder to proportion raw material.

利用南京梅山矿业有限公司铁矿精选后的综合铁尾矿代替铁粉配制水泥生料，在相同率值条件下，综合铁尾矿配制的生料易烧性好，它可降低熟料烧成温度约30℃，烧成的熟料性能优于铁粉配料的。

Depending on different conditions of hydrological geology,Jingling Iron Mine has adopted different methods of controlling underground water such as unwatering,integrated controlling,etc.to control the underground water of mine for many years,the favorable effects of safe production and protecting grand water resources are realized.

多年来，山东金岭铁矿根据不同的水文地质条件分别采取疏干治水、综合治水等方法治理矿山地下水，实现了安全生产及保护地下水资源的良好治水效果。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。