vale sa, the world’s largest iron- ore producer, said second-quarter profit rose more than fourfold because of surging prices for the steelmaking raw material.
iron ore prices are important to the profitability of two of the world「s largest heavy industries, the mining and steelmaking sectors.
铁矿石价格对采矿业和钢铁制造业这两大全球重工业的盈利能力至关重要。
this article briefly introduces the development of using coal in steelmaking and oxygen-coal steelmaking.
本文简要介绍炼钢用煤技术和煤氧炼钢发展的概况。
the effect of different steelmaking processes on mechanical properties of steel, especially on impact toughness of steel for drill color has been studied.
研究了冶炼工艺对钢力学性能的影响,特别是对鉆铤用钢沖击性能的影响。
the oxygen steelmaking process, for example, was developed in austria, but nagano and his colleagues were quicker to appreciate its quality and cost-saving features than their western rivals were.
the trick he learned there was to move into steelmaking using imported direct-reduced iron (dri) pellets instead of more expensive scrap or imported steel billets.
and heavy industry such as steelmaking continues to grow, says rui susheng, the director of the china coal society, despite the government」s attempts to curb it.
the recovery quantity of converter gas got increased in semisteel steelmaking process by means of optimizing oxygen feeding, improving operation level, reforming gas recovery system.
but lead can also come from other sources such as smelters, the iron and steelmaking industry, and aircraft fuel.
但是,铅也可以来自其他方面,如冶炼厂,铁和炼钢业,航空燃料。
goldman joins morgan stanley, nomura holdings inc. and royal bank of scotland group plc in raising forecasts for iron ore prices this month after cash prices for the steelmaking raw material jumped.