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 approaches the excavating dynamic behavlour and support design for a large cavern in Nanfen Iron Mine using finite element method.
针对南芬铁矿地下硐室开挖与支护设计，采用有限元分析研究大跨度地下硐室施工的动态力学效应。
It will be a short time for Nanfen open-pit iron mine to mine in the third stage. The mine should be engaged on deep part mining design at once.
南芬铁矿目前正在进行的三期境界开采的服务年限已经不长了，矿山需要马上着手进行下期深部开采设计。
The present status of the production in Nanfen concentrator, Ben Steel and its research and practice of Silicon reduction and iron increase technology are described.
介绍了本钢南芬选矿厂的生产现状及其降硅提铁工艺研究和实践。
Several suggestions are made on the beneficiation of hematite ores in Nanfen region in combination with the progress in current domestic beneficiation technology for hematite ores.
结合目前国内赤铁矿选矿技术的进展，提出了对该地区赤铁矿选矿的几点建议。
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。
This signal decomposition and rebuilding algorithm was used in processing the blast - caused seismic signal noise of Nanfen Iron Open - pit Mine, which achieved good noise subtracting effect.
利用这种信号的分解与重构算法在南芬露天矿爆破地震信号噪声处理中，取得较好去噪效果。
The paper discusses the employment situation of big excavator in domestic mine, big excavator in Benxi Steel Nanfen opencast mine is made for example to illustrate its action in mine production.
主要讨论了大型挖掘机在我国矿山上的使用情况，以本钢南芬露天矿的大型挖掘机为例说明其在矿山生产中发挥的作用。
The paper discusses the employment situation of big excavator in domestic mine, big excavator in Benxi Steel Nanfen opencast mine is made for example to illustrate its action in mine production.
主要讨论了大型挖掘机在我国矿山上的使用情况，以本钢南芬露天矿的大型挖掘机为例说明其在矿山生产中发挥的作用。
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