Conclusion the risk factors especially dust exposure affect the health and lifespan of the iron mine workers.
结论以粉尘为主的职业有害因素明显影响铁矿工人健康和寿命。
The reasonable delay time of blast in the iron mine has been discussed tentatively with the gray-scale map invented by Anderson d.
用安德逊的灰度图对该矿爆破的合理微差时间作了初步探讨。
After the roadway was excavated, the destruction of supporting roadway is very severe. The deformation of roadway is no convergence deformation; and the iron mine is difficult support mine.
进路开挖以后支护巷道破坏严重，其围岩变形为无收敛变形，也是国内支护较难的矿山之一。
In this paper, the geological condition of the chute in the iron mine is discussed, the design program for forming the chute by blasting is also introduced, and the blasting effectiveness is analyzed.
峨口铁矿为了解决东区采场的矿石出路问题，决定增建两条放矿明溜槽。本文简述了溜槽工程地质概况，详细介绍了溜槽的爆破成形设计方案，分析了爆破效果。
It does not cost much to scrape it up, and the expense comes in moving costs from mine to market. Even so, Australia can produce iron ore for $25 a tonne.
开采成本本身不高，而且外部投资正在将成本从矿山转移到市场。即便如此，澳大利亚可以以每吨25澳元的价格成本生产铁矿石。
The effectiveness of this strategy was demonstrated most spectacularly in the February 2006 attack on an iron-ore mine in Bacheli, 10 km from Gumiyapal.
2006年2月份的巴切里铁矿袭击充分展示了这种策略的有效性。铁矿距离古米亚·帕尔村10公里外。
The geophysicists went on to conduct a second test in an abandoned copper mine in Arizona, using 25 iron plates spaced at various intervals in tunnels up to 45 metres below ground.
地球物理学家又在亚利桑那州一个废弃的铜矿矿井进行了第二次试验，他们将25块铁板有间隔的放置在地下45米出的坑道中。
The first iron ore, from a mine run by Luxembourg-based ArcelorMittal, is due in mid-2011.
卢森堡的安赛乐米塔尔经营的矿，它出产的第一批铁矿石是在2011年中完成。
A big iron mine in the district employs mainly outsiders and pollutes a river.
当地的一个大型铁矿雇用的大都是外国人，而且还污染了一条河流。
Anybody who sits down with a spreadsheet will quickly wind up questioning whether the risk-adjusted returns on a Sierra Leone or Guinea startup iron-ore mine are really better.
凡是坐下来看试算表的家伙，立马收起了对塞拉利昂或者几内亚铁矿是否真是更好风险调整回报的疑问。
The rains also prompted the temporary closure of a railway that takes iron ore from the sprawling Carajas mine in the neighbouring jungle state of Para.
从卡拉加斯大铁矿运输铁矿石到邻近的热带雨林帕拉州的铁路也因为暴雨暂时关闭。
Before it lay a smoking iron-mine in a field of uprooted trees, which the giant miners had torn up in their search for iron nuggets.
城墙前面的树被连根拔起，底下是冒着烟的铁矿，被巨人们挖开了寻找铁块的。
The South Korean mill earlier this year agreed to buy as much as 15 percent of the Roy Hill iron ore project in Australia and a 7.8 percent stake in a coal mine in Mozambique.
今年年初，Posco同意购买澳大利亚RoyHill铁矿石项目15%的股份，并且在墨尔本的一家煤矿中也占有7.8%的股份。
The practical benefit and feasibility of the computer-controlled truck dispatching system in Qidashan Iron Mine is analysed with the simulation results of the real-time dispatching models developed.
利用研制的实时调度模型的模拟结果，分析了计算机控制卡车调度系统在齐大山铁矿的应用效益及其可行性。
The mine, according to the Financial Times, could produce as much as 70 million tons of iron ore a year.
金融时报称，这个矿的年产量可达7000万吨。
The results of research and tests conducted at Daye Iron Mine and Nanfen Iron Mine for many years show the superiorities of increasing explosive density, loading density and volume strength.
根据多年来在大冶铁矿和南芬铁矿等地试验研究的结果，说明了提高炸药密度、装药密度和体积威力的优越性。
The study in Jianshan Iron Ore Mine of how to keep stable quality of raw ore and the technical measures for ensuring ore quality are explained.
介绍了尖山铁矿稳定输出原矿质量的技术研究过程，并阐述了稳定输出原矿质量的技术措施。
One of the best-intact iron mine sites, now destroyed.
其中最完整的钢铁矿址，现在被摧毁。
After applying to Chengchao Iron Mine, it proves that the studying method with corresponding program is reliable.
在程潮铁矿的应用表明，该研究方法和相应程序是可靠的。
This paper analyses the problem of the technological flowsheet for concentractor, Er-fengshan Iron Mine, and obtain obvious economical profit by improving technology to increase metal recovery.
分析了二峰山铁矿选矿厂工艺流程存在的问题，并通过技术改造提高金属回收率，取得了显著的经济效益。
When Babe needed new shoes, the blacksmith had to open a new iron mine in Minnesota.
贝贝需要钉掌时，铁匠就得在明尼苏达新开一座铁矿。
At the meeting, Zhuzhuang mine, Tongting ore, iron ore transportation office and made Qinan Experience.
会上，朱庄矿、童亭矿、铁运处和祁南矿做了经验介绍。
Based on the peculiarity of deep exploiting in Xishimen Iron Mine, the principle and main affecting factors to select drainage scheme for deep exploiting are stated.
针对西石门铁矿深部开采的特点，论述了该矿山深部开采疏干方案选择的原则和主要影响因素。
This paper finds out the factors which affected the mine loss and dilution through investigation to the three subsection in Chengchao iron mine.
通过对程湖铁矿三个分段生产情况的调查，找出影响程潮铁矿矿石损失贫化指标的因素。
This paper describes the tests and applications of GPS-900-3 high frequency Fine vibro-screen in Miyun Iron Mine, the Capital Iron and Steel Company.
本文介绍GPS- 900 -3型高频振动细筛在首钢密云铁矿选厂的试验结果和应用情况。
By using a numerical mould of the groundwater system the relation ship between the mine-water discharge of Dianzi Iron mine and Dawu water supply source has been studied in this paper.
本文通过建立地下水系统的数值模型来研究处在同一系统内的店子铁矿矿坑排水和大武水源地供水之间的关系。
By using a numerical mould of the groundwater system the relation ship between the mine-water discharge of Dianzi Iron mine and Dawu water supply source has been studied in this paper.
本文通过建立地下水系统的数值模型来研究处在同一系统内的店子铁矿矿坑排水和大武水源地供水之间的关系。
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